.astro-bg {
            background: linear-gradient(135deg, #1A2035 0%, #151A30 100%);
        }
        .card-dark {
            background-color: #222B45;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .card-dark:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }
        .pro-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background-color: #F97316;
            color: white;
            padding: 2px 8px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: bold;
        }
        .language-btn {
            background-color: #2E3A59;
            border-radius: 20px;
            padding: 6px 12px;
            display: flex;
            align-items: center;
            margin-left: 10px;
            transition: all 0.3s ease;
        }
        .language-btn:hover {
            background-color: #36A2EB;
        }

        /* ==================== NUEVOS ESTILOS PARA EL LOGO MEJORADO ==================== */
        .logo-container {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-heart {
            font-size: 1.8rem;
            animation: heartbeat 1.5s infinite;
            cursor: pointer;
        }

        @keyframes heartbeat {
            0%, 100% { transform: scale(1); }
            25% { transform: scale(1.1); }
            50% { transform: scale(1); }
            75% { transform: scale(1.2); }
        }

        .logo-text span {
            font-family: 'Audiowide', cursive;
            font-size: 1.8rem;
            background: linear-gradient(to bottom, #ff6d00, #ffcc00);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            opacity: 0;
            display: inline-block;
            animation: 
                letterAppear 0.5s forwards,
                fire 2s infinite alternate;
        }

        @keyframes letterAppear {
            to { opacity: 1; }
        }

        @keyframes fire {
            0%, 100% { filter: drop-shadow(0 0 2px #ff3c00); }
            50% { filter: drop-shadow(0 0 5px #ff6d00); }
        }

        /* Efecto al hacer hover en el logo */
        .logo-container:hover .logo-heart {
            animation: heartbeat 1s infinite, glow 0.5s infinite alternate;
        }

        @keyframes glow {
            from { text-shadow: 0 0 5px #ff3c00; }
            to { text-shadow: 0 0 15px #ff6d00; }
        }
        /* ==================== FIN NUEVOS ESTILOS ==================== */