:root{--bg-canvas:#f3f0fa;--bg-surface:rgba(255,255,255,.78);--bg-surface-hover:#fff;--text-primary:#334155;--text-muted:#626071;--accent-primary:#59305f;--accent-secondary:#815d87;--border-subtle:rgba(89,48,95,.2);--ease-kinetic:cubic-bezier(.16,1,.3,1);--shadow-elevation:0 12px 32px -4px rgba(41,22,45,.16);--glow-accent:0 0 24px -4px rgba(89,48,95,.2);--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-family:"Trebuchet MS","Segoe UI",sans-serif;font-size:17px;line-height:1.75;overflow-wrap:anywhere;hyphens:auto}a{color:var(--accent-primary);text-decoration-thickness:1px;text-underline-offset:5px}a:hover{text-decoration-thickness:2px}button,input,select,textarea{font:inherit;border-radius:0}button{cursor:pointer}img{display:block;width:100%;height:100%;object-fit:cover;border-radius:0}h1,h2,h3{line-height:1.15;font-weight:500;letter-spacing:-.035em;overflow-wrap:anywhere}h1{font-size:clamp(2.6rem,5.5vw,4.8rem);margin:.35em 0 .5em;max-width:17ch}h2{font-size:clamp(1.7rem,3.2vw,2.5rem);margin:0 0 .7em}h3{font-size:1.35rem}p{margin:0 0 1.2em}small{font-size:.8rem}.wrap{width:min(1200px,calc(100% - 64px));margin:0 auto}.site-header{position:relative;background:transparent;border-bottom:1px solid var(--border-subtle);transition:background .3s}.site-header.scrolled{background:#fff}.header-inner{min-height:96px;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;text-decoration:none;color:var(--accent-primary);font-size:1rem;letter-spacing:-.035em}.brand-mark{width:26px;height:30px;border:1px solid var(--accent-primary);position:relative;display:inline-block}.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--accent-primary)}.brand-mark:before{width:1px;height:36px;transform:rotate(38deg);left:12px;top:-4px}.brand-mark:after{height:1px;width:24px;top:14px;left:0}.site-nav{display:flex;align-items:center;gap:22px;font-size:.85rem}.site-nav a{white-space:nowrap;text-decoration:none;position:relative}.site-nav a:after,.text-link:after{content:"";position:absolute;height:1px;background:currentColor;bottom:-4px;left:0;width:0;transition:width .35s var(--ease-kinetic)}.site-nav a:hover:after,.text-link:hover:after{width:100%}.site-nav a[aria-current=page]{font-weight:bold;text-decoration:underline}.menu-toggle{display:none;border:1px solid var(--border-subtle);background:var(--bg-surface);color:var(--accent-primary);font-size:1.7rem;width:42px;height:44px;line-height:1}.skip{position:absolute;top:-100px;left:12px;z-index:20;background:white;padding:10px}.skip:focus{top:10px}:focus-visible{outline:3px solid var(--accent-primary);outline-offset:5px}.eyebrow{display:block;font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;color:var(--accent-primary);font-weight:bold;margin-bottom:20px}.hero{position:relative;padding:80px 0 72px;isolation:isolate}.coordinate-grid{background-image:linear-gradient(rgba(89,48,95,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(89,48,95,.055) 1px,transparent 1px);background-size:40px 40px}.hero:before{content:"";position:absolute;z-index:-1;width:65%;height:85%;right:0;top:0;background:radial-gradient(ellipse at 70% 30%,rgba(170,133,188,.24),transparent 65%);background-size:200% 200%;animation:gradientShift 12s ease infinite;pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:50px;align-items:center}.lead{font-size:1.15rem;max-width:57ch;color:var(--text-muted)}.image-ledger{height:470px;position:relative}.image-ledger figure{position:absolute;margin:0;border:8px solid var(--bg-canvas);box-shadow:var(--shadow-elevation)}.image-ledger .construction-finish-image{width:75%;height:70%;top:0;right:0;z-index:1}.image-ledger .fabrication-tool-image{width:52%;height:47%;bottom:0;left:0;z-index:3}.image-ledger .material-joint-image{width:41%;height:39%;right:0;bottom:0;z-index:2}.image-ledger figcaption{position:absolute;bottom:0;left:0;right:0;background:rgba(255,255,255,.92);font-size:.66rem;padding:5px 9px;color:var(--accent-primary);line-height:1.4}.button{display:inline-block;background:var(--accent-primary);color:#fff;border:1px solid var(--accent-primary);padding:13px 22px;text-decoration:none;font-size:.9rem;transition:transform .35s var(--ease-kinetic),box-shadow .35s,background .35s}.button:hover{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent);background:#46264b}.text-link{position:relative;display:inline-block;text-decoration:none;font-size:.9rem}.actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:28px}.section{padding:70px 0;border-top:1px solid var(--border-subtle)}.section-intro{max-width:70ch;margin-bottom:35px}.paired-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.fluid-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:24px}.panel{padding:32px;background:var(--bg-surface);border:1px solid var(--border-subtle);backdrop-filter:var(--glass-backdrop);transition:transform .45s var(--ease-kinetic),box-shadow .45s,background .45s}.panel:hover{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent);background:var(--bg-surface-hover)}.panel .number{display:block;font-size:.75rem;letter-spacing:.13em;color:var(--accent-secondary);margin-bottom:25px}.panel p:last-child{margin-bottom:0}.panel a{position:relative}.feature-panel{background:var(--accent-primary);color:#fff;padding:42px}.feature-panel a,.feature-panel .eyebrow{color:#fff}.horizontal-card{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--border-subtle);background:var(--bg-surface)}.horizontal-card .copy{padding:36px}.media-grid{aspect-ratio:4/3}.media-banner{aspect-ratio:16/9;margin:0}.media-thumb{aspect-ratio:1/1;width:95px;flex-shrink:0}.compact-card{display:flex;gap:20px;align-items:center}.caption{font-size:.77rem;color:var(--text-muted);margin-top:10px}.page-lead{padding:65px 0 45px}.page-lead h1{max-width:22ch;font-size:clamp(2.5rem,5vw,4rem)}.dossier-meta{display:flex;gap:20px;flex-wrap:wrap;font-size:.78rem;color:var(--text-muted);padding-top:20px;border-top:1px solid var(--border-subtle);margin-top:25px}.reading{max-width:70ch;margin:0 auto}.reading h2{margin-top:1.8em;font-size:1.8rem}.reading h3{margin-top:1.5em}.reading ul,.reading ol{padding-left:1.4em}.article-body{padding:30px 0 70px}.evidence{padding:25px 28px;border-left:3px solid var(--accent-primary);background:var(--bg-surface);margin:30px 0}.evidence h2,.evidence h3{margin-top:0}.table-scroll{overflow-x:auto;margin:30px 0}table{border-collapse:collapse;width:100%;min-width:540px;text-align:left;font-size:.9rem}th,td{padding:16px;border:1px solid var(--border-subtle);vertical-align:top}th{background:var(--accent-primary);color:#fff;font-weight:normal}td{background:var(--bg-surface)}.sources{font-size:.88rem;border-top:1px solid var(--border-subtle);margin-top:40px;padding-top:20px}.sources li{margin-bottom:12px}.faq-list{display:grid;gap:14px;margin:25px 0 60px}details{border:1px solid var(--border-subtle);background:var(--bg-surface);padding:20px 24px}summary{cursor:pointer;color:var(--accent-primary);font-weight:bold;padding-right:12px}details p{margin:18px 0 0}form{display:grid;gap:18px}label{display:grid;gap:7px;font-size:.9rem}input,select,textarea{width:100%;min-width:0;border:1px solid var(--border-subtle);padding:12px;background:#fff;color:var(--text-primary)}textarea{resize:vertical;min-height:160px}.preview{white-space:pre-wrap;background:white;border:1px solid var(--border-subtle);padding:22px;min-height:260px;font-family:inherit;font-size:.88rem;overflow-wrap:anywhere}.status{font-size:.85rem;min-height:1.7em;color:var(--accent-primary)}.legal-copy{padding-bottom:70px}.site-footer{background:rgba(255,255,255,.65);border-top:1px solid var(--border-subtle);padding:45px 0 20px;backdrop-filter:var(--glass-backdrop);font-size:.82rem}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1.2fr;gap:35px}.footer-grid h2{font-size:1rem;letter-spacing:0}.footer-links{display:flex;gap:10px 20px;flex-wrap:wrap}.site-footer address{font-style:normal}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:30px;padding-top:20px;border-top:1px solid var(--border-subtle)}.reveal{opacity:1;transform:none}.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease-kinetic),transform .7s var(--ease-kinetic)}.js .reveal.reveal-visible{opacity:1;transform:translateY(0)}@keyframes gradientShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
@media(min-width:1025px){.hero-grid{min-height:485px}.site-nav{gap:20px}}
@media(min-width:769px) and (max-width:1024px){.header-inner{gap:14px;padding:18px}.brand{font-size:.82rem;gap:8px}.site-nav{gap:12px;font-size:.73rem}.hero-grid{gap:25px}.image-ledger{height:390px}.wrap{width:calc(100% - 48px)}}
@media(max-width:768px){.wrap{width:calc(100% - 40px)}.header-inner{min-height:78px;padding:16px 20px}.brand{font-size:.95rem}.menu-toggle{display:block}.site-nav{display:none;position:absolute;left:0;right:0;top:100%;background:rgba(255,255,255,.98);backdrop-filter:var(--glass-backdrop);padding:20px;border-bottom:1px solid var(--border-subtle);box-shadow:var(--shadow-elevation);z-index:15;flex-direction:column;align-items:stretch;gap:0}.site-nav.open{display:flex;animation:menuEntry .3s var(--ease-kinetic)}.site-nav a{padding:12px;font-size:1rem}.hero{padding:45px 0}.hero-grid{grid-template-columns:1fr;gap:35px}.image-ledger{height:400px;max-width:550px;width:100%;margin:auto}.section{padding:45px 0}.paired-grid{grid-template-columns:1fr}.horizontal-card{grid-template-columns:1fr}.horizontal-card .media-grid{max-height:350px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.page-lead{padding:42px 0 25px}.panel{padding:26px}.feature-panel{padding:30px}.footer-bottom{flex-wrap:wrap}}
@media(min-width:481px) and (max-width:768px){.paired-grid.compact-pair{grid-template-columns:1fr 1fr}}
@media(max-width:480px){body{font-size:16px}.wrap{width:calc(100% - 32px)}.header-inner{padding:14px 16px}.brand{font-size:.85rem}.brand-mark{width:22px}.image-ledger{height:320px}.image-ledger figure{border-width:5px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.actions{gap:20px}.panel{padding:23px}.compact-card{align-items:flex-start}.media-thumb{width:72px}}
@keyframes menuEntry{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}.panel:hover,.button:hover{transform:none}}