:root {
  --fg: #1a1a1a;
  --bg: #fafaf7;
  --muted: #666;
  --accent: #0e7490;
  --code-bg: #f0eee8;
  --border: #e5e3dd;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #ededed;
    --bg: #14140f;
    --muted: #999;
    --accent: #38bdf8;
    --code-bg: #1f1f1a;
    --border: #2a2a25;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
}
.wrap { max-width: 720px; margin: 0 auto; padding: 64px 24px; }
header { margin-bottom: 56px; }
.brand {
  font: 600 18px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--fg); text-decoration: none;
}
.brand::before { content: "💰"; font-size: 22px; }
h1 {
  font: 700 36px/1.2 ui-sans-serif, system-ui, sans-serif;
  margin: 24px 0 16px;
  letter-spacing: -0.02em;
}
h1 em { font-style: normal; color: var(--accent); }
.lede { font-size: 19px; line-height: 1.5; color: var(--muted); margin: 0 0 32px; }
h2 { font: 600 22px/1.3 ui-sans-serif, system-ui, sans-serif; margin: 48px 0 16px; letter-spacing: -0.01em; }
h3 { font: 600 16px/1.3 ui-sans-serif, system-ui, sans-serif; margin: 24px 0 8px; }
p { margin: 12px 0; }
ul, ol { padding-left: 20px; margin: 12px 0; }
li { margin: 6px 0; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; }
code { background: var(--code-bg); padding: 2px 6px; border-radius: 4px; }
pre { background: var(--code-bg); padding: 16px; border-radius: 6px; overflow-x: auto; border: 1px solid var(--border); }
pre code { background: none; padding: 0; }
.cta { display: inline-block; background: var(--accent); color: white; padding: 12px 24px; border-radius: 6px; text-decoration: none; font-weight: 600; border: none; cursor: pointer; font-size: 16px; }
.cta:hover { opacity: 0.9; }
.waitlist { background: var(--code-bg); padding: 24px; border-radius: 8px; margin: 32px 0; border: 1px solid var(--border); }
.waitlist form { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.waitlist input[type=email] { flex: 1; min-width: 220px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--fg); font-size: 16px; }
.waitlist input[type=email]:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
.tier-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); margin: 24px 0; }
.tier { border: 1px solid var(--border); padding: 20px; border-radius: 8px; background: var(--code-bg); }
.tier h3 { margin-top: 0; }
.tier .price { font: 700 22px/1 ui-sans-serif, system-ui, sans-serif; color: var(--accent); margin: 4px 0 12px; }
.tier ul { font-size: 14px; padding-left: 18px; }
.tier li { margin: 4px 0; }
footer { margin-top: 80px; padding-top: 32px; border-top: 1px solid var(--border); font-size: 14px; color: var(--muted); }
footer a { color: var(--muted); text-decoration: underline; }
a { color: var(--accent); }
.muted { color: var(--muted); font-size: 14px; }
.article-meta { font-size: 14px; color: var(--muted); margin-bottom: 24px; }
.article-meta a { color: var(--muted); text-decoration: underline; }
.article-list { list-style: none; padding: 0; }
.article-list li { padding: 16px 0; border-bottom: 1px solid var(--border); }
.article-list a { font-weight: 600; font-size: 17px; }
.article-list .excerpt { color: var(--muted); margin-top: 4px; font-size: 15px; }
.note { background: var(--code-bg); padding: 16px; border-radius: 6px; border-left: 3px solid var(--accent); margin: 16px 0; }
table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 15px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { background: var(--code-bg); }
.stat { font-size: 32px; font-weight: 700; color: var(--accent); }