/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d0d0d;
  --bg-alt: #111111;
  --surface: #1a1a1a;
  --surface-2: #222222;
  --accent: #f59e0b;
  --accent-dim: rgba(245,158,11,0.12);
  --fg: #f0ede8;
  --fg-muted: #8a8780;
  --fg-dim: #5a5850;
  --border: rgba(240,237,232,0.08);
  --radius: 4px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

/* ─── Nav ─── */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 0.15em;
  color: var(--fg);
}

.nav-tagline {
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: calc(100vh - 65px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 48px 60px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(245,158,11,0.06) 0%, transparent 65%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(240,237,232,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240,237,232,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-headline {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(56px, 8vw, 96px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero-headline br { display: block; }

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 560px;
  margin-bottom: 0;
  line-height: 1.7;
}

.hero-graphic {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 380px;
  opacity: 0.7;
}

.bike-silhouette svg {
  width: 100%;
  height: auto;
}

.hero-stats {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.stat-item {
  flex: 1;
  padding-right: 40px;
}

.stat-value {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 42px;
  color: var(--fg);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 12px;
  color: var(--fg-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
  margin-right: 40px;
  flex-shrink: 0;
}

/* ─── Features ─── */
.features {
  padding: 100px 48px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.section-label {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  font-weight: 600;
}

.section-heading {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--fg);
  max-width: 560px;
  margin-bottom: 56px;
}

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

.feature-card {
  background: var(--bg-alt);
  padding: 40px 36px;
  transition: background 0.2s;
}

.feature-card:hover {
  background: var(--surface);
}

.feature-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 22px;
  letter-spacing: 0.06em;
  color: var(--fg);
  margin-bottom: 12px;
}

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

/* ─── Proof ─── */
.proof {
  padding: 100px 48px;
  background: var(--bg);
}

.proof-label {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  font-weight: 600;
}

.proof-heading {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--fg);
  max-width: 640px;
  margin-bottom: 32px;
}

.proof-body {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.proof-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  margin-top: 64px;
}

.pstat {
  padding: 40px 32px;
  border-right: 1px solid var(--border);
}

.pstat:last-child { border-right: none; }

.pstat-number {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 56px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.pstat-desc {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.5;
  max-width: 200px;
}

/* ─── How ─── */
.how {
  padding: 100px 48px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.how-label {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  font-weight: 600;
}

.how-heading {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(32px, 4vw, 48px);
  letter-spacing: 0.02em;
  color: var(--fg);
  margin-bottom: 64px;
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border);
}

.how-step {
  padding: 36px 28px;
  border-right: 1px solid var(--border);
  position: relative;
}

.how-step:last-child { border-right: none; }

.step-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 56px;
  color: var(--accent-dim);
  line-height: 1;
  margin-bottom: 20px;
}

.how-step h4 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 0.06em;
  color: var(--fg);
  margin-bottom: 12px;
}

.how-step p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ─── Manifesto ─── */
.manifesto {
  padding: 80px 48px;
  background: var(--bg);
  text-align: center;
}

.manifesto-rule {
  width: 1px;
  height: 48px;
  background: var(--accent);
  margin: 0 auto 40px;
  opacity: 0.4;
}

.manifesto-quote {
  font-family: 'Instrument Sans', sans-serif;
  font-size: clamp(20px, 3vw, 28px);
  font-style: italic;
  color: var(--fg);
  max-width: 760px;
  margin: 0 auto 40px;
  line-height: 1.5;
  font-weight: 400;
}

.manifesto-rule:last-of-type {
  margin: 40px auto 0;
}

.manifesto-sub {
  font-size: 15px;
  color: var(--fg-dim);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ─── Footer ─── */
.site-footer {
  padding: 48px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 18px;
  letter-spacing: 0.2em;
  color: var(--fg-muted);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 12px;
  color: var(--fg-dim);
  margin-bottom: 16px;
}

.footer-copy {
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .topnav { padding: 16px 24px; }

  .hero {
    padding: 60px 24px 48px;
    min-height: auto;
  }

  .hero-headline { font-size: 52px; }
  .hero-sub { font-size: 16px; }

  .hero-graphic {
    display: none;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
    align-items: flex-start;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
    margin: 0;
  }

  .features, .proof, .how, .manifesto {
    padding: 64px 24px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .proof-stats {
    grid-template-columns: 1fr;
  }

  .pstat {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 28px 24px;
  }

  .pstat:last-child { border-bottom: none; }

  .how-steps {
    grid-template-columns: 1fr;
  }

  .how-step {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 28px 0;
  }

  .how-step:last-child { border-bottom: none; }

  .manifesto { padding: 64px 24px; }
  .site-footer { padding: 32px 24px; }
}