:root {
  --bg: #0d0d0d;
  --surface: #161616;
  --surface-2: #1f1f1f;
  --fg: #f0ebe3;
  --fg-muted: #9a9287;
  --accent: #D4AF37;
  --accent-dim: rgba(212, 175, 55, 0.12);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px;
  border-bottom: 1px solid rgba(240, 235, 227, 0.08);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.05em;
  color: var(--fg);
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.5);
}

/* Hero */
.hero {
  padding: 100px 48px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
  font-weight: 500;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 400;
  line-height: 1.05;
  color: var(--fg);
  margin-bottom: 32px;
  max-width: 800px;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 64px;
  font-weight: 300;
}

.hero-visual {
  display: flex;
  justify-content: flex-start;
}

.flight-card {
  background: var(--surface);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 16px;
  padding: 32px 36px;
  width: 420px;
  position: relative;
  box-shadow: 0 0 60px rgba(212, 175, 55, 0.06);
}

.flight-route {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(240, 235, 227, 0.08);
}

.airport {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: 0.05em;
}

.flight-arrow {
  font-size: 20px;
  color: var(--accent);
}

.flight-details {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.detail-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
}

.detail-value {
  font-size: 14px;
  color: var(--fg);
}

.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-dim);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
}

/* How It Works */
.how-it-works {
  padding: 100px 48px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid rgba(240, 235, 227, 0.06);
}

.section-header {
  margin-bottom: 64px;
}

.section-eyebrow {
  display: block;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  color: var(--fg);
  line-height: 1.15;
}

.steps {
  display: flex;
  gap: 0;
  align-items: flex-start;
}

.step {
  flex: 1;
  padding: 0 40px 0 0;
}

.step-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 400;
  color: var(--accent);
  opacity: 0.4;
  margin-bottom: 16px;
}

.step-title {
  font-size: 18px;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 12px;
}

.step-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.7;
  font-weight: 300;
}

.step-divider {
  width: 1px;
  background: rgba(240, 235, 227, 0.08);
  align-self: stretch;
  margin: 0 40px;
}

/* Features */
.features {
  padding: 100px 48px;
  background: var(--surface);
}

.features .section-header {
  max-width: 1200px;
  margin: 0 auto 64px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: 1200px;
  margin: 0 auto;
  background: rgba(240, 235, 227, 0.06);
  border: 1px solid rgba(240, 235, 227, 0.06);
  border-radius: 16px;
  overflow: hidden;
}

.feature {
  background: var(--surface);
  padding: 40px 36px;
  transition: background 0.2s;
}

.feature:hover {
  background: var(--surface-2);
}

.feature-icon {
  margin-bottom: 20px;
}

.feature-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.7;
  font-weight: 300;
}

/* Manifesto */
.manifesto {
  padding: 100px 48px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid rgba(240, 235, 227, 0.06);
}

.manifesto-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.manifesto-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 400;
  line-height: 1.2;
  color: var(--fg);
}

.manifesto-body {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 24px;
}

.manifesto-body:last-child {
  margin-bottom: 0;
}

/* Closing */
.closing {
  padding: 120px 48px;
  text-align: center;
  border-top: 1px solid rgba(240, 235, 227, 0.06);
}

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 400;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 28px;
}

.closing-sub {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
  font-weight: 300;
}

/* Footer */
.footer {
  padding: 48px;
  border-top: 1px solid rgba(240, 235, 227, 0.06);
  text-align: center;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.05em;
  color: var(--fg);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

.footer-meta {
  font-size: 11px;
  color: rgba(154, 146, 135, 0.5);
  letter-spacing: 0.05em;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .nav { padding: 20px 24px; }
  .hero { padding: 60px 24px 60px; }
  .hero-headline { font-size: 40px; }
  .hero-sub { font-size: 16px; }
  .flight-card { width: 100%; }
  .steps { flex-direction: column; gap: 48px; }
  .step-divider { display: none; }
  .step { padding: 0; }
  .features-grid { grid-template-columns: 1fr; }
  .manifesto-inner { grid-template-columns: 1fr; gap: 40px; }
  .how-it-works, .manifesto { padding: 60px 24px; }
  .features { padding: 60px 24px; }
  .closing { padding: 80px 24px; }
  .footer { padding: 40px 24px; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 32px; }
  .feature { padding: 28px 24px; }
}