*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Arial',sans-serif;line-height:1.6;color:#333}.container{max-width:1200px;margin:0 auto;padding:0 20px}.navbar{background:#fff;box-shadow:0 2px 10px rgba(0,0,0,0.1);position:fixed;top:0;width:100%;z-index:1000}.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center;height:70px}.nav-logo h2{color:#2c3e50;font-size:1.8rem}.nav-menu{display:flex;list-style:none;gap:30px}.nav-menu a{text-decoration:none;color:#333;font-weight:500;transition:color 0.3s}.nav-menu a:hover{color:#3498db}.hamburger{display:none;flex-direction:column;cursor:pointer}.hamburger span{width:25px;height:3px;background:#333;margin:3px 0;transition:0.3s}.hero{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;color:white}.hero-content h1{font-size:3.5rem;margin-bottom:20px;animation:fadeInUp 1s ease}.hero-content p{font-size:1.3rem;margin-bottom:30px;animation:fadeInUp 1s ease 0.2s both}.cta-button{background:#e74c3c;color:white;padding:15px 30px;border:none;border-radius:50px;font-size:1.1rem;cursor:pointer;transition:transform 0.3s,box-shadow 0.3s;animation:fadeInUp 1s ease 0.4s both;text-decoration:none}.cta-button:hover{transform:translateY(-3px);box-shadow:0 10px 25px rgba(231,76,60,0.3)}.products{padding:100px 0;background:#f8f9fa}.products h2{text-align:center;font-size:2.5rem;margin-bottom:60px;color:#2c3e50}.products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}.product-card{background:white;padding:40px 30px;border-radius:15px;text-align:center;box-shadow:0 10px 30px rgba(0,0,0,0.1);transition:transform 0.3s,box-shadow 0.3s}.product-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px rgba(0,0,0,0.15)}.product-icon{font-size:3rem;color:#3498db;margin-bottom:20px}.product-card h3{font-size:1.5rem;margin-bottom:15px;color:#2c3e50}.product-card p{color:#666;margin-bottom:20px;line-height:1.6}.price{font-size:1.8rem;font-weight:bold;color:#e74c3c;margin-bottom:20px}.buy-btn{background:#3498db;color:white;padding:12px 25px;border:none;border-radius:25px;cursor:pointer;transition:background 0.3s;font-size:1rem}.buy-btn:hover{background:#2980b9}.about{padding:100px 0;background:white}.about h2{text-align:center;font-size:2.5rem;margin-bottom:60px;color:#2c3e50}.about-content{display:grid;grid-template-columns:2fr 1fr;gap:60px;align-items:center}.about-text p{font-size:1.1rem;line-height:1.8;margin-bottom:20px;color:#666}.about-stats{display:flex;flex-direction:column;gap:30px}.stat{text-align:center;padding:20px;background:#f8f9fa;border-radius:10px}.stat h3{font-size:2.5rem;color:#3498db;margin-bottom:10px}.stat p{color:#666;font-size:1.1rem}.contact{padding:100px 0;background:#2c3e50;color:white}.contact h2{text-align:center;font-size:2.5rem;margin-bottom:60px}.contact-content{max-width:600px;margin:0 auto}.contact-item{display:flex;align-items:center;gap:20px;margin-bottom:30px;font-size:1.2rem}.contact-item i{font-size:1.5rem;color:#3498db;width:30px}.modal{display:none;position:fixed;z-index:2000;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,0.5)}.modal-content{background-color:white;margin:10% auto;padding:40px;border-radius:15px;width:90%;max-width:400px;position:relative}.close{position:absolute;right:20px;top:15px;font-size:28px;font-weight:bold;cursor:pointer;color:#999}.close:hover{color:#333}.modal-content h2{margin-bottom:30px;text-align:center;color:#2c3e50}.modal-content input{width:100%;padding:15px;margin-bottom:20px;border:1px solid #ddd;border-radius:8px;font-size:1rem}.modal-content button{width:100%;padding:15px;background:#3498db;color:white;border:none;border-radius:8px;font-size:1rem;cursor:pointer;transition:background 0.3s}.modal-content button:hover{background:#2980b9}.modal-content p{text-align:center;margin-top:20px}.modal-content a{color:#3498db;text-decoration:none}.captcha-container{display:flex;gap:10px;margin-bottom:20px}.captcha-container input{flex:1;margin-bottom:0}.captcha-container img{width:100px;height:40px;border:1px solid #ddd;border-radius:4px;cursor:pointer;background:#f5f5f5;display:flex;align-items:center;justify-content:center}.captcha-container img:hover{border-color:#3498db}.chat-button{position:fixed;bottom:30px;right:30px;width:60px;height:60px;background:#3498db;color:white;border:none;border-radius:50%;font-size:1.5rem;cursor:pointer;box-shadow:0 4px 15px rgba(52,152,219,0.3);transition:transform 0.3s;z-index:1500}.chat-button:hover{transform:scale(1.1)}.chat-widget{position:fixed;bottom:100px;right:30px;width:350px;height:450px;background:white;border-radius:15px;box-shadow:0 10px 30px rgba(0,0,0,0.2);display:none;flex-direction:column;z-index:1500}.chat-header{background:#3498db;color:white;padding:15px 20px;border-radius:15px 15px 0 0;display:flex;justify-content:space-between;align-items:center}.chat-header button{background:none;border:none;color:white;font-size:1.2rem;cursor:pointer}.chat-body{flex:1;display:flex;flex-direction:column}.chat-messages{flex:1;padding:20px;overflow-y:auto;max-height:300px}.message{margin-bottom:15px;padding:10px 15px;border-radius:15px;max-width:80%}.bot-message{background:#f1f3f4;align-self:flex-start}.user-message{background:#3498db;color:white;align-self:flex-end;margin-left:auto}.chat-input{padding:20px;border-top:1px solid #eee;display:flex;gap:10px}.chat-input input{flex:1;padding:10px 15px;border:1px solid #ddd;border-radius:20px;outline:none}.chat-input button{background:#3498db;color:white;border:none;border-radius:50%;width:40px;height:40px;cursor:pointer;transition:background 0.3s}.chat-input button:hover{background:#2980b9}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@media (max-width:768px){.hamburger{display:flex}.nav-menu{position:fixed;left:-100%;top:70px;flex-direction:column;background-color:white;width:100%;text-align:center;transition:0.3s;box-shadow:0 10px 27px rgba(0,0,0,0.05);padding:20px 0}.nav-menu.active{left:0}.hero-content h1{font-size:2.5rem}.hero-content p{font-size:1.1rem}.products-grid{grid-template-columns:1fr}.about-content{grid-template-columns:1fr;gap:40px}.about-stats{flex-direction:row;justify-content:space-around}.chat-widget{width:90%;right:5%;left:5%}.modal-content{width:95%;margin:20% auto;padding:30px 20px}}@media (max-width:480px){.hero-content h1{font-size:2rem}.products h2,.about h2,.contact h2{font-size:2rem}.product-card{padding:30px 20px}.about-stats{flex-direction:column;gap:20px}.stat{padding:15px}.stat h3{font-size:2rem}.chat-button{width:50px;height:50px;bottom:20px;right:20px}.chat-widget{bottom:80px;height:400px}}