/* Base look for every product site: readable, calm, works from 320px phones up. */
:root {
  --bg: #f7f7f5; --panel: #ffffff; --ink: #1d1f23; --muted: #6a6f78; --line: #e3e3df;
  --accent: #2f5bea; --accent-ink: #ffffff; --ok: #1d7a46; --warn: #a15c00; --danger: #b42318;
  --radius: 12px; --shadow: 0 1px 2px rgba(0,0,0,.05), 0 4px 16px rgba(0,0,0,.04);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #121417; --panel: #1b1e23; --ink: #eceef2; --muted: #9aa1ad; --line: #2c3037;
          --accent: #6f8ff5; --accent-ink: #0d1020; --ok: #4cc38a; --warn: #f0a440; --danger: #f97066; color-scheme: dark; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
main { max-width: 960px; margin: 0 auto; padding: 24px 16px 48px; }
h1 { font-size: 1.8rem; line-height: 1.2; margin: 0 0 16px; }
h2 { font-size: 1.2rem; margin: 24px 0 8px; }
.top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px;
       padding: 12px 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
.top nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; }
.top nav a { text-decoration: none; color: var(--ink); }
.brand { font-weight: 700; text-decoration: none; color: var(--ink); font-size: 1.05rem; }
.bottom { max-width: 960px; margin: 0 auto; padding: 24px 16px 40px; color: var(--muted); font-size: .9rem; border-top: 1px solid var(--line); }
.bottom nav { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-bottom: 8px; }
.bottom a { color: var(--muted); }
.notice { max-width: 960px; margin: 12px auto 0; padding: 10px 14px; border-radius: var(--radius); background: #e8f0ff; color: #1b3a8a; }
.notice.warn { background: #fff4e0; color: #7a4600; }
@media (prefers-color-scheme: dark) { .notice { background: #1d2b4d; color: #cdd9ff; } .notice.warn { background: #3a2a10; color: #ffd8a0; } }
main > .notice { margin: 0 0 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin: 0 0 16px; box-shadow: var(--shadow); }
.narrow { max-width: 440px; margin-left: auto; margin-right: auto; }
.hero { padding: 32px 0 16px; }
.hero h1 { font-size: 2.2rem; }
.lead { font-size: 1.15rem; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: .88rem; }
.error { color: var(--danger); font-weight: 600; }
.button { display: inline-block; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink);
          padding: 10px 18px; border-radius: 10px; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.button:hover { filter: brightness(1.05); }
.button:active { transform: translateY(1px); }
.button:disabled, .button[aria-busy="true"] { opacity: .6; cursor: progress; }
.button.ghost { background: transparent; color: var(--accent); }
.button.small { padding: 6px 12px; font-size: .9rem; }
.button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.button.ghost.danger { background: transparent; color: var(--danger); }
button.link { background: none; border: 0; padding: 0; font: inherit; color: var(--ink); cursor: pointer; }
form.inline { display: inline; margin: 0; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.stack { display: grid; gap: 12px; }
label { display: grid; gap: 4px; font-weight: 600; font-size: .95rem; }
input, select, textarea { width: 100%; font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px;
                          background: var(--panel); color: var(--ink); }
.row input { width: auto; flex: 1 1 160px; }
input:focus, select:focus, textarea:focus, .button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.tag { display: inline-block; font-size: .8rem; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.tag.ok { color: var(--ok); border-color: currentColor; }
.tag.warn { color: var(--warn); border-color: currentColor; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 16px 0; }
.plan { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 8px; }
.plan.highlight { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), var(--shadow); }
.plan h2 { margin: 0; }
.price { font-size: 1.6rem; font-weight: 700; margin: 0; }
.plan ul { padding-left: 18px; margin: 0; }
.plan form, .plan .button { margin-top: auto; }
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 16px; margin-bottom: 8px; }
.faq summary { cursor: pointer; font-weight: 600; }
.legal { max-width: 720px; }
.danger-zone { border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); }
table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .85rem; color: var(--muted); font-weight: 600; }
pre { white-space: pre-wrap; word-break: break-word; font-size: .85rem; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; display: grid; gap: 2px; }
.stat span { color: var(--muted); font-size: .85rem; }
.stat strong { font-size: 1.4rem; }
.stat small { color: var(--muted); }
.stat.warn strong { color: var(--warn); }
@media (max-width: 480px) { h1 { font-size: 1.5rem; } .hero h1 { font-size: 1.8rem; } .card { padding: 14px; } }