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@media(max-width:960px){.desktop-nav{display:none}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px}.menu-toggle span{display:block;width:20px;height:1.5px;background:var(--ink)}.site-header{height:84px}.mobile-menu:not([hidden]){display:grid;position:absolute;left:0;right:0;top:84px;background:var(--page);padding:18px 32px;border-bottom:1px solid var(--line);box-shadow:0 8px 30px #25384415}.mobile-menu a{padding:14px 0;font-size:14px;border-bottom:1px solid var(--line)}.hero-grid{grid-template-columns:1fr;min-height:0}.hero-copy{padding:46px 0 0;max-width:620px}.hero-copy h1{font-size:61px;letter-spacing:-2.7px}.hero-copy h1 br:last-of-type{display:none}.hero-description{max-width:400px}.hero-note{display:none}.house-area{width:82%;margin:0 0 30px auto;padding-top:15px}.scene-topline{display:none}.mode-switch{margin-top:0}.house-scene{margin-top:5px;width:calc(100% + 45px);margin-left:-30px}.house-detail{margin-top:-3px}.house-detail h2{font-size:14px}.house-detail p{font-size:11px}.detail-kicker{font-size:8px}.scene-caption{font-size:9px}.scene-caption button{font-size:9px}.hotspot-label{font-size:11px}.steps-strip{padding-block:23px}.steps-strip>div{gap:12px;padding-left:18px}.steps-strip strong{font-size:12px}.steps-strip p{font-size:9px}.section{padding-block:58px}.section-heading h2{font-size:31px}.symptoms{grid-template-columns:repeat(2,1fr)}.symptom{min-height:126px}.symptom span{font-size:14px}.symptom>svg{margin-bottom:12px}.diagnosis-result{gap:24px;padding:25px;grid-template-columns:1.1fr 1fr}.result-lead h3{font-size:19px}.result-lead p{font-size:11px}.result-steps{font-size:11px}.editorial{padding-top:0}.editorial-grid{gap:27px;grid-template-columns:1fr 1fr}.feature-image{height:238px}.compact-article{gap:15px;padding:22px 0}.compact-article>img{width:76px;height:78px}.compact-article h3{font-size:16px}.article-meta{font-size:7px}.feature-article h3{font-size:24px}.principle{gap:35px;padding-block:48px}.principle h2{font-size:33px}.principle-list h3{font-size:15px}.principle-list p{font-size:10px}.topic-grid{grid-template-columns:repeat(2,1fr);row-gap:32px}.faq{padding-top:0;gap:35px;grid-template-columns:.8fr 1.2fr}.faq h2{font-size:27px}.faq-list summary{font-size:12px}.footer-top{flex-wrap:wrap;gap:24px}.footer-top>div{width:100%}.footer-bottom{font-size:7px}}
@media(max-width:600px){:root{scroll-padding-top:20px}.container{width:calc(100% - 40px)}.site-header{height:76px}.header-inner{gap:10px}.brand{gap:8px}.brand>img{width:30px;height:34px}.brand>span{font-size:21px;letter-spacing:-1px}.brand small{font-size:6px;letter-spacing:1px;margin-top:6px}.header-cta{display:none}.header-actions{gap:4px}.icon-button{width:36px;height:38px}.mobile-menu:not([hidden]){top:76px;padding:15px 20px}.hero-copy{padding-top:34px}.hero-copy .eyebrow{font-size:7px;letter-spacing:1.2px;gap:7px}h1,.hero-copy h1{font-size:42px;line-height:1.105;letter-spacing:-1.9px;margin:23px 0 20px}.hero-copy h1 br:last-of-type{display:none}.hero-description{font-size:12px;line-height:1.85;max-width:320px}.hero-actions{gap:21px;margin-top:23px}.button{min-height:48px;font-size:11px;padding:14px 17px;gap:17px}.text-button{font-size:10px}.hero{background:radial-gradient(ellipse at 65% 65%,#edf2f4 0%,#f6f8f9 46%,#fbfcfc 85%)}.house-area{width:100%;padding-top:29px;margin-bottom:22px}.mode-switch{margin-left:auto;margin-right:auto;padding:4px}.mode-switch button{padding:10px 16px;font-size:10px}.house-scene{width:calc(100% + 28px);margin-left:-14px;margin-top:12px}.hotspot-point{width:25px;height:25px;font-size:17px;box-shadow:0 0 0 4px #ffffff30,0 2px 8px #25354420}.hotspot{gap:5px}.hotspot-label{font-size:8px;padding:5px 7px}.spot-window{left:19%;transform:translateX(-57%);top:46%}.spot-roof{left:56%;top:15%}.spot-heat{left:42%;top:59%}.spot-floor{left:64%;top:77%}.spot-floor .hotspot-label{display:none}.house-detail{margin-top:8px;padding:14px 13px;gap:11px;border-radius:8px;min-height:116px}.detail-kicker{font-size:6px;letter-spacing:1.1px}.house-detail h2{font-size:12px;margin:6px 0;line-height:1.45}.house-detail p{font-size:10px;line-height:1.7}.house-detail .detail-icon{width:31px;height:40px}.house-detail .detail-icon svg{width:22px;height:22px}.scene-caption{font-size:7px;gap:6px;margin-top:10px}.scene-caption button{font-size:7px;padding:7px 0}.legend-cool{margin-left:5px}.steps-strip{padding-block:20px;gap:12px;grid-template-columns:1fr}.steps-strip>div{padding:0;border:0;gap:12px;align-items:center}.steps-strip p{display:flex;gap:9px;font-size:8px;align-items:baseline;line-height:1.5}.steps-strip strong{font-size:10px;margin:0;min-width:117px}.steps-strip>div>span{font-size:8px;padding:0;align-self:auto}.section{padding-block:43px}.section-heading{display:block;margin-bottom:22px}.section-heading h2{font-size:29px;letter-spacing:-1px;margin-top:9px}.section-heading>p{font-size:11px;margin-top:15px}.section-heading>p br{display:none}.section .eyebrow{font-size:6px;letter-spacing:1.2px}.symptoms{gap:9px}.symptom{padding:16px 12px;min-height:139px;border-radius:7px}.symptom>svg{width:24px;height:24px;margin-bottom:18px}.symptom span{font-size:11px;line-height:1.65}.symptom i{right:12px;top:16px;font-size:14px}.diagnosis-result{grid-template-columns:1fr;padding:22px 19px;gap:18px;margin-top:11px}.small-label{font-size:7px}.result-lead h3{font-size:18px;line-height:1.4;margin-block:9px}.result-lead p{font-size:11px}.result-steps{gap:11px;font-size:11px}.result-link{font-size:11px;margin-top:2px}.editorial{padding-top:0}.editorial .section-heading{margin-bottom:24px}.editorial .section-heading h2{font-size:27px}.inline-link{display:inline-block;margin-top:15px;font-size:10px}.inline-link span{font-size:16px}.editorial-grid{grid-template-columns:1fr;gap:29px}.feature-image{height:223px}.feature-article>.article-meta{margin-top:16px}.feature-article h3{font-size:23px;letter-spacing:-.6px}.feature-article>p{font-size:11px}.image-label{left:12px;top:12px;font-size:6px}.list-title{font-size:7px;padding-bottom:14px}.compact-article{padding:20px 0;gap:17px}.compact-article h3{font-size:16px;max-width:220px;margin-top:8px}.compact-article>img{width:82px;height:80px}.article-meta{font-size:7px;letter-spacing:.6px}.principle{grid-template-columns:1fr;gap:34px;padding-block:40px}.principle h2{font-size:34px;margin-top:14px}.principle .eyebrow{font-size:7px}.principle>div>p:not(.eyebrow){font-size:11px}.principle .button{font-size:11px;margin-top:22px}.principle-list li{gap:17px;padding-block:18px}.principle-list h3{font-size:15px}.principle-list p{font-size:11px}.topic-grid{gap:24px 17px}.topic-grid>a{padding-bottom:19px}.topic-grid>a>svg{width:25px;height:25px;margin-bottom:13px}.topic-grid h3{font-size:14px}.topic-grid h3 span{font-size:16px}.topic-grid p{font-size:9px;line-height:1.7;margin-top:7px}.topics .section-heading h2{max-width:300px}.faq{padding-top:0;grid-template-columns:1fr;gap:27px}.faq h2{font-size:27px}.faq-list summary{font-size:12px;gap:20px}.faq-list p{font-size:11px}.faq-list details{padding:17px 0}.footer-top{padding-block:28px;gap:19px}.footer-top>p{font-size:10px;width:100%}.footer-top>div{font-size:9px;gap:18px;flex-wrap:wrap}.footer-bottom{padding-block:17px;font-size:7px}.footer-bottom>span:nth-child(2){display:none}dialog{padding:20px}.search-header h2{font-size:23px}.search-result{font-size:12px}.search-field input{font-size:11px}.search-field{padding:12px}}
@media(max-width:365px){.container{width:calc(100% - 32px)}.hero-copy h1{font-size:38px}.brand>span{font-size:19px}.hero-actions{gap:14px}.text-button{font-size:9px}.symptom span{font-size:10px}.steps-strip p{gap:7px;font-size:7.5px}.steps-strip strong{min-width:108px;font-size:9px}.scene-caption{font-size:6.5px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.site-header,.site-footer,.mode-switch,.scene-caption button,.hero-actions,.header-actions{display:none}.container{width:100%}.hero-grid{min-height:0}.section{padding-block:30px}.flow{animation:none}a{color:inherit}.hero-copy{padding-top:30px}body{background:white}}

@media(max-width:600px){.hero-copy h1 br:last-of-type{display:initial}.hotspot{min-width:44px}.spot-floor{justify-content:center}}

/* 25.09: full-width explanations requested by Denis. */
.hero-grid>.house-area{margin-bottom:0}
.hero .house-detail{grid-column:1 / -1;width:100%;margin:18px 0 0;padding:29px 32px;gap:24px;min-height:178px;align-items:flex-start;border-radius:10px}
.hero .house-detail>div{flex:1;min-width:0}
.hero .house-detail .detail-icon{width:56px;height:60px;border-radius:9px;margin-top:5px}
.hero .house-detail .detail-icon svg{width:34px;height:34px}
.hero .house-detail .detail-kicker{font-size:10px;letter-spacing:1.5px;line-height:1.8}
.hero .house-detail h2{font-size:24px;line-height:1.35;letter-spacing:-.5px;font-weight:550;margin:9px 0 12px}
.hero .house-detail p{font-size:17px;line-height:1.85;color:#60737d;max-width:1100px}
.hero .house-detail .detail-next{display:grid;place-content:center;align-self:center;font-size:29px;width:48px;height:48px;flex:none;padding:0;margin:0 0 0 5px;border:1px solid #dce5e8;border-radius:50%}
.hero .house-detail .detail-next:hover{background:#f6efe4}
.hero .scene-caption{grid-column:1 / -1;margin:13px 0 23px;width:100%;font-size:10px}
.hero .scene-caption button{font-size:10px}
@media(max-width:960px){.hero .house-detail{padding:25px;gap:19px;margin-top:20px}.hero .house-detail h2{font-size:22px}.hero .house-detail p{font-size:16px}.hero .house-detail .detail-icon{width:48px;height:53px}.hero .house-detail .detail-icon svg{width:29px;height:29px}}
@media(max-width:600px){.hero .house-detail{padding:22px 19px;gap:13px;margin-top:15px;display:grid;grid-template-columns:35px minmax(0,1fr);min-height:0}.hero .house-detail .detail-icon{width:34px;height:40px;margin-top:3px;border-radius:7px}.hero .house-detail .detail-icon svg{width:24px;height:24px}.hero .house-detail .detail-kicker{font-size:8px;letter-spacing:1px}.hero .house-detail h2{font-size:19px;line-height:1.45;letter-spacing:-.25px;margin:9px 0 12px}.hero .house-detail p{font-size:14px;line-height:1.9}.hero .house-detail .detail-next{grid-column:2;justify-self:end;width:40px;height:40px;font-size:24px;margin-top:1px}.hero .scene-caption{font-size:7px;margin:12px 0 20px}.hero .scene-caption button{font-size:7px}}