:root{--why-dark:#13251f;--why-deep:#0f3d3d;--why-paper:#f3ecdc;--why-cream:#fff8eb;--why-coral:#ef735a;--why-gold:#d59a55;--why-ink:#1d332d;--why-muted:#7d7569;--why-line:#c6b79c}
body.all-air-why-page{background:var(--why-paper);color:var(--why-ink)}
.all-air-why-page:before{opacity:.13}
.why-nav{position:fixed;inset:0 0 auto;z-index:30;height:78px;padding:0 5.5vw;display:flex;align-items:center;gap:3.5vw;color:#f5ead7;background:#13251ff0;border-bottom:1px solid #ffffff1f;backdrop-filter:blur(14px)}
.why-nav .brand img{width:174px;filter:brightness(0) saturate(100%) invert(88%) sepia(14%) saturate(430%) hue-rotate(347deg) brightness(98%) contrast(91%);opacity:.9}
.why-nav .brand span{color:#d5b184}
.why-nav nav{margin-left:auto;display:flex;gap:2.2vw}.why-nav nav a{font-size:12px;text-decoration:none;color:#cec5b8}.why-nav nav a:hover{color:#fff}
.why-mark{font:9px Georgia,serif;letter-spacing:2px;color:#e2b37b;border-left:1px solid #ffffff30;padding-left:24px;white-space:nowrap}
.why-hero{min-height:100vh;padding:145px 6vw 80px;position:relative;overflow:hidden;background:#122a23;color:#f8edda;display:grid;grid-template-columns:1.15fr .65fr;gap:10vw;align-items:center}
.why-hero:before{content:"";position:absolute;inset:0;background:url("assets/all-air-why/sleeping-baby-hero-v1.png") center/cover no-repeat;filter:saturate(.86) contrast(1.02);transform:scale(1.012)}
.why-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,34,28,.92) 0%,rgba(8,34,28,.78) 39%,rgba(8,34,28,.3) 61%,rgba(8,34,28,.76) 100%),linear-gradient(180deg,rgba(10,31,27,.26),rgba(10,31,27,.58));pointer-events:none}
.hero-field{position:absolute;z-index:1;inset:78px 0 0;opacity:.22}.hero-field i{position:absolute;width:48vw;height:48vw;border:1px solid #d4b5822b;border-radius:50%}.hero-field i:nth-child(1){right:-8vw;top:-16vw}.hero-field i:nth-child(2){right:5vw;top:-4vw}.hero-field i:nth-child(3){right:18vw;top:8vw}
.why-hero .hero-copy,.why-hero aside{position:relative;z-index:1}.kicker,.comfort-intro header>span,.metabolism-story>div>span,.air-age-copy>span,.why-system header>span,.outlet-copy>span,.six-results header>span,.design-proof>div>span,.why-cta>span{font:11px Georgia,serif;letter-spacing:3px;color:var(--why-gold)}
.why-hero h1{font:500 clamp(64px,7vw,112px)/1.08 Georgia,"Songti SC",serif;letter-spacing:-5px;margin:25px 0 30px}.why-hero h1 em{font-style:normal;color:#efbc81}
.why-hero .hero-copy>p{max-width:720px;font-size:16px;line-height:2;color:#d2c9bd}.why-hero .hero-copy>a{display:inline-block;margin-top:26px;color:#efb779;font-size:12px;text-underline-offset:7px}
.why-hero aside{border-left:1px solid #ffffff32;padding:20px 0 20px 34px}.why-hero aside>strong{font:34px Georgia,"Songti SC",serif}.why-hero aside>p{font-size:13px;line-height:2;color:#b8b4aa;margin:20px 0 38px}.why-hero aside>div{display:grid;grid-template-columns:45px 1fr;align-items:center;border-top:1px solid #ffffff20;padding:16px 0}.why-hero aside span{font:italic 15px Georgia;color:#e29a5b}.why-hero aside b{font-size:13px}
.paper{background-color:var(--why-paper);background-image:linear-gradient(90deg,#fff5 1px,transparent 1px),linear-gradient(#fff4 1px,transparent 1px);background-size:72px 72px}
.comfort-intro{padding:115px 7vw 90px}.comfort-intro>header{display:grid;grid-template-columns:.75fr 1.25fr;gap:9vw;align-items:start}.comfort-intro h2,.why-system h2,.six-results h2,.design-proof h2{font:500 clamp(42px,5vw,76px)/1.25 Georgia,"Songti SC",serif;margin:16px 0 0;letter-spacing:-2px}.comfort-lead{margin:70px 0 60px auto;max-width:820px;display:grid;grid-template-columns:1fr 1fr;gap:55px;color:var(--why-muted);font-size:14px;line-height:2}.comfort-equation{border-top:1px solid var(--why-line);border-bottom:1px solid var(--why-line);padding:28px 0;display:flex;align-items:center;justify-content:space-between;gap:12px}.comfort-equation span{font:20px Georgia,"Songti SC",serif}.comfort-equation i{font-style:normal;color:#b16641}
.metabolism-story{position:relative;height:calc(100svh - 78px);min-height:620px;max-height:900px;background:#0f3d3d;color:#f8edda;overflow:hidden}.metabolism-story figure{position:absolute;inset:0;margin:0;overflow:hidden}.metabolism-story img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}.metabolism-story>div{position:relative;z-index:1;width:min(36vw,600px);height:100%;min-width:0;padding:clamp(38px,6vh,72px) 5vw;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(90deg,rgba(6,53,54,.96) 0%,rgba(6,53,54,.84) 72%,rgba(6,53,54,0) 100%)}.metabolism-story h2,.air-age h2{font:500 clamp(38px,4.3vw,64px)/1.18 Georgia,"Songti SC",serif;margin:18px 0 22px}.metabolism-story p{font-size:14px;line-height:2;color:#d4d0c5}.metabolism-story blockquote{margin:32px 0 0;border-left:3px solid var(--why-coral);padding:5px 0 5px 24px;font:22px/1.55 Georgia,"Songti SC",serif;color:#edcfaa}
.metabolism-story h2{font-size:clamp(28px,2.8vw,42px);line-height:1.24;letter-spacing:-1px}
.air-age{height:calc(100svh - 78px);min-height:620px;max-height:900px;display:grid;grid-template-columns:.8fr 1.2fr;background:#e6d8bd;overflow:hidden}.air-age-copy{min-width:0;padding:clamp(38px,6vh,72px) 5vw;display:flex;flex-direction:column;justify-content:center}.air-age-copy>p{font-size:14px;line-height:2;color:#746d62}.air-age ul{list-style:none;margin:32px 0 0;padding:0;border-top:1px solid #9f8c72}.air-age li{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:14px 0;border-bottom:1px solid #b7a78f}.air-age li b{font:18px Georgia,"Songti SC",serif}.air-age li span{font-size:12px;color:#786e62}.air-age figure{margin:0;height:100%;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#e8dfcf}.air-age img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}
#comfort,#air-age,#system{scroll-margin-top:78px}
.why-system{padding:115px 7vw}.why-system>header{display:grid;grid-template-columns:1fr .65fr;gap:10vw;align-items:end}.why-system>header p{line-height:2;color:var(--why-muted)}.system-contrast{margin-top:70px;display:grid;grid-template-columns:1fr 160px 1fr;border-top:1px solid var(--why-line);border-bottom:1px solid var(--why-line)}.system-contrast article{padding:48px 30px}.system-contrast article small{color:#9e6544;letter-spacing:2px}.system-contrast h3{font:36px/1.45 Georgia,"Songti SC",serif;margin:22px 0}.system-contrast p{font-size:13px;line-height:2;color:#736c62}.system-contrast .preferred{background:var(--why-dark);color:#f7ead5}.system-contrast .preferred p{color:#bcb6ab}.system-line{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;color:#9b6d4d;font-size:10px;text-align:center}.system-line i{width:1px;flex:1;background:var(--why-line)}
.outlet-installation{min-height:calc(100svh - 78px);padding:72px 5vw;background:#e8dfcf;display:grid;grid-template-columns:.7fr 1.3fr;gap:4vw;align-items:stretch}.outlet-copy{display:flex;flex-direction:column;justify-content:center}.outlet-copy h2{font:500 clamp(40px,4.3vw,68px)/1.2 Georgia,"Songti SC",serif;margin:20px 0 28px;letter-spacing:-2px}.outlet-copy>p{font-size:14px;line-height:2;color:#746d62}.outlet-copy ul{list-style:none;margin:32px 0 0;padding:0;border-top:1px solid #a9977e}.outlet-copy li{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:15px 0;border-bottom:1px solid #bbaa92}.outlet-copy li b{font:17px Georgia,"Songti SC",serif}.outlet-copy li span{font-size:12px;line-height:1.7;color:#756c61}.outlet-collage{margin:0;min-height:620px;display:grid;grid-template-columns:1.2fr .8fr .8fr;grid-template-rows:1fr 1fr;gap:8px;overflow:hidden}.outlet-collage img{display:block;width:100%;height:100%;object-fit:cover}.outlet-collage img:first-child{grid-row:1/3}.outlet-collage img:nth-child(2),.outlet-collage img:nth-child(3),.outlet-collage img:nth-child(4),.outlet-collage img:nth-child(5){object-position:center top}
.six-results{height:calc(100svh - 78px);min-height:680px;max-height:900px;padding:clamp(42px,5.5vh,68px) 6vw;background:#142820;color:#f5ead8;display:flex;flex-direction:column;overflow:hidden}.six-results>header{display:grid;grid-template-columns:.65fr 1.2fr;gap:8vw;align-items:center}.six-results h2{font-size:clamp(38px,4vw,58px);line-height:1.17;margin:0;letter-spacing:-1px}.six-results ol{list-style:none;margin:clamp(24px,3.5vh,40px) 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(2,minmax(0,1fr));flex:1;min-height:0;border-top:1px solid #ffffff2d;border-left:1px solid #ffffff2d}.six-results li{min-height:0;padding:clamp(16px,2.2vh,24px);border-right:1px solid #ffffff2d;border-bottom:1px solid #ffffff2d}.six-results li span{font:italic 14px Georgia;color:#d39259}.six-results li b{display:block;font:24px Georgia,"Songti SC",serif;margin:clamp(14px,2vh,24px) 0 8px}.six-results li p{font-size:12px;line-height:1.65;color:#a9a59b;max-width:300px;margin:0}
.design-proof{padding:90px 7vw}.design-proof .design-head{display:grid;grid-template-columns:.8fr 1fr;grid-template-rows:auto 1fr auto;column-gap:10vw;align-items:center}.design-head>span{grid-column:1;grid-row:1}.design-head h2{grid-column:2;grid-row:1/4;align-self:center}.design-head>p{grid-column:1;grid-row:3;line-height:2;color:var(--why-muted);margin:24px 0 0}.design-score{grid-column:1;grid-row:2;display:flex;align-items:flex-end;gap:20px;margin:18px 0 12px;color:#a85634}.design-score strong{display:flex;align-items:flex-start;font:italic 500 clamp(90px,10vw,164px)/.85 Georgia,serif;letter-spacing:-10px}.design-score strong em{font-size:.5em;line-height:1.2;margin:8px 6px 0 0}.design-score strong sup{font-size:.3em;line-height:1;margin:5px 0 0 5px;letter-spacing:0}.design-score b{max-width:160px;padding:0 0 10px;font:500 18px/1.55 Georgia,"Songti SC",serif;color:#16362e;border-bottom:2px solid #d77c56}.proof-flow{margin-top:55px;border-top:1px solid var(--why-line);border-bottom:1px solid var(--why-line);padding:28px 0;display:flex;justify-content:space-between;align-items:center}.proof-flow span{font:18px Georgia,"Songti SC",serif}.proof-flow i{font-style:normal;color:#b56b46}
.why-cta{padding:120px 8vw;background:linear-gradient(115deg,#0f3d3d 0 62%,#293b2e 62%);color:#f7ead7}.why-cta h2{font:500 clamp(50px,5.8vw,88px)/1.22 Georgia,"Songti SC",serif;margin:20px 0}.why-cta p{color:#aaa69c}.why-cta>div{display:flex;gap:15px;margin-top:35px}
@media(max-width:900px){.why-nav nav{display:none}.why-hero,.air-age{grid-template-columns:1fr}.why-hero{padding-top:125px}.why-hero aside{max-width:560px}.comfort-intro>header,.why-system>header,.six-results>header{grid-template-columns:1fr}.design-proof .design-head{grid-template-columns:1fr;grid-template-rows:auto}.design-head>span,.design-score,.design-head h2,.design-head>p{grid-column:1;grid-row:auto}.design-head h2{margin-top:40px}.system-contrast{grid-template-columns:1fr}.system-line{display:none}.six-results{height:auto;min-height:0;max-height:none;overflow:visible}.six-results h2{margin-top:24px}.six-results ol{grid-template-columns:1fr 1fr;grid-template-rows:auto;flex:none}.metabolism-story{height:720px;min-height:0;max-height:none}.metabolism-story>div{width:min(62vw,520px)}.air-age{height:auto;min-height:0;max-height:none}.air-age figure{height:auto;aspect-ratio:4/3;order:-1}.comfort-lead{margin-left:0}}
@media(max-width:900px){.outlet-installation{grid-template-columns:1fr;padding:70px 6vw}.outlet-collage{min-height:560px}}
@media(max-width:650px){.why-nav{height:66px;padding:0 16px}.why-nav .brand img{width:140px}.why-nav .brand span,.why-mark{display:none}.why-hero{min-height:auto;padding:120px 22px 75px}.why-hero h1{font-size:56px;letter-spacing:-2px}.why-hero{grid-template-columns:1fr}.why-hero aside{margin-top:35px;padding-left:22px}.comfort-intro,.why-system,.six-results,.design-proof{padding:75px 20px}.comfort-intro h2,.why-system h2,.six-results h2,.design-proof h2{font-size:42px}.comfort-lead{grid-template-columns:1fr;gap:20px;margin:45px 0}.comfort-equation{display:grid;grid-template-columns:1fr auto 1fr}.comfort-equation span{font-size:17px}.metabolism-story{height:680px}.metabolism-story>div{width:78%;padding:55px 22px;background:linear-gradient(90deg,rgba(6,53,54,.97) 0%,rgba(6,53,54,.82) 80%,rgba(6,53,54,0) 100%)}.air-age-copy{padding:55px 22px}.metabolism-story h2{font-size:34px}.air-age h2{font-size:42px}.air-age li{grid-template-columns:1fr}.system-contrast article{padding:35px 20px}.six-results ol{grid-template-columns:1fr}.six-results li{min-height:170px}.proof-flow{align-items:flex-start;flex-direction:column;gap:12px}.proof-flow i{transform:rotate(90deg)}.why-cta{padding:80px 22px}.why-cta h2{font-size:48px}.why-cta>div{align-items:flex-start;flex-direction:column}}
@media(max-width:650px){.outlet-installation{padding:65px 20px}.outlet-copy li{grid-template-columns:1fr;gap:5px}.outlet-collage{min-height:0;grid-template-columns:1fr 1fr;grid-template-rows:280px 190px 190px}.outlet-collage img:first-child{grid-column:1/3;grid-row:1}.outlet-copy h2{font-size:40px}}