:root {
  --bg: #050608;
  --bg-elev: #0b0d10;
  --bg-soft: rgba(14, 18, 24, 0.74);
  --line: rgba(114, 246, 255, 0.18);
  --line-strong: rgba(114, 246, 255, 0.7);
  --accent: #79f3ff;
  --accent-2: #d9b55d;
  --text: #eef6fb;
  --muted: #95a9b7;
  --muted-2: #6e808d;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --radius: 26px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top center, rgba(37, 99, 235, 0.08), transparent 28%),
    radial-gradient(circle at 75% 15%, rgba(8, 145, 178, 0.13), transparent 25%),
    linear-gradient(180deg, #030406 0%, #050608 52%, #040506 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 15% 20%, rgba(255,255,255,0.2) 0 1px, transparent 1px),
    radial-gradient(circle at 80% 10%, rgba(255,255,255,0.14) 0 1px, transparent 1px),
    radial-gradient(circle at 35% 70%, rgba(255,255,255,0.12) 0 1px, transparent 1px),
    radial-gradient(circle at 60% 35%, rgba(255,255,255,0.12) 0 1px, transparent 1px),
    radial-gradient(circle at 90% 75%, rgba(255,255,255,0.12) 0 1px, transparent 1px);
  background-size: 240px 240px, 300px 300px, 270px 270px, 330px 330px, 380px 380px;
  opacity: 0.35;
  z-index: -1;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
canvas { display: block; }

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 110px 0;
}

.section-dark {
  border-top: 1px solid rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.section-contrast {
  background: linear-gradient(180deg, rgba(255,255,255,0.015), rgba(255,255,255,0));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(18px);
  background: rgba(4, 6, 8, 0.54);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 84px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--accent), #0a666e 65%, transparent 66%);
  box-shadow: 0 0 28px rgba(121,243,255,0.55);
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-title,
.brand-subtitle,
.hero-copy h1,
.section-heading h2,
.copy-block h2,
.info-card h2,
.footer-grid h2,
.hero-panel h2 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
}

.brand-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: 6px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  color: var(--muted);
  transition: color 0.25s ease;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a:focus-visible { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-weight: 600;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, rgba(121,243,255,0.22), rgba(121,243,255,0.12));
  color: white;
  border-color: rgba(121,243,255,0.3);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255,255,255,0.12);
}

.btn-secondary,
.btn-ghost {
  background: rgba(255,255,255,0.03);
  color: var(--text);
}

.btn-secondary:hover,
.btn-ghost:hover {
  border-color: rgba(121,243,255,0.25);
}

.eyebrow,
.section-kicker,
.panel-topline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
  font-weight: 700;
}

.eyebrow::before,
.section-kicker::before,
.panel-topline::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}

.hero {
  min-height: calc(100vh - 84px);
  overflow: hidden;
  padding-top: 72px;
  padding-bottom: 40px;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 25%, rgba(121,243,255,0.12), transparent 28%),
    linear-gradient(180deg, rgba(0,0,0,0.05) 0%, rgba(3,4,6,0.4) 40%, rgba(3,4,6,1) 100%);
  pointer-events: none;
}

#terrain-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.95;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.72fr);
  gap: 48px;
  align-items: center;
  min-height: calc(100vh - 220px);
}

.hero-copy {
  max-width: 760px;
}

.hero-copy h1 {
  font-size: clamp(3.5rem, 8vw, 6.4rem);
  line-height: 0.95;
  margin: 18px 0 22px;
  letter-spacing: -0.05em;
}

.hero-copy h1 span {
  color: var(--accent);
  text-shadow: 0 0 34px rgba(121,243,255,0.2);
}

.hero-lead,
.hero-panel p,
.section-heading p,
.copy-block p,
.timeline-step p,
.info-card p,
.site-footer p,
.vision-card p,
.pillar-card p {
  color: var(--muted);
  line-height: 1.78;
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 48px;
}

.hero-metrics article,
.glass-card {
  background: linear-gradient(180deg, rgba(18, 23, 30, 0.8), rgba(8, 10, 14, 0.64));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero-metrics article {
  padding: 22px;
}

.hero-metrics strong {
  display: block;
  font-size: 1.4rem;
  margin-bottom: 8px;
  color: white;
}

.hero-metrics span {
  color: var(--muted-2);
  font-size: 0.94rem;
  line-height: 1.5;
}

.glass-card {
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(121,243,255,0.07), transparent 35%, transparent 65%, rgba(217,181,93,0.05));
  pointer-events: none;
}

.hero-panel {
  max-width: 430px;
  margin-left: auto;
}

.hero-panel h2 {
  font-size: 2rem;
  margin: 16px 0 12px;
}

.panel-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
  display: grid;
  gap: 14px;
}

.panel-list li {
  position: relative;
  padding-left: 22px;
  color: var(--text);
  line-height: 1.55;
}

.panel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #11b0c0);
  box-shadow: 0 0 14px rgba(121,243,255,0.45);
}

.section-heading {
  max-width: 860px;
  margin: 0 auto 52px;
  text-align: center;
}

.left-aligned {
  margin-left: 0;
  text-align: left;
}

.section-heading h2,
.copy-block h2,
.info-card h2,
.footer-grid h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 18px 0 16px;
}

.vision-grid,
.pillars-grid,
.info-grid {
  display: grid;
  gap: 22px;
}

.vision-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.vision-card,
.pillar-card,
.info-card {
  min-height: 100%;
}

.card-index,
.pillar-card > span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(121,243,255,0.08);
  border: 1px solid rgba(121,243,255,0.18);
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 700;
}

.vision-card h3,
.pillar-card h3,
.timeline-step h3 {
  font-size: 1.25rem;
  margin: 20px 0 10px;
}

.split-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 40px;
  align-items: center;
}

.copy-block {
  max-width: 640px;
}

.visual-panel {
  padding: 18px;
}

.mini-terrain-wrap {
  border-radius: calc(var(--radius) - 8px);
  border: 1px solid rgba(255,255,255,0.05);
  background: radial-gradient(circle at 50% 20%, rgba(121,243,255,0.08), transparent 28%), #06080b;
  height: 360px;
  overflow: hidden;
}

#mini-terrain {
  width: 100%;
  height: 100%;
}

.visual-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.visual-meta strong {
  color: var(--text);
  font-weight: 600;
}

.pillars-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pillar-card-wide {
  grid-column: span 3;
}

.timeline {
  position: relative;
  display: grid;
  gap: 20px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(180deg, rgba(121,243,255,0.25), rgba(121,243,255,0.02));
}

.timeline-step {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 20px;
  align-items: start;
}

.timeline-number {
  position: relative;
  z-index: 2;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--bg);
  background: linear-gradient(135deg, var(--accent), #d5fbff);
  box-shadow: 0 0 30px rgba(121,243,255,0.18);
}

.info-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.site-footer {
  padding: 90px 0 110px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr auto;
  gap: 30px;
  align-items: center;
}

.footer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

@media (max-width: 1080px) {
  .hero-grid,
  .split-grid,
  .footer-grid,
  .vision-grid,
  .pillars-grid,
  .info-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-panel {
    max-width: 100%;
    margin-left: 0;
  }

  .pillar-card-wide {
    grid-column: auto;
  }

  .footer-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 820px) {
  .nav-links { display: none; }
  .section { padding: 84px 0; }
  .hero { min-height: auto; padding-top: 56px; }
  .hero-copy h1 { font-size: clamp(2.7rem, 15vw, 4.4rem); }
  .hero-metrics,
  .vision-grid,
  .split-grid,
  .pillars-grid,
  .info-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .timeline-step {
    grid-template-columns: 62px 1fr;
  }
  .timeline::before {
    left: 22px;
  }
}

@media (max-width: 560px) {
  .container { width: min(calc(100% - 24px), var(--container)); }
  .nav-row { min-height: 74px; }
  .glass-card,
  .hero-metrics article { padding: 22px; }
  .btn { width: 100%; }
  .hero-actions,
  .footer-actions { flex-direction: column; }
  .mini-terrain-wrap { height: 280px; }
}