:root { color-scheme: dark; }
* { box-sizing: border-box; }
body { margin: 0; display: flex; flex-direction: column; min-height: 100vh; min-height: 100dvh; background: #070b12; color: #c7d6e6;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif; line-height: 1.55; }
main { flex: 1 0 auto; width: min(820px, 100% - 2rem); margin: 0 auto; padding: 2rem 0 3rem; }
h1 { font-family: ui-monospace, Menlo, monospace; letter-spacing: .12em; color: #7fd4ff; font-size: clamp(1.4rem, 4vw, 2rem); margin: .4rem 0 .2rem; }
h2 { color: #e6eef7; font-size: 1.08rem; margin: 1.4rem 0 .3rem; }
a { color: #7fd4ff; }
.back { font-size: .9rem; text-decoration: none; }
.updated { color: #8fa3b8; font-size: .85rem; margin: 0 0 1.2rem; }
.lead { font-size: 1.05rem; color: #e6eef7; border-left: 3px solid #ff5a2a; padding-left: .8rem; }
.card { background: #0d1522; border: 1px solid rgba(127, 212, 255, .14); border-radius: 10px; padding: 1.1rem 1.3rem; margin-top: 1rem; }
li { margin: .25rem 0; }
.site-footer { position: sticky; bottom: 0; z-index: 20; margin-top: auto; display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .3rem 1.2rem; min-height: 40px; padding: .45rem clamp(.8rem, 3vw, 2rem); background: #0b1220;
  border-top: 1px solid rgba(255, 255, 255, .06); box-shadow: 0 -6px 20px rgba(0, 0, 0, .3); font-size: .76rem; color: rgba(199, 214, 230, .75); }
.footer-legal { display: inline-flex; align-items: center; gap: .4rem; flex-wrap: wrap; }
.site-footer a { color: rgba(199, 214, 230, .75); text-decoration: none; }
.site-footer a:hover { color: #7aa7ff; text-decoration: underline; }
@media (max-width: 760px) { .site-footer { justify-content: center; text-align: center; } }