/* CTE Applications - estilos autonomos (sin dependencia de Bootstrap ni del tema activo) */

.cte-apps,
.cte-apps-lightbox {
    box-sizing: border-box;
}
.cte-apps *,
.cte-apps *::before,
.cte-apps *::after,
.cte-apps-lightbox * {
    box-sizing: inherit;
}

/* ---- Cuadricula ---- */
.cte-apps-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
@media (min-width: 640px) {
    .cte-apps-grid {
        grid-template-columns: repeat(var(--cte-apps-columns, 4), 1fr);
    }
}

.cte-apps-card {
    position: relative;
    display: block;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: 4px;
    text-decoration: none;
    background: #eee;
}
.cte-apps-card-img {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.35s ease;
}
.cte-apps-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--cte-apps-overlay, rgba(0,0,0,0.45)) 0%, rgba(0,0,0,0) 55%);
    transition: background 0.35s ease;
}
.cte-apps-card-title {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 16px;
    color: #fff;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 15px;
    line-height: 1.25;
}
.cte-apps-card:hover .cte-apps-card-img,
.cte-apps-card:focus .cte-apps-card-img {
    transform: scale(1.06);
}
.cte-apps-card:hover .cte-apps-card-overlay,
.cte-apps-card:focus .cte-apps-card-overlay {
    background: linear-gradient(to top, var(--cte-apps-overlay, rgba(0,0,0,0.6)) 0%, rgba(0,0,0,0.15) 75%);
}

/* ---- Ficha individual ---- */
.cte-apps-single {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px 60px;
}
.cte-apps-back {
    margin-bottom: 10px;
}
.cte-apps-back a {
    color: var(--cte-apps-primary, #006cad);
    text-decoration: none;
    font-weight: 600;
}
.cte-apps-title {
    color: var(--cte-apps-text, #222222);
    text-transform: uppercase;
    margin: 0 0 20px;
}

.cte-apps-hero {
    width: 100%;
    aspect-ratio: 16 / 7;
    background-size: cover;
    background-position: center;
    border-radius: 4px;
    margin-bottom: 30px;
}

.cte-apps-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 30px;
}
@media (min-width: 640px) {
    .cte-apps-gallery {
        grid-template-columns: repeat(4, 1fr);
    }
}
.cte-apps-gallery-item {
    display: block;
    aspect-ratio: 1 / 1;
    background-size: cover;
    background-position: center;
    border-radius: 4px;
    cursor: zoom-in;
    transition: opacity 0.2s ease;
}
.cte-apps-gallery-item:hover,
.cte-apps-gallery-item:focus {
    opacity: 0.85;
}

.cte-apps-content {
    color: var(--cte-apps-text, #222222);
    line-height: 1.6;
    max-width: 800px;
}

.cte-apps-related {
    margin-top: 60px;
    border-top: 1px solid #e5e5e5;
    padding-top: 30px;
}
.cte-apps-related-title {
    color: var(--cte-apps-primary, #006cad);
    text-transform: uppercase;
    font-size: 18px;
    margin: 0 0 16px;
}
.cte-apps-grid-related {
    grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 640px) {
    .cte-apps-grid-related {
        grid-template-columns: repeat(4, 1fr);
    }
}
.cte-apps-grid-related .cte-apps-card-title {
    font-size: 13px;
    padding: 10px;
}

/* ---- Lightbox ---- */
.cte-apps-lightbox {
    position: fixed;
    inset: 0;
    z-index: 100000;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
}
.cte-apps-lightbox[hidden] {
    display: none;
}
.cte-apps-lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
.cte-apps-lightbox-close,
.cte-apps-lightbox-prev,
.cte-apps-lightbox-next {
    position: absolute;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 40px;
    line-height: 1;
    cursor: pointer;
    padding: 10px;
}
.cte-apps-lightbox-close {
    top: 10px;
    right: 20px;
    font-size: 32px;
}
.cte-apps-lightbox-prev {
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
}
.cte-apps-lightbox-next {
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}