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

:root {
  --bg: #F7F5F0;
  --bg-alt: #EFEDE6;
  --surface: #FFFFFF;
  --navy: #0D1729;
  --navy-mid: #1A2740;
  --amber: #D4A843;
  --amber-dim: rgba(212, 168, 67, 0.15);
  --text: #0D1729;
  --text-muted: #6B7280;
  --text-light: #9CA3AF;
  --border: #E2DED4;
  --corr-high: #1B4332;
  --corr-mid: #9A7B4F;
  --corr-low: #C5B89A;
  --positive: #1B4332;
}

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

h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  line-height: 1.15;
  font-weight: 700;
}

/* NAV */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.nav-tagline {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* HERO */
.hero {
  padding: 80px 48px 72px;
  border-bottom: 1px solid var(--border);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-headline {
  font-size: clamp(48px, 5.5vw, 80px);
  color: var(--navy);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
}

.hero-visual { display: flex; align-items: center; justify-content: flex-end; }

.viz-card {
  background: var(--navy);
  border-radius: 12px;
  padding: 28px 32px;
  width: 100%;
  max-width: 380px;
}

.viz-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 20px;
}

.viz-bars { display: flex; flex-direction: column; gap: 12px; }

.bar-row {
  display: grid;
  grid-template-columns: 110px 1fr 60px;
  align-items: center;
  gap: 12px;
}

.bar-name { font-size: 12px; color: #D1CBC0; }

.bar-track {
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--amber);
  border-radius: 2px;
}

.bar-val { font-size: 11px; color: var(--amber); font-weight: 500; text-align: right; }

/* METRICS */
.metrics {
  padding: 48px 48px;
  background: var(--navy);
}

.metrics-inner {
  display: flex;
  align-items: center;
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
}

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

.metric-icon {
  color: var(--amber);
  margin-bottom: 12px;
}

.metric-label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.metric-question {
  font-size: 13px;
  color: #8A96A8;
}

.metric-divider {
  width: 1px;
  height: 56px;
  background: rgba(255,255,255,0.12);
  margin-right: 48px;
  flex-shrink: 0;
}

/* ENGINE */
.engine { padding: 96px 48px; }

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

.section-eyebrow {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}

.engine-title {
  font-size: clamp(32px, 3vw, 48px);
  color: var(--navy);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.engine-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
}

.corr-matrix {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--navy);
  border-radius: 10px;
  padding: 24px;
}

.corr-row {
  display: grid;
  grid-template-columns: 80px repeat(4, 1fr);
  gap: 2px;
}

.corr-header .corr-cell {
  background: rgba(255,255,255,0.06);
  font-size: 10px;
  color: #8A96A8;
  letter-spacing: 0.04em;
}

.corr-cell {
  padding: 10px 8px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  background: rgba(255,255,255,0.04);
  color: #8A96A8;
}

.corr-label { color: #8A96A8; font-size: 12px; }

.corr-high { color: #5DB075; background: rgba(91, 160, 117, 0.12); }
.corr-mid { color: #D4A843; background: rgba(212, 168, 67, 0.12); }
.corr-low { color: #6B7280; }

/* MEASUREMENT */
.measurement {
  background: var(--bg-alt);
  padding: 96px 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.measurement-text h2 {
  font-size: clamp(32px, 3vw, 48px);
  color: var(--navy);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.measurement-text p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 40px;
}

.measurement-categories {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.category {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.category strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  min-width: 100px;
}

.category span { font-size: 14px; color: var(--text-muted); }

/* PROTOCOLS */
.protocols {
  padding: 96px 48px;
  background: var(--bg);
}

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

.protocols-text h2 {
  font-size: clamp(28px, 2.5vw, 44px);
  color: var(--navy);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.protocols-text p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
}

.protocols-visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.protocol-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}

.proto-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.proto-name { font-size: 14px; font-weight: 600; color: var(--navy); }

.proto-badge {
  font-size: 10px;
  background: var(--amber-dim);
  color: var(--amber);
  padding: 3px 8px;
  border-radius: 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.proto-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 16px;
}

.proto-stat-val { font-family: 'Cormorant Garamond', serif; font-size: 28px; font-weight: 700; color: var(--navy); display: block; }
.proto-stat-label { font-size: 11px; color: var(--text-muted); }

.proto-bar { height: 4px; background: var(--bg-alt); border-radius: 2px; margin-bottom: 6px; }
.proto-bar-fill { height: 100%; background: var(--corr-high); border-radius: 2px; }
.proto-bar-label { font-size: 11px; color: var(--text-muted); }

/* PROVIDERS */
.providers {
  padding: 96px 48px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

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

.providers-text h2 {
  font-size: clamp(28px, 2.5vw, 44px);
  color: var(--navy);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.providers-text p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.provider-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pf-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--navy);
}

.pf-item svg { color: var(--corr-high); flex-shrink: 0; }

.provider-screenshot {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.ps-header {
  background: var(--navy);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ps-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.2); }
.ps-title { font-size: 12px; color: #8A96A8; margin-left: 8px; }

.ps-body { padding: 24px; }

.ps-metric { margin-bottom: 20px; }
.ps-metric-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; display: block; margin-bottom: 4px; }
.ps-metric-val { font-family: 'Cormorant Garamond', serif; font-size: 36px; font-weight: 700; color: var(--navy); }
.ps-metric-delta { font-size: 12px; color: var(--corr-high); display: block; }
.positive { color: var(--corr-high); }

.ps-chart { margin-bottom: 20px; }
.ps-chart-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.ps-sparkline svg { width: 100%; height: 40px; }

.ps-recommendation { background: var(--bg); border-radius: 6px; padding: 14px; }
.ps-rec-label { font-size: 10px; color: var(--amber); text-transform: uppercase; letter-spacing: 0.08em; display: block; margin-bottom: 6px; }
.ps-rec-text { font-size: 13px; color: var(--navy); line-height: 1.5; }

/* CLOSING */
.closing { padding: 96px 48px; }

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

.closing-headline {
  font-size: clamp(36px, 4vw, 64px);
  color: var(--navy);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  line-height: 1.1;
}

.closing-sub {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 560px;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
  background: var(--navy);
}

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

.footer-brand { font-family: 'Cormorant Garamond', serif; font-weight: 700; font-size: 18px; color: #FFFFFF; }
.footer-copy { font-size: 13px; color: #6B7A8F; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .nav { padding: 16px 24px; }
  .hero, .engine, .measurement, .protocols, .providers, .closing { padding: 64px 24px; }
  .hero-content, .engine-inner, .protocols-inner, .providers-inner { grid-template-columns: 1fr; gap: 40px; }
  .metrics { padding: 40px 24px; }
  .metrics-inner { flex-direction: column; gap: 32px; }
  .metric { padding: 0; }
  .metric-divider { width: 48px; height: 1px; margin: 0; }
  .footer { padding: 24px; }
  .footer-inner { flex-direction: column; gap: 8px; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 42px; }
  .viz-card { max-width: 100%; }
}