:root{color-scheme:dark;--bg-canvas:#0b0b0d;--bg-surface:#202024;--bg-surface-hover:#29292e;--text-primary:#f5f5f5;--text-muted:#c0c4cc;--accent-primary:#dc2626;--accent-secondary:#c0c4cc;--border-subtle:#4b4b53;--ease-kinetic:cubic-bezier(.16,1,.3,1);--shadow-elevation:0 12px 32px -4px rgba(0,0,0,.25);--glow-accent:0 0 24px -4px var(--accent-primary);--glass-backdrop:blur(16px) saturate(180%)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font:400 16px/1.75 system-ui,"Segoe UI",sans-serif;overflow-wrap:anywhere;hyphens:auto}h1,h2,h3{font-weight:800;letter-spacing:-.045em;line-height:1.12;overflow-wrap:anywhere}h1{font-size:clamp(2.65rem,5.8vw,5.4rem);max-width:15ch;margin:.35em 0}h2{font-size:clamp(1.7rem,3vw,2.55rem);margin:.3em 0 .75em}h3{font-size:1.2rem;letter-spacing:-.025em}p{margin:0 0 1.25em}a{color:inherit;text-decoration-color:var(--accent-primary);text-underline-offset:5px}a:hover{color:#fff;text-decoration-thickness:2px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}img{display:block;width:100%;height:100%;object-fit:cover;border-radius:20px}figure{margin:0}figcaption{font-size:.85rem;color:var(--text-muted);margin-top:.8rem}svg{max-width:100%}:focus-visible{outline:3px solid #fca5a5;outline-offset:5px}.skip{position:absolute;left:12px;top:-100px;z-index:20;background:var(--bg-surface);padding:.7rem}.skip:focus{top:12px}.wrap{width:min(1200px,calc(100% - 64px));margin-inline:auto}.notice{padding:7px 24px;border-bottom:1px solid var(--border-subtle);font-size:.76rem;letter-spacing:.055em;color:var(--text-muted)}.site-header{position:relative;border-bottom:1px solid var(--border-subtle);z-index:10}.header-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 24px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:clamp(.85rem,1.5vw,1.05rem);letter-spacing:-.035em;white-space:nowrap}.brand-mark{display:inline-grid;place-items:center;flex:none;width:28px;height:30px;background:var(--accent-primary);color:#fff;font-size:18px;box-shadow:3px 3px 0 #c0c4cc}.site-nav{display:flex;gap:22px;align-items:center;font-size:.85rem}.site-nav a{text-decoration:none;padding:6px 0}.site-nav a:hover,.site-nav a[aria-current=page]{box-shadow:0 2px var(--accent-primary)}.menu-toggle{display:none;color:var(--text-primary);background:transparent;border:1px solid var(--border-subtle);width:42px;height:42px;font-size:27px;line-height:1}.eyebrow{font-size:.76rem;letter-spacing:.13em;text-transform:uppercase;color:var(--text-muted);font-weight:700}.eyebrow::before{content:"";display:inline-block;width:9px;height:9px;background:var(--accent-primary);margin-right:10px}.hero{position:relative;padding:76px 0 70px;background-image:linear-gradient(#c0c4cc09 1px,transparent 1px),linear-gradient(90deg,#c0c4cc09 1px,transparent 1px);background-size:36px 36px}.hero-inner{display:grid;grid-template-columns:1.12fr 1fr;gap:38px;align-items:center}.hero p{max-width:56ch;color:var(--text-muted);font-size:1.1rem}.hero-art{position:relative;height:400px;isolation:isolate}.hero-art img{position:absolute;object-fit:contain;border-radius:20px;background:var(--bg-surface);border:1px solid var(--border-subtle);box-shadow:var(--shadow-elevation)}.hero-art .drawing-sheet{width:66%;height:82%;left:0;top:0;transform:rotate(-7deg)}.hero-art .requirement-list{width:62%;height:78%;right:0;top:16%;transform:rotate(6deg)}.hero-art .revision-stamp{width:46%;height:33%;left:18%;bottom:0;transform:rotate(-4deg);background:#171719}.button{display:inline-block;background:var(--accent-primary);color:#fff;border:1px solid var(--accent-primary);box-shadow:4px 4px 0 #c0c4cc;padding:12px 20px;font-size:.9rem;font-weight:750;text-decoration:none;transition:transform .25s var(--ease-kinetic),box-shadow .25s var(--ease-kinetic),background .25s}.button:hover{transform:translate(4px,4px);box-shadow:0 0 0 #c0c4cc;background:#bd2020}.button.secondary{background:var(--bg-surface);border-color:var(--border-subtle)}.button:disabled{opacity:.5;cursor:not-allowed;transform:none}.button-row{display:flex;gap:20px;flex-wrap:wrap;align-items:center;margin-top:26px}.lede{font-size:1.15rem;color:var(--text-muted);max-width:65ch}.scope-note{border-left:3px solid var(--accent-primary);padding:14px 20px;background:var(--bg-surface);font-size:.92rem;color:var(--text-muted)}.section{padding:68px 0;border-top:1px solid var(--border-subtle)}.paired{display:grid;grid-template-columns:1fr 1fr;gap:60px}.paired>*,.hero-inner>*,.grid>*{min-width:0}.row{display:grid;grid-template-columns:32px 1fr;gap:16px;border-top:1px solid var(--border-subtle);padding:22px 0}.row:last-child{border-bottom:1px solid var(--border-subtle)}.row h3{margin:0 0 9px}.row p{margin:0;color:var(--text-muted)}.row-icon{font-weight:800;color:#f87171;font-size:1.05rem}.section-number{font-size:.8rem;letter-spacing:.14em;color:#f87171;font-weight:800}.draft-grid{background-image:linear-gradient(#c0c4cc07 1px,transparent 1px),linear-gradient(90deg,#c0c4cc07 1px,transparent 1px);background-size:32px 32px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px}.panel{padding:30px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:20px}.media-banner{aspect-ratio:16/9;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:20px}.media-grid{aspect-ratio:4/3;background:var(--bg-surface);border-radius:20px}.media-thumb{width:76px;aspect-ratio:1;flex:none}.page-head{padding:65px 0 45px;border-bottom:1px solid var(--border-subtle)}.page-head h1{font-size:clamp(2.45rem,5vw,4.4rem);max-width:20ch}.meta{color:var(--text-muted);font-size:.82rem}.article{max-width:72ch;margin:0 auto;padding:48px 0 68px}.article h2{font-size:1.9rem;margin-top:2em}.article h3{margin-top:1.6em}.article p,.article li{color:#dedee2}.article ul,.article ol{padding-left:1.4rem}.article li{padding-left:.2rem;margin-bottom:.7em}.table-wrap{overflow-x:auto;margin:24px 0;border:1px solid var(--border-subtle);border-radius:20px}table{width:100%;border-collapse:collapse;font-size:.9rem;text-align:left;min-width:560px}th,td{padding:16px;vertical-align:top;border-bottom:1px solid var(--border-subtle)}th{background:var(--bg-surface);color:var(--text-primary)}tr:last-child td{border-bottom:0}.tag{display:inline-block;padding:2px 9px;border:1px solid var(--border-subtle);font-size:.75rem;font-weight:700;color:var(--text-muted)}.tag.missing{border-color:#f87171;color:#fca5a5}.timeline{list-style:none;padding:0!important;counter-reset:revision}.timeline li{position:relative;border-left:1px solid var(--border-subtle);padding:0 0 28px 28px;margin-left:8px}.timeline li::before{content:"";position:absolute;width:11px;height:11px;background:var(--accent-primary);left:-6px;top:8px}.timeline strong{display:block}.sources{padding:24px;background:var(--bg-surface);border-radius:20px;margin-top:35px}.sources h2{margin-top:0;font-size:1.3rem}.sources li{font-size:.9rem}.next{display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--border-subtle);padding-top:24px;margin-top:40px}.faq-list details{border-top:1px solid var(--border-subtle);padding:22px 0}.faq-list details:last-child{border-bottom:1px solid var(--border-subtle)}summary{cursor:pointer;font-weight:750;font-size:1.08rem;padding-right:12px}details p{margin:18px 0 0;color:var(--text-muted)}form label{display:block;font-weight:650;margin-bottom:6px}input,select,textarea{display:block;width:100%;min-width:0;background:#121215;color:var(--text-primary);border:1px solid #686871;border-radius:6px;padding:12px 14px}textarea{resize:vertical;min-height:150px}.field{margin-bottom:20px}.field small{display:block;color:var(--text-muted);font-size:.8rem;margin-top:5px}.status{min-height:1.8em;color:var(--text-muted);margin-top:18px;font-size:.9rem}.site-footer{border-top:1px solid var(--border-subtle);padding:48px 0 26px;background:#111114;color:var(--text-muted);font-size:.86rem}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:36px}.site-footer h2{font-size:.95rem;color:var(--text-primary);letter-spacing:0}.footer-links{display:flex;flex-wrap:wrap;gap:8px 18px}.footer-bottom{margin-top:30px;padding-top:24px;border-top:1px solid var(--border-subtle);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.site-footer address{font-style:normal}.reveal-enabled .reveal{opacity:0;transform:translateY(20px);transition:opacity .7s var(--ease-kinetic),transform .7s var(--ease-kinetic)}.reveal-enabled .reveal-visible{opacity:1;transform:translateY(0)}
@media(min-width:1025px){.hero{padding-top:92px}.article{font-size:1.03rem}}
@media(min-width:769px) and (max-width:1024px){.site-nav{gap:14px;font-size:.78rem}.header-row{padding-inline:18px;gap:14px}.brand{font-size:.85rem}.paired{gap:34px}.hero-art{height:330px}.wrap{width:calc(100% - 48px)}}
@media(max-width:768px){.wrap{width:calc(100% - 40px)}.menu-toggle{display:block}.site-nav{display:none;position:absolute;left:16px;right:16px;top:calc(100% - 1px);padding:18px 24px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:0 0 20px 20px;box-shadow:var(--shadow-elevation);flex-direction:column;align-items:stretch;gap:8px}.site-nav.is-open{display:flex;animation:menuDown .25s var(--ease-kinetic)}.site-nav a{padding:9px 0}.header-row{padding:17px 20px}.hero-inner,.paired{grid-template-columns:1fr;gap:32px}.hero{padding:48px 0}.hero-art{height:340px;max-width:470px;width:100%;margin:8px auto}.section{padding:44px 0}.footer-grid{grid-template-columns:1fr;gap:24px}.page-head{padding:45px 0 32px}.article{padding-top:32px}.grid{grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr))}}
@media(min-width:481px) and (max-width:768px){.hero-art{height:370px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:480px){.wrap{width:calc(100% - 32px)}.notice{padding:7px 16px;font-size:.67rem}.header-row{padding-inline:16px}.brand{font-size:.84rem;gap:8px}.hero-art{height:280px}.panel{padding:20px}.button{padding:12px 15px}.next{flex-direction:column}.article h2{font-size:1.65rem}.footer-bottom{display:block}.footer-bottom p{margin-top:12px}}
@keyframes menuDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.reveal-enabled .reveal{opacity:1;transform:none}.button:hover{transform:none}}