:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-alt: #f0f9ff;
  --surface-teal: #f0fdfa;
  --border: #dbe4ee;
  --text: #1e293b;
  --text-muted: #475569;
  --heading: #0f172a;
  --primary: #0369a1;
  --primary-dark: #075985;
  --teal: #0f766e;
  --teal-dark: #115e59;
  --accent-warm: #e2e8f0;
  --btn-amz: #0284c7;
  --btn-amz-hover: #0369a1;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
  --max-w: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  overflow-x: hidden;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--primary-dark); }
.skip-link {
  position: absolute; left: -9999px; top: 8px;
  background: var(--heading); color: #fff; padding: 8px 14px; border-radius: 6px; z-index: 999;
}
.skip-link:focus { left: 12px; }
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.header-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.brand-link {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--heading); font-weight: 700; font-size: 1.15rem;
}
.brand-mark { width: 32px; height: 32px; flex-shrink: 0; }
.brand-tagline {
  display: block; font-size: 0.75rem; font-weight: 500; color: var(--teal); letter-spacing: 0.02em;
}
.nav-toggle {
  display: none; background: var(--surface-alt); border: 1px solid var(--border);
  color: var(--heading); padding: 8px 12px; border-radius: 8px; font-weight: 600; cursor: pointer;
}
.site-nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
}
.site-nav a {
  text-decoration: none; color: var(--text); font-weight: 600; font-size: 0.94rem;
  padding: 6px 8px; border-radius: 6px;
}
.site-nav a:hover, .site-nav a[aria-current="page"] {
  background: var(--surface-alt); color: var(--primary-dark);
}
main#main-content {
  max-width: var(--max-w); margin: 0 auto; padding: 20px 20px 56px;
}
.aff-disclosure {
  background: var(--surface-alt);
  border: 1px solid #bae6fd;
  border-left: 4px solid var(--primary);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.88rem;
  margin-bottom: 18px;
}
.breadcrumbs {
  font-size: 0.85rem; color: var(--text-muted); margin-bottom: 14px;
}
.breadcrumbs ol {
  list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px;
}
.breadcrumbs li + li::before { content: "›"; margin-right: 6px; color: var(--text-muted); }
.hero {
  background: linear-gradient(135deg, #f0f9ff 0%, #f0fdfa 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  margin-bottom: 28px;
  box-shadow: var(--shadow);
}
.hero-eyebrow {
  display: inline-block; font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--teal); background: #ccfbf1;
  padding: 4px 10px; border-radius: 999px; margin-bottom: 10px;
}
h1 {
  color: var(--heading); font-size: clamp(1.65rem, 3vw, 2.35rem);
  line-height: 1.22; margin: 0 0 12px;
}
h2 {
  color: var(--heading); font-size: clamp(1.3rem, 2.2vw, 1.65rem);
  line-height: 1.3; margin: 32px 0 12px;
}
h3 { color: var(--heading); font-size: 1.12rem; line-height: 1.35; margin: 18px 0 8px; }
p { margin: 0 0 14px; }
.hero-lead { font-size: 1.05rem; color: var(--text); max-width: 78ch; margin-bottom: 16px; }
.meta-bar {
  display: flex; flex-wrap: wrap; gap: 14px; font-size: 0.85rem; color: var(--text-muted);
  margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border);
}
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 14px; }
.btn-amazon, .btn-primary, .btn-secondary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 16px; border-radius: 8px; font-weight: 600; font-size: 0.92rem;
  text-decoration: none; cursor: pointer; transition: background 0.15s ease;
  text-align: center;
}
.btn-amazon { background: var(--btn-amz); color: #ffffff !important; border: 1px solid var(--primary-dark); }
.btn-amazon:hover { background: var(--btn-amz-hover); color: #ffffff !important; }
.btn-primary { background: var(--teal); color: #ffffff !important; border: 1px solid var(--teal-dark); }
.btn-primary:hover { background: var(--teal-dark); }
.btn-secondary { background: var(--surface); color: var(--primary-dark) !important; border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--surface-alt); }
.grid-2, .grid-3, .product-grid {
  display: grid; gap: 20px; margin: 18px 0 28px;
}
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3, .product-grid { grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.card, .product-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; justify-content: space-between;
}
.product-thumb-wrap {
  background: #f8fafc; border: 1px solid var(--border); border-radius: 8px;
  padding: 10px; margin-bottom: 14px; display: flex; align-items: center; justify-content: center;
  aspect-ratio: 4 / 3; overflow: hidden;
}
.product-thumb {
  width: 100%; height: 100%; object-fit: contain; max-height: 210px;
}
.badge-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.badge {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  padding: 3px 8px; border-radius: 6px; background: var(--surface-alt); color: var(--primary-dark);
}
.badge-teal { background: var(--surface-teal); color: var(--teal-dark); }
.spec-dl {
  margin: 10px 0 14px; padding: 0; font-size: 0.88rem; border-top: 1px solid var(--border);
}
.spec-dl div {
  display: grid; grid-template-columns: 125px 1fr; gap: 8px;
  padding: 6px 0; border-bottom: 1px solid #f1f5f9;
}
.spec-dl dt { font-weight: 600; color: var(--heading); }
.spec-dl dd { margin: 0; color: var(--text); }
.table-wrap {
  width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); margin: 18px 0 28px;
}
table.comp-table {
  width: 100%; border-collapse: collapse; min-width: 680px; font-size: 0.88rem;
}
table.comp-table th, table.comp-table td {
  padding: 11px 12px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top;
}
table.comp-table th {
  background: var(--surface-alt); color: var(--heading); font-weight: 700;
}
table.comp-table tr:last-child td { border-bottom: none; }
.callout {
  background: var(--surface-teal); border: 1px solid #99f6e4;
  border-left: 4px solid var(--teal); border-radius: var(--radius);
  padding: 16px 18px; margin: 20px 0;
}
.callout h3 { margin-top: 0; }
.filter-bar {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 18px; margin-bottom: 20px; display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
}
.filter-bar label { font-size: 0.88rem; font-weight: 600; color: var(--heading); display: flex; align-items: center; gap: 8px; }
.filter-bar select, .finder-form select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  background: #fff; color: var(--heading); font-size: 0.9rem;
}
.finder-box {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; margin: 22px 0; box-shadow: var(--shadow);
}
.finder-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin: 12px 0 16px;
}
.finder-grid label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 4px; color: var(--heading); }
.finder-grid select { width: 100%; }
.finder-result {
  margin-top: 16px; padding: 16px; background: var(--surface-alt);
  border: 1px solid #bae6fd; border-radius: 8px;
}
.faq-list { display: grid; gap: 12px; margin: 18px 0 28px; }
.faq-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px 18px;
}
.faq-item h3 { margin: 0 0 6px; font-size: 1.02rem; }
.faq-item p { margin: 0; }
.site-footer {
  background: #0f172a; color: #e2e8f0; padding: 40px 20px 32px; margin-top: 48px;
  font-size: 0.88rem;
}
.footer-inner { max-width: var(--max-w); margin: 0 auto; }
.footer-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; margin-bottom: 24px;
}
.site-footer h3 { color: #ffffff; font-size: 0.96rem; margin: 0 0 10px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.site-footer a { color: #bae6fd; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-legal {
  border-top: 1px solid #334155; padding-top: 18px; color: #cbd5e1; font-size: 0.82rem;
}
.consent-banner {
  position: fixed; bottom: 16px; left: 16px; right: 16px; max-width: 720px; margin: 0 auto;
  background: var(--heading); color: #f8fafc; padding: 16px 20px; border-radius: 12px;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.35); z-index: 900;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px;
}
.consent-banner[hidden] { display: none !important; }
.consent-banner p { margin: 0; font-size: 0.86rem; flex: 1 1 320px; }
.consent-banner a { color: #7dd3fc; }
.consent-actions { display: flex; gap: 10px; }
.consent-actions button {
  padding: 8px 14px; border-radius: 6px; font-weight: 600; font-size: 0.85rem; cursor: pointer; border: none;
}
#cookie-accept { background: #38bdf8; color: #0f172a; }
#cookie-decline { background: #334155; color: #f8fafc; }
@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .site-nav { display: none; width: 100%; }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; align-items: flex-start; gap: 6px; padding-top: 10px; }
  .spec-dl div { grid-template-columns: 1fr; gap: 2px; }
}