:root {
  --bg: #0a0a0c;
  --bg-elevated: #111114;
  --bg-card: #16161a;
  --fg: #e8e6e3;
  --fg-muted: #8a8a8f;
  --accent: #e8973f;
  --accent-glow: rgba(232, 151, 63, 0.15);
  --border: rgba(255, 255, 255, 0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 12px;
  --max-w: 1200px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.accent { color: var(--accent); }

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 40px 60px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 32px;
  background: var(--accent-glow);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 84px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 19px;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
}

.hero-grid {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.hero-stat { display: flex; flex-direction: column; gap: 4px; }

.stat-number {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -1px;
}

.stat-label {
  font-size: 14px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* MARQUEE */
.marquee-wrapper {
  overflow: hidden;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.marquee-track {
  display: flex;
  gap: 32px;
  animation: marquee 20s linear infinite;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--fg-muted);
  text-transform: uppercase;
}

.marquee-track .dot { color: var(--accent); font-size: 8px; }

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* FEATURES */
.features {
  padding: 120px 40px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.features-header {
  margin-bottom: 64px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
}

.features-header p {
  color: var(--fg-muted);
  font-size: 18px;
  max-width: 500px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color 0.3s;
}

.feature-card:hover {
  border-color: rgba(232, 151, 63, 0.3);
}

.feature-card.feature-large {
  grid-column: span 2;
}

.feature-icon {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* HOW SECTION */
.how {
  padding: 100px 40px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.how-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.how-left h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.15;
  position: sticky;
  top: 80px;
}

.how-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.how-col {
  padding: 32px;
  border-radius: var(--radius);
}

.how-old {
  background: rgba(255, 60, 60, 0.04);
  border: 1px solid rgba(255, 60, 60, 0.12);
}

.how-new {
  background: var(--accent-glow);
  border: 1px solid rgba(232, 151, 63, 0.2);
}

.how-col h4 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
  color: var(--fg-muted);
}

.how-new h4 { color: var(--accent); }
.how-old h4 { color: #ff5c5c; }

.how-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.how-col li {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
  padding-left: 16px;
  position: relative;
}

.how-col li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--fg-muted);
}

.how-new li { color: var(--fg); }
.how-new li::before { background: var(--accent); }

/* CLOSING */
.closing {
  padding: 140px 40px;
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -2px;
  line-height: 1.15;
  margin-bottom: 24px;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 19px;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* FOOTER */
.site-footer {
  padding: 48px 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--fg-muted);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { padding: 60px 24px 40px; min-height: auto; }
  .hero h1 { letter-spacing: -1px; }
  .hero-grid { flex-direction: column; gap: 24px; }
  .features { padding: 80px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card.feature-large { grid-column: span 1; }
  .how { padding: 80px 24px; }
  .how-inner { grid-template-columns: 1fr; gap: 40px; }
  .how-left h2 { position: static; }
  .how-comparison { grid-template-columns: 1fr; }
  .closing { padding: 80px 24px; }
  .site-footer { padding: 32px 24px; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}