:root {
  color-scheme: light;
  --ink: #172330;
  --muted: #586575;
  --line: #d9e0e7;
  --panel: #ffffff;
  --soft: #f5f7f9;
  --accent: #0f6f88;
  --danger: #ef173a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1160px, calc(100% - 24px));
  margin: 0 auto;
}

.top-strip {
  background: #26313a;
  color: #fff;
  font-size: 14px;
}

.top-strip .container,
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 12px 0;
}

.top-strip a {
  color: #fff;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--danger);
  font-weight: 900;
  font-size: 28px;
  letter-spacing: 0;
}

.brand span {
  color: var(--ink);
  margin-left: 3px;
  font-style: italic;
}

.main-nav ul,
.site-footer ul {
  display: flex;
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn,
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 14px;
  border-radius: 6px;
  border: 1px solid var(--line);
  font-weight: 700;
}

.btn-primary {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
}

.btn-secondary,
.badge {
  color: var(--accent);
  background: #fff;
}

.btn-block {
  width: 100%;
}

.page-title {
  background: #24313b;
  color: #fff;
  padding: 42px 0;
}

.page-title h1 {
  max-width: 980px;
  margin: 8px 0 12px;
  font-size: clamp(34px, 7vw, 64px);
  line-height: 1.05;
  letter-spacing: 0;
}

.page-title p {
  max-width: 820px;
  margin: 0;
  font-size: 18px;
}

.kicker,
.eyebrow {
  color: var(--danger);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.badge-freight {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

section {
  padding: 28px 0;
}

.stack > * + * {
  margin-top: 16px;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.8fr);
  gap: 24px;
}

.card,
.product-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.gallery {
  display: grid;
  gap: 12px;
}

.gallery img,
.product-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  background: #e8edf2;
}

.gallery img:not(:first-child) {
  max-width: 240px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table th,
.spec-table td {
  padding: 10px;
  border-top: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 34%;
  color: var(--muted);
}

.price {
  font-size: 26px;
  font-weight: 900;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.product-card {
  padding: 0;
  overflow: hidden;
}

.product-card-body {
  padding: 14px;
}

.product-card h3 {
  margin: 6px 0;
  font-size: 18px;
  line-height: 1.25;
}

.mini-specs {
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  margin-top: 28px;
  padding: 28px 0;
  color: #d9e2ea;
  background: #26313a;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
}

.site-footer a {
  color: #fff;
}

.site-footer ul {
  display: block;
}

details {
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

summary {
  cursor: pointer;
  font-weight: 800;
}

@media (max-width: 760px) {
  .top-strip .container,
  .site-header .container,
  .main-nav ul {
    display: block;
  }

  .top-strip span {
    display: block;
  }

  .main-nav ul {
    margin-top: 12px;
  }

  .main-nav li {
    margin: 8px 0;
  }

  .header-actions {
    margin-top: 10px;
  }

  .page-title {
    padding: 30px 0;
  }

  .page-title h1 {
    font-size: clamp(32px, 11vw, 46px);
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }
}