:root {
    --blue: #2b6bff;
    --blue-hover: #1d58e8;
    --blue-soft: #e8efff;
    --hero-a: #4aa3ff;
    --hero-b: #1e4fd8;
    --hero-c: #163ea8;
    --ink: #1a2332;
    --ink-soft: #5b6b80;
    --paper: #f6f8fc;
    --card: #ffffff;
    --line: #e4e9f2;
    --ok: #0f8a4b;
    --ok-bg: #e6f7ee;
    --warn: #c47a00;
    --err: #c03636;
    --err-bg: #fdecec;
    --nav: #0f1c33;
    --nav-text: #d7e0ef;
    --shadow: 0 12px 40px rgba(22, 50, 120, .12);
    --shadow-sm: 0 6px 20px rgba(22, 50, 120, .08);
    --radius: 20px;
    --radius-sm: 12px;
    --sans: Inter, "Segoe UI", system-ui, sans-serif;
    --mono: "IBM Plex Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.5; }
body.is-public { background: #fff; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-hover); }
h1 { font-size: 32px; margin: 0 0 8px; letter-spacing: -.03em; font-weight: 700; }
h2 { font-size: 28px; letter-spacing: -.02em; margin: 0 0 12px; }
h3 { margin: 0 0 10px; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.lead { color: var(--ink-soft); margin: 0 0 24px; font-size: 16px; }
.muted { color: var(--ink-soft); font-size: 13px; }
.logo { font-weight: 800; font-size: 22px; letter-spacing: -.04em; color: var(--ink); text-decoration: none; }
.logo small { display: block; font-size: 11px; font-weight: 500; color: #8a97ab; letter-spacing: 0; margin-top: 2px; }
.logo.light { color: #fff; }

.btn {
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--blue); color: #fff; border: 0; padding: 12px 20px;
    border-radius: 12px; cursor: pointer; font-weight: 600; font-size: 15px;
    text-decoration: none; box-shadow: 0 8px 18px rgba(43, 107, 255, .25);
}
.btn:hover { background: var(--blue-hover); color: #fff; }
.btn.secondary { background: var(--ink); box-shadow: none; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); box-shadow: none; }
.btn.ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn.white { background: #fff; color: var(--blue); }

.topnav { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.topnav-inner { display: flex; align-items: center; gap: 28px; min-height: 72px; }
.topnav-links { display: flex; gap: 22px; flex: 1; }
.topnav-links a { color: var(--ink); font-weight: 500; }
.topnav-actions { display: flex; gap: 10px; }

.hero {
    background: linear-gradient(115deg, var(--hero-a) 0%, var(--hero-b) 48%, var(--hero-c) 100%);
    color: #fff; padding: 72px 0 88px; text-align: center;
}
.hero h1 { color: #fff; font-size: clamp(28px, 4.4vw, 46px); max-width: 880px; margin: 0 auto 12px; line-height: 1.15; }
.hero-sub { color: rgba(255,255,255,.88); max-width: 720px; margin: 0 auto 28px; font-size: 17px; }
.calc-card {
    background: #fff; color: var(--ink); border-radius: 24px; padding: 22px;
    box-shadow: var(--shadow); text-align: left; display: grid;
    grid-template-columns: 1.1fr 1.1fr 1fr 1.3fr; gap: 12px; align-items: end;
}
.calc-card label { display: block; font-size: 12px; font-weight: 600; color: var(--ink-soft); margin-bottom: 6px; }
.calc-dims { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.calc-extras { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.calc-cta { grid-column: 1 / -1; display: flex; justify-content: flex-end; }
.hero-note { margin: 16px 0 0; color: rgba(255,255,255,.85); font-size: 14px; }
.hero-note a { color: #fff; text-decoration: underline; }
.topnav-links { flex-wrap: wrap; }

.stats {
    background: #12306b; color: #fff; display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 16px; padding: 28px 0;
}
.stats .wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; width: min(1120px, calc(100% - 40px)); }
.stat { text-align: center; }
.stat strong { display: block; font-size: 22px; }

.section { padding: 72px 0; }
.section.alt { background: var(--paper); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 36px; }

.courier-row, .feature-grid, .cards, .grid2, .grid3 { display: grid; gap: 16px; }
.courier-row { grid-template-columns: repeat(5, 1fr); }
.feature-grid { grid-template-columns: repeat(4, 1fr); }
.cards { grid-template-columns: repeat(4, 1fr); margin-bottom: 28px; }
.grid2 { grid-template-columns: 1fr 1fr; }
.grid3 { grid-template-columns: 1fr 1fr 1fr; }

.card, .courier-card, .feature-card {
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 20px; box-shadow: var(--shadow-sm);
}
.card .k, .courier-card .k { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); font-weight: 600; }
.card .v { font-size: 26px; font-weight: 700; margin-top: 8px; letter-spacing: -.03em; }
.courier-card { text-align: center; }
.courier-card .name { font-weight: 700; margin-bottom: 8px; }
.courier-card .from { font-size: 22px; font-weight: 800; color: var(--blue); }
.courier-card .eta { color: var(--ink-soft); font-size: 13px; margin-top: 6px; }

.icon-sq {
    width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
    color: #fff; font-weight: 800; margin-bottom: 14px; font-size: 18px;
}
.icon-sq.blue { background: #2b6bff; }
.icon-sq.purple { background: #7b5cff; }
.icon-sq.green { background: #12a15a; }
.icon-sq.orange { background: #ff8a1f; }

.trust { display: flex; justify-content: center; gap: 28px; flex-wrap: wrap; color: var(--ink-soft); margin-top: 28px; font-size: 14px; }
.biz { display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; align-items: center; }
.biz-panel { background: linear-gradient(135deg, #2b6bff, #163ea8); color: #fff; border-radius: 24px; padding: 36px; }
.biz-panel h2 { color: #fff; }
.biz-panel p { color: rgba(255,255,255,.86); }

.site-footer { background: #0f1c33; color: #c5d0e0; padding: 48px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.site-footer a { display: block; color: #d7e0ef; margin: 6px 0; }
.site-footer h4 { color: #fff; margin: 0 0 10px; }
.footer-copy { margin-top: 28px; padding-top: 18px; border-top: 1px solid #24344d; font-size: 13px; color: #8a97ab; }

.auth-page { min-height: calc(100vh - 72px); display: grid; place-items: start center; padding: 48px 20px 80px; background: linear-gradient(180deg, #eaf2ff 0%, #fff 42%); }
.auth {
    width: min(480px, 100%); background: #fff; padding: 36px; border-radius: 24px;
    box-shadow: var(--shadow); border: 1px solid var(--line);
}
.auth.wide { width: min(880px, 100%); }
.auth h1 { font-size: 28px; }
fieldset { border: 0; padding: 0; margin: 0 0 22px; }
fieldset legend { font-weight: 700; margin-bottom: 10px; padding: 0; }

.shell { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.sidenav { background: var(--nav); color: var(--nav-text); padding: 28px 20px; }
.sidenav .logo { color: #fff; display: block; margin-bottom: 32px; }
.sidenav nav { display: flex; flex-direction: column; gap: 4px; }
.sidenav a { color: #d7e0ef; text-decoration: none; padding: 9px 12px; border-radius: 10px; font-weight: 500; }
.sidenav a:hover, .sidenav a.active { background: rgba(255,255,255,.08); color: #fff; }
.main { padding: 32px 40px 64px; }

label { display: block; font-size: 13px; margin: 12px 0 6px; font-weight: 600; }
input, select, textarea {
    width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px;
    font: inherit; background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #c9d8ff; border-color: var(--blue); }
.check { display: flex; align-items: center; gap: 8px; margin: 14px 0; }
.check input { width: auto; }

table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: 14px; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); background: #f8faff; }
.alert { padding: 12px 14px; background: var(--err-bg); color: var(--err); border-radius: 10px; margin-bottom: 16px; }
.ok { background: var(--ok-bg); color: var(--ok); }
.badge { display: inline-block; padding: 3px 9px; border-radius: 99px; background: var(--blue-soft); color: var(--blue); font-size: 12px; font-weight: 600; }
.timeline { border-left: 2px solid var(--line); margin-left: 8px; padding-left: 16px; }
.timeline li { margin: 0 0 14px; list-style: none; }
.offer { display: flex; justify-content: space-between; align-items: center; padding: 16px 18px; border: 1px solid var(--line); background: var(--card); margin-bottom: 10px; border-radius: 14px; }
.price { font-size: 22px; font-weight: 800; color: var(--blue); }
footer.page { margin-top: 40px; color: var(--ink-soft); font-size: 12px; }

.docs { padding: 48px 0 80px; }
.docs h2 { margin-top: 36px; }
.docs pre, pre {
    background: #0f1c33; color: #e8eef8; padding: 16px 18px; border-radius: 14px;
    overflow: auto; font-family: var(--mono); font-size: 13px;
}
.docs code, code { font-family: var(--mono); font-size: 13px; }
.price-table { margin-top: 28px; }
.wrap.narrow { width: min(760px, calc(100% - 40px)); }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step-card, .retur-block { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm); }
.step-num { width: 36px; height: 36px; border-radius: 10px; background: var(--blue-soft); color: var(--blue); display: grid; place-items: center; font-weight: 800; margin-bottom: 12px; }
.faq { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 700; }
.faq p { margin: 10px 0 4px; color: var(--ink-soft); }
.track-form { max-width: 520px; }
.locker-box { margin-top: 16px; }
.locker-list { max-height: 200px; overflow: auto; border: 1px solid var(--line); border-radius: 10px; margin-top: 8px; }
.locker-item { display: flex; align-items: center; gap: 8px; padding: 8px 10px; margin: 0; font-weight: 500; }
.locker-item input { width: auto; }
.extras-line { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; font-size: 12px; color: var(--ink-soft); }

@media (max-width: 1100px) {
    .calc-card, .calc-extras, .courier-row, .feature-grid, .cards, .grid2, .grid3, .biz, .stats .wrap, .footer-grid, .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
    .shell { grid-template-columns: 1fr; }
    .topnav-inner { flex-wrap: wrap; padding: 12px 0; }
    .calc-card, .calc-extras, .courier-row, .feature-grid, .cards, .grid2, .grid3, .biz, .stats .wrap, .footer-grid, .steps { grid-template-columns: 1fr; }
    .hero { padding: 48px 0 64px; }
    .main { padding: 24px 18px 48px; }
}