/* General */
body {
    font-family: Arial, sans-serif;
    background: linear-gradient(to right, #004e92, #fdc830);
    color: white;
    margin: 0;
    padding: 0;
    text-align: center;
}

/* Contenedor principal */
.container {
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Estilo del título */
.title {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
}

/* Diseño de los paquetes */
.crypto-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.package-card {
    background: #111;
    color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    width: 320px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.package-title {
    color: #ffd700;
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
}

/* Botón de invertir */
.invest-btn {
    width: 100%;
    background: #ffd700;
    color: black;
    border: none;
    padding: 12px;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 15px;
    font-size: 16px;
}

.invest-btn:hover {
    background: #ffcc00;
}

/* Menú inferior fijo */
.footer-menu {
    position: fixed;
    bottom: 0;
    width: 100%;
    background: #111;
    padding: 15px;
    display: flex;
    justify-content: space-around;
    box-shadow: 0px -2px 10px rgba(0, 0, 0, 0.5);
}

.footer-menu a {
    text-decoration: none;
    color: white;
    text-align: center;
    font-size: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Ajustes responsivos */
@media (max-width: 768px) {
    .crypto-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .package-card {
        width: 90%;
    }

    .footer-menu {
        flex-wrap: wrap;
    }
}