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ease;min-width:150px}.cancel-modal-button.secondary{background:#f8fafc;color:#64748b;border:1px solid #e2e8f0}.cancel-modal-button.secondary:hover:not(:disabled){background:#f1f5f9;border-color:#cbd5e1}.cancel-modal-button.primary{background:#ef4444;color:#fff}.cancel-modal-button.primary:hover:not(:disabled){background:#dc2626}.cancel-modal-button:disabled{opacity:.6;cursor:not-allowed}.cancel-modal-button.loading{opacity:.8;cursor:wait}.cancel-modal-button.loading:after{content:"";display:inline-block;width:12px;height:12px;margin-left:8px;border:2px solid transparent;border-top:2px solid #fff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.payment-modal{max-width:500px;width:90vw;max-height:90vh;overflow-y:auto;background:linear-gradient(135deg,#fff 0%,#f8fafc 100%);box-shadow:0 25px 50px -12px #00000040;border:1px solid rgba(255,255,255,.2);animation:paymentModalSlideIn .4s cubic-bezier(.16,1,.3,1)}@keyframes paymentModalSlideIn{0%{opacity:0;transform:translate(-50%,-60%) scale(.95)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.payment-modal .modal-header{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:2rem;text-align:center;position:relative;overflow:hidden}.payment-modal .modal-header:before{content:"";position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:shimmer 3s ease-in-out infinite}@keyframes shimmer{0%,to{transform:rotate(0)}50%{transform:rotate(180deg)}}.payment-modal .modal-header h3{font-size:1.75rem;font-weight:700;margin:0;position:relative;z-index:1;text-shadow:0 2px 4px rgba(0,0,0,.1)}.payment-modal .close-button{position:absolute;top:1rem;right:1rem;background:rgba(255,255,255,.2);color:#fff;border:none;width:40px;height:40px;border-radius:50%;font-size:1.5rem;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(10px);z-index:2}.payment-modal .close-button:hover{background:rgba(255,255,255,.3);transform:rotate(90deg)}.payment-modal .modal-body{padding:0}.payment-plan-details{padding:2rem}.payment-plan-price{text-align:center;margin-bottom:2rem;padding:1.5rem;background:linear-gradient(135deg,#f8fafc 0%,#e2e8f0 100%);border-radius:16px;border:1px solid #e2e8f0;position:relative;overflow:hidden}.payment-plan-price:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.6),transparent);animation:priceShine 2s ease-in-out infinite}@keyframes priceShine{0%{left:-100%}50%{left:100%}to{left:100%}}.payment-plan-price .price{font-size:3rem;font-weight:800;color:#1e293b;display:block;margin-bottom:.5rem;background:linear-gradient(135deg,#667eea 0%,#764ba2 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ease-in-out}@keyframes errorShake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.payment-modal .modal-actions{padding:2rem;background:linear-gradient(135deg,#f8fafc 0%,#f1f5f9 100%);border-top:1px solid #e2e8f0;display:flex;gap:1rem;justify-content:space-between}.upgrade-modal-button{flex:1;padding:1rem 1.5rem;border:none;border-radius:12px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;text-transform:uppercase;letter-spacing:.05em}.upgrade-modal-button.primary{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;box-shadow:0 10px 25px #667eea4d}.upgrade-modal-button.primary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}.upgrade-modal-button.primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 15px 35px #667eea66}.upgrade-modal-button.primary:hover:not(:disabled):before{left:100%}.upgrade-modal-button.primary:active{transform:translateY(0)}.upgrade-modal-button.secondary{background:#f8fafc;color:#64748b;border:2px solid #e2e8f0}.upgrade-modal-button.secondary:hover:not(:disabled){background:#f1f5f9;border-color:#cbd5e1;color:#475569;transform:translateY(-1px)}.upgrade-modal-button:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.upgrade-modal-button.primary:disabled{background:#94a3b8;box-shadow:none}.upgrade-modal-button.primary.loading{background:linear-gradient(135deg,#94a3b8 0%,#64748b 100%);cursor:wait}.upgrade-modal-button.loading:after{content:"";width:20px;height:20px;border:2px solid transparent;border-top:2px solid currentColor;border-radius:50%;animation:spin 1s linear infinite;display:inline-block;margin-left:.5rem}@media (max-width: 576px){.payment-modal{width:95vw;margin:1rem;max-height:95vh}.payment-modal .modal-header{padding:1.5rem}.payment-modal .modal-header h3{font-size:1.5rem}.payment-plan-details{padding:1.5rem}.payment-plan-price .price{font-size:2.5rem}.payment-modal .modal-actions{padding:1.5rem;flex-direction:column}.upgrade-modal-button{width:100%}.payment-plan-features li{padding:.5rem}}.modal-overlay{backdrop-filter:blur(8px);background:rgba(0,0,0,.6);animation:overlayFadeIn .3s ease-out}@keyframes overlayFadeIn{0%{opacity:0;backdrop-filter:blur(0px)}to{opacity:1;backdrop-filter:blur(8px)}}.why-use{padding:6rem 0;background:linear-gradient(135deg,#fefefe 0%,#f8fafc 50%,#e2e8f0 100%);position:relative;overflow:hidden}.why-use:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 20% 20%,rgba(53,99,233,.1) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(108,71,255,.08) 0%,transparent 50%)}.why-use-header{text-align:center;margin-bottom:4rem;position:relative;z-index:1}.why-use-subtitle{font-size:1.2rem;color:var(--text-light);max-width:600px;margin:0 auto;font-weight:500}.why-use-roadmap{max-width:900px;margin:0 auto;position:relative;z-index:1}.why-use-roadmap:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:3px;background:linear-gradient(to bottom,var(--primary) 0%,var(--secondary) 50%,var(--accent) 100%);transform:translate(-50%);border-radius:2px}.roadmap-item{display:flex;align-items:flex-start;margin-bottom:4rem;position:relative}.roadmap-item:nth-child(even){flex-direction:row-reverse}.roadmap-item:nth-child(even) .roadmap-content{text-align:right;margin-right:3rem;margin-left:0}.roadmap-item:nth-child(odd) .roadmap-content{margin-left:3rem}.roadmap-step{display:flex;flex-direction:column;align-items:center;position:relative;z-index:2;min-width:120px}.step-number{width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;margin-bottom:1rem;box-shadow:0 8px 25px #3563e94d;position:relative;overflow:hidden}.step-number:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(255,255,255,.3) 0%,transparent 50%);border-radius:50%}.step-icon{font-size:2.5rem;background:white;width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px #0000001a;border:3px solid rgba(53,99,233,.1);transition:all .3s ease}.roadmap-item:hover .step-icon{transform:scale(1.1);box-shadow:0 15px 40px #00000026;border-color:var(--primary)}.roadmap-content{flex:1;background:white;padding:2.5rem;border-radius:1.5rem;box-shadow:0 10px 30px #00000014;border:1px solid rgba(53,99,233,.1);position:relative;transition:all .3s ease}.roadmap-content:before{content:"";position:absolute;top:50%;width:0;height:0;border:15px solid transparent;transform:translateY(-50%)}.roadmap-item:nth-child(odd) .roadmap-content:before{right:100%;border-right-color:#fff}.roadmap-item:nth-child(even) .roadmap-content:before{left:100%;border-left-color:#fff}.roadmap-item:hover .roadmap-content{transform:translateY(-5px);box-shadow:0 20px 40px #0000001f;border-color:var(--primary)}.roadmap-content h3{margin-bottom:1rem;color:var(--text);font-size:1.4rem;font-weight:600}.roadmap-content p{color:var(--text-light);line-height:1.6;margin-bottom:1.5rem}.benefit-highlight{display:flex;align-items:center;gap:.5rem;padding:1rem;background:linear-gradient(135deg,rgba(53,99,233,.05),rgba(108,71,255,.05));border-radius:.75rem;border:1px solid rgba(53,99,233,.1)}.highlight-text{font-size:1.25rem;font-weight:700;color:var(--primary)}.highlight-desc{color:var(--text-light);font-size:.9rem}@media (max-width: 768px){.why-use-roadmap:before{left:30px}.roadmap-item,.roadmap-item:nth-child(even){flex-direction:row}.roadmap-item:nth-child(even) .roadmap-content,.roadmap-item:nth-child(odd) .roadmap-content{text-align:left;margin-left:2rem;margin-right:0}.roadmap-step{min-width:90px}.step-number{width:50px;height:50px;font-size:1.2rem}.step-icon{width:60px;height:60px;font-size:2rem}.roadmap-content{padding:1.5rem}.roadmap-item:nth-child(even) .roadmap-content:before{left:-15px;border-left-color:#fff;border-right-color:transparent}.roadmap-item:nth-child(odd) .roadmap-content:before{right:auto;left:-15px;border-right-color:#fff;border-left-color:transparent}}.price-section{display:flex;flex-direction:column;align-items:center;margin-bottom:1.5rem}.original-price{font-size:1.1rem;color:var(--text-light);text-decoration:line-through;margin-bottom:.5rem}.price{font-size:2.5rem;font-weight:700;color:var(--primary);margin-bottom:.5rem}.discount-badge{background:var(--accent);color:#fff;padding:.25rem .75rem;border-radius:1rem;font-size:.8rem;font-weight:600;margin:0}