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#667eea1a}.form-textarea{resize:vertical;min-height:80px}.options-section{flex-direction:column;gap:12px;display:flex}.options-section>label{color:#333;font-size:1rem;font-weight:600}.option-input-group{border-radius:8px;align-items:center;gap:12px;padding:8px;transition:background-color .3s;display:flex}.option-input-group:hover{background-color:#f8f9fa}.option-label{color:#667eea;min-width:25px;font-size:1.1rem;font-weight:700}.option-input{flex:1;margin:0}.correct-answer-radio{margin:0;transform:scale(1.2)}.radio-label{color:#666;white-space:nowrap;margin:0;font-size:.9rem}.message{border-radius:8px;padding:12px 16px;font-size:.95rem;font-weight:500}.message.success{color:#155724;background-color:#d4edda;border:1px solid #c3e6cb}.message.error{color:#721c24;background-color:#f8d7da;border:1px solid #f5c6cb}.submit-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;border-radius:8px;margin-top:10px;padding:15px 30px;font-size:1.1rem;font-weight:600;transition:all .3s}.submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 15px #667eea4d}.submit-btn:disabled{opacity:.6;cursor:not-allowed}.data-management{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff2;border-radius:15px;height:fit-content;padding:25px;box-shadow:0 10px 30px #0003}.data-management h3{color:#333;margin:0 0 20px;font-size:1.3rem;font-weight:700}.data-actions{flex-direction:column;gap:12px;margin-bottom:25px;display:flex}.export-btn,.import-label{color:#fff;cursor:pointer;text-align:center;background:linear-gradient(135deg,#28a745 0%,#20c997 100%);border:none;border-radius:8px;padding:12px 20px;font-size:.95rem;font-weight:500;text-decoration:none;transition:all .3s;display:block}.export-btn:hover,.import-label:hover{transform:translateY(-2px);box-shadow:0 5px 15px #28a7454d}.data-stats{border-top:2px solid #f0f0f0;padding-top:20px}.data-stats h4{color:#333;margin:0 0 15px;font-size:1.1rem;font-weight:600}.stats-grid{grid-template-columns:1fr 1fr;gap:15px;display:grid}.stat-item{text-align:center;background:linear-gradient(135deg,#f8f9fa 0%,#e9ecef 100%);border:1px solid #dee2e6;border-radius:8px;padding:15px}.stat-number{color:#667eea;font-size:2rem;font-weight:700;line-height:1;display:block}.stat-label{color:#666;text-transform:uppercase;letter-spacing:.5px;margin-top:5px;font-size:.85rem;display:block}@media (max-width:768px){.add-question-content{grid-template-columns:1fr;gap:20px;padding:0 10px}.add-question-header h1{font-size:2rem}.question-form-container,.data-management{padding:20px}.option-input-group{flex-wrap:wrap;gap:8px}.option-input{min-width:200px}.stats-grid{grid-template-columns:1fr}}.homepage{color:#333;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;overflow-x:hidden}.container{max-width:1200px;margin:0 auto;padding:0 20px}.navbar{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;background:#fffffff2;border-bottom:1px solid #0000001a;padding:15px 0;transition:all .3s;position:fixed;top:0;left:0;right:0}.nav-container{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 20px;display:flex}.nav-logo{color:#667eea;align-items:center;gap:10px;font-size:1.5rem;font-weight:700;display:flex}.logo-icon{font-size:2rem}.nav-menu{align-items:center;gap:30px;margin:0;padding:0;list-style:none;display:flex}.nav-menu li button{color:#555;cursor:pointer;background:0 0;border:none;border-radius:6px;padding:8px 16px;font-size:1rem;font-weight:500;transition:color .3s}.nav-menu li button:hover{color:#667eea;background:#667eea1a}.nav-cta{transition:all .3s;box-shadow:0 4px 15px #667eea4d;color:#fff!important;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)!important;border-radius:25px!important;padding:10px 20px!important;font-weight:600!important}.nav-cta:hover{transform:translateY(-2px);background:linear-gradient(135deg,#5a67d8 0%,#6b46c1 100%)!important;box-shadow:0 6px 20px #667eea66!important}.hero-section{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);align-items:center;min-height:100vh;padding-top:80px;display:flex;position:relative}.hero-background{position:absolute;inset:0;overflow:hidden}.hero-shapes{width:100%;height:100%;position:relative}.shape{background:#ffffff1a;border-radius:50%;animation:6s ease-in-out infinite float;position:absolute}.shape-1{width:200px;height:200px;animation-delay:0s;top:10%;right:10%}.shape-2{width:150px;height:150px;animation-delay:2s;top:60%;left:5%}.shape-3{width:100px;height:100px;animation-delay:4s;top:30%;left:20%}@keyframes float{0%,to{transform:translateY(0)rotate(0)}50%{transform:translateY(-20px)rotate(180deg)}}.hero-content{z-index:2;grid-template-columns:1fr 1fr;align-items:center;gap:60px;max-width:1200px;margin:0 auto;padding:0 20px;display:grid;position:relative}.hero-title{margin:0 0 20px;font-size:3.5rem;font-weight:800;line-height:1.1}.highlight{-webkit-text-fill-color:transparent;background:linear-gradient(45deg,gold,#ff6b6b);-webkit-background-clip:text;background-clip:text;display:inline-block}.hero-subtitle{opacity:.9;margin:0 0 40px;font-size:1.2rem;line-height:1.6}.hero-buttons{flex-wrap:wrap;gap:20px;margin-bottom:50px;display:flex}.btn-primary,.btn-secondary{cursor:pointer;border:none;border-radius:50px;align-items:center;gap:10px;padding:15px 30px;font-size:1.1rem;font-weight:600;text-decoration:none;transition:all .3s;display:flex}.btn-primary{color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fff3;border:2px solid #ffffff4d}.btn-primary:hover{background:#ffffff4d;transform:translateY(-2px);box-shadow:0 10px 30px #0003}.btn-secondary{color:#fff;background:0 0;border:2px solid #ffffff80}.btn-secondary:hover{background:#ffffff1a;border-color:#fff}.btn-primary.large{padding:20px 40px;font-size:1.3rem}.hero-stats{flex-wrap:wrap;gap:40px;display:flex}.stat{text-align:center;flex-direction:column;align-items:center;display:flex}.stat-number{color:gold;font-size:2rem;font-weight:800}.stat-label{opacity:.8;margin-top:5px;font-size:.9rem}.hero-image{justify-content:center;align-items:center;display:flex}.quiz-preview{background:#fff;border-radius:20px;width:100%;max-width:400px;animation:1s ease-out slideUp;overflow:hidden;box-shadow:0 20px 50px #0000004d}.preview-header{background:#f8f9fa;border-bottom:1px solid #e0e0e0;padding:15px 20px}.preview-dots{gap:8px;display:flex}.preview-dots span{background:#ddd;border-radius:50%;width:12px;height:12px}.preview-dots span:first-child{background:#ff6b6b}.preview-dots span:nth-child(2){background:#ffd93d}.preview-dots span:last-child{background:#6bcf7f}.preview-content{color:#333;padding:30px}.preview-question h3{margin:0 0 20px;font-size:1.1rem;line-height:1.4}.preview-options{flex-direction:column;gap:12px;margin-bottom:25px;display:flex}.preview-option{border:2px solid #e0e0e0;border-radius:8px;padding:12px 15px;font-size:.9rem;transition:all .3s}.preview-option.selected{color:#667eea;background:#f0f4ff;border-color:#667eea;font-weight:600}.preview-progress{justify-content:space-between;align-items:center;display:flex}.progress-bar{background:#e0e0e0;border-radius:3px;flex:1;height:6px;margin-right:15px;overflow:hidden}.progress-fill{background:linear-gradient(90deg,#667eea,#764ba2);border-radius:3px;width:30%;height:100%;animation:2s ease-in-out infinite progressAnimate}@keyframes progressAnimate{0%,to{width:30%}50%{width:35%}}.progress-text{color:#666;font-size:.8rem;font-weight:500}.section-header{text-align:center;margin-bottom:60px}.section-header h2{color:#333;margin:0 0 15px;font-size:2.5rem;font-weight:700}.section-header p{color:#666;max-width:600px;margin:0 auto;font-size:1.1rem}.features-section{background:#f8f9fa;padding:100px 0}.features-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:40px;display:grid}.feature-card{text-align:center;background:#fff;border:1px solid #0000;border-radius:20px;padding:40px 30px;transition:all .3s;box-shadow:0 10px 30px #0000001a}.feature-card:hover{border-color:#667eea;transform:translateY(-10px);box-shadow:0 20px 50px #00000026}.feature-icon{margin-bottom:20px;font-size:3rem;display:block}.feature-card h3{color:#333;margin:0 0 15px;font-size:1.3rem;font-weight:600}.feature-card p{color:#666;margin:0;line-height:1.6}.about-section{background:#fff;padding:100px 0}.about-content{grid-template-columns:1fr 1fr;align-items:center;gap:60px;display:grid}.about-text h2{color:#333;margin:0 0 25px;font-size:2.5rem;font-weight:700}.about-text>p{color:#666;margin:0 0 40px;font-size:1.1rem;line-height:1.7}.about-highlights{flex-direction:column;gap:25px;display:flex}.highlight-item{align-items:flex-start;gap:15px;display:flex}.highlight-icon{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:45px;height:45px;padding:10px;font-size:1.2rem;display:flex}.highlight-item h4{color:#333;margin:0 0 5px;font-size:1.1rem;font-weight:600}.highlight-item p{color:#666;margin:0;font-size:.95rem}.stats-card{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:20px;padding:40px;box-shadow:0 20px 40px #00000026}.stats-card h3{text-align:center;margin:0 0 30px;font-size:1.5rem;font-weight:700}.impact-stats{flex-direction:column;gap:20px;display:flex}.impact-item{border-bottom:1px solid #fff3;justify-content:space-between;align-items:center;padding:15px 0;display:flex}.impact-item:last-child{border-bottom:none}.impact-number{font-size:2rem;font-weight:800}.impact-label{opacity:.9}.testimonials-section{background:#f8f9fa;padding:100px 0}.testimonials-grid{grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:40px;display:grid}.testimonial-card{background:#fff;border-radius:20px;padding:30px;transition:transform .3s;box-shadow:0 10px 30px #0000001a}.testimonial-card:hover{transform:translateY(-5px)}.testimonial-content{margin-bottom:20px}.stars{margin-bottom:15px}.star{margin-right:2px;font-size:1.2rem}.testimonial-content p{color:#555;margin:0;font-size:1rem;font-style:italic;line-height:1.6}.testimonial-author{align-items:center;gap:15px;display:flex}.author-avatar{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:50%;justify-content:center;align-items:center;width:50px;height:50px;font-size:1.2rem;font-weight:600;display:flex}.author-info h4{color:#333;margin:0;font-size:1rem;font-weight:600}.author-info span{color:#666;font-size:.9rem}.cta-section{text-align:center;color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);padding:100px 0}.cta-content h2{margin:0 0 15px;font-size:2.5rem;font-weight:700}.cta-content p{opacity:.9;max-width:600px;margin:0 auto 40px;font-size:1.2rem}.footer{color:#fff;background:#1a202c;padding:60px 0 20px}.footer-content{grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;display:grid}.footer-section h4{color:#fff;margin:0 0 20px;font-size:1.1rem;font-weight:600}.footer-section p{color:#a0aec0;margin:0 0 20px;line-height:1.6}.footer-section ul{margin:0;padding:0;list-style:none}.footer-section ul li{margin-bottom:10px}.footer-section ul li button{color:#a0aec0;cursor:pointer;background:0 0;border:none;padding:0;font-size:.95rem;transition:color .3s}.footer-section ul li button:hover{color:#fff}.footer-logo{align-items:center;gap:10px;margin-bottom:15px;font-size:1.5rem;font-weight:700;display:flex}.social-links{gap:15px;display:flex}.social-links span{cursor:pointer;font-size:1.2rem;transition:transform .3s}.social-links span:hover{transform:scale(1.2)}.footer-bottom{text-align:center;border-top:1px solid #2d3748;padding-top:20px}.footer-bottom p{color:#a0aec0;margin:0;font-size:.9rem}@media (max-width:768px){.nav-menu{display:none}.hero-content{text-align:center;grid-template-columns:1fr;gap:40px}.hero-title{font-size:2.5rem}.hero-buttons,.hero-stats{justify-content:center}.about-content{grid-template-columns:1fr;gap:40px}.footer-content{text-align:center;grid-template-columns:1fr;gap:30px}.section-header h2{font-size:2rem}.features-grid,.testimonials-grid{grid-template-columns:1fr}}@media (max-width:480px){.container{padding:0 15px}.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.btn-primary,.btn-secondary{padding:12px 24px;font-size:1rem}.feature-card{padding:30px 20px}.testimonial-card{padding:25px 20px}}