:root{--bg:#d8e6f3;--panel:#fffdf7;--paper:#fbf8ed;--line:#cbddee;--text:#003366;--muted:#44556a;--brand:#003366;--accent:#a1d5f1;--alert:#7a1d1d}
*{box-sizing:border-box}html,body{min-height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:Atkinson Hyperlegible,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}.topbar{background:var(--brand);color:#fff;display:flex;justify-content:space-between;gap:1rem;padding:.5rem clamp(1rem,2.5vw,2rem);font-weight:800}.topbar a:last-child{background:#fff;color:var(--brand);padding:.35rem .75rem;border-radius:999px}header{background:var(--paper);border-top:2px solid var(--brand);border-bottom:1px solid rgba(0,0,0,.1);display:flex;align-items:center;gap:1.5rem}.logo{height:9.2rem;display:block}.logo img{height:100%;width:auto;display:block}.nav-title{font-size:clamp(1.4rem,3vw,2.2rem);font-weight:900;line-height:1.1}.nav-subtitle{font-weight:700;color:var(--muted)}nav{background:var(--accent);display:flex;gap:.5rem;flex-wrap:wrap;padding:.65rem clamp(1rem,2.5vw,2rem)}nav a{padding:.55rem .95rem;border-radius:.7rem;background:rgba(255,255,255,.55);border:1px solid rgba(0,51,102,.14);font-weight:800}nav a:hover,nav a.is-active{background:var(--brand);color:#fff}main{width:min(100%,84rem);margin:0 auto;padding:clamp(1.4rem,3vw,2.8rem);display:grid;gap:1.4rem}footer{background:#f0f4f8;border-top:1px solid var(--line);padding:2rem clamp(1rem,2.5vw,2rem);display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;color:var(--muted)}footer strong{color:var(--text)}footer a{font-weight:700;margin-inline-start:1rem}.error-panel{background:#fff;border:1px solid var(--line);padding:1.5rem;border-radius:1rem}@media(max-width:40rem){main{padding:0}.logo{height:5rem}header{align-items:flex-start;gap:.75rem}.topbar{flex-direction:column;text-align:center}nav{display:grid;grid-template-columns:1fr 1fr}footer{display:grid;text-align:center}footer a{margin:0}}