html {
  overflow-y: scroll;
  scrollbar-gutter: stable;
}

body {
  font-family: 'Inter', Arial, sans-serif;
}

:root {
  --page-bg: #090b10;
  --panel-bg: #141821;
  --panel-soft: #1b202b;
  --panel-border: #2b3240;
  --text-main: #f8fafc;
  --text-muted: #a8b3c4;
  --accent: #e11d48;
  --accent-strong: #be123c;
  --accent-soft: #3f111b;
}

.tire-tread-card {
  position: relative;
  overflow: hidden;
  background-color: var(--panel-soft);
  background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.028) 12%, transparent 12%, transparent 38%, rgba(255, 255, 255, 0.022) 38%, rgba(255, 255, 255, 0.022) 50%, transparent 50%), linear-gradient(225deg, rgba(0, 0, 0, 0.16) 12%, transparent 12%, transparent 38%, rgba(0, 0, 0, 0.12) 38%, rgba(0, 0, 0, 0.12) 50%, transparent 50%), radial-gradient(circle at 20% 0%, rgba(225, 29, 72, 0.045), transparent 18rem);
  background-size: 1.45rem 1.45rem, 1.45rem 1.45rem, cover;
  background-position: 0 0, 0.72rem 0, center;
}

.tire-tread-card::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, transparent 0 18%, rgba(255,255,255,0.03) 18% 20%, transparent 20% 48%, rgba(255,255,255,0.026) 48% 52%, transparent 52% 80%, rgba(255,255,255,0.024) 80% 82%, transparent 82% 100%); opacity: 0.42; transition: opacity 160ms ease; }
.tire-tread-card:hover::before { opacity: 0.62; }

.combo-select-wrapper { position: relative; min-height: 2.5rem; }
.combo-select-wrapper > label { position: absolute; top: 50%; left: 0.75rem; z-index: 2; margin: 0; transform: translateY(-50%); pointer-events: none; color: #475569; font-size: 0.875rem; line-height: 1; transition: top 150ms ease, transform 150ms ease, color 150ms ease, font-size 150ms ease; }
.combo-select-wrapper.is-floating > label { top: 0; border-radius: 0.1875rem; padding: 0 0.25rem; transform: translateY(-50%); background: #f1f5f9; color: #475569; font-size: 0.75rem; font-weight: 700; }
.combo-select-wrapper.is-floating:has(.combo-trigger.is-active) > label,
.combo-select-wrapper.is-open > label { background: #ecfdf5; color: #047857; }
.combo-select { position: relative; width: 100%; }
.combo-select-native { display: none; }
.combo-trigger { display: flex; min-height: 2.375rem; width: 100%; align-items: center; justify-content: space-between; gap: 0.75rem; border-radius: 0.375rem; border: 1px solid #cbd5e1; background: #f1f5f9; padding: 0.5rem 0.75rem; text-align: left; font-size: 0.875rem; color: #0f172a; outline: none; transition: border-color 150ms ease, background-color 150ms ease, box-shadow 150ms ease; }
.combo-select-wrapper:not(.is-floating) .combo-trigger .truncate { opacity: 0; }
.combo-trigger:hover, .combo-trigger:focus { border-color: #34d399; background: #ecfdf5; box-shadow: 0 0 0 2px rgba(52, 211, 153, 0.18); }
.combo-trigger.is-active { border-color: #34d399; background: #ecfdf5; color: #0f172a; font-weight: 600; box-shadow: none; }
.combo-trigger-icon { flex: 0 0 auto; color: #0f172a; font-size: 0.75rem; line-height: 1; }
.combo-panel { position: absolute; left: 0; right: 0; top: calc(100% + 0.375rem); z-index: 70; display: none; overflow: hidden; border-radius: 0.5rem; border: 1px solid #cbd5e1; background: #ffffff; box-shadow: 0 1.25rem 2.5rem rgba(15, 23, 42, 0.16); }
.combo-select.is-open .combo-panel { display: block; }
.combo-search { min-height: 2.375rem; width: 100%; border: 0; border-bottom: 1px solid #cbd5e1; background: #ffffff; padding: 0.5rem 0.75rem; font-size: 0.875rem; color: #0f172a; outline: none; }
.combo-options { max-height: min(16rem, 52vh); overflow-y: auto; padding: 0.375rem; }
.combo-option, .combo-empty { width: 100%; border: 0; border-radius: 0.375rem; background: transparent; padding: 0.625rem 0.75rem; text-align: left; font-size: 0.9rem; color: #0f172a; }
.combo-option { cursor: pointer; }
.combo-option:hover, .combo-option.is-selected { background: #ecfdf5; color: #0f172a; }
.combo-empty { color: #334155; }

.site-hero-background {
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 68%, rgba(0, 0, 0, 0.72) 80%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 68%, rgba(0, 0, 0, 0.72) 80%, transparent 100%);
}

.product-sticky-bar {
  opacity: 0;
  pointer-events: none;
  transform: translateY(calc(-100% - 1rem));
  transition: opacity 180ms ease, transform 180ms ease;
}

.product-sticky-bar.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.product-compare-toggle.is-selected {
  border-color: #34d399;
  background: #ecfdf5;
  color: #047857;
}

.product-compare-toggle {
  gap: 0.5rem;
}

.product-compare-icon-selected {
  display: none;
}

.product-compare-toggle.is-selected .product-compare-icon-add {
  display: none;
}

.product-compare-toggle.is-selected .product-compare-icon-selected {
  display: inline-flex;
}

.comparison-toast {
  opacity: 0;
  pointer-events: none;
  transform: translateY(1rem);
  transition: opacity 180ms ease, transform 180ms ease;
}

.comparison-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

img[src$="/assets/icons/car-sparkles.svg"] {
  opacity: 0.9;
  transform: scale(0.55);
}

.product-tab {
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 800;
  color: #64748b;
  transition: color 150ms ease, border-color 150ms ease;
}

.product-tab:hover {
  color: #0f172a;
}

.product-tab[aria-selected="true"] {
  border-color: var(--accent);
  color: #0f172a;
}

.brand-ticker {
  overflow: hidden;
  padding-block: 0.25rem;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}

.brand-ticker-track {
  display: flex;
  width: max-content;
  backface-visibility: hidden;
  will-change: transform;
  animation: brand-ticker-scroll 48s linear infinite;
}

.brand-ticker-group {
  display: flex;
  gap: 0.75rem;
  padding-right: 0.75rem;
}

.brand-ticker-card {
  display: flex;
  height: 4.5rem;
  min-width: 10.5rem;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  background: #ffffff;
  padding: 0.875rem 1.25rem;
  box-shadow: 0 0.25rem 0.75rem rgba(15, 23, 42, 0.08);
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

a.brand-ticker-card:hover,
a.brand-ticker-card:focus-visible {
  border-color: #fb7185;
  box-shadow: 0 0.75rem 1.25rem rgba(15, 23, 42, 0.12);
  transform: translateY(-0.125rem);
}

.brand-ticker-logo {
  display: block;
  max-height: 2.25rem;
  max-width: 100%;
  object-fit: contain;
}

.brand-ticker-wordmark {
  color: #0f172a;
  font-size: 1.125rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
}

.brand-ticker-wordmark--continental { color: #1f2937; font-family: Georgia, serif; font-weight: 700; letter-spacing: -0.08em; }
.brand-ticker-wordmark--hankook { color: #f97316; font-style: italic; letter-spacing: -0.07em; }
.brand-ticker-wordmark--michelin { color: #1d4ed8; font-style: italic; }
.brand-ticker-wordmark--pirelli { color: #dc2626; letter-spacing: -0.08em; }
.brand-ticker-wordmark--bridgestone { color: #111827; font-style: italic; }
.brand-ticker-wordmark--nexen { color: #7c3aed; }
.brand-ticker-wordmark--kumho { color: #2563eb; font-style: italic; }
.brand-ticker-wordmark--nankang { color: #b91c1c; }
.brand-ticker-wordmark--yokohama { color: #dc2626; }
.brand-ticker-wordmark--falken { color: #2563eb; font-style: italic; }

@keyframes brand-ticker-scroll {
  to { transform: translateX(-50%); }
}

.brand-ticker:hover .brand-ticker-track,
.brand-ticker:focus-within .brand-ticker-track {
  animation-play-state: paused;
}

@media (max-width: 639px) {
  .product-tab {
    flex: 1 1 0%;
    padding-inline: 0.5rem;
    text-align: center;
  }

  .brand-ticker-card {
    height: 4rem;
    min-width: 8.75rem;
    padding-inline: 1rem;
  }

  .brand-ticker-wordmark {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .brand-ticker {
    overflow-x: auto;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .brand-ticker-track {
    width: auto;
    animation: none;
  }

  .brand-ticker-group[aria-hidden="true"] {
    display: none;
  }
}