.navbar{z-index:1000;-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-light);transition:var(--transition);background:#ffffffd9;position:fixed;top:0;left:0;right:0}.navbar.scrolled{box-shadow:var(--shadow-sm)}.nav-container{justify-content:space-between;align-items:center;height:72px;display:flex}.nav-logo{flex-wrap:wrap;align-items:center;gap:10px;text-decoration:none;display:flex}.nav-logo .logo-sub{width:100%;margin-top:-6px;margin-left:50px}.nav-links{align-items:center;gap:8px;display:flex}.nav-link{color:var(--text-secondary);border-radius:var(--radius-sm);transition:var(--transition);padding:8px 16px;font-size:.9rem;font-weight:500}.nav-link:hover,.nav-link.active{color:var(--primary);background:var(--primary-light)}.hamburger{cursor:pointer;background:0 0;border:none;flex-direction:column;gap:5px;padding:8px;display:none}.hamburger span{background:var(--text-primary);width:24px;height:2.5px;transition:var(--transition);border-radius:2px}.hamburger.active span:first-child{transform:rotate(45deg)translate(5px,5px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:rotate(-45deg)translate(6px,-6px)}.hero{background:linear-gradient(180deg, var(--bg) 0%, #eef2ff 100%);padding:140px 0 80px;position:relative;overflow:hidden}.hero .container{text-align:center;z-index:1;flex-direction:column;align-items:center;display:flex;position:relative}.hero-badge{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-full);color:var(--text-secondary);box-shadow:var(--shadow-sm);align-items:center;gap:8px;margin-bottom:28px;padding:8px 20px;font-size:.85rem;font-weight:500;animation:.6s fadeInUp;display:inline-flex}.badge-icon{font-size:1.1rem}.hero-title{opacity:0;max-width:800px;margin-bottom:20px;font-size:3.2rem;font-weight:800;line-height:1.15;animation:.6s .1s forwards fadeInUp}.hero-subtitle{color:var(--text-secondary);opacity:0;max-width:600px;margin-bottom:36px;font-size:1.2rem;line-height:1.7;animation:.6s .2s forwards fadeInUp}.hero-actions{opacity:0;gap:16px;margin-bottom:64px;animation:.6s .3s forwards fadeInUp;display:flex}.hero-stats{opacity:0;gap:24px;animation:.6s .4s forwards fadeInUp;display:flex}.stat-card{border-radius:var(--radius-lg);text-align:center;min-width:180px;padding:24px 32px;animation:4s ease-in-out infinite float;position:relative;overflow:hidden}.stat-card:before{content:"";border-radius:var(--radius-lg);z-index:-1;position:absolute;inset:0}.stat-card-1{background:linear-gradient(135deg, var(--primary), #818cf8);color:#fff;animation-delay:0s}.stat-card-2{color:#fff;background:linear-gradient(135deg,#6366f1,#8b5cf6);animation-delay:.5s}.stat-card-3{color:#fff;background:linear-gradient(135deg,#10b981,#059669);animation-delay:1s}.stat-icon{margin-bottom:8px;font-size:1.5rem}.stat-number{margin-bottom:4px;font-size:1.8rem;font-weight:800}.stat-label{opacity:.9;font-size:.85rem;font-weight:500}.hero-bg-glow{pointer-events:none;background:radial-gradient(circle,#ff7a0014,#0000 70%);border-radius:50%;width:600px;height:600px;position:absolute;top:-200px;right:-200px}.trust-signals{background:var(--bg-white);border-bottom:1px solid var(--border-light);padding:24px 0}.trust-items{flex-wrap:wrap;justify-content:center;gap:40px;display:flex}.trust-item{color:var(--text-secondary);align-items:center;gap:8px;font-size:.9rem;font-weight:500;display:flex}.features{padding:var(--section-padding);background:var(--bg-white)}.features-grid{grid-template-columns:repeat(3,1fr);gap:28px;display:grid}.feature-card{border-radius:var(--radius-lg);background:var(--bg);border:1px solid var(--border-light);transition:var(--transition);padding:36px 28px;position:relative;overflow:hidden}.feature-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary-light);transform:translateY(-6px)}.feature-card:after{content:"";background:linear-gradient(90deg, var(--primary), #818cf8);opacity:0;height:3px;transition:var(--transition);position:absolute;bottom:0;left:0;right:0}.feature-card:hover:after{opacity:1}.feature-icon{border-radius:var(--radius-md);justify-content:center;align-items:center;width:56px;height:56px;margin-bottom:20px;display:flex}.feature-icon-1{background:var(--primary-light);color:var(--primary)}.feature-icon-2{color:#6366f1;background:#eef2ff}.feature-icon-3{color:#10b981;background:#ecfdf5}.feature-title{margin-bottom:12px;font-size:1.2rem;font-weight:700}.feature-desc{color:var(--text-secondary);margin-bottom:16px;font-size:.95rem;line-height:1.7}.feature-highlight{background:var(--primary-light);color:var(--primary);border-radius:var(--radius-full);padding:4px 12px;font-size:.8rem;font-weight:600;display:inline-block}.how-it-works{padding:var(--section-padding);background:var(--bg)}.steps-grid{justify-content:center;align-items:center;gap:16px;display:flex}.step-card{text-align:center;background:var(--bg-white);border-radius:var(--radius-lg);border:1px solid var(--border-light);max-width:320px;transition:var(--transition);flex:1;padding:40px 28px;position:relative}.step-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}.step-number{background:linear-gradient(135deg, var(--primary), #818cf8);color:#fff;width:36px;height:36px;box-shadow:var(--shadow-glow);border-radius:50%;justify-content:center;align-items:center;font-size:.95rem;font-weight:800;display:flex;position:absolute;top:-16px;left:50%;transform:translate(-50%)}.step-icon{background:var(--primary-light);border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin:24px auto 20px;display:flex}.step-title{margin-bottom:12px;font-size:1.1rem;font-weight:700}.step-desc{color:var(--text-secondary);font-size:.9rem;line-height:1.6}.step-connector{color:var(--primary);opacity:.5;align-items:center;display:flex}.comparison{padding:var(--section-padding);background:var(--bg-white)}.comparison-table{grid-template-columns:1fr 1fr;gap:24px;max-width:800px;margin:0 auto;display:grid}.comparison-col{border-radius:var(--radius-lg);padding:32px}.comparison-other{background:#fef2f2;border:1px solid #fee2e2}.comparison-us{background:#ecfdf5;border:2px solid #a7f3d0;position:relative}.comparison-us:before{content:"⭐ Khuyên dùng";background:linear-gradient(135deg, var(--primary), #818cf8);color:#fff;border-radius:var(--radius-full);padding:4px 14px;font-size:.75rem;font-weight:600;position:absolute;top:-12px;right:20px}.comparison-header{border-bottom:1px solid #00000014;align-items:center;gap:10px;margin-bottom:24px;padding-bottom:16px;display:flex}.comparison-logo{border-radius:6px;width:28px;height:28px}.comparison-label{font-size:1.1rem;font-weight:700}.comparison-list{flex-direction:column;gap:14px;display:flex}.comparison-item{align-items:center;gap:10px;font-size:.9rem;font-weight:500;display:flex}.comparison-item.negative{color:#991b1b}.comparison-item.positive{color:#065f46}.tiers{padding:var(--section-padding);background:linear-gradient(180deg, var(--bg) 0%, #fff7ed 100%)}.tiers-grid{grid-template-columns:repeat(3,1fr);gap:24px;max-width:960px;margin:0 auto;display:grid}.tier-card{border-radius:var(--radius-lg);background:var(--bg-white);border:1px solid var(--border);text-align:center;transition:var(--transition);padding:36px 28px;position:relative}.tier-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}.tier-card.featured{border:2px solid var(--primary);box-shadow:var(--shadow-glow);transform:scale(1.05)}.tier-card.featured:hover{transform:scale(1.05)translateY(-6px)}.tier-popular{background:linear-gradient(135deg, var(--primary), #818cf8);color:#fff;border-radius:var(--radius-full);white-space:nowrap;padding:4px 16px;font-size:.75rem;font-weight:600;position:absolute;top:-12px;left:50%;transform:translate(-50%)}.tier-badge{margin-bottom:12px;font-size:2.5rem}.tier-name{margin-bottom:16px;font-size:1.2rem;font-weight:700}.tier-rate{color:var(--primary);margin-bottom:8px;font-size:3rem;font-weight:800;line-height:1}.tier-rate-sale{color:var(--success);margin-bottom:16px;font-size:.85rem;font-weight:600}.tier-condition{color:var(--text-secondary);border-bottom:1px solid var(--border-light);margin-bottom:24px;padding-bottom:24px;font-size:.85rem}.tier-benefits{text-align:left;flex-direction:column;gap:12px;display:flex}.tier-benefits li{color:var(--text-secondary);align-items:center;gap:8px;font-size:.9rem;display:flex}.tier-benefits li:before{content:"✓";color:var(--success);font-weight:700}.tiers-note{text-align:center;color:var(--text-secondary);background:var(--bg-white);border-radius:var(--radius-md);border:1px solid var(--border-light);max-width:600px;margin-top:40px;margin-left:auto;margin-right:auto;padding:16px 24px;font-size:.9rem}.faq{padding:var(--section-padding);background:var(--bg-white)}.faq-list{flex-direction:column;gap:12px;max-width:720px;margin:0 auto;display:flex}.faq-item{border:1px solid var(--border-light);border-radius:var(--radius-md);transition:var(--transition);overflow:hidden}.faq-item:hover{border-color:var(--primary-light)}.faq-item.active{border-color:var(--primary);box-shadow:var(--shadow-glow)}.faq-question{width:100%;font-family:var(--font);color:var(--text-primary);cursor:pointer;text-align:left;transition:var(--transition);background:0 0;border:none;justify-content:space-between;align-items:center;padding:20px 24px;font-size:1rem;font-weight:600;display:flex}.faq-question:hover{color:var(--primary)}.faq-chevron{color:var(--text-muted);flex-shrink:0;transition:transform .3s}.faq-item.active .faq-chevron{color:var(--primary);transform:rotate(180deg)}.faq-answer{max-height:0;transition:max-height .3s,padding .3s;overflow:hidden}.faq-item.active .faq-answer{max-height:200px}.faq-answer p{color:var(--text-secondary);padding:0 24px 20px;font-size:.95rem;line-height:1.7}.cta-section{background:var(--bg);padding:80px 0}.cta-card{text-align:center;background:linear-gradient(135deg, var(--primary), #818cf8);border-radius:var(--radius-xl);color:#fff;padding:64px 40px;position:relative;overflow:hidden}.cta-card:before{content:"";background:#ffffff1a;border-radius:50%;width:400px;height:400px;position:absolute;top:-50%;right:-20%}.cta-card:after{content:"";background:#ffffff14;border-radius:50%;width:300px;height:300px;position:absolute;bottom:-30%;left:-10%}.cta-title{z-index:1;margin-bottom:16px;font-size:2rem;font-weight:800;position:relative}.cta-desc{opacity:.9;z-index:1;max-width:500px;margin-bottom:32px;margin-left:auto;margin-right:auto;font-size:1.1rem;position:relative}.cta-section .btn-primary{color:var(--primary);z-index:1;background:#fff;position:relative;box-shadow:0 4px 20px #00000026}.cta-section .btn-primary:hover{box-shadow:0 6px 30px #0003}.footer{background:var(--bg-dark);color:var(--text-inverse);padding:64px 0 0}.footer-grid{border-bottom:1px solid #ffffff1a;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;display:grid}.footer-logo{align-items:center;gap:10px;margin-bottom:16px;display:flex}.footer-logo .logo-text{color:#fff}.footer-desc{color:#fff9;margin-bottom:20px;font-size:.9rem;line-height:1.7}.footer-socials{gap:12px;display:flex}.social-link{color:#ffffffb3;width:40px;height:40px;transition:var(--transition);background:#ffffff1a;border-radius:50%;justify-content:center;align-items:center;display:flex}.social-link:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}.footer-heading{color:#fff;margin-bottom:20px;font-size:.95rem;font-weight:700}.footer-links-list{flex-direction:column;gap:12px;display:flex}.footer-links-list a,.footer-links-list span{color:#fff9;transition:var(--transition);font-size:.9rem}.footer-links-list a:hover{color:var(--primary)}.footer-bottom{text-align:center;color:#fff6;padding:24px 0;font-size:.85rem}@media (width<=1024px){.features-grid,.tiers-grid,.footer-grid{grid-template-columns:repeat(2,1fr)}.hero-title{font-size:2.5rem}}@media (width<=768px){.hamburger{display:flex}.nav-links{box-shadow:var(--shadow-lg);border-bottom:1px solid var(--border-light);background:#fff;flex-direction:column;gap:4px;padding:20px;display:none;position:absolute;top:72px;left:0;right:0}.nav-links.active{display:flex}.btn-nav{justify-content:center;width:100%;margin-top:8px}.hero{padding:120px 0 60px}.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.hero-actions{flex-direction:column;width:100%;max-width:320px}.hero-stats{flex-direction:column;gap:16px;width:100%;max-width:320px}.stat-card{min-width:auto}.trust-items{justify-content:center;gap:20px}.features-grid{grid-template-columns:1fr}.steps-grid{flex-direction:column;gap:32px}.step-connector{transform:rotate(90deg)}.step-card{max-width:100%}.comparison-table{grid-template-columns:1fr}.tiers-grid{grid-template-columns:1fr;max-width:380px}.tier-card.featured{transform:none}.tier-card.featured:hover{transform:translateY(-6px)}.cta-card{padding:48px 24px}.cta-title{font-size:1.6rem}.footer-grid{text-align:center;grid-template-columns:1fr}.footer-socials{justify-content:center}}