:root {
  --bg: #F7F5F2;
  --bg-alt: #EFEFEB;
  --fg: #2D3436;
  --fg-muted: #636E72;
  --accent: #0D7377;
  --accent-warm: #E85D4C;
  --accent-soft: rgba(13, 115, 119, 0.08);
  --highlight: #E85D4C;
  --border: rgba(45, 52, 54, 0.1);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.site-header {
  padding: 28px 40px;
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.wordmark {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--fg);
  letter-spacing: -0.02em;
}

/* Hero */
.hero {
  padding: 100px 40px 80px;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}

.highlight {
  color: var(--highlight);
  font-style: italic;
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 420px;
}

/* Deck visual */
.deck-stack {
  position: relative;
  width: 280px;
  height: 200px;
  margin: 0 auto;
}

.deck-card {
  position: absolute;
  background: white;
  border-radius: 16px;
  padding: 20px 24px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: transform 0.3s ease;
}

.deck-card:hover {
  transform: translateY(-4px);
}

.card-region {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--fg);
}

.card-count {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
}

.card-1 { top: 0; left: 0; z-index: 4; }
.card-2 { top: 20px; left: 40px; z-index: 3; }
.card-3 { top: 40px; left: 80px; z-index: 2; }
.card-4 { top: 60px; left: 120px; z-index: 1; }

/* Features */
.features {
  padding: 100px 40px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-warm);
  margin-bottom: 60px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px;
}

.feature-item {
  position: relative;
}

.feature-number {
  font-family: 'Syne', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}

.feature-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.feature-desc {
  font-size: 0.9375rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* Closing */
.closing {
  padding: 100px 40px;
}

.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 80px;
  align-items: center;
}

.closing-statement {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--fg);
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.closing-vision {
  font-size: 1.0625rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

.globe-lines {
  width: 100%;
  color: var(--accent);
}

.globe-lines svg {
  width: 100%;
  height: auto;
}

/* Footer */
.site-footer {
  padding: 60px 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.footer-brand .wordmark {
  font-size: 1rem;
  display: block;
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--fg-muted);
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--fg-muted);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  
  .deck-stack {
    margin: 0;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .closing-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  .site-header,
  .hero,
  .features,
  .closing,
  .site-footer {
    padding-left: 24px;
    padding-right: 24px;
  }
  
  .hero {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  
  .features {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  
  .closing {
    padding-top: 60px;
    padding-bottom: 60px;
  }
}