:root {
  /* Tirefolio palette — mint/sage green for tire-industry trust + warmth.
     Klarna-style layout, but accent flipped to a sophisticated green that
     reads as "premium independent" rather than the original soft-pink. */
  --mint-50: #f0fbf4;
  --mint-100: #d4f0dc;
  --mint-200: #86dba1;     /* primary accent — buttons, badges, current-nav */
  --mint-300: #1f9d56;     /* deep — link color, hover state */
  --mint-400: #0d6e36;     /* darker — text on light mint */
  --peach-50: #fff4ec;
  --peach-100: #ffe3cf;
  --cream-50: #fbfaf6;
  --sky-50: #f0f8ff;
  --sky-100: #c4e1f5;
  --lemon-50: #fffdd6;
  --lemon-100: #fbff45;
  --ink: #0a0a0a;
  --ink-soft: #5b5b58;
  --ink-mute: #8b8a86;
  --line: #ece9e0;
  --line-soft: #f5f2e8;
  --bg: var(--cream-50);
  --accent: var(--mint-200);
  --accent-ink: var(--ink);
  /* legacy aliases — anything that referenced --pink-* now resolves to mint */
  --pink-50: var(--mint-50);
  --pink-100: var(--mint-100);
  --pink-200: var(--mint-200);
  --pink-300: var(--mint-300);
  --max: 1180px;
  --max-prose: 720px;
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(10,10,10,.04);
  --shadow: 0 4px 14px rgba(10,10,10,.06), 0 1px 3px rgba(10,10,10,.04);
  --shadow-lg: 0 20px 50px rgba(10,10,10,.08), 0 4px 12px rgba(10,10,10,.04);
  --font-display: ui-sans-serif, "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-body: ui-sans-serif, "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font: 16px/1.55 var(--font-body);
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px; text-decoration-thickness: 1.5px; }
a:hover { text-decoration-color: var(--ink); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.025em; line-height: 1.05; margin: 0; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); letter-spacing: -0.02em; line-height: 1.15; }
h3 { font-size: 1.15rem; letter-spacing: -0.01em; line-height: 1.3; }
p { margin: 0 0 1rem; }
hr { border: 0; border-top: 1px solid var(--line); margin: 3rem 0; }
small { color: var(--ink-mute); }
code { background: var(--line-soft); padding: 0.1em 0.4em; border-radius: 4px; font-size: 0.92em; }

main { max-width: var(--max); margin: 0 auto; padding: 2rem 1.5rem 6rem; }
.article-shell { max-width: var(--max); margin: 0 auto; padding: 2rem 1.5rem 6rem; }
.article-shell.guide-article,
.article-shell.fit-article,
.article-shell.compare-article,
.article-shell.tire-detail-article,
.article-shell.size-article { max-width: var(--max); }
.article-shell p { max-width: var(--max-prose); }
.lede { font-size: 1.2rem; color: var(--ink-soft); margin-bottom: 1.75rem; max-width: var(--max-prose); line-height: 1.45; }

/* ─── Top bar ─────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; gap: 1.25rem;
  padding: .85rem 1.5rem;
  background: var(--ink);
  color: var(--bg);
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid transparent;
}
.topbar a { color: var(--bg); text-decoration: none; }
.brand { display: inline-flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1.1rem; letter-spacing: -0.015em; }
.brand-mark { display: block; border-radius: 6px; }
.brand-name { font-family: var(--font-display); }
.topbar-nav { display: flex; gap: .25rem; margin-left: 1.5rem; flex: 1; flex-wrap: wrap; }
.topbar-nav a { color: rgba(255,255,255,0.75); padding: .45rem .85rem; border-radius: var(--radius-pill); font-size: .92rem; transition: background .15s ease, color .15s ease; }
.topbar-nav a:hover { background: rgba(255,255,255,0.1); color: white; }
.topbar-nav a[aria-current="page"] { color: var(--ink); background: var(--lemon-100); }
.topbar-cta {
  background: var(--pink-200); color: var(--ink) !important;
  padding: .65rem 1.25rem;
  border-radius: var(--radius-pill);
  font-weight: 700; font-size: .92rem;
  transition: background .15s ease, transform .15s ease;
}
.topbar-cta:hover { background: var(--lemon-100); transform: translateY(-1px); }

/* ─── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  padding: .85rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 700; font-size: .98rem;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: background .15s ease, color .15s ease, transform .15s ease, border-color .15s ease;
  cursor: pointer;
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--pink-200); color: var(--ink); transform: translateY(-1px); text-decoration: none; }
.btn-secondary { background: white; color: var(--ink); border-color: var(--ink); }
.btn-secondary:hover { background: var(--ink); color: white; transform: translateY(-1px); text-decoration: none; }
.btn-soft { background: var(--pink-50); color: var(--ink); border-color: var(--pink-100); }
.btn-soft:hover { background: var(--pink-100); transform: translateY(-1px); text-decoration: none; }
.btn-lg { padding: 1.1rem 1.85rem; font-size: 1.05rem; }

/* ─── Hero ─────────────────────────────────────────── */
.hero {
  background: linear-gradient(160deg, var(--mint-50) 0%, #e9f7ed 50%, var(--cream-50) 100%);
  border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 6vw, 5rem) clamp(1.5rem, 4vw, 4rem);
  margin: 0 0 3rem;
  position: relative; overflow: hidden;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: .4rem;
  background: white; color: var(--ink-soft);
  font-size: .78rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  padding: .4rem .85rem; border-radius: var(--radius-pill);
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.hero h1 { max-width: 18ch; margin-bottom: 1.25rem; }
.hero-lede { font-size: 1.25rem; color: var(--ink-soft); max-width: 48ch; line-height: 1.45; margin: 0 0 2rem; }
.hero-cta { display: flex; gap: .75rem; flex-wrap: wrap; }
.hero-meta {
  display: flex; gap: 2.5rem; flex-wrap: wrap;
  margin-top: 2.5rem; padding-top: 2rem;
  border-top: 1px solid rgba(10,10,10,0.08);
}
.hero-meta-item { display: flex; flex-direction: column; gap: .15rem; }
.hero-meta-num { font-family: var(--font-display); font-size: 1.85rem; font-weight: 700; letter-spacing: -0.02em; }
.hero-meta-label { font-size: .82rem; color: var(--ink-soft); }

/* ─── Section + grid ─────────────────────────────────────────── */
.section { margin: 3rem 0; }
.section.compact { margin: 1.5rem 0; }
.section h2 { margin-bottom: 1rem; }
.section-heading { margin-bottom: 1.5rem; }
.section-heading .eyebrow { color: var(--pink-300); font-weight: 700; text-transform: uppercase; font-size: .78rem; letter-spacing: .08em; }
.section-heading p { color: var(--ink-soft); max-width: var(--max-prose); }

.three-up { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; margin-top: 1.5rem; }
.three-up-card {
  background: white;
  padding: 1.75rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  transition: transform .2s ease, box-shadow .2s ease;
}
.three-up-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.three-up-card h2 { font-size: 1.3rem; margin: 0 0 .5rem; }
.three-up-card p { color: var(--ink-soft); margin-bottom: 1rem; }
.three-up-card a { color: var(--ink); font-weight: 600; text-decoration-color: var(--accent); }

/* ─── Index tiles ─────────────────────────────────────────── */
.index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}
.index-tile {
  display: block;
  background: white;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.index-tile:hover { transform: translateY(-2px); border-color: var(--ink); box-shadow: var(--shadow); text-decoration: none; }
.index-tile h3 { font-size: 1.05rem; margin: 0 0 .25rem; font-weight: 700; }
.index-tile p { font-size: .85rem; color: var(--ink-soft); margin: 0; }

.brand-tile {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .75rem;
  padding: 1.5rem;
  background: white;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  min-height: 140px;
}
.brand-tile:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--ink); text-decoration: none; }
.brand-tile h3 { font-size: .98rem; margin: 0; font-weight: 700; text-align: center; }
.brand-tile p { font-size: .78rem; color: var(--ink-soft); margin: 0; text-align: center; }

/* Logo with text-initial fallback — img loads on top of initial circle;
   onerror handler hides the img so the initial shows through. */
.brand-logo-wrap {
  position: relative;
  width: 56px; height: 56px;
  display: inline-flex; align-items: center; justify-content: center;
}
.brand-logo-wrap.small { width: 32px; height: 32px; }
.brand-logo-wrap.large { width: 80px; height: 80px; }
.brand-initial {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--pink-100), var(--peach-100));
  color: var(--ink); font-weight: 700;
  font-family: var(--font-display);
  font-size: 1.5rem; letter-spacing: -0.02em;
  border-radius: 8px;
}
.brand-logo-wrap.small .brand-initial { font-size: 0.95rem; border-radius: 6px; }
.brand-logo-wrap.large .brand-initial { font-size: 2.25rem; border-radius: 10px; }
.brand-logo-wrap img {
  position: relative; z-index: 1;
  width: 100%; height: 100%;
  object-fit: contain;
  background: white; padding: 4px;
  border-radius: 8px;
}
.brand-logo-wrap.small img { padding: 2px; border-radius: 6px; }
.brand-logo-wrap.large img { padding: 6px; border-radius: 10px; }
.brand-tile-logo { width: 56px; height: 56px; object-fit: contain; border-radius: 8px; }

/* ─── Breadcrumb ─────────────────────────────────────────── */
.breadcrumb {
  color: var(--ink-mute);
  font-size: .85rem;
  margin-bottom: 1.5rem;
  display: flex; flex-wrap: wrap; align-items: center; gap: .35rem;
}
.breadcrumb a { color: var(--ink-soft); text-decoration: none; }
.breadcrumb a:hover { color: var(--ink); }

/* ─── Tables ─────────────────────────────────────────── */
.fitment-table, .compare-table, .price-table, .spec-table, .vehicles-table, .tires-table, .year-list, .result-breakdown {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  margin: 0 0 1rem;
}
th, td { padding: .85rem 1.1rem; text-align: left; font-size: .94rem; vertical-align: top; }
thead th {
  background: var(--line-soft);
  color: var(--ink);
  font-weight: 700; font-size: .76rem; text-transform: uppercase; letter-spacing: .07em;
  border-bottom: 1px solid var(--line);
}
tbody tr { transition: background .12s ease; }
tbody tr:not(:last-child) td { border-bottom: 1px solid var(--line-soft); }
tbody tr:hover { background: var(--cream-50); }
.fitment-table td:first-child { font-weight: 600; }
.spec-table th[scope="row"] { background: var(--line-soft); color: var(--ink-soft); font-weight: 600; font-size: .85rem; width: 38%; }
.compare-table thead th:not(:first-child) { text-align: center; font-size: .82rem; }
.compare-table td { text-align: center; }
.compare-table th[scope="row"] { background: var(--line-soft); text-align: left; }
.compare-table .spec-better { background: var(--mint-50); font-weight: 700; color: #0d4a1f; position: relative; }
.compare-table .spec-better::after { content: "✓"; margin-left: .4rem; color: #1f8a3a; font-weight: 700; }
.price-table tbody tr:hover { background: var(--lemon-50); }
.price-best { background: var(--lemon-50); font-weight: 700; }
.price-best th, .price-best td { color: var(--ink); }
.oos { color: #b91c1c; font-size: .82rem; margin-left: .35rem; }

/* ─── Badges ─────────────────────────────────────────── */
.badge { display: inline-flex; align-items: center; padding: .15rem .55rem; border-radius: var(--radius-pill); font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.badge-oem { background: var(--mint-100); color: #0d4a1f; margin-left: .4rem; }
.badge-alt { background: var(--line-soft); color: var(--ink-soft); margin-left: .4rem; }

/* ─── Shop CTA ─────────────────────────────────────────── */
.shop-cta {
  background: linear-gradient(135deg, var(--pink-50) 0%, var(--peach-50) 100%);
  border: 1px solid var(--pink-100);
  border-radius: var(--radius-lg);
  padding: 1.85rem 2rem;
  margin: 2rem 0;
  box-shadow: var(--shadow-sm);
}
.shop-cta-title { margin: 0 0 1rem; font-weight: 700; font-size: 1.15rem; font-family: var(--font-display); letter-spacing: -0.01em; }
.shop-cta-buttons { display: flex; gap: .65rem; flex-wrap: wrap; }
.merchant-btn {
  background: white; color: var(--ink);
  padding: .75rem 1.35rem;
  border-radius: var(--radius-pill);
  font-weight: 600; font-size: .92rem;
  border: 1.5px solid var(--ink);
  text-decoration: none;
  transition: background .15s ease, transform .15s ease, color .15s ease;
  display: inline-flex; align-items: center; gap: .4rem;
}
.merchant-btn::after { content: "→"; transition: transform .15s ease; }
.merchant-btn:hover { background: var(--ink); color: white; transform: translateY(-1px); text-decoration: none; }
.merchant-btn:hover::after { transform: translateX(2px); }
.shop-cta-disclaimer { font-size: .82rem; color: var(--ink-soft); margin: 1rem 0 0; }

/* ─── Editorial prose ─────────────────────────────────────────── */
.editorial { line-height: 1.7; }
.editorial p { max-width: 68ch; font-size: 1.02rem; }
.editorial h2 { margin-top: 2rem; }

/* ─── FAQ ─────────────────────────────────────────── */
.faq-item {
  margin-bottom: .65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  overflow: hidden;
  transition: border-color .15s ease;
}
.faq-item:hover { border-color: var(--ink-mute); }
.faq-item summary {
  cursor: pointer;
  padding: 1.1rem 1.35rem;
  font-weight: 700;
  font-size: 1rem;
  list-style: none;
  position: relative;
  padding-right: 3rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 1.35rem; top: 50%; transform: translateY(-50%); font-size: 1.4rem; font-weight: 400; color: var(--ink-soft); transition: transform .2s ease; }
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item[open] summary { border-bottom: 1px solid var(--line-soft); }
.faq-answer { padding: 1.1rem 1.35rem 1.25rem; color: var(--ink-soft); line-height: 1.65; }

.last-verified { color: var(--ink-mute); font-size: .85rem; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px dashed var(--line); }

.empty-state { padding: 1.25rem 1.5rem; background: var(--line-soft); border-radius: var(--radius); color: var(--ink-soft); border: 1px dashed var(--line); }
.price-block-empty { padding: 1.5rem; background: var(--peach-50); border-radius: var(--radius); color: var(--ink); border: 1px solid var(--peach-100); }
.price-block-empty p { margin: 0 0 1rem; }

/* ─── List variants ─────────────────────────────────────────── */
.model-list, .tire-list, .vehicle-list, .comparison-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: .55rem; }
.model-list li, .tire-list li, .vehicle-list li, .comparison-list li {
  background: white;
  padding: .85rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  font-size: .94rem;
  transition: border-color .15s ease, transform .15s ease;
}
.model-list li:hover, .tire-list li:hover, .vehicle-list li:hover, .comparison-list li:hover {
  border-color: var(--ink); transform: translateY(-1px);
}
.model-list a, .tire-list a, .vehicle-list a, .comparison-list a { color: var(--ink); text-decoration: none; }
.model-list a:hover, .tire-list a:hover, .vehicle-list a:hover, .comparison-list a:hover { text-decoration: underline; text-decoration-color: var(--pink-200); }

.sizes-grid { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.sizes-grid li a {
  display: inline-block; padding: .45rem .85rem;
  background: white; border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  font-size: .85rem; color: var(--ink); text-decoration: none;
  transition: background .15s ease, border-color .15s ease;
}
.sizes-grid li a:hover { background: var(--lemon-100); border-color: var(--ink); text-decoration: none; }

.size-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .55rem; }
.size-tile {
  display: block; padding: .85rem 1rem;
  background: white; border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center; font-weight: 600;
  color: var(--ink); text-decoration: none;
  transition: background .15s ease, border-color .15s ease, transform .15s ease;
}
.size-tile:hover { background: var(--lemon-100); border-color: var(--ink); transform: translateY(-2px); text-decoration: none; }

/* ─── Guide cards ─────────────────────────────────────────── */
.guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.25rem; }
.guide-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .15s ease, box-shadow .15s ease;
  display: flex; flex-direction: column;
}
.guide-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.guide-card-thumb { width: 100%; aspect-ratio: 16/9; overflow: hidden; background: var(--line-soft); }
.guide-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.guide-card:hover .guide-card-thumb img { transform: scale(1.03); }
.guide-card-body { padding: 1.5rem; flex: 1; }
.guide-card h2 { font-size: 1.2rem; margin: 0 0 .55rem; line-height: 1.25; }
.guide-card h2 a { color: var(--ink); text-decoration: none; }
.guide-card h2 a:hover { text-decoration: underline; text-decoration-color: var(--mint-200); }
.guide-card p { color: var(--ink-soft); font-size: .92rem; margin: 0 0 .85rem; line-height: 1.5; }
.guide-card .last-verified { border: 0; padding: 0; margin: 0; font-size: .78rem; }

/* Guide hero image inside the guide page */
.guide-hero {
  margin: 0 0 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--mint-50), var(--cream-50));
  aspect-ratio: 2/1;
  max-height: 400px;
}
.guide-hero img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ─── Brand logo + tire image patterns ─────────────────────────────────────────── */
.tire-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 200px;
  gap: 2rem;
  align-items: start;
  margin-bottom: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
}
.tire-hero-meta .brand-row { display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; }
.tire-hero-meta .brand-row img { width: 32px; height: 32px; object-fit: contain; border-radius: 6px; background: var(--line-soft); padding: 3px; }
.tire-hero-meta .brand-row .brand-name { font-weight: 700; font-size: .95rem; color: var(--ink-soft); }
.tire-hero-meta h1 { font-size: clamp(1.8rem, 4vw, 3rem); margin: 0; }
.tire-hero-image {
  background: linear-gradient(135deg, var(--line-soft), white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
}
.tire-hero-image img { max-width: 100%; max-height: 160px; object-fit: contain; }

/* ─── Toc ─────────────────────────────────────────── */
.toc {
  background: var(--mint-50);
  border-left: 4px solid var(--mint-100);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}
.toc-title { font-weight: 700; margin: 0 0 .65rem; font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); }
.toc ol { margin: 0; padding-left: 1.25rem; }
.toc li { padding: .15rem 0; font-size: .94rem; }
.toc a { color: var(--ink); text-decoration-color: var(--mint-100); }

/* ─── Sources ─────────────────────────────────────────── */
.source-list { list-style: none; padding: 0; margin: 0; }
.source-list li { padding: .65rem 0; font-size: .9rem; color: var(--ink-soft); border-bottom: 1px solid var(--line-soft); }
.source-list li:last-child { border-bottom: 0; }
.source-list a { color: var(--ink); }

/* ─── Calc form ─────────────────────────────────────────── */
.calc-form {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem 2rem 1.5rem;
  display: grid;
  gap: 1.25rem;
  max-width: 560px;
}
.calc-form label { display: flex; flex-direction: column; gap: .4rem; font-weight: 600; font-size: .92rem; color: var(--ink); }
.calc-form input, .calc-form select {
  font: inherit;
  padding: .85rem 1rem;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--cream-50);
  color: var(--ink);
  font-weight: 500;
  transition: border-color .15s ease;
}
.calc-form input:focus, .calc-form select:focus { outline: 0; border-color: var(--ink); }
.calc-form button {
  margin-top: .5rem;
  padding: .95rem 1.5rem;
  background: var(--ink); color: var(--bg);
  border: 0; border-radius: var(--radius-pill);
  font: 700 1rem var(--font-body);
  cursor: pointer;
  transition: background .15s ease, transform .15s ease;
}
.calc-form button:hover { background: var(--pink-200); color: var(--ink); transform: translateY(-1px); }
.calc-result {
  margin-top: 2rem;
  background: linear-gradient(135deg, var(--pink-50), var(--peach-50));
  border: 1px solid var(--pink-100);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.calc-result h2 { font-size: 1rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .06em; margin: 0 0 .5rem; font-weight: 700; }
.result-total { font-family: var(--font-display); font-size: 3rem; font-weight: 700; margin: 0 0 1.25rem; letter-spacing: -0.03em; }
.result-breakdown th, .result-breakdown td { padding: .55rem .85rem; }
.result-row-total { background: var(--lemon-50); font-size: 1.05rem; }
.result-perk { color: #0d4a1f; font-weight: 600; font-style: italic; padding: .65rem 0 0; }
.calc-disclaimer { font-size: .82rem; color: var(--ink-soft); margin: 1.25rem 0 0; }

/* ─── Footer ─────────────────────────────────────────── */
.site-footer {
  margin-top: 6rem;
  background: var(--ink);
  color: var(--bg);
}
.site-footer a { color: var(--bg); }
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem 1.5rem 2.5rem;
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: 3rem;
}
.footer-brand .brand-name { color: white; }
.footer-tagline { color: rgba(255,255,255,0.65); font-size: .92rem; max-width: 38ch; line-height: 1.55; margin-top: 1rem; }
.footer-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
}
.footer-col { display: flex; flex-direction: column; gap: .55rem; }
.footer-col-title { font-weight: 700; color: white; margin: 0 0 .35rem; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; }
.footer-col a { color: rgba(255,255,255,0.65); font-size: .92rem; text-decoration: none; transition: color .15s ease; }
.footer-col a:hover { color: white; text-decoration: underline; text-decoration-color: var(--pink-200); }
.footer-meta {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.5rem 2rem;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  color: rgba(255,255,255,0.5);
  font-size: .82rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.footer-meta a { color: rgba(255,255,255,0.5); text-decoration: none; }
.footer-meta a:hover { color: white; }

/* ─── About author card ─────────────────────────────────────────── */
.about-author { display: flex; justify-content: center; }
.about-author-card {
  background: linear-gradient(135deg, var(--mint-50), var(--cream-50));
  border: 1px solid var(--mint-100);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 720px;
  width: 100%;
}
.about-author-card h3 { font-size: 1.6rem; margin: 0 0 .25rem; letter-spacing: -0.015em; }
.about-author-title { font-size: .82rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--mint-300); margin: 0 0 1.25rem; }
.about-author-card p { font-size: 1.02rem; line-height: 1.65; color: var(--ink-soft); margin: 0 0 1rem; max-width: none; }
.about-author-card p:last-child { margin: 0; }

/* ─── Compare-page hero ─────────────────────────────────────────── */
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.compare-hero {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: center;
  background: linear-gradient(135deg, var(--mint-50), var(--cream-50));
  border: 1px solid var(--mint-100);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  margin: 0 0 2rem;
}
.compare-hero-side { text-align: center; }
.compare-hero-side .brand-logo-wrap.large { margin: 0 auto .75rem; }
.compare-hero-brand { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); margin: 0 0 .25rem; }
.compare-hero-model { font-size: clamp(1.1rem, 2.5vw, 1.6rem); font-weight: 700; margin: 0; line-height: 1.2; letter-spacing: -0.015em; }
.compare-hero-vs {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 700;
  background: var(--ink); color: var(--mint-200);
  width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  letter-spacing: -0.02em;
}
@media (max-width: 640px) {
  .compare-hero { grid-template-columns: 1fr; gap: .75rem; padding: 1.5rem 1rem; }
  .compare-hero-vs { margin: 0 auto; width: 48px; height: 48px; font-size: 1.6rem; }
}

/* ─── Recommendation cards (cross-link recommender) ─────────────────── */
.section.recommended { background: var(--peach-50); border-radius: var(--radius-lg); padding: 2rem; margin: 2rem 0; border: 1px solid var(--peach-100); }
.section.recommended .section-heading { margin-bottom: 1rem; }
.tire-rec-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: .85rem; }
.tire-rec-card {
  display: flex; gap: .85rem; align-items: center;
  background: white; padding: 1rem 1.1rem;
  border-radius: var(--radius); border: 1px solid var(--line);
  text-decoration: none; color: var(--ink);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.tire-rec-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--ink); text-decoration: none; }
.tire-rec-meta { flex: 1; min-width: 0; }
.tire-rec-brand { font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-soft); margin: 0; }
.tire-rec-model { font-size: 1rem; font-weight: 700; margin: 2px 0 4px; letter-spacing: -0.01em; line-height: 1.2; }
.tire-rec-tags { font-size: .78rem; color: var(--ink-soft); margin: 0; }

.vehicle-rec-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: .65rem; }
.vehicle-rec-card {
  display: block; background: white;
  padding: .85rem 1rem; border-radius: var(--radius); border: 1px solid var(--line);
  text-decoration: none; color: var(--ink);
  transition: transform .15s ease, border-color .15s ease;
}
.vehicle-rec-card:hover { transform: translateY(-2px); border-color: var(--ink); text-decoration: none; }
.vehicle-rec-year { font-size: .72rem; font-weight: 700; color: var(--pink-300); letter-spacing: .04em; margin: 0; }
.vehicle-rec-name { font-size: .95rem; font-weight: 700; margin: 2px 0 4px; }
.vehicle-rec-size { font-size: .76rem; color: var(--ink-soft); margin: 0; font-variant-numeric: tabular-nums; }

/* ─── Recall banner ─────────────────────────────────────────── */
.recall-banner {
  background: linear-gradient(135deg, #fff4cf, #ffe1a8);
  border: 2px solid #d97706;
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
  display: flex; gap: 1.25rem; align-items: flex-start;
}
.recall-banner-icon { width: 32px; height: 32px; flex-shrink: 0; }
.recall-banner h3 { font-size: 1.1rem; margin: 0 0 .35rem; color: #92400e; }
.recall-banner p { font-size: .92rem; margin: 0 0 .5rem; color: var(--ink); }
.recall-banner a { color: #92400e; font-weight: 700; }

/* ─── Ad slots ─────────────────────────────────────────── */
.ad-slot {
  margin: 2rem auto;
  padding: 1rem;
  background: var(--line-soft);
  border-radius: var(--radius);
  text-align: center;
  position: relative;
  min-height: 90px;
  max-width: var(--max);
}
.ad-slot::before {
  content: "Sponsored";
  position: absolute;
  top: 8px; left: 12px;
  font-size: .7rem;
  font-weight: 600;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.ad-slot ins.adsbygoogle { display: block; min-height: 90px; }

/* ─── Reading progress ─────────────────────────────────────────── */
.reading-progress {
  position: fixed; top: 0; left: 0; height: 3px;
  background: var(--pink-200);
  width: 0%;
  z-index: 200;
  transition: width .05s linear;
}

/* ─── Alpha section variant for indexes ─────────────────────────────────────────── */
.alpha-section { margin-bottom: 2rem; }
.alpha-letter {
  font-family: var(--font-display);
  font-size: 3rem; font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--pink-200);
  margin: 0 0 .5rem;
}
.alpha-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: .5rem; list-style: none; padding: 0; margin: 0; }
.alpha-list li { font-size: .92rem; }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .topbar-nav { display: none; }
  .topbar { padding: .8rem 1rem; }
  .hero { padding: 2.5rem 1.5rem; }
  .hero-meta { gap: 1.25rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; padding: 3rem 1.5rem 2rem; }
  .tire-hero { grid-template-columns: 1fr; }
  .tire-hero-image { max-width: 240px; margin: 0 auto; }
  th, td { padding: .65rem .75rem; font-size: .88rem; }
  .compare-table { font-size: .85rem; }
  .article-shell, main { padding: 1rem 1rem 3rem; }
}