:root{--bg:#fff8ef;--ink:#2d2a26;--accent:#e8643c;--card:#fff;--line:#f0e2d0}
*{box-sizing:border-box}
body{margin:0;font:18px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
main,footer,.top{max-width:760px;margin:0 auto;padding:0 18px}
.top{padding-top:14px;padding-bottom:6px}.brand{font-weight:700;color:var(--accent)}
section{padding:28px 0}
h1{font-size:2rem;line-height:1.2;margin:.4em 0}
h2{font-size:1.4rem;margin:0 0 .6em}
.hero{text-align:center}.sub{font-size:1.1rem}
.small{font-size:.95rem;color:#6b645b;margin:.6em 0 0}
.btn{background:var(--accent);color:#fff;border:0;border-radius:12px;padding:14px 22px;font:inherit;font-weight:700;cursor:pointer;min-height:48px}
.btn:hover{filter:brightness(.95)}
.pairs{display:grid;gap:14px}
.pair{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px;background:var(--card);padding:8px;border-radius:12px;border:1px solid var(--line)}
.pair img{width:100%;height:auto;aspect-ratio:1;object-fit:cover;border-radius:8px;background:#eee}
.steps{list-style:none;padding:0;display:grid;gap:10px}
.steps li{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px}
.steps b{display:inline-block;width:2em;height:2em;line-height:2em;text-align:center;border-radius:50%;background:var(--accent);color:#fff;margin-right:8px}
.card{background:var(--card);border:2px solid var(--accent);border-radius:16px;padding:20px;text-align:center}
footer{padding-top:20px;padding-bottom:40px;font-size:.95rem;color:#6b645b}
a{color:var(--accent)}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;padding:18px}
.modal[hidden]{display:none}
.dialog{background:#fff;border-radius:16px;padding:24px;width:100%;max-width:420px;position:relative}
.dialog input{width:100%;font:inherit;padding:12px;border:1px solid #ccc;border-radius:10px;margin:8px 0 12px}
.close{position:absolute;top:6px;right:10px;background:none;border:0;font-size:1.8rem;cursor:pointer}
.msg{min-height:1.4em;margin:.5em 0 0;font-weight:600}
@media(min-width:640px){.pairs{grid-template-columns:1fr 1fr}h1{font-size:2.6rem}.steps{grid-template-columns:repeat(3,1fr)}}
.notice{max-width:760px;margin:0 auto;padding:8px 18px;background:#fff1d6;border-bottom:1px solid var(--line);font-size:1rem;text-align:center}
.btn:disabled{opacity:.6;cursor:wait}