:root {
  --bg: #ffffff;
  --fg: #1c1c1a;
  --muted: #6b6a66;
  --line: #e3e2de;
  --soft: #f5f5f3;
  --accent: #1c1c1a;
  --accent-fg: #ffffff;
  --ok: #256d45;
  --warn: #9a5b00;
  --danger: #b3261e;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161615;
    --fg: #ecebe8;
    --muted: #a3a29d;
    --line: #2f2f2d;
    --soft: #1f1f1e;
    --accent: #ecebe8;
    --accent-fg: #161615;
    --ok: #7fcf9d;
    --warn: #e0b061;
    --danger: #f2877f;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  padding-inline: 20px;
}
a { color: inherit; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--fg); outline-offset: 2px; }
.top, .page, .foot { max-width: 720px; margin-inline: auto; }
.top { display: flex; justify-content: space-between; align-items: center; padding-block: 18px; }
.brand { font-weight: 650; text-decoration: none; }
.top nav, .foot nav { display: flex; gap: 18px; }
.top nav a, .foot nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover, .foot nav a:hover { color: var(--fg); }
.page { padding-block: 24px 64px; display: flex; flex-direction: column; gap: 48px; }
.foot { border-top: 1px solid var(--line); padding-block: 20px 40px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 13px; }
h1 { font-size: 2.1rem; line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.015em; text-wrap: balance; }
h2 { font-size: 1.2rem; margin: 0 0 12px; text-wrap: balance; }
.narrow h2 { margin-top: 32px; }
p { margin: 0 0 12px; }
.lede { font-size: 1.12rem; color: var(--muted); max-width: 60ch; }
.hero { padding-top: 24px; }
.cta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 20px; }
.hint, .fine { color: var(--muted); font-size: 14px; }
.fine { max-width: 62ch; }
.button {
  display: inline-block; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-fg);
  padding: 10px 16px; border-radius: 8px; font: inherit; font-weight: 550; text-decoration: none; cursor: pointer;
}
.button.secondary { background: transparent; color: var(--fg); border-color: var(--line); }
.button.danger { background: transparent; color: var(--danger); border-color: var(--line); }
.button.link { background: transparent; color: var(--muted); border-color: transparent; }
.row-buttons { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row-buttons form { margin: 0; }
.chat { display: flex; flex-direction: column; gap: 8px; max-width: 520px; }
.bubble { padding: 10px 14px; border-radius: 14px; max-width: 85%; }
.bubble.you { align-self: flex-end; background: var(--soft); border: 1px solid var(--line); }
.bubble.ai { align-self: flex-start; }
.steps { margin: 0; padding-left: 1.3em; display: flex; flex-direction: column; gap: 8px; }
.plain { margin: 0; padding-left: 1.1em; display: flex; flex-direction: column; gap: 6px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.plan { border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.plan p { color: var(--muted); margin: 6px 0 0; }
.plan-name { font-weight: 600; }
.price { font-size: 1.6rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.price span { font-size: 0.95rem; font-weight: 400; color: var(--muted); }
.faq { margin: 0; display: flex; flex-direction: column; gap: 4px; }
.faq dt { font-weight: 600; margin-top: 12px; }
.faq dd { margin: 0; color: var(--muted); max-width: 62ch; }
.narrow { max-width: 520px; }
.form { display: flex; flex-direction: column; gap: 6px; margin: 20px 0; }
.form label { font-size: 14px; font-weight: 550; margin-top: 8px; }
.form input { font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--fg); }
.form .button { margin-top: 14px; }
.alert { color: var(--danger); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.notice { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; background: var(--soft); }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 8px 20px; margin: 20px 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; word-break: break-word; }
.num { font-variant-numeric: tabular-nums; }
.pill { font-size: 12px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--line); margin-left: 6px; white-space: nowrap; }
.pill.ok { color: var(--ok); }
.pill.warn { color: var(--warn); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; }
.copy { display: inline-block; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--soft); word-break: break-all; }
.legal h2 { font-size: 1.05rem; }
@media (max-width: 480px) {
  h1 { font-size: 1.7rem; }
  .facts { grid-template-columns: 1fr; gap: 2px; }
  .facts dd { margin-bottom: 8px; }
}