:root {
  --bg: #0C0F0A;
  --bg-surface: #151A12;
  --bg-card: #1B211A;
  --fg: #E8E4DD;
  --fg-muted: #9A9689;
  --fg-dim: #6B6860;
  --accent: #D4A843;
  --accent-glow: #E8C05A;
  --accent-dark: #8B6F2A;
  --green: #4A7C59;
  --green-light: #6BA37A;
  --saffron: #CF7B3A;
  --radius: 12px;
  --radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Outfit', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 8% 60px;
  position: relative;
  background: 
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(212,168,67,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(74,124,89,0.06) 0%, transparent 50%),
    var(--bg);
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid var(--accent-dark);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 32px;
  width: fit-content;
}

.hero h1 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
  max-width: 800px;
}

.hero h1 em {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-weight: 700;
  color: var(--accent);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.source-tag {
  padding: 6px 16px;
  background: var(--bg-card);
  border: 1px solid rgba(212,168,67,0.15);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--fg-muted);
  transition: all 0.2s ease;
}

.source-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== STATS ===== */
.stats {
  padding: 40px 8%;
  border-top: 1px solid rgba(232,228,221,0.06);
  border-bottom: 1px solid rgba(232,228,221,0.06);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-card {
  padding: 36px 24px;
  text-align: center;
  position: relative;
}

.stat-card:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: rgba(232,228,221,0.08);
}

.stat-number {
  display: block;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-dim);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 8%;
}

.features-header {
  margin-bottom: 60px;
  max-width: 600px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--green-light);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

.features-header h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.features-intro {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid rgba(232,228,221,0.05);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  transition: border-color 0.25s ease;
}

.feature-card:hover {
  border-color: rgba(212,168,67,0.2);
}

.feature-large {
  grid-column: 1 / -1;
  background: 
    linear-gradient(135deg, rgba(212,168,67,0.04) 0%, transparent 50%),
    var(--bg-surface);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 20px;
  display: block;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ===== HOW IT WORKS ===== */
.how {
  padding: 100px 8%;
  background: var(--bg-surface);
  border-top: 1px solid rgba(232,228,221,0.04);
}

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

.how-header h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.step {
  flex: 1;
  padding: 0 32px;
}

.step-divider {
  width: 1px;
  min-height: 140px;
  background: linear-gradient(to bottom, transparent, var(--accent-dark), transparent);
  flex-shrink: 0;
}

.step-num {
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(212,168,67,0.15);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.step h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--accent-glow);
}

.step p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 8%;
  text-align: center;
  background: 
    radial-gradient(ellipse 70% 50% at 50% 30%, rgba(207,123,58,0.06) 0%, transparent 60%),
    var(--bg);
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 56px;
}

.closing-models {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  text-align: left;
}

.model {
  background: var(--bg-card);
  border: 1px solid rgba(232,228,221,0.06);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}

.model h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 10px;
}

.model p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px 8%;
  border-top: 1px solid rgba(232,228,221,0.06);
  text-align: center;
}

.footer-inner {
  max-width: 400px;
  margin: 0 auto;
}

.footer-brand {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 0.88rem;
  color: var(--fg-dim);
  margin-bottom: 16px;
}

.footer-contact {
  font-size: 0.82rem;
  color: var(--fg-dim);
  margin-bottom: 20px;
}

.footer-copy {
  font-size: 0.75rem;
  color: rgba(232,228,221,0.2);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 60px 6% 40px;
    min-height: 80vh;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }

  .stat-card:nth-child(2)::after {
    display: none;
  }

  .stat-card {
    padding: 24px 16px;
  }

  .stat-card:nth-child(n+3) {
    border-top: 1px solid rgba(232,228,221,0.06);
  }

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

  .feature-large {
    grid-column: 1;
  }

  .how-steps {
    flex-direction: column;
    gap: 32px;
  }

  .step {
    padding: 0;
  }

  .step-divider {
    width: 40px;
    min-height: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--accent-dark), transparent);
  }

  .closing-models {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.4rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .stat-number {
    font-size: 1.6rem;
  }

  .features {
    padding: 60px 6%;
  }

  .how {
    padding: 60px 6%;
  }

  .closing {
    padding: 80px 6%;
  }
}
