:root{--white: #ffffff;--black: #101010;--purple: #6d28d9;--purple-dark: #5b21b6;--purple-soft: #f5f3ff;--grey-100: #f6f6f7;--grey-200: #e8e8ea;--grey-500: #6b7280;--green: #128a4d;--red: #c02626;--radius: 14px;--max-width: 1080px;--font: "Segoe UI", system-ui, -apple-system, "Noto Sans Armenian", sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font);color:var(--black);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}h1{font-size:clamp(2rem,5vw,3.25rem)}h2{font-size:clamp(1.4rem,3vw,2rem)}p{margin:0 0 1em}a{color:var(--purple)}.shell{display:flex;flex-direction:column;min-height:100%}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}.site-header{border-bottom:1px solid var(--grey-200);position:sticky;top:0;background:var(--white);z-index:10}.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;flex-wrap:wrap}.brand{font-weight:700;font-size:1.05rem;text-decoration:none;color:var(--black);letter-spacing:-.02em}.brand span{color:var(--purple)}.nav{display:flex;align-items:center;gap:18px}.nav a{color:var(--black);text-decoration:none;font-size:.95rem}.nav a:hover,.nav a.active{color:var(--purple)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius);border:1px solid transparent;background:var(--purple);color:var(--white);font:inherit;font-weight:600;cursor:pointer;text-decoration:none;transition:background .15s ease,transform .05s ease}.btn:hover:not(:disabled){background:var(--purple-dark)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--black);border-color:var(--grey-200)}.btn-ghost:hover:not(:disabled){background:var(--grey-100);color:var(--black)}.btn-sm{padding:8px 16px;font-size:.9rem}.card{border:1px solid var(--grey-200);border-radius:var(--radius);padding:24px;background:var(--white)}.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.section{padding:56px 0}.muted{color:var(--grey-500)}.center{text-align:center}.stack{display:flex;flex-direction:column;gap:16px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.badge{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--purple-soft);color:var(--purple-dark);font-size:.8rem;font-weight:600}.hero{padding:72px 0 56px}.hero p.lead{font-size:1.15rem;color:var(--grey-500);max-width:60ch}.exam-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:20px}.timer{font-variant-numeric:tabular-nums;font-weight:700;font-size:1.3rem}.timer.warning{color:var(--red)}.progress{height:6px;background:var(--grey-200);border-radius:999px;overflow:hidden;margin-bottom:28px}.progress-value{height:100%;background:var(--purple);transition:width .2s ease}.question-text{font-size:1.2rem;font-weight:600;margin-bottom:20px}.option{display:flex;gap:12px;align-items:flex-start;width:100%;text-align:left;padding:16px 18px;border:1px solid var(--grey-200);border-radius:var(--radius);background:var(--white);font:inherit;cursor:pointer;margin-bottom:10px;transition:border-color .12s ease,background .12s ease}.option:hover{border-color:var(--purple)}.option.selected{border-color:var(--purple);background:var(--purple-soft)}.option .key{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--grey-200);display:grid;place-items:center;font-size:.85rem;font-weight:700}.option.selected .key{background:var(--purple);border-color:var(--purple);color:var(--white)}.question-nav{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}.dot{width:34px;height:34px;border-radius:8px;border:1px solid var(--grey-200);background:var(--white);font:inherit;font-size:.85rem;cursor:pointer}.dot.answered{background:var(--purple-soft);border-color:var(--purple);color:var(--purple-dark);font-weight:600}.dot.current{outline:2px solid var(--purple);outline-offset:1px}.score{font-size:3.5rem;font-weight:800;line-height:1;letter-spacing:-.03em}.score.pass{color:var(--green)}.score.fail{color:var(--red)}.result-row{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--grey-200)}.result-row:last-child{border-bottom:none}.mark{flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;color:var(--white);font-size:.8rem;font-weight:700}.mark.ok{background:var(--green)}.mark.bad{background:var(--red)}.locked{position:relative;border:1px dashed var(--grey-200);border-radius:var(--radius);padding:28px;background:var(--grey-100);text-align:center}.locked h3{margin-bottom:6px}.explanation{background:var(--purple-soft);border-left:3px solid var(--purple);padding:12px 16px;border-radius:0 8px 8px 0;margin-top:10px;font-size:.95rem}.price{font-size:2rem;font-weight:800;letter-spacing:-.02em}.plan.featured{border-color:var(--purple);box-shadow:0 8px 30px #6d28d91a}.alert{padding:14px 18px;border-radius:var(--radius);border:1px solid var(--grey-200);background:var(--grey-100);font-size:.95rem}.alert.error{border-color:#f0c9c9;background:#fdf3f3;color:var(--red)}.stat{border:1px solid var(--grey-200);border-radius:var(--radius);padding:18px}.stat .value{font-size:1.9rem;font-weight:800;letter-spacing:-.02em}.stat .label{color:var(--grey-500);font-size:.9rem}table{width:100%;border-collapse:collapse;font-size:.95rem}th,td{text-align:left;padding:12px 8px;border-bottom:1px solid var(--grey-200)}th{color:var(--grey-500);font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.03em}.site-footer{margin-top:auto;border-top:1px solid var(--grey-200);padding:28px 0;color:var(--grey-500);font-size:.9rem}.spinner{width:22px;height:22px;border:2px solid var(--grey-200);border-top-color:var(--purple);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 600px){.section{padding:36px 0}.hero{padding:44px 0 32px}}