/* --------------------------------------------------
   ESTILO BASE
-------------------------------------------------- */

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;

    background: radial-gradient(circle at center,
            rgba(120, 80, 160, 0.35) 0%,
            rgba(60, 40, 80, 0.55) 40%,
            rgba(20, 20, 30, 0.85) 100%);
    background-attachment: fixed;
}


/* --------------------------------------------------
   GRID PROFESIONAL (2 columnas adaptativas)
-------------------------------------------------- */

.gridContainer {
    width: 100%;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(600px, 1fr));
}


/* --------------------------------------------------
   TARJETAS
-------------------------------------------------- */

.card {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    background: transparent !important;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;

    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.card:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.55);
}


/* --------------------------------------------------
   IMÁGENES
-------------------------------------------------- */

.card img {
    width: 100%;
    height: 420px;
    display: block;
    object-fit: cover;
    object-position: center;
    transition: transform 0.6s ease;
}

.card:hover img {
    transform: scale(1);
}


/* --------------------------------------------------
   TOOLTIP USANDO data-title
-------------------------------------------------- */

.card:hover::after {
    content: attr(data-title);
    position: absolute;
    top: 12px;
    left: 12px;

    background: linear-gradient(135deg,
            rgba(180, 120, 255, 0.35) 0%,
            rgba(120, 60, 200, 0.15) 50%,
            rgba(255, 255, 255, 0.05) 100%);

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

    padding: 14px 22px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);

    color: #fff;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 0.5px;

    pointer-events: none;
    opacity: 0;
    transform: translateY(-8px);
    animation: fadeInTooltip 0.35s ease forwards;
}

@keyframes fadeInTooltip {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* Botón flotante sobre la imagen */
.boton-descarga {
    position: absolute;
    bottom: 14px;
    right: 14px;

    padding: 10px 18px;
    background-color: #007BFF;
    color: white;
    font-weight: bold;
    text-decoration: none;
    border-radius: 6px;

    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.35);
    transition: background-color 0.3s ease, transform 0.2s ease;

    opacity: 0;
    transform: translateY(8px);
}

/* Aparece solo al pasar el ratón */
.card:hover .boton-descarga {
    opacity: 1;
    transform: translateY(0);
}

.boton-descarga:hover {
    background-color: #0056b3;
    transform: scale(1.05);
}