:root {
            --primary: #2c3e50;
            --secondary: #e74c3c;
            --light: #ecf0f1;
            --dark: #34495e;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f8f9fa;
        }
        
        .top-bar {
            background-color: var(--primary);
            color: white;
            padding: 8px 0;
            font-size: 14px;
        }
        
        .navbar-brand img {
            height: 40px;
        }
        
        .banner-area {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('images/krc_bg.jpg');
            background-size: cover;
            color: white;
            padding: 100px 0;
            text-align: center;
            background-repeat: no-repeat;
        }
        
        .ticket-card {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            margin-bottom: 30px;
            transition: transform 0.3s;
        }
        
        .ticket-card:hover {
            transform: translateY(-5px);
        }
        
        .ticket-header {
            background-color: var(--primary);
            color: white;
            padding: 15px;
        }
        
        .ticket-body {
            padding: 20px;
            background-color: white;
        }
        
        .price {
            font-size: 28px;
            font-weight: bold;
            color: var(--secondary);
        }
        
        .btn-purchase {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 10px 25px;
            border-radius: 5px;
            font-weight: bold;
        }
        
        .btn-purchase:hover {
            background-color: #c0392b;
            color: white;
        }

        .btn-purchase.active {
            background-color: #27ae60;
        }
        
        .event-info-card {
            background-color: white;
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            margin-bottom: 30px;
        }
        
        footer {
            background-color: var(--dark);
            color: white;
            padding: 40px 0;
        }
        
        .social-icons a {
            color: white;
            margin-right: 15px;
            font-size: 20px;
        }

        .registration-form {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            position: sticky;
            top: 20px;
        }

        .registration-form h3 {
            color: var(--primary);
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 10px;
        }

        .form-label {
            font-weight: 600;
            color: var(--dark);
        }

        .is-invalid {
            border-color: #dc3545 !important;
        }

        .invalid-feedback {
            color: #dc3545;
            font-size: 0.875em;
        }

        .features-list {
            list-style-type: none;
            padding-left: 0;
        }

        .features-list li {
            padding: 5px 0;
        }

        .features-list i {
            margin-right: 8px;
        }

        @media (max-width: 768px) {
            .registration-form {
                position: static;
                margin-top: 30px;
            }
        }