:root{--air-rule:var(--border,#ddd3c8);--air-serif:var(--font-serif,"Noto Serif SC",serif);--air-mono:var(--font-mono,"IBM Plex Mono",monospace)}
*{box-sizing:border-box}.air-main{width:min(100%,1480px);margin:0 auto;padding:0 clamp(22px,4vw,72px) 96px;color:var(--text-primary)}
.skip-link{position:fixed;left:16px;top:-80px;z-index:12000;padding:10px 16px;background:var(--accent);color:#fff;font-weight:700}.skip-link:focus{top:10px}
.air-eyebrow{margin:0 0 16px;color:var(--accent);font:700 11px/1 var(--air-mono);letter-spacing:.16em}.air-hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);gap:clamp(42px,7vw,110px);align-items:end;padding:clamp(72px,10vw,142px) 0 64px;border-bottom:1px solid var(--air-rule)}
.air-hero h1{max-width:920px;margin:0;font:700 clamp(50px,7.5vw,112px)/.98 var(--air-serif);letter-spacing:-.055em}.air-hero h1 em{color:var(--accent);font-style:normal}.air-lede{max-width:760px;margin:30px 0 0;color:var(--text-secondary);font-size:clamp(17px,1.4vw,21px);line-height:1.85}.air-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}.air-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border:1px solid var(--accent);font-size:13px;font-weight:700}.air-btn-primary{background:var(--accent);color:#fff}.air-btn-ghost{color:var(--accent)}
.air-thesis{padding:32px;background:#2a211c;color:#f6eee5}.air-thesis>span{color:#cfa376;font:700 10px/1 var(--air-mono);letter-spacing:.15em}.air-thesis>strong{display:block;margin:22px 0 16px;font:700 clamp(28px,3vw,44px)/1.15 var(--air-serif)}.air-thesis>p{margin:0;color:#d9cbbd;line-height:1.8}.air-thesis dl{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin:30px 0 0;background:#5a493e}.air-thesis dl div{padding:18px 12px;background:#2a211c}.air-thesis dt{font:700 26px/1 var(--air-serif);color:#d89c61}.air-thesis dd{margin:7px 0 0;color:#bcae9f;font-size:11px}
.air-index{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--air-rule)}.air-index a{display:flex;gap:10px;padding:20px 16px;border-right:1px solid var(--air-rule);color:var(--text-secondary);font-size:12px}.air-index a:last-child{border-right:0}.air-index span{color:var(--accent);font-family:var(--air-mono)}
.air-section{padding:clamp(72px,9vw,126px) 0;border-bottom:1px solid var(--air-rule)}.air-section-head{display:grid;grid-template-columns:minmax(0,.8fr) minmax(340px,1.2fr);gap:clamp(34px,7vw,100px);align-items:end;margin-bottom:50px}.air-section-head h2,.air-workflow h2,.air-method h2{margin:0;font:700 clamp(36px,5vw,70px)/1.08 var(--air-serif);letter-spacing:-.035em}.air-section-head>p,.air-section-head-split>p{margin:0;color:var(--text-secondary);line-height:1.85}.air-map{display:grid;grid-template-columns:1.18fr 1fr 1fr;border:1px solid var(--air-rule)}.air-card{position:relative;display:flex;min-width:0;min-height:520px;flex-direction:column;padding:32px;border-right:1px solid var(--air-rule);color:var(--text-primary)}.air-card:last-child{border-right:0}.air-card-featured{background:var(--bg-secondary)}.air-card-no{position:absolute;right:24px;top:22px;color:var(--text-muted);font:700 42px/1 var(--air-serif)}.air-card-kicker{margin:0 0 54px;color:var(--accent);font:700 10px/1 var(--air-mono);letter-spacing:.12em}.air-card h3{max-width:340px;margin:0;font:700 clamp(31px,3vw,48px)/1.12 var(--air-serif)}.air-card>p:not(.air-card-kicker){margin:24px 0 0;color:var(--text-secondary);line-height:1.8}.air-card ul{margin:28px 0 0;padding:22px 0 0;border-top:1px solid var(--air-rule);list-style:none;color:var(--text-muted);font-size:12px;line-height:2}.air-card em{margin-top:auto;padding-top:30px;color:var(--accent);font-style:normal;font-weight:700}
.air-workflow{display:grid;grid-template-columns:minmax(280px,.7fr) minmax(0,1.3fr);gap:clamp(48px,8vw,120px);padding:clamp(72px,9vw,126px) 0;background:var(--bg-secondary);box-shadow:0 0 0 100vmax var(--bg-secondary);clip-path:inset(0 -100vmax)}.air-workflow-copy>p:last-child{color:var(--text-secondary);line-height:1.8}.air-steps{margin:0;padding:0;list-style:none;border-top:1px solid var(--air-rule)}.air-steps li{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--air-rule)}.air-steps b{color:var(--accent);font:700 13px/1 var(--air-mono)}.air-steps h3{margin:0 0 8px;font:700 22px/1.2 var(--air-serif)}.air-steps p{margin:0;color:var(--text-secondary);line-height:1.7}
.air-section-head-split{grid-template-columns:1.05fr .95fr}.air-report-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border:1px solid var(--air-rule)}.air-report-grid a{min-width:0;min-height:260px;padding:24px;border-right:1px solid var(--air-rule);color:var(--text-primary)}.air-report-grid a:last-child{border-right:0}.air-report-grid span{color:var(--accent);font:700 10px/1 var(--air-mono);letter-spacing:.12em}.air-report-grid h3{margin:54px 0 12px;font:700 24px/1.22 var(--air-serif)}.air-report-grid p{margin:0;color:var(--text-secondary);font-size:12px;line-height:1.7}.air-report-grid a:hover{background:var(--bg-secondary)}
.air-method{display:grid;grid-template-columns:1fr 1fr;gap:clamp(44px,8vw,120px);padding:clamp(70px,9vw,120px) 0}.air-method>div:last-child>p{margin:0;color:var(--text-secondary);line-height:1.9}.air-method-links{display:flex;flex-wrap:wrap;gap:18px;margin-top:30px}.air-method-links a{color:var(--accent);font-weight:700}.air-footer{display:flex;justify-content:space-between;gap:30px;padding:30px clamp(22px,4vw,72px);border-top:1px solid var(--air-rule);color:var(--text-muted);font-size:11px}.air-footer nav{display:flex;gap:20px}.air-footer a{color:var(--text-secondary)}
[data-theme="dark"] .air-thesis{background:#271f1a}[data-theme="dark"] .air-thesis dl div{background:#271f1a}.air-card:focus-visible,.air-btn:focus-visible,.air-index a:focus-visible,.air-report-grid a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
@media(max-width:1100px){.air-hero{grid-template-columns:1fr}.air-thesis{max-width:760px}.air-map{grid-template-columns:1fr 1fr}.air-card{border-bottom:1px solid var(--air-rule)}.air-card:nth-child(2){border-right:0}.air-card:last-child{grid-column:1/-1;min-height:400px;border-bottom:0}.air-report-grid{grid-template-columns:repeat(3,1fr)}.air-report-grid a{border-bottom:1px solid var(--air-rule)}.air-report-grid a:nth-child(3){border-right:0}.air-report-grid a:nth-child(4),.air-report-grid a:nth-child(5){border-bottom:0}}
@media(max-width:900px){.air-index{grid-template-columns:repeat(2,1fr)}.air-index a:nth-child(2){border-right:0}.air-section-head,.air-section-head-split,.air-workflow,.air-method{grid-template-columns:1fr}.air-report-grid{grid-template-columns:repeat(2,1fr)}.air-report-grid a:nth-child(2n){border-right:0}.air-report-grid a:nth-child(3){border-right:1px solid var(--air-rule)}.air-report-grid a:last-child{grid-column:1/-1}.air-card{min-height:450px}}
@media(max-width:680px){.air-main{padding-inline:16px}.air-hero{padding-top:52px}.air-hero h1{font-size:clamp(45px,13vw,66px)}.air-thesis{padding:24px 20px}.air-map{grid-template-columns:1fr}.air-card,.air-card:last-child{grid-column:auto;min-height:0;border-right:0;border-bottom:1px solid var(--air-rule)}.air-card:last-child{border-bottom:0}.air-card-kicker{margin-bottom:44px}.air-card em{margin-top:38px}.air-report-grid{grid-template-columns:1fr}.air-report-grid a,.air-report-grid a:nth-child(3){min-height:200px;border-right:0;border-bottom:1px solid var(--air-rule)}.air-report-grid a:last-child{grid-column:auto;border-bottom:0}.air-report-grid h3{margin-top:34px}.air-footer{flex-direction:column}.air-section{padding-block:70px}}
@media(max-width:430px){.air-index{display:flex;overflow-x:auto}.air-index a{min-width:150px;white-space:nowrap;border-right:1px solid var(--air-rule)!important}.air-thesis dl{overflow-x:auto}.air-thesis dl div{min-width:96px}.air-actions{display:grid}.air-btn{width:100%}.air-steps li{grid-template-columns:44px 1fr}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}