:root {
  --bg: #f5f8f8;
  --card: #ffffff;
  --ink: #163034;
  --muted: #68797b;
  --line: #d8e2e1;
  --teal: #087a7d;
  --blue: #426da8;
  --amber: #d9a441;
  --coral: #c96f4d;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top left, rgba(8,122,125,.16), transparent 30rem), var(--bg);
  line-height: 1.65;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(245,248,248,.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(216,226,225,.86);
}
.nav {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--ink); }
.brand-mark { width: 34px; height: 34px; border-radius: 8px; background: linear-gradient(145deg, var(--teal), var(--amber)); box-shadow: 0 10px 24px rgba(8,122,125,.18); }
.nav-links { display: flex; gap: 14px; flex-wrap: wrap; justify-content: flex-end; font-size: 14px; font-weight: 700; }
.hero, .page { max-width: 1080px; margin: 0 auto; padding: 54px 20px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr); gap: 28px; align-items: center; }
.eyebrow { color: var(--coral); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; font-size: 13px; }
h1 { margin: 8px 0 14px; font-size: clamp(38px, 6vw, 66px); line-height: 1.02; letter-spacing: 0; }
h2 { margin: 0 0 14px; font-size: 28px; line-height: 1.18; }
h3 { margin: 26px 0 8px; font-size: 19px; line-height: 1.28; }
p { margin: 0 0 14px; }
.lead { color: var(--muted); font-size: 18px; max-width: 680px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border-radius: 8px; font-weight: 800; border: 1px solid var(--line); }
.button.primary { background: var(--ink); color: var(--card); border-color: var(--ink); }
.button.secondary { background: var(--card); color: var(--ink); }
.panel { background: rgba(255,255,255,.84); border: 1px solid var(--line); border-radius: 8px; padding: 22px; box-shadow: 0 24px 50px rgba(22, 48, 52, .08); }
.vehicle-card { aspect-ratio: 4 / 3; display: grid; place-items: center; overflow: hidden; }
.vehicle-visual { width: min(78%, 340px); aspect-ratio: 1.15; border-radius: 8px; position: relative; background: linear-gradient(145deg, rgba(8,122,125,.14), rgba(217,164,65,.16)); border: 1px solid rgba(22,48,52,.1); overflow: hidden; }
.vehicle-visual .road { position: absolute; left: 10%; right: 10%; bottom: 22%; height: 10px; border-radius: 999px; background: rgba(22,48,52,.18); }
.vehicle-visual .car { position: absolute; left: 20%; right: 20%; bottom: 28%; height: 25%; border-radius: 18px 18px 8px 8px; background: var(--teal); box-shadow: inset 26px 10px 0 rgba(255,255,255,.3), 24px 34px 0 -22px var(--ink), 118px 34px 0 -22px var(--ink); }
.vehicle-visual .car::before { content: ""; position: absolute; left: 18%; right: 18%; top: -36%; height: 54%; border-radius: 16px 16px 6px 6px; background: var(--blue); opacity: .86; }
.vehicle-visual .receipt { position: absolute; right: 13%; top: 13%; width: 26%; height: 36%; border-radius: 8px; background: var(--card); border: 1px solid var(--line); box-shadow: 0 16px 30px rgba(22,48,52,.12); }
.vehicle-visual .receipt::before { content: ""; position: absolute; left: 18%; right: 18%; top: 24%; height: 4px; border-radius: 999px; background: var(--amber); box-shadow: 0 13px 0 rgba(104,121,123,.35), 0 26px 0 rgba(104,121,123,.25); }
.summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px; }
.summary-item { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 18px; }
.summary-item strong { display: block; font-size: 15px; margin-bottom: 6px; }
.summary-item span { color: var(--muted); font-size: 14px; }
.doc-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 28px; align-items: start; }
.toc { position: sticky; top: 76px; background: rgba(255,255,255,.88); border: 1px solid var(--line); border-radius: 8px; padding: 16px; font-size: 14px; }
.toc a { display: block; padding: 7px 0; color: var(--muted); }
.document { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 30px; }
.meta { color: var(--muted); font-weight: 700; margin-bottom: 24px; }
ul { margin: 0 0 14px 22px; padding: 0; }
.footer { border-top: 1px solid var(--line); color: var(--muted); padding: 26px 20px; text-align: center; font-size: 14px; }
@media (max-width: 800px) {
  .hero-grid, .doc-layout, .summary-grid { grid-template-columns: 1fr; }
  .toc { position: static; }
  .document { padding: 22px; }
  .nav { align-items: flex-start; flex-direction: column; }
}