/* ============================================================
   TrustFarm AI · design system
   ============================================================ */
html[data-theme="dark"] {
  --bg: #060d09;
  --bg-soft: #0a1510;
  --bg-deep: #040906;
  --panel: rgba(13, 27, 20, 0.72);
  --panel-solid: #0c1a13;
  --panel-2: rgba(20, 42, 31, 0.55);
  --text: #f1f8f3;
  --text-strong: #ffffff;
  --muted: #a4b9ac;
  --faint: #779083;
  --line: rgba(167, 243, 208, 0.13);
  --line-strong: rgba(167, 243, 208, 0.28);
  --green: #34d399;
  --green-2: #6ee7b7;
  --green-ink: #052e1b;
  --cyan: #22d3ee;
  --lime: #b7e46b;
  --amber: #fbbf24;
  --red: #fb7185;
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.48);
  --shadow-soft: 0 12px 40px rgba(0, 0, 0, 0.28);
  --nav-bg: rgba(5, 13, 9, 0.72);
  --hero-fade: rgba(6, 13, 9, 0.86);
  --card-grad: linear-gradient(155deg, rgba(34, 68, 51, 0.44), rgba(7, 17, 12, 0.48));
  --card-grad-2: linear-gradient(155deg, rgba(22, 52, 44, 0.5), rgba(6, 14, 10, 0.52));
  --grid-line: rgba(167, 243, 208, 0.05);
  --glow-1: rgba(52, 211, 153, 0.2);
  --glow-2: rgba(34, 211, 238, 0.12);
  --selection: rgba(110, 231, 183, 0.28);
  --gauge-track: rgba(167, 243, 208, 0.11);
  color-scheme: dark;
}
html[data-theme="light"] {
  --bg: #f4faf6;
  --bg-soft: #e9f3ec;
  --bg-deep: #ffffff;
  --panel: rgba(255, 255, 255, 0.8);
  --panel-solid: #ffffff;
  --panel-2: rgba(233, 245, 237, 0.8);
  --text: #08231a;
  --text-strong: #03170f;
  --muted: #4d6c5d;
  --faint: #6c897a;
  --line: rgba(4, 80, 56, 0.13);
  --line-strong: rgba(4, 80, 56, 0.26);
  --green: #047857;
  --green-2: #059669;
  --green-ink: #f0fdf4;
  --cyan: #0e7490;
  --lime: #4d7c0f;
  --amber: #b45309;
  --red: #b91c1c;
  --shadow: 0 26px 70px rgba(6, 50, 36, 0.13);
  --shadow-soft: 0 12px 34px rgba(6, 50, 36, 0.09);
  --nav-bg: rgba(250, 255, 252, 0.76);
  --hero-fade: rgba(244, 250, 246, 0.9);
  --card-grad: linear-gradient(155deg, rgba(255, 255, 255, 0.94), rgba(232, 246, 238, 0.72));
  --card-grad-2: linear-gradient(155deg, rgba(240, 252, 245, 0.96), rgba(222, 242, 231, 0.74));
  --grid-line: rgba(4, 80, 56, 0.06);
  --glow-1: rgba(5, 150, 105, 0.13);
  --glow-2: rgba(14, 116, 144, 0.09);
  --selection: rgba(5, 150, 105, 0.2);
  --gauge-track: rgba(4, 120, 87, 0.12);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans Sinhala", "Noto Sans Tamil", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1000;
  pointer-events: none;
  opacity: 0.022;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
::selection { background: var(--selection); }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 {
  margin: 0;
  font-family: "Space Grotesk", "Inter", "Noto Sans Sinhala", "Noto Sans Tamil", "Noto Sans JP", sans-serif;
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }
[hidden] { display: none !important; }

.wrap { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 2000;
  padding: 10px 16px; border-radius: 8px;
  background: var(--green); color: var(--green-ink);
  font-weight: 700; transform: translateY(-160%);
  transition: transform 0.2s;
}
.skip-link:focus { transform: none; }

/* ── Header ───────────────────────────────────────────────── */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background-color 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
}
.site-header.scrolled {
  background: var(--nav-bg);
  border-bottom-color: var(--line);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
}
.nav {
  height: 76px;
  display: flex;
  align-items: center;
  gap: 26px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
  min-width: 0;
}
.brand img {
  width: 38px;
  height: auto;
  filter: drop-shadow(0 0 14px var(--glow-1));
}
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: -0.03em;
  color: var(--text-strong);
  white-space: nowrap;
}
.brand-name em { font-style: normal; color: var(--green); }
.brand-sub {
  margin-top: 5px;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  color: var(--faint);
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}
.nav-links a {
  position: relative;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--muted);
  transition: color 0.2s, background-color 0.2s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--text); background: var(--panel-2); }
.nav-actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.lang-wrap { position: relative; }
.lang-select {
  appearance: none;
  -webkit-appearance: none;
  height: 38px;
  padding: 0 30px 0 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel);
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 15px) 16px, calc(100% - 10px) 16px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s, background-color 0.2s;
}
.lang-select:hover, .lang-select:focus { border-color: var(--green); }
.lang-select option { background: var(--panel-solid); color: var(--text); }
.theme-toggle {
  position: relative;
  width: 66px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel);
  color: var(--muted);
  overflow: hidden;
}
.theme-toggle span {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  transition: color 0.3s, opacity 0.3s;
}
.theme-toggle .sun { left: 3px; }
.theme-toggle .moon { right: 3px; }
html[data-theme="dark"] .theme-toggle .sun { opacity: 0.35; }
html[data-theme="dark"] .theme-toggle .moon { color: var(--green-2); }
html[data-theme="light"] .theme-toggle .sun { color: var(--amber); }
html[data-theme="light"] .theme-toggle .moon { opacity: 0.35; }
.theme-toggle::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: -1;
}
html[data-theme="light"] .theme-toggle::after { transform: translateX(28px); }
.theme-toggle svg { width: 16px; height: 16px; }
.menu-btn {
  display: none;
  width: 38px; height: 38px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel);
  color: var(--text);
  place-items: center;
}
.menu-btn svg { width: 18px; height: 18px; }
.mobile-menu {
  display: none;
  position: fixed;
  top: 76px;
  left: 0; right: 0;
  z-index: 99;
  padding: 14px 24px 22px;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 2px;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
  font-size: 0.95rem;
}
.mobile-menu a:last-child { border: 0; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 21px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: var(--panel);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 650;
  line-height: 1.2;
  transition: transform 0.2s, background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.btn:hover { transform: translateY(-2px); border-color: var(--green); box-shadow: var(--shadow-soft); }
.btn svg { width: 17px; height: 17px; flex: 0 0 auto; }
.btn-primary {
  background: linear-gradient(135deg, var(--green-2), var(--green));
  border-color: transparent;
  color: var(--green-ink);
  box-shadow: 0 12px 34px var(--glow-1);
}
.btn-primary:hover { box-shadow: 0 18px 46px var(--glow-1); }
.btn-ghost { background: transparent; }
.btn-sm { min-height: 38px; padding: 0 14px; font-size: 0.79rem; border-radius: 9px; }
.btn-icon {
  width: 38px; height: 38px; min-height: 0;
  padding: 0; border-radius: 9px;
}
.btn-icon svg { width: 17px; height: 17px; }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 106px 0 38px;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(900px 680px at 74% 38%, var(--glow-1), transparent 64%),
    radial-gradient(760px 560px at 94% 74%, var(--glow-2), transparent 65%),
    radial-gradient(780px 540px at 8% 8%, var(--glow-2), transparent 68%),
    var(--bg);
}
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(ellipse 80% 70% at 68% 46%, black 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 68% 46%, black 20%, transparent 78%);
}
.hero-fade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, var(--hero-fade) 0%, var(--hero-fade) 38%, transparent 68%),
    linear-gradient(0deg, var(--bg) 0%, transparent 26%);
  pointer-events: none;
}
#scene {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.3s ease;
}
#scene.ready { opacity: 1; }
section[id], main[id] { scroll-margin-top: 88px; }
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  align-items: center;
  gap: 30px;
}
.hero-copy { max-width: 650px; }
.hero-emblem {
  width: 66px;
  height: auto;
  margin-bottom: 17px;
  filter: drop-shadow(0 14px 34px var(--glow-1));
  animation: float 7s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--green);
  opacity: 0.7;
}
.hero-eyebrow { margin-bottom: 16px; }
.hero-title {
  font-size: clamp(3.7rem, 8.3vw, 7.3rem);
  font-weight: 700;
  letter-spacing: -0.065em;
  line-height: 0.9;
  color: var(--text-strong);
}
.hero-title span {
  display: inline;
  background: linear-gradient(105deg, var(--green-2), var(--cyan) 65%, var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-tagline {
  margin-top: 14px;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.4rem, 2.5vw, 2.05rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.18;
  color: var(--text);
  max-width: 540px;
}
.hero-lead {
  margin-top: 14px;
  max-width: 500px;
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  color: var(--muted);
  line-height: 1.7;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  max-width: 590px;
  border: 1px solid var(--line);
  border-radius: 13px;
  overflow: hidden;
  background: var(--line);
}
.hero-stat { padding: 15px 14px; background: var(--panel); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.hero-stat strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-strong);
  line-height: 1.1;
  white-space: nowrap;
}
.hero-stat span {
  display: block;
  margin-top: 5px;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faint);
  line-height: 1.35;
}
.hero-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 0.71rem;
  color: var(--faint);
}
.hero-note i {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px var(--glow-1);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.scene-chips { position: absolute; inset: 0; z-index: 3; pointer-events: none; }
.scene-chip {
  position: absolute;
  top: 0; left: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 11px 8px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--panel);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-soft);
  font-size: 0.66rem;
  line-height: 1.15;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.4s;
  will-change: transform;
}
.scene-chip.ready { opacity: 1; }
.scene-chip .chip-icon {
  display: grid; place-items: center;
  width: 26px; height: 26px;
  border-radius: 7px;
  background: var(--glow-1);
  color: var(--green);
}
.scene-chip .chip-icon svg { width: 14px; height: 14px; }
.scene-chip .chip-k { display: block; color: var(--faint); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.53rem; }
.scene-chip .chip-v { display: block; margin-top: 2px; font-weight: 700; color: var(--text); font-size: 0.73rem; }
.scene-chip .chip-v b { color: var(--green); font-weight: 800; }
.scene-chip[data-anchor="energy"] { left: 48px; }
.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
}
.scroll-cue .line {
  width: 1px; height: 34px;
  background: linear-gradient(var(--green), transparent);
  animation: scrollLine 2.2s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scrollLine { 0% { transform: scaleY(0); opacity: 0; } 35% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1) translateY(22px); opacity: 0; } }

/* ── Marquee ──────────────────────────────────────────────── */
.marquee {
  position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
  overflow: hidden;
  padding: 14px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee-set { display: flex; align-items: center; flex: 0 0 auto; }
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 0 30px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.marquee-item svg { width: 15px; height: 15px; color: var(--green); }
.marquee-item::after { content: "→"; margin-left: 30px; color: var(--faint); font-weight: 400; }

/* ── Sections ─────────────────────────────────────────────── */
.section {
  position: relative;
  padding: clamp(76px, 10vw, 132px) 0;
}
.section-tight { padding: clamp(54px, 7vw, 84px) 0; }
.section-head { max-width: 760px; margin-bottom: clamp(34px, 5vw, 58px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head .eyebrow { margin-bottom: 16px; }
.section-title {
  font-size: clamp(2rem, 4.4vw, 3.35rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.05;
  color: var(--text-strong);
}
.section-lead {
  margin-top: 17px;
  max-width: 650px;
  font-size: clamp(0.97rem, 1.2vw, 1.08rem);
  line-height: 1.7;
  color: var(--muted);
}
.section-head.center .section-lead { margin-inline: auto; }
.section-kicker {
  margin-top: 18px;
  font-size: 0.77rem;
  color: var(--faint);
}
.section-alt { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-ornament {
  position: absolute;
  right: -120px;
  top: 80px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow-1), transparent 68%);
  pointer-events: none;
  filter: blur(8px);
}
.glass {
  background: var(--card-grad);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.pill i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.pill.amber i { background: var(--amber); }
.pill.red i { background: var(--red); }
.pill.cyan i { background: var(--cyan); }
.icon {
  width: 20px; height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-deep);
  padding: 58px 0 28px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 44px;
  align-items: start;
}
.footer-brand img { width: 190px; height: auto; }
html[data-theme="light"] .footer-brand img { filter: brightness(0.2) saturate(0.7); opacity: 0.88; }
.footer-brand p { margin-top: 18px; max-width: 330px; font-size: 0.84rem; color: var(--muted); }
.footer-col h4 {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 13px;
}
.footer-col a {
  display: block;
  padding: 5px 0;
  font-size: 0.82rem;
  color: var(--muted);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--green); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 0.68rem;
  color: var(--faint);
}
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--green); }

/* ── Reveal animations ────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.08s; }
.reveal-d2 { transition-delay: 0.16s; }
.reveal-d3 { transition-delay: 0.24s; }
.reveal-d4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ── Responsive base ──────────────────────────────────────── */
@media (max-width: 1120px) {
  .nav-links a { padding: 9px 9px; font-size: 0.78rem; }
  .brand-sub { display: none; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-copy { max-width: 620px; }
  .scene-chips { display: none; }
  .hero { padding-top: 112px; }
}
@media (max-width: 900px) {
  .nav-links { display: none; }
  .menu-btn { display: grid; }
  .nav { gap: 12px; }
  .nav-actions { margin-left: auto; }
  .hero { align-items: flex-start; padding: 100px 0 calc(var(--scene-band, 360px) + 30px); min-height: 0; --scene-band: 380px; }
  .hero-title { font-size: clamp(3.5rem, 13vw, 6rem); }
  .hero-stats { max-width: 100%; }
  #scene { inset: auto 0 0 0; height: var(--scene-band, 380px); }
  .hero-fade {
    background:
      linear-gradient(180deg, var(--bg) 0%, var(--bg) 52%, transparent 74%),
      linear-gradient(0deg, var(--bg) 0%, transparent 16%);
  }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .wrap { width: calc(100% - 32px); }
  .nav { height: 68px; gap: 8px; }
  .nav-cta { display: none; }
  .brand img { width: 32px; }
  .brand-name { font-size: 1.05rem; }
  .lang-select { height: 36px; padding-left: 9px; padding-right: 26px; font-size: 0.72rem; }
  .theme-toggle { width: 60px; height: 36px; }
  .theme-toggle span { width: 27px; height: 27px; }
  .theme-toggle::after { width: 27px; height: 27px; }
  html[data-theme="light"] .theme-toggle::after { transform: translateX(27px); }
  .menu-btn { width: 36px; height: 36px; }
  .hero { padding-top: 96px; --scene-band: 330px; }
  .hero-emblem { width: 60px; margin-bottom: 18px; }
  .hero-title { font-size: clamp(3.2rem, 17vw, 4.6rem); font-weight: 700; }
  .hero-tagline { font-size: 1.3rem; }
  .hero-lead { font-size: 0.9rem; margin-bottom: 2px; }
  .hero-actions .btn { flex: 1 1 auto; }
  .hero-stats { grid-template-columns: 1fr 1fr; margin-top: 30px; }
  .hero-stat { padding: 12px; }
  .hero-stat strong { font-size: 1.1rem; }
  .scroll-cue { display: none; }
  .section-title { font-size: clamp(1.85rem, 8vw, 2.5rem); }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { display: block; line-height: 1.9; }
}

@media (max-width: 400px) {
  .hero { --scene-band: 272px; }
  .brand-text { display: none; }
  .nav-actions { gap: 6px; }
}

/* ── Cinematic boot / logo flash (mirrors the 3D circuit loader) ── */
.boot-screen {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 17px;
  overflow: hidden;
  background: var(--bg);
  transition: opacity 0.45s ease, visibility 0.45s ease;
}
.boot-screen.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.boot-halo {
  position: absolute;
  width: min(78vw, 640px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(52, 211, 153, 0.13), transparent 64%);
  filter: blur(70px);
  animation: boot-halo 3.2s ease-in-out infinite;
  pointer-events: none;
}
.boot-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 17px;
  padding: 28px;
}
.boot-brand {
  width: 184px;
  padding: 15px 20px 12px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  border: 1px solid rgba(16, 185, 129, 0.3);
  background:
    radial-gradient(circle at 50% 24%, rgba(16, 185, 129, 0.18), rgba(6, 13, 9, 0.97) 68%),
    var(--bg-deep);
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.14), 0 18px 50px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  animation: loader-breathe 2.8s ease-in-out infinite;
}
.boot-brand img { width: 100%; height: auto; display: block; }
.boot-title {
  font-family: "Space Grotesk", "Inter", sans-serif;
  color: var(--text-strong);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2.4px;
  line-height: 1.3;
  text-align: center;
  text-transform: uppercase;
}
.boot-title span { color: var(--green); }
.boot-sub {
  max-width: 290px;
  margin: 0;
  color: var(--muted);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 1.1px;
  line-height: 1.6;
  text-transform: uppercase;
}
.boot-track {
  width: 176px;
  height: 3px;
  margin-top: 2px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(167, 243, 208, 0.16);
}
.boot-track span {
  display: block;
  width: 42%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--cyan));
  box-shadow: 0 0 18px rgba(52, 211, 153, 0.55);
  animation: loader-slide 1.15s ease-in-out infinite;
}
.boot-status {
  margin: 0;
  color: var(--faint);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.9px;
  text-transform: uppercase;
}
@keyframes loader-breathe {
  0%, 100% { transform: scale(1); box-shadow: 0 0 30px rgba(16, 185, 129, 0.14), 0 18px 50px rgba(0, 0, 0, 0.45); }
  50% { transform: scale(1.015); box-shadow: 0 0 54px rgba(16, 185, 129, 0.26), 0 22px 60px rgba(0, 0, 0, 0.5); }
}
@keyframes loader-slide {
  0% { transform: translateX(-115%); }
  100% { transform: translateX(350%); }
}
@keyframes boot-halo {
  0%, 100% { opacity: 0.55; transform: scale(0.98); }
  50% { opacity: 0.85; transform: scale(1.04); }
}
@media (max-width: 600px) {
  .boot-brand { width: 164px; }
  .boot-title { font-size: 12px; }
  .boot-track { width: 164px; }
}
@media (max-height: 620px) {
  .boot-inner { gap: 11px; }
  .boot-brand { width: 142px; padding: 11px 15px 9px; border-radius: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  .boot-brand, .boot-halo, .boot-track span { animation: none; }
}

/* Compositor fallback: never let the boot flash trap the page. */
.boot-screen { animation: boot-auto-hide 0.45s ease 3.4s forwards; }
html.boot-hold .boot-screen { animation: none; }
@keyframes boot-auto-hide {
  0% { opacity: 1; visibility: visible; pointer-events: auto; }
  99% { opacity: 0; visibility: visible; pointer-events: auto; }
  100% { opacity: 0; visibility: hidden; pointer-events: none; }
}