:root {
  --bg: #0C0C0C;
  --surface: #111111;
  --surface2: #1A1A1A;
  --fg: #F0F0F0;
  --fg-muted: #888888;
  --accent: #C6FF00;
  --accent-dim: rgba(198, 255, 0, 0.08);
  --border: rgba(255,255,255,0.07);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 80px 48px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(198,255,0,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 900px;
  position: relative;
  z-index: 1;
}

.hero-label {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 32px;
}

.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(56px, 8vw, 120px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 40px;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 520px;
  margin-bottom: 56px;
  line-height: 1.7;
}

.hero-stat-row {
  display: flex;
  gap: 56px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-num {
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--fg);
}

.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-accent-bar {
  position: absolute;
  bottom: 0;
  left: 48px;
  right: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent 60%);
}

/* SECTIONS */
.product-stacks, .manifesto, .platform, .closing {
  padding: 96px 48px;
}

.product-stacks {
  background: var(--surface);
}

.section-header {
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.section-header h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

/* STACKS GRID */
.stacks-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

.stack-card {
  background: var(--surface2);
  padding: 40px;
  border: 1px solid var(--border);
}

.stack-icon {
  color: var(--accent);
  margin-bottom: 20px;
}

.stack-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--fg);
}

.stack-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* MANIFESTO */
.manifesto {
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 800px;
}

.manifesto-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}

.manifesto blockquote {
  font-family: 'Syne', sans-serif;
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin-bottom: 32px;
}

.manifesto-body {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.8;
}

/* PLATFORM */
.platform {
  background: var(--surface);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.platform-col {
  background: var(--surface2);
  padding: 40px;
  border: 1px solid var(--border);
}

.platform-col h4 {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}

.platform-col > p {
  font-size: 14px;
  color: var(--fg-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

.platform-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 13px;
  color: var(--fg-muted);
  border-bottom: 1px solid var(--border);
}

.platform-feature:last-child {
  border-bottom: none;
}

.feature-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* CLOSING */
.closing {
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.closing-inner {
  max-width: 800px;
}

.closing h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.closing-body {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
}

/* FOOTER */
.footer {
  padding: 40px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--fg);
  display: block;
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 12px;
  color: var(--fg-muted);
}

.footer-meta {
  font-size: 12px;
  color: var(--fg-muted);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero, .product-stacks, .manifesto, .platform, .closing, .footer {
    padding-left: 24px;
    padding-right: 24px;
  }

  .hero {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .hero-stat-row {
    gap: 32px;
  }

  .stacks-grid {
    grid-template-columns: 1fr;
  }

  .platform-grid {
    grid-template-columns: 1fr;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .hero-accent-bar {
    left: 24px;
    right: 24px;
  }
}

@media (max-width: 480px) {
  .hero-stat-row {
    flex-direction: column;
    gap: 20px;
  }
}