/* HeatPumps — implementation of PAGE_DESIGNS.html / DESIGN_SYSTEM.html at real scale
   (the mockup renders at ~0.7×; type sizes here are the mockup's ×1.4). */
:root{
  --ink:#10211d;--muted:#5b6964;--brand:#0e6b50;--brand-dark:#094f3b;--brand-soft:#d9ebe4;
  --accent:#e86f36;--accent-strong:#b84618;--cream:#f4f1e8;--lime:#dbe9cc;--paper:#fff;
  --surface:#f4f6f3;--line:#dce4df;--danger:#b42318;--focus:#f2a071;
  --shadow:0 24px 70px rgba(16,33,29,.14);
  --font:Inter,Manrope,"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 var(--font)}
a{color:var(--brand)}
a:hover{color:var(--brand-dark)}
button,input,select,textarea{font:inherit}
:focus-visible{outline:3px solid rgba(232,111,54,.55);outline-offset:3px}
img{max-width:100%;height:auto}
.shell{width:min(1180px,100% - 48px);margin:0 auto}
.narrow{max-width:780px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:8px;z-index:50;background:#fff;padding:8px 12px}
.eyebrow{display:block;color:var(--brand);text-transform:uppercase;letter-spacing:1.7px;font-size:13px;font-weight:850}
.eyebrow.light{color:#8bc8b6}
.lead{font-size:19px;line-height:1.7;color:var(--muted);max-width:640px;margin:0}
.lead+.lead{margin-top:14px}
.num{text-align:right;white-space:nowrap}

/* topline + header */
.topline{height:34px;background:var(--ink);color:#c8d6d1;font-size:13px}
.topline .shell{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topline a{color:#c8d6d1;text-decoration:none}
.site-header{border-bottom:1px solid var(--line);background:#fff;position:relative;z-index:20}
.site-header .shell{min-height:78px;display:flex;align-items:center;gap:32px}
.logo{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:850;color:var(--ink);text-decoration:none;white-space:nowrap;letter-spacing:-.5px}
.logo b{color:var(--brand)}
.logo:hover{color:var(--ink)}
.mark{width:32px;height:32px;border-radius:50%;background:var(--brand);position:relative;display:inline-block;flex:none}
.mark:before,.mark:after{content:"";position:absolute;width:10px;height:17px;background:#fff;border-radius:100% 0;transform:rotate(35deg);top:6px;left:7px}
.mark:after{background:var(--lime);transform:rotate(215deg);top:10px;left:15px}
.nav{display:flex;align-items:center;gap:26px;margin-left:auto;font-size:15px;font-weight:750}
.nav>a,.mega summary{color:var(--ink);text-decoration:none;min-height:44px;display:flex;align-items:center;cursor:pointer}
.nav>a:hover,.mega summary:hover{color:var(--brand)}
.mega summary{list-style:none;gap:7px}
.mega summary::-webkit-details-marker{display:none}
.mega summary:after{content:"";width:7px;height:7px;border:solid currentColor;border-width:0 2px 2px 0;transform:rotate(45deg) translateY(-2px)}
.mega[open] summary:after{transform:rotate(225deg)}
.mega-panel{position:absolute;left:0;right:0;top:100%;background:#fff;border-top:1px solid var(--line);box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:30px max(24px,calc((100% - 1180px)/2))}
.mega-panel a{display:block;padding:6px 0;color:var(--ink);text-decoration:none;font-weight:650}
.mega-panel a:hover{color:var(--brand)}
.mega-panel small{color:var(--muted);font-weight:500}
.mega-label{display:block;color:var(--brand);text-transform:uppercase;letter-spacing:1.4px;font-size:12px;font-weight:850;margin-bottom:6px}
.mega-all{margin-top:8px;color:var(--accent-strong)!important}
.site-cta{background:var(--brand);color:#fff;padding:14px 20px;font-size:14px;font-weight:800;text-decoration:none;white-space:nowrap}
.site-cta:hover{background:var(--brand-dark);color:#fff}

/* buttons */
.btn{border:1px solid var(--line);background:#fff;color:var(--ink);min-height:54px;padding:0 24px;font-weight:800;font-size:15px;display:inline-flex;align-items:center;gap:22px;text-decoration:none;cursor:pointer}
.btn:hover{border-color:var(--ink);color:var(--ink)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-strong);border-color:var(--accent-strong);color:#fff}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}

/* crumbs */
.crumbs{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:13px;padding-top:26px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--brand)}
.crumbs span[aria-hidden]{opacity:.6}

/* heroes */
.hero,.catalog-hero,.model-hero,.solution-hero,.article-head{background:var(--cream)}
.hero{padding:0 0 64px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center;min-height:520px}
.hero h1{font-size:clamp(46px,6.3vw,80px);line-height:.95;letter-spacing:-.05em;margin:18px 0 26px}
.hero h1 em{font-style:normal;color:var(--brand)}
.catalog-hero,.model-hero,.solution-hero{padding-bottom:60px}
.catalog-grid{display:grid;grid-template-columns:1fr 360px;gap:64px;align-items:center;padding-top:30px}
.catalog-hero h1{font-size:clamp(40px,5.6vw,72px);line-height:.97;letter-spacing:-.05em;margin:16px 0 24px}
.visual{min-height:400px;position:relative;display:flex;align-items:center;justify-content:center}
.visual:before{content:"";position:absolute;width:min(360px,80%);aspect-ratio:1;border-radius:50%;background:#e1e9da}
.visual img{position:relative;width:100%;max-width:440px;height:auto;filter:drop-shadow(0 20px 24px rgba(16,33,29,.17))}
.visual-chip,.round-power{position:absolute;right:0;top:40px;width:120px;height:120px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-content:center;text-align:center;font-weight:850;font-size:26px;line-height:1.1}
.visual-chip small,.round-power small{font-size:11px;font-weight:600;display:block}
.catalog-grid .visual{min-height:340px}
.proof{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #d7dcd5;margin:40px 0 0;padding-top:22px;gap:16px}
.proof dd{display:block;font-size:23px;line-height:1.2;font-weight:800;margin:0}
.proof dt{font-size:13px;color:var(--muted)}
.proof div{display:flex;flex-direction:column-reverse}
.stat-panel{background:var(--brand);color:#fff;min-height:300px;padding:36px;display:flex;flex-direction:column;justify-content:flex-end}
.stat-panel strong{font-size:96px;line-height:.85;letter-spacing:-.04em}
.stat-panel b{font-size:22px;margin-top:14px}
.stat-panel p{font-size:14px;color:#cae2da;margin:8px 0 0}

/* model hero + facts strip */
.model-hero-grid{display:grid;grid-template-columns:1fr .8fr;gap:48px;align-items:center;padding-top:20px}
.model-hero h1{font-size:clamp(38px,5vw,64px);line-height:.98;letter-spacing:-.045em;margin:16px 0 22px}
.model-visual{position:relative;min-height:380px;display:flex;align-items:center;justify-content:center}
.model-visual img{width:100%;max-width:440px}
.model-visual .round-power{top:auto;bottom:24px}
.facts-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;margin:0}
.facts-strip div{padding:22px 24px;border-right:1px solid var(--line)}
.facts-strip div:last-child{border:0}
.facts-strip dt{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}
.facts-strip dd{margin:4px 0 0;font-size:19px;font-weight:800}

/* solution hero + calculator card */
.solution-grid{display:grid;grid-template-columns:1fr 380px;gap:64px;align-items:center;padding-top:26px}
.solution-hero h1{font-size:clamp(38px,5.2vw,68px);line-height:.98;letter-spacing:-.045em;margin:16px 0 22px}
.calc-card{background:#fff;padding:30px;box-shadow:var(--shadow)}
.calc-card h2{font-size:22px;margin:6px 0 10px;letter-spacing:0}
.field{display:grid;gap:6px;margin-top:14px;font-size:14px;font-weight:800}
.field input,.field select{height:50px;border:1px solid var(--line);padding:0 12px;background:#fff;color:var(--ink);font-weight:500;width:100%}
.result{margin-top:18px;background:var(--brand);color:#fff;padding:20px}
.result small{display:block;font-size:12px;text-transform:uppercase;letter-spacing:1px;color:#cae2da}
.result b{font-size:32px;line-height:1.2}
.calc-note{font-size:13px;color:var(--muted);margin:12px 0 0}

/* service hero (dark) */
.service-hero{background:var(--ink);color:#fff;padding-bottom:70px}
.service-hero .crumbs,.service-hero .crumbs a{color:#91a39d}
.service-grid{display:grid;grid-template-columns:1fr .9fr;gap:70px;align-items:center;padding-top:26px}
.service-grid h1{font-size:clamp(40px,5.6vw,76px);line-height:.97;letter-spacing:-.045em;margin:16px 0 22px}
.service-grid .lead{color:#a7b6b1}
.service-list{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.14)}
.service-list li{display:grid;grid-template-columns:48px 1fr auto;align-items:center;min-height:80px;border-bottom:1px solid rgba(255,255,255,.14);font-size:17px;font-weight:700}
.service-list span{color:#78918a;font-weight:600}
.service-list b{color:var(--accent)}

/* article head + layout */
.article-head{padding:0 0 64px}
.article-head h1{font-size:clamp(36px,5vw,70px);line-height:1;letter-spacing:-.045em;max-width:960px;margin:22px 0}
.article-head .eyebrow{margin-top:38px}
.article-meta{display:flex;flex-wrap:wrap;gap:22px;color:var(--muted);font-size:14px;margin-top:26px}
.article-layout{display:grid;grid-template-columns:220px minmax(0,1fr) 280px;gap:48px;align-items:start}
.article-layout .prose{max-width:720px}
.toc{border-left:2px solid var(--line);padding-left:18px;position:sticky;top:20px}
.toc b{font-size:12px;text-transform:uppercase;letter-spacing:1px}
.toc a{display:block;color:var(--muted);font-size:14px;margin-top:12px;text-decoration:none;line-height:1.35}
.toc a:hover{color:var(--brand)}
.article-aside{background:var(--ink);color:#fff;padding:26px;position:sticky;top:20px}
.article-aside small{color:#8bc8b6;text-transform:uppercase;font-size:12px;letter-spacing:1px}
.article-aside h2{font-size:24px;margin:14px 0 8px;letter-spacing:0}
.article-aside p{font-size:14px;color:#a7b6b1}
.article-aside .btn{width:100%;justify-content:center;margin-top:12px}

/* body copy */
.prose>*:first-child{margin-top:0}
.prose h2{font-size:clamp(28px,3.2vw,40px);line-height:1.05;letter-spacing:-.04em;margin:56px 0 16px}
.prose h3{font-size:22px;line-height:1.25;margin:32px 0 10px}
.prose p,.prose li{color:#34433f}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin-bottom:6px}
.prose blockquote,.callout{background:var(--lime);padding:22px 24px;margin:28px 0;border:0}
.prose blockquote p{margin:0}
.prose table{border-collapse:collapse;width:100%;margin:24px 0;font-size:16px;background:#fff;border:1px solid var(--line)}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:14px 16px;text-align:left;vertical-align:top}
.prose thead th{background:#eef2ef;color:var(--muted);text-transform:uppercase;font-size:12px;letter-spacing:1px}
.source,.source-box{border-left:3px solid var(--brand);padding:14px 18px;background:var(--surface);font-size:14px;color:var(--muted);margin:16px 0}
.content-section{padding:72px 0}
.content-section .prose{max-width:780px}

/* sections */
.section{padding:80px 0}
.section.soft{background:var(--surface)}
.section.dark{background:var(--ink);color:#fff}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:36px}
.section-head h2{font-size:clamp(30px,3.6vw,44px);line-height:1.04;letter-spacing:-.045em;margin:10px 0 0}
.section-head p{max-width:420px;color:var(--muted);font-size:15px;margin:0}
.dark .section-head p{color:#9cada7}

/* trust band */
.trust-band{background:var(--lime);padding:38px 0}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin:0}
.trust-grid div{border-left:1px solid rgba(16,33,29,.2);padding-left:20px;display:flex;flex-direction:column-reverse;justify-content:flex-end}
.trust-grid dd{display:block;font-size:24px;font-weight:800;margin:0;line-height:1.2}
.trust-grid dt{font-size:13px;color:#50615b;margin-top:4px}

/* category cards (home types) */
.cards{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.category{min-height:260px;height:100%;padding:30px;background:#f7f8f5;border:1px solid var(--line);display:flex;flex-direction:column;color:var(--ink);text-decoration:none}
.cards li:nth-child(2) .category{background:var(--ink);color:#fff}
.cards li:nth-child(3) .category{background:var(--lime)}
.category small{color:var(--brand);font-size:12px;text-transform:uppercase;font-weight:800;letter-spacing:1px}
.cards li:nth-child(2) .category small{color:#8bc8b6}
.category strong{font-size:30px;margin:48px 0 8px;letter-spacing:-.02em;line-height:1.1}
.category span{font-size:15px;color:var(--muted)}
.cards li:nth-child(2) .category span{color:#9dada7}
.category b{margin-top:auto;padding-top:16px;color:var(--accent);font-size:22px}
.category:hover{color:inherit;box-shadow:var(--shadow)}
.cards li:nth-child(2) .category:hover{color:#fff}

/* product cards */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
.filter{border:1px solid var(--line);background:#fff;min-height:44px;padding:0 16px;font-size:14px;cursor:pointer;color:var(--ink)}
.filter[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.products{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.products li[hidden]{display:none}
.product{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;height:100%}
.product-image{height:210px;background:#f9faf8;padding:22px;position:relative;display:flex;align-items:center;justify-content:center}
.product-image img{max-height:100%;width:auto}
.badge{position:absolute;left:16px;top:16px;background:var(--brand);color:#fff;padding:6px 10px;font-size:11px;text-transform:uppercase;font-weight:850;letter-spacing:.5px}
.product-body{padding:22px;display:flex;flex-direction:column;flex:1}
.product-body>small{color:var(--brand);font-size:12px;text-transform:uppercase;font-weight:800;letter-spacing:1px}
.product h3{font-size:23px;line-height:1.2;margin:6px 0 16px}
.model-codes{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;display:grid;gap:6px;margin:0}
.model-codes div{font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:12px}
.model-codes dd{margin:0;color:var(--ink);font-weight:800;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.mini-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:14px 0;margin:0}
.mini-specs div{display:flex;flex-direction:column-reverse;justify-content:flex-end}
.mini-specs dt{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.mini-specs dd{margin:0;font-size:14px;font-weight:800}
.product-link{margin-top:auto;display:flex;justify-content:space-between;background:var(--ink);color:#fff;padding:14px 16px;font-size:14px;text-decoration:none;font-weight:800}
.product-link:hover{background:var(--brand);color:#fff}
.product-link.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.product-link.ghost:hover{border-color:var(--ink);color:var(--ink)}
.products-note{font-size:14px;color:var(--muted);margin-top:18px}

/* split layout with filter panel (category) */
.split-layout{display:grid;grid-template-columns:260px 1fr;gap:28px}
.filter-panel{border:1px solid var(--line);padding:24px;align-self:start;background:#fff}
.filter-panel h2{margin:0 0 16px;font-size:20px;letter-spacing:0}
.filter-group{border:0;border-top:1px solid var(--line);padding:16px 0 4px;margin:0}
.filter-group legend{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:1px;padding:0;float:left;width:100%;margin-bottom:6px}
.check{display:flex;gap:10px;align-items:center;font-size:15px;margin-top:10px;color:var(--muted);cursor:pointer;clear:both}
.check input{width:18px;height:18px;accent-color:var(--brand)}
.split-layout .products{grid-template-columns:repeat(2,1fr)}

/* compare (dark) */
.compare{display:grid;grid-template-columns:repeat(2,1fr);border:1px solid rgba(255,255,255,.14)}
.compare>div{padding:38px}
.compare>div+div{border-left:1px solid rgba(255,255,255,.14)}
.compare small{color:#8bc8b6;font-size:12px;text-transform:uppercase;font-weight:800;letter-spacing:1px}
.compare h3{font-size:28px;margin:16px 0 8px}
.compare p{font-size:15px;color:#9cada7;margin:0}
.compare a{color:#8bc8b6}

/* matrix */
.matrix{border:1px solid var(--line);background:#fff;overflow-x:auto}
.matrix table{border-collapse:collapse;width:100%;min-width:560px}
.matrix th,.matrix td{padding:16px 18px;border-bottom:1px solid var(--line);font-size:15px;text-align:center}
.matrix th:first-child,.matrix td:first-child{text-align:left}
.matrix thead th{background:#eef2ef;color:var(--muted);text-transform:uppercase;font-size:12px;letter-spacing:1px}
.matrix tbody tr:last-child>*{border-bottom:0}
.matrix tbody th{font-weight:800}
.matrix td{font-weight:800}
.matrix a{color:var(--ink)}

/* spec table (model) */
.spec-table{border-top:1px solid var(--line);margin:0}
.spec-row{display:grid;grid-template-columns:1.2fr 1fr;padding:16px 0;border-bottom:1px solid var(--line);font-size:16px;gap:20px}
.spec-row dt{color:var(--muted)}
.spec-row dd{margin:0;font-weight:800;text-align:right}
.spec-group{font-size:12px;text-transform:uppercase;letter-spacing:1.4px;color:var(--brand);font-weight:850;margin:34px 0 4px}
.spec-group:first-child{margin-top:0}
.spec-cols{display:grid;grid-template-columns:1fr 1fr;gap:56px}

/* feature cards */
.feature-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.content-card{border:1px solid var(--line);background:#fff;padding:30px;min-height:240px;height:100%;display:flex;flex-direction:column}
.content-card .num{font-size:13px;color:var(--brand);font-weight:850;text-align:left}
.content-card h3{font-size:24px;line-height:1.2;margin:40px 0 10px}
.content-card p{font-size:15px;line-height:1.65;color:var(--muted);margin:0}
.content-card a{margin-top:auto;padding-top:18px;color:var(--accent-strong);font-size:15px;font-weight:850;text-decoration:none}

/* process timeline */
.timeline{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.timeline li{min-height:200px;padding:26px;border-left:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between;gap:16px}
.timeline li:last-child{border-right:1px solid var(--line)}
.timeline span{font-size:13px;color:var(--brand);font-weight:850}
.timeline h3{font-size:21px;line-height:1.3;margin:0}
.timeline p{font-size:14px;color:var(--muted);margin:0}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:56px}
.faq-copy h2{font-size:clamp(30px,3.6vw,46px);line-height:1.05;letter-spacing:-.045em;margin:10px 0}
.faq-copy p{font-size:15px;color:var(--muted)}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{list-style:none;min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:18px;font-weight:800;cursor:pointer;padding:14px 0}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";color:var(--brand);font-size:26px;font-weight:600;flex:none}
.faq-list details[open] summary:after{content:"−"}
.faq-list .answer{margin:0 48px 22px 0;color:var(--muted);font-size:16px;line-height:1.7}

/* related */
.related{background:var(--cream);padding:64px 0}
.related-links{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.related-links a{background:#fff;border:1px solid var(--line);min-height:104px;padding:22px;display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:16px;font-weight:800;color:var(--ink);text-decoration:none;height:100%}
.related-links a:hover{border-color:var(--brand);color:var(--ink)}
.related-links b{color:var(--accent)}
.related-links small{display:block;font-size:13px;font-weight:500;color:var(--muted);margin-top:4px}

/* CTA panel with the lead form */
.cta-wide{padding:72px 0}
.cta-panel{background:var(--brand);color:#fff;padding:48px 52px;display:grid;grid-template-columns:1fr 460px;gap:48px;align-items:start}
.cta-panel h2{font-size:clamp(30px,3.4vw,44px);line-height:1.05;letter-spacing:-.04em;margin:12px 0}
.cta-panel p{font-size:16px;color:#c8e0d8;max-width:560px}
.cta-panel a{color:#fff}
.lead-form{background:#fff;color:var(--ink);padding:26px;display:grid;gap:14px}
.lead-form label{display:grid;gap:6px;font-weight:800;font-size:14px}
.lead-form input,.lead-form select,.lead-form textarea{min-height:48px;padding:10px 12px;border:1px solid #b8c4bf;background:#fff;color:var(--ink);width:100%;font-weight:400}
.lead-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.lead-form .consent{display:flex;gap:10px;align-items:flex-start;font-weight:500}
.lead-form .consent input{width:20px;min-height:20px;margin-top:3px;flex:none}
.lead-form .consent a{color:var(--brand)}
.lead-form .hp{position:absolute;left:-9999px}
.lead-form .btn{justify-content:center}
.form-error{background:#fdecea;color:var(--danger);padding:10px 12px;margin:0}

/* footer */
.full-footer{background:var(--ink);color:#fff;padding:60px 0 26px}
.full-footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:36px}
.full-footer .logo{color:#fff;margin-bottom:14px}
.full-footer h2{margin:0 0 14px;font-size:15px;letter-spacing:0}
.full-footer a,.full-footer p{display:block;color:#96a8a2;font-size:14px;margin:8px 0;text-decoration:none}
.full-footer a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;margin-top:40px;font-size:13px;color:#96a8a2}

/* tablet */
@media (max-width:1020px){
  .products,.cards,.feature-grid,.related-links{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .timeline li{border-bottom:1px solid var(--line)}
  .article-layout{grid-template-columns:200px 1fr}
  .article-aside{display:none}
  .nav{gap:16px}
  .hero-grid,.catalog-grid,.solution-grid,.model-hero-grid,.service-grid{gap:32px}
  .cta-panel,.spec-cols{grid-template-columns:1fr}
  .spec-cols{gap:0}
}
/* mobile */
@media (max-width:760px){
  body{font-size:16px}
  .shell{width:calc(100% - 32px)}
  .topline{display:none}
  .site-header .shell{min-height:64px;gap:14px;flex-wrap:wrap}
  .nav{order:3;width:100%;margin:0 0 8px;gap:18px;overflow-x:auto}
  .mega{position:static}
  .mega-panel{grid-template-columns:1fr 1fr;padding:20px 16px}
  .site-cta{margin-left:auto;padding:0;width:48px;height:48px;display:grid;place-content:center;font-size:0}
  .site-cta:after{content:"→";font-size:20px}
  .prose table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .prose th,.prose td{min-width:120px}
  .hero-grid,.catalog-grid,.model-hero-grid,.solution-grid,.service-grid,.faq-grid,.cta-panel,.split-layout{grid-template-columns:1fr;gap:28px}
  .hero-grid{min-height:auto;padding-top:20px}
  .visual,.catalog-grid .visual,.model-visual{min-height:260px}
  .visual-chip,.round-power{width:96px;height:96px;font-size:21px}
  .proof,.cards,.products,.split-layout .products,.facts-strip,.feature-grid,.timeline,.trust-grid,.related-links,.full-footer-grid{grid-template-columns:1fr}
  .facts-strip div,.trust-grid div{border-right:0;border-left:0;padding-left:0;border-bottom:1px solid var(--line)}
  .facts-strip div{padding:14px 18px}
  .trust-grid div{border-bottom-color:rgba(16,33,29,.2);padding:12px 0}
  .timeline li{min-height:auto;border-right:1px solid var(--line)}
  .section{padding:52px 0}
  .section-head{display:block}
  .section-head p{margin-top:10px}
  .filter-panel{display:none}
  .compare{grid-template-columns:1fr}
  .compare>div+div{border-left:0;border-top:1px solid rgba(255,255,255,.14)}
  .article-layout{display:block}
  .toc{position:static;margin-bottom:26px}
  .cta-panel{padding:30px 22px}
  .lead-form .form-row{grid-template-columns:1fr}
  .stat-panel{min-height:auto}
  .stat-panel strong{font-size:72px}
  .spec-row{grid-template-columns:1fr;gap:4px}
  .spec-row dd{text-align:left}
}