:root {
            --primary-navy: #0f172a;
            --accent-blue: #0284c7;
            --accent-cyan: #06b6d4;
        }
        body {
            background-color: #f8fafc;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: #334155;
        }
        .contact-header {
            background: linear-gradient(135deg, var(--primary-navy), #1e293b);
            color: white;
            padding: 60px 0;
            margin-bottom: 40px;
            text-align: center;
        }
        .card-custom {
            border: none;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            background: #ffffff;
        }
        .card-header-custom {
            background-color: var(--primary-navy);
            color: white;
            border-top-left-radius: 12px !important;
            border-top-right-radius: 12px !important;
            padding: 20px;
        }
        .form-control:focus, .form-select:focus {
            border-color: var(--accent-blue);
            box-shadow: 0 0 0 0.25rem rgba(2, 132, 199, 0.15);
        }
        .btn-accent {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            color: white;
            padding: 12px 25px;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.3s ease;
        }
        .btn-accent:hover {
            opacity: 0.9;
            transform: translateY(-1px);
            color: white;
        }
        .contact-info-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 25px;
        }
        .contact-icon {
            font-size: 20px;
            color: var(--accent-blue);
            background: #e0f2fe;
            padding: 12px;
            border-radius: 50%;
            margin-right: 15px;
        }