body {
    background: url('../img/gallery/1.jpg') no-repeat center center fixed;
    background-size: cover;
}

.internacion-section {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
    gap: 32px;
    padding: 48px 0 32px 0;
    /* Sin fondo, solo la imagen de fondo del body */
}

.internacion-info {
    flex: 1 1 380px;
    max-width: 540px;
    background: #fff;
    border-radius: 10px;
    padding: 38px 36px 32px 36px;

}

.internacion-etiqueta {
    display: inline-block;
    background: #d85e5e;
    color: #fff;
    font-weight: 600;
    border-radius: 20px;
    padding: 7px 22px;
    margin-bottom: 18px;
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.internacion-info h1 {
    color: #222;
    font-size: 2.1rem;
    margin-bottom: 18px;
    font-weight: 700;
}

.internacion-info p {
    color: #444;
    font-size: 1.15rem;
    margin-bottom: 32px;
}

.btn-verde-claro {
    background-color: #7be495 !important;
    border-color: #7be495 !important;
    color: #fff !important;
    border-radius: 24px !important;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 12px 32px;
    margin-top: 10px;
}

.btn-verde-claro:hover,
.btn-verde-claro:focus {
    background-color: #5fd68b !important;
    border-color: #5fd68b !important;
    color: #fff !important;
}

.internacion-cards {
    display: flex;
    flex-direction: column;
    gap: 24px;
    flex: 1 1 320px;
    max-width: 370px;
}

.internacion-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
    overflow: hidden;
    text-align: center;
}

.internacion-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.internacion-card-titulo {
    background: #51b8f2;
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    padding: 14px 0 12px 0;
    margin: 0;
}

@media (max-width: 991px) {
    .internacion-section {
        flex-direction: column;
        align-items: stretch;
        gap: 40px;
    }

    .internacion-info,
    .internacion-cards {
        max-width: 100%;
    }
}

.back-btn {
    position: fixed;
    left: 12px;
    top: 28px;
    z-index: 9999;
    border-radius: 16px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.12);
    margin: 0;
    padding: .7rem 1.1rem;
    font-size: 1.1rem;
}

@media (max-width:767px) {
    .back-btn {
        top: 16px;
        left: 8px;
        padding: .55rem .8rem;
        font-size: 1rem;
    }
}