:root {
  --bg: #0a0a0f;
  --bg-raised: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #c8ff00;
  --accent-dim: rgba(200, 255, 0, 0.12);
  --border: #22222e;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', 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: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── HERO ── */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 24px 60px;
  max-width: 820px;
  margin: 0 auto;
}

.hero-badge {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 32px;
  text-transform: uppercase;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -2px;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 19px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-stat {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--fg-muted);
  padding: 16px 20px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: inline-block;
}

.stat-accent {
  color: var(--accent);
  font-weight: 600;
}

/* ── STATS ── */
.stats {
  padding: 60px 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.stat-card {
  text-align: center;
  padding: 32px 16px;
}

.stat-card:not(:last-child) {
  border-right: 1px solid var(--border);
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--fg-muted);
  letter-spacing: 0.3px;
}

/* ── HOW ── */
.how {
  padding: 100px 24px;
  max-width: 820px;
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 64px;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.step-num {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 2px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--fg);
}

.step-content p {
  color: var(--fg-muted);
  font-size: 16px;
  line-height: 1.7;
}

/* ── FEATURES ── */
.features {
  padding: 100px 24px;
  max-width: 900px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.features-header {
  margin-bottom: 60px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.features-sub {
  color: var(--fg-muted);
  font-size: 18px;
  max-width: 480px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
}

.feature-icon {
  color: var(--accent);
  font-size: 20px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--fg);
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.65;
}

/* ── CLOSING ── */
.closing {
  padding: 120px 24px;
  text-align: center;
}

.closing-inner {
  max-width: 660px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 24px;
  line-height: 1.15;
}

.closing p {
  color: var(--fg-muted);
  font-size: 17px;
  line-height: 1.75;
}

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

.footer-inner {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

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

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .stat-card:not(:last-child) {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .step {
    flex-direction: column;
    gap: 16px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    min-height: auto;
    padding: 60px 20px 40px;
  }
  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* ── CTA BUTTON (landing page) ── */
.btn-hero {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 28px;
  background: var(--accent);
  color: #0a0a0f;
  border-radius: 8px;
  text-decoration: none;
  letter-spacing: -0.3px;
  transition: background 0.15s, transform 0.15s;
}

.btn-hero:hover {
  background: #d4ff1a;
  transform: translateY(-1px);
}