/* DriveDive landing — warm dark, matching the app's UI. */

:root {
  --bg: #191714;
  --bg-panel: #201d19;
  --bg-raise: #2a2620;
  --ink: #f4efe9;
  --ink-dim: #b7b0a5;
  --ink-faint: #7d776c;
  --line: rgba(244, 239, 233, 0.10);

  --coral: #ff5c5c;
  --orange: #ffa23e;
  --teal: #2fd6c3;
  --blue: #4da6ff;
  --green: #4ade80;
  --purple: #8b7cff;
  --pink: #ff5c9e;
  --sand: #c9a86a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }
code, kbd, .mono {
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  font-size: 0.92em;
}
kbd {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0 5px;
}

/* ---------- WebGL canvas ---------- */
#gl {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  display: block;
}
body.no-gl #gl { display: none; }
body.no-gl .acts-viewport {
  background:
    radial-gradient(60vmin 60vmin at 50% 45%, rgba(255, 92, 92, 0.20), transparent 60%),
    radial-gradient(80vmin 80vmin at 52% 48%, rgba(47, 214, 195, 0.12), transparent 65%);
}

/* ---------- nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  background: linear-gradient(rgba(25, 23, 20, 0.85), rgba(25, 23, 20, 0));
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  font-size: 17px;
}
.nav nav { display: flex; align-items: center; gap: 20px; font-size: 14px; }
.nav nav a { text-decoration: none; color: var(--ink-dim); transition: color 0.15s; }
.nav nav a:hover { color: var(--ink); }
.nav nav a.cta {
  color: var(--bg);
  background: var(--ink);
  padding: 7px 14px;
  border-radius: 99px;
  font-weight: 600;
}
.nav nav a.cta:hover { background: #fff; }

/* ---------- acts ---------- */
#acts { position: relative; height: 560vh; z-index: 1; }
.acts-viewport {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}
.act-caption {
  position: absolute;
  opacity: 0;
  max-width: 34rem;
  padding: 0 28px;
  will-change: opacity, transform;
}
.act-hero {
  inset: 0;
  margin: auto;
  height: fit-content;
  max-width: 46rem;
  text-align: center;
}
.act-hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.04;
  margin: 0.4em 0 0.35em;
  letter-spacing: -0.02em;
  font-weight: 800;
}
.act-hero h1 em, .act-caption h2 em { font-style: italic; color: var(--teal); }
.lede { color: var(--ink-dim); font-size: 1.13rem; max-width: 36rem; margin: 0 auto 1.6em; }
.side-left  { left: 4vw;  bottom: 10vh; }
.side-right { right: 4vw; bottom: 10vh; text-align: right; }
.act-caption h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1.12;
  margin: 0.3em 0;
  letter-spacing: -0.015em;
}
.act-caption p { color: var(--ink-dim); }
.act-num { color: var(--ink-faint); }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--ink-faint);
  margin: 0 0 0.6em;
}
.scroll-hint { color: var(--ink-faint); font-size: 0.85rem; margin-top: 3.2em; animation: bob 2.4s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(5px); } }
@media (prefers-reduced-motion: reduce) { .scroll-hint { animation: none; } }

.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-actions.center { justify-content: center; }
.button {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.12s ease, background 0.15s ease;
}
.button:active { transform: scale(0.985); }
.button.primary { background: var(--coral); color: #1c0f0f; }
.button.primary:hover { background: #ff7373; }
.button.ghost { border: 1px solid var(--line); color: var(--ink); background: rgba(32, 29, 25, 0.5); }
.button.ghost:hover { border-color: var(--ink-faint); }

/* ---------- content ---------- */
.content {
  position: relative;
  z-index: 2;
  background: var(--bg);
  border-top: 1px solid var(--line);
  box-shadow: 0 -40px 80px rgba(25, 23, 20, 0.9);
}
.content section { max-width: 68rem; margin: 0 auto; padding: 96px 28px; }
.content h2 {
  font-size: clamp(1.8rem, 3.6vw, 2.7rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0.2em 0 0.5em;
}
.section-lede { color: var(--ink-dim); max-width: 44rem; font-size: 1.05rem; }

/* accounting bar — a faithful echo of the in-app strip */
.app-bar {
  margin: 40px 0 28px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-panel);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.86rem;
  overflow-x: auto;
}
.app-bar-row { display: flex; align-items: center; gap: 14px; white-space: nowrap; }
.app-bar-row.secondary { color: var(--ink-faint); font-size: 0.8rem; }
.chip { display: inline-flex; align-items: center; gap: 7px; color: var(--ink-dim); }
.chip strong { color: var(--ink); font-weight: 600; }
.chip.warn { color: var(--orange); }
.chip.lock { color: var(--orange); }
.chip.dim { color: var(--ink-faint); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c, var(--ink-faint)); flex: none; }
.dot.layers { background: var(--teal); }
.dot.drive { background: var(--blue); }
.sep { width: 1px; height: 16px; background: var(--line); }
.flex { flex: 1; }

.truth-points { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; }
.truth-points li { color: var(--ink-dim); padding-left: 22px; position: relative; }
.truth-points li::before { content: "→"; position: absolute; left: 0; color: var(--teal); }
.truth-points strong { color: var(--ink); }

/* feature grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 40px;
}
.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-panel);
  padding: 24px 22px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: rgba(244, 239, 233, 0.22); transform: translateY(-2px); }
.card h3 { margin: 0 0 0.5em; font-size: 1.08rem; }
.card p { color: var(--ink-dim); font-size: 0.94rem; margin: 0.4em 0; }
.card .stat {
  display: block;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--teal);
  margin: 2px 0 6px;
  font-variant-numeric: tabular-nums;
}

.legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 14px; font-size: 0.78rem; color: var(--ink-dim); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 8px; height: 8px; border-radius: 50%; background: var(--c); }

/* tooltip mock — the app's hover peek card */
.tooltip-mock {
  background: rgba(0, 0, 0, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 9px;
  padding: 10px 12px;
  margin: 12px 0;
  font-size: 0.8rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}
.tooltip-mock .row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 7px; margin: 3px 0; }
.tooltip-mock .muted { color: var(--ink-faint); }
.tooltip-mock .dot { align-self: center; }

/* pricing */
.hero-note { color: var(--ink-faint); font-size: 0.85rem; margin-top: 14px; }
.plans { max-width: 46rem; margin-left: auto; margin-right: auto; }
.plan .price { font-size: 1.8rem; font-weight: 800; margin: 2px 0 10px; }
.plan .price span { font-size: 0.85rem; font-weight: 500; color: var(--ink-faint); }
.plan.featured { border-color: rgba(255, 92, 92, 0.45); }
.plan.featured .price { color: var(--coral); }
.plan ul { list-style: none; padding: 0; margin: 0; }
.plan li { color: var(--ink-dim); font-size: 0.92rem; padding: 5px 0 5px 20px; position: relative; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); }
.plan-note { text-align: center; color: var(--ink-faint); font-size: 0.82rem; margin-top: 18px; }
.pricing { text-align: center; }
.pricing .section-lede { margin: 0 auto; }
.pricing .plan { text-align: left; }
.pricing .hero-actions { margin-top: 26px; }
footer {
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 0.85rem;
  text-align: center;
  padding: 40px 28px 56px;
}
footer .fine { max-width: 46rem; margin: 10px auto 0; font-size: 0.78rem; }

@media (max-width: 640px) {
  .nav nav a:not(.cta) { display: none; }
  .side-left, .side-right { left: 0; right: 0; bottom: 6vh; text-align: left; padding: 0 22px; }
  .content section { padding: 64px 20px; }
}