/*==================================================
    EVENTOS
==================================================*/

.events-banner {
    position: relative;
    min-height: 55vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    overflow: hidden;
    background:
        linear-gradient(rgba(0, 0, 0, .6), rgba(0, 0, 0, .68)),
        url("/assets/images/institucional/estudiantes-2.png") center/cover no-repeat;
}

.events-banner .container {
    max-width: 900px;
}

.events-banner h1 {
    color: #fff;
    margin: var(--space-2) 0;
}

.events-banner p {
    color: rgba(255, 255, 255, .9);
    font-size: 1.05rem;
}

/*----- Centros de interés -----*/

.interest-centers-grid {
    margin-top: var(--space-6);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.interest-center-card {
    padding: 34px 28px;
    text-align: center;
}

.interest-center-icon {
    width: 68px;
    height: 68px;
    margin: 0 auto 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
}

.interest-center-icon--primary { background: var(--color-primary-gradient); }
.interest-center-icon--secondary { background: var(--color-secondary-gradient); }
.interest-center-icon--accent { background: var(--color-accent-gradient); }
.interest-center-icon--pending { background: #b7bfc8; }

.interest-center-card h3 {
    margin-bottom: 10px;
    font-size: 1.05rem;
}

.interest-center-card p {
    font-size: .92rem;
    margin: 0;
}

.interest-center-card--pending {
    border: 2px dashed var(--color-border);
    box-shadow: none;
}

.interest-center-card--pending p {
    color: var(--color-text-muted);
    display: flex;
    gap: 6px;
    justify-content: center;
    align-items: flex-start;
}

.interest-center-card--pending i {
    color: var(--color-accent);
    margin-top: 2px;
}

@media (max-width: 960px) {
    .interest-centers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 560px) {
    .interest-centers-grid {
        grid-template-columns: 1fr;
    }
}

/*----- Evento destacado -----*/

.featured-event {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.featured-event-image {
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.featured-event-image img {
    width: 100%;
    transition: .6s;
}

.featured-event-image:hover img {
    transform: scale(1.06);
}

.featured-event-content h2 {
    margin-bottom: var(--space-2);
}

.featured-event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    margin: var(--space-3) 0;
}

.featured-event-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #444;
    font-size: .95rem;
}

.featured-event-meta i {
    color: var(--color-accent);
}

.featured-countdown {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin: var(--space-3) 0;
}

.featured-countdown > div {
    background: #fff;
    padding: 20px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.featured-countdown span {
    display: block;
    font-size: 1.9rem;
    color: var(--color-accent);
    font-weight: 700;
}

.featured-countdown small {
    color: var(--color-text-muted);
}

@media (max-width: 960px) {
    .featured-event {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .featured-countdown {
        grid-template-columns: repeat(2, 1fr);
    }
}

/*----- Filtros -----*/

.event-filters {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 26px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    background: #fff;
    font-weight: 600;
    transition: .3s;
}

.filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.filter-btn[aria-pressed="true"] {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

@media (max-width: 640px) {
    .filter-btn {
        flex: 1 1 40%;
    }
}

/*----- Grid de eventos -----*/

.events-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.event-card {
    overflow: hidden;
    opacity: 0;
    transform: translateY(35px);
    transition: opacity .6s ease, transform .6s ease, box-shadow .35s;
}

.event-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.event-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform .6s;
}

.event-card:hover img {
    transform: scale(1.06);
}

.event-card-body {
    padding: 28px;
}

.event-card-body h3 {
    margin: 16px 0;
}

.event-meta {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    color: var(--color-text-muted);
    font-size: .9rem;
}

@media (max-width: 860px) {
    .events-grid {
        grid-template-columns: 1fr;
    }
}

/*----- Galería + lightbox -----*/

.events-gallery {
    background: var(--color-surface);
}

.gallery-grid {
    margin-top: var(--space-6);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.gallery-grid button {
    padding: 0;
    border: 0;
    background: none;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.gallery-grid img {
    width: 100%;
    height: 230px;
    object-fit: cover;
    transition: transform .45s;
}

.gallery-grid button:hover img {
    transform: scale(1.06);
}

@media (max-width: 860px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 560px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .92);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.lightbox[hidden] {
    display: none;
}

.lightbox img {
    max-width: 90%;
    max-height: 85vh;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 28px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, .3);
    background: rgba(255, 255, 255, .1);
    color: #fff;
    font-size: 1.4rem;
    transition: .3s;
}

.lightbox-close:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}