/* Bowball marketing site — design tokens match the existing bowball.net brand:
   Fraunces (display), Public Sans (body), JetBrains Mono (data/numbers),
   dark navy surfaces, amber + cyan accents. */

:root {
  --bg-0: #0B0F14;
  --bg-1: #101215;
  --bg-2: #131A22;
  --bg-3: #1A222C;
  --bg-4: #232E3A;
  --line: #232b35;
  --cream: #FBF6EA;
  --cream-dim: #E4DCC8;
  --cream-mute: #8B96A3;
  --amber: #E8A93F;
  --cyan: #2FC8D4;
  --max-w: 1080px;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-0);
  color: var(--cream);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

body { overflow-x: hidden; }

a { color: inherit; }

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(11, 15, 20, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--cream);
}
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--cream-mute);
  transition: color 0.15s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--cream); }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--amber); color: #1B1300; }
.btn-primary:hover { background: #f0b657; }
.btn-ghost { border-color: var(--line); color: var(--cream); }
.btn-ghost:hover { border-color: var(--cream-mute); }

/* ---------- Sections ---------- */
section { padding: 96px 0; border-bottom: 1px solid var(--line); }
section:last-of-type { border-bottom: none; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 16px;
}
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; margin: 0; }
h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1.08; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.8rem, 3.2vw, 2.4rem); line-height: 1.15; margin-bottom: 18px; }
h3 { font-size: 1.15rem; margin-bottom: 8px; }
p { line-height: 1.65; color: var(--cream-dim); }
.lede { font-size: 1.15rem; color: var(--cream-dim); max-width: 640px; }

.hero { padding-top: 72px; padding-bottom: 64px; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 48px; }
.hero-cta { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }

/* ---------- Grid / cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; margin-top: 40px; }
.card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
}
.card .metric-name { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--amber); margin-bottom: 10px; display: block; }

.grid-2 { display: grid; grid-template-columns: 1fr; gap: 24px; margin-top: 40px; }

@media (min-width: 860px) {
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; align-items: center; }
  .grid-2 { grid-template-columns: 1fr 1fr; }
}

/* ---------- Stroke player ---------- */
.player {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 20px 8px;
}
.player-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}
.player-title { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--cream-mute); }
.player-src { font-family: var(--font-mono); font-size: 0.7rem; color: var(--cream-mute); }
.player-src a { color: var(--cyan); text-decoration: none; }

.trace-svg { width: 100%; height: 200px; display: block; }
.trace-line { fill: none; stroke: var(--cream); stroke-width: 2; }
.trace-fill-drive { fill: var(--cyan); opacity: 0.10; }
.trace-zero { stroke: var(--line); stroke-width: 1; }
.trace-catch-tick { stroke: var(--amber); stroke-width: 1.5; opacity: 0.9; }
.playhead { fill: var(--amber); stroke: var(--bg-2); stroke-width: 2; }
.phase-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  fill: var(--cream-mute);
}

.player-legend {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cream-mute);
  padding: 10px 4px 16px;
}
.player-legend .dot { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 6px; vertical-align: middle; }
.player-legend .dot.line { background: var(--cream); }
.player-legend .dot.drive { background: var(--cyan); opacity: 0.5; }
.player-legend .dot.catch { background: var(--amber); }

.kpi-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 4px; }
@media (min-width: 480px) { .kpi-row { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 860px) { .kpi-row { grid-template-columns: repeat(6, 1fr); } }
.kpi {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
}
.kpi-label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--cream-mute); }
.kpi-value { font-family: var(--font-mono); font-size: 1.5rem; color: var(--cream); margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi-unit { font-size: 0.85rem; color: var(--cream-mute); margin-left: 3px; }
.kpi.accent .kpi-value { color: var(--amber); }
.kpi.accent2 .kpi-value { color: var(--cyan); }

.stroke-dots { display: flex; gap: 5px; margin: 16px 4px 4px; }
.stroke-dots .d {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: var(--line);
  transition: background 0.15s ease;
}
.stroke-dots .d.active { background: var(--amber); }
.stroke-dots .d.done { background: var(--bg-4); }

.player-controls { display: flex; align-items: center; gap: 12px; padding: 4px 4px 14px; }
.player-controls button {
  background: none;
  border: 1px solid var(--line);
  color: var(--cream);
  border-radius: 8px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.player-controls button:hover { border-color: var(--cream-mute); }

/* ---------- Feature list rows (on the erg / on water) ---------- */
.feat-row { display: flex; gap: 16px; align-items: flex-start; margin-top: 28px; }
.feat-row:first-of-type { margin-top: 40px; }
.feat-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--bg-3); border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); color: var(--cyan); font-size: 0.8rem;
  flex-shrink: 0;
}

/* ---------- Footer / beta ---------- */
.beta-box {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
}
footer { padding: 40px 0; }
footer .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.foot-note { font-size: 0.85rem; color: var(--cream-mute); }

/* ---------- Knowledge page ---------- */
.kb-list { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.kb-item {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px 22px;
  display: block;
  text-decoration: none;
}
.kb-item:hover { border-color: var(--cream-mute); }
.kb-kicker { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--cyan); margin-bottom: 6px; }
.kb-item h3 { color: var(--cream); margin-bottom: 6px; }
.kb-item p { margin: 0; font-size: 0.92rem; }
.kb-source { font-family: var(--font-mono); font-size: 0.72rem; color: var(--cream-mute); margin-top: 10px; }
.kb-group-title { margin-top: 56px; }
.kb-group-title:first-of-type { margin-top: 0; }

/* ---------- Legal pages ---------- */
.legal-copy { max-width: 720px; padding-bottom: 40px; }
.legal-copy h2 { font-size: 1.3rem; margin-top: 44px; margin-bottom: 12px; }
.legal-copy h2:first-of-type { margin-top: 24px; }
.legal-copy p, .legal-copy li { color: var(--cream-dim); }
.legal-copy ul { padding-left: 20px; }
.legal-copy a { color: var(--cyan); }
.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.92rem;
}
.legal-table th, .legal-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.legal-table th {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cream-mute);
}
.legal-table td { color: var(--cream-dim); }

.internal-note {
  font-size: 0.85rem;
  color: var(--cream-mute);
  border-left: 2px solid var(--amber);
  padding: 10px 16px;
  margin-top: 32px;
  background: var(--bg-1);
  border-radius: 0 8px 8px 0;
}