:root {
  --background: #FFFFFF;
  --surface: #F6F6F5;
  --text: #141414;
  --muted: #66665F;
  --accent: #8F6710;
  --border: rgba(20, 20, 20, 0.14);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #0E0E0E;
    --surface: #161616;
    --text: #E8E8E6;
    --muted: #9C9C96;
    --accent: #DDA63A;
    --border: rgba(232, 232, 230, 0.14);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px 64px;
}

header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
}

header img {
  width: 76px;
  height: 76px;
  border-radius: 18px;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

h1, h2, h3 {
  font-family: "New York", ui-serif, Georgia, "Times New Roman", serif;
}

h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.2;
}

.tagline {
  margin: 4px 0 0;
  color: var(--muted);
}

h2 {
  margin: 40px 0 10px;
  font-size: 21px;
}

h3 {
  margin: 22px 0 4px;
  font-size: 17px;
}

p, li { color: var(--text); }

.muted { color: var(--muted); }

a { color: var(--accent); }

ul { padding-left: 22px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 20px 16px;
  margin-top: 12px;
}

nav {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 15px;
}

code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.9em;
}