/* Streakflame — the site. Palette follows the app: near-black ground, flame accent. */
:root {
  --surface: #ffffff;
  --surface-raised: #f5f5f7;
  --ink: #1c1c1e;
  --ink-soft: #5f5b60;
  --accent: #ff7a19;
}
@media (prefers-color-scheme: dark) {
  :root {
    --surface: #0e0d12;
    --surface-raised: #1c1b22;
    --ink: #f2f2f4;
    --ink-soft: #a5a2ab;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 0 24px 96px;
  background: var(--surface);
  color: var(--ink);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 680px; margin: 0 auto; }
header { padding: 56px 0 8px; }
a { color: var(--accent); text-underline-offset: 3px; }
.back { display: inline-block; margin: 40px 0 28px; color: var(--ink-soft); text-decoration: none; font-size: 15px; }
.back:hover { color: var(--ink); }
h1 { font-size: 40px; line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 8px; }
h2 { font-size: 24px; margin: 44px 0 10px; letter-spacing: -0.01em; }
h3 { font-size: 18px; margin: 26px 0 6px; }
.lede { font-size: 20px; color: var(--ink-soft); margin: 0 0 8px; }
.meta { color: var(--ink-soft); font-size: 15px; margin: 0 0 32px; }
.mark { width: 84px; height: 84px; border-radius: 19px; display: block; margin-bottom: 22px; }
.card {
  background: var(--surface-raised);
  border: 1px solid color-mix(in srgb, var(--ink-soft) 22%, transparent);
  border-radius: 16px;
  padding: 20px 22px;
  margin: 18px 0;
}
.big { font-size: 1.2rem; font-weight: 600; }
ul { padding-left: 22px; }
li { margin: 6px 0; }
footer { max-width: 680px; margin: 64px auto 0; color: var(--ink-soft); font-size: 15px; }
footer a { color: var(--ink-soft); }