:root {
  color-scheme: light;
  --ink: #132f3b;
  --muted: #4b626b;
  --line: #cbd6da;
  --surface: #f5f8f9;
  --brand: #0f6078;
  --brand-dark: #083f50;
  --accent: #d96a1d;
  --success: #166534;
  --danger: #a52222;
  --focus: #ffbf47;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { font-family: Arial, Helvetica, sans-serif; color: var(--ink); background: #fff; line-height: 1.55; }
body { margin: 0; min-width: 320px; }
a { color: var(--brand-dark); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 4px solid var(--focus); outline-offset: 3px;
}
img { max-width: 100%; height: auto; }
.container { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.skip-link { position: absolute; left: 1rem; top: -5rem; background: #fff; padding: .8rem; z-index: 20; }
.skip-link:focus { top: 1rem; }
.site-header { border-bottom: 1px solid var(--line); background: #fff; }
.utility { background: var(--ink); color: #fff; font-size: .9rem; padding: .35rem 0; }
.utility .container { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.brand-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 0; }
.brand { text-decoration: none; display: flex; align-items: center; gap: .7rem; font-weight: 800; font-size: 1.25rem; color: var(--ink); }
.brand-mark { display: grid; place-items: center; width: 2.3rem; height: 2.3rem; border-radius: .35rem; color: #fff; background: var(--brand); }
.nav { display: flex; flex-wrap: wrap; gap: .4rem 1rem; align-items: center; }
.nav a { padding: .45rem .15rem; font-weight: 700; text-decoration: none; }
.nav a[aria-current="page"] { border-bottom: 3px solid var(--accent); }
.breadcrumb { font-size: .92rem; padding: 1rem 0 0; color: var(--muted); }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; padding: 0; margin: 0; }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: .4rem; color: #7b8c93; }
main { min-height: 55vh; }
.hero { background: linear-gradient(135deg, #e9f2f4, #f9fbfb); padding: clamp(2.5rem, 7vw, 6rem) 0; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.35fr .85fr; gap: 2.5rem; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .09em; color: var(--brand); font-weight: 800; font-size: .85rem; }
h1, h2, h3 { line-height: 1.18; text-wrap: balance; }
h1 { font-size: clamp(2rem, 5vw, 3.7rem); margin: .35rem 0 1rem; }
h2 { font-size: clamp(1.45rem, 3vw, 2.15rem); margin-top: 2.1rem; }
h3 { font-size: 1.18rem; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 65ch; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.4rem; }
.button, button { appearance: none; border: 2px solid var(--brand); border-radius: .32rem; background: var(--brand); color: #fff; padding: .68rem 1rem; font: inherit; font-weight: 800; cursor: pointer; text-decoration: none; display: inline-block; }
.button:hover, button:hover { background: var(--brand-dark); border-color: var(--brand-dark); }
.button.secondary, button.secondary { background: #fff; color: var(--brand-dark); }
.button.danger, button.danger { background: var(--danger); border-color: var(--danger); }
.button:disabled, button:disabled { opacity: .55; cursor: not-allowed; }
.section { padding: 2.8rem 0; }
.section.alt { background: var(--surface); border-block: 1px solid var(--line); }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.15rem; }
.category-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.card { border: 1px solid var(--line); border-radius: .55rem; background: #fff; overflow: hidden; display: flex; flex-direction: column; }
.card img { aspect-ratio: 4/3; object-fit: cover; background: var(--surface); border-bottom: 1px solid var(--line); }
.card-body { padding: 1rem; display: flex; flex-direction: column; flex: 1; }
.card h2, .card h3 { margin: .2rem 0 .6rem; font-size: 1.18rem; }
.card h2 a, .card h3 a { text-decoration: none; }
.card .meta { margin-top: auto; padding-top: .8rem; }
.tag { display: inline-block; border: 1px solid var(--line); border-radius: 99px; padding: .18rem .55rem; font-size: .82rem; background: var(--surface); }
.price { font-size: 1.2rem; font-weight: 800; color: var(--ink); }
.availability { font-weight: 800; color: var(--success); }
.availability.unavailable { color: var(--danger); }
.notice, .legal-draft, .error, .success { border-left: 5px solid var(--brand); background: #edf6f8; padding: 1rem; margin: 1.2rem 0; }
.legal-draft { border-color: var(--accent); background: #fff5eb; }
.error { border-color: var(--danger); background: #fff1f1; color: #721c1c; }
.success { border-color: var(--success); background: #effaf2; }
.filters { border: 1px solid var(--line); background: var(--surface); padding: 1rem; margin: 1.2rem 0 1.6rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.form-grid .wide { grid-column: 1 / -1; }
label, legend { font-weight: 800; }
label { display: block; margin-bottom: .25rem; }
input, select, textarea { width: 100%; border: 2px solid #82959d; border-radius: .28rem; padding: .65rem; font: inherit; color: var(--ink); background: #fff; }
input[type="checkbox"], input[type="radio"] { width: auto; margin-right: .45rem; transform: scale(1.15); }
fieldset { border: 1px solid var(--line); padding: 1rem; margin: 0 0 1rem; }
.choice { display: flex; gap: .35rem; align-items: flex-start; font-weight: 400; margin: .55rem 0; }
.help { color: var(--muted); font-size: .9rem; margin-top: .2rem; }
.product-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem; padding: 2rem 0; }
.product-image { border: 1px solid var(--line); border-radius: .5rem; }
.data-list { display: grid; grid-template-columns: minmax(9rem, .7fr) 1.3fr; border-top: 1px solid var(--line); }
.data-list dt, .data-list dd { margin: 0; padding: .65rem 0; border-bottom: 1px solid var(--line); }
.data-list dt { font-weight: 800; padding-right: 1rem; }
.steps { list-style: none; display: grid; grid-template-columns: repeat(7, 1fr); padding: 0; margin: 1.5rem 0; gap: .35rem; counter-reset: step; }
.steps li { border-top: 5px solid var(--line); padding-top: .5rem; font-size: .82rem; }
.steps li.active { border-color: var(--brand); font-weight: 800; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .65rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--surface); }
.totals { margin-left: auto; width: min(100%, 30rem); }
.totals div { display: flex; justify-content: space-between; gap: 1rem; padding: .35rem 0; }
.totals .grand { font-size: 1.22rem; font-weight: 800; border-top: 2px solid var(--ink); padding-top: .7rem; }
.prose { max-width: 78ch; padding: 2rem 0 3rem; }
.prose p, .prose li { max-width: 72ch; }
.site-footer { background: var(--ink); color: #fff; margin-top: 3rem; padding: 2.5rem 0; }
.site-footer a { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 2rem; }
.footer-grid ul { list-style: none; padding: 0; }
.footer-grid li { margin: .35rem 0; }
.admin-bar { background: #fff4da; border-bottom: 1px solid #d7a72a; padding: .55rem 0; }
.admin-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }

@media (max-width: 820px) {
  .hero-grid, .product-layout, .footer-grid { grid-template-columns: 1fr; }
  .grid, .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: 1fr; }
  .steps li { border-top: 0; border-left: 5px solid var(--line); padding: .3rem .6rem; }
}

@media (max-width: 560px) {
  .brand-row { align-items: flex-start; flex-direction: column; }
  .grid, .category-grid, .form-grid { grid-template-columns: 1fr; }
  .data-list { grid-template-columns: 1fr; }
  .data-list dt { border-bottom: 0; padding-bottom: 0; }
  .data-list dd { padding-top: .2rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}