:root{--bg:#f6f9fa;--ink:#10243a;--muted:#55687a;--accent:#0c7c7a;--accent-ink:#065553;--tint:#e4f1ef;--line:#d5e0e4;--card:#fff;--navy:#10243a;--sun:#f4b73b;--on-navy:#eaf2f5;--shadow:0 1px 2px rgba(16,36,58,.06),0 8px 24px rgba(16,36,58,.07)}
@media (prefers-color-scheme:dark){:root{--bg:#0d1822;--ink:#e6eef3;--muted:#9fb0bd;--accent:#4cc4bf;--accent-ink:#7fdcd7;--tint:#12303a;--line:#244050;--card:#142431;--navy:#0a131b;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25)}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:18px/1.7 "Source Serif 4",Georgia,serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
h1,h2,h3,nav,.logo,button,label,table,.byline,.note,.result,footer,.tile,.rows{font-family:Manrope,system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:var(--accent-ink);text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--sun);outline-offset:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--sun);color:#10243a;padding:8px 14px;border-radius:6px;z-index:10;font:700 14px Manrope,sans-serif}
.skip:focus{left:8px}
.wrap{max-width:740px;margin:0 auto;padding:0 20px}
header.site{background:var(--navy);color:var(--on-navy)}
header.site .wrap{max-width:1080px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 20px;padding:14px 20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:#fff;text-decoration:none;letter-spacing:-.01em}
nav a{font-weight:700;font-size:15px;margin-left:22px;color:var(--on-navy);text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
nav a:hover{border-bottom-color:var(--sun)}
h1{font-weight:800;font-size:clamp(30px,5vw,44px);line-height:1.12;letter-spacing:-.025em;margin:38px 0 14px}
h2{font-weight:800;font-size:25px;line-height:1.25;letter-spacing:-.015em;margin:42px 0 10px}
h3{font-weight:700;font-size:19px;margin:26px 0 4px}
p,li{max-width:66ch}
.lead{font-size:21px;line-height:1.55;color:var(--muted)}
.byline{font-size:14px;color:var(--muted);margin-top:-4px}
ul,ol{padding-left:22px}
li{margin:4px 0}
/* home */
.hero{background:var(--navy);color:#fff;position:relative;padding:34px 0 0}
.hero .wrap{max-width:1080px}
.hero h1{color:#fff;max-width:17ch;font-size:clamp(34px,6vw,58px);margin:12px 0 16px}
.hero .lead{color:#b9cad6;max-width:44ch;margin:0 0 56px}
.hero .wave{display:block;width:100%;height:46px;fill:var(--bg);margin-top:-1px}
.tiles{max-width:1080px;margin:-8px auto 0;padding:0 20px;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;position:relative}
.tile{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px 22px 24px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);border-top:4px solid var(--accent);transition:transform .15s,border-color .15s}
.tile:hover{transform:translateY(-3px);border-top-color:var(--sun)}
.tile svg{width:40px;height:40px;color:var(--accent)}
.tile .tt{display:block;font-weight:800;font-size:20px;line-height:1.25;margin:12px 0 6px}
.tile .td{display:block;font-size:15px;line-height:1.55;color:var(--muted);font-weight:500}
.cols{max-width:1080px;margin:10px auto 0;padding:0 20px;display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:0 56px}
.rows{list-style:none;padding:0;margin:6px 0 0}
.rows li{margin:0;max-width:none;border-top:1px solid var(--line)}
.rows li:last-child{border-bottom:1px solid var(--line)}
.rows a{display:block;padding:14px 4px;text-decoration:none;color:var(--ink)}
.rows a:hover .rt{color:var(--accent-ink);text-decoration:underline;text-underline-offset:4px}
.rt{display:block;font-weight:700;font-size:17px;line-height:1.35}
.rd{display:block;font-size:14.5px;color:var(--muted);font-weight:500;line-height:1.5;margin-top:2px}
.home .note{max-width:1040px;margin:44px auto 0}
/* tools */
.tool{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;margin:26px 0;box-shadow:var(--shadow)}
.tool label{display:block;font-weight:700;font-size:14px;margin:16px 0 5px}
.tool label:first-child{margin-top:0}
.tool input,.tool select{width:100%;padding:11px 12px;border:1.5px solid var(--line);border-radius:9px;font:500 16px Manrope,system-ui,sans-serif;background:var(--bg);color:var(--ink)}
.tool input:focus,.tool select:focus{border-color:var(--accent)}
.tool button{margin-top:20px;padding:13px 28px;border:0;border-radius:9px;background:var(--sun);color:#10243a;font-weight:800;font-size:16px;cursor:pointer}
.tool button:hover{filter:brightness(1.06)}
.result{margin-top:20px;padding:18px 20px;background:var(--tint);border-left:4px solid var(--accent);border-radius:8px;font-size:16px;line-height:1.7;display:none}
.result strong{font-size:26px;letter-spacing:-.01em}
.ad{margin:26px 0;min-height:90px;text-align:center;color:var(--muted);font-size:12px}
.note{font-size:14.5px;line-height:1.55;color:var(--muted);background:var(--tint);border-radius:10px;padding:14px 18px;margin:30px 0}
table{border-collapse:collapse;width:100%;font-size:15px;margin:18px 0;background:var(--card);border-radius:10px;overflow:hidden}
th,td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left}
th{background:var(--tint);font-weight:800}
tr:last-child td{border-bottom:0}
/* footer */
footer.site{background:var(--navy);color:#b9cad6;margin-top:70px;padding:40px 0 28px;font-size:15px}
footer.site .wrap{max-width:1080px}
footer.site a{color:#e6f0f4;display:block;margin:6px 0;text-decoration:none}
footer.site a:hover{text-decoration:underline}
.fcols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
.fname{font-weight:800;color:#fff;font-size:18px;margin:0 0 6px}
.fhead{font-weight:800;color:#fff;margin:0 0 6px}
.fcols p{margin:0}
.legal{border-top:1px solid #244050;margin-top:28px;padding-top:18px;font-size:13.5px}
@media(max-width:680px){.fcols{grid-template-columns:1fr}nav a{margin:0 16px 0 0}.cols{grid-template-columns:1fr}.lead{font-size:19px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.legal,.fcols p{max-width:none}