:root {
  --bg: #fafaf7; --fg: #1d1f24; --muted: #5d6270; --card: #fff; --line: #e3e3dc;
  --accent: #2b6cb0; --accent-fg: #fff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a; --fg: #e8e9ec; --muted: #9aa0ad; --card: #1d2026; --line: #2d313a;
    --accent: #6aa5e8; --accent-fg: #0d1116;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
main, .top, footer { max-width: 960px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding-top: 14px; padding-bottom: 14px; }
.brand { font-weight: 700; color: var(--fg); text-decoration: none; }
.top-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.btn { display: inline-block; text-decoration: none; text-align: center; font: inherit; font-weight: 600; cursor: pointer; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-fg); padding: 8px 16px; border-radius: 8px; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.big { padding: 12px 22px; font-size: 17px; }
.btn:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
section { padding: 32px 0; }
.hero { padding: 48px 0 32px; }
h1 { font-size: clamp(28px, 6vw, 46px); line-height: 1.15; margin: 0 0 16px; }
h2 { font-size: 24px; margin: 0 0 12px; }
h3 { margin: 4px 0; font-size: 17px; }
.lead { font-size: 18px; color: var(--muted); max-width: 640px; }
.sub { color: var(--muted); margin-top: 0; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.cards { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.cards li { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.cards p { margin: 0; color: var(--muted); font-size: 15px; }
.num { display: inline-flex; width: 26px; height: 26px; align-items: center; justify-content: center; border-radius: 50%; background: var(--accent); color: var(--accent-fg); font-size: 14px; font-weight: 700; }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; }
.plain { padding-left: 20px; margin: 0; }
.plain li { margin-bottom: 8px; }
.final { text-align: center; border-top: 1px solid var(--line); }
.final .cta { justify-content: center; }
footer { padding-top: 24px; padding-bottom: 32px; color: var(--muted); font-size: 14px; }
@media (max-width: 480px) {
  .top-actions .btn { padding: 7px 12px; font-size: 14px; }
  .cta .btn { width: 100%; }
}