:root{--blue:#073b77;--blue2:#0b63b6;--red:#d71920;--gold:#ffca3a;--ink:#15334f;--muted:#60758b;--bg:#eef6ff;--ok:#138a55;--bad:#bd2734;--shadow:0 18px 45px #073b7722}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:radial-gradient(circle at 8% 0,#d6ecff 0,transparent 28%),linear-gradient(145deg,#f9fcff,#eaf4ff)}button,input{font:inherit}.app{width:min(1080px,100%);margin:auto;padding:20px}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.brand{display:flex;align-items:center;gap:13px}.brand img{width:60px;height:60px;border-radius:50%;object-fit:cover;object-position:center 22%;border:4px solid #fff;box-shadow:0 5px 18px #073b7733}.brand h1{margin:0;color:var(--blue);font-size:clamp(1.35rem,3vw,1.9rem)}.brand p{margin:3px 0 0;color:var(--muted);font-weight:700}.screen{display:none}.screen.active{display:block}.hero,.panel,.level-card{background:#fff;border:1px solid #d6e7f7;box-shadow:var(--shadow)}.hero{border-radius:28px;padding:clamp(25px,5vw,50px);display:flex;justify-content:space-between;align-items:center;gap:25px;overflow:hidden}.hero h2{font-size:clamp(2.1rem,5vw,4rem);line-height:1.03;margin:8px 0 15px;color:var(--blue)}.hero p,.lead{font-size:1.08rem;line-height:1.6;color:var(--muted)}.hero img{width:185px;height:185px;border-radius:50%;object-fit:cover;object-position:center 22%;border:9px solid #e4f1fd}.eyebrow{text-transform:uppercase;letter-spacing:.09em;color:var(--red);font-weight:900;font-size:.84rem}.cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.level-card{border-radius:24px;padding:28px;position:relative;overflow:hidden}.level-card .num{position:absolute;right:20px;top:4px;font-size:5rem;font-weight:950;color:#0b63b610}.level-card h3{font-size:1.65rem;color:var(--blue);margin:20px 0 8px}.level-card p{color:var(--muted);line-height:1.5}.level-card li{margin:8px}.level-two{border-top:7px solid var(--red)}.level-one{border-top:7px solid var(--blue2)}.primary,.ghost{border:0;border-radius:14px;min-height:50px;padding:13px 20px;font-weight:900;cursor:pointer}.primary{background:var(--red);color:#fff;box-shadow:0 6px 0 #96151a}.ghost{background:#e8f2fb;color:var(--blue)}.hidden{display:none!important}.panel{border-radius:28px;padding:clamp(24px,5vw,48px)}.panel>h2{font-size:2rem;color:var(--blue)}label{display:block;font-weight:850;margin:22px 0 8px}input{width:min(480px,100%);border:2px solid #bed4e8;border-radius:14px;padding:15px;outline:none}input:focus{border-color:var(--blue2);box-shadow:0 0 0 4px #0b63b619}.actions{display:flex;gap:12px;margin-top:25px}.game-top{display:flex;justify-content:space-between;gap:20px;align-items:center}.game-top h2{margin:5px 0;color:var(--blue)}.stats{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.stats span{background:#f3f8fd;border:1px solid #d2e3f2;border-radius:999px;padding:8px 12px}.progress-shell{height:12px;background:#dbe9f5;border-radius:99px;overflow:hidden;margin:18px 0 28px}.progress{height:100%;width:0;background:linear-gradient(90deg,var(--gold),#ff9717);transition:.3s}.question-wrap h3{font-size:clamp(1.35rem,3vw,2rem);line-height:1.4}.visual{min-height:76px;border:2px dashed #b9d2e9;background:#f4f9fd;border-radius:17px;padding:18px;display:flex;justify-content:center;align-items:center;text-align:center;font-size:1.5rem;font-weight:850}.answers{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}.answer{border:2px solid #c7daeb;background:#fff;border-radius:14px;padding:16px;text-align:left;font-weight:850;cursor:pointer}.answer:hover:not(:disabled){border-color:var(--blue2);background:#f0f7ff}.answer.correct{border-color:var(--ok);background:#e8f8f0;color:#09643c}.answer.wrong{border-color:var(--bad);background:#fff0f1;color:#94212a}.hint,.feedback{display:none;margin-top:15px;border-radius:13px;padding:14px 17px}.hint.show{display:block;background:#fff7d5;border-left:5px solid var(--gold)}.feedback.show{display:block}.feedback.ok{background:#e8f8f0;color:#09643c}.feedback.no{background:#fff0f1;color:#8c2029}.game-actions{display:flex;justify-content:space-between;gap:12px;margin-top:18px}.center{text-align:center}.big-icon{font-size:5rem}.center-actions{justify-content:center}.result-stats{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:22px}.result-stats span{background:#edf5fc;border-radius:12px;padding:12px 17px;font-weight:850}.diploma{background:#fffdf5;border:12px double #c99b22;outline:3px solid var(--blue);padding:44px;text-align:center;max-width:900px;margin:15px auto;box-shadow:var(--shadow);position:relative}.diploma:before,.diploma:after{content:"✦";position:absolute;color:#c99b22;font-size:2rem}.diploma:before{top:18px;left:22px}.diploma:after{right:22px;bottom:18px}.seal{font-size:4rem}.school{font-weight:900;color:var(--blue);letter-spacing:.08em}.diploma h2{font-family:Georgia,serif;color:var(--blue);font-size:clamp(2rem,5vw,3.4rem);margin:10px}.diploma h3{font-family:Georgia,serif;font-size:clamp(1.8rem,4vw,3rem);color:var(--red);border-bottom:2px solid #c99b22;display:inline-block;padding:4px 30px;margin:12px}.diploma h4{font-size:1.35rem;color:var(--blue)}.diploma-score{font-weight:900;font-size:1.15rem}.signatures{display:flex;justify-content:space-around;gap:40px;margin-top:55px}.signatures div{border-top:1px solid #445;padding-top:8px;min-width:220px}.signatures span,.signatures b{display:block}.signatures b{font-size:.8rem;color:var(--muted);margin-top:5px}@media(max-width:720px){.app{padding:10px}.hero{display:block;text-align:center}.hero img{width:130px;height:130px}.cards,.answers{grid-template-columns:1fr}.game-top{align-items:flex-start}.stats{max-width:150px}.brand p{display:none}.diploma{padding:25px 15px}.signatures{display:block}.signatures div{margin:45px auto 0;min-width:180px}.actions{flex-wrap:wrap}.actions button{flex:1}}@media print{body{background:#fff}.app{width:100%;padding:0}header,.no-print{display:none!important}main,.screen{display:block!important}.screen:not(#diploma){display:none!important}.diploma{box-shadow:none;margin:0;max-width:none;min-height:96vh;display:flex;flex-direction:column;justify-content:center}.signatures{margin-top:75px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}