:root {
  --bg: #f6f7f9; --panel: #ffffff; --ink: #1b1f27; --muted: #5b6474; --rule: #dde1e8; --accent: #3a5bd9;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1218; --panel: #171b23; --ink: #e8ebf0; --muted: #9aa3b2; --rule: #2a303c; --accent: #8ea6ff; }
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main {
  max-width: 680px; margin: 0 auto;
  padding: max(24px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) 48px max(16px, env(safe-area-inset-left));
}
h1 { font-size: 1.8rem; line-height: 1.2; margin: 0 0 .25rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 .4rem; }
p, ul { margin: .6rem 0; }
ul { padding-left: 1.3rem; }
li { margin: .25rem 0; }
a { color: var(--accent); text-underline-offset: 3px; }
.muted { color: var(--muted); }
.card { background: var(--panel); border: 1px solid var(--rule); border-radius: 14px; padding: 18px 20px; margin: 1.25rem 0; }
.email { font-size: 1.2rem; font-weight: 600; overflow-wrap: anywhere; }
footer { margin-top: 2.5rem; padding-top: 1rem; border-top: 1px solid var(--rule); font-size: .9rem; color: var(--muted); }
footer a { color: inherit; }