:root { --ink: #1b1f24; --muted: #4a5360; --bg: #fbfaf7; --accent: #1f5fae; --rule: #dcd8cf; --card: #f1eee6; }
* { box-sizing: border-box; }
html { font-size: 18px; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.65;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: .5rem 1rem; }
.skip:focus { left: 0; z-index: 10; }
.site-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 1.5rem;
  max-width: 54rem; margin: 0 auto; padding: 1rem 1.25rem; border-bottom: 1px solid var(--rule); }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; }
nav a { color: var(--ink); text-decoration: none; padding: .25rem 0; border-bottom: 2px solid transparent; }
nav a:hover { border-bottom-color: var(--muted); }
nav a[aria-current="page"] { border-bottom-color: var(--accent); font-weight: 600; }
main { max-width: 42rem; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }
.hero-icon { display: block; border-radius: 22%; margin: .5rem 0 0; }
h1 { font-size: 2.1rem; line-height: 1.2; margin: 1rem 0 .75rem; }
h2 { font-size: 1.3rem; line-height: 1.3; margin: 2.2rem 0 .5rem; }
p, li { max-width: 42rem; }
li { margin: .35rem 0; }
a { color: var(--accent); text-underline-offset: .15em; }
a:hover { color: #123f78; }
a:focus-visible, nav a:focus-visible, .brand:focus-visible { outline: 3px solid #e08a00; outline-offset: 2px; border-radius: 2px; }
.site-footer { max-width: 54rem; margin: 0 auto; padding: 1.25rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: .9rem; }
.site-footer p { margin: .25rem 0; }
.site-footer a { color: var(--muted); }
img { max-width: 100%; height: auto; }
@media (max-width: 30rem) { html { font-size: 17px; } h1 { font-size: 1.8rem; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }