:root{color-scheme:light;--bg:oklch(97.5% .008 100);--ink:oklch(24% .015 160);--muted:oklch(48% .015 160);--line:oklch(84% .015 140);--accent:oklch(39% .055 167);--viewer:#eeefea;--paper:oklch(99% .004 100);--rule:oklch(30% .01 160)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.5}a{color:inherit;text-underline-offset:4px}button,input{font:inherit}button,a,input,summary{touch-action:manipulation}:focus-visible{outline:3px solid var(--accent);outline-offset:5px}button,summary{cursor:pointer}button{color:var(--ink);background:transparent;border:1px solid var(--line);padding:9px 17px;border-radius:4px}button:hover{background:var(--paper)}.skip{position:absolute;top:-80px;left:16px;z-index:10;padding:12px;background:var(--paper)}.skip:focus{top:12px}.top{max-width:1240px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:25px 36px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:15px;text-decoration:none;font-size:25px;font-weight:700;letter-spacing:-1px}.brand span{font-size:13px;font-weight:400;letter-spacing:0}.top nav{display:flex;align-items:center;gap:25px;font-size:14px}.top nav a{text-decoration:none}.top nav a:hover{text-decoration:underline}.download{background:var(--accent);color:var(--bg);padding:10px 16px;border-radius:4px}.model{max-width:1240px;margin:auto;padding:62px 36px 60px}.model-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:35px}.eyebrow{margin:0 0 20px;font-size:12px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}h1{font-size:clamp(34px,4.2vw,56px);line-height:1.06;font-weight:500;letter-spacing:-.045em;margin:0}.intro{margin:0 0 4px;color:var(--muted);font-size:17px;line-height:1.65}.viewer{border:1px solid var(--line);border-radius:7px;overflow:hidden}.stage{height:clamp(320px,43vw,525px);position:relative;background:var(--viewer)}canvas{display:block;width:100%;height:100%;touch-action:pan-y}.phase{position:absolute;top:21px;left:24px;display:flex;align-items:center;gap:10px;pointer-events:none;font-size:14px}.phase #ph-n{display:grid;place-items:center;width:25px;height:25px;border:1px solid var(--line);border-radius:50%;font-size:12px}.hint{position:absolute;bottom:12px;left:24px;font-size:12px;color:var(--muted);pointer-events:none}.controls{display:flex;align-items:center;gap:22px;padding:15px 22px;background:var(--bg);font-size:13px}.controls #play{min-width:84px;background:var(--accent);border-color:var(--accent);color:var(--bg)}.controls input[type=range]{flex:1;min-width:60px;accent-color:var(--accent);cursor:pointer}.controls label{display:flex;align-items:center;gap:7px;white-space:nowrap}.controls input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px}.model-foot{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:18px 0 10px}.model-foot p{margin:0;max-width:65ch;font-size:14px}.model-foot .scope{font-size:12px;color:var(--muted)}.parts{margin-top:13px;font-size:13px}.parts summary{width:fit-content;padding:10px 0;color:var(--accent)}#legend{list-style:none;margin:12px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:15px}#legend button{display:flex;gap:12px;text-align:left;width:100%;height:100%;border:0;padding:12px 0}#legend i{display:block;flex:none;width:11px;height:11px;border-radius:50%;margin-top:4px}#legend b{font-size:13px}#legend span{display:block;font-size:12px;color:var(--muted);margin-top:4px}#legend button[aria-pressed=true]{text-decoration:underline}.publication{border-top:1px solid var(--line);padding:38px 24px 70px;background:oklch(94.5% .008 100)}.publication-heading{max-width:860px;margin:0 auto 24px;display:flex;align-items:center;justify-content:space-between;gap:15px}.publication-heading h2{font-size:19px;font-weight:500;margin:0}.publication-heading a{font-size:13px;color:var(--accent)}.contents{max-width:860px;margin:0 auto 20px;font-size:14px}.contents summary{width:fit-content;padding:5px 0}.contents nav{display:grid;gap:8px;padding:15px 0}.contents a{color:var(--muted)}.paper{font-family:'Times New Roman',Times,serif;font-size:18px;line-height:1.55;box-shadow:none;border:1px solid var(--line);padding:clamp(22px,6vw,80px);border-radius:3px;color:var(--ink)}.paper h1{font-size:1.6em;letter-spacing:0;font-weight:700}.paper p,.paper li{hyphens:auto}.paper .abstract{margin-inline:0}.paper svg{overflow:visible}.paper h2{scroll-margin-top:30px}.paper .tbl{max-width:100%}footer{max-width:1240px;margin:auto;padding:25px 36px;display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}#viewer-error{padding:100px 30px;max-width:65ch}button:disabled{opacity:.5;cursor:default}
@media(max-width:650px){.top{padding:18px 20px;gap:15px;flex-wrap:wrap}.brand span{font-size:12px}.top nav{gap:22px;width:100%;justify-content:space-between;font-size:13px}.model{padding:35px 20px 38px}.model-heading{display:block;margin-bottom:25px}.intro{font-size:14px;margin-top:20px}.eyebrow{font-size:10px;margin-bottom:14px}.stage{height:345px}.controls{padding:12px;gap:12px;flex-wrap:wrap}.controls input[type=range]{min-width:calc(100% - 110px)}.controls label{margin-right:auto}.controls button{padding:8px 12px}.model-foot{grid-template-columns:1fr;gap:12px}.phase{top:14px;left:15px}.hint{left:15px;font-size:10px}#legend{grid-template-columns:1fr 1fr}.publication{padding:25px 12px 40px}.publication-heading,.contents{padding-inline:8px}.paper{padding:25px 20px;font-size:17px}.paper p,.paper li{text-align:left}.paper h1{font-size:1.38em}.paper table{min-width:590px}footer{padding:22px 20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.top,.model,.publication-heading,.contents,footer,.skip{display:none}.publication{padding:0;background:transparent}.paper{border:0;max-width:none;padding:0;font-size:11pt;box-shadow:none}.paper h2{break-after:avoid}.paper figure,.paper .tbl{break-inside:avoid}body{background:transparent}}

.project-intro{margin:0 0 28px;max-width:78ch}.project-intro p{margin:0 0 14px;color:var(--muted);font-size:16px;line-height:1.65}.cad-download{display:inline-block;padding:6px 0;color:var(--accent);font-size:14px}.cad-download span{font-weight:400}

footer{flex-wrap:wrap;gap:12px 24px}.footer-contact{overflow-wrap:anywhere}