:root{color-scheme:light;--brand-accent-base: #2457d6;--brand-accent: var(--brand-accent-base);--brand-accent-fg: #ffffff;--color-bg: #f5f6f8;--color-fg: #15181d;--color-muted: #5b6573;--color-border: #e2e5ea;--color-surface: #ecedf1;--color-link: #0369a1;--color-link-hover: #075985;--font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--container: 64rem;--radius: 12px;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-6: 1.5rem;--space-8: 2rem;--space-12: 3rem;--space-16: 4rem}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--brand-accent: color-mix(in srgb, var(--brand-accent-base) 72%, white);--color-bg: #0d1117;--color-fg: #e6edf3;--color-muted: #9aa4b2;--color-border: #2a313c;--color-surface: #161b22;--color-link: #7dd3fc;--color-link-hover: #bae6fd}}:root[data-theme=dark]{color-scheme:dark;--brand-accent: color-mix(in srgb, var(--brand-accent-base) 72%, white);--color-bg: #0d1117;--color-fg: #e6edf3;--color-muted: #9aa4b2;--color-border: #2a313c;--color-surface: #161b22;--color-link: #7dd3fc;--color-link-hover: #bae6fd}*,*:before,*:after{box-sizing:border-box}html{font-family:var(--font-sans);color:var(--color-fg);background:var(--color-bg);line-height:1.6;-webkit-text-size-adjust:100%}body{margin:0}a{color:var(--color-link);text-decoration:none}a:hover{color:var(--color-link-hover)}h1,h2,h3{line-height:1.2;letter-spacing:-.01em}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--space-6)}main.container{padding-block:var(--space-12)}.site-header{border-bottom:1px solid var(--color-border);background:var(--color-bg)}.site-header__inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-6);padding-block:var(--space-4)}.site-header__brand{display:inline-flex;align-items:center;gap:var(--space-3);font-weight:700;font-size:1.2rem;color:var(--color-fg);text-decoration:none}.site-header__logo{display:inline-flex}.site-header__logo-img{display:block;height:2.2rem;width:auto}.site-header__logo-img--dark{display:none}:root[data-theme-resolved=dark] .site-header__logo-img--light{display:none}:root[data-theme-resolved=dark] .site-header__logo-img--dark{display:block}.site-nav{display:flex;gap:var(--space-6);list-style:none;margin:0;padding:0;font-size:1.15rem}.site-nav a{color:var(--color-muted);text-decoration:none}.site-nav a[aria-current=page],.site-nav a:hover{color:var(--color-fg)}.site-header__right{display:flex;align-items:center;gap:var(--space-6)}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;padding:0;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:var(--color-fg);cursor:pointer}.theme-toggle:hover{border-color:var(--color-muted)}.theme-toggle__icon{width:1.15rem;height:1.15rem}.theme-toggle__icon--sun{display:none}:root[data-theme-resolved=dark] .theme-toggle__icon--moon{display:none}:root[data-theme-resolved=dark] .theme-toggle__icon--sun{display:inline-block}.btn{display:inline-block;padding:var(--space-3) var(--space-6);border-radius:var(--radius);font-weight:600;text-decoration:none;border:1px solid transparent}.btn--primary{background:var(--brand-accent);color:var(--brand-accent-fg)}.btn--ghost{border-color:var(--color-border);color:var(--color-fg)}.hero{padding-block:var(--space-12)}.hero h1{font-size:clamp(2rem,5vw,3rem);margin:0 0 var(--space-4)}.hero p{font-size:1.2rem;color:var(--color-muted);max-width:42rem;margin:0 0 var(--space-8)}.section{padding-block:var(--space-12);border-top:1px solid var(--color-border)}.section h2{font-size:1.6rem;margin:0 0 var(--space-6)}.card-grid{display:grid;gap:var(--space-6);grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}.card{border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-6);background:var(--color-surface)}.card h3{margin:0 0 var(--space-2);font-size:1.15rem}.card p{margin:0;color:var(--color-muted)}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;font-weight:700;color:var(--brand-accent);margin:0 0 var(--space-2)}.stub-note{border:1px dashed var(--color-border);border-radius:var(--radius);padding:var(--space-6);background:var(--color-surface);color:var(--color-muted)}.site-footer{border-top:1px solid var(--color-border);background:var(--color-surface);padding-block:var(--space-8);color:var(--color-muted);font-size:.9rem}.site-footer__inner{display:flex;flex-wrap:wrap;gap:var(--space-6);justify-content:space-between}.site-footer a{color:var(--color-muted);text-decoration:none}.site-footer a:hover{color:var(--color-fg)}.site-footer__links{display:flex;flex-wrap:wrap;gap:var(--space-6);list-style:none;margin:0;padding:0}