:root{color-scheme:light dark;--bg:#f5f7fa;--surface:#fff;--text:#182230;--muted:#4b5969;--brand:#075985;--accent:#b42318;--border:#ccd5df;--focus:#f59e0b}*{box-sizing:border-box}html{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6;background:var(--bg);color:var(--text)}body{margin:0}a{color:var(--brand);text-underline-offset:.2em}a:hover{text-decoration-thickness:.15em}a:focus-visible,button:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.site-header{background:var(--surface);border-bottom:1px solid var(--border)}.site-header__inner,.site-footer__inner,main{width:min(100% - 2rem,75rem);margin-inline:auto}.site-header__inner{min-height:4.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.brand{font-size:1.5rem;font-weight:800;color:var(--text);text-decoration:none}.site-nav{display:flex;flex-wrap:wrap;gap:1rem}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:1rem;top:1rem;background:var(--surface);padding:.75rem;z-index:10}main{padding-block:2rem 4rem}.hero,.article,.link-group,.card{background:var(--surface);border:1px solid var(--border);border-radius:1rem}.hero,.article{padding:clamp(1.25rem,4vw,3rem)}.hero{margin-bottom:2rem}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-weight:700;color:var(--accent);font-size:.8rem}.article__header{max-width:60rem;margin-inline:auto}.article__header h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.12}.byline{color:var(--muted)}.article__content{max-width:52rem;margin:2rem auto 0}.article__content img{max-width:100%;height:auto}.article__content pre{overflow:auto}.article__content table{display:block;overflow-x:auto}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,18rem),1fr));gap:1rem}.card{padding:1.25rem}.card h2{font-size:1.2rem}.read-more,.button{font-weight:700}.link-group{padding:1.25rem;margin-block:1rem}.link-group li{margin-block:.45rem}.site-footer{background:#101828;color:#fff}.site-footer a{color:#fff}.site-footer__inner{padding:2rem 0}@media(prefers-color-scheme:dark){:root{--bg:#101828;--surface:#1d2939;--text:#f8fafc;--muted:#d0d5dd;--brand:#7dd3fc;--accent:#fda29b;--border:#475467}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}