:root {
  --bg-dark: #0d0d1a;
  --bg-mid: #13132a;
  --bg-card: #1a1a35;
  --bg-light: #f7f4ee;
  --text-light: #e8e4d8;
  --text-muted: #8a8899;
  --text-dark: #1a1a2e;
  --accent: #d4a843;
  --accent-dim: rgba(212, 168, 67, 0.12);
  --accent-ckg: #4a9b8c;
  --accent-vault: #7b68c0;
  --border: rgba(232, 228, 216, 0.08);
  --border-mid: rgba(232, 228, 216, 0.15);
}

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

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

/* Hero */
.hero {
  background: var(--bg-dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 48px 40px;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212,168,67,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(44px, 5vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text-light);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
}
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-number {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--text-light);
  line-height: 1;
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}
.accent-card {
  border-color: rgba(212,168,67,0.25);
  background: rgba(212,168,67,0.05);
}
.accent-card .stat-number { color: var(--accent); }
.hero-bottom-rule {
  max-width: 1200px;
  margin: 48px auto 0;
  width: 100%;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.rule-label {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
  font-family: 'Cormorant Garamond', Georgia, serif;
}

/* Shared */
.section-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

/* Problem */
.problem {
  background: var(--bg-mid);
  padding: 100px 48px;
}
.problem-inner { max-width: 1200px; margin: 0 auto; }
.problem-headline {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(32px, 3.5vw, 52px);
  font-weight: 600;
  line-height: 1.15;
  color: var(--text-light);
  margin-bottom: 28px;
}
.problem-body {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 720px;
  line-height: 1.8;
  margin-bottom: 56px;
}
.problem-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.problem-col { padding-left: 4px; }
.problem-col h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 10px;
  margin-top: 16px;
}
.problem-col p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.problem-icon { color: var(--accent); }

/* Solution */
.solution {
  background: var(--bg-dark);
  padding: 100px 48px;
}
.solution-inner { max-width: 1200px; margin: 0 auto; }
.solution-headline {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(32px, 3.5vw, 52px);
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 20px;
}
.solution-body {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 720px;
  line-height: 1.8;
  margin-bottom: 52px;
}
.solution-features { display: flex; flex-direction: column; gap: 28px; }
.sf-item { display: flex; gap: 20px; align-items: flex-start; }
.sf-dot {
  width: 8px;
  height: 8px;
  min-width: 8px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 8px;
}
.sf-item strong { font-size: 15px; color: var(--text-light); display: block; margin-bottom: 4px; }
.sf-item p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* Architecture */
.architecture {
  background: var(--bg-light);
  padding: 100px 48px;
  color: var(--text-dark);
}
.arch-inner { max-width: 1200px; margin: 0 auto; }
.architecture .section-label { color: #9a7a30; }
.arch-headline {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(32px, 3.5vw, 52px);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}
.arch-sub { font-size: 17px; color: #5a5a7a; line-height: 1.7; margin-bottom: 48px; max-width: 640px; }
.arch-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 48px; }
.arch-card {
  border-radius: 16px;
  padding: 36px;
  border: 1px solid rgba(26,26,46,0.1);
}
.arch-card.ckg { background: #f0ede4; }
.arch-card.vault { background: #f0ede4; }
.arch-card-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #9a7a30;
  margin-bottom: 12px;
}
.arch-card h3 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
}
.arch-card-desc { font-size: 14px; color: #4a4a6a; line-height: 1.65; margin-bottom: 20px; }
.arch-card-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.arch-card-list li { font-size: 13px; color: #3a3a5a; padding-left: 16px; position: relative; line-height: 1.5; }
.arch-card-list li::before { content: '—'; position: absolute; left: 0; color: #9a7a30; }
.arch-divider { display: flex; align-items: center; gap: 20px; margin-bottom: 20px; }
.arch-divider-line { flex: 1; height: 1px; background: rgba(26,26,46,0.12); }
.arch-divider-label { font-size: 12px; color: #7a7a9a; font-weight: 500; white-space: nowrap; }
.arch-footer-note { font-size: 14px; color: #5a5a7a; line-height: 1.65; max-width: 640px; }

/* Pipeline */
.pipeline { background: var(--bg-mid); padding: 100px 48px; }
.pipeline-inner { max-width: 1200px; margin: 0 auto; }
.pipeline-headline {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(32px, 3.5vw, 52px);
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 20px;
}
.pipeline-body { font-size: 17px; color: var(--text-muted); line-height: 1.8; margin-bottom: 56px; max-width: 680px; }
.pipeline-stages { display: flex; align-items: stretch; gap: 0; }
.stage {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
}
.stage-num {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}
.stage h4 { font-size: 14px; font-weight: 600; color: var(--text-light); margin-bottom: 8px; }
.stage p { font-size: 12px; color: var(--text-muted); line-height: 1.6; }
.stage-arrow { display: flex; align-items: center; padding: 0 16px; color: var(--text-muted); }

/* Closing */
.closing { background: var(--bg-dark); padding: 100px 48px; }
.closing-inner { max-width: 1200px; margin: 0 auto; }
.closing-headline {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(28px, 3vw, 48px);
  font-weight: 600;
  color: var(--text-light);
  line-height: 1.25;
  margin-bottom: 28px;
}
.closing-body { font-size: 17px; color: var(--text-muted); line-height: 1.8; margin-bottom: 20px; max-width: 680px; }
.closing-rule { margin-top: 60px; padding-top: 40px; border-top: 1px solid var(--border); }
.cr-text { font-size: 13px; color: var(--accent); letter-spacing: 0.08em; font-weight: 500; }

/* Footer */
footer {
  background: #080814;
  padding: 40px 48px;
  border-top: 1px solid var(--border);
}
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.footer-logo {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-light);
  display: block;
  margin-bottom: 4px;
}
.footer-tagline { font-size: 12px; color: var(--text-muted); }
.footer-note { font-size: 12px; color: var(--text-muted); text-align: right; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .problem-columns { grid-template-columns: 1fr; gap: 32px; }
  .arch-grid { grid-template-columns: 1fr; }
  .pipeline-stages { flex-direction: column; gap: 12px; }
  .stage-arrow { transform: rotate(90deg); padding: 8px 0; justify-content: center; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-note { text-align: center; }
}
@media (max-width: 600px) {
  .hero, .problem, .solution, .architecture, .pipeline, .closing { padding: 64px 24px; }
  .stat-grid { grid-template-columns: 1fr; }
  footer { padding: 32px 24px; }
}