:root{--bg:#F7F9FC;--ink:#1B2A41;--muted:#5B6B7F;--accent:#0F7C7A;--line:#DDE3EA;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root{--bg:#0E1726;--ink:#E8EEF5;--muted:#9AA8B8;--accent:#3FB8B5;--line:#24324A}}
*,*::before,*::after{box-sizing:inherit}
html{scroll-behavior:smooth;scroll-padding-top:4.5rem}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:1.0625rem/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}
a:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:1;display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;align-items:center;justify-content:space-between;padding:.9rem 1.25rem;background:var(--bg);border-bottom:1px solid var(--line)}
.brand{font-weight:800;font-size:1.2rem;color:var(--ink);text-decoration:none}
nav{display:flex;flex-wrap:wrap;gap:1rem}
nav a{color:var(--muted);text-decoration:none;font-weight:600}
nav a:hover{color:var(--accent)}
main{max-width:46rem;margin:0 auto;padding:0 1.25rem}
section{padding:2.5rem 0;border-bottom:1px solid var(--line)}
.hero{padding:4rem 0 3rem}
h1{font-size:clamp(2rem,6vw,3.2rem);line-height:1.1;margin:0 0 1rem;letter-spacing:-.02em}
h2{font-size:1.5rem;margin:0 0 .75rem}
p,li,dd{color:var(--muted)}
.btn{display:inline-block;margin-top:1rem;padding:.75rem 1.4rem;border-radius:.5rem;background:var(--accent);color:#fff;text-decoration:none;font-weight:700}
ul{padding-left:1.2rem}
dl{display:grid;grid-template-columns:max-content 1fr;gap:.5rem 1.25rem;margin:0}
dt{font-weight:700}
dd{margin:0;overflow-wrap:anywhere}
footer{text-align:center;padding:2rem 1.25rem;color:var(--muted);font-size:.9rem}