:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f5f6;
  --color-text: #212529;
  --color-text-muted: #6c757d;
  --color-primary: #e10729;
  --color-primary-dark: #b80620;
  --color-primary-tint: rgba(225, 7, 41, 0.08);
  --color-dark: #212529;
  --color-dark-alt: #343a40;
  --color-border: #e5e7ea;
  --radius-pill: 50px;
  --radius-card: 10px;
  --max-width: 1100px;
  --font: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #16181a;
    --color-bg-alt: #1e2124;
    --color-text: #eef0f1;
    --color-text-muted: #a3acb3;
    --color-border: #2c3033;
    --color-dark: #0e1011;
    --color-dark-alt: #1a1c1e;
  }
}

* { box-sizing: border-box; }

.bi { vertical-align: -0.1em; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font);
  line-height: 1.65;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); text-decoration: underline; }

h1, h2, h3 { line-height: 1.2; color: var(--color-text); font-weight: 700; }
h1 { font-size: 2rem; margin: 0.4em 0; }
h2 { font-size: 1.4rem; margin-top: 2em; }
h3 { font-size: 1.05rem; }

/* Header */
.site-header {
  background: var(--color-bg);
  border-bottom: 3px solid var(--color-primary);
  padding: 16px 0;
}
.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.brand {
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.brand span { color: var(--color-primary); }
.brand:hover { text-decoration: none; }
.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.88rem;
}
.main-nav a {
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.main-nav a:hover { color: var(--color-primary); text-decoration: none; }

/* Hero */
.hero {
  background: var(--color-dark);
  padding: 56px 0 48px;
  margin-bottom: 8px;
}
.hero h1 { color: #fff; font-size: 2.3rem; margin-top: 0; }
.hero-lead { color: #c3c8cc; max-width: 65ch; font-size: 1.05rem; }
.hero-cta {
  margin-top: 22px;
}

/* Eyebrow / badge pill */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary-tint);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 10px;
}

.section { padding-top: 24px; padding-bottom: 24px; }

h2.section-title {
  position: relative;
  padding-bottom: 10px;
  margin-top: 2.2em;
}
h2.section-title::after {
  content: "";
  display: block;
  width: 46px;
  height: 3px;
  background: var(--color-primary);
  margin-top: 10px;
  border-radius: 2px;
}

.card-grid, .product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.guide-card, .product-card {
  display: block;
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: var(--radius-card);
  padding: 18px;
  background: var(--color-bg-alt);
  color: var(--color-text);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.guide-card:hover, .product-card:hover {
  text-decoration: none;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}
.guide-card h3, .product-card h3 { margin: 0 0 6px; font-size: 1.02rem; }
.guide-card p, .product-card p { margin: 0; color: var(--color-text-muted); font-size: 0.9rem; }

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #fff;
  border-radius: 6px;
  margin-bottom: 10px;
}
.product-card .price { color: var(--color-primary); font-weight: 700; font-size: 1.05rem; margin-top: 6px; }

.catalog-link { margin-top: 24px; font-size: 0.95rem; }

.breadcrumb {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  padding-top: 14px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.breadcrumb a { color: var(--color-text-muted); font-weight: 600; }
.breadcrumb a:hover { color: var(--color-primary); }

.product-page {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-top: 20px;
  padding-bottom: 40px;
}
@media (min-width: 780px) {
  .product-page { grid-template-columns: 380px 1fr; }
}
.product-media img {
  width: 100%;
  border-radius: var(--radius-card);
  background: #fff;
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
}

.price-box {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 18px;
  margin: 16px 0;
}
.price { font-size: 1.7rem; font-weight: 900; color: var(--color-primary); display: block; margin-bottom: 12px; }
.price-unavailable { color: var(--color-text-muted); font-size: 1.05rem; font-weight: 700; }
.price-fallback-note { font-size: 0.85rem; color: var(--color-text-muted); margin: 6px 0 12px; }

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; text-decoration: none; }
.btn-dark {
  background: var(--color-dark);
  color: #fff;
}
.btn-dark:hover { background: #000; color: #fff; text-decoration: none; }

.product-description {
  background: var(--color-bg-alt);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  padding: 16px 20px;
  margin: 18px 0;
}
.product-description p { margin: 0; }

.section-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-dark);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 12px 18px;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  margin-top: 22px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-card) var(--radius-card);
  overflow: hidden;
  margin-bottom: 18px;
}
.spec-table th, .spec-table td { text-align: left; padding: 10px 18px; border-bottom: 1px solid var(--color-border); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }
.spec-table th { width: 40%; color: var(--color-text-muted); font-weight: 600; }

.variants ul { list-style: none; padding: 0; margin: 8px 0; display: flex; flex-wrap: wrap; gap: 8px; }
.variants li a {
  display: inline-block;
  padding: 7px 14px;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
}
.variants li a:hover { background: var(--color-primary); color: #fff; text-decoration: none; }
.variants-note { font-size: 0.8rem; color: var(--color-text-muted); }

.related-guides, .related-products { padding-top: 10px; padding-bottom: 40px; }
.related-guides ul { padding-left: 20px; }

.guide-page { padding-top: 20px; padding-bottom: 20px; }
.guide-page h1 { max-width: 75ch; }
.guide-body { max-width: 75ch; }
.guide-body p { margin: 1em 0; }

.site-footer {
  background: var(--color-dark-alt);
  color: #c3c8cc;
  margin-top: 48px;
  padding: 28px 0 36px;
  font-size: 0.85rem;
}
.site-footer p { margin: 0.5em 0; }
.footer-links a { margin: 0 4px; color: #dfe2e5; font-weight: 600; }
.footer-links a:hover { color: var(--color-primary); }
.footer-legal-links { font-size: 0.8rem; }
.footer-legal-links a { margin: 0 4px; color: #a7afb5; }
.footer-legal-links a:hover { color: var(--color-primary); }
.footer-note { color: #8b939a; font-size: 0.8rem; }