/* ============================================================
   OptWheel marketing site — matches the app's terminal aesthetic
   ============================================================ */
:root {
  --bg-base: #0a0e13;
  --bg-surface: #131820;
  --bg-elevated: #1a212c;
  --border-hairline: #1f2733;
  --border-strong: #2a3441;
  --text-primary: #e8e4d9;
  --text-secondary: #a8b0bc;
  --text-muted: #6b7585;
  --accent-gold: #d4a574;
  --accent-gold-dim: #8a6f4d;
  --accent-slate: #7d8aa0;
  --accent-green: #4ade80;
  --accent-red: #f87171;
  --accent-cyan: #67e8f9;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: '';
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(circle at 20% 0%, rgba(212, 165, 116, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 100%, rgba(125, 138, 160, 0.05) 0%, transparent 50%);
}
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
a { color: var(--accent-cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border-hairline);
  background: rgba(10, 14, 19, 0.85);
  backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 50;
}
.site-header .inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; gap: 16px; flex-wrap: wrap; }
.logo img { height: 40px; display: block; }
.site-nav { display: flex; gap: 22px; align-items: center; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; }
.site-nav a { color: var(--text-secondary); }
.site-nav a:hover { color: var(--accent-gold); text-decoration: none; }
.btn {
  display: inline-block; padding: 12px 24px;
  border: 1px solid var(--border-strong); background: var(--bg-elevated);
  color: var(--text-primary); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
  cursor: pointer; transition: all 0.15s;
}
.btn:hover { border-color: var(--accent-gold); color: var(--accent-gold); text-decoration: none; }
.btn-primary, a.btn-primary { background: #0d1117; border-color: var(--accent-gold-dim); color: var(--accent-gold); font-weight: 600; }
.btn-primary:hover, a.btn-primary:hover { background: var(--accent-gold); border-color: var(--accent-gold); color: var(--bg-base); text-decoration: none; }

/* Sections */
section { padding: 72px 0; border-bottom: 1px solid var(--border-hairline); }
.kicker { font-size: 12px; color: var(--accent-gold); letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 14px; font-family: 'JetBrains Mono', monospace; }
h1, h2, h3 { font-family: 'Fraunces', serif; font-weight: 500; letter-spacing: -0.01em; }
h1 { font-size: clamp(34px, 5.5vw, 56px); line-height: 1.12; margin-bottom: 20px; }
h1 em { color: var(--accent-gold); font-style: italic; }
h2 { font-size: clamp(26px, 3.6vw, 36px); margin-bottom: 14px; }
h3 { font-size: 19px; margin-bottom: 8px; }
.lede { font-size: 18px; color: var(--text-secondary); max-width: 660px; }

/* Hero */
.hero { padding: 96px 0 84px; }
.hero .cta-row { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; align-items: center; }
.hero .cta-note { font-size: 12px; color: var(--text-muted); }
.hero-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-top: 56px; }
.stat { background: var(--bg-surface); border: 1px solid var(--border-hairline); padding: 18px; }
.stat .label { font-size: 10px; color: var(--text-muted); letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 6px; }
.stat .value { font-family: 'JetBrains Mono', monospace; font-size: 20px; color: var(--accent-gold); }
.stat .sub { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* Cards / grids */
.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }
.card { background: var(--bg-surface); border: 1px solid var(--border-hairline); padding: 24px; }
.card .num { font-family: 'JetBrains Mono', monospace; color: var(--accent-gold-dim); font-size: 11px; letter-spacing: 0.1em; display: block; margin-bottom: 10px; }
.card p { font-size: 14px; color: var(--text-secondary); }

/* Pricing */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
@media (max-width: 860px) { .price-grid { grid-template-columns: 1fr; } }
.plan { background: var(--bg-surface); border: 1px solid var(--border-hairline); padding: 30px 26px; display: flex; flex-direction: column; }
.plan.featured { border-color: var(--accent-gold-dim); box-shadow: 0 0 40px rgba(212, 165, 116, 0.08); }
.plan .name { font-family: 'Fraunces', serif; font-size: 22px; margin-bottom: 4px; }
.plan .tag { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 18px; }
.plan .price { font-family: 'JetBrains Mono', monospace; font-size: 34px; color: var(--accent-gold); }
.plan .per { font-size: 13px; color: var(--text-muted); }
.plan .annual { font-size: 12px; color: var(--text-muted); margin: 6px 0 20px; }
.plan ul { list-style: none; margin: 0 0 26px; flex: 1; }
.plan li { font-size: 14px; color: var(--text-secondary); padding: 7px 0 7px 22px; position: relative; border-bottom: 1px solid var(--border-hairline); }
.plan li::before { content: '·'; position: absolute; left: 6px; color: var(--accent-gold); font-weight: 700; }
.badge { display: inline-block; padding: 2px 10px; border: 1px solid var(--border-strong); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-secondary); }
.badge.gold { color: var(--accent-gold); border-color: var(--accent-gold-dim); }

/* Disclaimer + FAQ */
.disclaimer {
  background: rgba(248, 113, 113, 0.06); border: 1px solid rgba(138, 56, 56, 0.8);
  padding: 18px 22px; font-size: 13px; color: var(--text-secondary); line-height: 1.7;
}
.disclaimer strong { color: var(--accent-red); }
details { border: 1px solid var(--border-hairline); background: var(--bg-surface); margin-bottom: 10px; }
summary { padding: 16px 20px; cursor: pointer; font-size: 15px; color: var(--text-primary); list-style: none; }
summary::before { content: '+ '; color: var(--accent-gold); font-family: 'JetBrains Mono', monospace; }
details[open] summary::before { content: '− '; }
details .answer { padding: 0 20px 18px; font-size: 14px; color: var(--text-secondary); }

/* Legal pages */
.legal { max-width: 780px; }
.legal h1 { font-size: 34px; }
.legal h2 { font-size: 21px; margin: 36px 0 10px; }
.legal p, .legal li { font-size: 14.5px; color: var(--text-secondary); margin-bottom: 10px; }
.legal ul { padding-left: 22px; margin-bottom: 12px; }
.legal .updated { font-size: 12px; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; margin-bottom: 30px; }
.legal table { width: 100%; border-collapse: collapse; font-size: 13px; margin: 14px 0; }
.legal th, .legal td { text-align: left; padding: 9px 12px; border: 1px solid var(--border-hairline); color: var(--text-secondary); vertical-align: top; }
.legal th { background: var(--bg-elevated); color: var(--text-muted); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }

/* Footer */
.site-footer { padding: 40px 0 60px; font-size: 12px; color: var(--text-muted); }
.site-footer .inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.site-footer a { color: var(--text-secondary); margin-right: 18px; }
.site-footer .fine { margin-top: 18px; max-width: 760px; line-height: 1.7; }