/*
 * Air Filter Lookup design system.
 * Mobile-first; one stylesheet for every generated page.
 */

:root {
  --ink: #0f1d1b;
  --text: #23312e;
  --muted: #5b6a66;
  --line: #e1e8e5;
  --line-strong: #cbd8d3;
  --bg: #f4f7f6;
  --surface: #ffffff;
  --surface-alt: #eef5f2;
  --brand: #0b4a43;
  --brand-700: #0d5c53;
  --brand-600: #0f6b60;
  --brand-500: #138171;
  --brand-100: #d5ece6;
  --brand-50: #e9f5f1;
  --accent: #ffc94d;
  --accent-600: #f4b324;
  --accent-ink: #2a1c00;
  --accent-50: #fff7e2;
  --alt-50: #f3f0fb;
  --alt-700: #574a8a;
  --danger: #9d2f25;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(15, 29, 27, 0.06);
  --shadow: 0 1px 2px rgba(15, 29, 27, 0.05), 0 8px 20px -10px rgba(15, 29, 27, 0.18);
  --shadow-lg: 0 2px 4px rgba(15, 29, 27, 0.04), 0 22px 44px -18px rgba(15, 29, 27, 0.32);
  --container: 1160px;
  --gutter: 18px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------- Base ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 16px;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body:has(.sticky-cta:not([hidden])) {
  padding-bottom: 84px;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--brand-600);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--brand);
}

h1,
h2,
h3,
h4 {
  color: var(--ink);
  line-height: 1.18;
  margin: 0 0 0.5em;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(1.85rem, 1.25rem + 2.4vw, 2.7rem);
  font-weight: 800;
  letter-spacing: -0.025em;
}

h2 {
  font-size: clamp(1.3rem, 1.1rem + 0.8vw, 1.6rem);
  font-weight: 760;
}

h3 {
  font-size: 1.08rem;
  font-weight: 720;
}

p {
  margin: 0 0 0.85em;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  font-weight: 650;
  color: var(--ink);
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.08em 0.4em;
  white-space: nowrap;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

button,
input {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible {
  outline: 3px solid var(--accent-600);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: #fff;
  font-weight: 700;
}

.skip-link:focus {
  top: 12px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--brand-500);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.lede {
  color: var(--text);
  font-size: clamp(1.03rem, 0.98rem + 0.3vw, 1.17rem);
  line-height: 1.55;
  max-width: 62ch;
}

.section-sub {
  color: var(--muted);
  max-width: 72ch;
}

.muted-note {
  color: var(--muted);
  font-size: 0.86rem;
}

.text-link {
  font-weight: 700;
}

.text-link::after {
  content: " \2192";
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--brand);
  color: #fff;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

.button-link:hover {
  background: var(--brand-700);
  color: #fff;
}

.role-chip {
  display: inline-block;
  justify-self: start;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--brand-50);
  color: var(--brand-700);
  font-size: 0.74rem;
  font-weight: 750;
  line-height: 1.4;
}

.role-chip--alt {
  background: var(--alt-50);
  color: var(--alt-700);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

.chip-list a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 7px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.chip-list a:hover {
  border-color: var(--brand-500);
  background: var(--brand-50);
  color: var(--brand);
}

/* ---------- Header ---------- */

.site-header {
  position: relative;
  z-index: 20;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 8px var(--gutter);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  margin-right: auto;
}

.brand-mark img {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
}

.brand-mark span {
  display: grid;
  line-height: 1.15;
}

.brand-mark strong {
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.brand-mark small {
  color: var(--muted);
  font-size: 0.76rem;
}

.header-search {
  order: 3;
  display: flex;
  flex: 1 1 100%;
  min-width: 0;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--bg);
  overflow: hidden;
}

.header-search:focus-within {
  border-color: var(--brand-500);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--brand-100);
}

.header-search input {
  flex: 1;
  min-width: 0;
  min-height: 38px;
  padding: 8px 4px 8px 16px;
  border: 0;
  background: transparent;
  color: var(--ink);
  outline: none;
}

.header-search button {
  display: grid;
  place-items: center;
  width: 46px;
  border: 0;
  background: transparent;
  color: var(--brand-600);
  cursor: pointer;
}

.site-header nav[aria-label="Primary"] {
  display: flex;
  align-items: center;
  gap: 4px;
}

.brand-menu {
  position: relative;
}

.brand-menu summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.brand-menu summary::-webkit-details-marker {
  display: none;
}

.brand-menu summary::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translate(-2px, -2px);
}

.brand-menu[open] summary,
.brand-menu summary:hover {
  background: var(--surface-alt);
}

.brand-menu[open] summary::after {
  transform: rotate(225deg) translate(-2px, -2px);
}

.brand-menu-links {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  display: grid;
  min-width: 210px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}

.brand-menu-links a,
.nav-utility a {
  display: block;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-weight: 650;
  text-decoration: none;
}

.brand-menu-links a:hover,
.brand-menu-links a[aria-current="page"],
.nav-utility a:hover,
.nav-utility a[aria-current="page"] {
  background: var(--brand-50);
  color: var(--brand);
}

.nav-utility {
  display: none;
}

/* ---------- Layout ---------- */

main {
  display: block;
  flex: 1 0 auto;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter) 48px;
}

.inline-search + .chip-list {
  margin-top: 14px;
}

.section,
.page-heading {
  margin-top: 28px;
}

.section {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.page-heading {
  padding: 8px 0 0;
}

.page-heading.narrow,
.prose {
  max-width: 760px;
}

.prose h2 {
  margin-top: 1.6em;
  font-size: 1.25rem;
}

.section-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px 18px;
  margin-bottom: 14px;
}

.section-heading h2 {
  margin: 0;
}

.breadcrumb {
  margin-top: 16px;
  font-size: 0.86rem;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  list-style: none;
  color: var(--muted);
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 4px;
  color: var(--line-strong);
}

.breadcrumb a {
  color: var(--muted);
}

.breadcrumb [aria-current="page"] {
  color: var(--ink);
  font-weight: 650;
}

/* ---------- Home hero & search ---------- */

.home-hero {
  margin: 20px calc(var(--gutter) * -1) 0;
  padding: 34px var(--gutter) 28px;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(255, 201, 77, 0.2) 0%, rgba(255, 201, 77, 0) 46%),
    linear-gradient(160deg, #0b4a43 0%, #0d5c53 52%, #0f6b60 100%);
  color: #e8f4f1;
}

.home-hero h1 {
  color: #fff;
  max-width: 20ch;
}

.home-hero .eyebrow {
  color: var(--accent);
}

.home-hero .lede {
  color: #d4ebe5;
}

.home-hero .search-panel {
  margin-top: 22px;
}

.search-disclosure {
  margin: 10px 2px 0;
  font-size: 0.8rem;
  opacity: 0.85;
}

.popular-searches {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-top: 16px;
}

.popular-searches > span {
  font-size: 0.86rem;
  font-weight: 700;
}

.popular-searches ul {
  display: flex;
  flex: 1 1 100%;
  gap: 8px;
  min-width: 0;
  padding-bottom: 4px;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: none;
}

.popular-searches ul::-webkit-scrollbar {
  display: none;
}

.popular-searches a {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 0.86rem;
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
}

@media (min-width: 900px) {
  .popular-searches ul {
    flex: 0 1 auto;
    flex-wrap: wrap;
    padding: 0;
    overflow: visible;
  }
}

.popular-searches a:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 20px;
  list-style: none;
  font-size: 0.9rem;
}

.trust-row li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.trust-row strong {
  font-size: 1.15rem;
  font-weight: 800;
}

.home-hero .trust-row strong {
  color: #fff;
}

.search-panel {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-lg);
}

.search-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.search-head h2 {
  margin: 0;
  font-size: 1.05rem;
}

.count {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
}

.lookup-form,
.inline-search {
  position: relative;
  display: flex;
  gap: 8px;
}

.lookup-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  color: var(--muted);
  transform: translateY(-50%);
  pointer-events: none;
}

.lookup-form input,
.inline-search input {
  flex: 1;
  min-width: 0;
  min-height: 54px;
  padding: 12px 14px 12px 46px;
  border: 2px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 600;
  outline: none;
}

.inline-search input {
  padding-left: 16px;
}

.lookup-form input:focus,
.inline-search input:focus {
  border-color: var(--brand-500);
  box-shadow: 0 0 0 4px var(--brand-100);
}

.lookup-submit {
  flex: 0 0 auto;
  min-height: 54px;
  padding: 0 20px;
  border: 0;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
  cursor: pointer;
}

.lookup-submit:hover {
  background: var(--accent-600);
}

.search-help {
  margin: 8px 2px 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.search-prompt {
  margin: 12px 0 0;
  padding: 11px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--muted);
  font-size: 0.9rem;
}

[data-search-index] {
  display: none;
}

.search-result-grid {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.search-result-card {
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.search-result-card:hover {
  border-color: var(--brand-100);
  box-shadow: var(--shadow);
}

.search-result-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
}

.search-result-brand {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.search-result-role {
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--brand-50);
  color: var(--brand-700);
  font-size: 0.72rem;
  font-weight: 750;
}

.search-result-role--alt {
  background: var(--alt-50);
  color: var(--alt-700);
}

.search-result-card h3 {
  margin: 0;
  font-size: 1.12rem;
}

.search-result-primary {
  color: var(--ink);
  text-decoration: none;
}

.search-result-primary:hover {
  color: var(--brand-600);
  text-decoration: underline;
}

.search-result-part {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  color: var(--text);
  font-size: 0.94rem;
}

.search-result-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-top: 4px;
}

.search-result-actions a {
  white-space: nowrap;
}

.search-result-price {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
  text-decoration: none;
}

.search-result-price:hover {
  background: var(--accent-600);
  color: var(--accent-ink);
}

.search-result-secondary {
  font-size: 0.9rem;
  font-weight: 700;
}

.search-result-disclosure {
  color: var(--muted);
  font-size: 0.76rem;
}

/* ---------- Home sections ---------- */

.brand-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.brand-card {
  position: relative;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.brand-card:hover {
  border-color: var(--brand-500);
  background: var(--surface);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.brand-card h3 {
  margin: 0 0 2px;
  font-size: 1.1rem;
}

.brand-card a {
  color: var(--ink);
  text-decoration: none;
}

.brand-card a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.brand-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.lookup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}

.lookup-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.lookup-card:hover {
  border-color: var(--brand-500);
  box-shadow: var(--shadow);
}

.lookup-kind {
  color: var(--brand-500);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lookup-card h3 {
  margin: 0;
  font-size: 1rem;
}

.lookup-card h3 a {
  color: var(--ink);
  text-decoration: none;
}

.lookup-card h3 a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.lookup-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.step-grid {
  display: grid;
  gap: 12px;
  margin-top: 6px;
  list-style: none;
  counter-reset: step;
}

.step-grid li {
  position: relative;
  padding: 16px 16px 14px 60px;
  border-radius: var(--radius);
  background: var(--bg);
  counter-increment: step;
}

.step-grid li::before {
  content: counter(step);
  position: absolute;
  left: 16px;
  top: 15px;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
}

.step-grid h3 {
  margin-bottom: 4px;
}

.step-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.trust-section {
  display: grid;
  gap: 18px;
}

.trust-copy p:last-child {
  margin-bottom: 0;
}

.download-section {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-alt);
}

.download-section h2 {
  font-size: 1.12rem;
}

.download-section p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.download-section .button-link {
  justify-self: start;
}

main > .download-section {
  margin-top: 28px;
}

/* ---------- Brand hub ---------- */

.hub-hero {
  display: grid;
  gap: 20px;
  margin-top: 12px;
}

.hub-hero .trust-row {
  color: var(--muted);
}

.hub-hero .trust-row strong {
  color: var(--ink);
}

.hub-hero .search-panel {
  border: 1px solid var(--line);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.filter-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.filter-card:hover {
  border-color: var(--brand-500);
  box-shadow: var(--shadow);
}

.filter-card h3 {
  margin: 2px 0 0;
  font-size: 1rem;
}

.filter-card h3 a {
  color: var(--ink);
  text-decoration: none;
}

.filter-card h3 a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.filter-card-part,
.filter-card-fits {
  margin: 0;
  font-size: 0.88rem;
}

.filter-card-fits {
  color: var(--muted);
}

.model-index {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 6px 12px;
  list-style: none;
}

.model-index a {
  display: grid;
  gap: 1px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--ink);
  text-decoration: none;
}

.model-index a:hover {
  background: var(--brand-50);
}

.model-index strong {
  font-size: 0.95rem;
}

.model-index span {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.82rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- Part index ---------- */

.parts-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 4px 14px;
  list-style: none;
}

.parts-list li {
  display: grid;
  gap: 2px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
}

.parts-list li:hover {
  background: var(--brand-50);
}

.parts-list a {
  display: grid;
  gap: 2px;
  color: var(--ink);
  font-weight: 650;
  text-decoration: none;
}

.parts-list code {
  justify-self: start;
}

.parts-list a:hover span {
  text-decoration: underline;
}

.parts-list small {
  color: var(--muted);
}

/* ---------- Product hero & buy box ---------- */

.product-hero {
  display: grid;
  gap: 18px;
  margin-top: 10px;
}

.product-hero-copy h1 {
  margin-bottom: 12px;
}

.product-hero-copy .lede strong {
  color: var(--ink);
}

.alias-note {
  color: var(--muted);
  font-size: 0.88rem;
}

.alias-note span {
  color: var(--text);
  font-weight: 650;
}

.source-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0 0;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--brand-50);
  color: var(--brand-700);
  font-size: 0.84rem;
  font-weight: 650;
}

.source-badge svg {
  flex: 0 0 auto;
}

.jump-nav {
  display: none;
  margin-top: 22px;
  font-size: 0.88rem;
}

.jump-nav > span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.jump-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
}

.jump-nav a {
  display: inline-block;
  padding: 5px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
}

.jump-nav a:hover {
  border-color: var(--brand-500);
  color: var(--brand);
}

@media (min-width: 900px) {
  .jump-nav {
    display: block;
  }
}

.buy-box {
  align-self: start;
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.buy-box-heading {
  margin: 0;
  padding: 14px 18px 0;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.answer-card {
  display: grid;
  gap: 10px;
  padding: 14px 18px 18px;
}

.answer-card + .answer-card {
  border-top: 1px solid var(--line);
}

.answer-card-title {
  margin: 0;
  font-size: 1.32rem;
  line-height: 1.25;
}

.answer-card-title code {
  font-size: 0.82em;
}

.fact-list {
  display: grid;
  gap: 6px;
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 0.88rem;
}

.fact-list div {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 10px;
}

.fact-list dt {
  color: var(--muted);
  font-weight: 700;
}

.fact-list dd {
  margin: 0;
  color: var(--text);
}

.price-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid #f3dfa8;
  border-radius: var(--radius);
  background: var(--accent-50);
  color: var(--ink);
  text-decoration: none;
}

.price-summary:hover {
  border-color: var(--accent-600);
  color: var(--ink);
}

.price-summary-thumb {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: #fff;
  overflow: hidden;
}

.price-summary-thumb img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.price-summary-text {
  display: grid;
  min-width: 0;
  line-height: 1.25;
}

.price-summary-label {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.price-summary-amount {
  font-size: 1.45rem;
  font-weight: 850;
  letter-spacing: -0.02em;
}

.price-summary-meta {
  color: var(--brand-600);
  font-size: 0.8rem;
  font-weight: 700;
}

.answer-price-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 12px 18px;
  border-radius: var(--radius);
  background: var(--accent);
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.08);
  color: var(--accent-ink);
  font-size: 1.06rem;
  font-weight: 850;
  text-align: center;
  text-decoration: none;
}

.answer-price-link::after {
  content: "\2197";
  font-weight: 700;
}

.answer-price-link:hover {
  background: var(--accent-600);
  color: var(--accent-ink);
}

.purchase-disclosure {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 0.76rem;
  text-align: center;
}

.answer-card-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 18px;
  margin: 0;
  font-size: 0.9rem;
}

/* ---------- Offers ---------- */

.offer-section-heading,
.offer-family-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px 14px;
}

.offer-section-heading h2,
.offer-family-heading h3 {
  margin: 0;
}

.offer-total,
.offer-count {
  margin: 0;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--brand-50);
  color: var(--brand-700);
  font-size: 0.78rem;
  font-weight: 750;
}

.offer-section > .section-sub {
  margin-top: 8px;
  font-size: 0.88rem;
}

.offer-family + .offer-family {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.offer-family-heading {
  margin-bottom: 10px;
}

.offer-package-reference {
  padding: 9px 12px;
  border-left: 3px solid var(--brand-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--bg);
  font-size: 0.86rem;
}

.offer-grid {
  display: grid;
  gap: 12px;
}

.offer-card {
  position: relative;
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.offer-card:hover {
  border-color: var(--accent-600);
  box-shadow: var(--shadow);
}

.offer-image {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  background: #fff;
  overflow: hidden;
}

.offer-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.offer-card-body {
  display: grid;
  align-content: start;
  gap: 6px;
  min-width: 0;
}

.offer-badge {
  color: #8a5a00;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.offer-card h4 {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 650;
  line-height: 1.35;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.offer-price-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
}

.offer-price {
  margin: 0;
  color: var(--ink);
  font-size: 1.3rem;
  font-weight: 850;
  letter-spacing: -0.02em;
}

.offer-shipping {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 650;
}

.offer-shipping-free {
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--brand-50);
  color: var(--brand-700);
}

.offer-meta {
  display: grid;
  gap: 2px;
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.offer-meta div {
  display: flex;
  gap: 6px;
}

.offer-meta dt {
  font-weight: 700;
}

.offer-meta dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.offer-link {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
}

.offer-link::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
}

.offer-link:hover {
  background: var(--accent-600);
  color: var(--accent-ink);
}

.offer-fetched {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.offer-fallback {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 18px;
  margin-top: 12px;
  padding: 14px 18px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
}

.offer-fallback > div:first-child {
  display: grid;
  gap: 2px;
}

.offer-fallback span {
  color: var(--muted);
  font-size: 0.86rem;
}

.listing-fallback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.listing-fallback-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 16px;
  border: 2px solid var(--ink);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.listing-fallback-link:hover {
  background: var(--ink);
  color: #fff;
}

/* ---------- Model content ---------- */

.also-fits-group + .also-fits-group {
  margin-top: 16px;
}

.also-fits-group h3 {
  font-size: 0.98rem;
}

.also-fits .muted-note {
  margin: 14px 0 0;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
}

th {
  background: var(--bg);
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

tbody tr:last-child td {
  border-bottom: 0;
}

tbody tr:hover {
  background: #fafcfb;
}

td a {
  font-weight: 700;
}

.market-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.market-link:hover {
  background: var(--accent-600);
  color: var(--accent-ink);
}

.table-wrap + .muted-note {
  margin: 10px 0 0;
}

.package-fact-groups {
  display: grid;
  gap: 16px;
}

.package-fact-group h3 {
  font-size: 1rem;
}

.package-facts {
  display: grid;
  gap: 8px;
  list-style: none;
}

.package-facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
}

.package-quantity {
  color: var(--brand-600);
  font-weight: 850;
}

.package-kind {
  margin-left: auto;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 750;
}

.package-kind--washable {
  background: var(--brand-50);
  color: var(--brand-700);
}

.package-facts a {
  flex-basis: 100%;
  font-size: 0.8rem;
}

.guide-grid {
  display: grid;
  gap: 24px;
}

.guide-grid h2 {
  font-size: 1.22rem;
}

.check-list,
.schedule-list {
  display: grid;
  gap: 10px;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--brand-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%230f6b60' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 16px no-repeat;
}

.schedule-list li {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg);
}

.guide-grid .muted-note {
  margin: 12px 0 0;
}

.reminder-section {
  background: linear-gradient(180deg, var(--brand-50) 0%, var(--surface) 100%);
}

.reminder-grid {
  display: grid;
  gap: 12px;
}

.reminder-form {
  display: grid;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.reminder-form h3,
.reminder-form p {
  margin: 0;
}

.reminder-form label {
  font-weight: 750;
}

.reminder-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.reminder-form input[type="date"] {
  flex: 1 1 160px;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
}

.reminder-form button {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 8px 16px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--brand);
  color: #fff;
  font-weight: 750;
  cursor: pointer;
}

.reminder-form button:hover {
  background: var(--brand-700);
}

.reminder-help,
.reminder-privacy {
  color: var(--muted);
  font-size: 0.84rem;
}

.reminder-status {
  min-height: 1.2em;
  font-size: 0.88rem;
  font-weight: 650;
}

.reminder-status[data-reminder-state="success"] {
  color: var(--brand-600);
}

.reminder-status[data-reminder-state="error"] {
  color: var(--danger);
}

.reminder-privacy {
  margin: 14px 0 0;
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item:last-child {
  border-bottom: 0;
}

.faq-item summary {
  position: relative;
  padding: 14px 32px 14px 0;
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 10px;
  color: var(--brand-600);
  font-size: 1.35rem;
  font-weight: 500;
}

.faq-item[open] summary::after {
  content: "\2212";
}

.faq-item p {
  margin: 0 0 14px;
  color: var(--text);
}

.evidence-section {
  background: var(--bg);
  box-shadow: none;
}

.evidence-grid {
  display: grid;
  gap: 12px;
}

.evidence-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 0.9rem;
}

.evidence-card h3 {
  font-size: 1rem;
}

.evidence-card dl {
  display: grid;
  gap: 8px;
  margin: 10px 0 0;
}

.evidence-card dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.evidence-card dd {
  margin: 2px 0 0;
  overflow-wrap: anywhere;
}

.source-panel {
  background: var(--bg);
  box-shadow: none;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.related-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.related-card:hover {
  border-color: var(--brand-500);
  box-shadow: var(--shadow);
}

.related-card h3 {
  margin: 0;
  font-size: 1rem;
}

.related-card h3 a {
  color: var(--ink);
  text-decoration: none;
}

.related-card h3 a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.related-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

/* ---------- Sticky CTA ---------- */

.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2px 12px;
  padding: 10px max(var(--gutter), env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) max(var(--gutter), env(safe-area-inset-left));
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--brand);
  box-shadow: 0 -8px 24px -12px rgba(0, 0, 0, 0.45);
  color: #fff;
  animation: sticky-in 0.18s ease-out;
}

@keyframes sticky-in {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.sticky-cta-label {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  font-weight: 750;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sticky-cta-label span {
  color: #a8dccf;
  font-weight: 650;
}

.sticky-cta-label code {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.sticky-cta-link {
  grid-row: span 2;
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 850;
  text-decoration: none;
  white-space: nowrap;
}

.sticky-cta-link:hover {
  background: var(--accent-600);
  color: var(--accent-ink);
}

.sticky-cta-disclosure {
  color: #b9d9d1;
  font-size: 0.72rem;
}

@media (max-width: 479px) {
  .sticky-cta-label span {
    display: none;
  }

  .sticky-cta-label {
    font-size: 0.92rem;
  }

  .sticky-cta-link {
    padding: 10px 14px;
  }
}

/* ---------- Footer ---------- */

.site-footer {
  margin-top: 40px;
  background: var(--ink);
  color: #c4d2ce;
  font-size: 0.9rem;
}

.footer-inner {
  display: grid;
  gap: 24px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 36px var(--gutter) 20px;
}

.footer-name,
.footer-heading {
  margin: 0 0 8px;
  color: #fff;
  font-weight: 800;
}

.footer-heading {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-about p:last-child {
  max-width: 42ch;
}

.footer-nav ul {
  display: grid;
  gap: 6px;
  list-style: none;
}

.site-footer a {
  color: #e6efec;
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-legal {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px var(--gutter) 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #93a7a1;
  font-size: 0.8rem;
}

/* ---------- Breakpoints ---------- */

@media (min-width: 640px) {
  :root {
    --gutter: 24px;
  }

  .brand-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .step-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .step-grid li {
    padding: 58px 16px 16px;
  }

  .step-grid li::before {
    top: 16px;
  }

  .offer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .offer-card {
    grid-template-columns: 1fr;
  }

  .offer-image {
    aspect-ratio: 4 / 3;
  }

  .evidence-grid,
  .reminder-grid,
  .guide-grid,
  .package-fact-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .sticky-cta {
    grid-template-columns: auto 1fr auto;
  }

  .sticky-cta-label {
    max-width: 52vw;
  }

  .sticky-cta-disclosure {
    justify-self: end;
  }

  .sticky-cta-link {
    grid-row: auto;
    grid-column: 3;
  }
}

@media (min-width: 900px) {
  .header-search {
    order: 0;
    flex: 0 1 380px;
    margin-right: auto;
  }

  .brand-mark {
    margin-right: 8px;
  }

  .nav-utility {
    display: flex;
    gap: 2px;
  }

  .nav-utility a {
    padding: 8px 10px;
    font-size: 0.94rem;
  }

  .home-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    grid-template-areas:
      "copy search"
      "copy disclosure"
      "chips chips"
      "trust trust";
    column-gap: 40px;
    margin: 24px 0 0;
    padding: 46px 44px 34px;
    border-radius: 24px;
  }

  .home-hero-copy {
    grid-area: copy;
    align-self: start;
  }

  .home-hero .search-panel {
    grid-area: search;
    margin-top: 0;
  }

  .home-hero .search-disclosure {
    grid-area: disclosure;
  }

  .home-hero .popular-searches {
    grid-area: chips;
    margin-top: 26px;
  }

  .home-hero .trust-row {
    grid-area: trust;
  }

  .hub-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    column-gap: 36px;
  }

  .hub-hero-copy {
    padding-top: 12px;
  }

  .product-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
    align-items: start;
    column-gap: 40px;
    margin-top: 14px;
  }

  .product-hero-copy {
    padding-top: 10px;
  }

  .section {
    padding: 28px;
  }

  .trust-section {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
    gap: 28px;
  }

  .evidence-grid,
  .offer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sticky-cta {
    display: none !important;
  }

  body:has(.sticky-cta:not([hidden])) {
    padding-bottom: 0;
  }
}

@media (max-width: 639px) {
  .lookup-submit {
    display: none;
  }

  .brand-mark small {
    display: none;
  }

  .breadcrumb {
    margin-top: 10px;
    font-size: 0.8rem;
  }

  .product-hero {
    gap: 14px;
    margin-top: 6px;
  }

  .product-hero .eyebrow {
    display: none;
  }

  .product-hero-copy h1 {
    margin-bottom: 8px;
    font-size: 1.62rem;
  }

  .product-hero-copy .lede {
    margin-bottom: 8px;
    font-size: 1rem;
  }

  .alias-note {
    margin-bottom: 8px;
    font-size: 0.82rem;
  }

  .source-badge {
    padding: 5px 10px;
    font-size: 0.78rem;
  }

  .buy-box-heading {
    padding-top: 12px;
    font-size: 0.68rem;
  }

  .answer-card {
    gap: 8px;
  }

  .answer-card-title {
    font-size: 1.18rem;
  }

  .price-summary {
    padding: 8px 10px;
  }

  .price-summary-thumb,
  .price-summary-thumb img {
    width: 48px;
    height: 48px;
  }

  .section {
    padding: 18px;
  }

  .answer-card {
    padding: 12px 16px 16px;
  }

  .fact-list div {
    grid-template-columns: 72px 1fr;
  }

  .parts-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
  }

  .parts-table,
  .parts-table tbody,
  .parts-table tr,
  .parts-table td {
    display: block;
  }

  .parts-table tr {
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
  }

  .parts-table tr:last-child {
    border-bottom: 0;
  }

  .parts-table td {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 8px;
    padding: 4px 0;
    border: 0;
  }

  .parts-table td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 750;
  }

  .parts-table td[data-label="Price"] {
    display: block;
    padding-top: 8px;
  }

  .parts-table td[data-label="Price"]::before {
    content: none;
  }

  .parts-table .market-link {
    width: 100%;
    justify-content: center;
  }

  .offer-fallback {
    flex-direction: column;
    align-items: stretch;
  }

  .listing-fallback-link {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}