:root { --bg: #f7f6f2; --card: #ffffff; --text: #1d2321; --muted: #57605c; --accent: #1b5e4b; --accent-text: #ffffff; --line: #dcd9cf; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #121614; --card: #1b201e; --text: #e8ece9; --muted: #a3ada8; --accent: #5fbf9c; --accent-text: #0d1311; --line: #2c3430; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 40rem; margin: 0 auto; padding: 2rem 1rem 3rem; }
.brand { font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 0 0 1.5rem; }
h1 { font-size: clamp(1.7rem, 5vw, 2.3rem); line-height: 1.2; margin: 0 0 1rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 0.75rem; }
p { margin: 0 0 1rem; }
.lead { font-size: 1.1rem; color: var(--muted); }
ul.findings { padding-left: 1.2rem; margin: 0 0 1rem; }
ul.findings li { margin-bottom: 0.75rem; }
.cite { color: var(--muted); font-size: 0.9rem; }
.offer { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1.25rem; margin: 2rem 0 1rem; }
.offer h2 { margin-top: 0; }
.disclosure { font-size: 0.95rem; color: var(--muted); }
.code { font-weight: 700; letter-spacing: 0.04em; }
a.cta { display: block; text-align: center; background: var(--accent); color: var(--accent-text); text-decoration: none; font-weight: 700; padding: 0.95rem 1rem; border-radius: 8px; margin-top: 1rem; }
a.cta:focus-visible, a:focus-visible { outline: 3px solid var(--text); outline-offset: 3px; }
.safety { font-size: 0.95rem; border-left: 3px solid var(--line); padding-left: 0.9rem; color: var(--muted); }
footer { margin-top: 2.5rem; padding-top: 1rem; border-top: 1px solid var(--line); font-size: 0.85rem; color: var(--muted); }
footer ol { padding-left: 1.2rem; }
footer a, .safety a { color: inherit; }