:root {
  --ink: #12141A;
  --ink-soft: #5B6270;
  --ink-mute: #8A909E;
  --paper: #F7F8FA;
  --surface: #FFFFFF;
  --border: #E4E7EC;
  --accent: #3550C4;
  --accent-deep: #1E2E82;
  --accent-surface: #EEF1FF;
  --ai-likely: #C7333B;
  --ai-likely-surface: #FBEAEA;
  --real-likely: #127A54;
  --real-likely-surface: #E7F6EF;
  --uncertain: #A5720E;
  --uncertain-surface: #FBF2DF;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #F4F5F7;
    --ink-soft: #A7ADBA;
    --ink-mute: #6E7480;
    --paper: #0B0C0F;
    --surface: #16181D;
    --border: #272A31;
    --accent: #8CA3FF;
    --accent-deep: #C3CFFF;
    --accent-surface: #1A2247;
    --ai-likely: #F27373;
    --ai-likely-surface: #2E1717;
    --real-likely: #4FCE9B;
    --real-likely-surface: #122A20;
    --uncertain: #E0AC4E;
    --uncertain-surface: #2E2410;
  }
}
:root[data-theme="dark"] {
  --ink: #F4F5F7;
  --ink-soft: #A7ADBA;
  --ink-mute: #6E7480;
  --paper: #0B0C0F;
  --surface: #16181D;
  --border: #272A31;
  --accent: #8CA3FF;
  --accent-deep: #C3CFFF;
  --accent-surface: #1A2247;
  --ai-likely: #F27373;
  --ai-likely-surface: #2E1717;
  --real-likely: #4FCE9B;
  --real-likely-surface: #122A20;
  --uncertain: #E0AC4E;
  --uncertain-surface: #2E2410;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 720px; margin: 0 auto; padding: 0 24px; }

header.site {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { width: 28px; height: 28px; border-radius: 7px; display: block; }
.brand span {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.2px;
}
nav.site-nav { display: flex; gap: 24px; }
nav.site-nav a { color: var(--ink-soft); text-decoration: none; font-size: 15px; font-weight: 500; }
nav.site-nav a:hover { color: var(--ink); }

main { padding: 56px 0 80px; }

h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 600;
  font-size: 34px;
  line-height: 1.15;
  letter-spacing: -0.4px;
  margin: 0 0 12px;
}
h2 {
  font-size: 20px;
  font-weight: 600;
  margin: 40px 0 12px;
}
p.lede {
  color: var(--ink-soft);
  font-size: 18px;
  margin: 0 0 32px;
  max-width: 56ch;
}
p, li { color: var(--ink-soft); }
p.updated { color: var(--ink-mute); font-size: 14px; margin-bottom: 32px; }
a { color: var(--accent); }
ul { padding-left: 20px; }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 22px;
  padding: 14px 24px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-secondary { background: var(--surface); color: var(--ink); border: 1px solid var(--border); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 16px;
}
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0; }

.badges { display: flex; gap: 10px; flex-wrap: wrap; margin: 24px 0; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
}
.badge-real { background: var(--real-likely-surface); color: var(--real-likely); }
.badge-ai { background: var(--ai-likely-surface); color: var(--ai-likely); }
.badge-uncertain { background: var(--uncertain-surface); color: var(--uncertain); }

footer.site {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  color: var(--ink-mute);
  font-size: 13px;
}
footer.site .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer.site a { color: var(--ink-mute); }

@media (max-width: 480px) {
  h1 { font-size: 28px; }
  nav.site-nav { gap: 16px; }
}