:root {
  --ink: #402a2c;
  --accent: #a23e48;
  --pale: #fde9eb;
  --canvas: #fffafb;
  --paper: #ffffff;
  --muted: #52606d;
  --line: color-mix(in srgb, var(--ink) 15%, white);
  --radius: 12px;
  --shadow: 0 18px 55px rgba(18, 38, 63, .11);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--canvas); font: 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
img { display: block; max-width: 100%; height: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 20; padding: 10px 14px; color: #fff; background: var(--ink); border-radius: 8px; }
.skip-link:focus { top: 16px; }
.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid rgba(18, 38, 63, .08); background: color-mix(in srgb, var(--canvas) 88%, transparent); backdrop-filter: blur(14px); }
.nav { max-width: 1180px; margin: auto; min-height: 68px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { color: var(--ink); font-weight: 850; letter-spacing: -.02em; text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 18px; font-size: .94rem; }
.nav-links a { color: var(--ink); text-decoration: none; }
.button-link, button { border: 0; border-radius: 12px; padding: 13px 18px; font: inherit; font-weight: 800; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease; }
.button-link { display: inline-flex; align-items: center; justify-content: center; color: #fff !important; background: var(--accent); text-decoration: none !important; }
.button-link:hover, button:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(18, 38, 63, .16); }
.button-link.secondary { color: var(--ink) !important; background: var(--pale); }
.hero { overflow: hidden; background: radial-gradient(circle at 80% 5%, var(--pale), transparent 34%), linear-gradient(145deg, var(--canvas), #fff); }
.hero-grid { max-width: 1180px; margin: auto; padding: 72px 24px 56px; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); gap: 54px; align-items: center; }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-weight: 850; letter-spacing: .14em; text-transform: uppercase; font-size: .78rem; }
h1, h2, h3 { color: var(--ink); line-height: 1.15; letter-spacing: -.035em; }
h1 { margin: 0; max-width: 820px; font-size: clamp(2.55rem, 6vw, 5.7rem); }
.lede { max-width: 720px; margin: 22px 0 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.27rem); }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 0; padding: 0; list-style: none; }
.hero-points li { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.78); font-size: .9rem; font-weight: 700; }
.cover { border: 1px solid rgba(255,255,255,.5); border-radius: var(--radius); box-shadow: var(--shadow); transform: rotate(0deg); }
.checker-wrap { max-width: 1000px; margin: -4px auto 0; padding: 0 24px 52px; }
.checker { padding: clamp(24px, 5vw, 42px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); box-shadow: var(--shadow); }
.checker h2 { margin: 0 0 10px; font-size: clamp(1.65rem, 4vw, 2.35rem); }
.checker p { color: var(--muted); }
.vin-form { display: grid; grid-template-columns: 1fr auto; gap: 12px; margin-top: 24px; }
label { display: block; margin-bottom: 8px; font-weight: 800; }
.field { min-width: 0; }
input { width: 100%; min-height: 54px; padding: 0 16px; border: 1.5px solid var(--line); border-radius: 12px; color: var(--ink); background: #fff; font: 750 1.08rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: .08em; text-transform: uppercase; }
input:focus { outline: 3px solid color-mix(in srgb, var(--accent) 22%, transparent); border-color: var(--accent); }
button { min-height: 54px; align-self: end; color: #fff; background: var(--ink); }
button:disabled { cursor: wait; opacity: .62; transform: none; }
.helper { margin: 8px 0 0; font-size: .86rem; }
.status { min-height: 28px; margin: 18px 0 0; font-weight: 750; }
.status.error { color: #a11b1b; }
.status.success { color: #176b51; }
.results { display: none; margin-top: 22px; }
.results.visible { display: block; }
.result-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 0; }
.result-item { padding: 14px; border-radius: 12px; background: var(--canvas); border: 1px solid var(--line); }
.result-item dt { color: var(--muted); font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.result-item dd { margin: 5px 0 0; font-weight: 850; overflow-wrap: anywhere; }
.result-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 18px; }
.affiliate-note { margin: 16px 0 0; font-size: .82rem; color: var(--muted); }
.content { max-width: 920px; margin: auto; padding: 24px 24px 72px; }
.article-block { margin-top: 18px; padding: clamp(22px, 4vw, 34px); border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.86); }
.article-block:nth-child(5) { background: var(--pale); }
.article-block h2 { margin: 0 0 13px; font-size: clamp(1.45rem, 3.2vw, 2.05rem); }
.article-block p { margin: 0; color: #314255; }
.faq { margin-top: 42px; }
.faq > h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); }
.faq-item { margin-top: 12px; padding: 22px 24px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.faq-item h3 { margin: 0 0 8px; font-size: 1.12rem; }
.faq-item p { margin: 0; color: #314255; }
.network-footer { padding: 34px 24px; color: #e8eef6; background: var(--ink); }
.network-footer .inner { max-width: 920px; margin: auto; display: grid; gap: 12px; }
.network-footer a { color: #fff; font-weight: 850; }
.network-footer p { margin: 0; }
.legal { font-size: .84rem; opacity: .82; }
@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; padding-top: 52px; gap: 34px; }
  .cover { max-width: 620px; }
  .result-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav-links a:not(.button-link) { display: none; }
}
@media (max-width: 560px) {
  .nav { padding: 0 16px; }
  .hero-grid, .checker-wrap, .content { padding-left: 16px; padding-right: 16px; }
  h1 { font-size: clamp(2.35rem, 13vw, 4rem); }
  .vin-form { grid-template-columns: 1fr; }
  button { width: 100%; }
  .result-grid { grid-template-columns: 1fr; }
  .result-actions .button-link { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }