.contact-hero{background:linear-gradient(135deg,rgba(13,110,253,0.8),rgba(13,202,240,0.8)),none no-repeat center center;background-size:cover;padding:7rem 0;color:white;text-align:center;margin-bottom:3rem}.contact-card{background:#fff;border-radius:10px;padding:2rem;text-align:center;transition:all 0.3s ease;position:relative;top:0;border:1px solid rgba(0,0,0,0.05);opacity:0;transform:translateY(20px)}.contact-card.animated,.social-contact-card.animated,.contact-form-wrapper.animated{opacity:1;transform:translateY(0)}.contact-card:hover{box-shadow:0 10px 30px rgba(0,0,0,0.1);top:-10px}.contact-card .card-icon{width:80px;height:80px;background-color:rgba(13,110,253,0.1);display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:2rem;color:#0d6efd;margin:0 auto 1.5rem;transition:all 0.3s ease}.contact-card:hover .card-icon{background-color:#0d6efd;color:white}.contact-card h3{margin-bottom:1rem;font-size:1.5rem}.contact-card p{margin-bottom:1.5rem;color:#6c757d}.social-contact-card{background:#fff;border-radius:10px;padding:1.5rem;position:relative;transition:all 0.3s ease;height:100%;border:1px solid rgba(0,0,0,0.05);opacity:0;transform:translateY(20px);transition-delay:calc(var(--i,0) * 0.1s)}.social-contact-card:hover{box-shadow:0 10px 30px rgba(0,0,0,0.1)}.social-contact-card .icon-box{width:50px;height:50px;display:flex;align-items:center;justify-content:center;border-radius:10px;font-size:1.5rem;margin-bottom:1rem}.social-contact-card .icon-box.facebook{background-color:rgba(24,119,242,0.1);color:#1877f2}.social-contact-card .icon-box.zalo{background-color:rgba(0,132,255,0.1)}.social-contact-card .icon-box.ai-assistant{background-color:rgba(118,53,235,0.1);color:#7635eb}.social-contact-card .icon-box.office-hours{background-color:rgba(25,135,84,0.1);color:#198754}.social-contact-card h4{font-size:1.2rem;margin-bottom:0.5rem}.social-contact-card p{font-size:0.9rem;color:#6c757d;margin-bottom:0.5rem}.contact-form-wrapper{background:#fff;border-radius:10px;padding:2rem;border:1px solid rgba(0,0,0,0.05);opacity:0;transform:translateY(20px)}.form-floating>label{padding-left:1.25rem}.map-container{overflow:hidden}.accordion-button:not(.collapsed){color:#0d6efd;background-color:rgba(13,110,253,0.05)}.accordion-button:focus{box-shadow:0 0 0 0.25rem rgba(13,110,253,0.25)}.ai-assistant-chat{min-height:300px;display:flex;flex-direction:column}.chat-messages{flex:1;overflow-y:auto;margin-bottom:1rem}.message{display:flex;margin-bottom:1rem}.message-avatar{width:40px;height:40px;border-radius:50%;overflow:hidden;margin-right:10px}.message-avatar img{width:100%;height:100%;object-fit:cover}.message-content{background:#f8f9fa;border-radius:1rem;padding:1rem;max-width:80%}.message-content p:last-child{margin-bottom:0}.message.bot .message-content{background-color:rgba(13,110,253,0.1)}.chat-input{position:relative;display:flex;margin-bottom:1rem}.chat-input textarea{flex:1;border-radius:1.5rem;padding:0.75rem 1.5rem;border:1px solid #ced4da;resize:none;outline:none;transition:border-color 0.15s ease-in-out,box-shadow 0.15s ease-in-out}.chat-input textarea:focus{border-color:#86b7fe;box-shadow:0 0 0 0.25rem rgba(13,110,253,0.25)}.chat-input .send-btn{position:absolute;right:0.5rem;top:50%;transform:translateY(-50%);height:2.5rem;width:2.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;padding:0}.ai-coming-soon{margin-top:1rem}.contact-card:nth-child(1){transition-delay:0.1s}.contact-card:nth-child(2){transition-delay:0.2s}.contact-card:nth-child(3){transition-delay:0.3s}@@media (max-width:768px){.contact-hero{padding:5rem 0}.contact-card,.social-contact-card,.contact-form-wrapper{padding:1.5rem}}