:root{color-scheme:light;--bg:#eef2f4;--panel:#fff;--text:#19242e;--muted:#5f6c76;--line:#d4dde3;--accent:#315d78}
:root[data-theme="dark"]{color-scheme:dark;--bg:#10171d;--panel:#18222b;--text:#eef3f6;--muted:#b7c2ca;--line:#3a4854;--accent:#8eb7cf}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;min-height:100vh}.page-shell{width:min(980px,calc(100% - 32px));margin:0 auto;padding:24px 0 64px}.site-header{min-height:72px;display:flex;align-items:center;border-bottom:1px solid var(--line);padding-right:220px}.brand img{display:block;width:min(240px,52vw);height:auto}.content-card{margin-top:56px;padding:clamp(28px,6vw,64px);border:1px solid var(--line);border-radius:22px;background:var(--panel);box-shadow:0 18px 50px rgba(0,0,0,.08)}.eyebrow{margin:0 0 10px;color:var(--accent);font-size:.76rem;font-weight:800;letter-spacing:.18em}.content-card h1{margin:0 0 20px;font-size:clamp(2rem,6vw,4.5rem);line-height:1}.content-card p{max-width:680px;color:var(--muted);font-size:1.05rem;line-height:1.7}.primary-link{display:inline-flex;margin-top:18px;border-radius:999px;background:var(--accent);color:#fff;padding:12px 18px;text-decoration:none;font-weight:750}@media(max-width:700px){.site-header{padding-right:0}.content-card{margin-top:28px}}