:root{--bg:#f4f7fb;--card:#ffffff;--ink:#102033;--muted:#5b6b7d;--blue:#1d4ed8;--violet:#6d28d9;--green:#047857;--red:#b91c1c;--line:#d8e1ee}
*{box-sizing:border-box} body{margin:0;font-family:Inter,Arial,sans-serif;background:radial-gradient(circle at top left,#e8edff,var(--bg) 45%,#f7fbff);color:var(--ink)}
.shell{max-width:1050px;margin:0 auto;padding:28px}.card{background:rgba(255,255,255,.93);border:1px solid var(--line);border-radius:24px;box-shadow:0 18px 40px rgba(16,32,51,.08);padding:28px;margin:20px 0}.hero{display:flex;justify-content:space-between;gap:28px;align-items:center;background:linear-gradient(135deg,#ffffff,#eef2ff)}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--blue);font-weight:800;font-size:12px}.lead{font-size:18px;line-height:1.55;color:var(--muted)}h1{font-size:40px;margin:8px 0}h2{margin-top:0}.badge{min-width:130px;height:130px;border-radius:50%;display:grid;place-items:center;text-align:center;background:linear-gradient(135deg,var(--blue),var(--violet));color:white;font-weight:900;box-shadow:0 14px 30px rgba(29,78,216,.35)}
.step{display:none}.step.active{display:block}.grid-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.grid-form.compact{grid-template-columns:1fr auto;align-items:end}label{font-weight:700;color:#1c2a3a}input{width:100%;margin-top:8px;border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-size:16px;background:#fbfdff}button{border:0;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--violet));color:white;padding:14px 18px;font-weight:800;font-size:15px;cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}.notice{margin-top:18px;border-radius:14px;padding:14px 16px;background:#eef6ff;border:1px solid #bedbff}.notice.fail{background:#fff1f2;border-color:#fecdd3;color:var(--red)}.notice.pass{background:#ecfdf5;border-color:#bbf7d0;color:var(--green)}.hidden{display:none!important}.training{line-height:1.6;color:#24364a}.training h3{border-top:1px solid var(--line);padding-top:18px}.checkline{display:flex;gap:12px;margin:24px 0;line-height:1.45}.checkline input{width:22px;height:22px;flex:0 0 22px;margin:2px 0 0}.quiz-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);margin-bottom:18px}.option{display:block;border:1px solid var(--line);border-radius:14px;padding:14px;margin:10px 0;background:#fbfdff;font-weight:600}.option input{width:auto;margin-right:10px}#resultBox{font-size:18px;line-height:1.6}@media(max-width:760px){.hero,.quiz-head{display:block}.grid-form,.grid-form.compact{grid-template-columns:1fr}h1{font-size:30px}.badge{margin-top:20px}}