/* A category-specific extension of the Architectural Workshop world. */
main:has(.hidden-page){max-width:none;padding:0;min-height:0}.hidden-page{--hd-max:1440px;color:var(--ink);overflow:clip}.hidden-page [hidden]{display:none!important}.hidden-page h1,.hidden-page h2,.hidden-page h3{font-weight:400;letter-spacing:-.03em;text-wrap:balance}.hidden-page h2{font-size:clamp(32px,3.5vw,52px);line-height:1.12;margin:0 0 24px}.hidden-page h3{font-size:26px;line-height:1.25;margin:0 0 20px}.hidden-page p{line-height:1.65;max-width:65ch}.hidden-page figure{margin:0}.hidden-page img{display:block;max-width:100%}.hidden-page button,.hidden-page a{touch-action:manipulation}.hidden-page button{font:inherit;cursor:pointer}.hidden-page :focus-visible{outline:3px solid var(--focus);outline-offset:5px}.hidden-page button:disabled{cursor:wait;opacity:.65}.hd-hero{position:relative;min-height:660px;height:calc(100svh - 146px);max-height:940px;background:var(--paper)}.hd-hero-image{width:100%;height:100%;object-fit:cover;object-position:50% 52%}.hd-hero-copy{position:absolute;left:5%;bottom:56px;background:#fff;padding:32px 36px;max-width:460px}.hd-hero h1{font-size:clamp(38px,3.4vw,54px);line-height:1.06;margin:0 0 18px}.hd-hero h1 span{font-size:.71em;display:inline-block;margin-top:12px}.hd-hero-copy p{color:var(--muted);margin:0 0 24px;font-size:16px}.hd-button{display:inline-flex;align-items:center;justify-content:space-between;gap:20px;min-height:52px;background:var(--orange);color:var(--ink);border:0;border-radius:4px;padding:15px 20px;text-decoration:none;font-size:14px;font-weight:600}.hd-button:hover{background:#df8045}.hd-button svg,.hd-text-link svg,.hd-chat svg{flex:none}.hd-photo-credit{position:absolute;right:5%;bottom:20px;background:#fff;padding:6px 10px;color:var(--muted);font-size:11px}.hd-nav{display:flex;justify-content:center;gap:48px;border-bottom:1px solid var(--line);padding:22px 5%;background:white}.hd-nav button{border:0;background:transparent;color:var(--ink);padding:8px 0;font-size:14px}.hd-nav button:hover{color:var(--focus)}.hd-section{max-width:var(--hd-max);padding:100px 5% 0;margin:0 auto;scroll-margin-top:28px}.hd-section-heading{display:grid;grid-template-columns:1fr 1fr;gap:9%;align-items:end;margin-bottom:38px}.hd-section-heading h2{margin:0}.hd-section-heading p{margin:0;color:var(--muted);max-width:44ch;font-size:17px}.hd-finish-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:7%;align-items:center}.hd-finish-layout figure img{width:100%;height:auto;aspect-ratio:1.12;object-fit:cover}.hd-finish-layout figcaption{font-size:12px;color:var(--muted);padding-top:12px}.hd-tabs{display:flex;border-bottom:1px solid var(--line);gap:30px;margin-bottom:36px}.hd-tabs button{padding:16px 0;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--muted);font-size:18px}.hd-tabs button[aria-pressed=true]{border-color:var(--ink);color:var(--ink)}.hd-finish-copy>div>p{font-size:17px}.hd-note{font-size:13px!important;color:var(--muted)}.hd-text-link{display:inline-flex;align-items:center;gap:20px;border:0;border-bottom:1px solid var(--ink);background:transparent;padding:14px 0;color:var(--ink);margin-top:18px;text-align:left}.hd-text-link:hover{color:var(--focus);border-color:var(--focus)}.hd-mirror-options{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.hd-mirror-options button{border:1px solid transparent;background:white;padding:5px;color:var(--ink);text-align:left}.hd-mirror-options button[aria-pressed=true]{border-color:var(--ink)}.hd-mirror-options img{aspect-ratio:1;width:100%;height:auto}.hd-mirror-options span{display:block;font-size:11px;line-height:1.4;margin-top:8px}.hd-finish-copy fieldset{border:0;padding:0;margin:24px 0 0;min-width:0}.hd-finish-copy legend{font-size:14px;margin-bottom:12px}.hd-construction{margin-top:100px;padding-top:72px;padding-bottom:72px;background:var(--paper);display:grid;grid-template-columns:1fr 1fr;gap:8%}.hd-intro{color:var(--muted);font-size:17px}.hd-construction dl{margin-top:36px}.hd-construction dl>div{border-top:1px solid var(--line);padding:18px 0;display:grid;grid-template-columns:110px 1fr;gap:16px}.hd-construction dt{font-weight:600}.hd-construction dd{margin:0;color:var(--muted);font-size:14px}.hd-leaves{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-content:center}.hd-leaves figure{background:white;padding:20px 10px}.hd-leaves img{height:300px;width:100%;object-fit:contain}.hd-leaves figcaption{font-size:15px;text-align:center;margin-top:20px}.hd-leaves>p{grid-column:1/-1;font-size:12px;color:var(--muted);margin:0}.hd-nodes{display:grid;grid-template-columns:1fr 1fr;gap:36px}.hd-nodes figure{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:24px;border-top:1px solid var(--line);padding-top:24px}.hd-nodes img{width:100%;height:auto;aspect-ratio:3/4;object-fit:contain;background:var(--paper)}.hd-nodes h3{font-size:23px;margin:0 0 14px}.hd-nodes p{font-size:14px;color:var(--muted)}.hd-select-opening{background:white;border:1px solid var(--line);border-radius:4px;padding:12px;color:var(--ink);font-size:12px!important;text-align:left}.hd-select-opening[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:white}.hd-select-opening:hover{border-color:var(--ink)}.hd-quote{display:grid;grid-template-columns:1fr 1fr;gap:10%;background:var(--ink);color:white;margin-top:100px;padding-top:64px;padding-bottom:64px}.hd-quote h2{color:white}.hd-quote p{color:#dddfe6}.hd-quote-summary{font-size:18px;border-top:1px solid #555969;margin-top:32px;padding-top:22px;color:white!important}.hd-quote .hd-note{color:#c7cad4}.hd-quote h3{font-size:24px}.hd-quote-actions .hd-button{margin-top:16px}.hd-chat{display:flex;align-items:center;gap:18px;border:1px solid #8d91a2;border-radius:4px;background:transparent;color:white;padding:14px 18px;margin-top:18px;text-align:left;font-size:14px!important}.hd-chat:hover{background:#30384e}.hd-quote :focus-visible{outline-color:var(--orange)}.hd-model-links{display:grid;grid-template-columns:1fr 1fr;gap:36px}.hd-model-links a{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:30px 0;text-decoration:none}.hd-model-links a>span:first-child{font-size:30px}.hd-model-links a>span:last-child{display:flex;align-items:center;gap:12px;font-size:13px}.hd-model-links a:hover{color:var(--focus)}.hd-faq{display:grid;grid-template-columns:1fr 1.2fr;gap:10%;padding-bottom:90px}.hd-faq details{border-top:1px solid var(--line);padding:22px 0}.hd-faq details:last-child{border-bottom:1px solid var(--line)}.hd-faq summary{cursor:pointer;font-size:17px;padding-right:12px}.hd-faq p{font-size:14px;color:var(--muted)}.hd-source{display:block;padding:24px 5%;border-top:1px solid var(--line);font-size:12px;color:var(--muted);max-width:var(--hd-max);margin:auto}.hd-source a{color:inherit}
@media(min-width:1500px){.hd-hero-copy{left:max(5%,calc((100vw - 1296px)/2))}}@media(max-width:1100px){.hd-hero-copy{max-width:400px;padding:28px}.hd-nodes figure{grid-template-columns:1fr;align-content:start}.hd-nodes img{height:400px}.hd-leaves img{height:250px}.hd-finish-layout{gap:4%;grid-template-columns:1fr 1fr}.hd-mirror-options{grid-template-columns:repeat(2,minmax(0,1fr))}.hd-mirror-options img{max-height:95px;object-fit:contain}.hd-construction{gap:4%}.hd-tabs{gap:18px}.hd-tabs button{font-size:16px}}
@media(max-width:760px){.hd-hero{height:auto;min-height:0;max-height:none;background:white}.hd-hero-image{height:48svh;min-height:300px;max-height:460px;object-position:center}.hd-hero-copy{position:static;max-width:none;padding:30px 6% 34px}.hd-hero h1{font-size:42px;max-width:500px}.hd-hero h1 span{font-size:.75em}.hd-hero-copy p{max-width:36ch}.hd-photo-credit{top:16px;bottom:auto;right:16px;font-size:10px}.hd-nav{gap:26px;justify-content:flex-start;overflow-x:auto;padding:10px 6%;white-space:nowrap}.hd-nav button{font-size:12px}.hd-section{padding:62px 6% 0}.hd-section-heading{display:block;margin-bottom:28px}.hd-section-heading p{margin-top:18px;font-size:16px}.hd-finish-layout{display:flex;flex-direction:column;gap:24px;align-items:stretch}.hd-finish-layout figure img{aspect-ratio:1.2}.hd-tabs{margin-bottom:24px;gap:30px}.hd-tabs button{font-size:18px}.hd-mirror-options{grid-template-columns:repeat(4,minmax(0,1fr));gap:5px}.hd-mirror-options img{max-height:none}.hd-construction{margin-top:62px;padding-top:40px;padding-bottom:40px;display:block}.hd-leaves{margin-top:26px;gap:14px}.hd-leaves img{height:230px}.hd-construction dl>div{grid-template-columns:94px 1fr}.hd-nodes{gap:30px;grid-template-columns:1fr}.hd-nodes figure{grid-template-columns:.9fr 1fr;gap:20px}.hd-nodes img{height:auto}.hd-nodes h3{font-size:22px}.hd-quote{display:block;margin-top:62px;padding-top:40px;padding-bottom:40px}.hd-quote-actions{margin-top:40px}.hd-model-links{grid-template-columns:1fr;gap:0}.hd-model-links a{padding:24px 0}.hd-model-links a+a{border-top:0}.hd-model-links a>span:first-child{font-size:25px}.hd-faq{display:block;padding-bottom:60px}.hd-faq h2{margin-bottom:30px}.hd-source{display:block;padding:24px 6%}.hd-button{max-width:100%;font-size:13px;gap:12px}.hd-finish-copy>div>p{font-size:16px}}
@media(prefers-reduced-motion:reduce){.hidden-page *{scroll-behavior:auto!important;transition:none!important}}

/* Useful choices lead the specification; original assets keep their proportions. */
.hd-hero-copy{left:auto;right:5%;max-width:460px}.hd-hero-image{object-position:32% center}.hd-nav{gap:28px;overflow-x:auto;justify-content:flex-start}.hd-nav button{white-space:nowrap}.hd-comparison{display:block}.hd-compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}.hd-compare-grid article{min-width:0;display:flex;flex-direction:column}.hd-compare-grid figure{background:white;margin-bottom:28px;aspect-ratio:4/3;padding:24px}.hd-compare-grid figure img{width:100%;height:100%;object-fit:contain}.hd-compare-grid h3{margin-bottom:10px}.hd-purpose{font-weight:600;color:var(--ink);margin:0 0 15px}.hd-compare-grid ul{padding-left:20px;margin:0 0 28px;color:var(--muted);line-height:1.65}.hd-compare-grid li+li{margin-top:12px}.hd-choice{margin-top:auto;align-self:flex-start;border:1px solid var(--ink);border-radius:4px;background:white;color:var(--ink);padding:13px 20px;min-height:48px}.hd-choice[aria-pressed=true]{background:var(--ink);color:white}.hd-build-facts{display:grid;grid-template-columns:1fr 1fr;gap:60px;border-top:1px solid var(--line);margin-top:48px;padding-top:18px}.hd-build-facts strong,.hd-build-facts span{display:block}.hd-build-facts strong{font-size:20px;font-weight:400}.hd-build-facts span{font-size:14px;color:var(--muted);margin-top:10px}.hd-story{display:grid;grid-template-columns:1.3fr 1fr;gap:7%;align-items:center}.hd-story figure img{width:100%;aspect-ratio:3/2;object-fit:cover}.hd-story figcaption,.hd-profile figcaption,.hd-option-row figcaption{font-size:12px;color:var(--muted);padding-top:12px;line-height:1.5}.hd-profile-layout{display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:center}.hd-profile-layout figure img{aspect-ratio:1;width:100%;height:auto;object-fit:contain;background:var(--paper)}.hd-profile-colors{display:grid;grid-template-columns:1fr 1fr;gap:10px}.hd-profile-colors button{padding:15px;text-align:left;background:white;border:1px solid var(--line);border-radius:4px;color:var(--ink);min-height:48px}.hd-profile-colors button[aria-pressed=true]{background:var(--ink);color:white;border-color:var(--ink)}.hd-profile-colors button:hover:not(:disabled){border-color:var(--ink)}.hd-option-row{display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:center;padding:40px 0;border-top:1px solid var(--line)}.hd-option-row figure{width:100%;min-width:0}.hd-option-row figure img{width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;background:var(--paper)}.hd-option-select{display:flex;align-items:flex-start;gap:12px;margin-top:24px;font-size:15px;cursor:pointer}.hd-option-select input{appearance:auto;width:20px;height:20px;margin:2px 0 0;accent-color:var(--ink);flex:none}.hd-test-evidence{background:var(--paper);padding:32px}.hd-test-value{font-size:64px;line-height:1.1;letter-spacing:-.03em}.hd-test-value small{font-size:24px}.hd-test-evidence>p{margin-top:18px}.hd-test-evidence a{display:inline-flex;gap:10px;align-items:center;font-size:13px;text-decoration:underline}.hd-test-evidence .hd-note{margin-bottom:0}.hd-source-link{font-size:13px;text-decoration:underline}.hd-height{display:block;margin-top:26px;font-size:14px}.hd-height input{display:block;margin-top:10px;width:200px;max-width:100%;padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:4px;color:var(--ink);font:inherit}.hd-quote-summary{line-height:1.75}.hidden-page .hd-finish-layout figure img{aspect-ratio:3/2;object-fit:contain}.hidden-page .hd-nodes img{aspect-ratio:3/4;object-fit:contain}.hd-options>p{max-width:75ch}.hd-hero-copy h1 span{font-size:.66em}.hd-hero-copy h1{font-size:clamp(38px,3.4vw,54px)}
@media(max-width:760px){.hd-hero-copy{position:static;max-width:none}.hd-hero-image{object-position:29% center}.hd-compare-grid{grid-template-columns:1fr;gap:44px}.hd-compare-grid figure{aspect-ratio:4/3;max-height:320px}.hd-compare-grid figure img{height:100%}.hd-build-facts{grid-template-columns:1fr;gap:8px;margin-top:36px}.hd-story{display:flex;flex-direction:column;gap:28px;align-items:stretch}.hd-profile-layout{grid-template-columns:1fr;gap:26px}.hd-profile-colors{grid-template-columns:1fr 1fr}.hd-profile-colors button{font-size:13px}.hd-option-row{grid-template-columns:1fr;gap:28px;padding:30px 0}.hd-test-evidence{padding:24px}.hd-test-value{font-size:54px}.hd-nav{gap:26px}.hd-hero-copy h1{font-size:40px}.hd-hero-copy h1 span{font-size:.77em}.hd-hero-copy p{font-size:15px}}
/* Explicit media boxes keep source dimensions from changing the layout. */
.hd-compare-grid figure{height:340px;aspect-ratio:auto}.hd-compare-grid figure img{height:100%;width:100%;object-fit:contain}.hd-story figure img{height:auto;aspect-ratio:3/2;object-fit:contain}body:has(.hidden-page) .skip:not(:focus){clip-path:inset(50%);width:1px;height:1px;overflow:hidden}
@media(max-width:760px){.hd-compare-grid figure{height:280px;max-height:none}}
/* Prioritize the actual PE section, not its square source canvas. */
.hd-compare-grid{grid-template-columns:1.1fr 1fr}.hd-compare-grid figure{height:440px;display:flex;align-items:center;justify-content:center;overflow:hidden}.hd-leaf-primary figure img{height:100%;max-height:none;transform:scale(1.04)}.hd-leaf-alternative figure img{height:260px;max-height:260px;margin:auto}.hd-leaf-alternative .hd-purpose{color:var(--muted)}.hidden-page button:disabled{cursor:not-allowed;opacity:.55}
@media(max-width:760px){.hd-compare-grid{grid-template-columns:1fr}.hd-compare-grid figure{height:360px}.hd-leaf-primary figure img{transform:scale(1.04)}.hd-leaf-alternative figure img{height:210px;max-height:210px}}
/* Keep the supplied acoustic diagram and every callout legible, without cropping. */
.hd-acoustic{align-items:start}.hd-option-row .hd-acoustic-section img{height:auto;max-height:650px;aspect-ratio:auto;object-fit:contain;background:white}.hd-acoustic-section>a{display:block;background:white}.hd-acoustic .hd-test-evidence{margin-top:28px;padding:24px}.hd-acoustic .hd-test-value{font-size:36px}.hd-acoustic .hd-test-value small{font-size:20px}.hd-acoustic-section figcaption a{text-decoration:underline}
.hd-reverse-side{margin-top:30px;padding:28px;background:var(--paper)}.hd-reverse-side [role=group]{display:flex;flex-wrap:wrap;gap:12px}.hd-opening-help{margin-top:26px;border-top:1px solid var(--line);padding-top:20px}.hd-opening-help summary{cursor:pointer;font-size:17px}.hd-opening-schemes{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:22px}.hd-opening-schemes img{width:100%;height:auto;object-fit:contain}.hd-opening-schemes figcaption{font-size:12px;color:var(--muted);padding-top:10px}@media(max-width:760px){.hd-opening-schemes{grid-template-columns:1fr}.hd-reverse-side{padding:20px}}
.hd-profile-colors button{display:flex;align-items:center;gap:12px}.hd-profile-colors button img{order:-1;width:44px;height:44px;border-radius:50%;flex:none}.hd-profile-colors button span{flex:1}@media(max-width:760px){.hd-profile-colors button{padding:10px;gap:8px}.hd-profile-colors button img{width:34px;height:34px}}
/* «Почему алюминиевый каркас 0 PE» — внизу лендинга. */
.hd-aluminium{padding-bottom:90px}
.hd-aluminium-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 5%}
.hd-aluminium-grid>div{border-top:1px solid var(--line);padding:22px 0 26px}
.hd-aluminium-grid h3{margin:0 0 10px;font-size:17px}
.hd-aluminium-grid p{margin:0;font-size:14px;color:var(--muted)}
@media(max-width:1100px){.hd-aluminium-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.hd-aluminium{padding-bottom:60px}.hd-aluminium-grid{display:block}}