:root {
  --bg: #0A1628;
  --bg-surface: #0F1D33;
  --bg-card: #142240;
  --fg: #E8ECF2;
  --fg-muted: #8B95A8;
  --gold: #D4A853;
  --gold-soft: rgba(212, 168, 83, 0.15);
  --gold-glow: rgba(212, 168, 83, 0.08);
  --border: rgba(255,255,255,0.06);
  --radius: 12px;
  --font-heading: 'DM Sans', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  background: rgba(10, 22, 40, 0.85);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--gold);
  color: var(--bg);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  border-radius: 8px;
  letter-spacing: -0.5px;
}
.logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--fg);
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* LANGUAGE SWITCHER */
.lang-switcher {
  display: flex;
  gap: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px;
}
.lang-btn {
  background: transparent;
  border: none;
  color: var(--fg-muted);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1;
  white-space: nowrap;
}
.lang-btn:hover {
  color: var(--fg);
  background: rgba(255,255,255,0.05);
}
.lang-btn.active {
  background: var(--gold);
  color: var(--bg);
  font-weight: 600;
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 24px 80px;
}
.hero-inner {
  max-width: 900px;
  text-align: center;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--gold-soft);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  border-radius: 100px;
  margin-bottom: 32px;
  border: 1px solid rgba(212, 168, 83, 0.25);
}
.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(42px, 7vw, 80px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}
.hero-gold {
  color: var(--gold);
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 48px;
  line-height: 1.7;
}
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 32px 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.stat-value {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -1px;
}
.stat-value.gold {
  color: var(--gold);
}
.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}
.hero-gradient {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* SAVINGS */
.savings {
  padding: 120px 24px;
  background: var(--bg-surface);
}
.savings-inner {
  max-width: 960px;
  margin: 0 auto;
}
.savings-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}
.savings h2, .how-it-works h2, .diff h2, .txflow h2, .closing h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.15;
}
.savings-grid {
  display: flex;
  align-items: stretch;
  gap: 24px;
  margin-bottom: 40px;
}
.savings-card {
  flex: 1;
  padding: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.savings-card.old {
  background: var(--bg-card);
}
.savings-card.new {
  background: var(--bg-card);
  border-color: rgba(212, 168, 83, 0.3);
  box-shadow: 0 0 40px var(--gold-glow);
}
.card-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--fg-muted);
  margin-bottom: 16px;
}
.card-scenario {
  font-size: 15px;
  color: var(--fg-muted);
  margin-bottom: 12px;
}
.card-cost {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}
.card-cost.gold {
  color: var(--gold);
}
.card-detail {
  font-size: 14px;
  color: var(--fg-muted);
}
.savings-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.savings-vs span {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}
.savings-note {
  text-align: center;
  font-size: 18px;
  color: var(--fg-muted);
}
.savings-note strong {
  color: var(--gold);
}

/* HOW IT WORKS */
.how-it-works {
  padding: 120px 24px;
}
.how-inner {
  max-width: 960px;
  margin: 0 auto;
}
.how-it-works .section-label {
  margin-bottom: 16px;
}
.how-it-works h2 {
  margin-bottom: 64px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.step {
  padding: 32px;
  border-radius: var(--radius);
  background: var(--bg-surface);
  border: 1px solid var(--border);
}
.step-num {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 700;
  color: var(--gold);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 20px;
}
.step h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}
.step p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* DIFFERENTIATORS */
.diff {
  padding: 120px 24px;
  background: var(--bg-surface);
}
.diff-inner {
  max-width: 1060px;
  margin: 0 auto;
}
.diff .section-label {
  margin-bottom: 16px;
}
.diff h2 {
  margin-bottom: 64px;
}
.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.diff-card {
  padding: 36px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}
.diff-card:hover {
  border-color: rgba(212, 168, 83, 0.2);
}
.diff-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-soft);
  border-radius: 12px;
  margin-bottom: 20px;
  color: var(--fg);
}
.diff-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}
.diff-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* TRANSACTION FLOW */
.txflow {
  padding: 120px 24px;
}
.txflow-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.txflow .section-label {
  margin-bottom: 16px;
}
.txflow h2 {
  margin-bottom: 64px;
}
.flow-track {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 0 8px;
}
.flow-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--fg-muted);
}
.flow-dot.active {
  background: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 16px rgba(212, 168, 83, 0.4);
}
.flow-content h4 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 2px;
}
.flow-content p {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.flow-line {
  width: 40px;
  height: 2px;
  background: var(--border);
  margin-top: -32px;
}
.txflow-note {
  font-size: 13px;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* CLOSING */
.closing {
  padding: 140px 24px;
  text-align: center;
  background: var(--bg-surface);
}
.closing-inner {
  max-width: 780px;
  margin: 0 auto;
}
.closing h2 {
  margin-bottom: 32px;
}
.closing-body {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}
.closing-body:last-child {
  color: var(--fg);
  font-weight: 500;
  font-size: 20px;
}

/* FOOTER */
.footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
}
.footer-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.footer-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
}
.footer-legal {
  font-size: 12px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 500px;
  text-align: right;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { padding: 100px 20px 60px; }
  .hero h1 { letter-spacing: -1px; }
  .hero-stats {
    flex-direction: column;
    gap: 20px;
    padding: 24px;
  }
  .stat-divider {
    width: 60px;
    height: 1px;
  }
  .savings { padding: 80px 20px; }
  .savings-grid {
    flex-direction: column;
  }
  .savings-vs {
    padding: 8px 0;
  }
  .how-it-works { padding: 80px 20px; }
  .steps {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .diff { padding: 80px 20px; }
  .diff-grid {
    grid-template-columns: 1fr;
  }
  .txflow { padding: 80px 20px; }
  .flow-track {
    flex-direction: column;
    gap: 0;
  }
  .flow-line {
    width: 2px;
    height: 24px;
    margin-top: 0;
  }
  .closing { padding: 80px 20px; }
  .footer-inner {
    flex-direction: column;
    gap: 20px;
  }
  .footer-legal {
    text-align: left;
  }
  .nav-tagline { display: none; }
  .nav-right { gap: 0; }
  .lang-btn { font-size: 12px; padding: 4px 8px; }
}