:root {
  color-scheme: light;
  --ink: #0c2b40;
  --ink-deep: #09273a;
  --text: #17384a;
  --muted: #435f72;
  --accent: #086681;
  --accent-hover: #064f66;
  --accent-soft: #e0f4f8;
  --accent-bright: #a4f2f0;
  --accent-border: #8fbdcc;
  --control-line: #658d9f;
  --paper: #f7fcfe;
  --pale: #edf8fb;
  --line: #d1e5ec;
  --white: #fff;
  --surface: var(--white);
  --on-dark: #e5f5f9;
  --on-dark-muted: #c7e1ea;
  --stage: radial-gradient(ellipse at 84% 14%, #9ee5e97a, transparent 56%), linear-gradient(122deg, #fcfeff, #f0faff 54%, #e0f3f9);
  --stage-dark: radial-gradient(ellipse at 88% 18%, #46b5c449, transparent 60%), linear-gradient(122deg, #0b2e45, #155268);
  --shadow-low: 0 2px 4px #123b5010, 0 7px 19px #123b5011;
  --shadow-raised: 0 3px 8px #123b5010, 0 17px 34px #123b501c;
  --shadow-lifted: 0 6px 12px #123b5015, 0 24px 46px #123b5029;
  --shadow-stage: 0 4px 10px #134d6326, 0 26px 62px #134d6338;
  --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 var(--accent); 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: var(--accent); text-transform: uppercase; letter-spacing: .16em; font-size: 11px; font-weight: 760; }
.eyebrow-light { color: var(--accent-bright); }
.accent-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; background: var(--accent); }
.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(--accent-bright); color: var(--ink); font-weight: 700; }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 5; background: var(--white); border-bottom: 1px solid var(--line); box-shadow: 0 3px 13px #123b5016; }
.header-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
#main { scroll-margin-top: 76px; }
.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); box-shadow: inset 0 1px 2px #ffffff25, 0 3px 8px #123b5021; }
.brand-mark i { width: 13px; height: 13px; border-radius: 1px 9px 9px 9px; background: var(--accent-bright); 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; }
.primary-nav { display: flex; align-items: center; gap: clamp(14px, 2.35vw, 34px); }
.home-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--accent-border);
  border-radius: 8px;
  background: linear-gradient(var(--white), var(--pale));
  box-shadow: var(--shadow-low);
  color: var(--ink);
  font-size: 14px;
  font-weight: 740;
}
.home-link:hover { background: var(--accent-soft); }
.home-link[aria-current="page"] { border-color: var(--accent-border); background: var(--accent-soft); box-shadow: inset 0 1px 4px #123b5014; }
.desktop-nav { display: flex; align-items: center; gap: clamp(16px, 2.5vw, 39px); }
.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; background: var(--surface); box-shadow: var(--shadow-low); }
.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: var(--shadow-lifted); }
.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: 8px; font-weight: 720; font-size: 14px; line-height: 1.2; transition: background-color .18s ease, border-color .18s ease; }
.button-primary { color: var(--white); background: var(--accent); box-shadow: inset 0 1px 0 #ffffff24, 0 4px 14px #0b587333; }
.button-primary:hover { background: var(--accent-hover); }
.button-dark { color: var(--white); background: var(--ink); box-shadow: inset 0 1px 0 #ffffff24, 0 5px 12px #123b5029; }
.button-dark:hover { background: #1d4c66; }
.button-ghost { color: var(--accent-hover); border-color: var(--control-line); background: #ffffff88; }
.button-ghost:hover { background: var(--white); border-color: var(--accent); }
.button:disabled { opacity: .58; cursor: default; box-shadow: none; }
.site-header .button { min-height: 43px; padding: 10px 14px; }
.text-link { display: inline-flex; gap: 7px; align-items: center; color: var(--accent-hover); font-weight: 720; text-decoration: underline; text-decoration-color: var(--control-line); text-underline-offset: 5px; }
.text-link:hover { text-decoration-color: currentColor; }

.hero, .page-intro, .product-hero { position: relative; isolation: isolate; overflow: hidden; background: var(--stage); }
.hero::before, .page-intro::before, .product-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: clamp(390px, 58vw, 930px);
  aspect-ratio: 1;
  top: -55%;
  right: -17%;
  border: 1px solid #177c9a21;
  border-radius: 50%;
  box-shadow: 0 0 0 34px #4caec215, 0 0 0 76px #4caec20d;
  pointer-events: none;
}
.hero { padding-block: clamp(49px, 5.3vw, 82px) clamp(72px, 7.6vw, 116px); }
.hero-layout { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); align-items: center; gap: clamp(32px, 4.5vw, 75px); }
.hero-content { position: relative; }
.hero h1 { font-size: clamp(49px, 5.65vw, 88px); letter-spacing: -.073em; line-height: .99; text-shadow: 0 4px 20px #134d631a; }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero-content > p:not(.eyebrow) { color: var(--muted); margin: 22px 0 27px; max-width: 465px; font-size: clamp(16px, 1.53vw, 21px); line-height: 1.5; }
.hero-photo { position: relative; isolation: isolate; min-height: clamp(370px, 37vw, 525px); border-radius: clamp(16px, 1.9vw, 28px); background: var(--accent-soft); box-shadow: var(--shadow-stage); }
.hero-photo::before { content: ""; position: absolute; z-index: -1; inset: 11px -11px -11px 11px; border: 1px solid var(--accent-border); border-radius: inherit; background: #bceaf2bf; pointer-events: none; }
.hero-photo > img { position: absolute; inset: 0; width: 100%; height: 100%; border: 1px solid #ffffffbc; border-radius: inherit; object-fit: cover; object-position: 56% 50%; }
.hero-warranty { position: absolute; display: flex; align-items: center; gap: 12px; max-width: calc(100% - 24px); right: clamp(14px, 2.2vw, 34px); bottom: -18px; padding: 13px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--ink); box-shadow: var(--shadow-lifted); }
.hero-warranty:hover { background: var(--paper); }
.badge-mark { width: 34px; height: 34px; flex: 0 0 34px; display: grid; place-items: center; border-radius: 50%; background: var(--accent-soft); color: var(--accent); 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; }
:is(.warranty-panel, .site-footer) :focus-visible { outline-color: var(--accent-bright); }

.needs-section { position: relative; z-index: 1; margin-top: -34px; }
.needs-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(12px, 1.7vw, 24px); }
.need {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 103px;
  padding: 16px clamp(14px, 1.9vw, 27px);
  border: 1px solid var(--line);
  border-radius: 15px;
  background: linear-gradient(var(--white), var(--paper));
  box-shadow: var(--shadow-raised);
  transition: box-shadow .2s ease, transform .2s ease;
}
.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 var(--accent-border); border-radius: 50%; background: linear-gradient(var(--paper), #d6eff6); box-shadow: inset 0 1px 1px #fff, 0 2px 5px #123b5018; }
.icon-taste::after { content: ""; position: absolute; top: 12px; left: 13px; width: 12px; height: 12px; border: 1.5px solid var(--accent); 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 var(--accent); 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 var(--accent); border-radius: 1px 1px 4px 4px; background: linear-gradient(180deg, transparent 45%, var(--accent) 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-block: clamp(48px, 5.5vw, 82px) clamp(56px, 6vw, 88px); }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2vw, 26px); }
.product-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--surface);
  box-shadow: var(--shadow-raised);
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.product-card:focus-within { border-color: var(--control-line); box-shadow: var(--shadow-lifted); }
.product-visual { display: grid; place-items: center; position: relative; height: 225px; overflow: hidden; background: radial-gradient(ellipse at 46% 36%, var(--white) 0 10%, #e6f5fa 55%, #c6e5ef 100%); box-shadow: inset 0 -14px 25px #1847620d; }
.product-visual::before { content: ""; width: min(58%, 220px); height: 56%; position: absolute; border: 1px solid #7db0c47d; border-radius: 50%; transform: rotate(-12deg); box-shadow: 0 0 0 13px #ffffff54; }
.product-visual img { position: relative; width: auto; height: 85%; max-width: 87%; object-fit: contain; filter: drop-shadow(0 12px 10px #123b5040); transition: transform .24s ease; }
.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: var(--accent-hover); 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: 1px solid var(--accent-border); border-radius: 50%; background: linear-gradient(var(--white), var(--pale)); box-shadow: 0 2px 5px #123b5014; }
.card-link:hover { background: var(--accent-soft); }

.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(--stage-dark); color: var(--on-dark); border: 1px solid #34687b; border-radius: 19px; box-shadow: var(--shadow-lifted), inset 0 1px 0 #ffffff17; }
.warranty-number { color: var(--accent-bright); 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; text-shadow: 0 5px 22px #071f3366; }
.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; }
.warranty-panel .button-primary { background: var(--accent-bright); color: var(--ink); }
.warranty-panel .button-primary:hover { background: #cdf9f8; }
.decision-section { border-top: 1px solid var(--line); background: linear-gradient(120deg, var(--accent-soft), var(--paper)); }
.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 { display: grid; gap: 10px; }
.decision-list > div { padding: 16px 18px; border: 1px solid var(--line); border-inline-start: 3px solid var(--accent-border); border-radius: 10px; background: var(--surface); box-shadow: var(--shadow-low); }
.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 { display: grid; gap: 10px; }
.faq-list details { border: 1px solid var(--line); border-radius: 10px; background: var(--surface); box-shadow: var(--shadow-low); }
.faq-list details[open] { border-color: var(--accent-border); background: var(--pale); }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 60px; padding: 12px 17px; 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 21px 16px 17px; font-size: 15px; }

.quote-band { padding-block: clamp(23px, 3.4vw, 46px); background: linear-gradient(117deg, #d9f0f6, var(--pale)); border-top: 1px solid var(--line); }
.quote-band-inner { min-height: 145px; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: clamp(20px, 3.2vw, 43px); border: 1px solid var(--line); border-radius: 17px; background: linear-gradient(116deg, var(--white), #f1fbfd); box-shadow: var(--shadow-raised); }
.quote-band h2 { font-size: clamp(28px, 4vw, 45px); }
.quote-band p { margin-top: 9px; color: var(--muted); }
.quote-band .button { flex-shrink: 0; }
.site-footer { padding: 45px 0 17px; background: linear-gradient(121deg, var(--ink-deep), #103e53); color: var(--on-dark); }
.footer-main { display: grid; grid-template-columns: 1.65fr 1fr 1fr; gap: 26px; }
.site-footer .brand-mark { background: var(--accent-bright); }
.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: var(--on-dark-muted); }
.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 #36586a; color: var(--on-dark-muted); font-size: 11px; }

.page-intro { padding: clamp(44px, 6.5vw, 91px) 0; border-bottom: 1px solid var(--line); }
.page-intro h1, .product-hero h1 { font-size: clamp(41px, 5.7vw, 79px); letter-spacing: -.065em; text-shadow: 0 3px 15px #134d6319; }
.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: clamp(14px, 2vw, 24px); border: 1px solid var(--line); border-radius: 14px; background: var(--surface); box-shadow: var(--shadow-low); }
.filters { display: flex; flex-wrap: wrap; gap: 7px; }
.filter-button { border: 1px solid var(--control-line); 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(--accent); border-color: var(--accent); box-shadow: 0 3px 8px #123b502b; }
.filter-button:not([aria-pressed="true"]):hover { background: var(--pale); }
.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 { border-bottom: 1px solid var(--line); }
.product-hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .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 var(--line); border-radius: 17px; box-shadow: var(--shadow-stage); }
.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: linear-gradient(137deg, var(--white), var(--pale)); border: 1px solid var(--line); border-radius: 15px; padding: clamp(20px, 3.2vw, 38px); box-shadow: var(--shadow-raised); }
.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 var(--control-line); border-radius: 6px; padding: 5px 10px; font-size: 13px; font-weight: 660; }
.related-links a:hover { background: var(--accent-soft); }

.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-raised); }
table { border-collapse: collapse; min-width: 760px; width: 100%; background: var(--surface); text-align: left; font-size: 14px; }
thead { background: linear-gradient(110deg, var(--ink), #155168); 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: var(--pale); }
tbody th a { text-decoration: underline; text-underline-offset: 4px; }
.information-callout { margin-top: 27px; padding: 20px; border: 1px solid var(--line); border-inline-start: 3px solid var(--accent-border); border-radius: 12px; background: linear-gradient(120deg, var(--surface), var(--pale)); box-shadow: var(--shadow-low); }
.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: 1px solid #34687b; border-radius: 15px; color: var(--on-dark); background: var(--stage-dark); box-shadow: var(--shadow-raised), inset 0 1px 0 #ffffff17; }
.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: var(--surface); border-radius: 15px; padding: clamp(21px, 3.5vw, 41px); box-shadow: var(--shadow-raised); }
.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 var(--control-line); border-radius: 7px; background: var(--white); color: var(--ink); font-size: 15px; box-shadow: inset 0 2px 4px #123b500a; }
select { padding-right: 23px; }
textarea { resize: vertical; }
input::placeholder, textarea::placeholder { color: var(--muted); }
.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 (hover: hover) and (prefers-reduced-motion: no-preference) {
  .need:hover, .product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lifted); }
  .product-card:hover .product-visual img { transform: translateY(-3px) scale(1.03); }
}

@media (max-width: 1040px) {
  .product-visual { height: 205px; }
  .product-detail-visual { height: clamp(265px, 37vw, 400px); }
  .need { gap: 9px; }
}

@media (max-width: 840px) {
  .desktop-nav { display: none; }
  .primary-nav { margin-inline-start: auto; }
  .mobile-menu { display: block; }
  .header-row { min-height: 70px; gap: 10px; }
  #main { scroll-margin-top: 70px; }
}

@media (max-width: 775px) {
  .hero { padding-block: 43px 56px; }
  .hero-layout { grid-template-columns: 1fr; gap: 28px; }
  .hero h1 { font-size: clamp(43px, 10.2vw, 72px); }
  .hero-photo { min-height: clamp(240px, 64vw, 440px); }
  .hero-photo::before { inset: 8px -7px -8px 7px; }
  .hero-photo > img { object-position: 55% 58%; }
  .hero-warranty { bottom: 12px; right: 12px; }
  .needs-section { margin-top: -21px; }
  .needs-grid { grid-template-columns: 1fr; gap: 10px; }
  .need { min-height: 76px; padding: 10px 15px; }
  .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; }
  .brand { gap: 8px; }
  .brand-name strong { font-size: 23px; }
  .home-link { padding-inline: 11px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-visual { height: 210px; }
  .hero-warranty { gap: 8px; padding: 9px 11px; }
  .hero-warranty .arrow { margin-left: 2px; }
  .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; }
}