:root{color-scheme:light dark;--bg:#f6f8f8;--card:#fff;--ink:#15303b;--muted:#536872;--line:#d9e3e5;--accent:#086579;--soft:#e5f1f1;--on-accent:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.65}a{color:var(--accent);text-underline-offset:.2em}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px;border-radius:3px}.shell{width:min(1080px,100% - 48px);margin:auto}.skip{position:absolute;top:-100px;left:16px;z-index:5;background:var(--card);padding:12px}.skip:focus{top:12px}.top{border-bottom:1px solid var(--line);background:var(--card)}.header{display:flex;align-items:center;gap:24px;min-height:88px;padding-block:16px}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-size:22px;font-weight:700;letter-spacing:-.04em}.brand img{border-radius:9px}.header nav{margin-left:auto;display:flex;align-items:center;gap:24px;flex-wrap:wrap}.header nav a{text-decoration:none;font-size:14px;color:var(--muted);padding-block:8px}.header nav a[aria-current=page]{color:var(--accent);font-weight:650}.header nav .language{border-left:1px solid var(--line);padding-left:24px}.hero{padding:76px 0 60px;display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center}.eyebrow{color:var(--accent);font-size:13px;font-weight:650;letter-spacing:.1em;text-transform:uppercase;margin:0 0 16px}h1,h2,h3{line-height:1.2;letter-spacing:-.035em}h1{font-size:clamp(36px,5vw,64px);max-width:760px;margin:0 0 24px;font-weight:700}h2{font-size:25px;margin-top:36px}h3{font-size:19px}.lede{font-size:19px;color:var(--muted);max-width:660px;margin-bottom:24px}.hero-icon{width:154px;height:154px;border-radius:34px;box-shadow:0 16px 40px #123c5518}.actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 22px;border-radius:12px;text-decoration:none;background:var(--accent);color:var(--on-accent);font-weight:600}.button:hover{background:#074f60}.text-link{padding-block:10px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:44px}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px}.card h2{font-size:21px;margin:0 0 14px}.card p{margin:0;color:var(--muted)}.note{padding:26px;border-left:3px solid var(--accent);background:var(--soft);border-radius:0 14px 14px 0;margin:32px 0 48px}.note h2{margin-top:0}.note p:last-child{margin-bottom:0}.page-title{padding-top:56px}.page-title h1{font-size:clamp(34px,4vw,48px)}.article{max-width:760px;padding-bottom:48px}.article h2{scroll-margin-top:30px}.article p,.article li{overflow-wrap:anywhere}.article li{margin-bottom:10px}.article ul,.article ol{padding-left:24px}.meta{color:var(--muted);font-size:14px}.toc{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 24px;margin:28px 0}.toc strong{display:block;margin-bottom:10px}.toc ul{display:flex;gap:8px 24px;flex-wrap:wrap;list-style:none;margin:0;padding:0}.toc a{font-size:14px}.contact{padding:26px;background:var(--soft);border-radius:16px;margin:28px 0}.contact h2{margin:0 0 12px}.contact .email{display:inline-block;font-size:clamp(19px,3vw,25px);font-weight:650;overflow-wrap:anywhere}details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin-bottom:12px}summary{font-weight:650;cursor:pointer;line-height:1.45;padding-right:8px}details>p:last-child{margin-bottom:0}details[open] summary{margin-bottom:14px}.bottom{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:13px}.footer{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}.footer p{margin:0}.footer nav{display:flex;gap:20px;flex-wrap:wrap}.footer a{color:var(--muted)}.small{font-size:14px;color:var(--muted)}
@media(prefers-color-scheme:dark){:root{--bg:#10212a;--card:#172c36;--ink:#eaf1f4;--muted:#b1c3cc;--line:#314753;--accent:#8bd2da;--soft:#1a3740;--on-accent:#10212a}.button:hover{background:#a3e3e9}.hero-icon{box-shadow:none}}
@media(max-width:680px){.shell{width:calc(100% - 32px)}.header{gap:12px;align-items:flex-start;flex-wrap:wrap}.header nav{width:100%;margin-left:0;gap:18px;justify-content:flex-start}.header nav .language{padding-left:18px}.hero{padding:40px 0 32px;grid-template-columns:1fr;gap:24px}.hero-icon{width:96px;height:96px;border-radius:22px;grid-row:1}.features{grid-template-columns:1fr;gap:14px}.card{padding:22px}.page-title{padding-top:36px}.lede{font-size:18px}.footer{align-items:flex-start;flex-direction:column}.toc ul{flex-direction:column;gap:8px}.article{padding-bottom:28px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}
@media print{.header nav,.skip,.actions,.footer nav{display:none}body{background:white;color:black}.shell{width:100%}.hero{padding:20px 0}.card,details,.note,.contact{break-inside:avoid}details>*{display:block}.bottom{margin-top:24px}}