:root {
  --navy: #0f2440;
  --navy-2: #16345c;
  --amber: #f5b301;
  --ink: #1a2330;
  --muted: #5a6a7e;
  --line: #dde4ec;
  --bg: #ffffff;
  --bg-soft: #f4f7fa;
  --green: #1e7b4f;
  --red: #b3261e;
  --orange: #c2410c;
  --radius: 10px;
  --maxw: 1080px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16.5px;
}
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
a { color: #0b57a4; text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.9rem; line-height: 1.25; margin: .3em 0 .4em; letter-spacing: -.01em; }
h2 { font-size: 1.35rem; margin: 1.6em 0 .5em; letter-spacing: -.01em; }
h3 { font-size: 1.08rem; margin: 1.2em 0 .4em; }
p { margin: .55em 0; }
ul, ol { padding-left: 1.3em; }
li { margin: .3em 0; }

/* Header */
.site-header { background: var(--navy); position: sticky; top: 0; z-index: 50; }
.header-inner { display: flex; align-items: center; gap: 22px; height: 58px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.15rem; color: #fff; }
.logo:hover { text-decoration: none; }
.logo-badge { background: var(--amber); color: var(--navy); border-radius: 6px; padding: 1px 7px; font-size: .95rem; letter-spacing: .02em; }
.logo-uk { color: var(--amber); font-size: .8em; vertical-align: super; margin-left: 2px; }
.main-nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.main-nav a { color: #d7e2ef; padding: 7px 12px; border-radius: 7px; font-size: .95rem; font-weight: 500; }
.main-nav a:hover { background: var(--navy-2); text-decoration: none; color: #fff; }
.main-nav a.active { color: #fff; background: var(--navy-2); }
.main-nav .nav-cta { background: var(--amber); color: var(--navy); font-weight: 700; }
.main-nav .nav-cta:hover { background: #ffc61a; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; color: #fff; font-size: 1.5rem; cursor: pointer; }

/* Breadcrumbs */
.breadcrumbs { font-size: .85rem; color: var(--muted); padding: 12px 0 0; }
.breadcrumbs a { color: var(--muted); }
.breadcrumbs span[aria-current] { color: var(--ink); font-weight: 500; }

/* Hero */
.hero { background: linear-gradient(0deg, var(--navy), var(--navy)); color: #fff; padding: 46px 0 54px; }
.hero h1 { font-size: 2.3rem; margin: 0 0 10px; }
.hero p.lede { font-size: 1.15rem; color: #c7d5e6; max-width: 640px; margin: 0 0 22px; }
.hero .hero-stats { display: flex; gap: 34px; margin-top: 26px; flex-wrap: wrap; }
.hero .hero-stat b { display: block; font-size: 1.5rem; color: var(--amber); }
.hero .hero-stat span { font-size: .85rem; color: #a9bcd2; }

/* Reg plate input */
.reg-form { display: flex; gap: 10px; max-width: 460px; }
.reg-input {
  flex: 1; font-size: 1.5rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  text-align: center; padding: 10px 14px; border-radius: 8px; border: 3px solid #0a1a30;
  background: var(--amber); color: var(--navy); outline: none; min-width: 0; font-family: inherit;
}
.reg-input::placeholder { color: #8a6d00; }
.reg-btn {
  font-size: 1.05rem; font-weight: 700; padding: 10px 22px; border-radius: 8px; border: 0;
  background: #fff; color: var(--navy); cursor: pointer;
}
.reg-btn:hover { background: #e9f0f8; }

/* Cards & stats */
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin: 18px 0; }
.stat-card { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat-card b { display: block; font-size: 1.45rem; letter-spacing: -.01em; }
.stat-card span { font-size: .82rem; color: var(--muted); }
.stat-card.good b { color: var(--green); }
.stat-card.bad b { color: var(--red); }
.stat-card.warn b { color: var(--orange); }

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; margin: 16px 0; }
.tile { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; background: #fff; display: block; color: var(--ink); }
.tile:hover { border-color: #b9c8da; text-decoration: none; box-shadow: none; background: var(--bg-soft); }
.tile b { color: #0b57a4; }
.tile .tile-sub { font-size: .84rem; color: var(--muted); display: block; margin-top: 3px; }

/* Answer box */
.answer-box { border-left: 4px solid var(--amber); background: var(--bg-soft); padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 14px 0 20px; font-size: 1.02rem; }
.answer-box b { font-weight: 700; }

/* Callouts */
.callout { border: 1px solid var(--line); border-radius: var(--radius); padding: 13px 16px; margin: 16px 0; }
.callout.danger { border-color: #ecc7c4; background: #fdf3f2; }
.callout.warn { border-color: #f0d9b8; background: #fdf8ee; }
.callout.info { border-color: #c4d9ee; background: #f2f8fe; }
.callout .co-title { font-weight: 700; display: block; margin-bottom: 3px; }

/* Severity pills */
.pill { display: inline-block; font-size: .78rem; font-weight: 700; border-radius: 999px; padding: 2px 11px; vertical-align: middle; }
.pill.low { background: #e5f3ec; color: var(--green); }
.pill.medium { background: #fdf1df; color: var(--orange); }
.pill.high { background: #fbe9e7; color: var(--red); }

/* Tables */
table { border-collapse: collapse; width: 100%; margin: 14px 0; font-size: .95rem; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); }
th { background: var(--bg-soft); font-size: .84rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
tr:hover td { background: #fafcfe; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* Pass-rate bar */
.rate-bar { background: #e8edf3; border-radius: 999px; height: 12px; overflow: hidden; margin: 4px 0; }
.rate-fill { height: 100%; border-radius: 999px; background: var(--green); }
.rate-fill.mid { background: var(--orange); }
.rate-fill.low { background: var(--red); }
.rate-label { font-size: .8rem; color: var(--muted); }

/* Funnel box */
.fix-box { border: 2px solid var(--navy); border-radius: var(--radius); padding: 16px 18px; margin: 22px 0; }
.fix-box .fb-title { font-weight: 800; font-size: 1.05rem; margin-bottom: 8px; display: block; }
.fix-box ul { list-style: none; padding: 0; margin: 8px 0 0; }
.fix-box li { margin: 8px 0; padding-left: 0; }
.fix-box li a { font-weight: 700; }
.fix-box li span { display: block; font-size: .85rem; color: var(--muted); }

/* Content layout */
.page { padding: 10px 0 50px; }
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 36px; align-items: start; }
.sidebar .side-block { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 16px; }
.sidebar .side-block .sb-title { font-weight: 700; font-size: .9rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); display: block; margin-bottom: 8px; }
.sidebar .side-block a { display: block; padding: 4px 0; font-size: .95rem; }

/* Search */
.code-search { width: 100%; font-size: 1.05rem; padding: 11px 14px; border: 2px solid var(--line); border-radius: 8px; margin: 10px 0 4px; font-family: inherit; }
.code-search:focus { border-color: var(--navy); outline: none; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 10px 0; }
.faq summary { font-weight: 600; cursor: pointer; }

/* Sections */
.section-head { display: flex; align-items: baseline; gap: 14px; margin-top: 2em; }
.section-head h2 { margin: 0; }
.section-head a { font-size: .9rem; white-space: nowrap; }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
.datasource { font-size: .82rem; color: var(--muted); border-top: 1px solid var(--line); margin-top: 30px; padding-top: 12px; }

/* Check tool */
.check-result { margin-top: 22px; }
.check-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; margin: 12px 0; }
.check-card h3 { margin-top: 0; }
.test-pass { color: var(--green); font-weight: 700; }
.test-fail { color: var(--red); font-weight: 700; }
.hidden { display: none; }
.spinner { display: inline-block; width: 18px; height: 18px; border: 3px solid var(--line); border-top-color: var(--navy); border-radius: 50%; animation: spin .8s linear infinite; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Footer */
.site-footer { background: var(--navy); color: #b7c6d9; margin-top: 60px; padding: 36px 0 22px; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 0.8fr; gap: 28px; }
.footer-grid a { display: block; color: #b7c6d9; padding: 3px 0; }
.footer-grid a:hover { color: #fff; }
.footer-brand { font-weight: 800; color: #fff; margin: 0 0 6px; }
.footer-small { font-size: .85rem; color: #8ba0b8; }
.footer-head { font-weight: 700; color: #e7eef7; text-transform: uppercase; font-size: .78rem; letter-spacing: .05em; margin: 0 0 8px; }
.footer-legal { border-top: 1px solid #24436e; margin-top: 26px; padding-top: 16px; font-size: .78rem; color: #7e93ac; }
.footer-legal a { color: #a9bcd2; text-decoration: underline; }

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .two-col { grid-template-columns: 1fr; }
  .main-nav { display: none; position: absolute; top: 58px; left: 0; right: 0; background: var(--navy); flex-direction: column; padding: 10px 16px 16px; gap: 2px; }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 11px 12px; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 1.7rem; }
  h1 { font-size: 1.5rem; }
}