:root{--bg:#f4f4f1;--paper:#fff;--ink:#202522;--muted:#747b77;--line:#dedfda;--accent:#397a72;--accent-dark:#285b55;--soft:#e8efec;--radius:14px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,a{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.topbar{height:76px;padding:0 max(24px,calc((100% - 1180px)/2));display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.88);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:10px}.brand-mark{font-size:34px;color:var(--accent);font-weight:800;line-height:1}.brand b{display:block;font-size:18px;letter-spacing:-.5px}.brand small{display:block;font-size:9px;letter-spacing:1.5px;color:var(--muted);font-weight:700}.topbar nav{display:flex;gap:6px}.nav-btn{border:0;background:transparent;color:#555e59;padding:10px 15px;border-radius:9px;font-size:13px}.nav-btn:hover,.nav-btn.active{background:var(--soft);color:var(--accent-dark)}.container{max-width:1180px;margin:auto;padding:38px 24px 76px}.page{display:none;animation:fade .25s ease}.page.active{display:block}@keyframes fade{from{opacity:.45;transform:translateY(4px)}to{opacity:1;transform:none}}.hero{display:grid;grid-template-columns:1.05fr .95fr;min-height:360px;background:var(--paper);border:1px solid var(--line);border-radius:18px;overflow:hidden}.hero-copy{padding:46px 40px;align-self:center}.eyebrow{font-size:10px;letter-spacing:1.7px;font-weight:800;color:var(--accent);margin:0 0 12px}.hero h1,.page-heading h1,.experiment-heading h1{font-size:clamp(32px,4.4vw,52px);line-height:1.08;letter-spacing:-2px;margin:0 0 18px}.hero h1 span{color:var(--accent)}.hero-copy>p:not(.eyebrow){max-width:540px;color:#626b66;margin:0 0 24px}.button{border:1px solid var(--line);background:white;border-radius:9px;padding:11px 15px;font-size:13px;font-weight:700;color:var(--ink);transition:.15s}.button:hover{transform:translateY(-1px);border-color:#aab8b1}.button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.button.primary:hover{background:var(--accent-dark)}.button.primary span{padding-left:18px}.button.subtle{background:transparent}.button.full{width:100%;margin-top:18px}.hero-art{min-height:340px;position:relative;overflow:hidden;background:#e8ece8;display:grid;place-items:center}.hero-art:before,.hero-art:after{content:"";position:absolute;border:1px solid #c3d0ca;border-radius:50%;width:380px;height:380px}.hero-art:after{width:270px;height:270px}.orbit{position:absolute;border:1px solid #b7c9c1;border-radius:50%;width:320px;height:130px;transform:rotate(-28deg)}.orbit-two{transform:rotate(35deg);width:360px;height:170px}.coil{width:74px;height:175px;border:2px solid var(--accent);border-radius:28px;z-index:1;display:flex;flex-direction:column;justify-content:space-evenly;padding:8px 0;background:rgba(255,255,255,.45);box-shadow:0 0 35px #7da99d55}.coil i{height:5px;background:var(--accent);margin:0 -3px;border-radius:6px}.spark{position:absolute;color:var(--accent);font-size:28px}.spark-one{top:23%;right:26%}.spark-two{bottom:25%;left:24%;font-size:18px}.art-label{position:absolute;bottom:18px;right:20px;font-size:10px;letter-spacing:2px;color:#61736a}.section-title{display:flex;justify-content:space-between;align-items:end;margin:42px 0 18px}.section-title h2{font-size:26px;letter-spacing:-.8px;margin:0}.section-title .eyebrow{margin-bottom:4px}.workshop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.workshop-card{text-align:left;position:relative;display:flex;flex-direction:column;align-items:stretch;min-height:226px;padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);color:var(--ink);transition:border-color .15s,transform .15s;overflow:hidden}.workshop-card:hover{border-color:#9db7ad;transform:translateY(-2px)}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card-number{font-size:11px;color:var(--muted);letter-spacing:1px;font-weight:700}.card-symbol{width:38px;height:38px;border-radius:10px;background:var(--soft);color:var(--accent);display:grid;place-items:center;font-size:24px}.workshop-card h3{font-size:17px;line-height:1.3;margin:0 0 8px;letter-spacing:-.3px}.workshop-card p{font-size:12px;line-height:1.65;color:var(--muted);margin:0 0 20px}.card-link{margin-top:auto;border-top:1px solid #ecece8;padding-top:13px;display:flex;justify-content:space-between;color:var(--accent-dark);font-size:12px;font-weight:700}.card-link b{font-size:17px}.done-mark{display:none;position:absolute;top:17px;right:62px;border-radius:50%;background:var(--accent);color:white;width:20px;height:20px;text-align:center;font-size:12px}.workshop-card.done .done-mark{display:block}.note-strip{margin-top:24px;border:1px solid var(--line);border-radius:12px;padding:15px 18px;display:flex;gap:12px;align-items:center;background:#eeefeb}.note-icon{display:grid;place-items:center;width:26px;height:26px;border:1px solid #b9c8c1;color:var(--accent);border-radius:50%;font-weight:800;flex:none}.note-strip p{font-size:12px;color:#616963;margin:0}.page-heading{max-width:720px;margin:10px 0 30px}.page-heading h1{font-size:40px;margin-bottom:12px}.page-heading>p:last-child{color:var(--muted);margin:0}.listing{margin-top:25px}.listing .workshop-card{min-height:250px}.back-link{border:0;background:none;padding:0;color:var(--muted);font-size:12px;margin-bottom:24px}.back-link:hover{color:var(--accent)}.experiment-heading{margin-bottom:25px}.experiment-heading h1{font-size:38px}.experiment-heading>p:last-child{max-width:760px}.lab-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(270px,.8fr);gap:16px}.sim-card,.controls-card,.info-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.panel-heading{height:52px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line);font-size:10px;font-weight:800;letter-spacing:1px;color:#68716b}.live-dot{display:inline-block;width:7px;height:7px;background:var(--accent);border-radius:50%;margin-right:7px}.model-tag{background:#f0f1ed;padding:5px 7px;border-radius:5px;font-size:9px}.simulation{height:310px;background:#f0f2ee;position:relative;overflow:hidden;display:grid;place-items:center;padding:16px}.sim-caption{font-size:11px;color:var(--muted);padding:12px 17px;margin:0;border-top:1px solid var(--line)}.controls-card{padding-bottom:18px}.controls-card .panel-heading{margin-bottom:14px}.reset{border:1px solid var(--line);background:#fff;border-radius:6px;padding:5px 8px;color:var(--muted);font-size:11px}.control{padding:0 18px 17px}.control label{display:flex;justify-content:space-between;gap:12px;font-size:12px;font-weight:650;margin-bottom:8px}.control output{color:var(--accent);font-variant-numeric:tabular-nums}.control input[type=range]{width:100%;accent-color:var(--accent)}.segmented{display:flex;gap:6px}.segmented button{flex:1;border:1px solid var(--line);background:#fff;border-radius:7px;padding:7px;font-size:11px}.segmented button.selected{background:var(--soft);border-color:#a6c1b6;color:var(--accent-dark);font-weight:800}.result{margin:0 18px;padding:13px;background:#f1f3ef;border-radius:9px}.result .eyebrow{margin-bottom:5px}.result strong{display:block;font-size:18px;letter-spacing:-.4px}.result p{font-size:11px;color:var(--muted);margin:4px 0 0}.learning-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}.info-card{padding:22px}.info-index{font-size:10px;letter-spacing:1.3px;color:var(--accent);font-weight:800}.info-card h3{font-size:19px;margin:9px 0}.info-card p{font-size:13px;color:#626b66;margin:0 0 12px}.solution{padding:10px;background:#f0f3ef;border-radius:7px;margin-top:10px!important}.hidden{display:none}.muted{color:var(--muted);font-size:.65em;letter-spacing:-1px}.bio-layout{display:grid;grid-template-columns:220px 1fr;gap:30px;background:white;border:1px solid var(--line);border-radius:14px;padding:28px}.portrait-placeholder{min-height:240px;background:#e7ebe6;display:flex;flex-direction:column;justify-content:center;align-items:center;color:var(--accent);border-radius:10px}.portrait-placeholder span{font-size:80px;font-weight:300;letter-spacing:-8px}.portrait-placeholder small{font-size:10px;letter-spacing:2px}.bio-text h2{margin:0 0 12px;font-size:25px}.bio-text p{color:#626b66;font-size:13px}.bio-text h3{margin-top:22px}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}.timeline div{padding:17px;background:#fff;border:1px solid var(--line);border-radius:10px}.timeline b{display:block;color:var(--accent);font-size:19px}.timeline span{font-size:12px;color:var(--muted)}.progress-overview{display:grid;grid-template-columns:1fr 1fr;gap:16px}.progress-overview>div{padding:24px;background:#fff;border:1px solid var(--line);border-radius:12px}.progress-overview strong{display:block;font-size:27px;margin:4px 0}.progress-overview p{font-size:12px;color:var(--muted)}.progress-track{height:6px;background:#e7e9e4;border-radius:10px;overflow:hidden;margin-top:14px}.progress-track i{display:block;height:100%;width:0;background:var(--accent);transition:width .3s}.progress-list{margin:18px 0;display:grid;gap:8px}.progress-row{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:9px;font-size:13px}.progress-row span:last-child{color:var(--muted);font-size:11px}.progress-row.done span:last-child{color:var(--accent);font-weight:800}footer{min-height:90px;border-top:1px solid var(--line);background:#fff;padding:20px max(24px,calc((100% - 1180px)/2));display:flex;align-items:center;justify-content:space-between;gap:20px}footer p{font-size:12px;color:var(--muted)}.footer-brand .brand-mark{font-size:25px}.footer-brand b{font-size:14px}.footer-brand small{font-size:8px}.footer-tag{font-size:9px;letter-spacing:1px;color:var(--muted)}/* SVG simulation pieces */.diagram{width:100%;height:100%;max-height:285px}.diagram text{font-family:inherit;fill:#47534c;font-size:11px}.diagram .wire{stroke:var(--accent);stroke-width:3;fill:none;stroke-linecap:round}.diagram .wire-light{stroke:#a6bcb1;stroke-width:2;fill:none}.diagram .accent-fill{fill:#dce9e2;stroke:var(--accent);stroke-width:2}.diagram .dark-fill{fill:#cbd7d0;stroke:#526b5f;stroke-width:1.5}.diagram .particle{fill:var(--accent)}.diagram .wave{stroke:var(--accent);stroke-width:3;fill:none}.boat-stage{width:100%;height:100%;position:relative;background:#e4eae5;border-radius:10px;overflow:hidden}.water-line{height:1px;background:#b7c8be;position:absolute;left:0;right:0}.boat{position:absolute;left:15%;top:52%;font-size:34px;transform:translate(-50%,-50%);transition:left .15s,top .15s}.buoy{position:absolute;right:10%;top:25%;font-size:27px}.obstacle{position:absolute;left:55%;top:58%;font-size:22px}.boat-controls{display:flex;gap:7px;flex-wrap:wrap}.boat-controls button{border:1px solid var(--line);border-radius:6px;background:white;padding:7px 10px;font-size:12px}.boat-controls button:hover{background:var(--soft)}@media(max-width:800px){.topbar{padding:0 18px}.topbar nav{gap:0}.nav-btn{padding:9px;font-size:12px}.container{padding:22px 16px 48px}.hero{grid-template-columns:1fr}.hero-copy{padding:32px 25px}.hero-art{min-height:230px}.workshop-grid{grid-template-columns:repeat(2,1fr)}.lab-layout{grid-template-columns:1fr}.simulation{height:280px}.learning-grid{grid-template-columns:1fr}.bio-layout{grid-template-columns:1fr}.portrait-placeholder{min-height:150px}.timeline{grid-template-columns:repeat(2,1fr)}footer{padding:20px;flex-wrap:wrap}}@media(max-width:520px){.topbar{height:auto;min-height:70px;align-items:flex-start;padding-top:13px;padding-bottom:10px;gap:10px;flex-wrap:wrap}.topbar nav{width:100%;justify-content:space-between}.nav-btn{padding:7px 10px}.container{padding-top:18px}.hero h1{font-size:36px}.section-title{align-items:start;gap:10px}.section-title h2{font-size:22px}.section-title .button{white-space:nowrap;padding:9px;font-size:11px}.workshop-grid{grid-template-columns:1fr}.workshop-card{min-height:190px}.page-heading h1,.experiment-heading h1{font-size:32px}.simulation{height:250px}.progress-overview{grid-template-columns:1fr}.footer-tag{width:100%}}