:root {
  --bg: #fafaf9;
  --card: #ffffff;
  --ink: #18181b;
  --muted: #52525b;
  --faint: #71717a;
  --line: #e4e4e7;
  --accent: #6d28d9;
  --accent-ink: #ffffff;
  --good: #047857;
  --bad: #b91c1c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113;
    --card: #1c1c20;
    --ink: #f4f4f5;
    --muted: #c4c4cc;
    --faint: #a1a1aa;
    --line: #2e2e35;
    --accent: #a78bfa;
    --accent-ink: #111113;
    --good: #34d399;
    --bad: #f87171;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }
header.top { padding: 20px 0; border-bottom: 1px solid var(--line); }
header.top a { color: var(--ink); text-decoration: none; font-weight: 700; letter-spacing: -0.01em; }
footer { color: var(--faint); font-size: 14px; padding: 40px 0 48px; border-top: 1px solid var(--line); margin-top: 56px; }
footer a { color: var(--faint); }
.eyebrow { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); font-weight: 700; margin: 0; }
h1 { font-size: clamp(30px, 6vw, 44px); line-height: 1.12; letter-spacing: -0.02em; margin: 12px 0 16px; }
h2 { font-size: 24px; line-height: 1.25; margin: 0 0 8px; letter-spacing: -0.01em; }
.lede { font-size: 19px; color: var(--muted); margin: 0 0 28px; }
.hero { padding: 48px 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
form .row { display: flex; gap: 8px; flex-wrap: wrap; }
input[type=email] {
  flex: 1 1 240px; min-width: 0; font: inherit; padding: 12px 14px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); color: var(--ink);
}
button, .button {
  font: inherit; font-weight: 700; padding: 12px 20px; border-radius: 8px; border: 0; cursor: pointer;
  background: var(--accent); color: var(--accent-ink); text-decoration: none; display: inline-block;
}
button[disabled] { opacity: 0.6; cursor: wait; }
label.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--muted); margin-top: 14px; }
label.consent input { margin-top: 4px; }
.small { font-size: 14px; color: var(--faint); }
.error { color: var(--bad); font-size: 15px; margin: 12px 0 0; min-height: 1.4em; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.points { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 14px; }
.points li { padding-left: 28px; position: relative; color: var(--muted); }
.points li::before { content: "→"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.teaser { margin-top: 40px; }
.teaser ol { padding-left: 20px; margin: 8px 0 0; color: var(--muted); }
.teaser li { margin: 6px 0; }
.blur { filter: blur(4px); user-select: none; }

/* Report pages */
.report-head { padding: 40px 0 8px; }
.section { margin-top: 48px; }
.section .intro { color: var(--muted); margin: 0 0 20px; }
.post { border-top: 1px solid var(--line); padding: 16px 0; }
.post .meta { font-size: 15px; color: var(--faint); }
.post .mult { font-weight: 800; color: var(--good); font-size: 18px; margin-right: 6px; }
.post .hook { margin: 6px 0 4px; font-style: italic; color: var(--muted); }
.post .why { margin: 0; }
.takeaways { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; margin-top: 12px; }
.takeaways h3 { margin: 0 0 6px; font-size: 16px; }
.takeaways ul { margin: 0; padding-left: 20px; }
.method { margin-top: 48px; font-size: 15px; color: var(--muted); }
.archive a { display: inline-block; margin-right: 12px; }