:root {
  --bg: #F8F5F0;
  --bg-alt: #EFEBE4;
  --ink: #1A1A1A;
  --ink-muted: #6B6560;
  --accent: #C8613A;
  --accent-warm: #E8A882;
  --surface: #FFFFFF;
  --border: #D9D3C8;
}

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

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

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 64px;
  border-bottom: 1px solid var(--border);
}

.brand-name {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.5px;
}

.nav-tagline {
  font-size: 13px;
  color: var(--ink-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Hero */
.hero {
  padding: 80px 64px 96px;
  background: var(--ink);
  color: #FAF8F5;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 64px;
  align-items: start;
}

.hero-eyebrow {
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-warm);
  margin-bottom: 20px;
  font-weight: 500;
}

.hero-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(40px, 5vw, 68px);
  font-weight: 700;
  line-height: 1.1;
  color: #FAF8F5;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-lede {
  font-size: 18px;
  color: #C8C2BA;
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}

.stat { display: flex; flex-direction: column; gap: 4px; }

.stat-value {
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  font-weight: 600;
  color: #FAF8F5;
}

.stat-label {
  font-size: 12px;
  color: #8A847D;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: #3A3632;
}

/* Hero card */
.hero-card {
  background: #2A2622;
  border: 1px solid #3A3632;
  border-radius: 12px;
  padding: 28px;
  margin-top: 24px;
}

.card-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #8A847D;
  margin-bottom: 10px;
}

.card-title {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 600;
  color: #FAF8F5;
  line-height: 1.4;
  margin-bottom: 8px;
}

.card-sub {
  font-size: 14px;
  color: var(--accent-warm);
  margin-bottom: 20px;
}

.card-metrics {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-top: 1px solid #3A3632;
  padding-top: 16px;
}

.card-metrics span {
  font-size: 13px;
  color: #8A847D;
}

/* Sections */
.section-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.5px;
}

/* Models */
.models {
  padding: 96px 64px;
  background: var(--bg);
}

.section-header {
  max-width: 600px;
  margin-bottom: 56px;
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.model-card {
  background: var(--bg);
  padding: 36px 32px;
}

.model-num {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.model-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.model-desc {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.model-stack {
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* How it works */
.howitworks {
  padding: 96px 64px;
  background: var(--ink);
  color: #FAF8F5;
}

.hiw-inner {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 80px;
  align-items: start;
}

.hiw-title {
  font-family: 'Playfair Display', serif;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  color: #FAF8F5;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.hiw-desc {
  font-size: 15px;
  color: #8A847D;
  line-height: 1.7;
}

.hiw-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hiw-step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 28px 0;
  border-bottom: 1px solid #2A2622;
}

.hiw-step:last-child { border-bottom: none; }

.step-num {
  font-family: 'Playfair Display', serif;
  font-size: 13px;
  color: var(--accent-warm);
  font-weight: 600;
  flex-shrink: 0;
  padding-top: 2px;
}

.step-title {
  font-size: 17px;
  font-weight: 600;
  color: #FAF8F5;
  margin-bottom: 6px;
}

.step-desc {
  font-size: 14px;
  color: #8A847D;
  line-height: 1.65;
}

/* Proof */
.proof {
  padding: 96px 64px;
  background: var(--bg-alt);
}

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

.proof-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  max-width: 640px;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.proof-stat {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.proof-num {
  font-family: 'Playfair Display', serif;
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -1px;
}

.proof-context {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.55;
}

.proof-quote {
  border-left: 3px solid var(--accent);
  padding-left: 24px;
}

.proof-quote blockquote {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  font-style: italic;
  color: var(--ink);
  line-height: 1.5;
}

/* Closing */
.closing {
  padding: 120px 64px;
  background: var(--accent);
  text-align: center;
}

.closing-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 700;
  color: #FAF8F5;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.closing-sub {
  font-size: 18px;
  color: rgba(250,248,245,0.8);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Footer */
.footer {
  padding: 28px 64px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand {
  font-family: 'Playfair Display', serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.footer-sep { color: var(--border); }

.footer-copy {
  font-size: 13px;
  color: var(--ink-muted);
}

/* Responsive */
@media (max-width: 1024px) {
  .nav { padding: 20px 32px; }
  .hero { padding: 60px 32px 80px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-aside { display: none; }
  .models { padding: 64px 32px; }
  .models-grid { grid-template-columns: repeat(2, 1fr); }
  .hiw-inner { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .closing { padding: 80px 32px; }
}

@media (max-width: 640px) {
  .nav { padding: 16px 20px; }
  .hero { padding: 48px 20px 64px; }
  .hero-headline { font-size: 36px; }
  .models { padding: 48px 20px; }
  .models-grid { grid-template-columns: 1fr; }
  .howitworks { padding: 64px 20px; }
  .proof { padding: 64px 20px; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-num { font-size: 32px; }
  .closing { padding: 64px 20px; }
  .footer { padding: 20px; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .stat-divider { display: none; }
}