:root{--navy:#0b2545;--teal:#14b8a6;--teal-d:#0d9488;--gold:#c9a227;--bg:#f3f6fa;--card:#fff;--txt:#14213d;--mut:#5b6b82;--line:#dbe3ee;--ok:#16a34a;--bad:#dc2626;--warn:#d97706}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--txt)}
.wrap{max-width:1020px;margin:0 auto;padding:0 16px}
main.wrap{padding-top:20px;padding-bottom:40px}
.top{background:var(--navy);color:#fff;position:sticky;top:0;z-index:10;box-shadow:0 2px 8px rgba(0,0,0,.2)}
.top-in{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.timer{font:700 20px/1 ui-monospace,Menlo,Consolas,monospace;background:rgba(255,255,255,.12);padding:8px 14px;border-radius:10px}
.timer.low{background:var(--bad);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.6}}
.hero{background:linear-gradient(135deg,var(--navy),#134074);color:#fff;border-radius:18px;padding:32px 28px;margin-bottom:18px}
.hero h1{margin:0 0 8px;font-size:clamp(24px,5vw,36px)}
.hero p{margin:0;max-width:680px;opacity:.92}
.facts{list-style:none;display:flex;flex-wrap:wrap;gap:12px;padding:0;margin:22px 0 0}
.facts li{background:rgba(255,255,255,.12);border-radius:12px;padding:10px 16px;min-width:110px}
.facts b{display:block;font-size:20px}
.facts span{font-size:13px;opacity:.85}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:18px;box-shadow:0 1px 3px rgba(11,37,69,.05)}
.card h2{margin:0 0 10px;font-size:20px}
.card.notice{border-color:var(--warn);background:#fffbeb}
.center{text-align:center}
.muted{color:var(--mut)}
.small{font-size:13px}
.btn{display:inline-block;border:1px solid var(--line);background:#fff;color:var(--txt);padding:10px 18px;border-radius:10px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;transition:.15s}
.btn:hover:not(:disabled){border-color:var(--teal);color:var(--teal-d)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.primary{background:var(--teal);border-color:var(--teal);color:#fff}
.btn.primary:hover:not(:disabled){background:var(--teal-d);color:#fff}
.btn.ghost{background:transparent}
.btn.linkedin{background:#0a66c2;border-color:#0a66c2;color:#fff}
.btn.linkedin:hover{background:#004182;color:#fff;border-color:#004182}
.btn.linkedin.ghost{background:transparent;color:#0a66c2}
.btn.wide{width:100%;margin-top:12px}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}
.btn-row.center{justify-content:center}
.field{display:block;font-weight:600;margin-bottom:14px}
.field input{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit}
.field input:focus{outline:2px solid var(--teal);border-color:transparent}
.check{display:flex;gap:10px;align-items:flex-start;margin:8px 0;cursor:pointer}
.check input{margin-top:5px;accent-color:var(--teal)}
#startBtn{margin-top:14px}
/* Eğitim */
details.topic{border:1px solid var(--line);border-radius:12px;margin:8px 0;background:#fafcff}
details.topic summary{cursor:pointer;padding:12px 16px;font-weight:600;list-style:none}
details.topic summary::before{content:"▸ ";color:var(--teal-d)}
details.topic[open] summary::before{content:"▾ "}
details.topic ul{margin:0;padding:0 20px 14px 38px}
details.topic li{margin:4px 0}
/* Sınav */
.exam-grid{display:grid;grid-template-columns:1fr 280px;gap:18px;align-items:start}
.qmeta{display:flex;justify-content:space-between;align-items:center;font-weight:700;color:var(--mut);margin-bottom:8px}
.tag{background:#e6fffb;color:var(--teal-d);padding:2px 10px;border-radius:999px;font-size:12px}
#qText{font-size:20px;line-height:1.4;margin-bottom:16px}
.opts{display:grid;gap:10px}
.opt{display:flex;gap:12px;align-items:flex-start;text-align:left;padding:14px 16px;border:2px solid var(--line);border-radius:12px;background:#fff;font:inherit;cursor:pointer;width:100%}
.opt:hover{border-color:var(--teal)}
.opt.sel{border-color:var(--teal);background:#f0fdfa}
.opt .k{flex:none;width:28px;height:28px;border-radius:50%;background:var(--line);display:grid;place-items:center;font-weight:700;font-size:14px}
.opt.sel .k{background:var(--teal);color:#fff}
.qnav{display:flex;justify-content:space-between;gap:8px;margin-top:20px}
.side{position:sticky;top:72px}
.progress{height:8px;background:var(--line);border-radius:99px;overflow:hidden}
#bar{height:100%;width:0;background:var(--teal);transition:.2s}
.grid{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;margin:10px 0}
.grid button{aspect-ratio:1;border:1px solid var(--line);background:#fff;border-radius:8px;font:600 12px inherit;cursor:pointer;padding:0}
.grid button.a{background:var(--teal);color:#fff;border-color:var(--teal)}
.grid button.f{box-shadow:inset 0 0 0 2px var(--warn)}
.grid button.c{outline:2px solid var(--navy);outline-offset:1px}
.legend{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.d{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:4px;border:1px solid var(--line)}
.d.a{background:var(--teal);border-color:var(--teal)}.d.f{box-shadow:inset 0 0 0 2px var(--warn)}.d.c{outline:2px solid var(--navy)}
/* Sonuç */
.score-ring{width:150px;height:150px;border-radius:50%;margin:8px auto 14px;display:grid;place-items:center;font-size:36px;font-weight:800;color:#fff}
.score-ring.ok{background:var(--ok)}.score-ring.bad{background:var(--bad)}
.cert-preview{width:100%;height:auto;border:1px solid var(--line);border-radius:10px}
.rv{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:10px 0}
.rv.bad{border-left:5px solid var(--bad)}
.rv .ans{margin:6px 0;font-size:15px}
.rv .you{color:var(--bad)}.rv .right{color:var(--ok);font-weight:600}
.rv .exp{background:#f4f7fb;border-radius:8px;padding:8px 12px;font-size:14px;color:var(--mut)}
.cat-row{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:10px}
.cat-row span{background:#eef3f9;border-radius:999px;padding:3px 12px;font-size:13px}
.foot{background:var(--navy);color:#cfd9e8;text-align:center;padding:22px 0;font-size:14px}
.foot p{margin:4px 0}
.foot a{color:#5eead4;font-weight:700;text-decoration:none}
.foot a:hover{text-decoration:underline}
@media(max-width:820px){
  .exam-grid{grid-template-columns:1fr}
  .side{position:static;order:-1}
  .grid{grid-template-columns:repeat(10,1fr)}
  .hero{padding:24px 18px}
}

/* Eğitim */
.tr-grid{display:grid;grid-template-columns:270px 1fr;gap:18px;align-items:start}
.tr-side{position:sticky;top:72px}
.tr-side h3{margin:0 0 8px}
.tr-side ol{list-style:none;margin:0 0 8px;padding:0}
.tr-side li{margin:4px 0}
.tr-side li button{display:flex;gap:10px;align-items:center;width:100%;text-align:left;border:1px solid transparent;background:transparent;border-radius:10px;padding:8px 10px;font:inherit;font-size:14px;cursor:pointer}
.tr-side li button:hover:not(:disabled){background:#f0fdfa}
.tr-side li button.cur{border-color:var(--teal);background:#f0fdfa;font-weight:700}
.tr-side li button:disabled{opacity:.4;cursor:not-allowed}
.tr-side .mk{flex:none;width:24px;height:24px;border-radius:50%;background:var(--line);display:grid;place-items:center;font-size:12px;font-weight:700}
.tr-side li button.ok .mk{background:var(--ok);color:#fff}
.tr-main h2{font-size:24px;margin:6px 0 10px}
.tr-main h3{font-size:17px;margin:18px 0 6px}
.lead{font-size:17px;color:#2b3a55}
.pts{margin:0;padding-left:22px}
.pts li{margin:6px 0}
.example{background:#fffbeb;border:1px solid #fcd34d;border-radius:12px;padding:12px 16px;margin:16px 0}
.example p{margin:6px 0 0}
.dd{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0}
.dd>div{border-radius:12px;padding:12px 16px}
.dd h4{margin:0 0 6px}
.dd ul{margin:0;padding-left:20px}
.dd .do{background:#f0fdf4;border:1px solid #bbf7d0}
.dd .dont{background:#fef2f2;border:1px solid #fecaca}
.mini{border:2px dashed var(--teal);border-radius:14px;padding:6px 16px 16px;margin:18px 0}
.fb{margin-top:10px;font-weight:600}
.fb.good{color:var(--ok)}.fb.bad{color:var(--bad)}
.opt:disabled{cursor:default}
@media(max-width:820px){.tr-grid{grid-template-columns:1fr}.tr-side{position:static}.dd{grid-template-columns:1fr}}