:root{
--paper:#f6f1e7;--card:#fffdf8;--ink:#1f2421;--muted:#5a5f58;--line:#d9d0bf;--accent:#1e4d5c;--manila:#ecd9a8;
--error:#a3301f;--error-tint:#f8e4df;--success:#2f6b3a;--success-tint:#e3efe3;
--font-serif:'Source Serif 4',Georgia,serif;--font-body:'Atkinson Hyperlegible',system-ui,sans-serif;
--font-num:'IBM Plex Mono',ui-monospace,monospace;
--enter:220ms ease-out;--press:100ms ease-out;--focus:140ms ease-out;--error-motion:280ms cubic-bezier(0.36,0,0.66,1);
--seal:320ms cubic-bezier(0.2,0.8,0.2,1);--reveal:400ms ease-out;--success-motion:360ms ease-in-out;--progress:240ms ease-out;
}
*{box-sizing:border-box}
html{background:var(--paper)}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.55}
main{max-width:880px;margin:0 auto;padding:24px 20px 48px}
h1,h2,h3{font-family:var(--font-serif);font-weight:700;color:var(--ink);margin:0 0 12px;line-height:1.2}
h1{font-size:40px}
h2{font-size:28px}
h3{font-size:22px;font-weight:600}
p{margin:0 0 12px}
a{color:var(--accent);text-decoration-thickness:2px;text-underline-offset:3px}
.lede{font-size:18px}
.muted{color:var(--muted)}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:600}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:16px}

[data-motion~=enter]{animation:enter var(--enter) both}
@keyframes enter{from{opacity:0}to{opacity:1}}
[data-motion~=press]{transition:transform var(--press),box-shadow var(--press)}
[data-motion~=press]:active{transform:translateY(2px) scale(0.98)}
[data-motion~=focus]{outline:none;transition:box-shadow var(--focus)}
[data-motion~=focus]:focus-visible,[data-motion~=focus]:has(input:focus-visible){box-shadow:0 0 0 3px var(--card),0 0 0 6px var(--accent)}
[data-motion~=error]{animation:nudge var(--error-motion) 1 both}
@keyframes nudge{0%{transform:translateX(0)}25%{transform:translateX(-4px)}50%{transform:translateX(4px)}75%{transform:translateX(-2px)}100%{transform:translateX(0)}}
[data-motion~=reveal]{animation:reveal var(--reveal) both}
@keyframes reveal{from{opacity:0}to{opacity:1}}
[data-motion~=seal]{animation:seal var(--seal) both}
@keyframes seal{from{transform:rotate(-8deg) scale(1.25)}to{transform:rotate(-3deg) scale(1)}}
[data-motion~=success]{background:var(--success);color:var(--card);animation:fill var(--success-motion) both}
@keyframes fill{from{background-color:var(--card);color:var(--success)}to{background-color:var(--success);color:var(--card)}}
[data-motion~=progress]{transition:transform var(--progress)}

footer{border-top:1px solid var(--line);margin-top:48px;padding:20px;color:var(--muted);text-align:center}
footer nav{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;margin-top:8px}
footer a{color:var(--accent);display:inline-flex;align-items:center;min-height:48px}

main.legal{max-width:720px}
.back{display:inline-flex;align-items:center;min-height:48px;font-weight:700;margin-bottom:12px}
.doc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px;margin-bottom:16px}
.doc h2{margin:32px 0 12px;padding-top:16px;border-top:1px solid var(--line)}
.doc h2:first-child{margin-top:0;padding-top:0;border-top:0}
.doc h3{margin:24px 0 8px}
.doc p,.doc li{font-size:18px;max-width:66ch}
.doc a[data-motion~=focus]{border-radius:6px}

main.narrow{max-width:520px;padding-top:40px}
main.narrow h2{font-size:22px}
.field{margin-bottom:20px}
label,legend{display:block;font-weight:700;margin-bottom:4px;padding:0}
.why,.note,.hint{color:var(--muted)}
.why{margin:0 0 8px;font-weight:400}
.note{margin:12px 0 0}
input[type=email]{font:inherit;font-size:18px;width:100%;min-height:52px;padding:10px 14px;background:var(--card);color:var(--ink);border:2px solid var(--muted);border-radius:10px}
.field.is-error input{border-color:var(--error)}
fieldset{border:0;padding:0;margin:0 0 24px;min-width:0}
.choice{display:flex;align-items:center;gap:12px;min-height:52px;padding:10px 14px;border:2px solid var(--line);border-radius:10px;background:var(--card);margin:0 0 8px;font-weight:400;cursor:pointer}
.choice b{display:block}
.choice .help{display:block;color:var(--muted)}
.choice input{width:24px;height:24px;margin:0;flex:none;accent-color:var(--ink)}
.choice:has(input:checked){border-color:var(--ink)}
fieldset.is-error .choice{border-color:var(--error)}
.errmsg{color:var(--error);font-weight:700;margin:6px 0 0}
.errmsg[hidden],.ok[hidden]{display:none}
.btn{font:inherit;font-weight:700;font-size:18px;min-height:52px;padding:12px 22px;border-radius:10px;cursor:pointer;border:2px solid var(--accent);display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none}
.btn-primary{background:var(--accent);color:var(--card);box-shadow:0 3px 0 var(--ink)}
.btn-primary[data-motion~=press]:active{box-shadow:0 1px 0 var(--ink)}
.btn-primary[data-motion~=focus]:focus-visible{box-shadow:0 3px 0 var(--ink),0 0 0 3px var(--card),0 0 0 6px var(--accent)}
.btn-wide{width:100%}
.ok{background:var(--success-tint);color:var(--ink);border-left:4px solid var(--success);padding:16px;border-radius:8px;margin-bottom:16px}
.ok h2{color:var(--success)}

.top{padding:16px 20px;border-bottom:1px solid var(--line);max-width:880px;margin:0 auto}
.wordmark{font-family:var(--font-serif);font-weight:700;font-size:24px;color:var(--ink)}
.hero{padding:8px 0 32px}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.actions{margin:24px 0 16px}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.card p:last-child{margin-bottom:0}
.kinds{border-left:4px solid var(--line);padding-left:12px}
.metros p{margin-bottom:8px}
.btn-secondary{background:var(--card);color:var(--accent)}
.choice-card{display:flex;flex-direction:column;gap:16px}
.choice-card p{margin:0;color:var(--muted)}
.choice-card form{margin:0}

.demo{background:var(--manila);color:var(--ink);padding:12px 20px;border-bottom:1px solid var(--line)}
.app{background:var(--card);border-bottom:1px solid var(--line);padding:8px 20px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.app .wordmark{margin-right:auto}
.chip{display:inline-flex;align-items:center;font-weight:700;padding:2px 10px;border-radius:6px;background:var(--card);color:var(--ink);border:1px solid var(--muted)}
.menu{position:relative}
.menu summary{list-style:none;display:inline-flex;align-items:center;min-height:48px;padding:8px 16px;border:2px solid var(--ink);border-radius:10px;background:var(--card);color:var(--ink);font-weight:700;cursor:pointer}
.menu summary::-webkit-details-marker{display:none}
.menu nav{position:absolute;right:0;top:56px;z-index:2;min-width:240px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:8px;box-shadow:0 6px 0 var(--line)}
.menu form{margin:0}
.linkish{font:inherit;font-weight:700;color:var(--accent);background:none;border:0;width:100%;text-align:left;display:flex;align-items:center;min-height:48px;padding:8px 12px;border-radius:8px;cursor:pointer;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
main.mid{max-width:720px}
.skip{border:2px dashed var(--ink);background:var(--manila);color:var(--ink);border-radius:10px;padding:20px}
.skip h2{font-size:28px}
.only{font-weight:700}
.next{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin:16px 0}
.next .deadline{font-weight:700;font-size:18px}
.next p:last-child{margin:0}
.alt{text-align:center;margin-top:8px}
.center{text-align:center}
.center .lede{margin-bottom:24px}
.home{display:inline-block;margin-top:16px}
.errmsg.banner{background:var(--error-tint);padding:12px 16px;border-radius:8px;margin:0 0 16px}
.mail{white-space:pre-wrap;overflow-wrap:anywhere}

@media (prefers-reduced-motion: reduce){
[data-motion~=enter],[data-motion~=reveal]{animation:none;opacity:1}
[data-motion~=press]{transition:none}
[data-motion~=press]:active{transform:none}
[data-motion~=focus]{transition:none}
[data-motion~=error]{animation:none;transform:none}
[data-motion~=seal]{animation:none;transform:rotate(-3deg)}
[data-motion~=success]{animation:none;background:var(--success);color:var(--card)}
[data-motion~=progress]{transition:none}
}