picture { display: contents; }
/* =============================================
   NGS · NASRA GEOSYN — DESIGN SYSTEM
   Aligned with NGS Brand Book v1.0 · 2026
   ============================================= */

:root {
  /* === BACKGROUND — lighter neutral, closer to white === */
  --bg-base: #FBFBFA;          /* near-white base */
  --bg-soft: #F5F6F4;          /* soft neutral panel */
  --bg-warm: #EFF2EE;          /* warm light panel */

  /* === NGS BRAND COLORS (from Brand Book §10) === */
  --deep-teal: #0E5B59;        /* PRIMARY — dominates ~60% */
  --teal: #147F7C;             /* support */
  --mid-teal: #2D9D9A;         /* support */
  --light-teal: #5DCAA5;       /* support */
  --pale-teal: #E1F5EE;        /* soft backgrounds */

  --bronze: #9C7B3F;           /* Heritage · Vision 2030 · certifications */
  --emerald: #16A34A;          /* SUSTAINABILITY CONTENT ONLY */
  --ink: #0B1F1E;              /* body text / deepest backgrounds */

  /* === Legacy aliases — map old vars to new brand colors === */
  --cloud-dancer: var(--bg-base);
  --cloud-dancer-soft: var(--bg-soft);
  --cloud-dancer-warm: var(--bg-warm);
  --ngs-deep: var(--deep-teal);
  --ngs-bright: var(--mid-teal);
  --ngs-light: var(--pale-teal);
  --ngs-dark-bg: #0A4B49;
  --ngs-bronze: var(--bronze);
  --ngs-emerald: var(--emerald);

  /* Text / UI */
  --ink-soft: #2C3A39;
  --muted: #5A6B6A;
  --muted-light: #8B9897;
  --border: #DCDFD9;
  --border-soft: #E8EBE5;
  --white: #FFFFFF;

  /* Spacing */
  --space-xs: .5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 5rem;

  /* === Typography — Brand Book §12 === */
  --font-display: 'Fraunces', 'Georgia', 'Times New Roman', serif;   /* Display: editorial serif */
  --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --font-arabic: 'Tajawal', 'IBM Plex Sans Arabic', sans-serif;

  /* Layout */
  --content-max: 1280px;
  --content-narrow: 920px;
  --nav-height: 92px;

  /* Transitions */
  --t-fast: .2s ease;
  --t-base: .3s ease;
  --t-slow: .5s ease;

  /* Shadows — softer for the new lighter palette */
  --shadow-soft: 0 2px 12px rgba(14, 91, 89, .05);
  --shadow-md: 0 8px 24px rgba(14, 91, 89, .07);
  --shadow-lg: 0 16px 48px rgba(14, 91, 89, .1);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--deep-teal); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--teal); }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  color: var(--ink);
  margin: 0 0 var(--space-md);
  letter-spacing: -.015em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 700; letter-spacing: -.022em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.4rem; }
h4 {
  font-size: 1.1rem;
  font-family: var(--font-sans);  /* Sub-heads stay in sans for cleaner UI */
  font-weight: 600;
  letter-spacing: -.005em;
}

p { margin: 0 0 var(--space-md); }
p:last-child { margin-bottom: 0; }

/* ===== UTILITY ===== */
.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.container-narrow {
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.eyebrow {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ngs-deep);
  margin-bottom: var(--space-md);
}
.eyebrow::before {
  content: '— ';
  color: var(--ngs-bright);
}

.section {
  padding: var(--space-xl) 0;
}
.section-tight {
  padding: var(--space-lg) 0;
}
.section-dark {
  background: var(--ngs-dark-bg);
  color: var(--white);
}
.section-dark h1,
.section-dark h2,
.section-dark h3 { color: var(--white); }
.section-dark .eyebrow { color: var(--ngs-bright); }
.section-dark p { color: rgba(255, 255, 255, .85); }
.section-light {
  background: var(--cloud-dancer-soft);
}
.section-warm {
  background: var(--cloud-dancer-warm);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .95rem 1.75rem;
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .04em;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: all var(--t-base);
  cursor: pointer;
  text-decoration: none;
}
.btn-primary {
  background: var(--ngs-deep);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--ngs-bright);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: transparent;
  color: var(--ngs-deep);
  border-color: var(--ngs-deep);
}
.btn-secondary:hover {
  background: var(--ngs-deep);
  color: var(--white);
}
.btn-on-dark {
  background: var(--ngs-bright);
  color: var(--ngs-dark-bg);
}
.btn-on-dark:hover {
  background: var(--white);
  color: var(--ngs-dark-bg);
}
.btn-arrow::after {
  content: '→';
  transition: transform var(--t-base);
}
.btn-arrow:hover::after {
  transform: translateX(4px);
}

/* ===== HEADER / NAV ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 251, 250, .94);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-base), box-shadow var(--t-base);
}
.site-header.scrolled {
  border-bottom-color: var(--border-soft);
  box-shadow: var(--shadow-soft);
}
.nav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo img {
  height: 62px;
  width: auto;
  display: block;
}

@media (max-width: 760px) {
  .nav-logo img { height: 48px; }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  position: relative;
  padding: .5rem 0;
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ngs-deep);
  transition: color var(--t-fast);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--ngs-bright);
  transition: width var(--t-base);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}
.nav-links a.active {
  color: var(--ngs-deep);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}
.nav-dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  cursor: pointer;
}
.nav-dropdown-trigger::before { content: ''; }
.nav-dropdown-trigger::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid var(--ngs-deep);
  margin-left: .4rem;
  transition: transform var(--t-base);
  position: static !important;
  background: none !important;
}
.nav-dropdown:hover .nav-dropdown-trigger::after {
  transform: rotate(180deg);
}
.nav-dropdown-panel {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 320px;
  padding: 1rem 0;
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: all var(--t-base);
}
.nav-dropdown:hover .nav-dropdown-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-dropdown-panel a {
  display: block;
  padding: .75rem 1.5rem;
  font-size: .82rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink);
  transition: all var(--t-fast);
  position: relative;
}
.nav-dropdown-panel a::after { display: none; }
.nav-dropdown-panel a:hover {
  background: var(--cloud-dancer-warm);
  color: var(--ngs-deep);
  padding-left: 1.75rem;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.nav-cta {
  padding: .7rem 1.4rem;
  background: var(--ngs-deep);
  color: var(--white);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background var(--t-base);
}
.nav-cta:hover { background: var(--ngs-bright); color: var(--white); }
.nav-lang {
  font-family: var(--font-arabic);
  font-size: 1rem;
  color: var(--ngs-deep);
  padding: .5rem .75rem;
  border-radius: 2px;
  transition: background var(--t-fast);
}
.nav-lang:hover { background: var(--cloud-dancer-warm); }

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  padding: .5rem;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ngs-deep);
  margin: 5px 0;
  transition: var(--t-fast);
}

@media (max-width: 1240px) {
  .nav-links, .nav-right > .nav-cta, .nav-right > .nav-lang { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-soft);
    box-shadow: var(--shadow-md);
    gap: 0;
  }
  .nav-links.open li {
    width: 100%;
    border-bottom: 1px solid var(--border-soft);
  }
  .nav-links.open a {
    display: block;
    padding: 1rem 0;
  }
  .nav-dropdown-panel {
    position: static;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    box-shadow: none;
    border: none;
    background: var(--cloud-dancer-soft);
    padding: 0;
    min-width: 0;
  }
}

/* ===== HERO ===== */
.hero {
  padding: var(--space-lg) 0 var(--space-xl);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-xl);
  align-items: stretch;
}
.hero-content h1 {
  margin-bottom: var(--space-md);
}
.hero-lede {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--ink-soft);
  margin-bottom: var(--space-lg);
  max-width: 540px;
}
.hero-ctas {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.hero-image {
  position: relative;
  aspect-ratio: 4/5;
  min-height: 100%;
  background: var(--cloud-dancer-warm);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-trust-strip {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}
.hero-trust-strip span {
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-trust-strip strong {
  color: var(--ngs-deep);
  font-weight: 600;
}

@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-image { aspect-ratio: 16/12; }
}

/* ===== STATS ===== */
.stats-section {
  background: var(--ngs-dark-bg);
  color: var(--white);
  padding: var(--space-2xl) 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}
.stat {
  text-align: center;
  padding: var(--space-md);
}
.stat-number {
  font-size: clamp(2.5rem, 5vw, 3.6rem);
  font-weight: 700;
  color: var(--ngs-bright);
  line-height: 1;
  letter-spacing: -.02em;
  margin-bottom: .5rem;
}
.stat-number .unit {
  font-size: .45em;
  opacity: .8;
  font-weight: 500;
  margin-left: .1rem;
}
.stat-label {
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .8);
}
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== SOLUTIONS GRID (homepage preview) ===== */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}
.solution-card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  overflow: hidden;
  transition: all var(--t-base);
  display: flex;
  flex-direction: column;
}
.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--ngs-light);
}
.solution-card-image {
  aspect-ratio: 16/10;
  background: var(--cloud-dancer-warm);
  position: relative;
  overflow: hidden;
}
.solution-card-image img,
.division-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* Bridges & Tunnels: two stacked images (bridge + tunnel) in one card frame */
.solution-card-image.is-split { display: flex; flex-direction: column; gap: 2px; background: var(--ngs-bright); }
.solution-card-image.is-split .split-top { flex: 1.45; overflow: hidden; }
.solution-card-image.is-split .split-bot { flex: 1; overflow: hidden; }
.solution-card-image.is-split img { width: 100%; height: 100%; object-fit: cover; display: block; }
.solution-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}
.solution-card:hover .solution-card-image img {
  transform: scale(1.05);
}
.solution-card-body {
  padding: var(--space-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.solution-card-number {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--ngs-bright);
  margin-bottom: .5rem;
}
.solution-card h3 {
  font-size: 1.2rem;
  margin-bottom: .5rem;
}
.solution-card p {
  font-size: .9rem;
  color: var(--muted);
  margin-bottom: var(--space-md);
  flex: 1;
}
.solution-card a {
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ngs-deep);
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  transition: gap var(--t-base);
}
.solution-card a:hover { gap: .6rem; color: var(--ngs-bright); }
@media (max-width: 880px) {
  .solutions-grid { grid-template-columns: 1fr; }
}

/* ===== SECTION HEADER ===== */
.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}
.section-header .eyebrow { display: inline-block; }
.section-header h2 {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.section-header p {
  max-width: 640px;
  margin: var(--space-md) auto 0;
  font-size: 1.05rem;
  color: var(--muted);
}

/* ===== SUSTAINABILITY SNAPSHOT ===== */
.sustain-snapshot {
  background: linear-gradient(135deg, var(--ngs-emerald) 0%, var(--ngs-deep) 100%);
  color: var(--white);
  padding: var(--space-3xl) 0;
}
.sustain-snapshot .eyebrow { color: rgba(255, 255, 255, .8); }
.sustain-snapshot h2 { color: var(--white); }
.sustain-snapshot .lead {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, .9);
  max-width: 720px;
}
.sustain-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}
.sustain-point .num {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
  display: block;
  margin-bottom: .5rem;
}
.sustain-point .label {
  font-size: .82rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .85);
  margin-bottom: .5rem;
}
.sustain-point p {
  font-size: .92rem;
  color: rgba(255, 255, 255, .8);
}
@media (max-width: 768px) {
  .sustain-points { grid-template-columns: 1fr; }
}

/* ===== PROJECTS PREVIEW ===== */
.projects-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}
.project-card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  overflow: hidden;
  transition: all var(--t-base);
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.project-card-image {
  aspect-ratio: 4/3;
  background: var(--cloud-dancer-warm);
  position: relative;
}
.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.project-card-body {
  padding: var(--space-md);
}
.project-card-meta {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ngs-bright);
  margin-bottom: .5rem;
}
.project-card h4 {
  font-size: 1.1rem;
  margin-bottom: .35rem;
}
.project-card p {
  font-size: .85rem;
  color: var(--muted);
  margin: 0;
}
@media (max-width: 880px) {
  .projects-preview { grid-template-columns: 1fr; }
}

/* ===== WHY NGS ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  align-items: start;
  margin-top: var(--space-xl);
}
.why-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.why-list li {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-soft);
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: var(--space-md);
  align-items: start;
}
.why-list li:last-child { border-bottom: none; }
.why-list .num {
  font-size: .85rem;
  font-weight: 700;
  color: var(--ngs-bright);
  letter-spacing: .1em;
}
.why-list h4 {
  font-size: 1.05rem;
  margin-bottom: .25rem;
}
.why-list p {
  font-size: .9rem;
  color: var(--muted);
  margin: 0;
}
.why-image {
  aspect-ratio: 4/5;
  background: var(--cloud-dancer-warm);
  border-radius: 4px;
  overflow: hidden;
  position: sticky;
  top: calc(var(--nav-height) + var(--space-md));
}
.why-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media (max-width: 880px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-image { position: static; aspect-ratio: 16/10; }
}

/* ===== CERTIFICATIONS STRIP ===== */
.cert-strip {
  background: var(--cloud-dancer-warm);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.cert-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
  align-items: center;
}
.cert-item {
  text-align: center;
  padding: var(--space-md);
}
.cert-item .iso {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ngs-deep);
  letter-spacing: -.02em;
}
.cert-item .iso-spec {
  font-size: .65rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: .25rem;
}
.cert-item .iso-name {
  font-size: .75rem;
  color: var(--muted);
  margin-top: .25rem;
}
@media (max-width: 880px) {
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== CONTACT CTA ===== */
.contact-cta {
  background: var(--ngs-dark-bg);
  color: var(--white);
  padding: var(--space-3xl) 0;
  text-align: center;
}
.contact-cta h2 { color: var(--white); margin-bottom: var(--space-md); }
.contact-cta p {
  color: rgba(255, 255, 255, .85);
  font-size: 1.1rem;
  max-width: 580px;
  margin: 0 auto var(--space-lg);
}
.contact-cta-channels {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}
.contact-channel {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .65rem 1.25rem;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(31, 189, 169, .3);
  border-radius: 2px;
  color: var(--white);
  font-size: .9rem;
  transition: all var(--t-base);
}
.contact-channel:hover {
  background: rgba(31, 189, 169, .15);
  border-color: var(--ngs-bright);
  color: var(--white);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, .75);
  padding: var(--space-2xl) 0 var(--space-md);
  font-size: .88rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer-brand .footer-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.01em;
  margin-bottom: .5rem;
}
.footer-brand .footer-tagline {
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ngs-bright);
  margin-bottom: var(--space-md);
}
.footer-brand p {
  font-size: .88rem;
  color: rgba(255, 255, 255, .65);
  margin-bottom: var(--space-md);
  max-width: 320px;
}
.footer-social {
  display: flex;
  gap: .5rem;
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 2px;
  color: rgba(255, 255, 255, .7);
  transition: all var(--t-fast);
}
.footer-social a:hover {
  background: var(--ngs-bright);
  border-color: var(--ngs-bright);
  color: var(--ngs-dark-bg);
}
.footer-col h5 {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ngs-bright);
  margin-bottom: var(--space-md);
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col li {
  margin-bottom: .65rem;
}
.footer-col a {
  color: rgba(255, 255, 255, .7);
  transition: color var(--t-fast);
}
.footer-col a:hover {
  color: var(--ngs-bright);
}
.footer-col address {
  font-style: normal;
  color: rgba(255, 255, 255, .7);
  line-height: 1.6;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  font-size: .78rem;
  color: rgba(255, 255, 255, .5);
}
@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: .5rem; text-align: center; }
}

/* ===== WHATSAPP FLOATING BUTTON ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, .35);
  transition: all var(--t-base);
  text-decoration: none;
}
.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37, 211, 102, .5);
}
.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: white;
}
.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #25D366;
  opacity: .4;
  animation: pulse 2s infinite;
  z-index: -1;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: .4; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ===== IMAGE PLACEHOLDER ===== */
.img-placeholder {
  position: relative;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--cloud-dancer-warm) 0%, var(--ngs-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ngs-deep);
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-align: center;
  padding: var(--space-md);
}
.img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent 0, transparent 12px, rgba(10, 77, 74, .04) 12px, rgba(10, 77, 74, .04) 13px);
  pointer-events: none;
}
.img-placeholder-label {
  background: rgba(255, 255, 255, .85);
  padding: .5rem .85rem;
  border-radius: 2px;
  border: 1px dashed var(--ngs-deep);
  font-size: .72rem;
  color: var(--ngs-deep);
  z-index: 1;
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== ARABIC SUPPORT ===== */
[dir="rtl"] {
  font-family: var(--font-arabic);
}
[dir="rtl"] .nav-links a::after { left: auto; right: 0; }
[dir="rtl"] .btn-arrow::after { content: '←'; }

/* =============================================
   DIVISION PAGE COMPONENTS
   Added for solution pages, contact, projects
   ============================================= */

/* ===== DIVISION HERO ===== */
.div-hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  background: var(--cloud-dancer-soft);
  border-bottom: 1px solid var(--border-soft);
}
.div-hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.div-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}
.div-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-soft);
}
.div-hero-meta-item {
  font-size: .8rem;
}
.div-hero-meta-item strong {
  display: block;
  color: var(--ngs-deep);
  font-weight: 700;
  font-size: 1rem;
}
.div-hero-meta-item span {
  color: var(--muted);
  letter-spacing: .1em;
  text-transform: uppercase;
  font-size: .7rem;
}
.div-hero-image {
  aspect-ratio: 4/3;
  background: var(--cloud-dancer-warm);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.div-hero-image img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 880px) {
  .div-hero-grid { grid-template-columns: 1fr; }
}

/* ===== PRODUCT GRID ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-xl);
}
.product-card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  padding: var(--space-lg);
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
}
.product-card-featured {
  border-color: var(--ngs-bright);
  box-shadow: 0 0 0 1px var(--ngs-bright) inset, 0 8px 24px -12px rgba(31,189,169,.4);
}
.product-card-featured .product-icon { color: var(--ngs-bright); }
.product-badge {
  position: absolute; top: 12px; right: 12px;
  background: var(--ngs-bright); color: var(--ngs-deep);
  font-size: .62rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 999px;
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--ngs-bright);
  transition: width var(--t-base);
}
.product-card:hover::before { width: 100%; }
.product-card:hover {
  border-color: var(--ngs-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.product-card .product-icon {
  width: 44px;
  height: 44px;
  border-radius: 4px;
  background: var(--ngs-light);
  color: var(--ngs-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .05em;
  margin-bottom: var(--space-md);
}
.product-card h4 {
  font-size: 1.1rem;
  margin-bottom: .5rem;
}
.product-card p {
  font-size: .88rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
}

/* ===== APPLICATION SECTIONS ===== */
.app-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-soft);
}
.app-section:first-of-type { border-top: none; }
.app-section.reverse { direction: rtl; }
.app-section.reverse > * { direction: ltr; }
.app-content h3 {
  font-size: 1.6rem;
  margin-bottom: var(--space-md);
}
.app-content .app-eyebrow {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ngs-bright);
  margin-bottom: var(--space-md);
}
.app-content ul {
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0;
}
.app-content ul li {
  padding: .5rem 0 .5rem 1.5rem;
  position: relative;
  font-size: .92rem;
  color: var(--ink-soft);
}
.app-content ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--ngs-bright);
  font-size: .85rem;
}
.app-image {
  aspect-ratio: 4/3;
  background: var(--cloud-dancer-warm);
  border-radius: 4px;
  overflow: hidden;
}
.app-image img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 880px) {
  .app-section { grid-template-columns: 1fr; }
  .app-section.reverse { direction: ltr; }
}

/* ===== CASE STUDY CALLOUT ===== */
.case-callout {
  background: var(--ngs-dark-bg);
  color: var(--white);
  padding: var(--space-2xl);
  border-radius: 4px;
  margin: var(--space-xl) 0;
}
.case-callout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.case-callout h3 { color: var(--white); font-size: 1.8rem; }
.case-callout p { color: rgba(255,255,255,.85); }
.case-callout .case-eyebrow {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ngs-bright);
  margin-bottom: var(--space-md);
}
.case-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(31,189,169,.25);
  border-radius: 4px;
}
.case-stat {
  text-align: center;
  padding: var(--space-sm);
}
.case-stat-num {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ngs-bright);
  line-height: 1.1;
  margin-bottom: .25rem;
}
.case-stat-label {
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.75);
}
@media (max-width: 880px) {
  .case-callout-grid { grid-template-columns: 1fr; }
}

/* ===== STORMWATER SLIDESHOW (B-page only) ===== */
.slideshow-section {
  background: var(--ngs-dark-bg);
  color: var(--white);
  padding: var(--space-2xl) 0;
  overflow: hidden;
}
.slideshow {
  position: relative;
  margin-top: var(--space-xl);
}
.slideshow-track {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-bottom: var(--space-md);
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.slideshow-track::-webkit-scrollbar { display: none; }
.slide {
  flex: 0 0 calc(33.333% - 1rem);
  scroll-snap-align: start;
  background: var(--cloud-dancer-warm);
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 4/3;
  position: relative;
  cursor: pointer;
}
.slide .img-placeholder { background: linear-gradient(135deg, #073634 0%, #0A4D4A 100%); color: var(--ngs-bright); }
.slide .img-placeholder-label { background: rgba(7,54,52,.7); color: var(--ngs-bright); border-color: var(--ngs-bright); }
.slide img { width: 100%; height: 100%; object-fit: cover; }
.slide-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: var(--space-md);
  background: linear-gradient(transparent, rgba(7,54,52,.95));
  color: var(--white);
  font-size: .85rem;
}
.slide-caption strong {
  display: block;
  margin-bottom: .25rem;
  color: var(--ngs-bright);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.slideshow-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-md);
}
.slideshow-progress {
  flex: 1;
  height: 2px;
  background: rgba(255,255,255,.15);
  margin: 0 var(--space-md);
  position: relative;
  overflow: hidden;
}
.slideshow-progress-bar {
  position: absolute;
  top: 0; left: 0;
  height: 100%;
  background: var(--ngs-bright);
  width: 33%;
  transition: width var(--t-base);
}
.slideshow-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(31,189,169,.3);
  color: var(--ngs-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: all var(--t-base);
}
.slideshow-btn:hover {
  background: var(--ngs-bright);
  color: var(--ngs-dark-bg);
}
.slideshow-btn:disabled {
  opacity: .4;
  cursor: not-allowed;
}
@media (max-width: 880px) {
  .slide { flex: 0 0 calc(100% - 1rem); }
}

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(7,54,52,.95);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}
.lightbox.open { display: flex; }
.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
}
.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 4px;
}
.lightbox-caption {
  color: var(--white);
  text-align: center;
  margin-top: var(--space-md);
  font-size: .9rem;
}
.lightbox-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-close:hover { background: var(--ngs-bright); color: var(--ngs-dark-bg); }

/* ===== CONTACT PAGE ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}
.contact-form {
  background: var(--white);
  padding: var(--space-xl);
  border-radius: 4px;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
}
.form-group {
  margin-bottom: var(--space-md);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}
.form-label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ngs-deep);
  margin-bottom: .4rem;
}
.form-label .req { color: var(--ngs-bright); }
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: .85rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--ink);
  background: var(--cloud-dancer-soft);
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: all var(--t-fast);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--ngs-bright);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(31,189,169,.15);
}
.form-textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-sans);
}
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%230A4D4A' d='M6 8L0 0h12z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.form-submit {
  width: 100%;
  padding: 1rem;
  background: var(--ngs-deep);
  color: var(--white);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: background var(--t-base);
  margin-top: var(--space-sm);
}
.form-submit:hover { background: var(--ngs-bright); }
.form-status {
  margin-top: var(--space-md);
  padding: var(--space-md);
  border-radius: 2px;
  font-size: .9rem;
  display: none;
}
.form-status.success {
  display: block;
  background: rgba(22,163,74,.1);
  border: 1px solid var(--ngs-emerald);
  color: var(--ngs-emerald);
}
.form-status.error {
  display: block;
  background: rgba(220,38,38,.1);
  border: 1px solid #DC2626;
  color: #DC2626;
}

.contact-sidebar h3 {
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
}
.contact-channels {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-xl);
}
.contact-channels li {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-soft);
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: var(--space-md);
  align-items: start;
}
.contact-channels li:last-child { border-bottom: none; }
.contact-channels .icon {
  width: 36px;
  height: 36px;
  background: var(--ngs-light);
  color: var(--ngs-deep);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.contact-channels .label {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .25rem;
}
.contact-channels .value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
}
.contact-channels a.value:hover { color: var(--ngs-bright); }

.office-card {
  background: var(--cloud-dancer-warm);
  padding: var(--space-md);
  border-radius: 4px;
  border-left: 3px solid var(--ngs-bright);
}
.office-card strong {
  display: block;
  color: var(--ngs-deep);
  font-size: 1rem;
  margin-bottom: .25rem;
}
.office-card address {
  font-style: normal;
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.6;
}

@media (max-width: 880px) {
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .form-row { grid-template-columns: 1fr; }
}

/* ===== CONTENT SPLIT (long-form pages) ===== */
.content-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  padding: var(--space-md) 0;
}
.content-split-text h2 {
  font-size: 1.8rem;
  margin-bottom: var(--space-md);
}
.content-split-text p {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.7;
}
.content-split-image {
  aspect-ratio: 4/5;
  background: var(--cloud-dancer-warm);
  border-radius: 4px;
  overflow: hidden;
}
/* when the cell holds a real image, hug the image height (no reserved empty box) */
.content-split-image:has(.div-hero-img),
.content-split-image:has(img) {
  aspect-ratio: auto;
  background: transparent;
  align-self: center;
}
.content-split-image .div-hero-img img { width: 100%; height: auto; display: block; border-radius: 8px; }
@media (max-width: 880px) {
  .content-split { grid-template-columns: 1fr; }
  .content-split-image { aspect-ratio: 16/10; }
}

/* ===== STANDARDS BADGES ===== */
.standards {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.standard-badge {
  padding: .5rem .85rem;
  background: var(--cloud-dancer-warm);
  border: 1px solid var(--border-soft);
  border-radius: 2px;
  font-size: .78rem;
  font-weight: 500;
  color: var(--ngs-deep);
  letter-spacing: .05em;
}

/* ===== SECTION INTRO ===== */
.section-intro {
  max-width: 720px;
  margin: 0 auto var(--space-xl);
  text-align: center;
}
.section-intro h2 {
  margin-bottom: var(--space-md);
}
.section-intro p {
  font-size: 1.05rem;
  color: var(--muted);
}

/* =============================================
   v3 — ROUND 1 REVISIONS
   Dropdown fix, animations, new components
   (Nav logo styles now in main section above)
   ============================================= */

.site-header {
  --nav-height: 92px;
}
.nav-inner {
  height: 92px;
}

/* ===== DROPDOWN FIX — bridge the hover gap ===== */
/* The dropdown was disappearing because of the 12px gap between trigger and panel.
   We add an invisible bridge via padding-top on the panel, and keep the dropdown alive
   when hovering either the trigger OR the panel itself. */
.nav-dropdown-panel {
  padding-top: 1.5rem !important; /* invisible bridge */
  margin-top: -1rem; /* pull up so it sits seamlessly under the nav */
  top: 100% !important;
}
.nav-dropdown:hover .nav-dropdown-panel,
.nav-dropdown-panel:hover {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* ===== WHATSAPP — Expandable button with label ===== */
.whatsapp-float {
  width: auto;
  height: 56px;
  border-radius: 28px;
  padding: 0 24px 0 16px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
}
.whatsapp-float svg {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
}
.whatsapp-float-label {
  color: white;
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .03em;
  white-space: nowrap;
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-width .35s ease, opacity .25s ease .1s;
}
.whatsapp-float:hover .whatsapp-float-label {
  max-width: 160px;
  opacity: 1;
}
@media (max-width: 768px) {
  .whatsapp-float-label {
    max-width: 120px;
    opacity: 1;
  }
}

/* ===== ENHANCED HERO — animated science backdrop ===== */
.hero {
  position: relative;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(10,77,74,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,77,74,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at top right, black 0%, transparent 70%);
}
.hero-bg-circles {
  position: absolute;
  top: -10%;
  right: -10%;
  width: 600px;
  height: 600px;
  z-index: 0;
  pointer-events: none;
  opacity: .12;
}
.hero-bg-circles::before,
.hero-bg-circles::after {
  content: '';
  position: absolute;
  border: 1px solid var(--ngs-deep);
  border-radius: 50%;
  inset: 0;
  animation: ripple 8s ease-in-out infinite;
}
.hero-bg-circles::after {
  animation-delay: 2s;
}
@keyframes ripple {
  0%, 100% { transform: scale(.6); opacity: .3; }
  50% { transform: scale(1); opacity: .8; }
}
.hero-content, .hero-image {
  position: relative;
  z-index: 1;
}

/* ===== SUSTAINABILITY HERO — Water through engineered earth strata =====
   Brand book voice: deep teal sky, emerald glow (sustainability color),
   layered ground beneath (strata motif), water droplets descending.
   ============================================= */
.sustain-hero-bg {
  position: relative;
  overflow: hidden;
  min-height: 560px;
  background-color: #0E5B59;
  background-image: linear-gradient(180deg,
    #0E5B59 0%,
    #0C4F4D 25%,
    #094240 50%,
    #073634 70%,
    #052B29 90%,
    #031F1E 100%);
  color: white;
  padding: var(--space-3xl) 0 var(--space-3xl);
  isolation: isolate;
}

/* Emerald glow — sustainability identity, top center */
.sustain-hero-bg::before {
  content: '';
  position: absolute;
  top: -260px;
  left: 50%;
  transform: translateX(-50%);
  width: 1300px;
  height: 800px;
  background: radial-gradient(
    ellipse at center,
    rgba(22, 163, 74, .55) 0%,
    rgba(22, 163, 74, .28) 25%,
    rgba(22, 163, 74, .1) 50%,
    rgba(22, 163, 74, 0) 70%);
  pointer-events: none;
  z-index: 0;
  animation: sustain-pulse 8s ease-in-out infinite;
}
@keyframes sustain-pulse {
  0%, 100% { opacity: .85; transform: translateX(-50%) scale(1); }
  50%      { opacity: 1;   transform: translateX(-50%) scale(1.08); }
}

/* Strata bands at the bottom — the brand book motif, more visible */
.sustain-hero-bg::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 180px;
  background:
    linear-gradient(180deg,
      transparent 0%,
      rgba(45, 157, 154, .15) 15%,
      rgba(45, 157, 154, .45) 35%,
      rgba(20, 127, 124, .75) 55%,
      rgba(14, 91, 89, .95) 80%,
      #0E5B59 100%);
  pointer-events: none;
  z-index: 0;
}

/* Container above the layers */
.sustain-hero-bg .container { position: relative; z-index: 2; }
.sustain-hero-bg h1, .sustain-hero-bg p { color: white; }
.sustain-hero-bg .eyebrow { color: var(--light-teal); }
.sustain-hero-bg .eyebrow::before { color: var(--light-teal); }
.sustain-hero-bg p { color: rgba(255,255,255,.92); }

/* Falling water droplets — brighter & larger so visibility is obvious */
.sustain-droplets {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}
.sustain-droplets .droplet {
  position: absolute;
  width: 6px;
  height: 18px;
  background: linear-gradient(180deg,
    rgba(93, 202, 165, 0) 0%,
    rgba(93, 202, 165, .5) 40%,
    rgba(93, 202, 165, .95) 100%);
  border-radius: 0 0 50% 50% / 0 0 60% 60%;
  top: -25px;
  animation: drop linear infinite;
  opacity: 0;
  box-shadow: 0 0 8px rgba(93, 202, 165, .6);
}
.sustain-droplets .droplet:nth-child(1)  { left: 8%;  animation-duration: 7s;  animation-delay: 0s;   }
.sustain-droplets .droplet:nth-child(2)  { left: 18%; animation-duration: 9s;  animation-delay: 1.5s; }
.sustain-droplets .droplet:nth-child(3)  { left: 28%; animation-duration: 6s;  animation-delay: 3s;   }
.sustain-droplets .droplet:nth-child(4)  { left: 42%; animation-duration: 8s;  animation-delay: 0.8s; }
.sustain-droplets .droplet:nth-child(5)  { left: 55%; animation-duration: 10s; animation-delay: 4s;   }
.sustain-droplets .droplet:nth-child(6)  { left: 65%; animation-duration: 7.5s; animation-delay: 2s;  }
.sustain-droplets .droplet:nth-child(7)  { left: 75%; animation-duration: 9.5s; animation-delay: 5s;  }
.sustain-droplets .droplet:nth-child(8)  { left: 85%; animation-duration: 8.5s; animation-delay: 1s;  }
.sustain-droplets .droplet:nth-child(9)  { left: 92%; animation-duration: 11s; animation-delay: 3.5s; }
.sustain-droplets .droplet:nth-child(10) { left: 35%; animation-duration: 12s; animation-delay: 6s;   }

@keyframes drop {
  0%   { transform: translateY(0);     opacity: 0; }
  10%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { transform: translateY(110vh); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .sustain-droplets, .sustain-hero-bg::before { animation: none; }
  .atom-rings, .atom-arm .atom-electron, .atom-nucleus { animation: none; }
}

/* ===== GROUP ATOM VISUAL =====
   Static atomic-diagram structure:
   - Three orbital ellipses share one center (no rotation)
   - Five electrons sit at fixed angular positions on the orbital rings
   - Each electron carries a sister-brand logo
   ============================================= */
.group-atom {
  position: relative;
  width: 100%;
  max-width: 720px;
  height: 600px;
  margin: 1.5rem auto;
}

/* The SVG holds the three orbital ellipses, drawn once, no animation.
   This guarantees logos sit visually on the rings. */
.atom-rings {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  margin: -300px 0 0 -300px;
  pointer-events: none;
  z-index: 1;
}
.atom-rings ellipse, .atom-rings circle { fill: none; stroke: var(--mid-teal); }
.atom-orbit { stroke-width: 1.4; opacity: .42; }
.atom-orbit:nth-of-type(odd) { opacity: .5; }
.atom-guide { stroke-width: 1; opacity: .14; stroke-dasharray: 2 8; }
.atom-node  { fill: var(--mid-teal); stroke: none; opacity: .6; }

/* Nucleus — Nasra Group center */
.atom-nucleus {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 190px;
  height: 190px;
  margin: -95px 0 0 -95px;
  background: radial-gradient(circle at 30% 30%, var(--teal) 0%, var(--deep-teal) 60%, #073A39 100%);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow:
    0 0 0 8px rgba(14, 91, 89, .08),
    0 0 0 18px rgba(14, 91, 89, .04),
    0 18px 50px rgba(14, 91, 89, .35);
  z-index: 5;
  text-align: center;
  padding: 1rem;
}
.atom-nucleus .label {
  font-family: var(--font-sans);
  font-size: .65rem;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--light-teal);
  margin-bottom: .4rem;
  font-weight: 600;
}
.atom-nucleus .name {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -.005em;
  line-height: 1.05;
}
.atom-nucleus .subname {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: .04em;
  margin-top: 2px;
}

/* Electrons — brand circles positioned at fixed polar coordinates from center.
   The atom container is 600x600 with center at (300,300).
   Orbital ring radius ~260px from center.
   Electrons sit AT the ring radius so they visually attach to the rings. */
.atom-electron {
  width: 96px;
  height: 96px;
  background: white;
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--deep-teal);
  transition: border-color .35s ease, box-shadow .35s ease;
  box-shadow: 0 6px 18px rgba(14, 91, 89, .12);
  padding: 12px;
  box-sizing: border-box;
}
.atom-electron img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
}
.atom-electron .electron-label {
  position: absolute;
  bottom: -26px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: .62rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  font-weight: 600;
}

/* NGS electron — featured via a teal accent ring + glow, but the SAME size as the
   other electrons so it sits exactly on the orbit (no protruding/escaping). */
.atom-electron.is-ngs {
  background: white;
  border: 3px solid var(--mid-teal);
  padding: 11px;
  box-shadow:
    0 10px 26px rgba(14, 91, 89, .32),
    0 0 0 5px rgba(45, 157, 154, .16),
    0 0 0 11px rgba(45, 157, 154, .06);
}
.atom-electron.is-ngs .electron-label {
  color: var(--deep-teal);
  font-weight: 700;
}

/* NET electron — coming soon */
.atom-electron.is-net {
  background: var(--bg-soft);
  border-style: dashed;
  border-color: var(--mid-teal);
}
.atom-electron.is-net .net-mark {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--mid-teal);
  letter-spacing: .02em;
}

/* Orbital arms — each wraps one electron at a fixed pivot at center.
   The arm itself rotates around center; the electron is offset on the arm.
   All arms rotate at the SAME speed as the rings, so logos appear to ride the orbit. */
.atom-arm {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  z-index: 4;
}
/* Each arm fixed at its angle — no rotation. Logos sit on the orbital rings. */
.atom-arm.arm-top { transform: rotate(0deg); }
.atom-arm.arm-tr  { transform: rotate(72deg); }
.atom-arm.arm-br  { transform: rotate(144deg); }
.atom-arm.arm-bl  { transform: rotate(216deg); }
.atom-arm.arm-tl  { transform: rotate(288deg); }

/* Each electron sits at radius 240px above its arm pivot.
   Counter-rotate the electron content so logos & labels are upright. */
.atom-arm .atom-electron {
  position: absolute;
  top: -263px;
  left: -48px;
  /* counter-rotate to keep logos upright regardless of arm angle */
  animation: atom-electron-enter 1.2s cubic-bezier(.2,.65,.3,1) backwards;
}
.atom-arm.arm-top .atom-electron { transform: rotate(0deg);    animation-delay: .3s; }
.atom-arm.arm-tr  .atom-electron { transform: rotate(-72deg);  animation-delay: .6s; }
.atom-arm.arm-br  .atom-electron { transform: rotate(-144deg); animation-delay: .9s; }
.atom-arm.arm-bl  .atom-electron { transform: rotate(-216deg); animation-delay: 1.2s; }
.atom-arm.arm-tl  .atom-electron { transform: rotate(-288deg); animation-delay: 1.5s; }

/* NGS electron sits slightly differently — it's larger */
.atom-arm.arm-top .atom-electron.is-ngs {
  top: -263px;
  left: -48px;
}

/* Electron entrance — fade in + gentle scale up, one by one */
@keyframes atom-electron-enter {
  0%   { opacity: 0; }
  100% { opacity: 1; }
}

/* Per-electron scale-with-rotate variants so the entrance reads
   even though each electron has a different counter-rotation */
.atom-arm.arm-top .atom-electron { animation-name: atom-enter-0; }
.atom-arm.arm-tr  .atom-electron { animation-name: atom-enter-tr; }
.atom-arm.arm-br  .atom-electron { animation-name: atom-enter-br; }
.atom-arm.arm-bl  .atom-electron { animation-name: atom-enter-bl; }
.atom-arm.arm-tl  .atom-electron { animation-name: atom-enter-tl; }

@keyframes atom-enter-0  { 0% { opacity:0; transform: rotate(0deg)    scale(.6); } 100% { opacity:1; transform: rotate(0deg)    scale(1); } }
@keyframes atom-enter-tr { 0% { opacity:0; transform: rotate(-72deg)  scale(.6); } 100% { opacity:1; transform: rotate(-72deg)  scale(1); } }
@keyframes atom-enter-br { 0% { opacity:0; transform: rotate(-144deg) scale(.6); } 100% { opacity:1; transform: rotate(-144deg) scale(1); } }
@keyframes atom-enter-bl { 0% { opacity:0; transform: rotate(-216deg) scale(.6); } 100% { opacity:1; transform: rotate(-216deg) scale(1); } }
@keyframes atom-enter-tl { 0% { opacity:0; transform: rotate(-288deg) scale(.6); } 100% { opacity:1; transform: rotate(-288deg) scale(1); } }

/* Nucleus pulses gently — only animation that persists after entrance */
.atom-nucleus { animation: nucleus-pulse 5s ease-in-out infinite; }
@keyframes nucleus-pulse {
  0%, 100% { box-shadow:
    0 0 0 8px rgba(14, 91, 89, .08),
    0 0 0 18px rgba(14, 91, 89, .04),
    0 18px 50px rgba(14, 91, 89, .35); }
  50% { box-shadow:
    0 0 0 10px rgba(14, 91, 89, .12),
    0 0 0 24px rgba(14, 91, 89, .06),
    0 22px 60px rgba(14, 91, 89, .45); }
}

/* Hover effect for electrons */
.atom-electron:hover {
  border-color: var(--mid-teal);
  box-shadow: 0 14px 36px rgba(14, 91, 89, .25);
  z-index: 6;
}

/* Mobile */
@media (max-width: 760px) {
  .group-atom { max-width: 100%; height: 460px; }
  .atom-rings { width: 440px; height: 440px; margin: -220px 0 0 -220px; }
  .atom-nucleus { width: 140px; height: 140px; margin: -70px 0 0 -70px; }
  .atom-nucleus .name { font-size: 1.2rem; }
  .atom-nucleus .subname { font-size: .9rem; }
  .atom-nucleus .label { font-size: .55rem; }
  .atom-electron { width: 72px; height: 72px; padding: 8px; }
  .atom-electron.is-ngs { padding: 7px; }
  .atom-arm .atom-electron { top: -194px; left: -36px; }
  .atom-arm.arm-top .atom-electron.is-ngs { top: -194px; left: -36px; }
  .atom-electron .electron-label { font-size: .52rem; bottom: -20px; }
}

/* ===== APPROVALS ANIMATED SHUFFLE ===== */
.approvals-shuffle {
  position: relative;
  max-width: 900px;
  margin: 1.5rem auto 0;
  height: 360px;
  perspective: 1200px;
}
.approval-card-link {
  margin-top: 1rem;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--ngs-bright);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}
.approval-card-link:hover { border-color: var(--ngs-bright); }
/* only the centered, fully-visible card exposes its link to clicks */
.approvals-shuffle .approval-card:not([data-pos="0"]) .approval-card-link { pointer-events: none; }
/* Certifications section — trim the oversized vertical gaps */
.section-certs { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }
.section-certs .section-header { margin-bottom: 0; }
.section-certs .approvals-shuffle-controls { margin-top: 1rem; }
.approvals-shuffle .approval-card {
  position: absolute;
  top: 0;
  left: 50%;
  width: 280px;
  height: 320px;
  margin-left: -140px;
  background: white;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  transition: all .6s cubic-bezier(.2, .8, .2, 1);
  cursor: pointer;
}
.approvals-shuffle .approval-card[data-pos="0"] {
  transform: translateX(0) translateZ(0) rotate(0deg);
  z-index: 5;
}
.approvals-shuffle .approval-card[data-pos="-1"] {
  transform: translateX(-180px) translateZ(-50px) rotate(-4deg);
  z-index: 4;
  opacity: .85;
}
.approvals-shuffle .approval-card[data-pos="-2"] {
  transform: translateX(-320px) translateZ(-100px) rotate(-7deg);
  z-index: 3;
  opacity: .5;
}
.approvals-shuffle .approval-card[data-pos="1"] {
  transform: translateX(180px) translateZ(-50px) rotate(4deg);
  z-index: 4;
  opacity: .85;
}
.approvals-shuffle .approval-card[data-pos="2"] {
  transform: translateX(320px) translateZ(-100px) rotate(7deg);
  z-index: 3;
  opacity: .5;
}
.approvals-shuffle .approval-card[data-pos="hidden"] {
  transform: translateX(0) scale(.8);
  z-index: 1;
  opacity: 0;
  pointer-events: none;
}
.approval-card-eyebrow {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ngs-bright);
  margin-bottom: 1rem;
}
.approval-card h4 {
  font-size: 1.3rem;
  color: var(--ngs-deep);
  margin-bottom: .5rem;
}
.approval-card p {
  font-size: .88rem;
  color: var(--muted);
  margin: 0;
}
.approval-card .seal {
  margin-top: 1.5rem;
  padding: .5rem 1rem;
  background: var(--cloud-dancer-warm);
  border: 1px solid var(--ngs-light);
  border-radius: 100px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ngs-deep);
}
.approvals-shuffle-controls {
  text-align: center;
  margin-top: 2rem;
}
.approvals-shuffle-controls button {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--ngs-deep);
  color: white;
  border: none;
  margin: 0 .5rem;
  cursor: pointer;
  font-size: 1.2rem;
  transition: all var(--t-base);
}
.approvals-shuffle-controls button:hover {
  background: var(--ngs-bright);
  transform: scale(1.05);
}

/* ===== ENHANCED FLOATING ELEMENTS — visual polish ===== */
.float-soft {
  animation: float-soft 6s ease-in-out infinite;
}
@keyframes float-soft {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ===== ENHANCED CTA — make Start a Conversation more visible ===== */
.contact-cta {
  position: relative;
  overflow: hidden;
}
.contact-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(31,189,169,.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(31,189,169,.08) 0%, transparent 50%);
  pointer-events: none;
}
.contact-cta .container { position: relative; z-index: 1; }
.contact-cta h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
}
.contact-cta .btn-on-dark {
  font-size: 1rem;
  padding: 1.1rem 2.2rem;
  box-shadow: 0 10px 30px rgba(31,189,169,.3);
  transition: all var(--t-base);
}
.contact-cta .btn-on-dark:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(31,189,169,.45);
}

/* ===== INSTALLATION SUPERVISION BADGE ===== */
.field-presence {
  background: linear-gradient(135deg, var(--ngs-deep) 0%, var(--ngs-dark-bg) 100%);
  color: white;
  padding: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
}
.field-presence::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent 0, transparent 24px, rgba(31,189,169,.04) 24px, rgba(31,189,169,.04) 25px);
  pointer-events: none;
}
.field-presence-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}
.field-presence h2 { color: white; font-size: clamp(1.8rem, 3.5vw, 2.4rem); }
.field-presence .eyebrow { color: var(--ngs-bright); }
.field-presence .eyebrow::before { color: var(--ngs-bright); }
.field-presence p { color: rgba(255,255,255,.85); }
.field-presence .points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
.field-presence .point {
  padding: 1rem;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(31,189,169,.2);
  border-radius: 4px;
}
.field-presence .point strong {
  display: block;
  color: var(--ngs-bright);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: .25rem;
}
.field-presence .point span {
  font-size: .82rem;
  color: rgba(255,255,255,.75);
  letter-spacing: .05em;
}
.field-presence-visual {
  aspect-ratio: 4/3;
  background: rgba(31,189,169,.05);
  border: 1px solid rgba(31,189,169,.2);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* ===== On-Site Engineering slideshow ===== */
.field-slideshow { position: absolute; inset: 0; overflow: hidden; }
.field-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transform: scale(1.06);
  transition: opacity 1.2s ease;
  will-change: opacity, transform;
}
.field-slide.is-active {
  opacity: 1;
  animation: fieldKenBurns 7s ease-out forwards;
}
@keyframes fieldKenBurns {
  0%   { transform: scale(1.12) translate(2%, 1%); }
  100% { transform: scale(1.0)  translate(0, 0); }
}
.field-slide-grad {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(7,54,52,0) 55%, rgba(7,54,52,.45) 100%);
}
.field-slide-dots {
  position: absolute; left: 0; right: 0; bottom: 14px;
  display: flex; gap: 8px; justify-content: center; z-index: 3;
}
.field-slide-dots .dot {
  width: 8px; height: 8px; border-radius: 50%; padding: 0; cursor: pointer;
  border: none; background: rgba(255,255,255,.45);
  transition: background .3s ease, width .3s ease;
}
.field-slide-dots .dot.is-active { background: #fff; width: 22px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  .field-slide { transition: opacity .4s ease; }
  .field-slide.is-active { animation: none; transform: scale(1); }
}
@media (max-width: 880px) {
  .field-presence-grid { grid-template-columns: 1fr; }
  .field-presence .points { grid-template-columns: 1fr; }
}

/* ===== GLOBAL ENHANCEMENTS — subtle motion ===== */
.solution-card, .product-card, .project-card {
  transition: all .5s cubic-bezier(.2, .8, .2, 1);
}

/* =============================================
   BRAND BOOK v1.0 — Strata motif & brand details
   ============================================= */

/* ===== STRATA MOTIF — layered bars as section divider ===== */
.strata-divider {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 240px;
  margin: var(--space-lg) 0;
}
.strata-divider .bar {
  height: 10px;
  border-radius: 2px;
}
.strata-divider .bar:nth-child(1) { background: var(--deep-teal); width: 100%; }
.strata-divider .bar:nth-child(2) { background: var(--teal); width: 90%; }
.strata-divider .bar:nth-child(3) { background: var(--mid-teal); width: 78%; }
.strata-divider .bar:nth-child(4) { background: var(--light-teal); width: 60%; }
.strata-divider.center { margin-left: auto; margin-right: auto; align-items: center; }
.strata-divider.center .bar { width: 100%; }
.strata-divider.center .bar:nth-child(2) { width: 90%; }
.strata-divider.center .bar:nth-child(3) { width: 78%; }
.strata-divider.center .bar:nth-child(4) { width: 60%; }

/* Eyebrow — brand book voice: restrained, letter-spaced */
.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--mid-teal);
  margin-bottom: var(--space-md);
}
.eyebrow::before {
  content: '— ';
  color: var(--mid-teal);
  opacity: .6;
}

/* Sustainability badge — Emerald reserved for sustainability per brand book */
.sustain-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .4rem .85rem;
  background: rgba(22, 163, 74, .1);
  color: var(--emerald);
  border: 1px solid rgba(22, 163, 74, .25);
  border-radius: 100px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.sustain-badge::before {
  content: '●';
  color: var(--emerald);
  font-size: .55rem;
}

/* Bronze badge — for heritage / Vision 2030 / certifications */
.heritage-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .4rem .85rem;
  background: rgba(156, 123, 63, .08);
  color: var(--bronze);
  border: 1px solid rgba(156, 123, 63, .25);
  border-radius: 2px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* Make hero and main sections feel cleaner with the lighter background */
.hero { background: var(--bg-base); }
.section-light { background: var(--bg-soft); }
.section-warm { background: var(--bg-warm); }

/* Stronger brand contrast for stat numbers — switch from bright cyan-leaning
   to brand mid-teal */
.stat-number { color: var(--light-teal); }

/* ===== Footer droplet ===== */

/* Footer brand updates */
.footer-brand .footer-logo {
  margin-bottom: var(--space-sm);
  line-height: 1;
}
.footer-brand .footer-logo img {
  height: 56px;
  width: auto;
  display: block;
}
.footer-brand .footer-tagline {
  font-family: var(--font-sans);
  font-style: normal;
  font-size: .92rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--light-teal);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

/* ===== Group philosophy quote (above atom) ===== */
.group-atom-section { padding-top: var(--space-2xl); }
.group-philosophy {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-md);
  padding: 0 var(--space-md);
}
.philosophy-quote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 1.95rem);
  line-height: 1.3;
  color: var(--deep-teal);
  font-weight: 500;
  margin: 0 0 var(--space-sm);
  letter-spacing: -.005em;
}
.philosophy-caption {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--muted);
  max-width: 580px;
  margin: 0 auto;
}

/* ===== Brand card logo container (Group page) ===== */
.brand-card-logo {
  width: 110px;
  height: 110px;
  margin-bottom: 1rem;
  background: white;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  border: 1px solid var(--border-soft);
  overflow: hidden;
}
.brand-card-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.brand-card-logo.ngs-tile {
  background: var(--deep-teal);
  border-color: var(--deep-teal);
  padding: 18px;
}
.brand-card-logo.net-tile {
  background: var(--bg-soft);
  border: 2px dashed var(--mid-teal);
  font-family: var(--font-sans);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--mid-teal);
  letter-spacing: .02em;
}

/* ===== TREE GROWING VISUAL (Sustainability page) =====
   Roots grow into strata, trunk grows up, canopy scales out.
   Triggers on scroll into view (via .reveal class). */
.tree-section {
  background: linear-gradient(180deg, var(--bg-base) 0%, var(--pale-teal) 100%);
}
.tree-visual {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-2xl);
  align-items: center;
  max-width: 1080px;
  margin: 0 auto;
}
.tree-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 380 / 420;
  max-width: 460px;
}
.tree-stage svg { width: 100%; height: 100%; display: block; }

/* The animations only play once .reveal becomes .visible (scroll trigger) */
/* Strata reveal first (left-to-right) */
.tree-visual.visible .tree-strata > rect {
  animation: tree-strata-in .8s ease-out forwards;
}
.tree-visual.visible .tree-strata > rect:nth-child(1) { animation-delay: .1s; }
.tree-visual.visible .tree-strata > rect:nth-child(2) { animation-delay: .3s; }
.tree-visual.visible .tree-strata > rect:nth-child(3) { animation-delay: .5s; }
.tree-visual.visible .tree-strata-label {
  animation: tree-fade-in .5s ease-out forwards;
  animation-delay: 1.5s;
}
.tree-visual.visible .tree-strata text:nth-of-type(2) { animation-delay: 1.7s; }
.tree-visual.visible .tree-strata text:nth-of-type(3) { animation-delay: 1.9s; }

@keyframes tree-strata-in {
  0%   { opacity: 0; transform: translateX(-30px); }
  100% { opacity: .9; transform: translateX(0); }
}
@keyframes tree-fade-in {
  to { opacity: 1; }
}

/* Roots draw out (stroke-dashoffset trick) */
.tree-root {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
}
.tree-visual.visible .tree-root {
  animation: tree-root-draw 1.2s ease-out forwards;
}
.tree-visual.visible .tree-root:nth-of-type(1) { animation-delay: .8s; }
.tree-visual.visible .tree-root:nth-of-type(2) { animation-delay: 1.0s; }
.tree-visual.visible .tree-root:nth-of-type(3) { animation-delay: 1.2s; }
.tree-visual.visible .tree-root:nth-of-type(4) { animation-delay: 1.4s; }
.tree-visual.visible .tree-root:nth-of-type(5) { animation-delay: 1.6s; }
.tree-visual.visible .tree-root:nth-of-type(6) { animation-delay: 1.8s; }
@keyframes tree-root-draw {
  to { stroke-dashoffset: 0; }
}

/* Trunk grows up (height grows, y moves up to keep base anchored) */
.tree-trunk { transform-origin: 190px 260px; }
.tree-visual.visible .tree-trunk {
  animation: tree-trunk-grow 1.5s cubic-bezier(.3,.7,.4,1) 1.2s forwards;
}
@keyframes tree-trunk-grow {
  0%   { height: 0;   y: 260; }
  100% { height: 130; y: 130; }
}

/* Canopy bursts open */
.tree-visual.visible .tree-canopy {
  animation: tree-canopy-bloom 1.4s cubic-bezier(.3,1.4,.5,1) 2.4s forwards;
}
@keyframes tree-canopy-bloom {
  0%   { transform: translate(190px, 130px) scale(0); }
  100% { transform: translate(190px, 130px) scale(1); }
}

/* Falling leaves */
.tree-visual.visible .tree-leaf-1 { animation: tree-leaf-fall 6s ease-in 3.5s infinite; }
.tree-visual.visible .tree-leaf-2 { animation: tree-leaf-fall 7s ease-in 4.5s infinite; }
.tree-visual.visible .tree-leaf-3 { animation: tree-leaf-fall 8s ease-in 5.5s infinite; }
@keyframes tree-leaf-fall {
  0%   { opacity: 0; transform: translate(0, 0) rotate(0); }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { opacity: 0; transform: translate(20px, 120px) rotate(180deg); }
}

.tree-copy h2 { margin-bottom: var(--space-md); }
.tree-bullets {
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0 0;
}
.tree-bullets li {
  padding: .75rem 0;
  border-top: 1px solid var(--border-soft);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.6;
}
.tree-bullets li:last-child { border-bottom: 1px solid var(--border-soft); }
.tree-bullets li strong {
  display: inline-block;
  min-width: 80px;
  color: var(--mid-teal);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 700;
}

@media (max-width: 760px) {
  .tree-visual { grid-template-columns: 1fr; gap: var(--space-lg); }
  .tree-stage { max-width: 340px; margin: 0 auto; }
}

@media (prefers-reduced-motion: reduce) {
  .tree-strata > rect, .tree-strata-label { opacity: 1 !important; animation: none !important; }
  .tree-root { stroke-dashoffset: 0; animation: none !important; }
  .tree-trunk { height: 130px; y: 130; animation: none !important; }
  .tree-canopy { transform: translate(190px, 130px) scale(1); animation: none !important; }
  .tree-leaf-1, .tree-leaf-2, .tree-leaf-3 { animation: none !important; opacity: 0; }
}

/* ===== STRATA TIMELINE (About page) =====
   Each milestone is a horizontal stratum band that slides in from the left
   when the timeline scrolls into view. */
.strata-timeline {
  list-style: none;
  padding: 0;
  margin: var(--space-xl) 0 0;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}
.strata-step {
  display: grid;
  grid-template-columns: 110px 24px 1fr;
  gap: var(--space-md);
  align-items: start;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-soft);
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity .8s ease-out, transform .8s ease-out;
}
.strata-step:last-child { border-bottom: none; }

.strata-timeline.visible .strata-step {
  opacity: 1;
  transform: translateX(0);
}
.strata-timeline.visible .strata-step:nth-child(1) { transition-delay: 0s; }
.strata-timeline.visible .strata-step:nth-child(2) { transition-delay: .12s; }
.strata-timeline.visible .strata-step:nth-child(3) { transition-delay: .24s; }
.strata-timeline.visible .strata-step:nth-child(4) { transition-delay: .36s; }
.strata-timeline.visible .strata-step:nth-child(5) { transition-delay: .48s; }
.strata-timeline.visible .strata-step:nth-child(6) { transition-delay: .60s; }
.strata-timeline.visible .strata-step:nth-child(7) { transition-delay: .72s; }
.strata-timeline.visible .strata-step:nth-child(8) { transition-delay: .84s; }

.strata-year {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--deep-teal);
  letter-spacing: -.02em;
  line-height: 1;
  padding-top: 4px;
}
.strata-bar {
  width: 8px;
  height: 100%;
  min-height: 60px;
  background: var(--strata-color, var(--mid-teal));
  border-radius: 4px;
  position: relative;
}
.strata-bar::before {
  content: '';
  position: absolute;
  top: 10px;
  left: -6px;
  width: 20px;
  height: 20px;
  background: var(--strata-color, var(--mid-teal));
  border: 3px solid var(--bg-base);
  border-radius: 50%;
  box-shadow: 0 4px 10px rgba(14, 91, 89, .2);
}
.strata-content h4 {
  margin: 0 0 .35rem;
  color: var(--deep-teal);
  font-family: var(--font-display);
  font-size: 1.2rem;
}
.strata-content p {
  margin: 0;
  color: var(--ink);
  line-height: 1.6;
}

@media (max-width: 600px) {
  .strata-step { grid-template-columns: 78px 18px 1fr; gap: var(--space-sm); }
  .strata-year { font-size: 1.1rem; }
  .strata-bar { width: 6px; }
  .strata-bar::before { left: -7px; width: 16px; height: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .strata-step { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   SUDS SCENE — Stormwater hero animation
   Clouds drift, rain falls, water pools then drains,
   infiltrates from surface and from drainage pipe through
   AquaCell, seeps out into surrounding soil.
   ============================================================ */
.suds-scene {
  width: 100%;
  height: 100%;
  min-height: 460px;
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg-base);
  box-shadow: 0 18px 50px rgba(14, 91, 89, .15);
  border: 1px solid var(--border-soft);
}
.suds-scene svg { width: 100%; height: 100%; display: block; }

/* Clouds drift slowly */
.suds-cloud { animation: suds-cloud-drift linear infinite; }
.suds-cloud-1 { animation-duration: 60s; }
.suds-cloud-2 { animation-duration: 80s; animation-delay: -20s; }
.suds-cloud-3 { animation-duration: 100s; animation-delay: -40s; }
@keyframes suds-cloud-drift {
  0%   { transform: translateX(0); }
  50%  { transform: translateX(20px); }
  100% { transform: translateX(0); }
}

/* Rain falls — each drop with its own offset */
.suds-raindrop { animation: suds-rain 1.4s linear infinite; opacity: 0; }
.suds-raindrop.r1  { animation-delay: 0s; }
.suds-raindrop.r2  { animation-delay: .12s; }
.suds-raindrop.r3  { animation-delay: .24s; }
.suds-raindrop.r4  { animation-delay: .08s; }
.suds-raindrop.r5  { animation-delay: .20s; }
.suds-raindrop.r6  { animation-delay: .32s; }
.suds-raindrop.r7  { animation-delay: .04s; }
.suds-raindrop.r8  { animation-delay: .16s; }
.suds-raindrop.r9  { animation-delay: .28s; }
.suds-raindrop.r10 { animation-delay: .40s; }
.suds-raindrop.r11 { animation-delay: .52s; }
.suds-raindrop.r12 { animation-delay: .64s; }

@keyframes suds-rain {
  0%   { transform: translateY(0); opacity: 0; }
  10%  { opacity: .85; }
  85%  { opacity: .85; }
  100% { transform: translateY(140px); opacity: 0; }
}

/* Pool — fills, holds, drains, repeats. Slow cycle. */
.suds-pool {
  transform-origin: 260px 260px;
  animation: suds-pool-cycle 8s ease-in-out infinite;
  opacity: 0;
}
@keyframes suds-pool-cycle {
  0%   { opacity: 0; transform: scaleY(0); }
  20%  { opacity: 1; transform: scaleY(1); }
  60%  { opacity: 1; transform: scaleY(1); }
  85%  { opacity: 0; transform: scaleY(.15); }
  100% { opacity: 0; transform: scaleY(0); }
}

/* Surface infiltration drops — travel from surface down to AquaCell */
.suds-inf { opacity: 0; animation: suds-inf-fall 4s ease-in infinite; }
.suds-inf.i1 { animation-delay: .3s; }
.suds-inf.i2 { animation-delay: .9s; }
.suds-inf.i3 { animation-delay: 1.5s; }
.suds-inf.i4 { animation-delay: 2.1s; }
.suds-inf.i5 { animation-delay: 2.7s; }
.suds-inf.i6 { animation-delay: 3.3s; }
@keyframes suds-inf-fall {
  0%   { transform: translateY(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateY(125px); opacity: 0; }
}

/* Drainage pipe water — flowing down through pipe */
.suds-pipe-water { animation: suds-pipe-flow 2s linear infinite; opacity: 0; }
.suds-pipe-water.w1 { animation-delay: 0s; }
.suds-pipe-water.w2 { animation-delay: .65s; }
.suds-pipe-water.w3 { animation-delay: 1.3s; }
@keyframes suds-pipe-flow {
  0%   { transform: translateY(-20px); opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateY(100px); opacity: 0; }
}

/* Water exiting pipe sideways into AquaCell */
.suds-pipe-out { animation: suds-pipe-exit 2.5s ease-out infinite; opacity: 0; }
.suds-pipe-out.o1 { animation-delay: 1.3s; }
.suds-pipe-out.o2 { animation-delay: 1.8s; }
@keyframes suds-pipe-exit {
  0%   { transform: translate(60px, 0); opacity: 0; }
  20%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translate(-30px, 12px); opacity: 0; }
}

/* Outflow seeping from AquaCell into surrounding native soil */
.suds-out { opacity: 0; animation: suds-seep-out 5s ease-in infinite; }
.suds-out.o-l1 { animation-delay: 2.2s; animation-name: suds-seep-left; }
.suds-out.o-l2 { animation-delay: 3.4s; animation-name: suds-seep-left; }
.suds-out.o-b1 { animation-delay: 2.8s; animation-name: suds-seep-down; }
.suds-out.o-b2 { animation-delay: 3.0s; animation-name: suds-seep-down; }
.suds-out.o-b3 { animation-delay: 3.2s; animation-name: suds-seep-down; }
.suds-out.o-b4 { animation-delay: 3.4s; animation-name: suds-seep-down; }
.suds-out.o-r1 { animation-delay: 2.5s; animation-name: suds-seep-right; }
.suds-out.o-r2 { animation-delay: 3.7s; animation-name: suds-seep-right; }
@keyframes suds-seep-left {
  0%   { transform: translate(0, 0); opacity: 0; }
  15%  { opacity: 1; }
  85%  { opacity: .5; }
  100% { transform: translate(-50px, 25px); opacity: 0; }
}
@keyframes suds-seep-down {
  0%   { transform: translate(0, 0); opacity: 0; }
  15%  { opacity: 1; }
  85%  { opacity: .5; }
  100% { transform: translate(0, 60px); opacity: 0; }
}
@keyframes suds-seep-right {
  0%   { transform: translate(0, 0); opacity: 0; }
  15%  { opacity: 1; }
  85%  { opacity: .5; }
  100% { transform: translate(50px, 25px); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .suds-cloud, .suds-raindrop, .suds-pool,
  .suds-inf, .suds-pipe-water, .suds-pipe-out, .suds-out {
    animation: none !important;
  }
  .suds-pool { opacity: .9; transform: scaleY(1); }
}

/* ============================================================
   SUSTAINABILITY ATOMS BG — homepage sustain-snapshot section
   Atoms with electrons orbiting their nuclei; molecular bonds.
   Sits behind the existing text content (z-index: 0).
   ============================================================ */
.sustain-snapshot { position: relative; overflow: hidden; isolation: isolate; }
.sustain-snapshot > .container { position: relative; z-index: 2; }

.sustain-atoms-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: .55;
}

/* Atoms stay still (no CSS rotation — that was causing artifacts at section edges
   because of how transform-box interacts with preserveAspectRatio slicing).
   Animation is achieved via electrons pulsing + bonds gently glowing. */
.sa-atom { /* static position; relies on SVG transform="translate(...)" */ }

/* Each electron pulses */
.sa-electron {
  animation: sa-electron-pulse 3s ease-in-out infinite;
}
.sa-electron:nth-of-type(2) { animation-delay: .6s; }
.sa-electron:nth-of-type(3) { animation-delay: 1.2s; }
.sa-electron:nth-of-type(4) { animation-delay: 1.8s; }

@keyframes sa-electron-pulse {
  0%, 100% { opacity: .9; r: 3; }
  50%      { opacity: .5; r: 4; }
}

/* Molecular bonds — subtle pulse */
.sa-bond {
  animation: sa-bond-pulse 8s ease-in-out infinite;
}
.sa-bond:nth-of-type(2) { animation-delay: 2s; }
.sa-bond:nth-of-type(3) { animation-delay: 4s; }
.sa-bond:nth-of-type(4) { animation-delay: 6s; }

@keyframes sa-bond-pulse {
  0%, 100% { opacity: .12; }
  50%      { opacity: .28; }
}

@media (prefers-reduced-motion: reduce) {
  .sa-atom, .sa-electron, .sa-bond { animation: none !important; }
}

/* ============================================================
   UNSEEN SECTION — homepage replacement for 'Pre-approved consultants'
   Above-surface skyline vs below-surface NGS engineering.
   Brand voice: quiet confidence; "what you see vs what we engineer".
   ============================================================ */
.unseen-section {
  background: var(--bg-base);
  padding: var(--space-xl) 0 0;
  position: relative;
}
/* The cross-section flows directly into "Our Solutions" — they're one
   narrative, so tighten this specific seam without changing the global
   section rhythm used everywhere else. */
.unseen-section + .section { padding-top: var(--space-xl); }
.unseen-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto var(--space-lg);
}
.unseen-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.7rem);
  line-height: 1.15;
  margin: var(--space-sm) 0 var(--space-md);
  color: var(--deep-teal);
  letter-spacing: -.015em;
}
.unseen-em {
  display: inline-block;
  color: var(--mid-teal);
  position: relative;
}
.unseen-em::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--light-teal), var(--mid-teal), transparent);
  opacity: .65;
  border-radius: 2px;
}
.unseen-lead {
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto;
}

.unseen-scene {
  width: calc(100vw - 32px);
  max-width: 1400px;
  margin: 0 auto 0;
  margin-left: 50%;
  translate: -50% 0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(14, 91, 89, .12);
  border: 1px solid var(--border-soft);
  background: white;
}
.unseen-scene svg { display: block; width: 100%; height: auto; }

/* Buildings gently appear on reveal (the section has .reveal class) */
.us-bld {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .8s ease, transform .8s ease;
}
.unseen-scene.visible .us-bld {
  opacity: 1;
  transform: translateY(0);
}
.unseen-scene.visible .us-bld-1 { transition-delay: .1s; }
.unseen-scene.visible .us-bld-2 { transition-delay: .25s; }
.unseen-scene.visible .us-bld-3 { transition-delay: .4s; }
.unseen-scene.visible .us-bld-4 { transition-delay: .55s; }
.unseen-scene.visible .us-bld-5 { transition-delay: .7s; }
.unseen-scene.visible .us-bld-6 { transition-delay: .85s; }
.unseen-scene.visible .us-bld-7 { transition-delay: 1s; }

/* Shimmer dot traveling along the divider line */
.us-shimmer {
  animation: us-shimmer-travel 5s linear infinite;
  filter: drop-shadow(0 0 4px #5DCAA5);
}
@keyframes us-shimmer-travel {
  0%   { transform: translateX(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateX(1100px); opacity: 0; }
}

/* Infiltration drops travel from divider down through AquaCell into soil */
.us-inf {
  opacity: 0;
  animation: us-inf-fall 6s ease-in infinite;
}
.us-inf.i1 { animation-delay: 0.2s; }
.us-inf.i2 { animation-delay: 1.0s; }
.us-inf.i3 { animation-delay: 1.8s; }
.us-inf.i4 { animation-delay: 2.6s; }
.us-inf.i5 { animation-delay: 3.4s; }
.us-inf.i6 { animation-delay: 4.2s; }
@keyframes us-inf-fall {
  0%   { transform: translateY(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateY(190px); opacity: 0; }
}

/* Native soil — water seeping outward and downward into the dark soil */
.us-soak { animation: us-soak-spread 5s ease-out infinite; }
.us-soak.s1 { animation-delay: 0.5s;  animation-name: us-soak-down;  }
.us-soak.s2 { animation-delay: 1.2s;  animation-name: us-soak-spread-r; }
.us-soak.s3 { animation-delay: 0.9s;  animation-name: us-soak-down;  }
.us-soak.s4 { animation-delay: 2.0s;  animation-name: us-soak-spread-l; }
.us-soak.s5 { animation-delay: 1.6s;  animation-name: us-soak-down;  }
.us-soak.s6 { animation-delay: 2.8s;  animation-name: us-soak-spread-r; }
.us-soak.s7 { animation-delay: 3.4s;  animation-name: us-soak-down;  }
.us-soak.s8 { animation-delay: 4.0s;  animation-name: us-soak-spread-l; }
@keyframes us-soak-down {
  0%   { opacity: 0; transform: translate(0, 0); }
  20%  { opacity: 1; }
  100% { opacity: 0; transform: translate(0, 28px); }
}
@keyframes us-soak-spread-r {
  0%   { opacity: 0; transform: translate(0, 0); }
  20%  { opacity: 1; }
  100% { opacity: 0; transform: translate(22px, 22px); }
}
@keyframes us-soak-spread-l {
  0%   { opacity: 0; transform: translate(0, 0); }
  20%  { opacity: 1; }
  100% { opacity: 0; transform: translate(-22px, 22px); }
}

/* Pillars row beneath the scene */
.unseen-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  max-width: 1080px;
  margin: var(--space-xl) auto 0;
}
.unseen-pillar {
  padding: var(--space-lg);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  background: var(--bg-soft);
  text-align: left;
}
.unseen-num {
  font-family: var(--font-sans);
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--deep-teal);
  letter-spacing: -.03em;
  line-height: 1;
  display: inline-block;
  margin-bottom: .4rem;
}
.unseen-num span {
  font-size: .55em;
  color: var(--mid-teal);
}
.unseen-pillar-label {
  display: block;
  font-family: var(--font-sans);
  font-size: .68rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--mid-teal);
  font-weight: 700;
  margin-bottom: .8rem;
}
.unseen-pillar p {
  font-size: .93rem;
  line-height: 1.6;
  color: var(--ink);
  margin: 0;
}

@media (max-width: 760px) {
  .unseen-pillars { grid-template-columns: 1fr; }
  .unseen-num { font-size: 2.1rem; }
}

@media (prefers-reduced-motion: reduce) {
  .us-bld, .us-shimmer, .us-inf, .us-soak { animation: none !important; transition: none !important; opacity: 1; }
}

/* ============================================================
   HERO PHOTO — homepage hero with real photography
   Image with brand-coloured overlay so any photo looks on-brand.
   Animated brand droplet + ripple rings sit over the image.
   Falls back to a styled gradient if image is missing.
   ============================================================ */
.hero-photo {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 520px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(14, 91, 89, .22), 0 10px 30px rgba(14, 91, 89, .15);
  background:
    radial-gradient(ellipse at 30% 20%, rgba(45,157,154,.25), transparent 60%),
    radial-gradient(ellipse at 80% 80%, rgba(93,202,165,.18), transparent 60%),
    linear-gradient(135deg, #0E5B59 0%, #073634 100%);
  isolation: isolate;
}
.hero-photo picture,
.hero-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  display: block;
}

/* Brand overlay — strong teal gradient sits over photo to keep contrast high
   and make any photograph feel on-brand (deep-teal upper-left → transparent middle
   → deep-teal lower-right) */
.hero-photo-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(135deg,
      rgba(14, 91, 89, .85) 0%,
      rgba(14, 91, 89, .45) 35%,
      rgba(14, 91, 89, .25) 60%,
      rgba(14, 91, 89, .75) 100%);
  pointer-events: none;
}

/* If no photo is present, fallback gradient shows; add subtle pattern */
.hero-photo.no-photo .hero-photo-overlay {
  background:
    linear-gradient(135deg,
      rgba(14, 91, 89, .55) 0%,
      rgba(20, 127, 124, .45) 50%,
      rgba(14, 91, 89, .65) 100%);
}

/* Animated brand droplet — sits in upper-right region */
.hero-photo-droplet {
  position: absolute;
  top: 32px;
  right: 32px;
  width: 88px;
  height: 106px;
  z-index: 3;
  animation: hp-droplet-pulse 4s ease-in-out infinite;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,.25));
}
.hero-photo-droplet svg { width: 100%; height: 100%; display: block; }
@keyframes hp-droplet-pulse {
  0%, 100% { transform: scale(1) translateY(0); }
  50%      { transform: scale(1.05) translateY(-3px); }
}

/* Moving water layers inside the brand droplet — two sine surfaces scroll
   horizontally at different speeds for a living, rippling water effect */
.hero-photo-droplet .hp-wave { will-change: transform; }
.hero-photo-droplet .hp-wave-back  { animation: hp-wave-back 6s linear infinite; }
.hero-photo-droplet .hp-wave-front { animation: hp-wave-front 4.5s linear infinite; }
@keyframes hp-wave-back  { from { transform: translateX(0); } to { transform: translateX(-120px); } }
@keyframes hp-wave-front { from { transform: translateX(0); } to { transform: translateX(-95px); } }

/* Ripple rings emanating from droplet position */
.hero-photo-rings {
  position: absolute;
  top: 50px;
  right: 50px;
  width: 60px;
  height: 60px;
  z-index: 2;
  pointer-events: none;
}
.hero-photo-rings .ring {
  position: absolute;
  inset: 0;
  border: 1.5px solid rgba(93, 202, 165, .55);
  border-radius: 50%;
  animation: hp-ring-expand 4s ease-out infinite;
  opacity: 0;
}
.hero-photo-rings .ring:nth-child(2) { animation-delay: 1.3s; }
.hero-photo-rings .ring:nth-child(3) { animation-delay: 2.6s; }
@keyframes hp-ring-expand {
  0%   { transform: scale(0.5); opacity: 0; }
  10%  { opacity: .9; }
  100% { transform: scale(3); opacity: 0; }
}

/* Stat ribbon at the bottom of the hero photo */
.hero-photo-ribbon {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  z-index: 4;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: var(--space-md);
  align-items: center;
  padding: 18px 22px;
  background: rgba(251, 251, 250, .92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border: 1px solid rgba(45, 157, 154, .25);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(14, 91, 89, .18);
}
.ribbon-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
}
.ribbon-num {
  font-family: var(--font-sans);
  font-size: clamp(1.1rem, 2vw, 1.55rem);
  font-weight: 800;
  color: var(--deep-teal);
  letter-spacing: -.02em;
  line-height: 1.05;
}
.ribbon-unit {
  font-size: .65em;
  color: var(--mid-teal);
  font-weight: 600;
  margin-left: 2px;
}
.ribbon-label {
  font-family: var(--font-sans);
  font-size: .58rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mid-teal);
  font-weight: 700;
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.ribbon-divider {
  width: 1px;
  height: 32px;
  background: linear-gradient(180deg, transparent, var(--mid-teal), transparent);
  opacity: .4;
}

@media (max-width: 760px) {
  .hero-photo { min-height: 420px; }
  .hero-photo-ribbon {
    left: 16px;
    right: 16px;
    bottom: 16px;
    padding: 14px 16px;
    gap: var(--space-sm);
  }
  .ribbon-num { font-size: 1.1rem; }
  .ribbon-label { font-size: .52rem; letter-spacing: .14em; }
  .ribbon-divider { height: 28px; }
  .hero-photo-droplet { width: 64px; height: 78px; top: 20px; right: 20px; }
  .hero-photo-rings { top: 36px; right: 36px; width: 40px; height: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-photo-droplet, .hero-photo-rings .ring, .hero-photo-droplet .hp-wave { animation: none; }
}

/* ===== Solutions page — showcase hero ===== */
.solutions-showcase {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 64vh;
  overflow: hidden;
  background: var(--ngs-deep);
  isolation: isolate;
}
.solutions-showcase .showcase-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: image-set(url('assets/photos/divisions/solutions-hero-collage.webp') type('image/webp'), url('assets/photos/divisions/solutions-hero-collage.jpg') type('image/jpeg'));
  background-size: cover;
  background-position: center;
  transform: scale(1.08);
  animation: showcaseZoom 18s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes showcaseZoom { from { transform: scale(1.08); } to { transform: scale(1.16); } }
.solutions-showcase .showcase-scrim {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(7,32,31,.55) 0%, rgba(7,32,31,.30) 45%, rgba(7,32,31,.78) 100%),
    linear-gradient(90deg, rgba(7,32,31,.45) 0%, rgba(7,32,31,.10) 60%);
}
.solutions-showcase .showcase-inner {
  position: relative; z-index: 2;
  width: 100%; max-width: 1180px; margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
}
@keyframes showcaseFade { from { opacity: 0; } to { opacity: 1; } }
.solutions-showcase .showcase-scrim {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: none;
}
.solutions-showcase .showcase-inner {
  position: relative; z-index: 2;
  width: 100%; max-width: 1180px; margin: 0 auto;
  padding: var(--space-md) var(--space-lg) var(--space-lg);
  text-align: center;
}
.solutions-showcase .eyebrow {
  color: var(--ngs-bright); opacity: 0;
  animation: showcaseRise .8s .15s cubic-bezier(.2,.7,.2,1) forwards;
}
.solutions-showcase h1 {
  color: #fff; max-width: 20ch; margin: 0 auto;
  font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.04; letter-spacing: -.02em;
  opacity: 0; animation: showcaseRise .9s .28s cubic-bezier(.2,.7,.2,1) forwards;
}
.solutions-showcase .showcase-lead {
  color: #e7f1ee; max-width: 56ch; margin: var(--space-md) auto 0;
  font-size: clamp(1rem, 1.5vw, 1.18rem); line-height: 1.65;
  opacity: 0; animation: showcaseRise .9s .42s cubic-bezier(.2,.7,.2,1) forwards;
}
.solutions-showcase .showcase-chips {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: var(--space-lg);
  justify-content: center;
  opacity: 0; animation: showcaseRise .9s .56s cubic-bezier(.2,.7,.2,1) forwards;
}
.solutions-showcase .showcase-chips span {
  font-size: .8rem; font-weight: 600; letter-spacing: .04em;
  color: #eafff6; padding: 7px 14px; border-radius: 999px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(4px);
}
.showcase-scrollcue {
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%); z-index: 3;
  width: 24px; height: 38px; border: 2px solid rgba(255,255,255,.5); border-radius: 14px;
  opacity: 0; animation: showcaseRise 1s .8s ease forwards;
}
.showcase-scrollcue::after {
  content: ""; position: absolute; left: 50%; top: 7px; transform: translateX(-50%);
  width: 4px; height: 8px; border-radius: 2px; background: #fff;
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot { 0%,100%{ transform: translate(-50%,0); opacity:1 } 50%{ transform: translate(-50%,10px); opacity:.3 } }
@keyframes showcaseRise { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  .solutions-showcase .showcase-bg { animation: none; transform: scale(1.04); }
  .solutions-showcase .eyebrow,
  .solutions-showcase h1,
  .solutions-showcase .showcase-lead,
  .solutions-showcase .showcase-chips,
  .showcase-scrollcue { animation: none; opacity: 1; transform: none; }
  .showcase-scrollcue::after { animation: none; }
}

/* ===== About page — video hero + intelligent-engineering block ===== */
.about-hero {
  position: relative;
  min-height: 62vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--ngs-deep);
  isolation: isolate;
}
.about-hero-video {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover;            /* fills frame at any ratio — no stretching */
  object-position: center;
}
.about-hero-scrim {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(7,32,31,.55) 0%, rgba(7,32,31,.30) 45%, rgba(7,32,31,.70) 100%),
    linear-gradient(90deg, rgba(7,32,31,.55) 0%, rgba(7,32,31,.10) 60%);
}
.about-hero-inner {
  position: relative; z-index: 2;
  padding-top: var(--space-2xl); padding-bottom: var(--space-2xl);
  text-align: center;
}
.about-hero-inner .eyebrow { color: var(--ngs-bright); }
.about-hero-inner h1 { color: #fff; text-shadow: 0 2px 40px rgba(0,0,0,.45); }
.about-hero-lede {
  font-size: 1.15rem; line-height: 1.7; color: #e7f1ee; margin-top: var(--space-md);
  text-shadow: 0 1px 20px rgba(0,0,0,.5);
}

.about-intel-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: var(--space-2xl);
  align-items: center;
}
.about-intel-text h2 { margin: var(--space-sm) 0 var(--space-md); }
.about-intel-text p { color: var(--ink-soft); line-height: 1.7; margin-bottom: var(--space-md); }
.about-intel-visual { position: relative; }
.about-intel-visual img {
  width: 100%; height: auto; display: block;
  filter: drop-shadow(0 30px 60px rgba(8,40,38,.18));
  animation: intelFloat 7s ease-in-out infinite alternate;
}
@keyframes intelFloat { from { transform: translateY(-6px); } to { transform: translateY(8px); } }
@media (max-width: 880px) {
  .about-intel-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .about-hero { min-height: 52vh; }
}
@media (prefers-reduced-motion: reduce) {
  .about-intel-visual img { animation: none; }
}

/* About page — tighter section rhythm (reduce section-to-section gaps) */
.page-about .section { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }
.page-about .about-intel { padding-top: var(--space-2xl); }

/* ===== Stormwater hero — desert→city iframe background ===== */
.sw-hero { position: relative; overflow: hidden; isolation: isolate; min-height: 70vh; display: flex; align-items: center; background: var(--ngs-deep); }
.sw-hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; z-index: 0; }
.sw-hero-scrim { position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(90deg, rgba(7,32,31,.86) 0%, rgba(7,32,31,.55) 42%, rgba(7,32,31,.10) 70%, rgba(7,32,31,0) 100%); }
.sw-hero-inner { position: relative; z-index: 2; width: 100%; padding: var(--space-2xl) 0; pointer-events: none; }
.sw-hero-inner a, .sw-hero-inner button { pointer-events: auto; }
.sw-hero-inner .eyebrow { color: var(--ngs-bright); }
.sw-hero-inner h1, .sw-hero-inner .div-hero-meta strong { color: #fff; }
.sw-hero-inner p, .sw-hero-inner .div-hero-meta span { color: #dfeee9; }
.sw-hero-inner h1 { text-shadow: 0 2px 30px rgba(0,0,0,.45); }

/* water-cube embed in What is SuDS */
.suds-cube-embed { width: 100%; aspect-ratio: 1464/854; border: 0; border-radius: 12px; display: block;
  box-shadow: 0 18px 44px -22px rgba(8,40,38,.4); background: #fff; }
/* the cube's container should hug the cube, not force a tall 4/5 frame */
.content-split-image:has(.suds-cube-embed),
.content-split-image-cube {
  aspect-ratio: auto;
  background: transparent;
  border-radius: 0;
  overflow: visible;
  align-self: center;
}

/* ===== SuDS four-function flip cards ===== */
.suds-flip-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
.suds-flip { perspective: 1200px; aspect-ratio: 3/4.3; cursor: pointer; outline: none; }
.suds-flip-inner { position: relative; width: 100%; height: 100%; transition: transform .7s cubic-bezier(.4,.2,.2,1); transform-style: preserve-3d; }
.suds-flip.is-flipped .suds-flip-inner { transform: rotateY(180deg); }
.suds-flip-front, .suds-flip-back { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: 8px; overflow: hidden; }
.suds-flip-front { background: var(--white); border: 1px solid var(--border-soft); padding: var(--space-lg); display: flex; flex-direction: column;
  border-radius: 10px; box-shadow: 0 1px 3px rgba(11,31,30,.06); transition: box-shadow .3s ease, border-color .3s ease, transform .3s ease; }
.suds-flip:hover .suds-flip-front { border-color: var(--ngs-bright); box-shadow: 0 14px 34px -16px rgba(31,189,169,.45), 0 0 0 1px rgba(31,189,169,.25) inset; transform: translateY(-3px); }
/* per-card brand accents (brand book palette) */
.suds-flip:nth-child(1) .suds-flip-front { border-top: 3px solid var(--ngs-deep); }
.suds-flip:nth-child(2) .suds-flip-front { border-top: 3px solid var(--teal-mid, #147F7C); }
.suds-flip:nth-child(3) .suds-flip-front { border-top: 3px solid var(--ngs-bright); }
.suds-flip:nth-child(4) .suds-flip-front { border-top: 3px solid var(--emerald, #16A34A); }
.suds-flip:nth-child(1) .product-icon, .suds-flip:nth-child(1) .suds-flip-hint { color: var(--ngs-deep); }
.suds-flip:nth-child(2) .product-icon, .suds-flip:nth-child(2) .suds-flip-hint { color: #147F7C; }
.suds-flip:nth-child(3) .product-icon, .suds-flip:nth-child(3) .suds-flip-hint { color: var(--ngs-bright); }
.suds-flip:nth-child(4) .product-icon, .suds-flip:nth-child(4) .suds-flip-hint { color: #16A34A; }
.suds-flip:nth-child(1):hover .suds-flip-front { border-color: var(--ngs-deep); box-shadow: 0 14px 34px -16px rgba(14,91,89,.5), 0 0 0 1px rgba(14,91,89,.3) inset; transform: translateY(-3px); }
.suds-flip:nth-child(2):hover .suds-flip-front { border-color: #147F7C; box-shadow: 0 14px 34px -16px rgba(20,127,124,.5), 0 0 0 1px rgba(20,127,124,.3) inset; transform: translateY(-3px); }
.suds-flip:nth-child(3):hover .suds-flip-front { border-color: var(--ngs-bright); box-shadow: 0 14px 34px -16px rgba(31,189,169,.5), 0 0 0 1px rgba(31,189,169,.3) inset; transform: translateY(-3px); }
.suds-flip:nth-child(4):hover .suds-flip-front { border-color: #16A34A; box-shadow: 0 14px 34px -16px rgba(22,163,74,.5), 0 0 0 1px rgba(22,163,74,.3) inset; transform: translateY(-3px); }
.suds-flip-front h4 { margin: var(--space-sm) 0; }
.suds-flip-front p { color: var(--ink-soft); font-size: .88rem; line-height: 1.55; flex: 1; overflow: hidden; }
.suds-flip-hint { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ngs-bright); margin-top: auto; padding-top: var(--space-sm); flex-shrink: 0; }
.suds-flip-back { transform: rotateY(180deg); background-size: cover; background-position: center; background-color: var(--ngs-deep); display: flex; align-items: flex-end; }
.suds-flip-back-label { width: 100%; padding: 14px 16px; color: #fff; font-weight: 700; font-size: .9rem;
  background: linear-gradient(0deg, rgba(7,32,31,.85), rgba(7,32,31,0)); }
.suds-flip:focus-visible .suds-flip-front { outline: 2px solid var(--ngs-bright); outline-offset: 2px; }
@media (max-width: 860px){ .suds-flip-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 480px){ .suds-flip-grid { grid-template-columns: 1fr; } .suds-flip{ aspect-ratio: 16/10; } }
@media (prefers-reduced-motion: reduce){ .suds-flip-inner { transition: none; } }

/* ===== Case study highlights slider (Projects page) ===== */
.case-slider { position: relative; }
.case-slide { display: none; animation: caseFade .5s ease; }
.case-slide.is-active { display: block; }
@keyframes caseFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.case-slider-controls { display: flex; gap: 8px; justify-content: center; margin-top: var(--space-lg); }
.case-dot { width: 9px; height: 9px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(14,91,89,.25); transition: background .3s, width .3s; padding: 0; }
.case-dot.is-active { background: var(--ngs-deep); width: 26px; border-radius: 5px; }

/* ===== FAQ section (SEO/AEO) ===== */
.faq-section .faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { padding: var(--space-md) 0; border-bottom: 1px solid var(--border-soft); }
.faq-item:first-child { border-top: 1px solid var(--border-soft); }
.faq-q { font-family: var(--font-display, Fraunces, Georgia, serif); font-size: 1.12rem; color: var(--ngs-deep); margin: 0 0 .5rem; line-height: 1.35; }
.faq-a { color: var(--ink-soft); line-height: 1.65; margin: 0; }

/* ===== Division page — full-background hero (clean reset) ===== */
.div-hero-bg {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 70vh;            /* match stormwater hero */
  overflow: hidden;
  background: var(--ngs-deep);
  isolation: isolate;
}
.div-hero-bg-img {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.div-hero-bg-video {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}
.div-hero-bg-scrim {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  /* identical to the stormwater hero scrim */
  background: linear-gradient(90deg, rgba(7,32,31,.86) 0%, rgba(7,32,31,.55) 42%, rgba(7,32,31,.10) 70%, rgba(7,32,31,0) 100%);
}
/* flush-left inner, identical to .sw-hero-inner — text rides the grid's left column */
.div-hero-bg-inner { position: relative; z-index: 2; width: 100%; padding: var(--space-2xl) 0; }
.div-hero-bg-inner .eyebrow { color: var(--ngs-bright); }
.div-hero-bg-inner h1 { color: #fff; text-shadow: 0 2px 24px rgba(0,0,0,.4); }
.div-hero-bg-lead { font-size: 1.1rem; line-height: 1.7; color: #e7f1ee; margin-top: var(--space-md); text-shadow: 0 1px 14px rgba(0,0,0,.45); }
.div-hero-bg-inner .div-hero-meta strong { color: #fff; }
.div-hero-bg-inner .div-hero-meta span { color: #cfe3de; }

/* comfortable side padding on small screens for the full-bleed heroes
   (stormwater + div-hero-bg) so flush-left text isn't cramped at the edge */
@media (max-width: 860px) {
  .sw-hero-inner,
  .div-hero-bg-inner { padding-left: var(--space-lg); padding-right: var(--space-lg); }
}

/* ===== Why-NGS cards — brand-color accents ===== */
.why-ngs-grid .solution-card { border-top: 3px solid var(--ngs-bright); transition: box-shadow .3s, transform .3s, border-color .3s; }
.why-ngs-grid .solution-card:nth-child(1) { border-top-color: var(--ngs-deep); }
.why-ngs-grid .solution-card:nth-child(2) { border-top-color: #147F7C; }
.why-ngs-grid .solution-card:nth-child(3) { border-top-color: var(--ngs-bright); }
.why-ngs-grid .solution-card:nth-child(4) { border-top-color: #16A34A; }
.why-ngs-grid .solution-card:nth-child(5) { border-top-color: #147F7C; }
.why-ngs-grid .solution-card:nth-child(6) { border-top-color: var(--ngs-deep); }
.why-ngs-grid .solution-card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px -16px rgba(14,91,89,.4); }
.why-ngs-grid .solution-card .solution-card-number { color: var(--ngs-bright); font-weight: 700; }
.why-ngs-grid .solution-card:nth-child(1) .solution-card-number { color: var(--ngs-deep); }
.why-ngs-grid .solution-card:nth-child(4) .solution-card-number { color: #16A34A; }

/* =========================================================
   CONTACT PAGE — image banner hero + video closing band
   ========================================================= */

/* ---- Top banner hero (sunset cityscape + brand network) ---- */
.contact-hero {
  position: relative;
  min-height: 58vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--ngs-deep);
  isolation: isolate;
}
.contact-hero-img {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 42%;
  animation: contact-hero-drift 22s ease-in-out infinite alternate;
}
@keyframes contact-hero-drift {
  from { transform: scale(1.04) translateY(0); }
  to   { transform: scale(1.10) translateY(-1.5%); }
}
.contact-hero-scrim {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(ellipse 78% 86% at 50% 56%, rgba(7,32,31,.62) 0%, rgba(7,32,31,.14) 68%, transparent 100%),
    linear-gradient(180deg, rgba(7,32,31,.34) 0%, rgba(7,32,31,.16) 38%, rgba(7,32,31,.80) 100%);
}
.contact-hero-inner {
  position: relative; z-index: 2;
  padding-top: var(--space-2xl); padding-bottom: var(--space-2xl);
  text-align: center;
}
.contact-hero-inner .eyebrow { color: var(--light-teal); }
.contact-hero-inner h1 { color: #fff; text-shadow: 0 2px 40px rgba(0,0,0,.5); }
.contact-hero-lede {
  font-size: 1.15rem; line-height: 1.7; color: #e9f3ef;
  margin-top: var(--space-md);
  text-shadow: 0 1px 22px rgba(0,0,0,.55);
}

/* ---- Full-width video band (sits where the map placeholder was) ---- */
.contact-video-band {
  position: relative;
  width: 100%;
  height: 56vh;
  min-height: 360px;
  max-height: 640px;
  overflow: hidden;
  background: var(--ink);
  isolation: isolate;
}
.contact-video-band-media {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  animation: contact-video-zoom 26s ease-in-out infinite alternate;
}
@keyframes contact-video-zoom {
  from { transform: scale(1.02); }
  to   { transform: scale(1.09); }
}
.contact-video-band-scrim {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(7,32,31,.30) 0%, rgba(11,31,30,.10) 50%, rgba(11,31,30,.42) 100%),
    linear-gradient(90deg, rgba(14,91,89,.22) 0%, rgba(7,32,31,.04) 60%);
}

@media (max-width: 768px) {
  .contact-hero { min-height: 50vh; }
  .contact-video-band { height: 44vh; min-height: 300px; }
}

@media (prefers-reduced-motion: reduce) {
  .contact-hero-img,
  .contact-video-band-media { animation: none; transform: none; }
}

/* =========================================================
   GROUP PAGE — hero visual + restyled brand cards
   ========================================================= */

/* ---- Hero background (replaces the "dead" flat hero) ---- */
.group-hero { position: relative; overflow: hidden; }
.group-hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.ghb-glow { position: absolute; inset: 0;
  background:
    radial-gradient(58% 75% at 50% -12%, rgba(45,157,154,.18), transparent 62%),
    radial-gradient(42% 60% at 10% 118%, rgba(20,127,124,.13), transparent 60%),
    radial-gradient(42% 60% at 90% 122%, rgba(22,163,74,.10), transparent 60%);
}
.ghb-rings { position: absolute; top: 50%; left: 50%;
  width: 1200px; height: 1200px; transform: translate(-50%, -50%);
  background: repeating-radial-gradient(circle at center, transparent 0 70px, rgba(20,127,124,.07) 70px 71px);
  -webkit-mask-image: radial-gradient(circle at center, transparent 0 26%, #000 40% 66%, transparent 84%);
          mask-image: radial-gradient(circle at center, transparent 0 26%, #000 40% 66%, transparent 84%);
}
.ghb-droplet { position: absolute; right: 7%; top: 16%; width: 116px; height: 116px;
  color: rgba(45,157,154,.10); transform: rotate(-12deg); }
.ghb-droplet svg { width: 100%; height: 100%; }
@media (max-width: 760px) {
  .ghb-droplet { display: none; }
  .ghb-rings { width: 760px; height: 760px; }
}

/* ---- Brand cards ---- */
.group-brands {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(248px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-xl);
}
.brand-card {
  position: relative;
  display: flex; flex-direction: column;
  background: #fff;
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: 1.5rem 1.4rem 1.4rem;
  overflow: hidden;
  box-shadow: 0 4px 18px -12px rgba(14,91,89,.25);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.brand-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: var(--brand-accent, var(--mid-teal));
}
.brand-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 46px -22px rgba(14,91,89,.42);
  border-color: var(--brand-accent, var(--mid-teal));
}
.brand-card.is-featured {
  border-color: var(--brand-accent);
  background: linear-gradient(180deg, rgba(45,157,154,.07), #fff 58%);
}
.brand-card.is-soon { background: var(--bg-soft); }
.brand-card.is-soon::before {
  background: repeating-linear-gradient(90deg, var(--brand-accent) 0 9px, transparent 9px 16px);
  opacity: .5;
}
.brand-flag {
  position: absolute; top: 16px; right: -32px;
  background: var(--mid-teal); color: #fff;
  font-size: .58rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  padding: .32rem 2.4rem; transform: rotate(35deg);
  box-shadow: 0 4px 10px rgba(14,91,89,.3);
}
.brand-card-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: .75rem; margin-bottom: 1rem;
}
.brand-logo-tile {
  width: 74px; height: 74px; flex: none;
  background: #fff; border: 1px solid var(--border-soft); border-radius: 14px;
  display: flex; align-items: center; justify-content: center; padding: 12px; overflow: hidden;
}
.brand-logo-tile img { width: 100%; height: 100%; object-fit: contain; }
.brand-logo-tile.ngs-tile { background: var(--deep-teal); border-color: var(--deep-teal); padding: 15px; }
.brand-logo-tile.net-tile {
  background: var(--bg); border: 2px dashed var(--mid-teal);
  font-family: var(--font-sans); font-weight: 700; font-size: 1.35rem;
  color: var(--mid-teal); letter-spacing: .02em;
}
.brand-year {
  font-size: .67rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--brand-accent, var(--deep-teal));
  background: color-mix(in srgb, var(--brand-accent, #2D9D9A) 13%, transparent);
  border-radius: 999px; padding: .35rem .7rem; white-space: nowrap;
}
.brand-year.is-soon-chip { color: var(--muted); background: rgba(0,0,0,.05); }
.brand-card h4 { margin: 0 0 .35rem; font-size: 1.12rem; line-height: 1.25; }
.brand-tag {
  display: inline-block; font-size: .72rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: .7rem;
}
.brand-card p { font-size: .92rem; line-height: 1.6; color: var(--ink-soft); margin: 0; flex: 1; }
.brand-card p em { color: var(--deep-teal); font-style: italic; }
.brand-link {
  margin-top: 1rem; align-self: flex-start;
  font-size: .78rem; font-weight: 700; letter-spacing: .06em;
  color: var(--brand-accent, var(--deep-teal)); text-decoration: none;
  transition: opacity .2s ease;
}
.brand-link:hover { opacity: .65; }

/* =========================================================
   WATERPROOFING — "System Range" deep-teal water feature band
   ========================================================= */
.wp-range {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(165deg, #0E5B59 0%, #0A4A48 52%, #073231 100%);
}
.wp-range > .container { position: relative; z-index: 2; }

/* concentric water ripples, top-right */
.wp-range-ripples {
  position: absolute; z-index: 0; pointer-events: none;
  top: -14%; right: -10%;
  width: 820px; height: 820px;
  background: repeating-radial-gradient(circle at center, transparent 0 48px, rgba(127,224,191,.10) 48px 50px);
  -webkit-mask-image: radial-gradient(circle at center, #000 0 58%, transparent 76%);
          mask-image: radial-gradient(circle at center, #000 0 58%, transparent 76%);
  animation: wp-ripple 18s ease-in-out infinite alternate;
}
@keyframes wp-ripple { from { transform: scale(1); opacity: .9; } to { transform: scale(1.08); opacity: 1; } }

/* soft sheen + accent glow */
.wp-range-glow {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(48% 60% at 86% 12%, rgba(45,157,154,.40), transparent 62%),
    radial-gradient(60% 55% at 8% 104%, rgba(22,163,74,.14), transparent 60%);
}

/* header text on the dark band */
.wp-range .section-header .eyebrow { color: var(--light-teal); }
.wp-range .section-header h2 { color: #fff; }
.wp-range .section-header p { color: #d6e9e4; }

/* white cards pop on the dark band */
.wp-range .product-card {
  background: #fff;
  border-color: rgba(255,255,255,.12);
  box-shadow: 0 18px 40px -22px rgba(0,0,0,.55);
}
.wp-range .product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 28px 56px -24px rgba(0,0,0,.6);
}

@media (prefers-reduced-motion: reduce) {
  .wp-range-ripples { animation: none; }
}

/* =========================================================
   MULTI-PAGE UPDATE — feature bands, weave pattern,
   techdoc header, coming-soon chips, atom glow
   ========================================================= */

/* ---- Generic deep-teal water feature band (Geosynthetics "Six Functions") ---- */
.feature-band {
  position: relative; overflow: hidden; isolation: isolate;
  background: linear-gradient(165deg, #0E5B59 0%, #0A4A48 52%, #073231 100%);
}
.feature-band > .container { position: relative; z-index: 2; }
.feature-band-ripples {
  position: absolute; z-index: 0; pointer-events: none;
  top: -14%; right: -10%; width: 820px; height: 820px;
  background: repeating-radial-gradient(circle at center, transparent 0 48px, rgba(127,224,191,.10) 48px 50px);
  -webkit-mask-image: radial-gradient(circle at center, #000 0 58%, transparent 76%);
          mask-image: radial-gradient(circle at center, #000 0 58%, transparent 76%);
  animation: wp-ripple 18s ease-in-out infinite alternate;
}
.feature-band-glow {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(48% 60% at 86% 12%, rgba(45,157,154,.40), transparent 62%),
    radial-gradient(60% 55% at 8% 104%, rgba(22,163,74,.14), transparent 60%);
}
.feature-band .section-header .eyebrow { color: var(--light-teal); }
.feature-band .section-header h2 { color: #fff; }
.feature-band .section-header p { color: #d6e9e4; }
.feature-band .product-card {
  background: #fff; border-color: rgba(255,255,255,.12);
  box-shadow: 0 18px 40px -22px rgba(0,0,0,.55);
}
.feature-band .product-card:hover { transform: translateY(-5px); box-shadow: 0 28px 56px -24px rgba(0,0,0,.6); }

/* ---- Subtle geogrid-weave band (Geosynthetics "Product Catalog") ---- */
.weave-band {
  position: relative; isolation: isolate; overflow: hidden;
  background: linear-gradient(180deg, var(--bg) 0%, #EEF5F2 100%);
}
.weave-band > .container { position: relative; z-index: 1; }
.weave-band-tex {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    repeating-linear-gradient(45deg, rgba(14,91,89,.05) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(-45deg, rgba(14,91,89,.05) 0 1px, transparent 1px 26px);
  -webkit-mask-image: radial-gradient(120% 95% at 50% 0%, #000 28%, transparent 86%);
          mask-image: radial-gradient(120% 95% at 50% 0%, #000 28%, transparent 86%);
}

/* ---- Technical Documents — blueprint/grid themed header ---- */
.techdoc-hero { position: relative; overflow: hidden; }
.techdoc-hero-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg,  rgba(14,91,89,.055) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(90deg, rgba(14,91,89,.055) 0 1px, transparent 1px 34px),
    radial-gradient(55% 70% at 88% 6%, rgba(45,157,154,.16), transparent 60%),
    radial-gradient(45% 60% at 6% 100%, rgba(20,127,124,.10), transparent 60%);
  -webkit-mask-image: linear-gradient(180deg, #000 0 70%, transparent 100%);
          mask-image: linear-gradient(180deg, #000 0 70%, transparent 100%);
}

/* ---- Coming-soon chips ---- */
.article-soon {
  display: inline-block; margin-top: .25rem;
  font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--mid-teal); background: rgba(45,157,154,.10);
  border-radius: 999px; padding: .3rem .75rem;
}
.ds-soon {
  display: inline-block; margin-top: .85rem;
  font-size: .66rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); background: rgba(14,91,89,.07);
  border-radius: 999px; padding: .28rem .65rem;
}

/* ---- Group atom — soft creative glow behind the diagram ---- */
.group-atom::before {
  content: ""; position: absolute; inset: -8%; z-index: 0; border-radius: 50%;
  background: radial-gradient(circle at 50% 46%, rgba(45,157,154,.12), transparent 62%);
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .feature-band-ripples { animation: none; }
}

/* =========================================================
   AQUACELL FAMILIES COMPARISON (Geo-Cellular vs EXO)
   ========================================================= */
.ac-compare-band { position: relative; overflow: hidden; isolation: isolate; }
.ac-compare-glow {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(50% 60% at 85% 0%, rgba(45,157,154,.10), transparent 60%),
    radial-gradient(45% 55% at 5% 100%, rgba(20,127,124,.08), transparent 60%);
}
.ac-compare-band > .container { position: relative; z-index: 1; }
.ac-compare-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg);
  margin-top: var(--space-xl);
}
@media (max-width: 760px){ .ac-compare-grid { grid-template-columns: 1fr; } }
.ac-card {
  position: relative; background: #fff; border: 1px solid var(--border-soft);
  border-radius: 16px; padding: 1.8rem; overflow: hidden;
  box-shadow: 0 10px 30px -18px rgba(14,91,89,.28);
  transition: transform .3s ease, box-shadow .3s ease;
}
.ac-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--mid-teal); }
.ac-card:hover { transform: translateY(-5px); box-shadow: 0 22px 46px -22px rgba(14,91,89,.42); }
.ac-card-premium { background: linear-gradient(180deg, rgba(45,157,154,.06), #fff 58%); border-color: var(--ngs-deep); }
.ac-card-premium::before { background: linear-gradient(90deg, var(--ngs-deep), var(--mid-teal)); }
.ac-flag {
  position: absolute; top: 16px; right: -34px; background: var(--ngs-deep); color: #fff;
  font-size: .6rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  padding: .34rem 2.6rem; transform: rotate(35deg); box-shadow: 0 4px 10px rgba(14,91,89,.3);
}
.ac-tag {
  display: inline-block; font-size: .68rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ngs-deep); background: rgba(45,157,154,.12);
  border-radius: 999px; padding: .3rem .75rem; margin-bottom: .7rem;
}
.ac-card-head h3 { margin: 0 0 .3rem; font-size: 1.4rem; }
.ac-tagline { margin: 0 0 1.2rem; color: var(--ink-soft); font-size: .95rem; line-height: 1.5; }
.ac-spec { list-style: none; margin: 0; padding: 0; }
.ac-spec li {
  display: grid; grid-template-columns: 96px 1fr; gap: 1rem; align-items: baseline;
  padding: .7rem 0; border-top: 1px solid var(--border-soft); font-size: .9rem;
}
.ac-spec li span { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.ac-spec li strong { color: var(--ink); font-weight: 600; }
.ac-spec li strong em { color: var(--ngs-deep); font-style: normal; font-weight: 700; }
.ac-compare-cta {
  margin-top: var(--space-lg); text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: .8rem;
}
.ac-compare-cta p { margin: 0; color: var(--ink-soft); }

/* ---- Technical Documents: family-grouped downloads ---- */
.ds-family-title { font-size: 1.05rem; margin: var(--space-lg) 0 .9rem; color: var(--ngs-deep); }
.ds-family-title span { font-weight: 400; font-size: .82rem; color: var(--muted); letter-spacing: .02em; }
.ds-dl { text-decoration: none; color: inherit; display: block; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.ds-dl:hover { transform: translateY(-4px); border-color: var(--mid-teal); box-shadow: 0 18px 40px -22px rgba(14,91,89,.4); }
.ds-get { display: inline-block; margin-top: .9rem; font-size: .78rem; font-weight: 700; letter-spacing: .06em; color: var(--ngs-deep); }

/* =========================================================
   NAV — one-line labels + Solutions mega-menu with poster
   ========================================================= */
.nav-links { gap: 1.15rem; }
.nav-links a { font-size: .77rem; letter-spacing: .05em; white-space: nowrap; }
.nav-links li { white-space: nowrap; }

/* Mega-menu panel */
.nav-mega {
  left: 0 !important;
  transform: translateY(-8px) !important;
  width: 760px; min-width: 760px;
  padding: 1.5rem !important;
  display: flex; gap: 1.4rem;
}
.nav-dropdown:hover .nav-mega, .nav-mega:hover { transform: translateY(0) !important; }
.mega-items { display: grid; grid-template-columns: repeat(3, 1fr); gap: .3rem .8rem; flex: 1; align-content: start; }
.mega-item {
  display: flex !important; align-items: center; gap: .75rem;
  padding: .65rem .6rem !important; border-radius: 8px;
  text-transform: none !important; letter-spacing: 0 !important;
}
.mega-item::after { display: none !important; }
.mega-item:hover { background: var(--bg-soft); padding-left: .6rem !important; }
.mega-ic {
  width: 40px; height: 40px; flex: none; color: var(--ngs-deep);
  display: grid; place-items: center; border: 1px solid var(--border-soft); border-radius: 9px;
}
.mega-ic svg { width: 21px; height: 21px; }
.mega-tx { line-height: 1.25; }
.mega-tx strong { display: block; font-size: .9rem; font-weight: 600; color: var(--ink); }
.mega-tx span { font-size: .72rem; color: var(--muted); }
.mega-poster {
  width: 220px; flex: none; position: relative; border-radius: 10px; overflow: hidden;
  background: #073231;
}
.mega-poster-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(160deg, rgba(7,50,49,.62), rgba(7,50,49,.95)), url('assets/photos/divisions/suds-passive-irrigation.jpg');
  background-size: cover; background-position: center;
}
.mega-poster-inner {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: flex-end; padding: 1.4rem;
}
.mega-poster h4 { color: #fff; font-size: 1.02rem; line-height: 1.3; margin: 0 0 .7rem; font-family: var(--font-display); font-weight: 500; }
.mega-poster-cta { color: var(--light-teal) !important; font-weight: 700; font-size: .78rem; letter-spacing: .04em; text-transform: uppercase; padding: 0 !important; }

/* Mobile / half-width fix: stack the mega-menu inside the hamburger, hide poster, accordion toggle */
@media (max-width: 1240px) {
  .nav-dropdown-panel { display: none !important; opacity: 1 !important; transform: none !important; }
  .nav-dropdown-panel.open { display: block !important; }
  .nav-mega {
    position: static !important; width: auto !important; min-width: 0 !important; max-width: 100% !important;
    transform: none !important; display: block !important; padding: .25rem 0 .5rem !important; gap: 0 !important;
    box-shadow: none !important; border: none !important; background: var(--cloud-dancer-soft) !important;
  }
  .mega-items { display: grid !important; grid-template-columns: 1fr !important; gap: 0 !important; }
  .mega-item { padding: .85rem .4rem !important; }
  .mega-poster { display: none !important; }
}

@media (max-width: 1024px) {
  .nav-mega { width: auto; min-width: 0; flex-direction: column; gap: .5rem; padding: .5rem !important; }
  .mega-items { grid-template-columns: 1fr; }
  .mega-poster { display: none; }
}

/* Fix: poster is an <a> — stop it inheriting nav uppercase/nowrap */
.mega-poster, .mega-poster h4, .mega-poster-inner { white-space: normal !important; text-transform: none !important; letter-spacing: normal !important; }
.mega-poster::after { display: none !important; }
.mega-poster:hover { background: #073231; }
.mega-poster-cta { white-space: nowrap !important; }
.mega-item strong, .mega-item span { white-space: normal; }

/* Tighten nav so all items fit one line down to ~1240px */
.nav-inner { gap: 1.25rem; }
.nav-links { gap: .9rem; }
.nav-links a { font-size: .75rem; letter-spacing: .04em; }

/* =========================================================
   PROJECTS hub + CASE STUDY pages
   ========================================================= */
.cs-hero { position: relative; overflow: hidden; background: linear-gradient(165deg,#0E5B59 0%,#0A4A48 55%,#073231 100%); color:#fff; }
.cs-hero .container { position: relative; z-index: 2; padding-top: var(--space-2xl); padding-bottom: var(--space-2xl); }
.cs-hero-ripples { position:absolute; inset:0; z-index:0; pointer-events:none; background: repeating-radial-gradient(circle at 82% -8%, transparent 0 60px, rgba(127,224,191,.07) 60px 62px); }
.cs-hero .eyebrow { color: var(--light-teal); }
.cs-hero h1 { color:#fff; max-width: 820px; }
.cs-hero .cs-lead { color:#d6e9e4; font-size:1.12rem; line-height:1.7; max-width:720px; margin-top:var(--space-md); }
.cs-stats { display:flex; flex-wrap:wrap; gap:0; margin-top:var(--space-xl); border:1px solid rgba(255,255,255,.18); border-radius:12px; overflow:hidden; }
.cs-stat { flex:1; min-width:140px; padding:1.1rem 1.3rem; border-right:1px solid rgba(255,255,255,.14); }
.cs-stat:last-child { border-right:0; }
.cs-stat b { font-family:var(--font-display); font-size:1.5rem; font-weight:600; display:block; line-height:1.1; }
.cs-stat span { font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:#9fd6c8; }
.cs-detail { display:grid; grid-template-columns: repeat(2,1fr); gap:1rem; margin-top:var(--space-lg); }
@media (max-width:680px){ .cs-detail { grid-template-columns:1fr; } }
.cs-detail-item { background:var(--bg-soft); border:1px solid var(--border-soft); border-radius:10px; padding:1rem 1.2rem; }
.cs-detail-item b { display:block; font-size:.7rem; letter-spacing:.08em; text-transform:uppercase; color:var(--muted); margin-bottom:.3rem; }
.cs-detail-item span { color:var(--ink); font-weight:500; }
.cs-block { margin-top:var(--space-lg); }
.cs-block h2 { font-size:1.4rem; margin-bottom:.6rem; }
.cs-block p { color:var(--ink-soft); line-height:1.75; }
.cs-partners { display:flex; flex-wrap:wrap; gap:.6rem; margin-top:var(--space-md); }
.cs-partner { font-size:.8rem; font-weight:600; color:var(--ngs-deep); background:var(--bg-soft); border:1px solid var(--border-soft); border-radius:999px; padding:.45rem .9rem; }
/* hub */
.proj-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:var(--space-lg); margin-top:var(--space-xl); }
@media (max-width:900px){ .proj-grid { grid-template-columns:1fr; } }
.proj-card { display:flex; flex-direction:column; background:#fff; border:1px solid var(--border-soft); border-radius:14px; overflow:hidden; text-decoration:none; color:inherit; box-shadow:0 10px 30px -18px rgba(14,91,89,.28); transition:transform .3s ease, box-shadow .3s ease; }
.proj-card:hover { transform:translateY(-5px); box-shadow:0 22px 46px -22px rgba(14,91,89,.42); }
.proj-card-top { background:linear-gradient(150deg,#0E5B59,#073231); color:#fff; padding:1.4rem 1.4rem 1.2rem; position:relative; overflow:hidden; }
.proj-card-top .ripple { position:absolute; inset:0; background:repeating-radial-gradient(circle at 90% -10%, transparent 0 34px, rgba(127,224,191,.08) 34px 35px); }
.proj-card-top .eyebrow { color:var(--light-teal); position:relative; z-index:1; }
.proj-card-top h3 { color:#fff; font-size:1.18rem; margin-top:.3rem; position:relative; z-index:1; }
.proj-card-body { padding:1.3rem 1.4rem; flex:1; display:flex; flex-direction:column; }
.proj-card-body p { font-size:.92rem; color:var(--ink-soft); line-height:1.6; flex:1; }
.proj-card-stat { font-family:var(--font-display); font-size:1.3rem; color:var(--ngs-deep); font-weight:600; margin-bottom:.4rem; }
.proj-card-link { margin-top:1rem; font-size:.8rem; font-weight:700; letter-spacing:.06em; color:var(--ngs-deep); }