:root { --ink: #16201b; --muted: #5d6a63; --accent: #0a8a5f; --bg: #f6f7f4; }
* { box-sizing: border-box; }
body { margin: 0; font: 17px/1.6 system-ui, "Segoe UI", sans-serif; color: var(--ink); background: var(--bg); }
.wrap { max-width: 720px; margin: 0 auto; padding: 12vh 24px; }
.tag { display: inline-block; padding: 4px 12px; border-radius: 99px; background: #dff2e9; color: var(--accent); font-weight: 600; font-size: 14px; }
h1 { font-size: clamp(32px, 6vw, 52px); line-height: 1.1; margin: 16px 0; letter-spacing: -0.02em; }
p { color: var(--muted); }
code { background: #e9ece8; padding: 2px 6px; border-radius: 6px; font-size: 0.9em; }