:root{
  --bg:#f7f1e8;
  --surface:#fffaf3;
  --line:#e6dccd;
  --text:#2a2118;
  --muted:#7a6a58;
  --accent:#c4581b;
  --accent-ink:#ffffff;
  --danger:#b3261e;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#16130f;
    --surface:#201b16;
    --line:#342c23;
    --text:#f2e9dc;
    --muted:#a8977f;
    --accent:#ee7a36;
    --accent-ink:#1b120b;
    --danger:#ff8a80;
    color-scheme:dark;
  }
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  background:var(--bg);
  color:var(--text);
  font:16px/1.6 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
.nav{
  max-width:1040px;margin:0 auto;padding:20px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:19px;letter-spacing:-.01em;color:var(--accent)}
.logo span{color:var(--text)}
.logo svg{width:30px;height:30px}
.nav nav{display:flex;align-items:center;gap:18px}
.nav nav a{text-decoration:none;color:var(--muted);font-size:15px}
.nav nav a:hover{color:var(--text)}
@media (max-width:560px){.nav nav a{display:none}}

.btn{border:0;border-radius:12px;padding:12px 20px;font:inherit;font-weight:600;cursor:pointer}
.btn.primary{background:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.06)}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line);padding:8px 16px}
.btn.wide{width:100%}
.btn[disabled]{opacity:.6;cursor:progress}

main{max-width:1040px;margin:0 auto;padding:0 20px}
.hero{padding:64px 0 40px;max-width:720px}
.pill{display:inline-block;font-size:13px;font-weight:600;color:var(--accent);border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:4px 12px}
h1{font-size:clamp(34px,6vw,56px);line-height:1.08;letter-spacing:-.025em;margin:18px 0 16px}
.lead{font-size:18px;color:var(--muted);margin:0 0 28px}
.grab{display:flex;gap:10px;flex-wrap:wrap}
.grab input{
  flex:1 1 280px;min-width:0;
  background:var(--surface);color:var(--text);
  border:1px solid var(--line);border-radius:12px;padding:12px 14px;font:inherit
}
.grab input:focus,.signin input:focus{outline:2px solid var(--accent);outline-offset:1px}
.hint{font-size:14px;color:var(--muted);margin-top:12px}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;padding:36px 0}
.step{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px}
.step .num{display:inline-flex;width:30px;height:30px;border-radius:50%;align-items:center;justify-content:center;background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:14px}
.step h3,.features h3{margin:12px 0 6px;font-size:18px}
.step p,.features p{margin:0;color:var(--muted)}

.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;padding:28px 0 12px;border-top:1px solid var(--line)}

.faq{padding:40px 0;max-width:720px}
.faq h2{font-size:26px;letter-spacing:-.01em;margin:0 0 12px}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq p{color:var(--muted);margin:10px 0 0}

footer{max-width:1040px;margin:0 auto;padding:28px 20px 40px;display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}
footer a{text-decoration:none}
footer a:hover{color:var(--text)}

dialog{border:1px solid var(--line);border-radius:20px;padding:0;background:var(--surface);color:var(--text);width:min(400px,calc(100% - 32px))}
dialog::backdrop{background:rgba(20,14,8,.55)}
.signin{padding:28px;display:flex;flex-direction:column;gap:12px;position:relative}
.signin h2{margin:0;font-size:24px}
.signin label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600}
.signin input{background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:11px 12px;font:inherit;font-weight:400}
.signin .close{position:absolute;top:12px;right:14px;border:0;background:transparent;color:var(--muted);font-size:26px;line-height:1;cursor:pointer}
.muted{color:var(--muted);margin:0}
.small{font-size:13px}
.error{color:var(--danger);font-size:14px;margin:0}

.doc{max-width:720px;padding:40px 0 60px}
.doc h1{font-size:clamp(30px,5vw,42px)}
.doc h2{font-size:20px;margin-top:32px}
.doc p,.doc li{color:var(--muted)}
.center{text-align:center;padding:96px 0}