:root{--ink:#0B1F3A;--ink2:#334155;--mut:#64748B;--line:#E2E8F0;--bg:#fff;--soft:#F5F8FC;--acc:#0EA5E9;--acc2:#2563EB;--ok:#16A34A;--bad:#DC2626;--warn:#D97706;--r:14px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--acc2);text-decoration:none}
.top{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;letter-spacing:-.01em}
.brand em{font-style:normal;color:var(--mut);font-weight:500}
.logo svg{width:28px;height:28px;display:block}
.top-prog{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--mut);font-weight:600}
.bar{width:110px;height:6px;background:var(--line);border-radius:9px;overflow:hidden}.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--acc),var(--acc2));transition:width .5s}
main{max-width:960px;margin:0 auto;padding:28px 20px 60px;outline:none}
.foot{text-align:center;color:var(--mut);font-size:12px;padding:24px}
h1{font-size:clamp(28px,5vw,42px);line-height:1.1;letter-spacing:-.03em;margin:.2em 0 .3em}
h2{font-size:22px;letter-spacing:-.02em;margin:1.6em 0 .6em}
h3{font-size:17px;margin:0 0 .3em}
p{margin:.4em 0 .8em;color:var(--ink2)}
.kicker{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--acc2)}
.lead{font-size:18px;color:var(--ink2);max-width:640px}
.hero{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;padding:8px 0 20px}
.ring{width:132px;height:132px;position:relative}.ring svg{transform:rotate(-90deg)}.ring b{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:28px;letter-spacing:-.02em;line-height:1}.ring b small{display:block;font-size:11px;color:var(--mut);font-weight:600;margin-top:4px;letter-spacing:.04em;text-transform:uppercase}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:8px 0 24px}
.stat{border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}.stat b{font-size:24px;display:block;letter-spacing:-.02em}.stat span{font-size:13px;color:var(--mut)}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 6px}
.btn{appearance:none;border:1px solid var(--ink);background:var(--ink);color:#fff;font:inherit;font-weight:600;padding:11px 18px;border-radius:11px;cursor:pointer;transition:transform .1s,background .2s;display:inline-flex;align-items:center;gap:8px;text-align:left}
.btn:hover{background:#13305a}.btn:active{transform:scale(.98)}
.btn.ghost{background:#fff;color:var(--ink);border-color:var(--line)}.btn.ghost:hover{border-color:var(--ink)}
.btn.acc{background:var(--acc2);border-color:var(--acc2)}
.btn.sm{padding:7px 12px;font-size:14px;border-radius:9px}
.btn[disabled]{opacity:.45;cursor:default}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:12px}
.mod{display:block;border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;color:var(--ink);transition:border-color .2s,transform .15s,box-shadow .2s;position:relative;background:#fff}
.mod:hover{border-color:#94A3B8;transform:translateY(-2px);box-shadow:0 8px 24px -12px rgba(11,31,58,.25)}
.mod .n{font-size:12px;font-weight:700;color:var(--mut);letter-spacing:.06em}.mod h3{margin:4px 0 2px}.mod p{margin:0;font-size:14px;color:var(--mut)}
.mod .tick{position:absolute;top:14px;right:14px;width:22px;height:22px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-size:12px;color:#fff}
.mod.done .tick{background:var(--ok);border-color:var(--ok)}.mod.done .tick:after{content:"✓"}
.mod .mins{font-size:12px;color:var(--mut);margin-top:8px;display:block}
.card{border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;margin:12px 0;background:#fff}
.card.soft{background:var(--soft);border-color:transparent}
.card.warn{border-color:#FDE68A;background:#FFFBEB}
.card.bad{border-color:#FECACA;background:#FEF2F2}
.card.good{border-color:#BBF7D0;background:#F0FDF4}
.quote{font-size:19px;line-height:1.5;color:var(--ink);font-weight:500;margin:.4em 0}
.tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:3px 8px;border-radius:99px;background:#E0F2FE;color:#0369A1}
.tag.gray{background:#F1F5F9;color:var(--ink2)}.tag.red{background:#FEE2E2;color:#B91C1C}.tag.green{background:#DCFCE7;color:#15803D}
.back{display:flex;width:max-content;align-items:center;gap:6px;font-size:14px;color:var(--mut);font-weight:600;margin-bottom:6px}
.check{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);cursor:pointer}
.check:last-child{border-bottom:0}
.check input{width:22px;height:22px;margin:2px 0 0;accent-color:var(--ok);flex:none}
.check b{display:block}.check span{color:var(--mut);font-size:14px}
.opts{display:grid;gap:10px;margin:12px 0}
.opt{appearance:none;border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:13px 15px;text-align:left;font:inherit;color:var(--ink);cursor:pointer;transition:border-color .15s,background .15s}
.opt:hover:not([disabled]){border-color:var(--acc2)}
.opt.right{border-color:var(--ok);background:#F0FDF4}.opt.wrong{border-color:var(--bad);background:#FEF2F2}.opt.meh{border-color:var(--warn);background:#FFFBEB}
.opt[disabled]{cursor:default}
.explain{font-size:14px;color:var(--ink2);margin-top:6px}
.prospect{display:flex;gap:12px;align-items:flex-start;margin:14px 0}
.av{flex:none;width:38px;height:38px;border-radius:50%;background:#E2E8F0;display:grid;place-items:center;font-weight:700;color:var(--ink2);font-size:14px}
.bubble{background:var(--soft);border-radius:4px 16px 16px 16px;padding:12px 15px;font-size:17px;font-weight:500}
.meter{height:8px;background:var(--line);border-radius:9px;overflow:hidden;margin:10px 0}.meter i{display:block;height:100%;background:var(--acc2);transition:width .3s}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.spacer{flex:1}
.flash{perspective:1200px;margin:16px 0}
.flash-inner{position:relative;display:grid;min-height:230px;transition:transform .5s;transform-style:preserve-3d;cursor:pointer}
.flash.flip .flash-inner{transform:rotateY(180deg)}
.face{grid-area:1/1;position:relative;backface-visibility:hidden;border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;justify-content:center;background:#fff;box-shadow:0 10px 30px -18px rgba(11,31,58,.35)}
.face.b{transform:rotateY(180deg);background:var(--soft)}
.face .q{font-size:21px;font-weight:600;letter-spacing:-.01em}.face .a{font-size:17px;color:var(--ink)}
.face small{position:absolute;top:14px;left:18px;color:var(--mut);font-weight:600;font-size:12px;letter-spacing:.05em;text-transform:uppercase}
.boxes{display:flex;gap:6px;margin:8px 0}.boxes span{flex:1;text-align:center;font-size:12px;padding:6px 0;border-radius:8px;background:var(--soft);color:var(--mut);font-weight:600}.boxes span b{display:block;font-size:16px;color:var(--ink)}
.rate{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.rate .btn{justify-content:center}
.timer{font-variant-numeric:tabular-nums;font-size:44px;font-weight:700;letter-spacing:-.02em}
.steps{counter-reset:s;display:grid;gap:10px}
.step{display:flex;gap:14px;align-items:flex-start}.step:before{counter-increment:s;content:counter(s);flex:none;width:28px;height:28px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;margin-top:2px}
.vs{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cert{border:2px solid var(--ink);border-radius:22px;padding:34px 28px;text-align:center;background:linear-gradient(180deg,#fff,#F5F8FC);position:relative;overflow:hidden}
.cert:before{content:"";position:absolute;inset:10px;border:1px solid var(--line);border-radius:16px;pointer-events:none}
.cert .seal{width:84px;height:84px;margin:0 auto 10px;border-radius:50%;background:conic-gradient(var(--acc),var(--acc2),var(--acc));display:grid;place-items:center;color:#fff;font-size:34px;box-shadow:0 10px 30px -10px rgba(37,99,235,.6)}
.cert h1{margin:.2em 0}.cert .score{font-size:56px;font-weight:800;letter-spacing:-.04em;color:var(--acc2)}
input[type=text]{font:inherit;padding:11px 14px;border:1.5px solid var(--line);border-radius:11px;width:100%;max-width:340px}
.sort{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}
.sort .btn{justify-content:center}
.legend{font-size:13px;color:var(--mut)}
details{border:1px solid var(--line);border-radius:12px;padding:0 16px;margin:10px 0;background:#fff}
details summary{cursor:pointer;padding:14px 0;font-weight:600;list-style:none;display:flex;gap:10px;align-items:center}
details summary::-webkit-details-marker{display:none}
details summary:after{content:"+";margin-left:auto;font-size:20px;color:var(--mut)}
details[open] summary:after{content:"–"}
details>div{padding:0 0 14px}
.fade{animation:fade .35s ease}@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;font-weight:600;font-size:14px;z-index:50;animation:fade .3s}
@media (max-width:640px){main{padding:20px 16px 50px}.hero{grid-template-columns:1fr}.ring{width:104px;height:104px;margin-top:-6px}.stats{grid-template-columns:1fr 1fr 1fr;gap:8px}.stat{padding:10px}.stat b{font-size:19px}.vs{grid-template-columns:1fr}.bar{width:60px}.brand em{display:none}.quote{font-size:17px}.rate{grid-template-columns:1fr 1fr}.sort{grid-template-columns:1fr 1fr}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}