.btn-glass-ero {
    position: relative;
    font-family: "Playfair Display", serif;
    padding: 0.45rem 1.4rem;      /* más pequeño */
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.50);
    font-size: 0.95rem;
    color: #111;

    background: rgba(255, 255, 255, 0.22);

    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);

    box-shadow:
        0 2px 6px rgba(0, 0, 0, 0.12),
        inset 0 0 0 rgba(255, 255, 255, 0); /* sin brillo interno */

    transition:
        background 0.25s ease,
        box-shadow 0.25s ease,
        transform 0.15s ease;
}

/* ❗ Sin pseudo-elemento superior, así no hay borde brillante */
.btn-glass-ero::before {
    content: none;
}

.btn-glass-ero:hover {
    background: rgba(255, 255, 255, 0.32);
    transform: translateY(-1px);
}

.btn-glass-ero:active {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(0);
}