:root{--gradient-primary:linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);--gradient-accent-blue:linear-gradient(135deg, var(--accent-blue) 0%, #2563eb 100%);--gradient-accent-green:linear-gradient(135deg, var(--accent-green) 0%, #059669 100%);--gradient-accent-orange:linear-gradient(135deg, var(--accent-orange) 0%, #dc2626 100%);--gradient-accent-purple:linear-gradient(135deg, var(--accent-purple) 0%, var(--tertiary) 100%);--gradient-calm:linear-gradient(135deg, var(--accent-pink) 0%, var(--accent-orange) 100%)}.questionnaire-container{min-height:100vh;background:#000;position:relative;overflow:hidden}.questionnaire-container::after,.questionnaire-container::before{content:'';position:fixed;border-radius:50%;filter:blur(80px);opacity:.5;animation:20s ease-in-out infinite 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shimmer{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}.back-arrow{position:fixed;top:32px;left:32px;background:0 0;border:none;color:var(--primary);font-size:3.5rem;font-weight:400;cursor:pointer;transition:.3s;z-index:100;padding:0;line-height:1;display:flex;align-items:center;justify-content:center;height:56px;width:56px;text-align:center}.back-arrow:hover{transform:scale(1.1) translateX(-3px);color:var(--primary-light)}.back-arrow:active{transform:scale(.9)}.questionnaire-logo{position:fixed;top:24px;left:50%;transform:translateX(-50%);width:120px;height:auto;z-index:11;transition:.3s cubic-bezier(.4, 0, .2, 1);filter:drop-shadow(0 2px 8px rgba(0, 0, 0, .3))}.questionnaire-logo:hover{transform:translateX(-50%) scale(1.05)}.btn{display:inline-block;padding:1rem 3rem;background:#fff;color:var(--primary);border:2px solid 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20px}.question-number{font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.6);margin-bottom:24px;display:flex;align-items:center;gap:12px;padding-top:20px}.question-number::before{content:'';width:40px;height:2px;background:var(--gradient-accent-blue);border-radius:2px}.question-text{font-size:clamp(2.5rem, 5vw, 4rem);font-weight:800;color:#fff;line-height:1.1;margin-bottom:24px;letter-spacing:-.03em;animation:.5s cubic-bezier(.34,1.56,.64,1) slideInFromBottom}.question-subtitle{font-size:clamp(1.25rem, 2vw, 1.5rem);color:rgba(255,255,255,.8);margin-bottom:56px;line-height:1.5;font-weight:400;animation:.5s cubic-bezier(.34,1.56,.64,1) .1s both slideInFromBottom}@keyframes slideInFromBottom{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.answer-options{display:flex;flex-direction:column;gap:16px}.answer-option{background:rgba(255,255,255,.95);border:2px solid 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rotate(45deg) scale(1)}}.input-field{background:rgba(255,255,255,.95);border:2px solid rgba(255,255,255,.2);border-radius:16px;padding:20px 24px;font-size:1.125rem;font-weight:500;width:100%;transition:.2s;outline:0;margin-bottom:24px;color:var(--text-primary);box-shadow:0 4px 20px rgba(0,0,0,.15)}.input-field::placeholder{color:rgba(102,102,102,.8);font-weight:400}.input-field:focus{border-color:var(--accent-blue);box-shadow:0 0 0 4px rgba(74,144,226,.1),var(--shadow-md);transform:translateY(-2px)}select.input-field.has-value{background:var(--gradient-accent-green);color:#fff;border-color:var(--accent-green)}select.input-field.has-value option{background:#fff;color:var(--text-primary)}.input-container{display:flex;flex-direction:column;gap:20px;margin-bottom:32px;position:relative;z-index:10001}.navigation-buttons{display:flex;gap:16px;margin-top:48px;justify-content:flex-end;z-index:10000;position:relative}.nav-button{padding:18px 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rgba(138,52,179,.3)}.nav-button:focus{outline:0;border:none}.nav-button:disabled{opacity:.4;cursor:not-allowed;transform:none!important;filter:grayscale(.5)}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;position:relative;z-index:1}.loading-spinner{width:64px;height:64px;position:relative;margin-bottom:32px}.loading-spinner::after,.loading-spinner::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;border-radius:50%;border:3px solid transparent}.loading-spinner::before{border-top-color:var(--primary);animation:1s linear infinite spin}.loading-spinner::after{border-bottom-color:var(--secondary);animation:1.5s linear infinite reverse spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-container p{color:rgba(255,255,255,.8);font-size:1.125rem;font-weight:500;animation:2s ease-in-out infinite pulse}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}@keyframes 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