/* =========================
   GRID GENERAL
========================= */
.grid-opciones {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 28px;
    margin-top: 30px;
}

/* =========================
   CARD FUTURISTA
========================= */
.card-opcion {
    position: relative;
    background: #ffffff;
    border-radius: 18px;
    padding: 36px 20px;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    color: #333;
    text-decoration: none;

    border: 1px solid #e5e5e5;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px; /* más espacio interno para imagen grande */

    transition: all 0.35s ease;
    overflow: hidden;
}

/* Brillo futurista */
.card-opcion::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(37, 211, 102, 0.12),
        transparent
    );
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

/* Línea inferior tipo tech */
.card-opcion::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 4px;
    background: linear-gradient(135deg, #25D366, #1ebe5d);
    border-radius: 10px;
    transform: translateX(-50%);
    transition: width 0.35s ease;
    pointer-events: none;
}

/* =========================
   HOVER
========================= */
.card-opcion:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.12);
    color: #1ebe5d;
}

.card-opcion:hover::before {
    opacity: 1;
}

.card-opcion:hover::after {
    width: 65%;
}

/* =========================
   IMAGEN DEL CARD
========================= */
.card-img {
    width: 180px;
    height: 180px;
    object-fit: contain;
    transition: transform 0.35s ease;
}

.card-opcion:hover .card-img {
    transform: scale(1.15);
}

/* =========================
   CONTENEDOR PRINCIPAL
========================= */
.catalogo-section {
    margin-top: 40px;
    margin-bottom: 90px; /* espacio con el footer */
}

/* Link volver más elegante */
.volver-link {
    display: inline-block;
    margin-bottom: 28px;
    color: #1ebe5d;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.25s ease;
}

.volver-link:hover {
    color: #18a851;
}
.franja-verde {
    background-color: #25D366; /* Verde similar al de tu imagen */
    color: black;               /* Color del texto */
    font-weight: bold;          /* Texto en negrita */
    text-align: center;         /* Centrar texto */
    padding: 15px 0;            /* Espaciado arriba y abajo */
    font-family: Arial, sans-serif;
    font-size: 30px;            /* Tamaño del texto */      
    }
/* =========================
   RESPONSIVE PARA CELULAR
========================= */
@media (max-width: 576px) {
    .card-opcion {
        padding: 28px 16px;
        font-size: 16px;
        gap: 20px; /* ajusta espacio interno */
    }

    .card-img {
        width: 130px;
        height: 130px;
    }

    .grid-opciones {
        gap: 18px;
    }
}