:root {
    --bg: #f5f7fb;
    --surface: #ffffff;
    --text: #142033;
    --muted: #617085;
    --line: #dfe5ee;
    --brand: #1456d9;
    --brand-dark: #0a3ca6;
    --accent: #0fa37f;
    --danger: #b42318;
    --warning-bg: #fff7e6;
    --radius: 16px;
    --shadow: 0 16px 45px rgba(25, 44, 77, .09);
}

* { 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;
    color: var(--text);
    background: var(--bg);
    line-height: 1.62;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(1140px, calc(100% - 36px)); margin: 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

.site-header { background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(12px); }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; letter-spacing: -.02em; text-decoration: none !important; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; min-width: 48px; height: 34px; padding: 0 8px; background: var(--brand); color: #fff; border-radius: 8px; font-size: 14px; letter-spacing: .08em; }
.brand-name { font-size: 19px; }
.main-nav { display: flex; align-items: center; gap: 24px; }
.main-nav a { color: #34445b; font-weight: 650; font-size: 15px; text-decoration: none; }
.main-nav a:hover { color: var(--brand); }
.nav-toggle { display: none; }

.hero { padding: 76px 0 58px; background: radial-gradient(circle at 75% 15%, #e4efff 0, transparent 34%), linear-gradient(180deg, #fff 0%, #f5f7fb 100%); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 54px; align-items: center; }
.eyebrow { color: var(--brand); font-weight: 800; text-transform: uppercase; letter-spacing: .12em; font-size: 12px; }
h1 { font-size: clamp(38px, 5vw, 64px); line-height: 1.03; letter-spacing: -.045em; margin: 12px 0 20px; }
h2 { font-size: clamp(25px, 3vw, 34px); line-height: 1.17; letter-spacing: -.025em; margin-top: 0; }
h3 { font-size: 19px; line-height: 1.3; }
.lead { font-size: 19px; color: var(--muted); max-width: 760px; }
.hero-card, .card, .result-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero-card { padding: 30px; }
.trust-line { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; color: var(--muted); font-size: 14px; }
.badge { border: 1px solid var(--line); border-radius: 999px; padding: 7px 11px; background: #fff; }

.vin-form { margin-top: 20px; }
.vin-form-row { display: flex; gap: 10px; }
.vin-form input { flex: 1; min-width: 0; height: 54px; padding: 0 16px; border: 1px solid #cbd5e3; border-radius: 11px; font-size: 17px; letter-spacing: .05em; text-transform: uppercase; outline: none; background: #fff; }
.vin-form input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(20,86,217,.12); }
.vin-form button, .btn { min-height: 54px; padding: 0 21px; border: 0; border-radius: 11px; background: var(--brand); color: #fff; font-weight: 800; font-size: 15px; cursor: pointer; }
.vin-form button:hover, .btn:hover { background: var(--brand-dark); text-decoration: none; }
.form-help { margin: 9px 0 0; color: var(--muted); font-size: 13px; }

.section { padding: 64px 0; }
.section-white { background: #fff; }
.section-intro { max-width: 780px; margin-bottom: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.card { padding: 26px; box-shadow: none; }
.card p:last-child { margin-bottom: 0; }
.icon-num { width: 38px; height: 38px; display: inline-grid; place-items: center; border-radius: 10px; background: #eaf1ff; color: var(--brand); font-weight: 900; }

.page-hero { padding: 58px 0 42px; background: #fff; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(36px, 4.4vw, 54px); max-width: 850px; }
.content-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 38px; align-items: start; }
.prose { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; }
.prose h2 { margin-top: 38px; }
.prose h2:first-child { margin-top: 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 22px 0; }
.prose th, .prose td { padding: 10px 12px; border: 1px solid var(--line); text-align: left; }
.prose th { background: #f5f7fb; }
.sidebar { position: sticky; top: 96px; }
.sidebar .card { margin-bottom: 18px; }
.clean-list { padding-left: 20px; }
.clean-list li { margin-bottom: 7px; }

.notice { border-radius: 12px; padding: 16px 18px; margin: 22px 0; }
.notice-info { background: #eef5ff; border: 1px solid #cfe0ff; }
.notice-warning { background: var(--warning-bg); border: 1px solid #f5d79b; }
.notice-error { background: #fff0ee; border: 1px solid #f1b8b2; color: #781f18; }
.notice-success { background: #edfbf6; border: 1px solid #b9e7d7; }

.results { padding: 38px 0 70px; }
.result-header { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: flex-end; margin-bottom: 24px; }
.result-header h1 { font-size: 36px; margin: 0; }
.vin-code { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; letter-spacing: .04em; color: var(--muted); }
.result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.result-card { padding: 25px; box-shadow: none; }
.data-list { margin: 0; }
.data-row { display: grid; grid-template-columns: 42% 58%; gap: 12px; padding: 10px 0; border-bottom: 1px solid #edf0f5; }
.data-row:last-child { border-bottom: 0; }
.data-row dt { color: var(--muted); }
.data-row dd { margin: 0; font-weight: 700; overflow-wrap: anywhere; }
.recall-list { display: grid; gap: 16px; }
.recall-item { padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.recall-item h3 { margin-top: 0; }
.recall-meta { font-size: 13px; color: var(--muted); }

.site-footer { margin-top: 50px; background: #101a2b; color: #c5cede; padding: 52px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px; }
.footer-grid h2 { color: #fff; font-size: 15px; margin-bottom: 13px; }
.footer-grid a { display: block; color: #c5cede; margin: 7px 0; font-size: 14px; }
.footer-brand { color: #fff; }
.footer-copy { max-width: 370px; color: #96a4b9; }
.footer-bottom { border-top: 1px solid #253248; margin-top: 38px; padding-top: 20px; display: flex; justify-content: space-between; gap: 24px; color: #8795aa; font-size: 12px; }
.footer-bottom p { margin: 0; max-width: 660px; }

@media (max-width: 850px) {
    .hero-grid, .content-wrap, .grid-3, .grid-2, .footer-grid, .result-grid { grid-template-columns: 1fr; }
    .hero { padding-top: 48px; }
    .sidebar { position: static; }
    .nav-toggle { display: inline-flex; border: 1px solid var(--line); background: #fff; border-radius: 9px; padding: 8px 11px; }
    .main-nav { display: none; position: absolute; left: 18px; right: 18px; top: 64px; padding: 16px; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); flex-direction: column; align-items: stretch; gap: 4px; }
    .main-nav.is-open { display: flex; }
    .main-nav a { padding: 9px; }
    .footer-bottom { flex-direction: column; }
}

@media (max-width: 600px) {
    .container { width: min(100% - 24px, 1140px); }
    .vin-form-row { flex-direction: column; }
    .vin-form button { width: 100%; }
    .hero-card, .prose, .card, .result-card { padding: 21px; }
    .section { padding: 48px 0; }
    .data-row { grid-template-columns: 1fr; gap: 1px; }
    .brand-name { font-size: 17px; }
}

/* Breadcrumbs */
.breadcrumbs {
    margin: 0 0 20px;
    font-size: .9rem;
}
.breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}
.breadcrumbs li {
    display: inline-flex;
    align-items: center;
    color: var(--muted, #667085);
}
.breadcrumbs li:not(:last-child)::after {
    content: "/";
    margin-left: 8px;
    opacity: .55;
}
.breadcrumbs a {
    color: inherit;
    text-decoration: none;
}
.breadcrumbs a:hover {
    text-decoration: underline;
}
.breadcrumbs [aria-current="page"] {
    color: inherit;
}