:root { --bg:#f7f7fb; --card:#fff; --text:#16162a; --muted:#5b5b73; --brand:#4f46e5; --line:#e4e4ee; }
@media (prefers-color-scheme: dark) { :root { --bg:#111120; --card:#1b1b2e; --text:#ececf5; --muted:#a3a3bd; --brand:#8b84ff; --line:#2c2c44; } }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--text); font:16px/1.6 "Segoe UI", system-ui, Arial, sans-serif; }
main { max-width: 880px; margin: 0 auto; padding: 36px 16px 64px; }
header { display:flex; align-items:center; gap:10px; margin-bottom: 28px; }
header img { width: 40px; height: 40px; }
header a { color: var(--text); text-decoration: none; font-weight: 700; font-size: 20px; }
h1 { font-size: 34px; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 20px; margin: 28px 0 8px; }
p, li { color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin: 16px 0; }
.steps { display:grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.steps .card { margin: 0; }
.steps b { color: var(--text); display:block; }
.btn { display:inline-block; background: var(--brand); color:#fff; padding: 12px 20px; border-radius: 10px; font-weight: 600; text-decoration:none; }
nav.foot { margin-top: 48px; display:flex; gap: 16px; flex-wrap: wrap; }
nav.foot a { color: var(--muted); }

/* site menu, footer, pages */
.top { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.bar { max-width: 880px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--text); font-weight: 700; font-size: 18px; text-decoration: none; margin-right: auto; }
.brand img { width: 30px; height: 30px; }
.menu { display: flex; gap: 4px; flex-wrap: wrap; }
.menu a { color: var(--muted); text-decoration: none; padding: 6px 10px; border-radius: 8px; font-weight: 600; font-size: 15px; }
.menu a:hover, .menu a.on { color: var(--brand); background: color-mix(in srgb, var(--brand) 10%, transparent); }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer nav { display: flex; gap: 14px; flex-wrap: wrap; }
footer a { color: var(--muted); }
.hero { padding: 12px 0 8px; }
.lead { font-size: 18px; }
.muted { color: var(--muted); } .small { font-size: 14px; }
.btn { margin: 4px 6px 4px 0; border: 0; cursor: pointer; font: inherit; font-weight: 600; }
.btn.ghost { background: transparent; color: var(--brand); border: 2px solid var(--brand); padding: 10px 18px; }
.stores, .plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin: 16px 0; }
.store { margin: 0; display: flex; flex-direction: column; gap: 2px; color: var(--text); text-decoration: none; }
.store .cta { margin-top: 8px; font-weight: 600; color: var(--muted); font-size: 14px; }
.store.live { border-color: var(--brand); } .store.live .cta { color: var(--brand); }
.plan { margin: 0; position: relative; display: flex; flex-direction: column; }
.plan b { font-size: 18px; } .plan .price { font-size: 34px; font-weight: 800; margin-top: 6px; }
.plan .per { color: var(--muted); font-size: 14px; } .plan ul { padding-left: 18px; margin: 12px 0; flex: 1; }
.plan.best { border: 2px solid var(--brand); }
.plan .tag { position: absolute; top: -11px; right: 14px; background: var(--brand); color: #fff; font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 99px; }
.howto li { margin: 6px 0; }
.form label { display: block; font-weight: 600; margin-bottom: 12px; }
.form input, .form select, .form textarea { display: block; width: 100%; margin-top: 4px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--text); font: inherit; }
.form .hp { position: absolute; left: -9999px; }
.note { border-radius: 10px; padding: 12px 14px; margin: 12px 0; font-weight: 600; }
.note.ok { background: #d1fae5; color: #065f46; } .note.err { background: #fee2e2; color: #991b1b; }
@media (max-width: 560px) { h1 { font-size: 28px; } .menu a { padding: 6px 7px; font-size: 14px; } }
.mine { border: 2px solid var(--brand); }
.mine b { font-size: 20px; display: block; } .mine p { margin: 6px 0 12px; }
.store.yours { outline: 3px solid color-mix(in srgb, var(--brand) 35%, transparent); }