:root{--ink:#161616;--text:#3d3d3d;--mute:#6b6b6b;--line:#d8d8d8;--bg:#f3f3f3;--card:#fff;--max:1080px;--accent:#6240c8;--on-accent:#fff;--hov:#e6e6e8}
@media(prefers-color-scheme:dark){:root{--ink:#f2f2f2;--text:#d0d0d0;--mute:#9a9a9a;--line:#3a3a3a;--bg:#161616;--card:#1f1f1f;--accent:#a68cf7;--on-accent:#161616;--hov:#2c2c2f}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
h1,h2,h3{color:var(--ink);line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800}
h2{font-size:clamp(1.5rem,3.5vw,2.1rem);font-weight:750}
h3{font-size:1.2rem}
a{color:var(--ink)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.sec{padding:64px 0;border-top:1px solid var(--line)}
main>.sec:first-child{border-top:0}
.lead{font-size:1.15rem;max-width:62ch}
.center{text-align:center}.center .lead{margin-inline:auto}
.btn{display:inline-block;padding:12px 22px;border:2px solid var(--accent);background:var(--accent);color:var(--on-accent);font:inherit;font-weight:650;text-decoration:none;border-radius:6px;cursor:pointer}
.btn.ghost{background:transparent;color:var(--accent)}.btn:hover{filter:brightness(1.1)}.btn.ghost:hover{background:var(--hov)}.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.row{display:flex;gap:12px;flex-wrap:wrap}.center .row{justify-content:center}
.hdr{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.hdr .wrap{display:flex;align-items:center;gap:20px;min-height:64px}
.brand img{height:26px;width:auto;display:block}
.nav{display:flex;align-items:center;gap:6px;flex:1}
.nav a{text-decoration:none;color:var(--text);font-weight:550;font-size:.95rem;padding:8px 12px;border-radius:6px;border-bottom:2px solid transparent;transition:background .15s}
.nav a:hover{background:var(--hov);color:var(--ink)}.nav a[aria-current]{color:var(--ink);border-bottom-color:var(--accent);border-radius:6px 6px 0 0}
.nav .div{width:1px;height:26px;background:var(--line);margin:0 8px}
.tag{font-size:.65rem;font-weight:700;border:1px solid var(--mute);color:var(--mute);border-radius:4px;padding:0 5px;margin-left:6px;vertical-align:middle}
.prof{display:flex;align-items:center;gap:6px;text-decoration:none;color:var(--text);font-weight:550;font-size:.95rem;padding:8px 12px;border-radius:6px;border-bottom:2px solid transparent}.prof:hover{background:var(--hov);color:var(--ink)}.prof[aria-current]{color:var(--ink);border-bottom-color:var(--accent);border-radius:6px 6px 0 0}.prof svg{width:20px;height:20px}
@media(max-width:860px){.hdr .wrap{flex-wrap:wrap;gap:0 16px}.brand{margin-right:auto}.prof{order:2}.nav{order:3;flex:0 0 100%;flex-wrap:wrap;gap:0 2px;padding-bottom:6px}.nav a{font-size:.88rem;padding:8px 9px}.nav .div{display:none}}
.ftr{border-top:1px solid var(--line);padding:32px 0;color:var(--mute);font-size:.9rem}
.ftr a{color:var(--mute)}.ftr a:hover{color:var(--ink)}.ftr .wrap{display:flex;gap:16px;justify-content:space-between;flex-wrap:wrap}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:28px}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:24px}
.card h3{margin-bottom:.3em}.card ol{margin:.6em 0 0;padding-left:1.2em}
.step{display:flex;gap:18px;align-items:flex-start}
.step .n{flex:none;width:40px;height:40px;border:2px solid var(--accent);border-radius:50%;display:grid;place-items:center;font-weight:800;color:var(--ink)}
.soon{border:1px dashed var(--mute);border-radius:8px;padding:12px 16px;font-size:.95rem;color:var(--mute);margin-top:18px}
form.f{display:grid;gap:14px}
label{font-weight:600;color:var(--ink);font-size:.95rem;display:grid;gap:4px}
input,select,textarea{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:var(--card);color:var(--ink);width:100%}
.msg{min-height:1.4em;color:var(--mute);font-size:.95rem;margin:0}
ul.ticks{padding-left:1.2em}ul.ticks li{margin:.5em 0}
fieldset{border:1px solid var(--line);border-radius:8px;padding:14px 16px;margin:0}
legend{font-weight:650;color:var(--ink);padding:0 6px}
fieldset label{display:flex;gap:8px;align-items:center;font-weight:450;color:var(--text)}
fieldset input[type=checkbox]{width:auto}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}

.pts{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-top:24px}.pt{border:1px dashed var(--mute);border-radius:8px;min-height:84px;display:grid;place-items:center;color:var(--mute);font-size:.9rem;padding:12px;text-align:center}textarea{min-height:120px;resize:vertical}
.card ol li{margin:0 0 14px}.card .sub{display:block;color:var(--mute);font-size:.88rem;line-height:1.45;margin-top:2px}