@font-face{font-family:Nimbus;src:url('./assets/NimbusSans-Regular.woff') format('woff');font-weight:400;font-display:swap}
@font-face{font-family:Nimbus;src:url('./assets/NimbusSans-Bold.woff') format('woff');font-weight:700;font-display:swap}
@font-face{font-family:'Nimbus Narrow';src:url('./assets/NimbusSansNarrow-Bold.woff') format('woff');font-weight:700;font-display:swap}
:root{--ink:#07151c;--paper:#f0eee8;--white:#fff;--red:#e5252d;--blue:#7fdbe0;--muted:#53656d;--line:rgba(7,21,28,.18);--line-dark:rgba(255,255,255,.22);--gutter:clamp(24px,4vw,64px);--ease:cubic-bezier(.2,.74,.24,1)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px;background:var(--ink)}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1rem/1.5 Nimbus,Arial,sans-serif;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-underline-offset:4px}
button{font:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #3299b0;outline-offset:5px}
.skip-link{position:fixed;z-index:150;top:-100px;left:16px;padding:12px;background:white;color:var(--ink)}
.skip-link:focus{top:12px}
.site-header{position:fixed;z-index:100;inset:0 0 auto;height:72px;padding:0 var(--gutter);display:grid;grid-template-columns:1fr auto 1fr;gap:20px;align-items:center;background:var(--ink);color:white;border-bottom:1px solid var(--line-dark)}
.brand{width:155px;height:39px;display:block}
.brand img{width:100%;height:100%;object-fit:contain}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:.875rem;text-decoration:none;white-space:nowrap;color:rgba(255,255,255,.75);padding:10px 0}
.nav-links a:hover,.nav-links a[aria-current=page]{color:white}
.nav-links a[aria-current=page]{border-bottom:2px solid var(--red)}
.header-cta{justify-self:end;font-size:.875rem;text-decoration:none;border-bottom:2px solid var(--red);padding:10px 0}
.hero{display:grid;grid-template-columns:1fr 1.12fr;gap:4vw;align-items:center;padding:112px var(--gutter) 50px;min-height:610px;background:var(--ink);color:white}
.hero-copy{min-width:0}
.section-label{margin:0 0 18px;display:flex;align-items:center;gap:12px;font-size:.875rem;font-weight:700;letter-spacing:.06em;color:var(--muted)}
.section-label:before{content:'';width:26px;height:3px;background:var(--red);flex-shrink:0}
.section-label.light{color:rgba(255,255,255,.72)}
h1,h2{margin:0;font:700 clamp(2.8rem,4.5vw,4.7rem)/1.03 'Nimbus Narrow',Arial,sans-serif;letter-spacing:-.025em}
h2{font-size:clamp(2.4rem,3.7vw,3.8rem)}
h1 em,h2 em{color:var(--red);font-style:normal}
.hero-intro{margin:22px 0 24px;max-width:600px;font-size:1.1rem;line-height:1.5;color:rgba(255,255,255,.82)}
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px}
.button{min-height:48px;padding:13px 18px;display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;font-size:.9375rem;font-weight:700;text-decoration:none;text-align:center;line-height:1.35;transition:background .2s}
.button-red{background:var(--red);color:white}
.button-red:hover{background:#bd1d25}
.button-white{background:white;color:var(--ink)}
.button-white:hover{background:#e8e8e8}
.quiet-link{font-size:.9375rem}
.hero-facts{margin:26px 0 0;padding-top:18px;border-top:1px solid var(--line-dark);display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.hero-facts dt{font-weight:700;font-size:.9375rem}
.hero-facts dd{margin:4px 0 0;font-size:.875rem;color:rgba(255,255,255,.65)}
.video-shell{position:relative;overflow:hidden;background:#050b0e;isolation:isolate;aspect-ratio:16/9;align-self:center;width:100%}
.video-poster,.video-player,.video-player iframe,.video-overlay{position:absolute;inset:0;width:100%;height:100%}
.video-poster{z-index:1;object-fit:cover;transition:opacity .4s}
.video-player{z-index:0;pointer-events:none}
.video-player iframe{border:0}
.video-shell.has-started .video-player{z-index:2}
.video-shell.has-started .video-poster{opacity:0}
.video-shell.has-error .video-poster{opacity:1}
.video-shell.has-error .video-player{z-index:0}
.video-overlay{z-index:3;pointer-events:none;background:linear-gradient(transparent 60%,rgba(7,21,28,.8))}
.video-caption{position:absolute;z-index:4;bottom:16px;left:16px;display:flex;gap:10px;color:white;pointer-events:none}
.video-caption>span{display:none}
.video-caption div{display:flex;flex-direction:column}
.video-caption strong{font-size:.875rem}
.video-caption small{font-size:.8125rem;color:rgba(255,255,255,.8)}
.video-shell.has-started .illustration-note{display:none}
.video-control{position:absolute;z-index:5;right:14px;top:14px;padding:9px 11px;border:1px solid rgba(255,255,255,.65);color:white;background:rgba(7,21,28,.85);font-size:.875rem;cursor:pointer}
.video-fallback{position:absolute;z-index:5;right:14px;bottom:17px;color:white;font-size:.875rem}
.editorial-section{position:relative;padding:66px var(--gutter) 48px}
.section-index{position:absolute;top:22px;left:var(--gutter);color:var(--muted);font-size:.8125rem}
.dark-section{background:var(--ink);color:white}
.dark-section .section-index{color:rgba(255,255,255,.5)}
.large-copy{margin:0;font-size:1.1rem;line-height:1.55;color:var(--muted)}
.light-copy{color:rgba(255,255,255,.77)}
.stakes{display:grid;grid-template-columns:1fr 1.1fr;gap:5vw;align-items:center}
.response-benefits{margin-top:22px;display:grid;gap:14px}
.response-benefits article{border-top:1px solid var(--line);padding-top:14px;display:flex;gap:16px}
.response-benefits article>span{color:var(--red);font-size:.875rem}
.response-benefits h3{margin:0 0 5px;font-size:1.05rem}
.response-benefits p{margin:0;color:var(--muted);font-size:1rem;line-height:1.45}
.bmfs{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px 5vw;align-items:center}
.bmfs-visual{margin:0;min-width:0}
.product-stage{height:390px;display:grid;place-items:center;background:var(--paper);overflow:hidden}
.product-stage img{max-height:355px;width:94%;object-fit:contain}
.cabinet-stage{background:#10232b;height:450px}
.cabinet-stage img{width:100%;height:100%;max-height:none;object-fit:contain}
.image-note{margin:10px 0 0;color:rgba(255,255,255,.65);font-size:.875rem;line-height:1.4}
.bmfs-copy .large-copy{margin-top:18px}
.feature-lines{margin-top:20px;border-top:1px solid var(--line-dark)}
.feature-lines article{padding:13px 0;display:grid;grid-template-columns:25px 1fr;gap:12px;border-bottom:1px solid var(--line-dark)}
.feature-lines article>span{color:var(--red);font-size:.875rem}
.feature-lines h3{margin:0 0 4px;font-size:1.05rem}
.feature-lines p{margin:0;color:rgba(255,255,255,.72);font-size:1rem;line-height:1.4}
.document-link{margin-top:20px;padding:12px;display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;border:1px solid var(--line-dark);text-decoration:none}
.document-link:hover{border-color:var(--blue)}
.doc-mark{display:grid;place-items:center;width:40px;height:40px;background:var(--red);color:white;font-size:.875rem;font-weight:700}
.document-link>span:nth-child(2){display:flex;flex-direction:column;gap:3px}
.document-link strong{font-size:.9375rem}
.document-link small{font-size:.875rem;color:rgba(255,255,255,.65)}
.document-link b{font-size:.875rem}
.technical-details{grid-column:1/-1;padding-top:16px;border-top:1px solid var(--line-dark);color:rgba(255,255,255,.8)}
.technical-details summary{font-size:.9375rem;cursor:pointer;font-weight:700;padding:4px 0}
.technical-details p{margin:16px 0 0;font-size:1rem;line-height:1.5}
.spec-strip{display:grid;grid-template-columns:repeat(5,1fr);margin:20px 0 0;border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark)}
.spec-strip div{padding:16px 12px;border-right:1px solid var(--line-dark)}
.spec-strip div:last-child{border:0}
.spec-strip dt{font-size:1.6rem;color:var(--blue);font-weight:700;line-height:1.2}
.spec-strip dd{margin:6px 0 0;font-size:.875rem}
.water-intro{display:grid;grid-template-columns:1fr 1fr;gap:0 5vw;align-items:center}
.water-intro .section-label{grid-column:1/-1}
.water-learning{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;margin-top:28px}
.water-demo,.fire-triangle-panel{border:1px solid var(--line);padding:20px;background:white;min-width:0}
.learning-steps{display:flex;gap:6px}
.learning-steps button{flex:1;padding:10px 6px;border:1px solid var(--line);background:white;color:var(--ink);font-size:.875rem;font-weight:700;cursor:pointer}
.learning-steps button[aria-pressed=true]{background:var(--ink);color:white}
.surface-comparison{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.surface-comparison>div{display:flex;flex-direction:column;align-items:center}
.surface-comparison>div+div{border-left:1px solid var(--line)}
.surface-comparison span{font-size:.9375rem;font-weight:700}
.surface-comparison svg{width:130px;height:60px}
.surface-comparison small{font-size:.875rem;color:var(--muted);text-align:center}
.mechanism-diagram{display:block;width:100%;height:135px}
.mechanism-diagram text{font:700 23px Nimbus,sans-serif;fill:var(--red)}
.stream-drop{fill:#3299b0;animation:mistTravel 2.8s linear infinite;animation-delay:var(--delay);animation-play-state:paused}
@keyframes mistTravel{0%{transform:translate(0,0);opacity:0}10%{opacity:.9}85%{opacity:.9}100%{transform:translate(var(--tx),var(--ty));opacity:0}}
.energy-transfer,.vapor-transfer{opacity:0;transition:opacity .3s}
.water-demo[data-stage='1'] .energy-transfer,.water-demo[data-stage='2'] .energy-transfer,.water-demo[data-stage='2'] .vapor-transfer{opacity:1}
.energy-transfer path{animation:energyTravel 1.5s linear infinite;animation-play-state:paused}
@keyframes energyTravel{to{stroke-dashoffset:22}}
.vapor-dot{fill:#8baab2;fill-opacity:.28;animation:vaporRise 3.5s ease-out infinite;animation-play-state:paused}
@keyframes vaporRise{from{transform:translateY(0);opacity:.55}to{transform:translateY(-58px) scale(1.15);opacity:0}}
.water-demo.is-visible .stream-drop,.water-demo.is-visible .energy-transfer path,.water-demo.is-visible .vapor-dot{animation-play-state:running}
.mechanism-caption{margin:0;font-size:1rem;line-height:1.45;min-height:4.35em;color:var(--muted)}
.mechanism-caption strong{color:var(--ink)}
.diagram-note{margin:12px 0 0;font-size:.8125rem;line-height:1.4;color:var(--muted)}
.triangle-title{margin:0;font-weight:700;font-size:1rem}
.fire-triangle{display:block;width:100%;height:180px;margin:12px 0}
.fire-triangle text{font:700 18px Nimbus,sans-serif;fill:var(--ink)}
.heat-node,.oxygen-node{fill:#66777c;transition:fill .3s}
.fire-triangle-panel[data-stage='1'] .heat-node,.fire-triangle-panel[data-stage='2'] .heat-node{fill:var(--red)}
.fire-triangle-panel[data-stage='2'] .oxygen-node{fill:#3299b0}
.triangle-effects p{margin:0;padding:12px 0;border-top:1px solid var(--line);font-size:1rem;line-height:1.45;display:block;color:var(--muted)}
.triangle-effects span{display:inline-block;width:8px;height:8px;margin-right:8px;background:#66777c;border-radius:50%}
.fire-triangle-panel[data-stage='1'] .heat-effect span,.fire-triangle-panel[data-stage='2'] .heat-effect span{background:var(--red)}
.fire-triangle-panel[data-stage='2'] .oxygen-effect span{background:#3299b0}
.water-outcomes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:26px}
.water-outcomes article{border-top:1px solid var(--line);padding-top:14px;position:relative;padding-left:30px}
.water-outcomes span{position:absolute;left:0;top:17px;color:var(--red);font-size:.875rem}
.water-outcomes h3{font-size:1.05rem;margin:0 0 5px}
.water-outcomes p{margin:0;font-size:1rem;line-height:1.45;color:var(--muted)}
.deployment{display:grid;grid-template-columns:1fr 1fr;gap:24px 5vw;align-items:center}
.deployment-copy .large-copy{margin-top:20px}
.deployment-map{border-top:1px solid var(--line-dark)}
.deployment-map article{padding:17px 0;display:grid;grid-template-columns:24px 1fr;gap:14px;border-bottom:1px solid var(--line-dark)}
.deployment-map article>span{color:var(--red);font-size:.875rem}
.deployment-map h3{margin:0 0 5px;font-size:1.1rem}
.deployment-map p{margin:0;color:rgba(255,255,255,.73);font-size:1rem}
.deployment-map b{display:none}
.product-alternative{grid-column:1/-1;margin:0;padding-top:15px;border-top:1px solid var(--line-dark);font-size:.9375rem;color:rgba(255,255,255,.75)}
.contact{padding:54px var(--gutter);background:var(--red);color:white;text-align:center}
.contact-inner{max-width:900px;margin:auto}
.contact .section-label{justify-content:center;color:rgba(255,255,255,.8)}
.contact .section-label:before{background:white}
.contact h2{font-size:clamp(2.4rem,4vw,4rem)}
.contact-inner>p:not(.section-label){max-width:640px;margin:18px auto 24px;font-size:1.05rem}
.email-link{display:block;width:max-content;margin:16px auto 0;font-size:1rem}
footer{padding:28px var(--gutter);display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:28px;background:var(--ink);color:rgba(255,255,255,.65);font-size:.875rem}
footer img{width:155px}
footer p{margin:0}
.mobile-cta{display:none}
.inline-link{display:inline-block;margin-top:18px}
.technology-link{display:grid;grid-template-columns:1fr 1fr;gap:5vw;align-items:center}
.technology-link .button{margin-top:24px}
.technology-link .inline-link{display:block}
.firestop-equipment h2{font-size:clamp(2.4rem,3.6vw,3.6rem)}
.firestop-product-stage img{max-height:350px}
/* Content is visible by default, even when third-party scripts fail. */
@media(min-width:1001px) and (max-height:760px){
 .hero{min-height:0;padding-top:100px;padding-bottom:38px}
 h1{font-size:clamp(2.7rem,4.1vw,4.15rem)}
 .editorial-section{padding-top:58px;padding-bottom:42px}
 .cabinet-stage{height:410px}
 .water-demo,.fire-triangle-panel{padding:16px}
 .surface-comparison{margin-top:14px}
 .surface-comparison svg{height:44px}
 .mechanism-diagram{height:112px}
 .fire-triangle{height:165px;margin:8px 0}
}
@media(max-width:1100px){
 .site-header{grid-template-columns:1fr auto}.header-cta{display:none}
 .nav-links{gap:22px}
 .document-link{grid-template-columns:auto 1fr}.document-link b{display:none}
 .video-caption small{display:none}
 footer{grid-template-columns:1fr auto}footer p:last-child{display:none}
}
@media(max-width:1000px){
 .hero{gap:30px;grid-template-columns:1fr 1fr;min-height:0;padding-top:106px}
 h1{font-size:3.1rem}
 .hero-actions{gap:12px}.hero-facts{gap:10px}
 .hero-facts dt{font-size:.875rem}
 .bmfs{grid-template-columns:.8fr 1.2fr;gap:22px 30px}
 .cabinet-stage{height:410px}
 .water-learning{grid-template-columns:1.25fr 1fr;gap:16px}
 .water-demo,.fire-triangle-panel{padding:16px}
 .learning-steps{flex-wrap:wrap}.learning-steps button{font-size:.8125rem}
 .mechanism-caption{min-height:5.8em}
 .spec-strip dt{font-size:1.25rem}
}
@media(max-width:760px){
 :root{--gutter:22px}
 .hero{grid-template-columns:1fr;padding-top:104px;padding-bottom:38px;gap:28px}
 h1{font-size:clamp(2.8rem,7.4vw,3.5rem)}h2{font-size:2.6rem}
 .hero-intro{margin:18px 0 20px}
 .hero-facts{margin-top:22px}
 .hero-media{max-width:640px;margin:auto}
 .video-caption small{display:block}
 .editorial-section{padding-top:52px;padding-bottom:38px}
 .stakes,.bmfs,.deployment,.water-intro,.water-learning,.technology-link{grid-template-columns:1fr;gap:24px}
 .bmfs-copy{order:1}.bmfs-visual{order:2}.technical-details{order:3}
 .cabinet-stage{height:410px}
 .water-intro .section-label{margin:0}.water-intro{gap:16px}
 .water-learning{margin-top:24px}
 .fire-triangle-panel{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;align-items:center}
 .triangle-title{grid-column:1/-1}.fire-triangle{margin:0;height:175px}
 .mechanism-caption{min-height:0}
 .water-outcomes{grid-template-columns:1fr;gap:16px}
 .spec-strip{grid-template-columns:1fr 1fr}.spec-strip div{border-bottom:1px solid var(--line-dark)}
 .spec-strip div:nth-child(even){border-right:0}
 .product-alternative{grid-row:auto}
 .contact{padding:42px var(--gutter)}
 footer{grid-template-columns:1fr;gap:18px;padding-bottom:100px}
 .mobile-cta{position:fixed;z-index:120;left:12px;right:12px;bottom:12px;min-height:48px;display:flex;align-items:center;justify-content:center;background:var(--red);color:white;font-size:.9375rem;font-weight:700;text-decoration:none;padding:10px;box-shadow:0 6px 24px rgba(0,0,0,.3)}
}
@media(max-width:480px){
 .site-header{height:64px;padding-inline:16px;gap:12px}
 .brand{width:100px;height:26px}.nav-links{gap:12px}.nav-links a{font-size:.875rem}
 .hero{padding-top:92px;gap:24px}
 h1{font-size:2.8rem}h2{font-size:2.4rem}
 .hero-intro,.large-copy{font-size:1rem}
 .hero-actions .button{width:100%}
 .hero-facts dd{font-size:.8125rem}
 .video-caption{left:12px;bottom:12px}
 .video-control{right:10px;top:10px;font-size:.8125rem}
 .video-fallback{right:12px;bottom:12px;font-size:.8125rem}
 .video-caption small{display:none}
 .cabinet-stage{height:380px}
 .fire-triangle-panel{display:block}.triangle-title{margin-bottom:12px}.fire-triangle{height:180px;margin-bottom:12px}
 .learning-steps button{min-height:44px}
 .mechanism-diagram{height:115px}
 .surface-comparison svg{height:50px}
 .surface-comparison small{font-size:.8125rem}
 .contact h2{font-size:2.5rem}
 .firestop-product-stage{height:310px}.firestop-product-stage img{max-height:280px}
}
@media(max-width:360px){.site-header{padding-inline:12px}.brand{width:84px;height:22px}.nav-links{gap:8px}.nav-links a{font-size:.8125rem}}
@media(prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}
 .stream-drop{opacity:0}.mist-stream .stream-drop:nth-child(4n){opacity:.9;transform:translate(var(--tx),var(--ty))}
 .vapor-dot{opacity:.5}
}
.comparison-wide{margin-top:28px;padding:22px;background:white;border:1px solid var(--line);gap:24px}
.comparison-wide>div{display:grid;grid-template-columns:1fr 150px 1fr;gap:20px;align-items:center}
.comparison-wide>div+div{padding-left:24px}
.comparison-wide svg{width:150px;height:64px}
.comparison-wide small{text-align:left;font-size:1rem}
.comparison-wide span{font-size:1.1rem}
.comparison-note{margin:16px 0 0;color:var(--muted);font-size:1rem;line-height:1.5}
.water-mechanisms{background:#e5e5de}
.water-mechanisms h2{font-size:clamp(2.4rem,3.3vw,3.4rem)}
.water-mechanisms .water-learning{margin-top:24px}
.water-mechanisms .mechanism-diagram{height:175px}
@media(min-width:1001px) and (max-height:760px){.water-mechanisms .mechanism-diagram{height:135px}}
@media(max-width:1000px){.comparison-wide>div{grid-template-columns:1fr}.comparison-wide small{text-align:center}.comparison-wide svg{justify-self:center}.comparison-wide span{text-align:center}}
@media(max-width:760px){.comparison-wide{margin-top:20px;padding:18px;gap:18px}.comparison-wide>div+div{padding-left:18px}.water-mechanisms .mechanism-diagram{height:150px}}
.firestop-hero .video-poster{object-fit:contain}
.firestop-hero~.stakes .response-benefits article{display:block}
@media(max-width:1100px){.hero-actions .button{font-size:.875rem}}
.editorial-section{padding-top:56px;padding-bottom:44px}
.feature-lines article{padding-block:10px}
.bmfs-copy h2{font-size:clamp(2.4rem,3.6vw,3.6rem)}
@media(max-width:760px){.editorial-section{padding-top:50px;padding-bottom:38px}}

/* Full brochure scenes: natural proportions, no fixed grid track clipping. */
.product-detail-section{grid-template-columns:minmax(240px,360px) minmax(0,1fr);gap:clamp(32px,6vw,90px);align-items:center}
.product-detail-section .bmfs-visual{width:100%;max-width:360px;justify-self:center}
.product-detail-section .product-stage{display:block;height:auto;overflow:visible;background:transparent}
.product-detail-section .product-stage img{display:block;width:100%;height:auto;max-height:none;object-fit:contain}
.product-detail-section .technical-details{margin-top:20px;padding-top:14px}
.product-detail-section .spec-strip dt{font-size:1.25rem}
.product-detail-section .spec-strip div{padding:12px 8px}
.water-hero .video-poster{object-fit:contain}
.water-prose{margin:20px 0 0;color:var(--muted);font-size:1rem;line-height:1.6}
.water-actions h2{max-width:650px}
.water-action-grid{display:grid;grid-template-columns:1fr 1fr;gap:5vw;margin-top:30px}
.water-action-grid article{border-top:1px solid var(--line-dark);padding-top:20px}
.water-action-grid span{font-size:.875rem;letter-spacing:.06em;color:var(--blue)}
.water-action-grid h3{font-size:1.35rem;margin:14px 0 10px;line-height:1.3}
.water-action-grid p{margin:0;max-width:540px;color:rgba(255,255,255,.78);line-height:1.6}
.water-footnote{margin:28px 0 0;color:rgba(255,255,255,.6);font-size:.875rem}
.water-product-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.water-product-links .button{margin-top:0}
.water-outline{border-color:var(--ink)}
@media(max-width:760px){.product-detail-section{grid-template-columns:1fr;gap:28px}.product-detail-section .bmfs-visual{order:0;max-width:330px}.water-action-grid{grid-template-columns:1fr;gap:24px}.water-product-links .button{width:100%}}
@media(max-width:480px){.nav-links{gap:10px}.nav-links a{font-size:.75rem}.brand{width:88px}.product-detail-section .bmfs-visual{max-width:290px}}

/* Beige implantation band separates it from the product section. */
.deployment{background:var(--paper);color:var(--ink)}
.deployment-map,.deployment-map article,.deployment .product-alternative{border-color:var(--line)}
.deployment-map p,.deployment .product-alternative{color:var(--muted)}

/* Water Mist editorial page: one concept per band. */
.mist-photo{margin:0;align-self:center;border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);padding:22px 0}
.mist-photo img{width:100%;height:auto}
.mist-photo figcaption{display:flex;flex-direction:column;gap:6px;margin-top:18px}
.mist-photo figcaption span,.exchange-caption{font-size:.75rem;font-weight:700;letter-spacing:.08em}
.mist-photo figcaption small{font-size:.875rem;color:rgba(255,255,255,.65)}
.water-hero h1{font-size:clamp(2.8rem,4.2vw,4.35rem)}
.mist-principle-heading h2{font-size:clamp(2.4rem,3.4vw,3.5rem)}
.mist-principle-body{display:grid;grid-template-columns:1fr 1.1fr;gap:5vw;align-items:center;margin-top:30px}
.mist-explanation p{font-size:1.1rem;line-height:1.6;color:var(--muted);margin:0}
.mist-explanation p+p{margin-top:20px}
.exchange-figure{border-top:1px solid var(--line);padding-top:18px}
.exchange-caption{color:var(--muted)}
.exchange-panels{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:12px}
.exchange-panels>div{display:flex;flex-direction:column;align-items:center;text-align:center}
.exchange-panels>div+div{border-left:1px solid var(--line);padding-left:20px}
.exchange-panels svg{display:block;width:100%;height:auto;max-height:150px}
.exchange-panels strong{font-size:1rem;margin-top:6px}
.exchange-panels span{font-size:.875rem;color:var(--muted);margin-top:5px}
.exchange-figure>p{font-size:.75rem;line-height:1.45;color:var(--muted);margin:18px 0 0}
.mist-effects-body{display:grid;grid-template-columns:1fr 1.1fr;gap:5vw;align-items:center;margin-top:28px}
.triangle-editorial svg{width:100%;display:block;max-height:330px}
.triangle-name{font:700 16px Nimbus,sans-serif;fill:white;letter-spacing:1px}
.triangle-center{font:700 27px 'Nimbus Narrow',sans-serif;fill:white}
.triangle-subtitle{font:400 13px Nimbus,sans-serif;fill:#a7b3b8}
.triangle-action{font:400 14px Nimbus,sans-serif}
.heat-color{color:var(--red);fill:var(--red)}
.oxygen-color{color:var(--blue);fill:var(--blue)}
.mist-effect-copy article{border-top:1px solid var(--line-dark);padding:18px 0}
.mist-effect-copy article+article{margin-top:6px}
.mist-effect-copy span{font-size:.8125rem;font-weight:700;letter-spacing:.06em}
.mist-effect-copy h3{font-size:1.3rem;line-height:1.3;margin:10px 0}
.mist-effect-copy p{font-size:1.05rem;line-height:1.55;color:rgba(255,255,255,.77);margin:0}
.mist-benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:30px}
.mist-benefit-grid article{border-top:1px solid var(--line);padding-top:18px}
.mist-benefit-grid span{color:var(--red);font-size:.875rem}
.mist-benefit-grid h3{font-size:1.2rem;margin:12px 0 8px}
.mist-benefit-grid p{margin:0;color:var(--muted);font-size:1.05rem;line-height:1.5}
.mist-selection{display:flex;align-items:center;justify-content:space-between;gap:28px;border-top:1px solid var(--line);padding-top:24px;margin-top:30px}
.mist-selection>p{max-width:390px;margin:0;color:var(--muted)}
.mist-selection .water-product-links{margin:0}
@media(max-width:1000px){.mist-selection{display:block}.mist-selection .water-product-links{margin-top:20px}}
@media(max-width:760px){.mist-principle-body,.mist-effects-body{grid-template-columns:1fr;gap:24px}.mist-benefit-grid{grid-template-columns:1fr;gap:24px}.triangle-editorial{max-width:460px;width:100%;margin:auto}.mist-explanation p{font-size:1rem}.mist-photo{padding:18px 0}.water-hero h1{font-size:2.8rem}}
@media(max-width:480px){.exchange-panels{gap:12px}.exchange-panels>div+div{padding-left:12px}.exchange-panels span{font-size:.8125rem}.triangle-name{font-size:15px}.mist-effect-copy p,.mist-benefit-grid p{font-size:1rem}}
/* Stronger contrast for small red labels, retaining the brand color on large headings. */
.response-benefits article>span,.deployment-map article>span,.mist-benefit-grid span{color:#bd1d25}
.dark-section .feature-lines article>span,.dark-section .heat-color{color:#ff646a}
.dark-section svg .heat-color{fill:#ff646a}

/* Corrections issues de la mesure Lighthouse. */
footer img{height:auto}
.contact .section-label.light{color:#fff}
footer p:last-child{display:block}
@media(max-width:1100px) and (min-width:761px){footer{grid-template-columns:1fr auto}footer p:last-child{grid-column:1/-1}}