:root{--primary-color: #0066FF;--primary-dark: #0052cc;--secondary-color: #0F172A;--accent-color: #F59E0B;--text-color: #334155;--light-text: #64748B;--bg-color: #F8FAFC;--white: #FFFFFF;--gradient-primary: linear-gradient(135deg, #0066FF 0%, #60A5FA 100%);--gradient-vip: linear-gradient(135deg, #FFD700 0%, #FDB931 100%);--gradient-special: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1)}*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,sans-serif;scroll-behavior:smooth}body{background-color:var(--bg-color);color:var(--text-color);line-height:1.6;overflow-x:hidden}.container{max-width:1440px;margin:0 auto;padding:0 20px}h1,h2,h3{color:var(--secondary-color);line-height:1.2}h1{font-size:3.5rem;font-weight:800;margin-bottom:1.5rem}h2{font-size:2.5rem;font-weight:700;margin-bottom:1rem}p{color:var(--light-text);font-size:1.1rem}.gradient-text{background:var(--gradient-primary);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:50px;font-weight:600;text-decoration:none;transition:all .3s ease;cursor:pointer;font-size:1rem;border:none}.btn i{margin-left:8px}.btn-primary{background:var(--primary-color);color:var(--white);box-shadow:0 4px 14px #0066ff63}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 20px #0066ff3b}.btn-outline{background:transparent;border:2px solid #E2E8F0;color:var(--secondary-color)}.btn-outline:hover{border-color:var(--primary-color);color:var(--primary-color);background:#0066ff0d}.btn-gradient{background:var(--gradient-vip);color:#78350f;box-shadow:0 4px 14px #f59e0b63}.btn-gradient:hover{transform:translateY(-2px);filter:brightness(1.05)}.btn-special{background:var(--gradient-special);color:#fff;box-shadow:0 4px 14px #ec489963}.btn-special:hover{transform:translateY(-2px);filter:brightness(1.1)}.btn-sm{padding:8px 20px;font-size:.9rem}.full-width{width:100%}.navbar{background:#fffc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:fixed;top:0;left:0;right:0;z-index:1000;border-bottom:1px solid #E2E8F0;height:80px;display:flex;align-items:center}.nav-container{display:flex;justify-content:space-between;align-items:center;width:100%}.logo{font-size:1.5rem;font-weight:800;color:var(--primary-color);text-decoration:none;letter-spacing:-.5px}.nav-links{display:flex;align-items:center;gap:30px}.nav-links a:not(.btn),.nav-links .btn-special{text-decoration:none;font-weight:500;transition:color .2s}.nav-links a:not(.btn){color:var(--secondary-color)}.nav-links a:not(.btn):hover{color:var(--primary-color)}.mobile-menu-btn{display:none;font-size:1.5rem;color:var(--secondary-color);cursor:pointer}.hero{padding-top:140px;padding-bottom:80px;position:relative;overflow:hidden}.hero-container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.badge{display:inline-block;background:#eff6ff;color:var(--primary-color);padding:6px 16px;border-radius:20px;font-size:.9rem;font-weight:600;margin-bottom:20px;border:1px solid #DBEAFE}.hero-btns{display:flex;gap:15px;margin-top:30px;margin-bottom:40px}.trust-badges{display:flex;gap:20px;color:var(--light-text);font-size:.9rem}.trust-item i{color:#10b981;margin-right:5px}.image-wrapper{position:relative;perspective:1000px}.app-screenshot{width:100%;border-radius:12px;box-shadow:var(--shadow-xl);transform:rotateY(-5deg) rotateX(5deg);transition:transform .5s ease;border:1px solid rgba(0,0,0,.1)}.image-wrapper:hover .app-screenshot{transform:rotateY(0) rotateX(0)}.floating-card{position:absolute;background:#fff;padding:12px 20px;border-radius:10px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:10px;font-weight:600;font-size:.9rem;animation:float 3s ease-in-out infinite;z-index:10}.floating-card i{color:var(--primary-color);font-size:1.2rem}.card-1{top:20%;left:-20px;animation-delay:0s}.card-2{bottom:20%;right:-20px;animation-delay:1.5s}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}.features{padding:100px 0;background:var(--white)}.section-header{text-align:center;max-width:700px;margin:0 auto 60px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}.feature-card{background:var(--bg-color);padding:30px;border-radius:16px;transition:all .3s ease;border:1px solid transparent}.feature-card:hover{transform:translateY(-5px);background:var(--white);box-shadow:var(--shadow-lg);border-color:#e2e8f0}.icon-box{width:60px;height:60px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:20px}.color-1{background:#eff6ff;color:#06f}.color-2{background:#f0fdf4;color:#10b981}.color-3{background:#fff7ed;color:#f59e0b}.color-4{background:#f5f3ff;color:#8b5cf6}.feature-card h3{font-size:1.25rem;margin-bottom:10px}.video-section{padding:80px 0;background:#f8fafc}.video-tabs{display:flex;justify-content:center;gap:20px;margin-bottom:40px}.tab-btn{padding:10px 24px;border:2px solid #E2E8F0;background:transparent;border-radius:30px;font-weight:600;color:var(--light-text);cursor:pointer;transition:all .3s ease}.tab-btn.active{border-color:var(--primary-color);background:var(--primary-color);color:#fff}.video-container{max-width:900px;margin:0 auto;aspect-ratio:16/9;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-xl);background:#000}.video-wrapper{width:100%;height:100%}.pricing{padding:100px 0;background:var(--white)}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;max-width:1400px;margin:0 auto}.pricing-card{background:var(--bg-color);border-radius:20px;padding:40px;position:relative;border:1px solid #E2E8F0;transition:all .3s ease;display:flex;flex-direction:column}.pricing-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-xl);background:var(--white)}.pricing-card.popular{border:2px solid var(--primary-color);transform:scale(1.05);z-index:10;background:var(--white)}.pricing-card.popular:hover{transform:scale(1.05) translateY(-10px)}.popular-badge{position:absolute;top:-15px;left:50%;transform:translate(-50%);background:var(--primary-color);color:#fff;padding:6px 16px;border-radius:20px;font-size:.85rem;font-weight:600}.vip-badge{position:absolute;top:20px;right:20px;background:#fff7ed;color:#f59e0b;padding:4px 12px;border-radius:12px;font-size:.85rem;font-weight:700}.card-header{text-align:center;margin-bottom:20px}.card-header h3{font-size:1.5rem;margin-bottom:5px}.card-header .desc{font-size:.9rem}.price-box{text-align:center;margin-bottom:30px}.original-price{display:block;text-decoration:line-through;color:var(--light-text);font-size:1rem;margin-bottom:5px}.current-price{display:block;font-size:2.5rem;font-weight:800;color:var(--secondary-color)}.features-list{list-style:none;margin-bottom:30px;flex-grow:1}.features-list li{margin-bottom:15px;display:flex;align-items:center;color:var(--text-color)}.features-list li i{color:#10b981;margin-right:10px;font-size:.9rem}.contact-widget{position:fixed;bottom:30px;right:30px;z-index:9999}.contact-toggle-btn{width:60px;height:60px;border-radius:50%;background:var(--primary-color);color:#fff;border:none;font-size:1.5rem;cursor:pointer;box-shadow:var(--shadow-lg);transition:all .3s ease;display:flex;align-items:center;justify-content:center}.contact-toggle-btn:hover{transform:scale(1.1)}.contact-options{position:absolute;bottom:70px;right:0;display:flex;flex-direction:column;gap:10px;opacity:0;visibility:hidden;transform:translateY(20px);transition:all .3s ease}.contact-options.open{opacity:1;visibility:visible;transform:translateY(0)}.contact-item{display:flex;align-items:center;gap:10px;padding:10px 20px;border-radius:30px;background:#fff;box-shadow:var(--shadow-md);text-decoration:none;color:var(--secondary-color);font-weight:600;transition:all .2s;white-space:nowrap}.contact-item:hover{transform:translate(-5px)}.contact-item img{width:24px;height:24px}.contact-item i{font-size:1.2rem}.contact-item.zalo{color:#0068ff}.contact-item.email{color:#ea4335}.contact-item.phone{color:#34a853}.create-website-page{padding-top:80px;min-height:100vh;background:#f8fafc}.form-container-wrapper{padding:60px 0}.form-card{background:#fff;max-width:600px;margin:0 auto;padding:40px;border-radius:20px;box-shadow:var(--shadow-xl)}.form-card h1{font-size:2rem;text-align:center;margin-bottom:10px}.form-card>p{text-align:center;margin-bottom:30px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:600;color:var(--secondary-color)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px;border:1px solid #E2E8F0;border-radius:8px;font-size:1rem;transition:border-color .2s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color)}.footer{background:var(--secondary-color);color:#94a3b8;padding:80px 0 30px}.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px;margin-bottom:60px}.footer-brand h2{color:var(--white);margin-bottom:20px}.footer-links,.footer-contact{display:flex;flex-direction:column;gap:15px}.footer h3{color:var(--white);font-size:1.2rem;margin-bottom:10px}.footer a{color:#94a3b8;text-decoration:none;transition:color .2s}.footer a:hover{color:var(--white)}.social-links{display:flex;gap:15px;margin-top:10px}.social-links a{font-size:1.5rem}.copyright{text-align:center;padding-top:30px;border-top:1px solid #334155;font-size:.9rem}@media(max-width:968px){.hero-container{grid-template-columns:1fr;text-align:center}.hero-btns,.trust-badges{justify-content:center}.image-wrapper{max-width:600px;margin:0 auto}.pricing-card.popular{transform:scale(1)}.pricing-card.popular:hover{transform:translateY(-10px)}.footer-content{grid-template-columns:1fr;gap:40px}}@media(max-width:768px){h1{font-size:2.5rem}.nav-links{display:none}.mobile-menu-btn{display:block}}.testimonials{padding:100px 0;background:#f8fafc}.testimonials-container{display:grid;grid-template-columns:1fr 400px;gap:40px;max-width:1400px;margin:0 auto}.testimonials-list{display:flex;flex-direction:column;gap:20px}.load-more-btn{margin-top:10px;display:flex;align-items:center;justify-content:center;gap:8px}.load-more-btn i{font-size:.9rem;transition:transform .3s ease}.load-more-btn:hover i{transform:translateY(3px)}.testimonial-card{background:var(--white);padding:24px;border-radius:12px;box-shadow:var(--shadow-sm);transition:all .3s ease;border:1px solid #E2E8F0}.testimonial-card:hover{box-shadow:var(--shadow-md);border-color:#cbd5e1}.testimonial-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}.testimonial-card .avatar{width:45px;height:45px;border-radius:50%;background:linear-gradient(135deg,#06f,#60a5fa);display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0}.user-info{flex:1}.user-name-row{display:flex;align-items:center;gap:8px;margin-bottom:2px}.user-info h4{font-size:1rem;margin:0;color:var(--secondary-color)}.user-info .role{font-size:.85rem;color:var(--light-text);margin:0}.user-name-row .plan-badge{display:inline-flex;align-items:center;gap:4px;background:#eff6ff;color:var(--primary-color);padding:3px 8px;border-radius:10px;font-size:.7rem;font-weight:600}.user-name-row .plan-badge i{font-size:.65rem}.testimonial-card .rating{margin-bottom:12px;display:flex;align-items:center;gap:4px}.testimonial-card .rating i{color:#f59e0b;font-size:.85rem}.review-date{font-size:.75rem;color:var(--light-text);margin-left:auto}.testimonial-content{color:var(--text-color);font-size:.95rem;line-height:1.6;margin-bottom:0}.admin-reply{margin-top:12px;padding:12px;background:#f0f9ff;border-left:3px solid var(--primary-color);border-radius:6px}.admin-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}.admin-avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#06f,#60a5fa);display:flex;align-items:center;justify-content:center;font-size:.9rem}.admin-info{display:flex;align-items:center;gap:6px}.admin-info strong{font-size:.85rem;color:var(--secondary-color)}.admin-badge{background:var(--primary-color);color:#fff;padding:2px 6px;border-radius:8px;font-size:.65rem;font-weight:600}.admin-content{font-size:.9rem;color:var(--text-color);line-height:1.5;margin:0}.review-form-sidebar{position:sticky;top:100px;height:fit-content}.review-form-card{background:var(--white);padding:24px;border-radius:16px;box-shadow:var(--shadow-lg);border:2px solid #E2E8F0}.review-form-card h3{font-size:1.3rem;margin-bottom:5px;color:var(--secondary-color);text-align:center}.review-form-card .form-subtitle{text-align:center;color:var(--light-text);margin-bottom:20px;font-size:.9rem}.review-form-card .form-group{margin-bottom:16px}.review-form-card label{display:block;margin-bottom:6px;font-weight:600;color:var(--secondary-color);font-size:.9rem}.review-form-card input,.review-form-card textarea{width:100%;padding:10px 12px;border:2px solid #E2E8F0;border-radius:8px;font-size:.95rem;transition:all .2s;font-family:Inter,sans-serif}.review-form-card input:focus,.review-form-card textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #0066ff1a}.review-form-card .star-rating{display:flex;gap:6px;justify-content:center}.review-form-card .star-rating i{font-size:1.5rem;color:#e2e8f0;cursor:pointer;transition:all .2s}.review-form-card .star-rating i.active{color:#f59e0b}.review-form-card .star-rating i:hover{transform:scale(1.1)}@media(max-width:968px){.testimonials-container{grid-template-columns:1fr}.review-form-sidebar{position:static}}.source-card{background:#fff;border-radius:24px;padding:60px;box-shadow:var(--shadow-xl);max-width:900px;margin:0 auto}.source-header{text-align:center;margin-bottom:50px}.tech-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:20px;margin-top:20px}.tech-item{background:#f1f5f9;padding:15px;border-radius:12px;text-align:center;font-weight:600;color:var(--secondary-color)}.tech-item i{display:block;font-size:2rem;margin-bottom:10px;color:var(--primary-color)}.source-features{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:50px}.modules-list ul{list-style:none;margin-top:20px}.modules-list li{margin-bottom:15px;display:flex;align-items:center;gap:10px}.modules-list li i{color:#10b981}.price-action{background:#f8fafc;padding:30px;border-radius:16px;text-align:center;border:1px solid #E2E8F0}.price-tag{margin-bottom:20px}.price-tag .label{display:block;color:var(--light-text);margin-bottom:5px}.price-tag .amount{font-size:2.5rem;font-weight:800;color:var(--primary-color)}.note{font-size:.9rem;margin-top:15px;font-style:italic}@media(max-width:768px){.source-card{padding:30px}.source-features{grid-template-columns:1fr}}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:10000;animation:fadeIn .2s ease}.modal-content{background:#fff;padding:40px;border-radius:20px;max-width:500px;width:90%;position:relative;animation:slideUp .3s ease}.modal-close{position:absolute;top:15px;right:15px;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--light-text);transition:color .2s}.modal-close:hover{color:var(--secondary-color)}.modal-content h2{margin-bottom:10px}.modal-content p{margin-bottom:20px}.modal-content input{width:100%;padding:12px;border:1px solid #E2E8F0;border-radius:8px;font-size:1rem;margin-bottom:20px}.modal-content input:focus{outline:none;border-color:var(--primary-color)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.payment-result-page{min-height:100vh;background:#f8fafc}.result-card{background:#fff;padding:60px 40px;border-radius:24px;box-shadow:var(--shadow-xl);max-width:600px;margin:0 auto}.icon-circle{width:100px;height:100px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 30px;font-size:3rem}.icon-circle.success{background:#d1fae5;color:#10b981}.icon-circle.cancel{background:#fee2e2;color:#ef4444}.result-card h1{font-size:2rem;margin-bottom:15px}.order-info{background:#f8fafc;padding:20px;border-radius:12px;margin:30px 0}.order-info p{margin:5px 0;color:var(--text-color)}.next-steps{text-align:left;margin:30px 0}.next-steps h3{font-size:1.2rem;margin-bottom:15px}.next-steps ul{list-style:none;padding:0}.next-steps li{padding:10px 0;color:var(--text-color)}.help-text{margin:20px 0}.action-buttons{display:flex;gap:15px;justify-content:center;margin-top:30px}@media(max-width:768px){.action-buttons{flex-direction:column}.result-card{padding:40px 20px}}