/* VIN Shield — shared styles
   Palette: plate navy, inspection-tag yellow, verify green, caution amber, alert red */
:root {
  --navy: #0F2238;
  --navy-2: #18324F;
  --navy-3: #22446A;
  --paper: #F5F7F8;
  --white: #FFFFFF;
  --ink: #17202B;
  --slate: #5A6675;
  --line: #DDE3E8;
  --tag: #F2C230;
  --tag-soft: #FDF4D6;
  --green: #1E8E5A;
  --green-soft: #E3F3EA;
  --amber: #B97609;
  --amber-soft: #FBF0DC;
  --red: #C23B32;
  --red-soft: #FBE7E5;
  --display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --body: 'Public Sans', system-ui, sans-serif;
  --r-sm: 6px;
  --r-md: 10px;
  --wrap: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--body); font-size: 17px; line-height: 1.6; color: var(--ink); background: var(--paper); -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: var(--navy-3); text-underline-offset: 3px; }
a:hover { color: var(--navy); }
:focus-visible { outline: 3px solid var(--tag); outline-offset: 2px; border-radius: 4px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* ---------- Header ---------- */
.site-head { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: rgba(15, 34, 56, .96); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(255,255,255,.08); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--white); text-decoration: none; font-family: var(--display); font-weight: 700; font-size: 26px; letter-spacing: .3px; }
.brand svg { width: 30px; height: 35px; }
.brand:hover { color: var(--white); }
.nav { display: flex; gap: 26px; }
.nav a { color: #C7D3E0; text-decoration: none; font-size: 15px; font-weight: 500; }
.nav a:hover { color: var(--white); }
@media (max-width: 720px) { .nav { display: none; } }

/* ---------- Buttons & inputs ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 17px/1 var(--body); padding: 16px 24px; border-radius: var(--r-md); border: 0; cursor: pointer; text-decoration: none; transition: transform .15s ease, background .15s ease; }
.btn-tag { background: var(--tag); color: var(--navy); }
.btn-tag:hover { background: #F7CF4E; color: var(--navy); }
.btn-green { background: var(--green); color: var(--white); }
.btn-green:hover { background: #197A4D; color: var(--white); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .6; cursor: progress; }
.field { width: 100%; font: 500 17px var(--body); padding: 15px 16px; border: 2px solid var(--line); border-radius: var(--r-md); background: var(--white); color: var(--ink); }
.field:focus { outline: none; border-color: var(--navy-3); }
label.lab { display: block; font-size: 14px; font-weight: 600; margin: 0 0 6px; color: var(--ink); }
.hint { font-size: 14px; color: var(--slate); margin: 6px 0 0; }
.error { color: var(--red); font-weight: 600; font-size: 15px; margin: 10px 0 0; min-height: 1em; }

/* ---------- Footer ---------- */
.site-foot { background: var(--navy); color: #AFC0D2; font-size: 14px; padding: 48px 0 40px; margin-top: 96px; }
.site-foot .wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; }
.site-foot a { color: #DCE6F0; }
.site-foot p { margin: 0 0 10px; max-width: 60ch; }
.foot-links { display: flex; flex-wrap: wrap; gap: 18px; justify-content: flex-end; align-content: flex-start; }
@media (max-width: 720px) { .site-foot .wrap { grid-template-columns: 1fr; } .foot-links { justify-content: flex-start; } }

/* ---------- Simple content pages ---------- */
.page { max-width: 760px; margin: 56px auto 0; padding: 0 20px; }
.page h1 { font: 700 46px/1.05 var(--display); color: var(--navy); margin: 0 0 18px; }
.page h2 { font: 700 26px/1.2 var(--display); color: var(--navy); margin: 34px 0 8px; }
.page p, .page li { max-width: 68ch; }

/* ---------- Status pills ---------- */
.pill { display: inline-block; font: 600 14px/1 var(--body); padding: 8px 12px; border-radius: 999px; }
.pill-green { background: var(--green-soft); color: var(--green); }
.pill-amber { background: var(--amber-soft); color: var(--amber); }
.pill-red { background: var(--red-soft); color: var(--red); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}