:root {
  --navy: #07133f;
  --navy-2: #0b1550;
  --red: #b31822;
  --ink: #101820;
  --body: #344054;
  --muted: #667085;
  --line: #d9e0ea;
  --soft-line: #e7ecf2;
  --paper: #f7f8fa;
  --cool-white: #fbfcfe;
  --ice: #eef3f8;
  --white: #fff;
  --success: #0e7a4f;
  --warning: #b86b00;
  --shadow: 0 24px 64px rgba(7, 19, 63, .12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --shell: min(1180px, calc(100% - 36px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--cool-white);
  color: var(--body);
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.58;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 99;
  pointer-events: none;
  opacity: .028;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.4'/%3E%3C/svg%3E");
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 200; padding: 10px 16px; background: var(--white); color: var(--navy); border-radius: var(--radius-sm); }
.skip-link:focus { top: 12px; }

h1, h2, h3, strong { color: var(--navy); }
h1, h2, h3 { margin: 0; font-family: "Sora", system-ui, sans-serif; line-height: 1.08; }
h1 { max-width: 690px; font-size: clamp(2.45rem, 6vw, 4.7rem); letter-spacing: -.025em; }
h2 { font-size: clamp(1.9rem, 4vw, 3.15rem); letter-spacing: -.02em; }
h3 { font-size: clamp(1.25rem, 2.3vw, 1.75rem); }
p { margin: 0; }
.eyebrow { margin-bottom: 13px; color: var(--red); font-size: calc(.74rem + 1pt); font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow-light { color: #ffb4b8; }
.section { padding: 92px 0; }
.section-head { display: grid; gap: 12px; max-width: 680px; margin-bottom: 38px; }
.section-head .eyebrow { margin-bottom: 0; }

.site-header { position: sticky; top: 0; z-index: 90; border-bottom: 1px solid rgba(217,224,234,.85); background: rgba(255,255,255,.93); backdrop-filter: blur(16px); }
.header-inner { min-height: 76px; display: flex; align-items: center; gap: 30px; }
.logo-plate { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: var(--radius-sm); background: var(--white); }
.logo-plate img { width: 142px; height: auto; }
.desktop-nav { display: flex; gap: 24px; margin-left: auto; }
.desktop-nav a { color: var(--body); font-size: calc(.88rem + 1pt); font-weight: 700; text-decoration: none; }
.desktop-nav a:hover, .desktop-nav a:focus-visible { color: var(--red); }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 21px; border: 1px solid transparent; border-radius: var(--radius-sm); font-weight: 800; text-decoration: none; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.cta-icon { width: 18px; height: 18px; flex: 0 0 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.whatsapp-icon { width: 20px; height: 20px; flex-basis: 20px; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid #86a8ff; outline-offset: 3px; }
.button-primary, .button-call { background: var(--red); color: var(--white); box-shadow: 0 12px 24px rgba(179,24,34,.22); }
.button-primary:hover, .button-call:hover { background: #96141c; }
.button-whatsapp { background: #0f8f5c; color: var(--white); box-shadow: 0 12px 24px rgba(15,143,92,.25); }
.button-whatsapp:hover { background: #08784c; }
.button-ghost { border-color: rgba(255,255,255,.55); color: var(--white); background: rgba(255,255,255,.06); }
.button-ghost:hover { background: rgba(255,255,255,.13); }
.header-call { min-height: 46px; padding: 10px 17px; font-size: calc(.9rem + 1pt); }

.hero { min-height: 730px; position: relative; display: grid; align-items: end; overflow: hidden; background: var(--navy); }
.hero-photo, .hero-overlay { position: absolute; inset: 0; }
.hero-photo { background: url("assets/hero-technician-ladder.webp") center / cover no-repeat; }
.hero-overlay { background: linear-gradient(90deg, rgba(3,10,38,.98) 0%, rgba(3,10,38,.89) 38%, rgba(3,10,38,.24) 72%, rgba(3,10,38,.04) 100%); }
.hero-inner { position: relative; z-index: 1; display: flex; align-items: end; padding-block: 128px 72px; }
.hero-copy { max-width: 670px; color: #e7ecf2; }
.hero h1 { color: var(--white); }
.hero-lead { max-width: 610px; margin-top: 23px; color: #e7ecf2; font-size: clamp(1.05rem, 2vw, 1.26rem); }
.hero-actions { display: flex; gap: 12px; margin-top: 30px; }
.system-line { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 0; padding: 0; list-style: none; }
.system-line li { padding: 7px 11px; border: 1px solid rgba(255,255,255,.23); color: #dfe6ef; font-size: calc(.72rem + 1pt); font-weight: 800; letter-spacing: .04em; }

.proof-rail { position: relative; z-index: 3; border-bottom: 1px solid var(--line); background: var(--white); }
.proof-rail-inner { min-height: 132px; display: grid; grid-template-columns: 225px 1fr; align-items: stretch; }
.rating-block { display: grid; align-content: center; justify-items: start; margin-block: 14px; padding: 18px 24px; border: 1px solid #ead99a; border-top: 5px solid #e9a500; border-radius: 12px; background: #fffaf0; box-shadow: 0 10px 24px rgba(7,19,63,.07); }
.rating-block strong { display: flex; align-items: baseline; gap: 3px; font-family: "Sora", sans-serif; font-size: 3.2rem; line-height: 1; }
.rating-block strong span { color: var(--muted); font-size: calc(.9rem + 1pt); }
.rating-stars { color: #e9a500; font-size: calc(.77rem + 1pt); letter-spacing: .08em; }
.rating-block small { color: var(--muted); font-size: calc(.71rem + 1pt); font-weight: 700; }
.assurance-list { display: grid; grid-template-columns: repeat(3, 1fr); }
.assurance-item { display: flex; align-items: center; gap: 14px; padding: 22px 26px; border-right: 1px solid var(--line); }
.assurance-item:last-child { border-right: 0; }
.assurance-icon { width: 42px; height: 42px; flex: 0 0 42px; display: grid; place-items: center; border: 1px solid var(--line); color: var(--red); background: var(--paper); font-family: "Sora", sans-serif; font-size: calc(.7rem + 1pt); font-weight: 800; }
.assurance-item div { display: grid; gap: 3px; }
.assurance-item strong { font-size: calc(.88rem + 1pt); }
.assurance-item small { color: var(--muted); font-size: calc(.74rem + 1pt); }

.comparison-section { background: var(--paper); }
.comparison-layout { display: grid; grid-template-columns: minmax(250px,.55fr) minmax(0,1.45fr); gap: 52px; align-items: start; }
.comparison-heading { position: sticky; top: 110px; display: grid; gap: 17px; }
.comparison-heading > p { max-width: 390px; font-size: 1rem; }
.comparison-alert { display: grid; gap: 8px; margin-top: 12px; padding: 20px; border-left: 5px solid var(--red); background: var(--white); box-shadow: 0 14px 34px rgba(7,19,63,.07); }
.comparison-alert strong { color: var(--red); font-family: "Sora", sans-serif; font-size: calc(.83rem + 1pt); text-transform: uppercase; }
.comparison-alert span { color: var(--navy); font-size: calc(.83rem + 1pt); font-weight: 800; }
.comparison-alert a { width: fit-content; color: var(--red); font-size: calc(.76rem + 1pt); font-weight: 800; text-underline-offset: 4px; }
.compare-wrap { min-width: 0; }
.compare-card { width: 100%; table-layout: fixed; border: 1px solid var(--line); border-spacing: 0; border-radius: 18px; background: var(--white); box-shadow: 0 18px 50px rgba(7,19,63,.08); }
.compare-card th, .compare-card td { border-right: 1px solid var(--soft-line); border-bottom: 1px solid var(--soft-line); }
.compare-card tr > *:last-child { border-right: 0; }
.compare-card tbody tr:last-child > * { border-bottom: 0; }
.compare-card thead th { height: 116px; padding: 18px 12px; color: var(--white); background: var(--navy); text-align: center; vertical-align: middle; }
.compare-card thead th:first-child { width: 44%; padding-left: 20px; text-align: left; }
.compare-card thead th:nth-child(2) { width: 27%; }
.compare-card thead th:nth-child(3) { width: 29%; }
.compare-card thead span { display: block; font-family: "Sora", sans-serif; font-size: calc(.78rem + 1pt); line-height: 1.3; }
.compare-card thead small { display: block; margin-top: 9px; color: inherit; font-size: calc(.68rem + 1pt); font-weight: 800; }
.compare-card thead del { opacity: .7; }
.compare-card .hala-head del { margin-right: 3px; }
.compare-card .others-head { background: var(--red); }
.compare-card .hala-head { background: var(--success); box-shadow: inset 0 0 0 3px rgba(255,255,255,.18); }
.compare-row th { padding: 13px 16px; color: var(--navy); font-size: calc(.77rem + 1pt); line-height: 1.35; text-align: left; }
.compare-row td { padding: 12px 8px; color: var(--body); font-size: calc(.72rem + 1pt); font-weight: 700; text-align: center; vertical-align: middle; }
.compare-row.key-row th, .compare-row.key-row td { color: var(--navy); font-family: "Sora", sans-serif; font-weight: 800; }
.category-row th { padding: 9px 15px; border-right: 0; background: var(--ice); color: var(--muted); font-size: calc(.66rem + 1pt); font-weight: 800; letter-spacing: .09em; text-align: left; text-transform: uppercase; }
.compare-card .hala-result { background: #effaf4; }
.compare-row .yes, .compare-row .no { display: inline-grid; width: 30px; height: 30px; place-items: center; border-radius: 50%; font-size: 1rem; font-weight: 900; }
.compare-row .yes { background: #dff5e9; }
.compare-row .no { background: #fff0f1; }
.limited { color: var(--muted); font-size: calc(.66rem + 1pt); font-weight: 800; }
.compare-note { margin-top: 12px; color: var(--muted); font-size: calc(.7rem + 1pt); }
.yes { color: var(--success); }
.no { color: var(--red); }

.proof-section { background: var(--white); }
.proof-story { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(320px,.85fr); gap: 56px; align-items: center; margin-top: 64px; padding-bottom: 64px; border-bottom: 1px solid var(--line); }
.proof-story:first-of-type { margin-top: 0; }
.proof-story:last-of-type { border-bottom: 0; }
.proof-story.reverse figure { order: 2; }
.proof-story figure { margin: 0; overflow: hidden; border-radius: var(--radius-md); background: var(--ice); }
.proof-story figure img { width: 100%; height: 390px; object-fit: cover; }
.proof-story-copy { position: relative; }
.proof-story-copy h3 { max-width: 470px; margin-bottom: 14px; font-size: clamp(1.55rem,3vw,2.35rem); }
.proof-story-copy > p:not(.eyebrow) { max-width: 480px; margin-bottom: 22px; }
.story-result { display: grid; grid-template-columns: 145px 1fr; gap: 15px; padding: 12px 0; border-top: 1px solid var(--soft-line); font-size: calc(.8rem + 1pt); }
.story-result span:first-child { font-weight: 800; }
.short-warning { display: grid; grid-template-columns: 48px 1fr; gap: 18px; max-width: 900px; margin: 54px auto 0; padding: 24px 28px; border-left: 4px solid var(--warning); background: #fff8ed; }
.short-warning > span { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; background: var(--warning); color: var(--white); font-weight: 900; }
.short-warning strong { font-family: "Sora", sans-serif; }
.short-warning p { margin-top: 4px; }

.check-section { position: relative; overflow: hidden; background: var(--navy); color: #dfe6ef; }
.check-section::after { content: ""; position: absolute; width: 500px; height: 500px; right: -250px; top: -250px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,.025), 0 0 0 140px rgba(255,255,255,.02); }
.check-layout { position: relative; z-index: 1; display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: center; }
.check-copy h2 { color: var(--white); }
.check-copy > p:last-child { max-width: 460px; margin-top: 18px; }
.component-cloud { display: flex; flex-wrap: wrap; gap: 9px; margin: 0; padding: 0; list-style: none; }
.component-cloud li { padding: 10px 14px; border: 1px solid rgba(255,255,255,.17); background: rgba(255,255,255,.045); color: var(--white); font-size: calc(.78rem + 1pt); font-weight: 700; }

.systems-section { background: var(--white); }
.systems-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 62px; align-items: center; }
.systems-photo { position: relative; margin: 0; overflow: hidden; border-radius: var(--radius-md); }
.systems-photo img { width: 100%; height: 460px; object-fit: cover; object-position: 55% 38%; }
.systems-photo figcaption { position: absolute; left: 18px; bottom: 18px; padding: 8px 12px; background: rgba(7,19,63,.9); color: var(--white); font-size: calc(.72rem + 1pt); font-weight: 800; }
.systems-copy h2 { max-width: 500px; }
.system-types { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 28px 0 0; padding: 0; list-style: none; }
.system-types li { padding: 15px; border-left: 3px solid var(--red); background: var(--paper); color: var(--navy); font-size: calc(.84rem + 1pt); font-weight: 800; }
.system-note { margin-top: 20px; padding: 12px 14px; border-left: 3px solid var(--red); background: var(--paper); color: var(--muted); font-size: calc(.78rem + 1pt); }

.benefit-section { background: var(--ice); }
.benefit-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.benefit-card { overflow: hidden; border: 1px solid var(--line); background: var(--white); box-shadow: 0 14px 38px rgba(7,19,63,.06); }
.benefit-card > div:last-child { display: grid; gap: 9px; padding: 23px; }
.benefit-visual { min-height: 226px; display: grid; place-items: center; align-content: center; gap: 8px; padding: 24px; background: var(--navy); color: var(--white); }
.benefit-visual strong { color: var(--white); font-family: "Sora", sans-serif; }
.energy-visual svg { width: 116px; height: 90px; fill: none; stroke: rgba(255,255,255,.9); stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; }
.energy-visual svg .accent { stroke: #60d394; stroke-width: 8; }
.energy-visual span { font-size: calc(.7rem + 1pt); font-weight: 800; letter-spacing: .18em; }
.energy-visual strong { color: #7cf0ad; font-size: 1.45rem; }
.air-visual { grid-template-columns: 1fr auto 1fr; }
.air-visual > strong { grid-column: 1 / -1; margin-top: 18px; font-size: 1rem; }
.air-dirty, .air-clean { width: 82px; height: 82px; position: relative; border: 2px solid rgba(255,255,255,.42); border-radius: 50%; }
.air-dirty i { position: absolute; width: 9px; height: 9px; border-radius: 50%; background: #ff9b9f; }
.air-dirty i:nth-child(1) { left: 18px; top: 18px; }.air-dirty i:nth-child(2) { right: 16px; top: 27px; }.air-dirty i:nth-child(3) { left: 30px; bottom: 14px; }.air-dirty i:nth-child(4) { right: 23px; bottom: 25px; }
.air-clean b { position: absolute; left: 17px; width: 48px; height: 3px; border-radius: 4px; background: #7cf0ad; }
.air-clean b:nth-child(1) { top: 24px; }.air-clean b:nth-child(2) { top: 39px; }.air-clean b:nth-child(3) { top: 54px; }
.air-arrow { color: #7cf0ad; font-size: 1.7rem; }
.decision-visual { grid-template-columns: 1fr auto 1fr auto 1fr; gap: 8px; }
.decision-visual span { min-width: 72px; display: grid; gap: 8px; justify-items: center; font-family: "Sora", sans-serif; font-size: calc(.65rem + 1pt); }
.decision-visual span b { width: 48px; height: 48px; display: grid; place-items: center; border: 2px solid #7cf0ad; border-radius: 50%; color: #7cf0ad; }
.decision-visual i { color: rgba(255,255,255,.5); font-style: normal; }
.benefit-card h3 { font-size: 1.32rem; }
.benefit-card p { font-size: calc(.88rem + 1pt); }
.benefit-card small { color: var(--muted); font-size: calc(.71rem + 1pt); }
.benefit-card small a { text-underline-offset: 3px; }

.repair-section { background: var(--navy); color: #dfe6ef; }
.repair-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: center; }
.repair-copy h2 { color: var(--white); }
.repair-copy > p:not(.eyebrow) { max-width: 480px; margin-top: 19px; }
.repair-copy strong { color: #ffb4b8; }
.repair-copy > small { display: block; margin-top: 16px; color: #aebbd0; }
.repair-list { margin: 0; padding: 0; border: 1px solid rgba(255,255,255,.18); list-style: none; }
.repair-list li { min-height: 66px; display: flex; justify-content: space-between; align-items: center; gap: 22px; padding: 14px 22px; border-bottom: 1px solid rgba(255,255,255,.14); }
.repair-list li:last-child { border-bottom: 0; }
.repair-list strong { color: var(--white); font-family: "Sora", sans-serif; white-space: nowrap; }
.repair-note { grid-column: 2; color: #aebbd0; font-size: calc(.72rem + 1pt); }

.review-section { background: var(--white); }
.review-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 68px; align-items: center; }
.review-copy h2 { max-width: 530px; }
.review-copy > p:last-child { max-width: 520px; margin-top: 17px; }
.review-card { margin: 0; padding: 38px; border-left: 4px solid var(--red); background: var(--paper); }
.stars { color: #e9a500; letter-spacing: .12em; }
.review-card > p { margin-top: 17px; color: var(--navy); font-family: "Sora", sans-serif; font-size: clamp(1.2rem,2.4vw,1.7rem); line-height: 1.45; }
.review-card footer { display: grid; margin-top: 20px; }
.review-card footer span { color: var(--muted); font-size: calc(.76rem + 1pt); }

.faq-section { background: var(--paper); }
.faq-layout { display: grid; grid-template-columns: .55fr 1.45fr; gap: 70px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 21px 48px 21px 0; color: var(--navy); font-family: "Sora", sans-serif; font-weight: 700; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 12px; top: 16px; color: var(--red); font-size: 1.5rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 42px 20px 0; }

.final-cta { padding: 72px 0; background: var(--navy); color: #dfe6ef; }
.final-layout { display: grid; grid-template-columns: 1fr .8fr; gap: 70px; align-items: center; }
.final-layout h2 { color: var(--white); }
.final-layout > div:first-child > p:last-child { margin-top: 15px; }
.final-actions { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.final-actions small { grid-column: 1 / -1; color: #aebbd0; text-align: center; }

.site-footer { padding: 32px 0 92px; background: #030a25; color: #aebbd0; }
.footer-inner { display: flex; align-items: center; gap: 26px; }
.footer-inner > p { font-size: calc(.8rem + 1pt); }
.footer-links { display: flex; gap: 18px; margin-left: auto; font-size: calc(.8rem + 1pt); }
.mobile-sticky { display: none; }

@supports (content-visibility: auto) {
  .proof-section,
  .check-section,
  .systems-section,
  .benefit-section,
  .repair-section,
  .review-section,
  .faq-section,
  .final-cta,
  .site-footer {
    content-visibility: auto;
    contain-intrinsic-size: auto 720px;
  }
}

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .desktop-nav { display: none; }
  .header-call { margin-left: auto; }
  .hero-overlay { background: linear-gradient(90deg, rgba(3,10,38,.97), rgba(3,10,38,.52)); }
  .proof-rail-inner { grid-template-columns: 205px 1fr; }
  .assurance-list { grid-template-columns: 1fr; }
  .assurance-item { min-height: 76px; border-right: 0; border-bottom: 1px solid var(--line); }
  .assurance-item:last-child { border-bottom: 0; }
  .proof-story { gap: 38px; }
  .comparison-layout, .check-layout, .repair-layout, .review-layout, .faq-layout { grid-template-columns: 1fr; gap: 42px; }
  .comparison-heading { position: static; }
  .benefit-cards { grid-template-columns: 1fr 1fr; }
  .benefit-card:last-child { grid-column: 1 / -1; }
  .repair-note { grid-column: auto; }
}

@media (max-width: 720px) {
  body { padding-bottom: 66px; }
  .section { padding: 58px 0; }
  .site-header { position: relative; }
  .header-inner { min-height: 68px; gap: 14px; }
  .logo-plate img { width: 116px; }
  .header-call { min-height: 44px; padding: 8px 12px; font-size: calc(.78rem + 1pt); }
  .header-call span { display: none; }
  .hero { min-height: 790px; align-items: end; }
  .hero-photo { background-image: url("assets/hero-technician-ladder-mobile.webp"); background-position: center top; }
  .hero-overlay { background: linear-gradient(0deg, rgba(3,10,38,.99) 0%, rgba(3,10,38,.93) 53%, rgba(3,10,38,.08) 100%); }
  .hero-inner { padding-block: 300px 38px; }
  .hero-lead { margin-top: 18px; font-size: 1rem; }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; margin-top: 24px; }
  .hero-actions .button { padding-inline: 12px; font-size: calc(.83rem + 1pt); }
  .system-line { gap: 6px; margin-top: 20px; }
  .system-line li { padding: 5px 8px; font-size: calc(.64rem + 1pt); }

  .proof-rail-inner { grid-template-columns: 1fr; }
  .rating-block { grid-template-columns: auto auto; align-items: center; justify-content: start; gap: 4px 10px; margin-block: 14px; padding: 18px 20px; }
  .rating-block strong { grid-row: span 2; font-size: 2.8rem; }
  .rating-stars { align-self: end; }
  .rating-block small { align-self: start; }
  .assurance-item { min-height: 72px; padding: 15px 0; }
  .assurance-icon { width: 36px; height: 36px; flex-basis: 36px; }

  .comparison-layout { gap: 28px; }
  .comparison-heading { gap: 12px; }
  .comparison-alert { margin-top: 4px; padding: 17px; }
  .compare-wrap { margin-inline: -9px; }
  .compare-card { border-radius: 13px; }
  .compare-card thead th { position: sticky; top: 0; z-index: 4; }
  .compare-card thead th { height: 102px; padding: 12px 6px; }
  .compare-card thead th:first-child { width: 42%; padding-left: 9px; }
  .compare-card thead th:nth-child(2) { width: 28%; }
  .compare-card thead th:nth-child(3) { width: 30%; }
  .compare-card thead span { font-size: calc(.61rem + 1pt); }
  .compare-card thead small { margin-top: 7px; font-size: calc(.58rem + 1pt); }
  .compare-row th { padding: 11px 8px; font-size: calc(.66rem + 1pt); }
  .compare-row td { padding: 9px 4px; font-size: calc(.62rem + 1pt); }
  .category-row th { padding: 8px 9px; font-size: calc(.58rem + 1pt); }
  .compare-row .yes, .compare-row .no { width: 27px; height: 27px; font-size: .9rem; }
  .limited { font-size: calc(.58rem + 1pt); line-height: 1.15; }
  .compare-note { padding-inline: 9px; }

  .proof-story, .proof-story.reverse { grid-template-columns: 1fr; gap: 24px; margin-top: 42px; padding-bottom: 42px; }
  .proof-story.reverse figure { order: initial; }
  .proof-story figure img { height: 260px; }
  .blower-story figure img { object-position: 50% 55%; }
  .coil-story figure img { object-position: 52% 48%; }
  .diagnosis-story figure img { object-position: 78% 48%; }
  .story-result { grid-template-columns: 122px 1fr; gap: 9px; font-size: calc(.71rem + 1pt); }
  .short-warning { grid-template-columns: 38px 1fr; gap: 14px; padding: 20px 18px; }
  .short-warning > span { width: 34px; height: 34px; }
  .short-warning p { font-size: calc(.82rem + 1pt); }

  .check-layout { gap: 30px; }
  .component-cloud { gap: 7px; }
  .component-cloud li { padding: 8px 10px; font-size: calc(.7rem + 1pt); }
  .systems-layout { grid-template-columns: 1fr; gap: 30px; }
  .systems-photo img { height: 280px; object-position: 62% 36%; }
  .systems-photo figcaption { left: 12px; bottom: 12px; }
  .system-types { grid-template-columns: 1fr; gap: 7px; margin-top: 22px; }

  .benefit-cards { grid-template-columns: 1fr; }
  .benefit-card:last-child { grid-column: auto; }
  .benefit-visual { min-height: 205px; }
  .decision-visual { gap: 4px; padding-inline: 14px; }
  .decision-visual span { min-width: 66px; }
  .repair-list li { min-height: 60px; padding: 13px 16px; font-size: calc(.84rem + 1pt); }
  .review-card { padding: 27px 22px; }

  .final-layout { grid-template-columns: 1fr; gap: 30px; }
  .final-actions { grid-template-columns: 1fr; }
  .final-actions small { grid-column: auto; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 16px; }
  .footer-links { flex-direction: column; gap: 7px; margin-left: 0; }
  .mobile-sticky { position: fixed; z-index: 100; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: .82fr 1.18fr; min-height: 66px; box-shadow: 0 -8px 30px rgba(3,10,37,.22); }
  .mobile-sticky a { display: flex; align-items: center; justify-content: center; gap: 8px; background: var(--red); color: var(--white); font-weight: 800; text-decoration: none; }
  .mobile-sticky a + a { border-left: 1px solid rgba(255,255,255,.25); background: #0f8f5c; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .button { transition: none; }
}