:root {
  --bg: #ffffff;
  --fg: #16181d;
  --muted: #5b6270;
  --line: #e4e7ec;
  --accent: #1f5fd0;
  --accent-soft: #eef3fd;
  --code-bg: #f5f6f8;
  --radius: 10px;
  --maxw: 760px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --fg: #e8eaee;
    --muted: #9aa2b1;
    --line: #262a33;
    --accent: #6ea3ff;
    --accent-soft: #161d2b;
    --code-bg: #171a21;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

code {
  background: var(--code-bg);
  padding: .12em .38em;
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: .9em;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- chrome ---- */
.site {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.site .brand { font-weight: 650; font-size: 1.02rem; color: var(--fg); letter-spacing: -.01em; }
.site nav { display: flex; gap: 18px; flex-wrap: wrap; font-size: .93rem; }
.site nav a { color: var(--muted); }
.site nav a:hover { color: var(--fg); }

footer.site {
  border-bottom: none;
  border-top: 1px solid var(--line);
  margin-top: 56px;
  display: block;
  font-size: .9rem;
  color: var(--muted);
}
footer.site p { margin: 4px 0; }
footer.site .small { font-size: .82rem; color: var(--muted); opacity: .85; }

/* ---- content ---- */
main { max-width: var(--maxw); margin: 0 auto; padding: 34px 20px 10px; }
main.legal { max-width: 720px; }

h1 { font-size: 1.9rem; line-height: 1.25; letter-spacing: -.02em; margin: 0 0 12px; }
h2 { font-size: 1.28rem; line-height: 1.35; letter-spacing: -.01em; margin: 40px 0 10px; }
h3 { font-size: 1.04rem; margin: 24px 0 6px; }
p { margin: 0 0 14px; }
ul, ol { margin: 0 0 16px; padding-left: 22px; }
li { margin: 5px 0; }

.lede { font-size: 1.06rem; color: var(--muted); margin-bottom: 20px; }
.meta { color: var(--muted); font-size: .88rem; margin-bottom: 26px; }
.tag { color: var(--muted); font-size: .93rem; margin: 2px 0 12px; }

/* ---- hero ---- */
.hero { padding: 18px 0 8px; }
.hero h1 { max-width: 26ch; font-size: 2.05rem; }
.hero .lede { max-width: 58ch; }
.cta { margin-top: 22px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 9px 16px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn:hover { text-decoration: none; filter: brightness(1.06); }
.btn.big { padding: 12px 22px; font-size: 1rem; }
.btn.disabled { background: var(--muted); opacity: .5; cursor: not-allowed; }

/* ---- cards ---- */
.cards { display: grid; gap: 18px; margin: 34px 0 10px; }
.cover {
  display: block; width: 100%; height: auto; border-radius: 10px;
  border: 1px solid var(--line); margin: 0 0 16px; background: #0b0d12;
}
@media (min-width: 720px) { .cards { grid-template-columns: 1fr 1fr; } }

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
}
.card h2 { margin: 0 0 2px; font-size: 1.16rem; }
.card p { font-size: .95rem; }
.card .meta { font-size: .85rem; margin-bottom: 12px; }
.price-inline { font-weight: 650; margin: 0 0 14px; }

/* ---- pricing tiers ---- */
.tier {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
  margin: 20px 0;
}
.tier h2 { margin: 0 0 2px; font-size: 1.24rem; }
.tier .what { color: var(--muted); margin: 0 0 10px; font-size: .95rem; }
.tier .price { font-size: 1.85rem; font-weight: 660; letter-spacing: -.02em; margin: 0 0 14px; }
.tier .price .once { font-size: .82rem; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.tier .license { font-size: .88rem; color: var(--muted); border-top: 1px solid var(--line); padding-top: 12px; }
.tier .buy { margin: 14px 0 0; }

.notes { margin-top: 40px; }
.notes h2 { margin-top: 32px; }

/* ---- faq ---- */
.faq { margin-top: 40px; }
.faq h3 { margin-top: 20px; }

/* ---- legal ---- */
.legal h2 { border-top: 1px solid var(--line); padding-top: 22px; }
.legal h2:first-of-type { border-top: none; padding-top: 0; }
.legal strong { font-weight: 620; }