body{color:#fff;background:linear-gradient(135deg,#0f2027,#203a43,#2c5364);margin:0;font-family:system-ui,sans-serif}section,header{width:100%;max-width:900px}.container{flex-direction:column;align-items:center;gap:4rem;min-height:100vh;padding:60px 20px;display:flex}.header{text-align:center;max-width:700px;margin-top:60px;margin-bottom:40px;padding:20px}h1{font-size:clamp(2.2rem,5vw,3.2rem)}h1 span{color:#4dd0e1}.subtitle{opacity:.9;margin-bottom:2rem;font-size:1.2rem}.buttons{justify-content:center;align-items:center;gap:1.5rem;margin-top:2.5rem;display:flex}button{cursor:pointer;border-radius:12px;justify-content:center;align-items:center;gap:8px;min-width:220px;padding:14px 28px;font-size:1rem;font-weight:600;transition:all .25s;display:inline-flex}.primary{color:#00323a;background:linear-gradient(90deg,#2dd4f7,#7dd3fc,#fb923c);border:none;box-shadow:0 10px 30px #2dd4f759}.secondary{color:#e5faff;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:0 0;border:1.5px solid #e5faff80}.secondary:hover{background:#e5faff14;border-color:#7dd3fc;transform:translateY(-2px)}.features{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;width:100%;max-width:900px;margin-top:4rem;display:grid}.card{text-align:center;background:#ffffff0d;border-radius:12px;padding:1.5rem}.card h3{color:#4dd0e1;margin-bottom:.5rem}.levels{text-align:center;margin-top:4rem}.levels h2{margin-bottom:1rem}.level-list{justify-content:center;gap:1rem;display:flex}.level-list span{background:#ffffff14;border-radius:20px;padding:10px 16px}.footer{opacity:.6;margin-top:4rem;font-size:.9rem}.top-bar{z-index:10;position:fixed;top:24px;right:32px}.sign-in{color:#e6faff;cursor:pointer;opacity:.85;background:0 0;border:none;font-size:.95rem;font-weight:500}.sign-in:hover{opacity:1;text-decoration:underline}.signin-box{text-align:center;background:#ffffff0d;border-radius:16px;width:100%;max-width:420px;padding:32px;box-shadow:0 20px 60px #00000059}.signin-form{flex-direction:column;gap:1rem;margin-top:2rem;display:flex}.signin-form input{color:#fff;background:#ffffff14;border:none;border-radius:10px;outline:none;padding:14px 16px;font-size:.95rem}.signin-form input::placeholder{color:#fff9}@media (max-width:600px){.buttons{flex-direction:column}.features{grid-template-columns:1fr}h1{font-size:2rem}.subtitle{font-size:1rem}}.user-menu{background:#142832f2;border-radius:10px;min-width:120px;padding:8px;position:absolute;top:36px;right:0;box-shadow:0 10px 30px #0006}.user-menu button{color:#fff;text-align:left;cursor:pointer;background:0 0;border:none;width:100%;padding:8px 12px}.user-menu button:hover{background:#ffffff14}.assessment-box{background:#ffffff0f;border-radius:24px;flex-direction:column;justify-content:center;width:100%;max-width:820px;min-height:320px;padding:3.5rem 4rem;display:flex;box-shadow:0 30px 80px #00000059}.stepper{justify-content:space-between;width:100%;max-width:700px;margin-bottom:4rem;display:flex;position:relative}.step{flex:1;align-items:center;display:flex;position:relative}.step-dot{z-index:2;background:#ffffff4d;border-radius:50%;width:14px;height:14px}.step-dot.active{background:#4dd0e1}.step-line{background:#fff3;flex:1;height:2px;margin:0 8px}.step-line.active{background:#4dd0e1}.step-label{opacity:.5;white-space:nowrap;font-size:.8rem;position:absolute;top:24px}.step-label.active{opacity:1}.option-grid{grid-template-columns:repeat(2,1fr);gap:1rem;margin:2rem 0;display:grid}.option{color:#fff;cursor:pointer;background:0 0;border:1px solid #fff3;border-radius:12px;padding:16px}.option.selected{background:#4dd0e133;border-color:#4dd0e1}.assessment-actions{justify-content:space-between;align-items:center;margin-top:3rem;display:flex}.assessment-actions button{min-width:180px}.question-step{flex-direction:column;align-items:center;gap:2.5rem;display:flex}.question-prompt{text-align:center;font-size:1.9rem;font-weight:600;line-height:1.4}.answer-input,.answer-textarea{color:#fff;background:#ffffff1f;border:1px solid #ffffff40;border-radius:14px;outline:none;width:100%;max-width:420px;padding:14px 18px;font-size:1.05rem}.answer-input::placeholder,.answer-textarea::placeholder{color:#ffffff80}.answer-input:focus,.answer-textarea:focus{border-color:#4dd0e1;box-shadow:0 0 0 3px #4dd0e133}