.header-effect-shrink {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.custom-btn-style-1 {
    background: #2c3e50;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.custom-btn-style-1:hover {
    background: #34495e;
    transform: translateY(-2px);
}

.nav-link {
    color: #2c3e50 !important;
    font-weight: 500;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: #e67e22 !important;
}

.booking-modal {
    background: rgba(0,0,0,0.8);
}

.booking-form {
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    max-width: 500px;
    margin: 50px auto;
    padding: 40px;
}

.form-control {
    border: 2px solid #ecf0f1;
    border-radius: 8px;
    padding: 12px 15px;
    margin-bottom: 20px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    border-color: #e67e22;
    box-shadow: 0 0 0 0.2rem rgba(230, 126, 34, 0.25);
}

.btn-book {
    background: linear-gradient(135deg, #e67e22, #f39c12);
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    color: white;
    font-weight: 600;
    width: 100%;
    transition: all 0.3s ease;
}

.btn-book:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(230, 126, 34, 0.3);
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 24px;
    color: #7f8c8d;
    cursor: pointer;
}

.success-message {
    background: linear-gradient(135deg, #27ae60, #2ecc71);
    color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 20px;
}

.demo-notice {
    background: #f8f9fa;
    border: 2px dashed #dee2e6;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    color: #6c757d;
}

.error-message {
    color: #dc3545;
    font-size: 14px;
    margin-top: -15px;
    margin-bottom: 15px;
    display: none;
}

.form-control.error {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.validation-summary {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
}