:root{
  --black:var(--tn-ink);
  --ink:#11110f;
  --paper:var(--tn-paper);
  --paper-2:var(--tn-paper-alt);
  --yellow:var(--tn-yellow);
  --red:var(--tn-red);
  --muted:var(--tn-muted);
  --line:var(--tn-line);
  --display:var(--tn-type-hero);
  --section:var(--tn-type-section);
  --wrap:var(--tn-site-width);
}
*{box-sizing:border-box}
html{width:100%;max-width:none;scroll-behavior:smooth}
body{width:100%;max-width:none;margin:0;background:var(--paper);color:var(--ink);font-family:var(--tn-font-sans);overflow-x:hidden}
main,.hero,.section,.final-cta{width:100%;max-width:none;margin-left:0;margin-right:0}
img{max-width:100%}
a{color:inherit}
.skip-link{position:fixed;z-index:9999;left:16px;top:16px;transform:translateY(-150%);padding:12px 16px;background:var(--yellow);color:#000;font-weight:900}
.skip-link:focus{transform:none}
.site-header{width:100%;max-width:none;height:var(--tn-header-height);margin:0;padding:0 5vw;display:grid;grid-template-columns:220px 1fr auto auto;align-items:center;gap:26px;background:rgba(5,5,5,.98);color:#fff;border-bottom:1px solid rgba(255,255,255,.12);position:relative;z-index:100}
.brand{display:flex;align-items:center;width:126px}
.brand img{display:block;width:100%;height:auto}
.site-nav{display:flex;justify-content:center;align-items:center;gap:38px}
.site-nav>a{position:relative;text-decoration:none;color:#d7d7d3;font-size:.85rem;padding:35px 0}
.site-nav>a:hover,.site-nav>a:focus-visible{color:var(--yellow)}
.site-nav>a[aria-current="page"]{color:var(--yellow)}
.site-nav>a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:24px;height:2px;background:var(--yellow)}
.nav-cta,.primary{display:inline-flex;justify-content:space-between;align-items:center;gap:26px;min-height:50px;padding:15px 20px;background:var(--yellow);color:#080808;text-decoration:none;font-weight:900;border:1px solid var(--yellow);transition:background .2s,color .2s,transform .2s}
.nav-cta:hover,.primary:hover{background:#fff;border-color:#fff;transform:translateY(-2px)}
.menu-toggle{display:none;width:48px;height:46px;background:#0b0b0b;border:1px solid #41413e;padding:12px;cursor:pointer}
.menu-toggle span{display:block;height:2px;background:var(--yellow);margin:5px 0}
.eyebrow{margin-bottom:24px}
.hero{min-height:calc(100svh - var(--tn-header-height));display:grid;grid-template-columns:minmax(560px,54%) 1fr;background:var(--black);color:#fff;border-bottom:7px solid var(--yellow)}
.hero__copy{position:relative;z-index:2;min-width:0;display:flex;flex-direction:column;justify-content:center;padding:72px 5vw 74px var(--tn-site-gutter);background:var(--black)}
.hero__copy::after{content:"";position:absolute;right:-36px;top:0;bottom:0;width:74px;background:var(--black);clip-path:polygon(0 0,50% 0,100% 100%,0 100%);z-index:-1}
.hero h1{max-width:690px;margin:0;text-wrap:balance}
.hero h1 span{color:var(--yellow)}
.hero__lead{max-width:650px;margin:26px 0 0;color:#d2d1cc}
.hero__actions{display:flex;align-items:center;gap:24px;margin-top:34px}
.text-link{display:inline-flex;align-items:center;gap:9px;padding:13px 0;border-bottom:1px solid var(--yellow);color:#fff;text-decoration:none;font-size:.9rem;font-weight:900}
.text-link:hover{color:var(--yellow)}
.hero__proof{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;min-width:0;max-width:690px;margin-top:38px;border:1px solid #32322f}
.hero__proof div{padding:14px 15px;border-right:1px solid #32322f}
.hero__proof div:last-child{border-right:0}
.hero__proof span{display:block;color:var(--yellow);font:800 .65rem/1.2 "Courier New",monospace;letter-spacing:.1em;text-transform:uppercase}
.hero__proof b{display:block;margin-top:5px;font-size:.83rem;line-height:1.3;overflow-wrap:anywhere}
.hero__visual{position:relative;min-width:0;overflow:hidden}
.hero__visual img{width:100%;height:100%;object-fit:cover;object-position:61% center;display:block}
.hero__caption{position:absolute;right:var(--tn-site-gutter);bottom:46px;width:min(320px,40%);padding:20px 22px;background:rgba(5,5,5,.88);border-left:4px solid var(--red)}
.hero__caption span{display:block;color:#aaa;font:700 .64rem/1.2 "Courier New",monospace;letter-spacing:.13em;text-transform:uppercase}
.hero__caption strong{display:block;margin-top:8px;font-size:1rem;line-height:1.35}
.section{padding:var(--tn-section-space) 0}
.section h2{margin:0;text-wrap:balance}
.section h2 em{color:var(--red);font-style:normal}
.section-intro{margin-top:22px}
.barrier{background:var(--paper)}
.barrier__head{display:grid;grid-template-columns:.85fr 1.15fr;gap:8vw;align-items:end}
.barrier__stage{margin-top:65px;display:grid;grid-template-columns:1fr 160px 1fr;min-height:380px;border:1px solid var(--line);background:#fff}
.barrier__space{display:flex;flex-direction:column;justify-content:space-between;padding:38px}
.barrier__space--outside{background:#111;color:#fff}
.barrier__space span{font:800 .68rem/1.2 "Courier New",monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--red)}
.barrier__space--outside span{color:var(--yellow)}
.barrier__space h3{max-width:330px;margin:0;font-size:clamp(1.45rem,2vw,2.1rem);line-height:1.08;letter-spacing:-.035em}
.barrier__space p{max-width:430px;margin:0;color:#6b6a64;line-height:1.6}
.barrier__space--outside p{color:#bbb}
.air-stream{position:relative;display:flex;align-items:center;justify-content:center;background:var(--yellow);overflow:hidden}
.air-stream::before,.air-stream::after{content:"";position:absolute;top:0;bottom:0;width:1px;background:rgba(0,0,0,.35)}
.air-stream::before{left:36%}.air-stream::after{right:36%}
.air-stream__unit{position:absolute;top:22px;width:112px;height:38px;background:#1b1b19;border:5px solid #fff;box-shadow:0 8px 0 rgba(0,0,0,.18)}
.air-stream__arrow{font-size:4.6rem;font-weight:300;line-height:1;color:#101010;transform:translateY(14px)}
.air-stream__label{position:absolute;bottom:28px;writing-mode:vertical-rl;transform:rotate(180deg);font:800 .68rem/1.2 "Courier New",monospace;letter-spacing:.12em;text-transform:uppercase}
.benefits{background:var(--black);color:#fff}
.benefits__head{display:grid;grid-template-columns:1fr .9fr;gap:8vw;align-items:end}
.benefits .section-intro{color:#b5b4af}
.benefits__list{margin-top:64px;border-top:1px solid #333}
.benefit{display:grid;grid-template-columns:90px .8fr 1.25fr;gap:40px;align-items:center;padding:34px 0;border-bottom:1px solid #333}
.benefit__number{color:var(--yellow);font:900 1.7rem/1 "Courier New",monospace}
.benefit h3{margin:0;font-size:clamp(1.3rem,1.65vw,1.75rem);line-height:1.08;letter-spacing:-.025em}
.benefit p{margin:0;color:#b9b8b3;line-height:1.65}
.use-cases{background:#fff}
.use-cases__grid{margin-top:58px;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}
.use-case{min-height:440px;padding:0;display:flex;flex-direction:column;border-right:1px solid var(--line);overflow:hidden;transition:background .2s,color .2s}
.use-case:last-child{border-right:0}
.use-case:hover{background:var(--yellow)}
.use-case__image{display:block;width:100%;height:210px;object-fit:cover;object-position:center top;border-bottom:1px solid var(--line);transition:transform .35s ease}
.use-case:hover .use-case__image{transform:scale(1.025)}
.use-case__body{position:relative;z-index:1;flex:1;display:flex;flex-direction:column;padding:25px 27px 28px;background:inherit}
.use-case span{font:800 .64rem/1.2 "Courier New",monospace;letter-spacing:.12em;text-transform:uppercase;color:var(--red)}
.use-case h3{margin:34px 0 16px;font-size:1.35rem;line-height:1.12}
.use-case p{margin:auto 0 0;color:#64635d;font-size:.9rem;line-height:1.6}
.use-case:hover p{color:#25251f}
.sizes{background:var(--paper-2)}
.sizes__layout{display:grid;grid-template-columns:.76fr 1.24fr;gap:8vw;align-items:start}
.sizes__note{margin-top:28px;padding:21px 22px;border-left:4px solid var(--yellow);background:#10100f;color:#fff;line-height:1.55}
.size-table{border-top:3px solid var(--red)}
.size-row{display:grid;grid-template-columns:150px 1fr;gap:28px;padding:32px 0;border-bottom:1px solid #bebcb3}
.size-row strong{font-size:2rem;line-height:1;color:var(--red);letter-spacing:-.04em}
.size-row h3{margin:0 0 8px;font-size:1.15rem}
.size-row p{margin:0;color:#62615b;line-height:1.6}
.video-section{background:var(--black);color:#fff}
.video-layout{display:grid;grid-template-columns:.65fr 1.35fr;gap:7vw;align-items:center}
.video-section .section-intro{color:#b9b8b3}
.video-frame{position:relative;aspect-ratio:16/9;border:1px solid #363632;border-top:5px solid var(--yellow);background:#141414;box-shadow:18px 18px 0 #1e1e1b}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-local-preview{position:absolute;inset:0;display:none;align-items:center;justify-content:center;overflow:hidden;background:#111;color:#fff;text-decoration:none}
.video-local-preview img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.72}
.video-local-preview span{position:relative;z-index:1;display:flex;align-items:center;gap:14px;padding:15px 21px;background:rgba(5,5,5,.9);border-left:4px solid var(--red);font-weight:900}
.video-local-preview span::before{content:"▶";display:inline-flex;width:46px;height:46px;align-items:center;justify-content:center;border-radius:50%;background:var(--red);font-size:1rem}
.video-frame.is-local-video iframe{display:none}
.video-frame.is-local-video .video-local-preview{display:flex}
.process{background:var(--paper)}
.process__steps{margin-top:60px;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.process-step{padding:34px 34px 40px;border-right:1px solid var(--line)}
.process-step:last-child{border-right:0}
.process-step span{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;background:var(--red);color:#fff;border-radius:50%;font:900 .8rem/1 "Courier New",monospace}
.process-step h3{margin:50px 0 13px;font-size:1.35rem}
.process-step p{margin:0;color:#65645e;line-height:1.65}
.expert-note{margin-top:38px;display:flex;justify-content:space-between;gap:32px;padding:28px 30px;background:var(--yellow)}
.expert-note strong{max-width:680px;font-size:1.05rem;line-height:1.5}
.expert-note a{align-self:center;font-weight:900;text-underline-offset:5px}
.faq{background:#fff}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:8vw}
.faq-list{border-top:3px solid var(--red)}
details{border-bottom:1px solid var(--line)}
summary{position:relative;padding:24px 54px 24px 0;cursor:pointer;list-style:none;font-weight:900;line-height:1.35}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:6px;top:17px;font-size:1.8rem;color:var(--red);font-weight:400}
details[open] summary::after{content:"−"}
details p{margin:0;padding:0 54px 25px 0;color:#5f5e58;line-height:1.65}
.related-note{margin-top:35px;padding-top:25px;border-top:1px solid var(--line);color:#62615b;line-height:1.6}
.related-note a{font-weight:800;text-decoration-color:var(--red);text-underline-offset:4px}
.final-cta{background:var(--red);color:#fff;padding:84px 0}
.final-cta__inner{display:grid;grid-template-columns:1fr auto;gap:54px;align-items:center}
.final-cta h2{max-width:850px;margin:0;text-wrap:balance}
.final-cta p{max-width:720px;margin:17px 0 0;color:#ffe9e9;line-height:1.6}
.final-cta .primary{background:var(--yellow);border-color:var(--yellow);min-width:270px}
.floating-wa{position:fixed;z-index:90;right:24px;bottom:20px;display:flex;align-items:center;gap:10px;padding:12px 18px;background:#8fe177;color:#061006;text-decoration:none;border-radius:999px;box-shadow:0 12px 28px rgba(0,0,0,.23);font-size:.82rem}
.floating-wa img{width:25px;height:25px;filter:brightness(0) invert(1)}
.floating-wa b{white-space:nowrap}
@media(max-width:1050px){
  .site-header{grid-template-columns:180px 1fr auto;gap:18px}.site-nav{gap:23px}.nav-cta{display:none}
  .hero{grid-template-columns:1fr 1fr}.hero__copy{padding-left:5vw}.hero__proof{grid-template-columns:1fr}.hero__proof div{border-right:0;border-bottom:1px solid #32322f}.hero__proof div:last-child{border-bottom:0}
  .use-cases__grid{grid-template-columns:1fr 1fr}.use-case:nth-child(2){border-right:0}.use-case:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .sizes__layout,.video-layout,.faq-layout{grid-template-columns:1fr;gap:50px}
}
@media(max-width:760px){
  :root{--wrap:var(--tn-site-width)}
  .site-header{height:var(--tn-header-height-mobile);padding:0 20px;grid-template-columns:1fr auto}.brand{width:102px}.menu-toggle{display:block}
  .site-nav{position:fixed;inset:var(--tn-header-height-mobile) 0 0;display:none;overflow-y:auto;background:#080808;padding:32px 20px 70px;align-items:stretch;justify-content:flex-start;gap:0}.site-nav.open{display:flex;flex-direction:column}.site-nav>a{padding:18px 0;border-bottom:1px solid #292929}.site-nav>a[aria-current="page"]::after{display:none}
  .hero{display:flex;flex-direction:column;min-height:0}.hero__copy{padding:58px 20px 48px}.hero__copy::after{display:none}.hero h1{max-width:none}.hero__lead{font-size:1rem}.hero__actions{align-items:stretch;flex-direction:column;gap:13px}.hero__actions .primary{width:100%}.text-link{justify-content:center}.hero__proof{grid-template-columns:repeat(3,1fr);margin-top:30px}.hero__proof div{border-right:1px solid #32322f;border-bottom:0;padding:12px 9px}.hero__proof div:last-child{border-right:0}.hero__proof b{font-size:.72rem}.hero__visual{height:390px}.hero__visual img{object-position:65% center}.hero__caption{right:20px;bottom:22px;width:68%;padding:15px 17px}
  .section{padding:var(--tn-section-space-mobile) 0}.barrier__head,.benefits__head{grid-template-columns:1fr;gap:22px}.barrier__stage{margin-top:42px;grid-template-columns:1fr;min-height:0}.barrier__space{min-height:235px;padding:28px}.barrier__space h3{margin-top:45px}.air-stream{height:125px}.air-stream__unit{top:16px}.air-stream__arrow{transform:translateY(10px)}.air-stream__label{right:18px;bottom:18px;writing-mode:initial;transform:none}
  .benefit{grid-template-columns:54px 1fr;gap:14px 18px;padding:28px 0}.benefit p{grid-column:2}.benefit__number{font-size:1.25rem}
  .use-cases__grid{grid-template-columns:1fr}.use-case{min-height:0;border-right:0!important;border-bottom:1px solid var(--line)!important}.use-case:last-child{border-bottom:0!important}.use-case__image{height:245px;object-position:center top}.use-case__body{min-height:235px;padding:25px 24px 28px}.use-case h3{margin:38px 0 12px}
  .size-row{grid-template-columns:1fr;gap:14px}.video-frame{box-shadow:8px 8px 0 #1e1e1b}.video-local-preview span{padding:11px 14px;font-size:.8rem}.video-local-preview span::before{width:38px;height:38px}
  .process__steps{grid-template-columns:1fr}.process-step{border-right:0;border-bottom:1px solid var(--line);padding:28px 0}.process-step:last-child{border-bottom:0}.process-step h3{margin:28px 0 12px}.expert-note{flex-direction:column;padding:24px}
  .final-cta{padding:66px 0}.final-cta__inner{grid-template-columns:1fr;gap:30px}.final-cta .primary{min-width:0;width:100%}
  .floating-wa{right:14px;bottom:14px;width:54px;height:54px;padding:13px;justify-content:center}.floating-wa img{width:28px;height:28px}.floating-wa b{display:none}
}
@media(max-width:420px){.hero__proof{grid-template-columns:1fr}.hero__proof div{border-right:0;border-bottom:1px solid #32322f}.hero__visual{height:340px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}