:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-2: #334155;
  --accent: #f59e0b;
  --accent-dim: #d97706;
  --text: #f8fafc;
  --text-2: #94a3b8;
  --text-3: #64748b;
  --green: #22c55e;
  --red: #ef4444;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Syne', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* NAV */
.nav {
  padding: 24px 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 20px;
  color: var(--text);
  letter-spacing: -0.3px;
}
.nav-tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-left: 1px solid rgba(255,255,255,0.1);
  padding-left: 16px;
}

/* HERO */
.hero {
  padding: 80px 48px 96px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 24px;
  letter-spacing: -1px;
}
.hero-sub {
  font-size: 17px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 48px;
  max-width: 440px;
}
.hero-stats {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.stat {
  padding-right: 40px;
}
.stat-value {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -1px;
}
.stat-label {
  display: block;
  font-size: 13px;
  color: var(--text-3);
  margin-top: 6px;
  max-width: 160px;
  line-height: 1.4;
}
.stat-divider {
  width: 1px;
  background: rgba(255,255,255,0.08);
  height: 60px;
  align-self: center;
  margin-right: 40px;
}

/* VAULT DISPLAY */
.vault-display {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  overflow: hidden;
  font-size: 13px;
}
.vault-header {
  background: var(--surface-2);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.vault-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.vault-dot.green { background: var(--green); }
.vault-dot.amber { background: var(--accent); }
.vault-dot.red { background: var(--red); }
.vault-title {
  margin-left: 8px;
  color: var(--text-3);
  font-size: 12px;
}
.vault-row {
  display: grid;
  grid-template-columns: 10px 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.vault-row:last-of-type {
  border-bottom: none;
}
.vault-row.muted { opacity: 0.4; }
.vault-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-3);
}
.vault-status.active { background: var(--green); }
.vault-prop {
  color: var(--text-2);
  font-size: 12px;
}
.vault-arv {
  color: var(--text-3);
  font-size: 12px;
  text-align: right;
}
.vault-offer {
  color: var(--text-3);
  font-size: 12px;
  font-weight: 600;
  text-align: right;
  min-width: 72px;
}
.vault-offer.amber { color: var(--accent); }
.vault-footer {
  background: rgba(245,158,11,0.08);
  padding: 12px 16px;
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--text-2);
  font-weight: 500;
}
.vault-sep { color: var(--text-3); }

/* PROBLEM */
.problem {
  padding: 96px 48px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.problem-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 24px;
}
.problem-headline {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 64px;
  max-width: 600px;
  letter-spacing: -0.5px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  overflow: hidden;
}
.problem-card {
  background: var(--bg);
  padding: 40px 36px;
}
.problem-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(239,68,68,0.12);
  color: #ef4444;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 20px;
}
.problem-card h3 {
  font-size: 17px;
  color: var(--text);
  margin-bottom: 12px;
}
.problem-card p {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.65;
}

/* VAULT SECTION */
.vault-section {
  padding: 96px 48px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.vault-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.vault-section-header {
  margin-bottom: 64px;
}
.vault-section-headline {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  color: var(--text);
  margin-top: 8px;
  letter-spacing: -0.5px;
}
.vault-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.vault-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 48px;
  padding: 48px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  align-items: start;
}
.vault-step:last-child { border-bottom: none; }
.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 48px;
  font-weight: 800;
  color: rgba(245,158,11,0.15);
  line-height: 1;
  padding-top: 4px;
}
.step-content h3 {
  font-size: 22px;
  color: var(--text);
  margin-bottom: 14px;
}
.step-content p {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 560px;
}

/* FORMULA */
.formula {
  padding: 96px 48px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.formula-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 32px;
}
.formula-box {
  background: var(--surface);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: 16px;
  padding: 48px;
  width: 100%;
  max-width: 800px;
}
.formula-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}
.formula-equation {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 32px;
}
.formula-var {
  color: var(--text-2);
  letter-spacing: -0.5px;
}
.formula-num {
  color: var(--accent);
}
.formula-op {
  color: var(--text-3);
}
.formula-eq {
  color: var(--text-3);
  margin-left: 4px;
}
.formula-result {
  color: var(--green);
}
.formula-example {
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  padding: 16px 20px;
  font-size: 14px;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 8px;
}
.formula-example strong {
  color: var(--text);
  font-weight: 700;
}
.formula-note {
  font-size: 15px;
  color: var(--text-3);
  max-width: 560px;
  line-height: 1.65;
}

/* CLOSING */
.closing {
  padding: 120px 48px;
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
}
.closing-inner {
  max-width: 800px;
  margin: 0 auto;
}
.closing-headline {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}
.closing-sub {
  font-size: 18px;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto;
}

/* FOOTER */
.footer {
  padding: 32px 48px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.footer-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 16px;
  color: var(--text);
}
.footer-tagline {
  font-size: 12px;
  color: var(--text-3);
  border-left: 1px solid rgba(255,255,255,0.1);
  padding-left: 16px;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero { padding: 60px 24px 72px; }
  .problem { padding: 72px 24px; }
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .vault-section { padding: 72px 24px; }
  .vault-step { grid-template-columns: 1fr; gap: 16px; }
  .step-num { font-size: 32px; }
  .formula { padding: 72px 24px; }
  .formula-box { padding: 32px 24px; }
  .formula-equation { font-size: 22px; }
  .closing { padding: 80px 24px; }
  .nav { padding: 20px 24px; }
  .footer { padding: 24px; }
}

@media (max-width: 600px) {
  .hero-stats { flex-direction: column; }
  .stat-divider { display: none; }
  .stat { padding-right: 0; padding-bottom: 24px; }
  .vault-row { grid-template-columns: 10px 1fr; }
  .vault-arv, .vault-offer { display: none; }
}