:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface-alt: #eaf0f6;
  --ink: #0b1220;
  --muted: #5a6b7f;
  --line: #d7e1eb;
  --brand: #0f2038;
  --brand-strong: #08121f;
  --accent: #f59e0b;
  --accent-soft: #fff3da;
  --success: #0f766e;
  --error: #b42318;
  --shadow: 0 20px 50px rgba(11, 18, 32, 0.08);
  --radius: 22px;
  --container: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(245, 158, 11, 0.08), transparent 24%),
    linear-gradient(180deg, #fbfcfd 0%, var(--bg) 60%, #eef3f8 100%);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }
.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.narrow { width: min(720px, calc(100% - 32px)); margin: 0 auto; }
.section { padding: 48px 0; }
.section-alt { background: rgba(255,255,255,0.58); border-top: 1px solid rgba(215,225,235,0.8); border-bottom: 1px solid rgba(215,225,235,0.8); }
.page-shell { min-height: calc(100vh - 160px); }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(251,252,253,0.92); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(215,225,235,0.8); }
.nav-wrap, .product-header, .product-meta, .summary-row, .summary-item, .compact-part, .admin-header { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.nav-wrap { min-height: 78px; }
.site-nav { display: flex; align-items: center; gap: 20px; margin-left: auto; }
.site-nav a { color: var(--muted); }
.site-nav a:hover { color: var(--ink); }
.site-nav .nav-primary-link {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(15, 32, 56, 0.08);
  color: var(--brand);
  font-weight: 800;
}
.site-nav .nav-primary-link:hover {
  background: var(--brand);
  color: #fff;
}
.nav-toggle { display: none; border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 10px 14px; }
.cart-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-left: 12px;
  padding: 0;
  border-radius: 999px;
  border: 0;
  background: transparent;
  color: var(--brand);
  transition: transform .18s ease, color .18s ease, background-color .18s ease;
}
.cart-button:hover {
  color: var(--brand-strong);
  background: rgba(15, 32, 56, 0.06);
  transform: translateY(-1px);
}
.cart-badge {
  position: absolute;
  top: -2px;
  right: -4px;
  min-width: 21px;
  height: 21px;
  padding: 0 6px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #1d1400;
  font-size: .78rem;
  font-weight: 800;
  border: 2px solid #fff;
}
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 999px; border: 1px solid transparent; padding: 12px 18px; transition: transform .18s ease, background-color .18s ease, border-color .18s ease; cursor: pointer; font-weight: 600; }
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--brand); color: #fff; }
.button-secondary { background: var(--surface); border-color: var(--line); color: var(--ink); }
.button-small { padding: 9px 14px; font-size: .92rem; }
.button-link { background: transparent; padding: 0; color: var(--muted); }
.button-block { width: 100%; }
.nav-auth-button {
  background: rgba(15, 32, 56, 0.08);
  color: var(--brand);
  border: 1px solid rgba(15, 32, 56, 0.12);
  padding: 11px 17px;
}
.nav-auth-button:hover {
  background: var(--brand);
  color: #fff !important;
  border-color: var(--brand);
}
.hero { padding: 52px 0 36px; }
.hero-grid, .detail-grid, .checkout-grid, .product-detail, .footer-grid, .filter-bar, .card-grid, .card-grid-categories, .trust-grid, .stats-grid, .vehicle-finder-grid { display: grid; gap: 18px; }
.hero-grid { grid-template-columns: 1.35fr .85fr; align-items: center; }
.parts-hero {
  padding: 58px 0 38px;
  background:
    linear-gradient(90deg, rgba(8, 18, 31, .94), rgba(15, 32, 56, .82)),
    url('https://images.unsplash.com/photo-1487754180451-c456f719a1fc?auto=format&fit=crop&w=1800&q=80') center/cover no-repeat;
  color: #fff;
}
.parts-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 26px;
  align-items: center;
}
.parts-hero-copy .lead {
  color: rgba(255,255,255,.84);
}
.parts-hero-search {
  color: #fff;
}
.parts-hero-search input {
  min-height: 52px;
}
.parts-hero-search .context-chip {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.28);
  color: #fff;
}
.parts-search-section {
  padding-top: 32px;
}
.detail-grid { grid-template-columns: repeat(2, 1fr); }
.checkout-grid { grid-template-columns: 1.3fr .7fr; }
.product-detail { grid-template-columns: .95fr 1.05fr; gap: 24px; align-items: start; }
.footer-grid { grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 20px; }
.filter-bar { grid-template-columns: 1.4fr .8fr .9fr 1fr auto; background: rgba(255,255,255,0.92); border: 1px solid var(--line); border-radius: 20px; padding: 16px; margin-bottom: 18px; }
.vehicle-finder-shell { margin-bottom: 18px; }
.vehicle-finder-grid { grid-template-columns: 1fr 1fr 1.35fr auto; align-items: end; }
.vehicle-finder-shell.is-unavailable { opacity: .65; }
.vehicle-finder-status {
  margin: 8px 0 0;
}
.vehicle-finder-shell.is-unavailable .vehicle-finder-status,
.catalog-warning {
  color: #745300;
}
.card-grid { grid-template-columns: repeat(4, 1fr); }
.card-grid-categories, .trust-grid, .stats-grid { grid-template-columns: repeat(3, 1fr); }
.eyebrow { display: inline-block; margin-bottom: 12px; color: var(--accent); text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 700; }
h1, h2, h3 { margin: 0 0 14px; line-height: 1.08; }
h1 { font-size: clamp(1.9rem, 3.5vw, 3.1rem); }
h2 { font-size: clamp(1.3rem, 2vw, 1.8rem); }
.lead { font-size: 1.08rem; line-height: 1.7; max-width: 60ch; color: var(--muted); }
.hero-actions, .trust-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.hero h1 { max-width: none; }
.trust-row span, .context-chip { padding: 10px 14px; border-radius: 999px; background: rgba(255,255,255,0.82); border: 1px solid var(--line); color: var(--muted); }
.panel, .product-card, .category-card { background: rgba(255,255,255,0.92); border: 1px solid rgba(215,225,235,0.9); box-shadow: var(--shadow); border-radius: var(--radius); }
.panel { padding: 24px; }
.glass-panel { background: linear-gradient(180deg, rgba(15,32,56,.95), rgba(8,18,31,.95)); color: #fff; }
.glass-panel p, .glass-panel span { color: rgba(255,255,255,.76); }
.stack-form { display: grid; gap: 16px; }
label span { display: block; margin-bottom: 8px; font-weight: 600; }
input, select, textarea {
  width: 100%;
  border: 1px solid #d3dde8;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  color: var(--ink);
  border-radius: 12px;
  padding: 12px 14px;
  transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: rgba(15, 32, 56, 0.34);
  box-shadow: 0 0 0 4px rgba(15, 32, 56, 0.07);
}
textarea { resize: vertical; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 22px; }
.category-card { padding: 22px; }
.category-card p, .product-card p, .small-muted, .footer-copy, .prose-panel p { color: var(--muted); line-height: 1.65; }
.category-icon, .badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 8px 12px; background: var(--accent-soft); color: #946200; margin-bottom: 14px; font-size: .82rem; font-weight: 700; }
.product-card { overflow: hidden; }
.product-card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; background: var(--surface-alt); }
.product-card-body { padding: 18px; }
.catalog-meta, .filter-chip-row, .detail-meta-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.catalog-meta { margin: -2px 0 10px; }
.catalog-meta span {
  font-size: .83rem;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  background: #f2f6fa;
  border: 1px solid #dce6ef;
}
.fitment-snippet {
  min-height: 52px;
}
.price, .price-block { font-weight: 800; color: var(--brand); }
.price-block { font-size: 2rem; margin: 14px 0; }
.spec-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.spec-list li { display: flex; justify-content: space-between; gap: 18px; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.note-panel { background: var(--surface-alt); border-color: transparent; box-shadow: none; }
.detail-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 14px 0 4px;
}
.detail-meta-grid div {
  padding: 12px 14px;
  border-radius: 16px;
  background: #f4f7fb;
  border: 1px solid #dce6ef;
}
.detail-meta-grid span {
  display: block;
  color: var(--muted);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 6px;
}
.detail-meta-grid strong {
  display: block;
  color: var(--ink);
}
.source-reference {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { border-bottom: 1px solid var(--line); padding: 14px 10px; text-align: left; vertical-align: top; }
.table th { color: var(--muted); font-size: .84rem; text-transform: uppercase; letter-spacing: .06em; }
.table-input { min-width: 76px; }
.order-summary { position: sticky; top: 96px; }
.summary-row, .summary-item { padding: 12px 0; border-bottom: 1px solid var(--line); }
.summary-row-total { font-size: 1.08rem; padding-top: 16px; }
.empty-state, .success-panel { text-align: center; }
.auth-panel {
  text-align: left;
  max-width: 560px;
  margin: 0 auto;
  padding: 30px;
  border-radius: 24px;
}
.auth-panel h1 {
  max-width: none;
  margin-bottom: 10px;
}
.auth-copy {
  margin: 0 0 22px;
  color: var(--muted);
  line-height: 1.65;
}
.auth-panel .stack-form {
  gap: 14px;
}
.auth-panel label span {
  margin-bottom: 6px;
  font-size: .94rem;
}
.auth-panel .button-primary {
  margin-top: 6px;
  min-height: 48px;
}
.auth-footnote {
  margin-top: 18px;
}
.site-footer { padding: 44px 0 64px; border-top: 1px solid rgba(215,225,235,0.9); }
.footer-grid h3 { margin-bottom: 12px; font-size: 1rem; }
.footer-grid a, .footer-grid p { display: block; margin-bottom: 10px; color: var(--muted); }
.flash { margin: 18px auto 0; padding: 14px 18px; border-radius: 16px; border: 1px solid transparent; }
.flash-success { background: #ecfdf3; color: var(--success); border-color: #b7ebd0; }
.flash-error { background: #fff1f3; color: var(--error); border-color: #f6c5cc; }
.search-status {
  margin: 0 0 16px;
  padding: 16px 18px;
  border-radius: 18px;
  background: #eef6ff;
  border: 1px solid #cfe0f2;
  box-shadow: none;
}
.search-status p {
  margin: 0;
  color: #21415d;
}
.search-status-soft {
  background: #fff8e8;
  border-color: #f2dfb0;
}
.search-status-soft p {
  color: #745300;
}
.vehicle-category-strip {
  margin: 10px 0 18px;
}
.vehicle-category-strip > strong {
  display: block;
  margin-bottom: 10px;
}
.result-count {
  margin: 6px 0 18px;
}
.filter-chip-row {
  margin: 8px 0 18px;
  align-items: center;
}
.onboarding-panel {
  text-align: left;
}
.text-link { color: var(--brand); font-weight: 700; }
.compact-part { padding: 12px 0; border-bottom: 1px solid var(--line); }
.info-stack p { margin: 0 0 10px; }
.checkbox-row { display: flex; align-items: center; gap: 12px; }
.checkbox-row input { width: auto; }
.divider { border: 0; border-top: 1px solid var(--line); margin: 22px 0; }
.admin-body { background: #eef4f8; }
.admin-shell { min-height: 100vh; display: grid; grid-template-columns: 280px 1fr; }
.admin-sidebar { background: #0b1220; color: #d7e6f4; padding: 28px 22px; display: grid; gap: 18px; align-content: start; }
.admin-nav { display: grid; gap: 8px; }
.admin-nav a { color: #b7c8da; padding: 10px 12px; border-radius: 12px; }
.admin-nav a:hover { background: rgba(255,255,255,0.08); color: #fff; }
.admin-main { padding: 28px; }
.stat-card strong { font-size: 2rem; }
.inline-form { display: inline; }
.result-grid { margin-top: 24px; }

.otr-hero {
  position: relative;
  color: #fff;
  background-image:
    linear-gradient(90deg, rgba(6, 10, 14, .86) 0%, rgba(6, 10, 14, .58) 46%, rgba(6, 10, 14, .18) 100%),
    var(--hero-image);
  background-position: center;
  background-size: cover;
  padding: 108px 0 86px;
}
.otr-hero-inner {
  max-width: 780px;
}
.otr-kicker {
  display: inline-block;
  margin-bottom: 12px;
  color: #f7b733;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}
.otr-hero h1 {
  max-width: 720px;
  margin-bottom: 12px;
  font-size: 4.8rem;
  line-height: .96;
}
.otr-hero p {
  max-width: 650px;
  margin: 0;
  color: rgba(255,255,255,.9);
  font-size: 1.22rem;
  line-height: 1.65;
}
.otr-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.otr-hero .button-primary,
.otr-help-band .button-primary {
  background: #c7332f;
  color: #fff;
}
.otr-hero .button-secondary,
.otr-help-band .button-secondary {
  background: #fff;
  border-color: #fff;
  color: #111820;
}
.otr-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin: 34px 0 0;
  padding: 0;
}
.otr-hero-stats div {
  min-width: 120px;
  border-left: 3px solid #f7b733;
  padding-left: 14px;
}
.otr-hero-stats dt {
  font-size: 2rem;
  font-weight: 800;
}
.otr-hero-stats dd {
  margin: 0;
  color: rgba(255,255,255,.78);
}
.otr-section {
  padding: 62px 0;
  background: #fff;
}
.otr-section-heading {
  margin: 0 auto 28px;
  max-width: 720px;
  text-align: center;
}
.otr-section-heading h2,
.otr-why-copy h2,
.otr-catalog-grid h2,
.otr-help-band h2 {
  font-size: 2.25rem;
}
.otr-service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.otr-service-card {
  position: relative;
  min-height: 310px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 22px;
  overflow: hidden;
  padding: 28px;
  border-radius: 4px;
  color: #fff;
  background: #101820;
}
.otr-service-card::before,
.otr-service-card::after {
  position: absolute;
  inset: 0;
  content: "";
}
.otr-service-card::before {
  background-image: var(--card-image);
  background-position: center;
  background-size: cover;
  transition: transform .28s ease;
}
.otr-service-card::after {
  background: linear-gradient(180deg, rgba(4,8,12,.14), rgba(4,8,12,.82));
}
.otr-service-card:hover::before {
  transform: scale(1.05);
}
.otr-service-card > * {
  position: relative;
  z-index: 1;
}
.otr-service-card h3 {
  margin-bottom: 10px;
  font-size: 1.55rem;
}
.otr-service-card p {
  margin: 0;
  color: rgba(255,255,255,.84);
  line-height: 1.55;
}
.otr-service-card a {
  align-self: flex-start;
  padding: 10px 15px;
  border: 1px solid rgba(255,255,255,.78);
  color: #fff;
  font-weight: 800;
}
.otr-why {
  padding: 68px 0;
  background: #edf2f5;
}
.otr-why-grid,
.otr-catalog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  align-items: center;
}
.otr-why-copy p,
.otr-catalog-grid p,
.otr-help-band p {
  color: var(--muted);
  line-height: 1.7;
}
.otr-why-photo {
  min-height: 440px;
  border-radius: 4px;
  background-image: var(--why-image);
  background-position: center;
  background-size: cover;
  box-shadow: 0 22px 60px rgba(11, 18, 32, .14);
}
.otr-category-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.otr-category-list a {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 18px;
  border-left: 4px solid #c7332f;
  background: #f7f9fb;
  color: var(--ink);
}
.otr-category-list span {
  color: var(--muted);
  white-space: nowrap;
}
.otr-help-band {
  padding: 68px 0;
  background: #101820;
  color: #fff;
  text-align: center;
}
.otr-help-band p {
  max-width: 680px;
  margin: 0 auto;
  color: rgba(255,255,255,.78);
}
.otr-help-band .otr-hero-actions {
  justify-content: center;
}
.otr-brand-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
}
.otr-brand-row a {
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,.22);
  color: rgba(255,255,255,.82);
}
.tire-catalog-hero {
  padding: 38px 0 30px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.tire-catalog-title {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-end;
}
.tire-catalog-title .lead {
  margin-bottom: 0;
}
.tire-search-section {
  padding-top: 28px;
  padding-bottom: 22px;
}
.tire-filter-panel {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 14px;
  padding: 18px;
  border-radius: 8px;
  background: rgba(255,255,255,.94);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  align-items: end;
}
.tire-filter-search {
  grid-column: span 2;
}
.tire-filter-panel .button {
  min-height: 48px;
}
.tire-result-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
}
.tire-results-section {
  padding-top: 18px;
}
.tire-result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.tire-product-card {
  display: grid;
  grid-template-columns: 190px 1fr;
  overflow: hidden;
  border: 1px solid rgba(215,225,235,.95);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 44px rgba(11,18,32,.07);
}
.tire-product-image {
  display: grid;
  place-items: center;
  min-height: 210px;
  background: #f5f7fa;
  border-right: 1px solid var(--line);
}
.tire-product-image img {
  width: 100%;
  height: 190px;
  object-fit: contain;
  padding: 18px;
}
.tire-product-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
}
.tire-product-header,
.tire-product-actions,
.tire-spec-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
}
.tire-product-header,
.tire-product-actions {
  justify-content: space-between;
}
.inline-cart-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
}
.inline-cart-form label {
  max-width: 120px;
}
.inline-cart-form input {
  min-height: 47px;
}
.tire-product-body h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.28;
}
.tire-product-body p {
  flex: 1;
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}
.tire-spec-row a,
.tire-spec-row span {
  padding: 6px 9px;
  border-radius: 999px;
  background: #f2f5f8;
  color: #405166;
  font-size: .88rem;
  font-weight: 700;
}
.brand-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.brand-strip a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-weight: 700;
}
.brand-strip span {
  color: var(--muted);
  font-weight: 600;
}
.pagination,
.breadcrumb-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.pagination {
  justify-content: center;
  margin-top: 24px;
}
.breadcrumb-row {
  margin-bottom: 18px;
  color: var(--muted);
}
.breadcrumb-row a {
  color: var(--brand);
  font-weight: 700;
}
.tire-detail {
  grid-template-columns: .9fr 1.1fr;
}
.tire-image-panel {
  display: grid;
  place-items: center;
  min-height: 440px;
}
.tire-image-panel img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
}
.tire-detail-panel {
  align-self: stretch;
}
.tire-detail-panel .lead {
  margin-top: 0;
}

@media (max-width: 960px) {
  .hero-grid, .parts-hero-grid, .detail-grid, .checkout-grid, .product-detail, .footer-grid, .admin-shell, .filter-bar, .card-grid, .card-grid-categories, .trust-grid, .stats-grid, .vehicle-finder-grid { grid-template-columns: 1fr; }
  .site-nav { position: absolute; left: 16px; right: 16px; top: 78px; display: none; flex-direction: column; align-items: stretch; padding: 18px; background: rgba(255,255,255,.98); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); }
  .site-nav.is-open { display: flex; }
  .nav-toggle { display: inline-flex; }
  .cart-button { margin-left: 0; }
  .detail-meta-grid { grid-template-columns: 1fr; }
  .otr-why-grid,
  .otr-catalog-grid,
  .tire-detail {
    grid-template-columns: 1fr;
  }
  .otr-service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .tire-filter-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .tire-catalog-title {
    align-items: flex-start;
    flex-direction: column;
  }
  .tire-filter-search {
    grid-column: span 2;
  }
  .tire-image-panel {
    min-height: 280px;
  }
}

@media (max-width: 720px) {
  .otr-hero {
    padding: 76px 0 62px;
    background-position: center;
  }
  .otr-hero h1 {
    font-size: 3rem;
  }
  .otr-hero p {
    font-size: 1.05rem;
  }
  .otr-section-heading h2,
  .otr-why-copy h2,
  .otr-catalog-grid h2,
  .otr-help-band h2 {
    font-size: 1.65rem;
  }
  .otr-service-grid,
  .otr-category-list,
  .tire-filter-panel,
  .tire-result-grid {
    grid-template-columns: 1fr;
  }
  .tire-filter-search {
    grid-column: auto;
  }
  .tire-product-card {
    grid-template-columns: 1fr;
  }
  .tire-product-image {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}
