:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #6c5ce7;
  --accent-glow: #7c6cf7;
  --accent-soft: rgba(108, 92, 231, 0.12);
  --border: rgba(255, 255, 255, 0.06);
  --radius: 16px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 40px 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  max-width: 640px;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--accent) 0%, #a29bfe 50%, #fd79a8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.7;
}

/* orbit visual */
.hero-visual {
  position: absolute;
  right: -10%;
  top: 50%;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  z-index: 1;
}

.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
}

.ring-1 {
  width: 200px; height: 200px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-color: rgba(108, 92, 231, 0.2);
  animation: pulse 4s ease-in-out infinite;
}

.ring-2 {
  width: 380px; height: 380px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-color: rgba(108, 92, 231, 0.1);
  animation: pulse 4s ease-in-out infinite 1s;
}

.ring-3 {
  width: 560px; height: 560px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-color: rgba(108, 92, 231, 0.05);
  animation: pulse 4s ease-in-out infinite 2s;
}

.core-dot {
  width: 12px; height: 12px;
  background: var(--accent);
  border-radius: 50%;
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 40px var(--accent-glow), 0 0 80px rgba(108, 92, 231, 0.3);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.05); }
}

/* ---- MANIFESTO ---- */
.manifesto {
  padding: 120px 40px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 720px;
  margin: 0 auto;
}

.manifesto-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent);
  display: block;
  margin-bottom: 24px;
}

.manifesto h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.manifesto p {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ---- CAPABILITIES ---- */
.capabilities {
  padding: 120px 40px;
}

.cap-header {
  max-width: 900px;
  margin: 0 auto 64px;
}

.section-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}

.cap-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.cap-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cap-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: border-color 0.3s ease;
}

.cap-card:hover {
  border-color: rgba(108, 92, 231, 0.3);
}

.cap-number {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.cap-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.cap-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ---- METRICS ---- */
.metrics {
  padding: 80px 40px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.metrics-inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
}

.metric-item { text-align: center; }

.metric-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent) 0%, #a29bfe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 4px;
  letter-spacing: 0.5px;
}

.metric-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* ---- CLOSING ---- */
.closing {
  padding: 140px 40px;
  text-align: center;
}

.closing-inner {
  max-width: 640px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--fg);
}

.footer-note {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero {
    padding: 100px 24px 60px;
    text-align: center;
  }

  .hero-sub { margin: 0 auto; }

  .hero-visual {
    right: 50%;
    transform: translate(50%, -50%);
    width: 400px;
    height: 400px;
    opacity: 0.3;
  }

  .manifesto, .capabilities, .closing { padding: 80px 24px; }
  .metrics { padding: 60px 24px; }

  .cap-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .metrics-inner {
    flex-direction: column;
    gap: 32px;
  }

  .metric-divider {
    width: 48px;
    height: 1px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}