:root{--bg:#0b1220;--bg-elev:#111a2e;--border:#243556;--text:#e8eef8;--text-muted:#8fa3c1;--accent:#2f6fed;--accent-hover:#5b8ff5;--accent-deep:#1d4ed8;--font-display:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;--font:"Segoe UI","Helvetica Neue",Arial,sans-serif;--nav-w:12rem;color-scheme:dark}html[data-theme=light]{--bg:#f4f7fb;--bg-elev:#ffffff;--border:#c5d2e6;--text:#0f1c33;--text-muted:#4a5d7a;--accent:#1d4ed8;--accent-hover:#2563eb;--accent-deep:#1e3a8a;color-scheme:light}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.55;min-height:100%}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}.site-shell{min-height:100vh;display:flex;background:radial-gradient(1200px 600px at 10% -10%,rgba(47,111,237,.18),transparent 55%),radial-gradient(900px 500px at 100% 0,rgba(29,78,216,.12),transparent 50%),var(--bg)}.site-nav{width:var(--nav-w);flex-shrink:0;border-right:1px solid var(--border);background:color-mix(in srgb,var(--bg-elev) 92%,transparent);padding:1.25rem .75rem;display:flex;flex-direction:column;gap:.35rem}.site-nav-brand{padding:0 .5rem;margin-bottom:1rem}.site-nav-brand span{display:block;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted)}.site-nav-brand strong{display:block;font-family:var(--font-display);font-size:1.15rem;color:var(--text);font-weight:600}.site-nav a{display:block;padding:.45rem .55rem;color:var(--text-muted);border-radius:4px}.site-nav a.active,.site-nav a:hover{color:var(--text);background:color-mix(in srgb,var(--accent) 14%,transparent)}.theme-toggle{margin-top:auto;margin-bottom:.5rem;border:1px solid var(--border);background:transparent;color:var(--text-muted);padding:.4rem .55rem;cursor:pointer;border-radius:4px}.theme-toggle:hover{color:var(--text);border-color:var(--accent)}.site-main{flex:1 1;min-width:0;padding:2rem 2.5rem;max-width:56rem}.hero{padding:1.5rem 0 2.5rem}.hero-mark{width:min(220px,55vw);height:auto;display:block;margin:0 0 1.5rem;border:1px solid var(--border);background:#fff;border-radius:4px}.hero-kicker{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin:0 0 .75rem}.hero h1{font-family:var(--font-display);font-size:clamp(1.75rem,3vw,2.35rem);font-weight:600;margin:0 0 1rem;line-height:1.2}.hero-lede{color:var(--text-muted);margin:0 0 1.75rem;max-width:38rem}.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem}.btn{display:inline-block;padding:.6rem 1.05rem;border:1px solid var(--border);background:transparent;color:var(--text);border-radius:4px}.btn-primary{background:var(--accent);border-color:var(--accent);color:#f8fafc}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff}.btn:hover{border-color:var(--text-muted)}.page-title{font-family:var(--font-display);font-size:1.4rem;margin:0 0 1rem}.page-body{color:var(--text-muted);max-width:42rem}.page-body p{margin:0 0 1rem}.site-footer{margin-top:3rem;padding-top:1rem;border-top:1px solid var(--border);font-size:.75rem;color:var(--text-muted)}code{font-size:.9em;color:var(--accent-hover)}@media (max-width:720px){.site-shell{flex-direction:column}.site-nav{width:100%;border-right:0;border-bottom:1px solid var(--border)}.site-main{padding:1.25rem 1.1rem 2rem}}