:root {
  --bg: #0f1419;
  --panel: #151d25;
  --panel-2: #1d2935;
  --text: #f2f6f9;
  --muted: #a9b7c4;
  --accent: #4fb3ff;
  --accent-2: #ffc857;
  --danger: #ff6b6b;
  --ok: #4cd964;
  --border: rgba(255,255,255,.12);
  --shadow: 0 20px 60px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #1f3142 0, var(--bg) 42rem);
  color: var(--text);
  line-height: 1.55;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(15, 20, 25, .88);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: .75rem clamp(1rem, 4vw, 3rem);
}
.brand { display: flex; gap: .75rem; align-items: center; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(135deg, var(--accent), #245a9f); box-shadow: var(--shadow); }
.brand small { display: block; color: var(--muted); font-size: .75rem; }
.top-nav { display: flex; flex-wrap: wrap; gap: .75rem; font-size: .9rem; }
.top-nav a { color: var(--muted); }
.top-nav a:hover { color: var(--text); }
.hero, .section { padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 5vw, 5rem); max-width: 1280px; margin: 0 auto; }
.hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); gap: 2rem; align-items: center; }
h1 { font-size: clamp(2.6rem, 6vw, 5.8rem); line-height: .95; letter-spacing: -.05em; margin: .25rem 0 1rem; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1; letter-spacing: -.04em; margin: .25rem 0 1rem; }
h3 { margin: .2rem 0 .75rem; }
.lead { font-size: clamp(1.1rem, 2vw, 1.35rem); color: var(--muted); max-width: 64ch; }
.eyebrow { text-transform: uppercase; color: var(--accent-2); font-size: .8rem; font-weight: 800; letter-spacing: .14em; margin-bottom: .5rem; }
.hero-actions, .filter-row, .mode-tabs { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1.5rem; }
.button, button.filter, .mode-button { border: 1px solid var(--border); background: var(--panel-2); color: var(--text); border-radius: 999px; padding: .8rem 1.05rem; font-weight: 750; cursor: pointer; }
.button.primary { background: var(--accent); color: #06111b; border-color: transparent; }
.button.secondary { background: transparent; }
.filter.active, .mode-button.active { background: var(--accent-2); color: #17120a; border-color: transparent; }
.hero-panel, .card, .info-card, .tree-card, .procedure, .selector-card, .price-card, .mode-content, details {
  background: rgba(21,29,37,.78);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.hero-panel { padding: 1rem; }
.comic-panel { min-height: 430px; background: linear-gradient(150deg, #202b37, #10161d); border-radius: 18px; position: relative; overflow: hidden; display: grid; place-items: center; }
.comic-panel:before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 24px 24px; opacity: .35; }
.bubble { position: absolute; max-width: 270px; padding: 1rem; background: #fff; color: #10161d; border-radius: 18px; font-weight: 800; box-shadow: 8px 8px 0 rgba(0,0,0,.25); }
.bubble.wizard { top: 35px; left: 25px; transform: rotate(-3deg); }
.bubble.foreman { bottom: 40px; right: 22px; transform: rotate(2deg); background: var(--accent-2); }
.garage-guy { font-size: 5rem; z-index: 1; filter: drop-shadow(0 10px 15px rgba(0,0,0,.35)); }
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .8fr); gap: 2rem; align-items: start; }
.callout { border-left: 4px solid var(--accent-2); background: rgba(255,200,87,.08); padding: 1rem; border-radius: 14px; }
.dark-card, .selector-card { padding: 1.5rem; }
.compact-list { padding-left: 1.25rem; color: var(--muted); }
.mode-content { padding: 1.5rem; margin-top: 1rem; }
.mode-pane { display: none; }
.mode-pane.active { display: block; }
.card-grid, .tree-grid, .pricing-grid, .glossary-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 1.25rem; }
.info-card, .tree-card, .procedure { padding: 1.25rem; }
.info-card { display: flex; flex-direction: column; }
.info-card p { color: var(--muted); }
.info-card a { margin-top: auto; font-weight: 800; }
.tag { color: var(--accent-2); font-size: .78rem; font-weight: 850; letter-spacing: .05em; }
.tree { list-style: none; padding: 0; margin: 0; }
.tree li { padding: .7rem .8rem; border-left: 3px solid var(--accent); background: rgba(255,255,255,.04); margin-bottom: .55rem; border-radius: 0 12px 12px 0; }
.procedure-list { display: grid; gap: 1rem; }
.mode-note { background: rgba(79,179,255,.12); border: 1px solid rgba(79,179,255,.25); padding: .9rem; border-radius: 14px; margin: .8rem 0; }
.selector-card label { display: block; font-weight: 850; margin: .75rem 0 .35rem; }
.selector-card select { width: 100%; padding: .85rem; border-radius: 12px; border: 1px solid var(--border); background: #0f1419; color: var(--text); }
.selected-output { margin-top: 1rem; padding: 1rem; border-radius: 14px; background: rgba(76,217,100,.1); border: 1px solid rgba(76,217,100,.25); }
details { padding: 1rem; }
details summary { cursor: pointer; font-weight: 850; color: var(--accent-2); }
details p { color: var(--muted); }
.price-card { padding: 1.25rem; }
.price-card.featured { border-color: rgba(255,200,87,.65); background: linear-gradient(180deg, rgba(255,200,87,.15), rgba(21,29,37,.78)); }
.price-card strong { display: block; font-size: 1.6rem; margin-top: .75rem; color: var(--accent-2); }
.site-footer { border-top: 1px solid var(--border); padding: 2rem clamp(1rem, 5vw, 5rem); color: var(--muted); max-width: 1280px; margin: 0 auto; }
@media (max-width: 900px) {
  .hero, .two-col { grid-template-columns: 1fr; }
  .card-grid, .tree-grid, .pricing-grid, .glossary-grid { grid-template-columns: 1fr; }
  .top-nav { display: none; }
}

.price-button { display: inline-flex; margin-top: 1rem; text-decoration: none; }
.hero-actions .join { margin-left: .5rem; }
@media (max-width: 720px) { .hero-actions .join { margin-left: 0; } }