:root {
  color-scheme: dark;
  --bg: #0c0b0a;
  --fg: #f3efe8;
  --muted: #9a9388;
  --accent: #d4cfc4;
  --border: rgb(243 239 232 / 0.1);
  --surface: #161412;
  font-family: "Outfit", ui-sans-serif, system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); }
body { min-height: 100dvh; line-height: 1.55; }
a { color: var(--accent); text-underline-offset: 3px; }
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: rgb(12 11 10 / 0.92); backdrop-filter: blur(10px);
}
header .mark { font-family: "Fraunces", ui-serif, Georgia, serif; font-style: italic; font-size: 1.5rem; color: var(--fg); text-decoration: none; }
header nav { display: flex; gap: 1.25rem; font-size: 0.9rem; }
header nav a { color: var(--muted); text-decoration: none; }
header nav a:hover { color: var(--fg); }
main { max-width: 42rem; margin: 0 auto; padding: 2.5rem 1.5rem 4rem; }
h1 { font-family: "Fraunces", ui-serif, Georgia, serif; font-style: italic; font-weight: 500; font-size: clamp(2rem, 5vw, 2.75rem); letter-spacing: -0.02em; margin: 0 0 0.75rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 0.6rem; font-weight: 600; }
p, li { color: var(--muted); }
ul { padding-left: 1.2rem; }
li { margin: 0.35rem 0; }
.lead { font-size: 1.05rem; color: var(--fg); }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 1.25rem 1.4rem; margin: 1.5rem 0;
}
.btn {
  display: inline-block; margin-top: 1.25rem; background: var(--accent); color: var(--bg);
  padding: 0.85rem 1.3rem; border-radius: 12px; text-decoration: none; font-weight: 600;
}
footer { border-top: 1px solid var(--border); padding: 1.5rem; text-align: center; font-size: 0.85rem; color: var(--muted); }
.note { font-size: 0.85rem; color: var(--muted); margin-top: 2rem; }