:root {
  color-scheme: light;
  --ink: #142d25;
  --ink-deep: #10261f;
  --text: #20372e;
  --muted: #4d6258;
  --lime: #e4f591;
  --paper: #f8f8f1;
  --pale: #edf0e5;
  --line: #d9e0d3;
  --white: #fff;
  --sans: "DM Sans", "Helvetica Neue", Arial, sans-serif;
  --wrap: 1248px;
  --gutter: clamp(20px, 4.6vw, 76px);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--paper); scroll-behavior: smooth; }
body { margin: 0; color: var(--text); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
img { display: block; max-width: 100%; }
button, summary { cursor: pointer; }
:focus-visible { outline: 3px solid #55813b; outline-offset: 5px; }
:focus:not(:focus-visible) { outline: none; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { color: var(--ink); line-height: 1.08; letter-spacing: -.04em; }
h1 { font-weight: 720; }
h2 { font-size: clamp(32px, 4.2vw, 58px); font-weight: 690; }
h3 { font-size: 23px; font-weight: 690; }
p + p { margin-top: 1rem; }
.wrap { width: min(var(--wrap), calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.section { padding-block: clamp(58px, 7vw, 112px); }
.section-copy { max-width: 630px; color: var(--muted); margin-top: 14px; font-size: clamp(16px, 1.5vw, 19px); }
.lead { color: var(--muted); max-width: 700px; font-size: clamp(17px, 1.7vw, 22px); line-height: 1.55; }
.eyebrow { margin-bottom: 16px; color: #3d5d4e; text-transform: uppercase; letter-spacing: .16em; font-size: 11px; font-weight: 760; }
.eyebrow-light { color: #deebd7; }
.accent-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; background: var(--lime); }
.arrow { display: inline-block; font-size: 18px; line-height: 1; transition: transform .18s ease; }
a:hover > .arrow, button:hover > .arrow { transform: translate(2px, -2px); }

.skip-link { position: fixed; top: 10px; left: 10px; z-index: 10; padding: 10px 16px; transform: translateY(-160%); background: var(--lime); color: var(--ink); font-weight: 700; }
.skip-link:focus { transform: translateY(0); }
.site-header { position: relative; z-index: 5; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-row { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 26px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 39px; flex: 0 0 36px; border-radius: 11px 11px 18px 18px; background: var(--ink); }
.brand-mark i { width: 13px; height: 13px; border-radius: 1px 9px 9px 9px; background: var(--lime); transform: rotate(45deg); margin-top: 2px; }
.brand-name { display: grid; line-height: 1; }
.brand-name strong { font-size: 25px; font-weight: 770; letter-spacing: -.055em; }
.brand-name span { margin-top: 5px; text-transform: uppercase; letter-spacing: .24em; font-size: 9px; font-weight: 760; }
.desktop-nav { display: flex; align-items: center; gap: clamp(22px, 3.3vw, 55px); }
.desktop-nav a, .mobile-menu nav a { font-size: 14px; font-weight: 650; }
.desktop-nav a { padding: 8px 0; }
.desktop-nav a:hover, .desktop-nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: 6px; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.mobile-menu { display: none; }
.mobile-menu summary { width: 44px; height: 44px; display: grid; place-items: center; list-style: none; border: 1px solid var(--line); border-radius: 9px; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.menu-icon, .menu-icon::before, .menu-icon::after { width: 18px; height: 2px; background: var(--ink); border-radius: 2px; }
.menu-icon { position: relative; }
.menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; }
.menu-icon::before { top: -6px; }
.menu-icon::after { top: 6px; }
.mobile-menu nav { display: grid; position: absolute; top: calc(100% - 1px); inset-inline: 0; padding: 14px var(--gutter) 20px; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: 0 12px 22px #10261f12; }
.mobile-menu nav a { padding-block: 11px; border-bottom: 1px solid var(--line); }

.button-row { display: flex; align-items: center; flex-wrap: wrap; gap: 13px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 13px; padding: 13px 18px; min-height: 49px; border: 1px solid transparent; border-radius: 7px; font-weight: 720; font-size: 14px; line-height: 1.2; transition: background-color .18s ease, border-color .18s ease; }
.button-primary { color: var(--ink); background: var(--lime); }
.button-primary:hover { background: #f2ffc0; }
.button-dark { color: var(--white); background: var(--ink); }
.button-dark:hover { background: #295141; }
.button-ghost { color: var(--white); border-color: #93a799; }
.button-ghost:hover { background: #ffffff13; border-color: var(--white); }
.button:disabled { opacity: .58; cursor: default; }
.site-header .button { min-height: 43px; padding: 10px 14px; }
.text-link { display: inline-flex; gap: 7px; align-items: center; color: var(--ink); font-weight: 720; text-decoration: underline; text-decoration-color: #8ca393; text-underline-offset: 5px; }
.text-link:hover { text-decoration-color: currentColor; }

.hero { min-height: clamp(520px, 41vw, 650px); display: grid; grid-template-columns: 1fr 1.03fr; background: var(--ink); color: var(--white); }
.hero-content { isolation: isolate; position: relative; overflow: hidden; padding: clamp(60px, 7vw, 110px) clamp(32px, 5vw, 82px) clamp(64px, 7.5vw, 110px) max(var(--gutter), calc((100vw - var(--wrap)) / 2)); align-self: stretch; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.hero-content::before, .hero-content::after { content: ""; position: absolute; z-index: -1; border: 1px solid #e8f9a81a; width: 600px; height: 260px; border-radius: 50%; right: -340px; bottom: -146px; transform: rotate(-28deg); }
.hero-content::after { width: 620px; height: 284px; right: -328px; bottom: -151px; }
.hero h1 { color: var(--white); font-size: clamp(55px, 5.9vw, 101px); letter-spacing: -.077em; line-height: .98; }
.hero h1 em { color: var(--lime); font-style: normal; }
.hero-content > p:not(.eyebrow) { color: #dce7df; margin: 25px 0 29px; max-width: 470px; font-size: clamp(16px, 1.55vw, 21px); line-height: 1.52; }
.hero-photo { position: relative; overflow: hidden; min-height: 100%; background: #d6c6ac; }
.hero-photo > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 56% 50%; }
.hero-warranty { position: absolute; display: flex; align-items: center; gap: 12px; right: clamp(18px, 3.5vw, 58px); bottom: clamp(18px, 3.5vw, 48px); padding: 12px 15px; border-radius: 9px; background: #f8f8f1f5; color: var(--ink); box-shadow: 0 4px 26px #10261f29; }
.hero-warranty:hover { background: var(--white); }
.badge-mark { width: 34px; height: 34px; flex: 0 0 34px; display: grid; place-items: center; border-radius: 50%; background: var(--lime); font-size: 17px; font-weight: 760; }
.hero-warranty strong, .hero-warranty small { display: block; }
.hero-warranty strong { font-size: 14px; line-height: 1.25; }
.hero-warranty small { font-size: 11px; color: var(--muted); line-height: 1.4; margin-top: 3px; }
.hero-warranty .arrow { margin-left: 8px; }

.needs-section { background: #eeefe5; border-bottom: 1px solid var(--line); }
.needs-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.need { display: grid; grid-template-columns: 42px 1fr auto; gap: 12px; align-items: center; min-height: 109px; padding: 16px clamp(14px, 2.4vw, 35px); }
.need:first-child { padding-left: 0; }
.need:last-child { padding-right: 0; }
.need + .need { border-left: 1px solid var(--line); }
.need:hover strong { text-decoration: underline; text-underline-offset: 5px; }
.need strong, .need small { display: block; }
.need strong { font-size: 15px; line-height: 1.35; }
.need small { color: var(--muted); margin-top: 4px; font-size: 12px; line-height: 1.35; }
.need-icon { position: relative; width: 41px; height: 41px; border: 1px solid #b9c5b6; border-radius: 50%; }
.icon-taste::after { content: ""; position: absolute; top: 12px; left: 13px; width: 12px; height: 12px; border: 1.5px solid #325849; border-radius: 1px 8px 8px 8px; transform: rotate(45deg); }
.icon-scale::before, .icon-scale::after { content: ""; position: absolute; width: 17px; height: 7px; left: 11px; border: solid #325849; border-width: 0 0 1.5px; border-radius: 50%; }
.icon-scale::before { top: 12px; transform: rotate(-17deg); }
.icon-scale::after { top: 18px; transform: rotate(-17deg); }
.icon-tap::after { content: ""; position: absolute; width: 12px; height: 15px; left: 13px; top: 10px; border: 1.5px solid #325849; border-radius: 1px 1px 4px 4px; background: linear-gradient(180deg, transparent 45%, #325849 45% 52%, transparent 52%); }

.section-head { display: flex; align-items: end; justify-content: space-between; flex-wrap: wrap; gap: 20px; margin-bottom: 30px; }
.section-head > .text-link { margin-bottom: 3px; }
.featured-section { padding-bottom: clamp(56px, 6vw, 88px); }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.product-card { display: flex; min-width: 0; flex-direction: column; border: 1px solid var(--line); border-radius: 13px; background: #fffefa; overflow: hidden; }
.product-visual { display: grid; place-items: center; position: relative; height: 225px; overflow: hidden; background: radial-gradient(ellipse at 53% 54%, #f8f9f2 0 19%, #e8eee1 65%, #e1e8da); }
.product-visual::before { content: ""; width: min(56%, 200px); height: 52%; position: absolute; border: 1px solid #b1c1ad5c; border-radius: 50%; transform: rotate(-12deg); }
.product-visual img { position: relative; width: auto; height: 85%; max-width: 87%; object-fit: contain; filter: drop-shadow(0 9px 8px #182e2625); transition: transform .26s ease; }
.product-card:hover .product-visual img { transform: translateY(-3px) scale(1.035); }
.product-halo-ion img { height: 78%; }
.product-heater-guardian-elite img { height: 78%; }
.product-halo-uv img { height: auto; max-width: 88%; border-radius: 6px; }
.product-copy { padding: 22px 22px 18px; flex: 1; display: flex; flex-direction: column; }
.product-type { margin-bottom: 8px; color: #42604e; font-size: 10px; letter-spacing: .11em; text-transform: uppercase; font-weight: 770; }
.product-copy h3 { font-size: clamp(22px, 2vw, 29px); margin-bottom: 9px; }
.product-copy h3 a:hover { text-decoration: underline; text-underline-offset: 4px; }
.product-copy h3 + p { margin-bottom: 15px; color: var(--muted); font-size: 14px; }
.product-bottom { margin-top: auto; padding-top: 13px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 12px; font-weight: 700; }
.card-link { flex: 0 0 37px; height: 37px; display: grid; place-items: center; border-radius: 50%; background: var(--pale); }
.card-link:hover { background: var(--lime); }

.warranty-feature { padding-top: 0; }
.warranty-panel { display: grid; grid-template-columns: minmax(150px, .7fr) 1.5fr; align-items: center; gap: clamp(30px, 7vw, 105px); padding: clamp(31px, 5vw, 73px); background: var(--ink); color: #e5eee5; border-radius: 14px; }
.warranty-number { color: var(--lime); display: flex; align-items: baseline; gap: 9px; flex-wrap: nowrap; white-space: nowrap; }
.warranty-number strong { font-size: clamp(76px, 11vw, 150px); font-weight: 680; letter-spacing: -.11em; line-height: .85; }
.warranty-number span { font-size: clamp(20px, 3vw, 34px); letter-spacing: -.05em; font-weight: 650; }
.warranty-panel h2, .warranty-panel h3 { color: var(--white); }
.warranty-panel p:not(.eyebrow) { margin: 15px 0 20px; max-width: 555px; }
.decision-section { border-top: 1px solid var(--line); background: var(--pale); }
.decision-grid, .faq-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(32px, 7vw, 100px); }
.decision-grid .text-link, .faq-grid .text-link { margin-top: 18px; }
.decision-list { border-top: 1px solid #c9d4c6; }
.decision-list > div { padding: 17px 0; border-bottom: 1px solid #c9d4c6; }
.decision-list h3 { font-size: 21px; }
.decision-list p { margin-top: 6px; color: var(--muted); font-size: 15px; }
.faq-grid > div:first-child > .text-link { display: flex; width: fit-content; }
.faq-grid > div:first-child > p:not(.eyebrow) { color: var(--muted); margin-top: 13px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 60px; padding: 12px 2px; list-style: none; font-size: 16px; font-weight: 720; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { flex: 0 0 17px; display: grid; place-items: center; height: 17px; }
.faq-list summary span::before, .faq-list summary span::after { content: ""; grid-area: 1/1; width: 13px; height: 1.5px; background: var(--ink); }
.faq-list summary span::after { transform: rotate(90deg); }
.faq-list details[open] summary span::after { transform: rotate(0); }
.faq-list details p { color: var(--muted); padding: 0 22px 17px 2px; font-size: 15px; }

.quote-band { background: #dce8ce; border-top: 1px solid #ccd9c1; }
.quote-band-inner { min-height: 176px; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 31px; }
.quote-band h2 { font-size: clamp(28px, 4vw, 45px); }
.quote-band p { margin-top: 9px; color: var(--muted); }
.quote-band .button { flex-shrink: 0; border-color: #a2b574; }
.site-footer { padding: 45px 0 17px; background: var(--ink-deep); color: #dbe7de; }
.footer-main { display: grid; grid-template-columns: 1.65fr 1fr 1fr; gap: 26px; }
.site-footer .brand-mark { background: var(--lime); }
.site-footer .brand-mark i { background: var(--ink); }
.site-footer .brand-name { color: var(--white); }
.site-footer .brand { margin-bottom: 14px; }
.site-footer p { font-size: 13px; color: #c2d3c7; }
.footer-links { display: flex; flex-direction: column; gap: 9px; font-size: 14px; }
.footer-links a:hover, .footer-bottom a:hover { text-decoration: underline; text-underline-offset: 4px; }
.footer-bottom { margin-top: 31px; padding-top: 14px; display: flex; flex-wrap: wrap; gap: 12px 25px; justify-content: space-between; border-top: 1px solid #3a5047; color: #c2d3c7; font-size: 11px; }

.page-intro { padding: clamp(44px, 7vw, 94px) 0; background: var(--pale); border-bottom: 1px solid var(--line); }
.page-intro h1, .product-hero h1 { font-size: clamp(44px, 6vw, 79px); letter-spacing: -.068em; }
.page-intro .lead, .product-hero .lead { margin-top: 17px; }
.catalog-section, .compare-section { padding-top: clamp(30px, 4vw, 57px); }
.catalog-tools { display: flex; align-items: end; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding-bottom: 19px; border-bottom: 1px solid var(--line); }
.filters { display: flex; flex-wrap: wrap; gap: 7px; }
.filter-button { border: 1px solid #bdcbbd; padding: 8px 11px; border-radius: 7px; background: transparent; color: var(--ink); font-size: 13px; font-weight: 680; }
.filter-button[aria-pressed="true"] { color: var(--white); background: var(--ink); border-color: var(--ink); }
.filter-button:not([aria-pressed="true"]):hover { background: #e8efdf; }
.catalog-search { display: grid; gap: 4px; font-size: 13px; font-weight: 680; }
.catalog-search input { min-width: 220px; }
.catalog-count { margin: 14px 0 18px; color: var(--muted); font-size: 13px; font-weight: 690; }
.empty-state { margin-top: 18px; color: var(--muted); }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; padding-top: 22px; color: var(--muted); font-size: 13px; }
.breadcrumb a { text-decoration: underline; text-underline-offset: 3px; }
.product-hero { background: var(--pale); border-bottom: 1px solid var(--line); }
.product-hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: clamp(26px, 5vw, 75px); padding-block: clamp(29px, 5vw, 68px); }
.product-hero .button-row { margin-top: 24px; }
.product-detail-visual { min-height: clamp(270px, 31vw, 430px); border: 1px solid #d4ddce; border-radius: 13px; }
.product-detail-visual img { max-height: 92%; }
.product-detail-section { padding-top: clamp(39px, 6vw, 78px); }
.product-detail-grid, .warranty-layout, .quote-grid { display: grid; grid-template-columns: 1.35fr 1fr; align-items: start; gap: clamp(28px, 6vw, 86px); }
.product-detail-grid h2, .warranty-layout h2, .quote-grid h2 { font-size: clamp(26px, 3.5vw, 44px); }
.product-points { margin: 14px 0 0; padding: 0; list-style: none; }
.product-points li { padding: 16px 0; border-bottom: 1px solid var(--line); }
.product-points h3, .coverage-list h3 { font-size: 20px; }
.product-points p, .coverage-list p, .product-warranty p { margin-top: 7px; color: var(--muted); }
.product-warranty { margin-top: 28px; }
.product-warranty .text-link { margin-top: 10px; }
.spec-card { background: #f1f3ea; border: 1px solid var(--line); border-radius: 12px; padding: clamp(20px, 3.2vw, 38px); }
.spec-card dl { margin: 16px 0 0; }
.spec-card dl div { border-top: 1px solid var(--line); padding: 11px 0; }
.spec-card dt { font-weight: 700; font-size: 13px; }
.spec-card dd { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.spec-card p { margin-top: 13px; color: var(--muted); }
.spec-card .spec-note { font-size: 13px; }
.resource-links { display: grid; gap: 10px; border-top: 1px solid var(--line); margin-top: 18px; padding-top: 15px; font-size: 14px; }
.resource-links h3 { font-size: 17px; }
.resource-links .text-link { width: fit-content; }
.related-section { padding: 22px 0; background: var(--pale); border-top: 1px solid var(--line); }
.related-inner { display: flex; align-items: center; flex-wrap: wrap; gap: 13px 25px; }
.related-inner h2 { font-size: 20px; }
.related-links { display: flex; flex-wrap: wrap; gap: 7px; }
.related-links a { border: 1px solid #becab9; border-radius: 6px; padding: 5px 10px; font-size: 13px; font-weight: 660; }
.related-links a:hover { background: #dce8ce; }

.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 11px; }
table { border-collapse: collapse; min-width: 760px; width: 100%; background: #fffefa; text-align: left; font-size: 14px; }
thead { background: var(--ink); color: var(--white); }
th, td { padding: 14px 16px; vertical-align: top; }
tbody th { min-width: 140px; }
tbody tr + tr { border-top: 1px solid var(--line); }
tbody tr:nth-child(even) { background: #f0f3eb; }
tbody th a { text-decoration: underline; text-underline-offset: 4px; }
.information-callout { margin-top: 27px; padding: 20px; border: 1px solid var(--line); border-radius: 9px; background: var(--pale); }
.information-callout h3 { font-size: 21px; }
.information-callout p { margin: 6px 0 11px; color: var(--muted); }
.coverage-banner { display: flex; align-items: center; gap: 26px; padding: 24px; border-radius: 12px; color: #e2ede4; background: var(--ink); }
.coverage-banner h2 { color: var(--white); margin-bottom: 6px; }
.coverage-banner .warranty-number strong { font-size: clamp(56px, 7vw, 95px); }
.coverage-banner .warranty-number span { font-size: 22px; }
.coverage-list { list-style: none; padding: 0; }
.coverage-list li { border-bottom: 1px solid var(--line); padding: 14px 0; }
.warranty-aside .button { margin-top: 15px; }
.planner-card { border: 1px solid var(--line); background: #fffefa; border-radius: 12px; padding: clamp(21px, 3.5vw, 41px); }
.planner-card form { display: grid; gap: 17px; }
.planner-card label { display: grid; gap: 5px; color: var(--text); font-size: 14px; font-weight: 710; }
.planner-card label small { display: contents; color: var(--muted); font-weight: 510; }
.form-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
input, textarea, select { width: 100%; min-height: 44px; padding: 9px 10px; border: 1px solid #bac9bb; border-radius: 6px; background: var(--white); color: var(--ink); font-size: 15px; }
select { padding-right: 23px; }
textarea { resize: vertical; }
input::placeholder, textarea::placeholder { color: #5d6f65; }
.planner-card form .button { justify-self: start; }
.form-note { color: var(--muted); font-size: 12px; }
.check-list { margin: 14px 0; padding-left: 21px; color: var(--muted); }
.check-list li { margin-bottom: 9px; }
.quote-aside .text-link { display: flex; width: fit-content; margin-top: 9px; }
.quote-result { margin-top: 24px; border-top: 1px solid var(--line); padding-top: 24px; }
.quote-result p { color: var(--muted); margin-top: 9px; }
.quote-result ul { padding-left: 20px; }
.quote-result li a { text-decoration: underline; text-underline-offset: 4px; font-weight: 680; }
.quote-result pre { font: inherit; font-size: 13px; white-space: pre-wrap; overflow-wrap: anywhere; background: var(--pale); border-radius: 7px; padding: 15px; }

@media (max-width: 1040px) {
  .hero-content { padding-right: clamp(23px, 3.6vw, 45px); }
  .hero h1 { font-size: clamp(50px, 6.8vw, 72px); }
  .product-visual { height: 205px; }
  .product-detail-visual { height: clamp(265px, 37vw, 400px); }
  .need { gap: 9px; }
}

@media (max-width: 775px) {
  .desktop-nav { display: none; }
  .mobile-menu { display: block; }
  .header-row { min-height: 70px; gap: 10px; }
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-content { padding: 54px var(--gutter) 50px; }
  .hero h1 { font-size: clamp(52px, 11vw, 83px); }
  .hero-photo { min-height: clamp(265px, 64vw, 455px); }
  .hero-photo > img { object-position: 55% 58%; }
  .needs-grid { grid-template-columns: 1fr; }
  .need, .need:first-child, .need:last-child { min-height: 75px; padding: 10px 0; }
  .need + .need { border-left: 0; border-top: 1px solid var(--line); }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .product-copy { padding: 15px 15px 13px; }
  .warranty-panel { grid-template-columns: 1fr; gap: 20px; }
  .decision-grid, .faq-grid, .product-hero-grid, .product-detail-grid, .warranty-layout, .quote-grid { grid-template-columns: 1fr; gap: 26px; }
  .product-hero-grid .product-visual { height: 320px; }
  .quote-band-inner { flex-wrap: wrap; }
  .footer-main { grid-template-columns: repeat(2, 1fr); }
  .footer-main > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 500px) {
  .header-actions > .button { display: none; }
  .product-grid { grid-template-columns: 1fr; }
  .product-visual { height: 210px; }
  .hero-warranty { bottom: 12px; right: 12px; }
  .form-row { grid-template-columns: 1fr; }
  .catalog-search { width: 100%; }
  .coverage-banner { flex-wrap: wrap; gap: 15px; }
  .footer-main { gap: 17px; }
  .footer-links { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .001ms !important; }
}