:root{--ink:#0E1B3D;--paper:#F4F6FA;--line:#D9E0EC;--teal:#0B8F8F;--mint:#E3F4F3;--coral:#F2603C;--ok:#1F8A4C;--bad:#C8372D;--mute:#4A5876;--r:10px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:17px/1.65 "Source Sans 3",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper)}
h1,h2,h3,h4{font-family:"Bricolage Grotesque","Source Sans 3",system-ui,sans-serif;line-height:1.15;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);font-weight:800}h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:700}h3{font-size:1.2rem;font-weight:700}
a{color:var(--teal)}
:focus-visible{outline:3px solid var(--coral);outline-offset:2px}
.container{max-width:1080px;margin:0 auto;padding:0 20px}
main.container{padding-top:32px;padding-bottom:56px;min-height:60vh}
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav nav{display:flex;align-items:center;gap:6px}
.nav nav a{color:var(--ink);text-decoration:none;padding:8px 12px;border-radius:8px;font-weight:600;font-size:.97rem}
.nav nav a:hover{background:var(--mint)}
.nav nav a.cta{background:var(--ink);color:#fff}.nav nav a.cta:hover{background:var(--teal)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 12px;font:600 .95rem inherit;cursor:pointer;color:var(--ink)}
@media(max-width:760px){.burger{display:block}.nav nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;background:#fff;padding:10px 20px 16px;border-bottom:1px solid var(--line)}.nav nav.open{display:flex}}
.btn{display:inline-block;background:var(--ink);color:#fff;border:2px solid var(--ink);border-radius:var(--r);padding:11px 20px;font:600 1rem "Source Sans 3",system-ui,sans-serif;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--teal);border-color:var(--teal);color:#fff}
.btn.ghost{background:transparent;color:var(--ink)}.btn.ghost:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;padding:20px 0 48px}
.lead{font-size:1.15rem;max-width:34em;color:var(--mute)}
@media(max-width:820px){.hero{grid-template-columns:1fr}}
.sheet{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 14px 34px -20px rgba(14,27,61,.4)}
.sheet small{color:var(--mute);font-weight:600}.qt{font-weight:600;margin:6px 0 12px}.fb{min-height:1.6em;margin:10px 0 0;font-weight:600}
.sec{padding:40px 0;border-top:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:s;margin:0;padding:0;list-style:none}
.steps li{counter-increment:s;padding-top:14px;border-top:3px solid var(--ink)}
.steps li:before{content:counter(s);display:block;font:800 1.6rem "Bricolage Grotesque",sans-serif;color:var(--teal)}
.steps p{color:var(--mute);margin:0}
@media(max-width:720px){.steps{grid-template-columns:1fr}}
.index{border-top:2px solid var(--ink)}
.index a{display:grid;grid-template-columns:210px 1fr auto;gap:16px;align-items:baseline;padding:16px 6px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}
.index a:hover{background:var(--mint)}
.index b{font:700 1.2rem "Bricolage Grotesque",sans-serif}.index span{color:var(--mute)}.index em{font-style:normal;color:var(--teal);font-weight:600}
@media(max-width:640px){.index a{grid-template-columns:1fr auto}.index span{grid-column:1/-1;order:3}}
.band{background:var(--ink);color:#fff;border-radius:16px;padding:30px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin-top:20px}
.band h2{margin:0 0 4px;color:#fff}.band p{margin:0;color:#C9D3E6}.band .btn{background:#fff;color:var(--ink);border-color:#fff}.band .btn:hover{background:var(--mint);color:var(--ink)}
.card,.box,.q{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:14px;min-width:0}
.list h3{margin:0 0 4px}.list h3 a{color:var(--ink);text-decoration:none}.list h3 a:hover{color:var(--teal)}.list p{margin:0;color:var(--mute)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.stat{font:800 2rem "Bricolage Grotesque",sans-serif;color:var(--ink)}
.qn{font:700 .95rem "Bricolage Grotesque",sans-serif;color:var(--teal);padding:0 6px}
.opt{display:flex;gap:12px;align-items:center;padding:10px 12px;margin:7px 0;border:1.5px solid var(--line);border-radius:var(--r);cursor:pointer;background:#fff;transition:border-color .15s,background .15s}
.opt:hover{border-color:var(--teal)}.opt input{position:absolute;opacity:0;pointer-events:none}
.bub{flex:none;width:30px;height:30px;border:2px solid var(--ink);border-radius:50%;display:grid;place-items:center;font:700 .85rem "Bricolage Grotesque",sans-serif}
.opt:has(input:checked){border-color:var(--ink);background:var(--mint)}.opt:has(input:checked) .bub{background:var(--ink);color:#fff}
.opt:has(input:focus-visible){outline:3px solid var(--coral)}
button.opt{width:100%;text-align:left;font:inherit;color:inherit}
.ok{border-color:var(--ok)!important;background:#E7F6EC!important}.ok .bub{background:var(--ok);border-color:var(--ok);color:#fff}
.bad{border-color:var(--bad)!important;background:#FCEBEA!important}.bad .bub{background:var(--bad);border-color:var(--bad);color:#fff}
.score{font:800 2.6rem "Bricolage Grotesque",sans-serif;margin:0}.score small{font-size:1rem;font-weight:600;color:var(--mute);margin-left:6px}
.timer{position:sticky;top:72px;background:var(--ink);color:#fff;padding:8px;border-radius:var(--r);text-align:center;font-weight:700;margin-bottom:14px;z-index:5}
input,select,textarea{font:inherit;padding:10px 12px;border:1.5px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);margin:4px 4px 4px 0;max-width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--teal);outline:none}
textarea{width:100%;min-height:100px}
.auth{max-width:420px}.auth input{display:block;width:100%;margin:6px 0 12px}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line)}
th{background:var(--mint);text-align:left}th,td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
button:not(.btn):not(.opt):not(.burger){font:inherit;border:1px solid var(--line);background:#fff;border-radius:8px;padding:5px 10px;cursor:pointer;color:var(--ink)}
.anav{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 18px}
.anav a{background:#fff;border:1px solid var(--line);border-radius:8px;padding:6px 12px;text-decoration:none;color:var(--ink);font-weight:600}.anav a:hover{background:var(--mint)}
footer{background:var(--ink);color:#C9D3E6;padding:40px 0 22px;margin-top:20px}
.fcols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
footer a{color:#C9D3E6;text-decoration:none;display:block;padding:3px 0}footer a:hover{color:#fff}
footer h4{color:#fff;margin:0 0 8px}footer p{margin:6px 0 0}
.wm{font:800 1.4rem "Bricolage Grotesque",sans-serif;color:#fff}.wm span{color:#5CD6CF}
.fine{border-top:1px solid #2A3A63;margin-top:24px;padding-top:16px;font-size:.9rem}
@media(max-width:700px){.fcols{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.authwrap{display:grid;grid-template-columns:.9fr 1.1fr;max-width:900px;margin:8px auto 0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 18px 40px -26px rgba(14,27,61,.45)}
.authside{background:var(--ink);color:#fff;padding:38px 32px}.authside h2{color:#fff;margin:26px 0 12px}
.authside ul{margin:0;padding-left:18px;color:#C9D3E6}.authside li{margin:8px 0}
.bubs{display:flex;gap:8px}.authside .bub{border-color:#fff;color:#fff}.authside .bub.f{background:#fff;color:var(--ink)}
.authform{padding:38px 36px}.authform h1{font-size:2rem;margin-bottom:6px}.sub{color:var(--mute);margin:0 0 22px}
.f{display:block;font-weight:600;margin-bottom:16px}.f input{display:block;width:100%;margin:6px 0 0}
.pw{display:block;position:relative;margin-top:6px}.pw input{margin:0;padding-right:84px}.pw button{position:absolute;right:6px;top:50%;transform:translateY(-50%)}
.authform .btn{width:100%;text-align:center}.authform .alt{margin:18px 0 0;color:var(--mute);font-size:.95rem}
.alert{padding:10px 12px;border-radius:8px;margin:0 0 16px;font-weight:600}.alert.err{background:#FCEBEA;color:var(--bad)}.alert.ok{background:#E7F6EC;color:var(--ok)}
.code{font:700 1.8rem "Bricolage Grotesque",monospace;letter-spacing:.5em;text-align:center}
@media(max-width:760px){.authwrap{grid-template-columns:1fr}.authside{padding:22px}.authside ul{display:none}.authside h2{margin:16px 0 0}.authform{padding:26px 22px}}
.banner{background:var(--mint);text-align:center;padding:8px 16px;font-weight:600;border-bottom:1px solid var(--line)}
.anav a.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:760px){.two{grid-template-columns:1fr}}