:root {
  --bg: #0a0a0f;
  --bg-raised: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #4af0c0;
  --accent-dim: rgba(74, 240, 192, 0.1);
  --accent-glow: rgba(74, 240, 192, 0.25);
  --border: rgba(255,255,255,0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1100px;
}

* { 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: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- HERO ---- */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 100px 24px 80px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 100px;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(44px, 7vw, 80px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.hero h1 .accent {
  color: var(--accent);
  position: relative;
}

.lede {
  font-size: 19px;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.65;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ---- HOW ---- */
.how {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 24px;
}

.section-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 48px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step {
  padding: 32px;
  border-radius: 16px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  transition: border-color 0.3s;
}

.step:hover {
  border-color: var(--accent-glow);
}

.step-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: 16px;
  line-height: 1;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
}

.step p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ---- FEATURES ---- */
.features {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 24px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 36px;
  border-radius: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: transform 0.2s, border-color 0.3s;
}

.feature-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-glow);
}

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

.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
  filter: grayscale(0.3);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
  max-width: 560px;
}

/* ---- CLOSING ---- */
.closing {
  padding: 100px 24px;
  text-align: center;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.closing p {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 12px;
}

.closing-accent {
  color: var(--accent) !important;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 16px !important;
  letter-spacing: 0.5px;
  margin-top: 24px !important;
}

/* ---- FOOTER ---- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
}

.footer-note {
  font-size: 13px;
  color: var(--fg-muted);
}

.footer-note a {
  color: var(--accent);
  text-decoration: none;
}

.footer-note a:hover {
  text-decoration: underline;
}

/* ---- NAV ---- */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.site-nav-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--fg);
  text-decoration: none;
}
.site-nav-brand span { color: var(--accent); }

.site-nav-cta {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent-glow);
  border-radius: 10px;
  padding: 8px 20px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s;
}
.site-nav-cta:hover { background: var(--accent-glow); }

/* ---- HERO CTA BUTTON ---- */
.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #0a0a0f;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 14px;
  padding: 16px 36px;
  transition: opacity 0.2s, transform 0.15s;
  letter-spacing: 0.2px;
}
.hero-cta-btn:hover {
  opacity: 0.88;
  transform: translateY(-2px);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero { padding: 64px 20px 48px; }
  .lede { font-size: 17px; }
  .steps { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-large { grid-column: span 1; }
  .hero-stats { gap: 20px; }
  .stat-divider { display: none; }
  .closing { padding: 64px 20px; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { letter-spacing: -1px; }
  .step { padding: 24px; }
  .feature-card { padding: 24px; }
}