:root {
  --ink-900: #0D1930;
  --ink-800: #1B2F57;
  --paper: #FFFFFF;
  --fold: #A6C0E6;
  --accent: #E8B04B;
  --muted: #9FB0CE;
  --rule: rgba(255,255,255,0.12);
  --error: #E8A0A0;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ink-900);
  color: var(--paper);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 720px; margin: 0 auto; padding: 32px 24px 80px; }

header { display: flex; align-items: center; gap: 14px; padding: 16px 0 48px; }
header img { width: 40px; height: 40px; border-radius: 10px; }
header .name { font-size: 16px; font-weight: 600; letter-spacing: 0.01em; }
header .name a { color: var(--paper); text-decoration: none; }

.eyebrow {
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); font-weight: 600; margin: 0 0 12px;
}

h1 {
  font-size: clamp(30px, 6vw, 42px);
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.lede { font-size: 18px; color: var(--muted); margin: 0 0 8px; max-width: 60ch; }

.updated {
  font-size: 13px; color: var(--muted); margin: 0 0 40px;
  padding-bottom: 24px; border-bottom: 1px solid var(--rule);
}

h2 {
  font-size: 20px; line-height: 1.3; margin: 36px 0 8px;
  letter-spacing: -0.01em;
}

p { margin: 0 0 16px; max-width: 66ch; }
ul { margin: 0 0 16px; padding-left: 22px; max-width: 66ch; }
li { margin: 0 0 8px; }

a { color: var(--fold); text-underline-offset: 3px; }
a.email { font-weight: 600; }

strong { font-weight: 600; }

.callout {
  background: var(--ink-800);
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 20px 22px;
  margin: 0 0 28px;
}
.callout p:last-child { margin-bottom: 0; }

footer {
  margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--rule);
  font-size: 13px; color: var(--muted);
  display: flex; flex-wrap: wrap; gap: 12px 20px;
}
footer a { color: var(--muted); }

@media (prefers-color-scheme: light) {
  body { background: #F6F7FB; color: var(--ink-900); }
  :root { --fold: #1B4F86; --rule: rgba(13,25,48,0.12); --muted: #5A6B8C; --error: #9B2C2C; }
  .callout { background: #FFFFFF; }
  header .name a { color: var(--ink-900); }
}