.card {
            perspective: 1000px;
            height: 320px;
        }
        .card-inner {
            position: relative;
            width: 100%;
            height: 100%;
            transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            transform-style: preserve-3d;
        }
        .card:hover .card-inner {
            transform: rotateY(180deg);
        }
        .card-front, .card-back {
            position: absolute;
            width: 100%;
            height: 100%;
            -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
            border-radius: 12px;
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }
        .card-back {
            transform: rotateY(180deg);
        }
        .flag {
            width: 60px;
            height: 40px;
            border-radius: 4px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
            object-fit: cover;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        .card-front {
            background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        .card-back {
            background: linear-gradient(135deg, #146d52 0%, #0c4231 100%);
            color: white;
            position: relative;
        }
        .card-back::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="2"/></svg>');
            opacity: 0.1;
        }
        .globe-icon {
            background: linear-gradient(135deg, #ffcf14 0%, #e6b800 100%);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
            border: 2px solid rgba(255, 255, 255, 0.2);
        }
        .globe-icon svg {
            width: 30px;
            height: 30px;
            fill: white;
        }
        .card-header {
            position: relative;
            padding: 20px 20px 15px;
            background: linear-gradient(135deg, #146d52 0%, #0c4231 100%);
            color: white;
            border-radius: 12px 12px 0 0;
        }
        .card-header::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 100%;
            height: 20px;
            background: linear-gradient(to bottom, rgba(20, 109, 82, 0.3), transparent);
            z-index: -1;
        }
        .card-content {
            padding: 20px;
        }
        .card-footer {
            padding: 15px 20px;
            border-top: 1px solid rgba(0, 0, 0, 0.05);
            background: rgba(0, 0, 0, 0.02);
        }
        .info-item {
            display: flex;
            align-items: center;
            margin-bottom: 8px;
        }
        .info-icon {
            width: 20px;
            height: 20px;
            margin-right: 10px;
            color: #146d52;
        }
        .secondary-bg {
            background: #ffcf14;
        }
        .secondary-text {
            color: #ffcf14;
        }
        .secondary-border {
            border-color: #ffcf14;
        }
        .card-hint {
            position: absolute;
            bottom: 15px;
            left: 0;
            width: 100%;
            text-align: center;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.7);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .card:hover .card-hint {
            opacity: 1;
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 207, 20, 0.4);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(255, 207, 20, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 207, 20, 0);
            }
        }