*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink: #111;
  --muted: #666;
  --border: #e0e0e0;
  --accent: #0057ff;
  --bg: #fff;
  --tag-bg: #f4f4f4;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Nav */
nav { margin-bottom: 48px; font-size: 14px; color: var(--muted); }
nav a { color: var(--muted); }

/* Title block */
.meta { font-size: 13px; color: var(--muted); margin-bottom: 8px; letter-spacing: .02em; text-transform: uppercase; }
h1 { font-size: 2rem; font-weight: 700; line-height: 1.2; margin-bottom: 6px; }
.tagline { color: var(--muted); font-size: 1rem; margin-bottom: 40px; }

/* Section headings */
h2 { font-size: 1.1rem; font-weight: 600; margin: 40px 0 12px; letter-spacing: .01em; }
h3 { font-size: .95rem; font-weight: 600; color: var(--muted); margin: 28px 0 8px; text-transform: uppercase; letter-spacing: .06em; }

/* Prose */
p { margin-bottom: 16px; }
ul, ol { margin: 0 0 16px 24px; }
li { margin-bottom: 6px; }
strong { font-weight: 600; }

/* Divider */
hr { border: none; border-top: 1px solid var(--border); margin: 40px 0; }

/* Before / After blocks */
.rewrite { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin: 16px 0 32px; }
.rewrite-before, .rewrite-after {
  padding: 20px 24px;
}
.rewrite-before { background: #fff8f8; border-bottom: 1px solid var(--border); }
.rewrite-after  { background: #f6fff8; }
.rewrite-label { font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.rewrite-before .rewrite-label { color: #c0392b; }
.rewrite-after  .rewrite-label { color: #27ae60; }
.rewrite-content { font-size: 15px; line-height: 1.6; white-space: pre-wrap; }

/* Killer cards */
.killer { padding: 16px 0; border-bottom: 1px solid var(--border); }
.killer:last-child { border-bottom: none; }
.killer-num { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 4px; }
.killer h3 { margin: 0 0 8px; font-size: 1rem; font-weight: 600; color: var(--ink); text-transform: none; letter-spacing: normal; }

/* CTA block */
.cta-block { margin-top: 56px; padding: 28px 24px; background: #f8f9ff; border: 1px solid #d0d8ff; border-radius: 8px; font-size: 15px; }
.cta-block p { margin-bottom: 12px; }
.cta-block p:last-child { margin-bottom: 0; color: var(--muted); font-size: 13px; }