:root{--ink:#19242d;--muted:#52656d;--brand:#087f8c;--dark:#10383d;--accent:#ffd166;--paper:#f8faf9;--mint:#edf5f2;--line:#d9e4e1}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.75 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:#076571;text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,input,textarea,select{font:inherit}button,a,input,select,textarea{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #d89900;outline-offset:4px}img{max-width:100%;height:auto;display:block}p{margin:0 0 1.3em}li+li{margin-top:.5em}h1,h2,h3{line-height:1.12;letter-spacing:-.035em;margin:0 0 .65em;text-wrap:balance}h1{font-size:clamp(38px,4.5vw,66px);font-weight:850}h1 span{color:var(--brand)}h2{font-size:clamp(28px,3vw,39px)}h3{font-size:23px}strong{font-weight:750}.shell{width:min(1280px,92%);margin:auto}.skip{position:absolute;left:12px;top:-100px;background:#fff;z-index:200;padding:14px}.skip:focus{top:8px}.site-header{position:sticky;top:0;z-index:50;background:#f8faf9f5;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-inner{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);font-weight:850;font-size:26px;letter-spacing:-1px;white-space:nowrap}.brand-mark{background:var(--dark);border-radius:12px;color:var(--accent);width:46px;height:46px;display:grid;place-items:center;font-size:21px;letter-spacing:-2px}.nav{display:flex;align-items:center;gap:25px;font-size:15px;font-weight:700}.nav a{color:var(--ink);text-decoration:none}.nav a[aria-current=page]{text-decoration:underline;text-decoration-color:var(--brand);text-underline-offset:8px}.menu-toggle{display:none;border:1px solid var(--line);background:white;border-radius:9px;padding:9px 14px}.progress{height:3px;background:var(--accent);width:0;position:absolute;bottom:0;left:0}.crumb{font-size:13px;color:var(--muted);margin-top:28px}.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(35px,5vw,75px);align-items:center;padding:72px 0 68px}.hero-copy{max-width:610px}.eyebrow{display:block;color:var(--brand);font-size:11px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;margin-bottom:20px}.lead{font-size:20px;line-height:1.65;color:var(--muted);max-width:47ch}.hero-art{margin:0;background:#dcefea;border-radius:24px;overflow:hidden;border:1px solid var(--line)}.hero-art img{width:100%}.hero-art.diagram-hero img{aspect-ratio:2;object-fit:contain}.hero-art figcaption{padding:14px 20px;font-size:12px;color:var(--muted);background:#fff}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.button,button{display:inline-block;padding:13px 20px;background:var(--dark);color:white;border:0;border-radius:10px;text-decoration:none;font-size:15px;font-weight:750;cursor:pointer;line-height:1.5}.button.secondary{background:transparent;color:var(--ink);border:1px solid var(--line)}.button.primary{background:var(--accent);color:var(--ink)}button:hover,.button:hover{filter:brightness(.94);text-decoration:none}.meta{font-size:12px;color:var(--muted);margin:20px 0 0}.disclosure{border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted);padding:16px 0}.toc{background:white;border:1px solid var(--line);border-radius:14px;padding:24px 28px;margin:35px 0 0}.toc summary{font-size:16px;font-weight:750;cursor:pointer}.toc ol{display:grid;grid-template-columns:1fr 1fr;gap:8px 35px;font-size:14px;padding-left:20px;margin-bottom:0}.toc li{margin:0}.toc a{color:var(--muted)}.section{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:70px;padding:65px 0;border-bottom:1px solid var(--line);align-items:start}.section-heading{position:sticky;top:120px;max-width:450px}.section-body{min-width:0}.section-body>p,.section-body>ul,.section-body>ol{max-width:65ch}.section-body h2{font-size:27px;margin-top:35px}.section-body h3{margin-top:26px}.section-body>h3:first-child{margin-top:0}.section-body .cards{grid-template-columns:1fr 1fr;gap:15px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.card{background:white;border:1px solid var(--line);border-radius:16px;padding:25px;display:block;text-decoration:none;color:var(--ink);min-width:0}.card h3{font-size:22px}.card p{font-size:15px;color:var(--muted);margin-bottom:0}.card .eyebrow{font-size:10px;margin:0 0 18px}.card:hover{border-color:var(--brand);text-decoration:none}.card h3 span{color:var(--brand)}.note{border-left:4px solid var(--brand);background:var(--mint);padding:20px 23px;border-radius:0 10px 10px 0;font-size:16px;margin:26px 0}.diagram,.illustration{margin:48px 0;border-radius:20px;background:var(--mint);overflow:hidden}.diagram img{width:100%;height:auto}.diagram figcaption,.illustration figcaption{padding:18px 25px;font-size:13px;color:var(--muted);background:#fff}.illustration img{width:100%}.prompt{border:1px solid #bacfcc;background:#fff;border-radius:14px;padding:23px;margin:23px 0}.prompt h3{margin:0 0 16px;font-size:18px}.prompt pre{font:15px/1.7 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere;background:var(--paper);padding:17px;border-radius:8px;color:#30474d;margin:0 0 18px}.copy{background:var(--mint);color:var(--ink);border:1px solid var(--line);font-size:13px;padding:9px 14px}.builder,.tool-finder{padding:25px;border:1px solid var(--line);background:#fff;border-radius:16px;margin:20px 0}.builder h3,.tool-finder h3{margin-top:0}.builder label,.tool-finder label{font-size:15px;display:block;font-weight:700;margin:16px 0 7px}input,textarea,select{width:100%;border:1px solid #b2c6c3;background:var(--paper);border-radius:8px;padding:12px;color:var(--ink);min-width:0;font-size:16px}textarea{resize:vertical}input[type=checkbox]{width:20px;height:20px;vertical-align:middle;margin:0 8px 0 0}.check{font-weight:500!important}.result,output{display:block;margin-top:23px;padding:20px;background:var(--mint);border-radius:10px;font-size:16px}.builder>button{margin-top:20px}.tool-grid{display:grid;gap:20px}.tool p{margin:16px 0}.tool .limit{font-size:14px;background:var(--mint);padding:14px;border-radius:8px}.small{font-size:12px!important;color:var(--muted);margin-top:15px!important}.faq details{border-top:1px solid var(--line);padding:18px 0}.faq summary{font-size:17px;font-weight:700;cursor:pointer}.faq p{font-size:16px;margin:16px 0 0}.sources{padding:50px 0;max-width:850px;font-size:14px;color:var(--muted)}.sources h2{font-size:25px}.sources ul{padding-left:20px}.site-footer{background:var(--dark);color:#e6f2ee;padding:55px 0 35px;margin-top:35px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:45px}.site-footer h2{font-size:24px;color:white}.site-footer p{font-size:14px;max-width:40ch}.site-footer a{color:#e6f2ee;font-size:14px}.site-footer nav{display:flex;flex-direction:column;gap:9px}.footer-bottom{font-size:12px;border-top:1px solid #ffffff25;margin-top:35px;padding-top:24px}.back-top{position:fixed;bottom:18px;right:18px;z-index:20;border-radius:50%;background:var(--accent);color:var(--ink);padding:10px 16px;text-decoration:none;box-shadow:0 4px 20px #0002}.not-found{min-height:50vh;padding:90px 0}.copy-status{font-size:14px;color:var(--brand)}
@media(min-width:1000px){#starten.section{grid-template-columns:1fr;gap:10px}#starten .section-heading{position:static;max-width:620px}#starten .section-body>p{max-width:65ch}#starten .cards{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:980px){.nav{gap:15px;font-size:13px}.header-inner{gap:15px}.brand{font-size:23px}.section{gap:35px}.section-body .cards{grid-template-columns:1fr}.hero{gap:30px}.hero h1{font-size:42px}}
@media(max-width:767px){body{font-size:17px}.shell{width:90%}.header-inner{min-height:72px;flex-wrap:wrap;gap:0}.brand{font-size:23px}.brand-mark{width:40px;height:40px}.menu-toggle{display:block}.nav{display:none;width:100%;flex-direction:column;align-items:flex-start;padding:15px 0 22px;gap:18px;font-size:16px}.nav.is-open{display:flex}.hero{grid-template-columns:1fr;padding:42px 0 36px;gap:28px}.hero h1{font-size:clamp(36px,9vw,47px);overflow-wrap:break-word;hyphens:auto}.hero-art{max-width:600px}.hero-art.diagram-hero img{aspect-ratio:auto}.hero-art figcaption{font-size:11px}.lead{font-size:19px}.section{grid-template-columns:1fr;gap:13px;padding:42px 0}.section-heading{position:static;max-width:100%}.section-heading .eyebrow{margin-bottom:13px}.section-body .cards,.cards{grid-template-columns:1fr}.card{padding:23px}.toc{padding:20px}.toc ol{grid-template-columns:1fr}.diagram{margin:30px 0}.diagram figcaption{font-size:12px;padding:17px}.builder,.tool-finder,.prompt{padding:19px}.prompt pre{font-size:14px;padding:13px}.footer-grid{grid-template-columns:1fr;gap:25px}.sources{padding:35px 0}.crumb{margin-top:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Preserve visible mobile navigation label. */
.menu-toggle{color:var(--ink)}