:root{--blue:#0a3161;--blue-d:#07244a;--red:#b31942;--red-d:#8f1435;--sun:#f2b91d;--ink:#0f1f3d;--ink2:#36435c;--mute:#566278;--line:#d5dbe6;--panel:#f1f4f9;--flag:#fff5d6}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--ink);font-family:'Source Sans 3',system-ui,sans-serif;font-size:18px;line-height:1.6}
h1,h2,h3{color:var(--blue);font-family:'Source Serif 4',Georgia,serif;font-weight:600;line-height:1.15;letter-spacing:-.01em;margin:0 0 .6rem}
h1{font-size:clamp(2rem,5vw,3rem)}h2{font-size:1.65rem;margin-top:2.6rem}
a{color:var(--blue)}:focus-visible{outline:3px solid var(--red);outline-offset:2px}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
header.site{border-bottom:4px solid var(--sun)}
header.site .wrap{max-width:1100px}
.nav{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:var(--blue);font-family:'Source Serif 4',Georgia,serif;font-weight:600;font-size:1.1rem;text-decoration:none}
.brand img{width:28px;height:28px}
.nav nav{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.nav nav a:not(.btn){color:var(--ink2);text-decoration:none;font-size:.97rem}.nav nav a:not(.btn):hover{text-decoration:underline}
.btn{display:inline-block;background:var(--red);color:#fff;border:0;border-radius:4px;padding:11px 18px;font:inherit;font-weight:600;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--red-d)}.btn:disabled{opacity:.6;cursor:wait}
.btn.quiet{background:#fff;color:var(--blue);border:1.5px solid var(--blue)}
main.wrap{padding-top:44px;padding-bottom:56px}
.kicker{color:var(--mute);font-size:.92rem;margin:0 0 8px}
.lede{font-size:1.2rem;color:var(--ink2)}
.callout{background:var(--flag);border-left:4px solid var(--sun);padding:14px 18px;margin:22px 0}
ul.checks{padding-left:1.2rem}li{margin-bottom:.4rem}
.fine{font-size:.88rem;color:var(--mute)}
.table{overflow-x:auto;margin:14px 0;border:1px solid var(--line)}
table{border-collapse:collapse;width:100%;min-width:620px;font-size:.96rem}
th,td{text-align:left;vertical-align:top;padding:11px 13px;border-bottom:1px solid var(--line)}
thead th{background:var(--blue);color:#fff;font-weight:600}
tbody th{font-weight:600;white-space:nowrap}
.tool{background:var(--panel);border:1px solid var(--line);padding:22px;margin:30px 0}
.tool h2{margin-top:0}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
label{display:block;font-weight:600;font-size:.95rem;margin-bottom:5px}
select,input[type=date],input[type=email]{width:100%;padding:10px 11px;border:1px solid var(--mute);border-radius:4px;background:#fff;font:inherit;color:var(--ink)}
.hint{margin:4px 0 0;font-size:.86rem;color:var(--mute)}
.result{background:#fff;border-left:4px solid var(--blue);padding:13px 16px;margin:16px 0}
.sources{margin-top:2.6rem;border-top:1px solid var(--line);padding-top:6px}.sources h2{font-size:1.2rem}
.signup{background:var(--blue);color:#fff;padding:24px;margin-top:40px}
.signup h2{color:#fff;margin-top:0}.signup .fine,.signup .fine a{color:#e7ecf5}.signup label{color:#fff}
.signup .inline{display:flex;gap:10px}.signup .btn{white-space:nowrap}
.signup .updates-status[data-state]{background:#fff;padding:8px 10px}
.updates-status{min-height:1.4em;margin-top:8px;font-size:.95rem}.updates-status[data-state=ok]{color:var(--blue);font-weight:600}.updates-status[data-state=error]{color:var(--red)}
.hp{position:absolute;left:-9999px}
footer{border-top:4px solid var(--sun);font-size:.86rem;color:var(--mute);padding:28px 0}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}footer .full{flex-basis:100%}footer a{color:var(--mute)}
@media(max-width:700px){body{font-size:17px}.tool-grid{grid-template-columns:1fr}.signup .inline{flex-direction:column}.nav nav{gap:12px}.nav nav a:not(.btn){font-size:.9rem}}
@media print{header.site,footer,.signup,.noprint,.tool{display:none}a{color:inherit}}