:root {
  --bg: #0a0e17;
  --bg-surface: #111827;
  --bg-card: #1a2235;
  --fg: #e2e8f0;
  --fg-muted: #94a3b8;
  --fg-dim: #64748b;
  --accent: #22d3a7;
  --accent-glow: rgba(34, 211, 167, 0.15);
  --accent-bright: #34eabd;
  --border: rgba(148, 163, 184, 0.1);
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

* { 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: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  border: 1px solid rgba(34, 211, 167, 0.3);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 40px;
  position: relative;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  max-width: 800px;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

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

.lede {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 580px;
  margin-bottom: 60px;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 32px 48px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: 0.82rem;
  color: var(--fg-dim);
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 120px 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 16px;
}

.how-it-works h2,
.features h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 64px;
  letter-spacing: -0.02em;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  grid-template-rows: auto auto;
  column-gap: 32px;
  row-gap: 8px;
}

.step-number {
  grid-row: 1 / 3;
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--bg-card);
  -webkit-text-stroke: 1px var(--accent);
  line-height: 1;
  padding-top: 4px;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--fg);
}

.step p {
  color: var(--fg-muted);
  font-size: 1rem;
  max-width: 560px;
}

/* ===== FEATURES ===== */
.features {
  padding: 120px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

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

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  transition: border-color 0.3s ease, transform 0.2s ease;
}

.feature-card:hover {
  border-color: rgba(34, 211, 167, 0.25);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--fg);
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 80px 48px;
  background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-card) 100%);
  border: 1px solid var(--border);
  border-radius: 24px;
  position: relative;
  overflow: hidden;
}

.closing-inner::before {
  content: '';
  position: absolute;
  bottom: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
  position: relative;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 60px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--fg-dim);
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  .hero { padding: 80px 20px 60px; min-height: 80vh; }
  .hero-stats { flex-direction: column; gap: 24px; padding: 28px 32px; }
  .stat-divider { width: 48px; height: 1px; }
  .step { grid-template-columns: 1fr; }
  .step-number { grid-row: auto; font-size: 2.5rem; margin-bottom: 8px; }
  .feature-grid { grid-template-columns: 1fr; }
  .closing-inner { padding: 48px 28px; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
  .how-it-works, .features { padding: 80px 20px; }
}