:root {
  --bg: #f7f5f0;
  --paper: #ffffff;
  --ink: #1d232b;
  --muted: #5b6470;
  --line: #ddd8cc;
  --accent: #1f4e79;
  --accent-ink: #ffffff;
  --warn-bg: #fff6e0;
  --warn-line: #e6c36a;
  --err: #a1261b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171b;
    --paper: #1c2026;
    --ink: #e9e6df;
    --muted: #a7adb6;
    --line: #333a44;
    --accent: #7fb0e0;
    --accent-ink: #0c1620;
    --warn-bg: #2b2415;
    --warn-line: #6b5a2a;
    --err: #ff8a7a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.top { border-bottom: 1px solid var(--line); background: var(--paper); }
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 12px 16px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); text-decoration: none; font-size: 18px; }
.top nav { display: flex; gap: 16px; flex-wrap: wrap; }
.top nav a { color: var(--ink); text-decoration: none; }
.top nav a:hover { text-decoration: underline; }
main { padding: 24px 16px 48px; }
h1 { font-size: clamp(28px, 5vw, 42px); line-height: 1.15; margin: 16px 0 12px; }
h2 { font-size: 22px; margin: 32px 0 8px; }
h3 { margin: 4px 0; }
.lede { font-size: 19px; max-width: 46em; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.btn {
  display: inline-block; background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 8px;
  padding: 10px 16px; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; margin: 4px 8px 4px 0;
}
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.card, .plan, .nla-box { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; margin: 16px 0; }
.nla-box { background: var(--warn-bg); border-color: var(--warn-line); }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px 24px; padding-left: 18px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.plan .price { font-size: 32px; font-weight: 700; margin: 4px 0; }
.plan .aud { text-transform: uppercase; letter-spacing: .06em; font-size: 12px; color: var(--muted); margin: 0; }
.narrow { max-width: 720px; }
.check { display: flex; gap: 10px; align-items: flex-start; margin: 12px 0; }
.check input { margin-top: 6px; width: 18px; height: 18px; flex: none; }
.error { color: var(--err); font-weight: 600; }
.keybox textarea {
  width: 100%; font: 15px/1.5 ui-monospace, Consolas, monospace; padding: 12px; border-radius: 8px;
  border: 2px solid var(--accent); background: var(--paper); color: var(--ink); resize: vertical; word-break: break-all;
}
.keybox label { font-weight: 600; display: block; margin-bottom: 6px; }
.faq dt { font-weight: 700; margin-top: 12px; }
.faq dd { margin: 4px 0 0; }
.legal { max-width: 760px; }
.legal h2 { font-size: 19px; }
.dl { list-style: none; padding: 0; }
.dl li { margin: 8px 0; overflow-wrap: anywhere; }
code { overflow-wrap: anywhere; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; display: block; overflow-x: auto; }
.tbl th, .tbl td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
.tbl .k { font-size: 12px; }
.foot { border-top: 1px solid var(--line); background: var(--paper); font-size: 14px; color: var(--muted); padding: 16px 0 32px; }
.foot .nla { color: var(--ink); }
input[name="session_id"] { font: inherit; padding: 6px 8px; min-width: 16em; max-width: 100%; }