/* ═══════════════════════════════════════════════════════════════
   KIRND BIONANO  —  Bio-Nano Palette v3
   Deep ocean bioluminescence: living-cell greens, membrane blues,
   phospholipid purples, on abyssal black-green substrate
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* Substrate — deep ocean / cell interior */
  --navy:       #020D0A;   /* abyssal black-green */
  --surface:    #041410;   /* deep cell surface   */
  --deep:       #071C16;   /* organelle dark      */
  --raised:     #0C2B20;   /* elevated layer      */

  /* Bio-luminescent primaries */
  --bio-green:  #00FFB2;   /* ATP / chlorophyll glow    */
  --bio-green-dim:  rgba(0,255,178,0.11);
  --bio-green-glow: rgba(0,255,178,0.28);

  --membrane:   #00C9FF;   /* cell membrane blue        */
  --membrane-dim:  rgba(0,201,255,0.10);

  --phospho:    #8B5CF6;   /* phospholipid purple       */
  --phospho-dim:   rgba(139,92,246,0.14);
  --phospho-glow:  rgba(139,92,246,0.30);

  --helix:      #34D399;   /* DNA helix emerald         */
  --enzyme:     #F59E0B;   /* enzyme/energy amber       */
  --plasma:     #EC4899;   /* plasma membrane pink      */

  /* Text */
  --white:      #E8FFF8;   /* soft bio-white */
  --grey:       #6B9E8A;   /* muted organism green-grey */
  --rule:       rgba(0,255,178,0.10);

  /* Division accents */
  --div-nano:   #00FFB2;
  --div-bio:    #8B5CF6;
  --div-med:    #EC4899;
  --div-agri:   #34D399;
  --div-env:    #00C9FF;
  --div-ai:     #818CF8;
  --div-energy: #F59E0B;

  /* Aliases used in components */
  --teal:       var(--bio-green);
  --teal-dim:   var(--bio-green-dim);
  --teal-glow:  var(--bio-green-glow);
  --violet:     var(--phospho);
  --violet-dim: var(--phospho-dim);
  --indigo:     #818CF8;
  --indigo-dim: rgba(129,140,248,0.12);
  --amber:      var(--enzyme);

  --radius:    6px;
  --radius-lg: 12px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--navy);
  color: var(--grey);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  line-height: 1.75;
  overflow-x: hidden;
}

/* ── Membrane texture overlay ── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    radial-gradient(ellipse at 0% 0%, rgba(0,255,178,0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 100% 100%, rgba(139,92,246,0.05) 0%, transparent 50%),
    radial-gradient(circle at 1px 1px, rgba(0,255,178,0.035) 1px, transparent 0);
  background-size: 100% 100%, 100% 100%, 28px 28px;
}

/* ── Ambient glow orbs ── */
.glow-orb { position: absolute; border-radius: 50%; filter: blur(100px); pointer-events: none; z-index: 0; }
.glow-orb--teal   { background: radial-gradient(circle, rgba(0,255,178,0.16) 0%, transparent 70%); }
.glow-orb--violet { background: radial-gradient(circle, rgba(139,92,246,0.20) 0%, transparent 70%); }

/* ── Typography ── */
h1, h2, h3, .font-display {
  font-family: 'Orbitron', sans-serif;
  color: var(--white);
  letter-spacing: 0.015em;
  line-height: 1.12;
}
.mono, .label-mono {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bio-green);
}
a { color: inherit; text-decoration: none; }

/* ── Layout ── */
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; }

/* ═══════════════════════════════════════
   HEADER — single row, CSS dropdown
   ═══════════════════════════════════════ */
.site-header {
  position: sticky; top: 0; z-index: 200;
  background: rgba(2,13,10,0.95);
  backdrop-filter: blur(18px) saturate(180%);
  border-bottom: 1px solid var(--rule);
}
.nav-row {
  display: flex; align-items: center;
  height: 66px; padding: 0 32px; gap: 0;
}

/* Logo */
.logo {
  display: flex; align-items: center; gap: 11px;
  font-family: 'Orbitron', sans-serif; font-weight: 900; font-size: 15px;
  color: var(--white); white-space: nowrap; text-decoration: none;
  flex-shrink: 0; margin-right: 32px;
}
.logo__cell { position: relative; width: 36px; height: 36px; flex-shrink: 0; }
.logo__cell svg { width: 36px; height: 36px; display: block; }
.logo__name { line-height: 1.1; }
.logo__name small {
  display: block; font-family: 'Space Mono', monospace;
  font-weight: 400; font-size: 8px; color: var(--grey);
  letter-spacing: 0.16em; margin-top: 3px; text-transform: uppercase;
}

/* Nav — grows to fill center */
.site-nav {
  display: flex; align-items: stretch; flex: 1; gap: 0;
}

/* Each group */
.nav-group {
  position: relative;
}

/* Plain link AND dropdown trigger look identical */
.nav-link,
.nav-trigger {
  display: flex; align-items: center; gap: 5px;
  height: 66px; padding: 0 15px;
  font-family: 'Space Mono', monospace; font-size: 9.5px;
  letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--grey); white-space: nowrap; cursor: pointer;
  border: none; background: none;
  transition: color .18s;
  position: relative; text-decoration: none;
}
.nav-link:hover,
.nav-trigger:hover { color: var(--white); }

.nav-link.active,
.nav-trigger.active { color: var(--bio-green); }
.nav-link.active::after,
.nav-trigger.active::after {
  content: ''; position: absolute; bottom: 0; left: 15px; right: 15px;
  height: 2px; background: var(--bio-green);
  box-shadow: 0 0 8px var(--bio-green-glow);
}

.nav-caret {
  font-size: 7px; opacity: .45; display: inline-block;
  transition: transform .22s, opacity .22s;
}
.nav-group:hover .nav-caret { transform: rotate(180deg); opacity: .9; }

/* Dropdown — hidden by default, shown on group hover */
.nav-dropdown {
  position: absolute; top: 66px; left: 50%;
  transform: translateX(-50%) translateY(-4px);
  min-width: 210px;
  background: rgba(4,20,16,0.98);
  border: 1px solid rgba(0,255,178,0.14);
  border-top: 2px solid var(--bio-green);
  border-radius: 0 0 10px 10px;
  padding: 8px 6px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 56px rgba(0,0,0,0.7), 0 0 0 1px rgba(0,255,178,0.04);
  z-index: 300;
}
/* Show on group hover — works for both link and button trigger */
.nav-group:hover .nav-dropdown {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown a {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 12px; border-radius: 6px;
  font-family: 'Space Mono', monospace; font-size: 9px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--grey); white-space: nowrap;
  transition: color .15s, background .15s; text-decoration: none;
}
.nav-dropdown a:hover { color: var(--bio-green); background: var(--bio-green-dim); }
.nav-dropdown a.active { color: var(--bio-green); }
.nav-dropdown a::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: currentColor; flex-shrink: 0; opacity: .5;
}

/* CTA button — right side */
.nav-cta {
  margin-left: auto; flex-shrink: 0;
  display: flex; align-items: center; gap: 10px;
}
.nav-cta .header-tagline {
  font-family: 'Space Mono', monospace; font-size: 8.5px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(107,158,138,0.45); white-space: nowrap;
}

/* Hamburger — hidden on desktop */
.menu-btn {
  display: none; background: none; flex-shrink: 0;
  border: 1px solid var(--rule); color: var(--white);
  width: 34px; height: 34px; border-radius: 6px;
  font-size: 15px; cursor: pointer; transition: border-color .2s, color .2s;
  align-items: center; justify-content: center;
}
.menu-btn:hover { border-color: var(--bio-green); color: var(--bio-green); }

/* Mobile nav drawer */
.mobile-nav {
  display: none; flex-direction: column;
  background: rgba(2,13,10,0.98);
  border-top: 1px solid var(--rule);
  padding: 8px 18px 24px; max-height: 80vh; overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mobile-nav .m-section {
  font-family: 'Space Mono', monospace; font-size: 8px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(107,158,138,0.35); padding: 14px 10px 4px;
}
.mobile-nav a {
  padding: 9px 10px; border-radius: 6px;
  font-family: 'Space Mono', monospace; font-size: 9.5px;
  letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--grey); transition: color .18s; text-decoration: none;
}
.mobile-nav a:hover, .mobile-nav a.active { color: var(--bio-green); }

/* ═══════════════════════════════════════
   HERO
   ═══════════════════════════════════════ */
.hero {
  position: relative; overflow: hidden;
  padding: 110px 0 90px;
  border-bottom: 1px solid var(--rule);
}
.hero::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 100px;
  background: linear-gradient(to bottom, transparent, var(--navy));
  pointer-events: none; z-index: 1;
}
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }

.hero__eyebrow { margin-bottom: 18px; }
.hero__title {
  font-size: clamp(34px, 5.2vw, 62px); font-weight: 900;
  max-width: 860px; letter-spacing: -0.01em;
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--bio-green) 0%, var(--membrane) 55%, var(--phospho) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__lead {
  max-width: 560px; margin-top: 22px;
  font-size: 15px; line-height: 1.72; color: var(--grey);
}
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 36px; }

.hero__split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero__viewport {
  position: relative; z-index: 2; aspect-ratio: 1; border-radius: 50%;
  overflow: hidden;
  border: 1.5px solid rgba(0,255,178,0.22);
  box-shadow: 0 0 70px rgba(0,255,178,0.10), 0 0 140px rgba(139,92,246,0.08);
}
.hero__viewport img { width: 100%; height: 100%; object-fit: cover; }
.hero__viewport::before {
  content: ''; position: absolute; inset: 0; z-index: 2;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 3px,
    rgba(0,255,178,0.012) 3px, rgba(0,255,178,0.012) 4px
  );
  pointer-events: none;
}
.hero__viewport::after {
  content: ''; position: absolute; inset: 0; z-index: 3;
  background: radial-gradient(circle at 50% 50%, transparent 55%, rgba(2,13,10,0.75) 100%);
  pointer-events: none;
}
.hero__ring-label {
  position: absolute; bottom: -24px; left: 50%; transform: translateX(-50%);
  font-family: 'Space Mono', monospace; font-size: 8px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--bio-green); opacity: .55; white-space: nowrap;
}

/* Stat bar */
.stat-bar {
  display: flex; margin-top: 56px; z-index: 2; position: relative;
  border: 1px solid var(--rule); border-radius: var(--radius-lg);
  background: rgba(7,28,22,0.7); backdrop-filter: blur(8px); overflow: hidden;
}
.stat-item { flex: 1; padding: 22px 26px; border-right: 1px solid var(--rule); }
.stat-item:last-child { border-right: none; }
.stat-item__num {
  font-family: 'Orbitron', sans-serif; font-size: 28px; font-weight: 700;
  color: var(--bio-green); line-height: 1;
}
.stat-item__lbl {
  font-family: 'Space Mono', monospace; font-size: 9.5px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--grey); margin-top: 6px;
}

/* ═══════════════════════════════════════
   PAGE HERO
   ═══════════════════════════════════════ */
.page-hero {
  padding: 68px 0 56px;
  border-bottom: 1px solid var(--rule);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--bio-green), var(--membrane), var(--phospho), transparent);
}
.page-hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 80% 50%, rgba(0,255,178,0.04) 0%, transparent 60%);
}
.page-hero h1 { font-size: clamp(26px, 4vw, 42px); margin-top: 14px; }
.page-hero p  { max-width: 620px; margin-top: 16px; font-size: 15px; }
.page-hero__banner {
  margin-top: 34px; border-radius: var(--radius-lg);
  overflow: hidden; aspect-ratio: 21/6;
  border: 1px solid var(--rule); position: relative;
}
.page-hero__banner img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.7) saturate(1.3) hue-rotate(10deg);
}
.page-hero__banner::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(2,13,10,0.55) 0%, transparent 55%);
}

/* ═══════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════ */
.sec    { padding: 86px 0; position: relative; z-index: 1; }
.sec--alt {
  background: var(--surface);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.sec--dark { background: var(--deep); }

.sec__head { margin-bottom: 46px; max-width: 640px; }
.sec__head .label-mono { display: block; margin-bottom: 14px; }
.sec__head h2 { font-size: clamp(22px, 3vw, 30px); }
.sec__head p  { margin-top: 16px; font-size: 14px; line-height: 1.8; }

/* ═══════════════════════════════════════
   CARDS
   ═══════════════════════════════════════ */
.grid { display: grid; gap: 16px; }
.grid--3 { grid-template-columns: repeat(3,1fr); }
.grid--2 { grid-template-columns: repeat(2,1fr); }
.grid--4 { grid-template-columns: repeat(4,1fr); }

.card {
  background: var(--deep);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 26px;
  position: relative; overflow: hidden;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.card__accent {
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--bio-green), var(--membrane), var(--phospho));
  transform: scaleX(0); transform-origin: left;
  transition: transform .38s cubic-bezier(.22,1,.36,1);
}
.card:hover .card__accent { transform: scaleX(1); }
.card:hover {
  border-color: rgba(0,255,178,0.25);
  transform: translateY(-4px);
  box-shadow: 0 18px 52px rgba(0,0,0,0.45), 0 0 0 1px rgba(0,255,178,0.07);
}

.card .label-mono { display: block; margin-bottom: 14px; }
.card h3 {
  font-family: 'Inter', sans-serif; font-weight: 600;
  font-size: 14.5px; color: var(--white); margin-bottom: 10px;
}
.card p { font-size: 13px; line-height: 1.78; }
.card ul { margin-top: 12px; padding-left: 0; list-style: none; }
.card ul li {
  font-size: 12.5px; padding: 5px 0;
  border-bottom: 1px solid var(--rule);
  display: flex; align-items: center; gap: 10px;
}
.card ul li::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: var(--bio-green); flex-shrink: 0;
  box-shadow: 0 0 6px var(--bio-green);
}
.card ul li:last-child { border-bottom: none; }

/* Division colour variants */
.card--nano   { --card-accent: var(--div-nano);   }
.card--bio    { --card-accent: var(--div-bio);    }
.card--med    { --card-accent: var(--div-med);    }
.card--agri   { --card-accent: var(--div-agri);   }
.card--env    { --card-accent: var(--div-env);    }
.card--ai     { --card-accent: var(--div-ai);     }
.card--energy { --card-accent: var(--div-energy); }
[class*="card--"] .card__accent { background: linear-gradient(90deg, var(--card-accent), transparent); }

/* Image cards */
.card--img { padding: 0; }
.card--img .card__image {
  aspect-ratio: 16/9; overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0; position: relative;
}
.card--img .card__image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s; filter: brightness(0.82) saturate(1.2);
}
.card--img:hover .card__image img { transform: scale(1.04); }
.card--img .card__body { padding: 22px; }
.card--img .card__image::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 55%, rgba(2,13,10,0.55) 100%);
}

/* Circular image scope */
.scope {
  position: relative; margin: 0 auto 22px;
  width: 90px; height: 90px; border-radius: 50%; overflow: hidden;
  border: 1.5px solid rgba(0,255,178,0.2);
  box-shadow: 0 0 18px rgba(0,255,178,0.08);
}
.scope img { width: 100%; height: 100%; object-fit: cover; }

/* ═══════════════════════════════════════
   FEATURE SPLIT
   ═══════════════════════════════════════ */
.feature-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
}
.feature-split--flip { direction: rtl; }
.feature-split--flip > * { direction: ltr; }

.feature-img {
  border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4/3; position: relative;
  border: 1px solid var(--rule);
}
.feature-img img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.78) saturate(1.3) hue-rotate(8deg);
}
.feature-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,255,178,0.05) 0%, transparent 55%);
}
.feature-img::before {
  content: ''; position: absolute; left: 0; right: 0; height: 2px; z-index: 2;
  background: linear-gradient(90deg, transparent, var(--bio-green), transparent);
  opacity: .45; animation: scan 4.5s linear infinite;
}
@keyframes scan { 0%{ top:-4px; } 100%{ top:100%; } }

/* ═══════════════════════════════════════
   GALLERY
   ═══════════════════════════════════════ */
.gallery { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.gallery__item {
  aspect-ratio: 4/3; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--rule); position: relative;
}
.gallery__item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s, filter .5s;
  filter: brightness(0.72) saturate(1.15) hue-rotate(8deg);
}
.gallery__item:hover img { transform: scale(1.06); filter: brightness(0.88) saturate(1.4); }
.gallery__item::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(2,13,10,0.65) 100%);
  pointer-events: none;
}

/* ═══════════════════════════════════════
   CHECKLIST
   ═══════════════════════════════════════ */
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 30px; }
.check-item {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 13.5px; color: var(--white); padding: 10px 0;
  border-bottom: 1px solid var(--rule);
}
.check-item:nth-last-child(-n+2) { border-bottom: none; }
.check-item__mark {
  width: 20px; height: 20px; border-radius: 50%; flex-shrink: 0; margin-top: 1px;
  background: var(--bio-green-dim); border: 1px solid rgba(0,255,178,0.28);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Mono', monospace; font-size: 9px; color: var(--bio-green);
}

/* ═══════════════════════════════════════
   TABLE
   ═══════════════════════════════════════ */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
  font-family: 'Space Mono', monospace; font-size: 9.5px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--bio-green); text-align: left; padding: 14px 18px;
  border-bottom: 1px solid var(--rule); background: rgba(0,255,178,0.03);
}
.data-table td {
  padding: 15px 18px; border-bottom: 1px solid var(--rule);
  font-size: 13.5px; color: var(--white);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(0,255,178,0.03); }

/* Badges */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-family: 'Space Mono', monospace; font-size: 9px;
  letter-spacing: 0.09em; text-transform: uppercase; font-weight: 700;
}
.badge--green  { background: rgba(52,211,153,0.12); color: var(--helix);  border: 1px solid rgba(52,211,153,0.25); }
.badge--yellow { background: rgba(245,158,11,0.12);  color: var(--enzyme); border: 1px solid rgba(245,158,11,0.25); }
.badge--grey   { background: rgba(107,158,138,0.1);  color: var(--grey);   border: 1px solid var(--rule); }

/* ═══════════════════════════════════════
   TIMELINE
   ═══════════════════════════════════════ */
.timeline { padding-left: 0; }
.t-item {
  display: grid; grid-template-columns: 160px 1fr; gap: 0 28px;
  padding-bottom: 38px; position: relative;
}
.t-item::before {
  content: ''; position: absolute; left: 160px; top: 8px; bottom: -10px; width: 1px;
  background: linear-gradient(to bottom, var(--bio-green), transparent);
}
.t-item__date {
  font-family: 'Space Mono', monospace; font-size: 9.5px;
  color: var(--bio-green); letter-spacing: 0.09em; text-align: right; padding-top: 2px;
}
.t-item__body { padding-left: 26px; }
.t-item__body::before {
  content: ''; position: absolute; left: 156px; top: 4px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--bio-green); box-shadow: 0 0 12px var(--bio-green-glow);
}
.t-item__body h3 {
  font-family: 'Inter', sans-serif; font-weight: 600;
  font-size: 15px; color: var(--white); margin-bottom: 8px;
}

/* ═══════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'Space Mono', monospace; font-size: 10.5px;
  letter-spacing: 0.07em; text-transform: uppercase;
  padding: 13px 22px; border-radius: var(--radius);
  border: none; cursor: pointer; font-weight: 700;
  background: var(--bio-green); color: var(--navy);
  position: relative; overflow: hidden;
  transition: box-shadow .25s, transform .15s;
}
.btn::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.16) 0%, transparent 55%);
  opacity: 0; transition: opacity .25s;
}
.btn:hover { box-shadow: 0 0 36px var(--bio-green-glow); transform: translateY(-1px); }
.btn:hover::after { opacity: 1; }

.btn--ghost {
  background: transparent; color: var(--white);
  border: 1px solid rgba(0,255,178,0.2);
}
.btn--ghost:hover { border-color: var(--bio-green); color: var(--bio-green); box-shadow: 0 0 20px var(--bio-green-dim); }

.btn--violet { background: var(--phospho); color: var(--white); }
.btn--violet:hover { box-shadow: 0 0 32px var(--phospho-glow); }
.btn--sm { padding: 8px 15px; font-size: 9.5px; }

/* ═══════════════════════════════════════
   FORM
   ═══════════════════════════════════════ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .span-2 { grid-column: 1/-1; }
.field label {
  display: block; font-family: 'Space Mono', monospace;
  font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--grey); margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  width: 100%; background: var(--surface);
  border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 11px 14px; color: var(--white);
  font-family: 'Inter', sans-serif; font-size: 13.5px;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--bio-green);
  box-shadow: 0 0 0 3px var(--bio-green-dim);
}
.field select { cursor: pointer; }
.field textarea { resize: vertical; min-height: 118px; }
.form-note { margin-top: 12px; font-size: 13px; }
.form-note--ok  { color: var(--bio-green); }
.form-note--err { color: #f87171; }

/* ═══════════════════════════════════════
   CONTACT INFO
   ═══════════════════════════════════════ */
.info-card {
  background: var(--deep); border: 1px solid var(--rule);
  border-radius: var(--radius-lg); overflow: hidden;
}
.info-row {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 22px; border-bottom: 1px solid var(--rule);
}
.info-row:last-child { border-bottom: none; }
.info-row__icon {
  width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0;
  background: var(--bio-green-dim); border: 1px solid rgba(0,255,178,0.2);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Mono', monospace; font-size: 10px; color: var(--bio-green);
}
.info-row small {
  display: block; font-family: 'Space Mono', monospace;
  font-size: 8.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--grey); margin-bottom: 4px;
}
.info-row span { font-size: 13.5px; color: var(--white); }

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */
.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--surface); padding: 60px 0 28px;
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 44px; }
.footer-col h4 {
  font-family: 'Space Mono', monospace; font-size: 9.5px;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--bio-green); margin-bottom: 16px;
}
.footer-col p { font-size: 13px; line-height: 1.8; }
.footer-col a {
  display: block; font-size: 12.5px; color: var(--grey);
  margin-bottom: 9px; transition: color .2s;
}
.footer-col a:hover { color: var(--bio-green); }
.footer-bottom {
  margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--rule);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
}
.footer-bottom .label-mono { font-size: 9.5px; color: rgba(107,158,138,0.5); }

/* ═══════════════════════════════════════
   CTA BAND
   ═══════════════════════════════════════ */
.cta-band {
  padding: 76px 0; position: relative; overflow: hidden; text-align: center;
}
.cta-band::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(0,255,178,0.07) 0%, transparent 65%);
}
.cta-band::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--bio-green), transparent);
}
.cta-band h2 { font-size: clamp(22px,3.5vw,34px); margin-top: 14px; }
.cta-band .cta-btns { margin-top: 28px; display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ═══════════════════════════════════════
   SCROLL REVEAL
   ═══════════════════════════════════════ */
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity .55s cubic-bezier(.22,1,.36,1), transform .55s cubic-bezier(.22,1,.36,1);
}
.reveal.visible { opacity: 1; transform: none; }
.stagger > *:nth-child(1) { transition-delay: 0s; }
.stagger > *:nth-child(2) { transition-delay: .07s; }
.stagger > *:nth-child(3) { transition-delay: .14s; }
.stagger > *:nth-child(4) { transition-delay: .21s; }
.stagger > *:nth-child(5) { transition-delay: .28s; }
.stagger > *:nth-child(6) { transition-delay: .35s; }

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */
@media (max-width: 1020px) {
  .site-nav { display: none; }
  .nav-cta .header-tagline { display: none; }
  .menu-btn { display: flex; }
}
@media (max-width: 900px) {
  .hero__split { grid-template-columns: 1fr; }
  .hero__viewport { max-width: 280px; }
  .grid--3, .grid--4 { grid-template-columns: 1fr 1fr; }
  .grid--2 { grid-template-columns: 1fr; }
  .feature-split { grid-template-columns: 1fr; gap: 32px; }
  .feature-split--flip { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .check-grid { grid-template-columns: 1fr; }
  .stat-bar { flex-wrap: wrap; }
  .stat-item { flex: 1 1 45%; border-bottom: 1px solid var(--rule); }
  .gallery { grid-template-columns: 1fr 1fr; }
  .t-item { grid-template-columns: 1fr; }
  .t-item::before, .t-item__body::before { display: none; }
  .t-item__date { text-align: left; }
  .t-item__body { padding-left: 0; }
}
@media (max-width: 600px) {
  .wrap { padding: 0 18px; }
  .header-top { padding: 0 18px; }
  .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .span-2 { grid-column: 1; }
  .footer-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .hero canvas { display: none; }
  .reveal { opacity: 1; transform: none; }
}