* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            color: #333;
            padding-top: 80px;
            background: #f8fafc;
        }
        
        .navbar {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
            padding: 1rem 0;
        }
        
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: #6366f1 !important;
        }
        
        .navbar-nav .nav-link {
            color: #64748b !important;
            font-weight: 600;
            margin: 0 0.5rem;
            transition: color 0.3s ease;
        }

        .navbar-nav .nav-link:hover {
            color: #6366f1 !important;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, #6366f1, #8b5cf6);
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
        }
        
        .hero-section {
            background: linear-gradient(135deg, #6366f1, #8b5cf6);
            color: white;
            padding: 4rem 0;
            text-align: center;
        }
        
        .booking-section {
            padding: 4rem 0;
        }
        
        .booking-card {
            background: white;
            border-radius: 20px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            margin-bottom: 2rem;
        }
        
        .step-indicator {
            display: flex;
            justify-content: center;
            margin-bottom: 3rem;
        }
        
        .step {
            display: flex;
            align-items: center;
            margin: 0 1rem;
        }
        
        .step-number {
            width: 40px;
            height: 40px;
            background: #e5e7eb;
            color: #6b7280;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            margin-right: 0.5rem;
        }
        
        .step.active .step-number {
            background: #6366f1;
            color: white;
        }
        
        .step.completed .step-number {
            background: #10b981;
            color: white;
        }
        
        .step-line {
            width: 50px;
            height: 2px;
            background: #e5e7eb;
            margin: 0 1rem;
        }
        
        .step.completed + .step-line {
            background: #10b981;
        }
        
        .form-section {
            display: none;
        }
        
        .form-section.active {
            display: block;
        }
        
        .form-control {
            border: 2px solid #e5e7eb;
            border-radius: 10px;
            padding: 0.75rem 1rem;
            transition: all 0.3s ease;
            margin-bottom: 1rem;
        }
        
        .form-control:focus {
            border-color: #6366f1;
            box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
        }
        
        .car-selection {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        
        .car-card {
            background: white;
            border: 2px solid #e5e7eb;
            border-radius: 15px;
            padding: 1.5rem;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .car-card:hover {
            border-color: #6366f1;
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(99, 102, 241, 0.15);
        }
        
        .car-card.selected {
            border-color: #6366f1;
            background: #f0f4ff;
        }
        
        .car-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 10px;
            margin-bottom: 1rem;
        }
        
        .car-price {
            font-size: 1.5rem;
            font-weight: 700;
            color: #6366f1;
            margin-bottom: 0.5rem;
        }
        
        .car-features {
            display: flex;
            justify-content: space-around;
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #6b7280;
        }
        
        .booking-summary {
            background: #f8fafc;
            border-radius: 15px;
            padding: 2rem;
            margin-top: 2rem;
        }
        
        .summary-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #e5e7eb;
        }
        
        .summary-item:last-child {
            border-bottom: none;
            font-weight: 600;
            font-size: 1.2rem;
            color: #6366f1;
        }
        
        .btn-navigation {
            display: flex;
            justify-content: space-between;
            margin-top: 2rem;
        }
        
        .btn-secondary {
            background: #6b7280;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 50px;
            color: white;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-secondary:hover {
            background: #4b5563;
            transform: translateY(-2px);
        }

        
        /* Footer */
        .footer {
            background: #1e293b;
            color: white;
            padding: 60px 0 30px;
        }

        .footer h5 {
            font-weight: 700;
            margin-bottom: 25px;
            color: white;
        }

        .footer ul {
            list-style: none;
            padding: 0;
        }

        .footer ul li {
            margin-bottom: 10px;
        }

        .footer ul li a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer ul li a:hover {
            color: white;
        }

        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #374151;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .social-links a:hover {
            background: #6366f1;
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid #374151;
            margin-top: 40px;
            padding-top: 30px;
            text-align: center;
            color: #94a3b8;
        }
        
        @media (max-width: 768px) {
            .step-indicator {
                flex-direction: column;
                align-items: center;
            }
            
            .step {
                margin: 0.5rem 0;
            }
            
            .step-line {
                display: none;
            }
            
            .car-selection {
                grid-template-columns: 1fr;
            }
            
            .btn-navigation {
                flex-direction: column;
                gap: 1rem;
            }
        }



@media (max-width: 991px) { /* applies to mobile/tablet */
  .navbar-collapse {
    max-height: 80vh; /* limit height to viewport */
    overflow-y: auto; /* allow scrolling */
  }
}