/* IV-MTR Tracking - postal-feel, own brand (not USPS's colors or marks). */
:root {
  --navy: #1b2a4a;
  --navy-2: #26395f;
  --red: #c62d36;
  --ink: #1d2433;
  --muted: #5b6475;
  --line: #d9dee7;
  --bg: #f4f6f9;
  --card: #ffffff;
  --ok: #1d7a46;
  --ok-bg: #e7f5ec;
  --warn: #8a5a00;
  --warn-bg: #fff4dc;
  --err: #a3242c;
  --err-bg: #fdeaea;
  --radius: 6px;
  --font: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e6e9ef; --muted: #a7afbf; --line: #33405a; --bg: #10172a; --card: #18223a;
    --ok-bg: #12301f; --ok: #7fd3a1; --warn-bg: #3a2c0b; --warn: #f0c56b; --err-bg: #3a1518; --err: #f19ba0;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 16px/1.5 var(--font); color: var(--ink); background: var(--bg); }
a { color: var(--navy-2); }
@media (prefers-color-scheme: dark) { a { color: #9db7ea; } }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

/* header: thin red rule over a navy bar */
.topline { height: 4px; background: var(--red); }
header.site { background: var(--navy); color: #fff; }
header.site .wrap { display: flex; align-items: center; gap: 24px; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700;
  letter-spacing: .02em; font-size: 19px; }
.brand img { width: 34px; height: 34px; }
.brand small { display: block; font-weight: 400; font-size: 11px; opacity: .75; letter-spacing: .06em; }
nav.main { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; align-items: center; }
nav.main a, nav.main button { color: #fff; text-decoration: none; padding: 8px 12px; border-radius: var(--radius);
  font: inherit; font-size: 15px; background: none; border: 0; cursor: pointer; }
nav.main a:hover, nav.main button:hover { background: var(--navy-2); }
nav.main a.cta { background: var(--red); font-weight: 600; }
nav.main form { margin: 0; }

/* hero tracking band */
.hero { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%); color: #fff; padding: 48px 0 56px; }
/* White on the navy band, set explicitly: the global h1-h3 rule below paints headings
   var(--ink), which is near-black in light mode (2026-10-29: hero title was unreadable). */
.hero h1, .hero h2, .hero h3, .hero p { color: #fff; }
.hero h1 { font-size: 34px; line-height: 1.2; margin: 0 0 8px; }
.hero p { margin: 0 0 24px; max-width: 640px; }
.trackbox input { color: #1d2433; background: #fff; }
.trackbox input::placeholder { color: #5b6475; }
.hero h1.tracking-h1 { font-size: 24px; }
.hero h1.tracking-h1 .mono { display: block; font-size: 22px; font-weight: 600; margin-top: 4px; }
.trackbox { display: flex; gap: 8px; max-width: 720px; flex-wrap: wrap; }
.trackbox input { flex: 1 1 320px; font: inherit; font-size: 18px; padding: 14px 16px; border-radius: var(--radius);
  border: 2px solid transparent; min-width: 0; letter-spacing: .03em; }
.trackbox input:focus { outline: none; border-color: var(--red); }
.trackbox button { flex: 0 0 auto; }

main { padding: 32px 0 56px; }
h1, h2, h3 { color: var(--ink); }
h2 { font-size: 24px; margin: 0 0 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin-bottom: 20px; }
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: .02em; word-break: break-all; }

.btn { display: inline-block; font: inherit; font-weight: 600; font-size: 16px; padding: 12px 20px; border-radius: var(--radius);
  border: 0; cursor: pointer; text-decoration: none; background: var(--red); color: #fff; }
.btn:hover { filter: brightness(1.07); }
.btn.secondary { background: var(--navy); }
.btn.ghost { background: transparent; color: var(--navy-2); border: 1px solid var(--line); }
@media (prefers-color-scheme: dark) { .btn.ghost { color: var(--ink); } .btn.secondary { background: #2f4778; } }
.btn.small { padding: 8px 12px; font-size: 14px; }

form.stack label { display: block; font-weight: 600; font-size: 14px; margin: 14px 0 4px; }
form.stack input[type=text], form.stack input[type=email], form.stack input[type=password], form.stack select,
form.stack textarea, form.stack input[type=file] {
  width: 100%; font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); color: var(--ink); }
form.stack .row { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { form.stack .row { grid-template-columns: 1fr; } }
form.stack .check { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; }
form.stack .actions { margin-top: 20px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.narrow { max-width: 460px; margin: 0 auto; }

.flash { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; border: 1px solid transparent; }
.flash.ok { background: var(--ok-bg); color: var(--ok); }
.flash.warn { background: var(--warn-bg); color: var(--warn); }
.flash.error { background: var(--err-bg); color: var(--err); }

table.list { width: 100%; border-collapse: collapse; font-size: 15px; }
table.list th, table.list td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.list th { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.scroll { overflow-x: auto; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 600;
  background: var(--bg); border: 1px solid var(--line); white-space: nowrap; }
.badge.delivered { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.badge.transit { background: #e6edfb; color: var(--navy-2); border-color: transparent; }
@media (prefers-color-scheme: dark) { .badge.transit { background: #1f3159; color: #b9cdf5; } }

/* tracking result */
.status-head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: flex-end;
  border-bottom: 1px solid var(--line); padding-bottom: 16px; margin-bottom: 16px; }
.status-head .state { font-size: 30px; font-weight: 700; margin: 0; }
.status-head .state.delivered { color: var(--ok); }
.progress { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin: 16px 0 4px; }
.progress span { height: 8px; border-radius: 4px; background: var(--line); }
.progress span.on { background: var(--red); }
.progress-labels { display: grid; grid-template-columns: repeat(3, 1fr); font-size: 13px; color: var(--muted); }
ol.timeline { list-style: none; margin: 0; padding: 0; }
ol.timeline li { position: relative; padding: 0 0 18px 28px; border-left: 2px solid var(--line); margin-left: 7px; }
ol.timeline li:last-child { border-left-color: transparent; }
ol.timeline li::before { content: ""; position: absolute; left: -8px; top: 3px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--card); border: 2px solid var(--muted); }
ol.timeline li:first-child::before { background: var(--red); border-color: var(--red); }
ol.timeline .ev { font-weight: 600; }

.price { font-size: 40px; font-weight: 700; color: var(--navy); }
@media (prefers-color-scheme: dark) { .price { color: #c9d6f2; } }
.pack { text-align: center; }
.pack .n { font-size: 22px; font-weight: 700; }
.barcode-preview { background: #fff; padding: 12px; border: 1px dashed var(--line); border-radius: var(--radius); }
.barcode-preview svg { width: 100%; max-width: 420px; height: auto; display: block; }
.addr { white-space: pre-line; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 14px; }

footer.site { border-top: 1px solid var(--line); padding: 24px 0 40px; font-size: 13px; color: var(--muted); }
footer.site nav { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }
.cta-box { margin-top: 24px; padding: 20px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--line); }
article.card h2 { margin-top: 24px; }

/* home hero: IV-MTR tracking headline + example timeline */
.hero-grid { display: grid; gap: 32px; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: center; }
@media (max-width: 820px) { .hero-grid { grid-template-columns: 1fr; } }
.hero .eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: 13px; font-weight: 700; color: #ffd0d3; margin: 0 0 8px; }
.hero h1 { font-size: 42px; }
@media (max-width: 560px) { .hero h1 { font-size: 32px; } }
.hero .lead { font-size: 18px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-ghost { background: transparent; border: 2px solid rgba(255,255,255,.7); color: #fff; }
.sample { margin: 0; background: #fff; color: #1d2433; border-radius: var(--radius); padding: 20px; box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.sample figcaption { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: #5b6475; margin-bottom: 6px; }
.sample-state { font-size: 22px; font-weight: 700; margin-bottom: 12px; display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; align-items: baseline; }
.sample-state span { font-size: 14px; font-weight: 600; color: #26395f; }
.sample .timeline li { border-left-color: #d9dee7; }
.sample .timeline li::before { background: #fff; border-color: #5b6475; }
.sample .timeline li:first-child::before { background: #c62d36; border-color: #c62d36; }
.hero .sample p.muted, .sample .muted { color: #5b6475; }
.hero .sample p.muted { margin: 4px 0 0; }
.hero-track { margin-top: 32px; }
.hero-track-label { margin: 0 0 8px; font-weight: 600; }
ul.checks { padding-left: 20px; }
ul.checks li { margin-bottom: 6px; }
.hero .sample p.sample-link { margin: 10px 0 0; }
.hero .sample p.sample-link a { color: #26395f; font-weight: 600; }