:root {
  --obsidian: #0d0d0d;
  --parchment: #f5f0e8;
  --gold: #c9a84c;
  --gold-dim: rgba(201, 168, 76, 0.3);
  --muted: rgba(245, 240, 232, 0.45);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--obsidian);
  color: var(--parchment);
  font-family: var(--font-body);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* NAV */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 4rem;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}
.nav-brand { display: flex; align-items: center; gap: 0.5rem; }
.brand-mark { color: var(--gold); font-size: 0.6rem; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.nav-tagline {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

/* HERO */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 8rem 4rem 6rem;
  position: relative;
  background: var(--obsidian);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(201, 168, 76, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(201, 168, 76, 0.03) 0%, transparent 50%);
  pointer-events: none;
}
.hero-inner { max-width: 780px; position: relative; z-index: 2; }
.hero-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.75rem;
}
.hero-headline {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3.2rem, 7vw, 5.5rem);
  line-height: 1.0;
  letter-spacing: -0.01em;
  margin-bottom: 2rem;
  color: var(--parchment);
}
.hero-sub {
  font-size: 1.05rem;
  line-height: 1.75;
  color: rgba(245, 240, 232, 0.65);
  max-width: 520px;
}
.hero-atmosphere {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 4rem 2rem 4rem 4rem;
  position: relative;
}
.atm-line {
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--gold-dim), transparent);
  height: 120px;
}
.atm-glyph {
  color: var(--gold);
  font-size: 2rem;
  opacity: 0.4;
}

/* PROOF */
.proof {
  border-top: 1px solid rgba(201, 168, 76, 0.12);
  border-bottom: 1px solid rgba(201, 168, 76, 0.12);
  background: rgba(201, 168, 76, 0.03);
}
.proof-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 4rem;
}
.proof-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 0 4rem;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--gold);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.proof-divider {
  width: 1px;
  height: 60px;
  background: rgba(201, 168, 76, 0.2);
}

/* FEATURES */
.features {
  padding: 8rem 4rem;
}
.features-header {
  margin-bottom: 4rem;
}
.section-label {
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(201, 168, 76, 0.12);
}
.feature-card {
  background: var(--obsidian);
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, var(--gold), transparent);
  opacity: 0.4;
}
.feature-icon {
  color: var(--gold);
  font-size: 1.4rem;
  opacity: 0.6;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--parchment);
}
.feature-card p {
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(245, 240, 232, 0.5);
}

/* PLAYBOOK */
.playbook {
  padding: 8rem 4rem;
  background: rgba(245, 240, 232, 0.02);
  border-top: 1px solid rgba(201, 168, 76, 0.08);
}
.playbook-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}
.playbook-left .section-label { display: block; margin-bottom: 2.5rem; }
.playbook-comparison { display: flex; flex-direction: column; gap: 0; }
.comparison-row {
  padding: 2rem;
  border-left: 2px solid;
}
.comparison-old { border-color: rgba(245, 240, 232, 0.15); }
.comparison-new { border-color: var(--gold); }
.comparison-label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}
.comparison-row p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(245, 240, 232, 0.55);
}
.comparison-new .comparison-label { color: var(--gold); }
.comparison-new p { color: rgba(245, 240, 232, 0.8); }

.playbook-quote blockquote {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
  font-weight: 300;
  line-height: 1.5;
  color: var(--parchment);
  border-left: 2px solid var(--gold);
  padding-left: 2rem;
  margin-bottom: 1.5rem;
}
.playbook-quote cite {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  font-style: normal;
  padding-left: 2rem;
}

/* CLOSING */
.closing { padding: 10rem 4rem; }
.closing-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 3rem;
}
.closing-statement {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 300;
  line-height: 1.3;
  max-width: 720px;
  letter-spacing: -0.01em;
}
.closing-mark {
  color: var(--gold);
  font-size: 1rem;
  opacity: 0.5;
}

/* FOOTER */
.footer {
  border-top: 1px solid rgba(201, 168, 76, 0.1);
  padding: 3rem 4rem;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand { display: flex; align-items: center; gap: 0.5rem; }
.footer-copy {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(245, 240, 232, 0.25);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .navbar { padding: 1.5rem 2rem; }
  .hero { padding: 7rem 2rem 4rem; grid-template-columns: 1fr; }
  .hero-atmosphere { display: none; }
  .hero-headline { font-size: 3rem; }
  .proof-inner { flex-direction: column; gap: 2.5rem; padding: 3rem 2rem; }
  .proof-divider { width: 60px; height: 1px; }
  .features { padding: 5rem 2rem; }
  .features-grid { grid-template-columns: 1fr; }
  .playbook { padding: 5rem 2rem; }
  .playbook-inner { grid-template-columns: 1fr; gap: 3rem; }
  .closing { padding: 6rem 2rem; }
  .footer { padding: 2rem; }
  .footer-inner { flex-direction: column; gap: 1rem; text-align: center; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 2.5rem; }
  .stat-num { font-size: 2.2rem; }
  .proof-stat { padding: 0 1.5rem; }
}