/*==================================================
    NUESTRA IDENTIDAD
==================================================*/

.identity-banner {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    background:
        linear-gradient(rgba(0, 35, 71, .8), rgba(0, 35, 71, .8)),
        url("/assets/images/institucional/nino-leyendo.png") center/cover;
}

.identity-banner .container {
    max-width: 850px;
}

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

.identity-banner p {
    color: #eee;
    font-size: 1.05rem;
}

/*----- Historia + timeline -----*/

.history {
    display: flex;
    align-items: center;
    gap: 60px;
}

.history figure {
    flex: 1;
}

.history figure img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.history-content {
    flex: 1;
}

.timeline {
    margin-top: var(--space-4);
    border-left: 3px solid var(--color-border);
    padding-left: var(--space-3);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-3);
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: calc(-1 * var(--space-3) - 8px);
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-year {
    display: inline-block;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 4px;
}

.timeline-item p {
    margin: 0;
}

@media (max-width: 860px) {
    .history {
        flex-direction: column;
    }
}

/*----- Misión / Visión -----*/

.mission-vision {
    background: var(--color-surface);
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin-top: var(--space-6);
}

.info-card {
    padding: 42px;
    text-align: center;
}

.info-card i {
    font-size: 50px;
    color: var(--color-accent);
    margin-bottom: 18px;
}

.info-card h3 {
    margin-bottom: 16px;
}

.info-card p {
    margin: 0;
}

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

/*----- Modelo educativo -----*/

.model-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: var(--space-6);
}

.model-card {
    padding: 36px 28px;
    text-align: center;
}

.model-card i {
    font-size: 38px;
    color: var(--color-accent);
    margin-bottom: 14px;
}

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

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

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

/*----- Principios y valores (acordeón) -----*/

.values-grid {
    margin-top: var(--space-6);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
    gap: 24px;
}

.value-item {
    overflow: hidden;
}

.value-item.is-active {
    background: var(--color-accent);
}

.value-trigger {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
    padding: 30px;
    background: transparent;
    border: 0;
    text-align: left;
}

.value-trigger i:first-child {
    font-size: 34px;
    color: var(--color-accent);
    transition: .3s;
}

.value-trigger h3 {
    flex: 1;
    font-size: 1.1rem;
    transition: .3s;
}

.value-trigger .chevron {
    color: #999;
    transition: transform .35s;
}

.value-item.is-active .value-trigger .chevron {
    transform: rotate(180deg);
    color: #fff;
}

.value-item.is-active .value-trigger h3,
.value-item.is-active .value-trigger i:first-child {
    color: #fff;
}

.value-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height .45s ease;
}

.value-item.is-active .value-panel {
    max-height: 320px;
}

.value-panel p {
    margin: 0;
    padding: 0 30px 30px;
    font-size: .95rem;
}

.value-item.is-active .value-panel p {
    color: #fff;
}

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

@media (max-width: 640px) {
    .values-grid {
        grid-template-columns: 1fr;
    }
}

/*----- Sedes educativas -----*/

.sedes-grid {
    margin-top: var(--space-6);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.sede-card {
    padding: 36px;
    text-align: center;
    overflow: hidden;
}

/*----- Fotografía de la sede (lista para sustituir por una real) -----*/

.sede-photo {
    position: relative;
    width: calc(100% + 72px);
    aspect-ratio: 4 / 3;
    margin: -36px -36px 24px;
    background: var(--color-surface);
}

.sede-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.sede-photo-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--color-text-muted);
}

.sede-photo-fallback i {
    font-size: 36px;
    color: var(--color-primary-light);
}

.sede-photo-fallback span {
    font-size: .82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.sede-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: #fff;
}

.sede-icon--primary { background: var(--color-primary-gradient); }
.sede-icon--secondary { background: var(--color-secondary-gradient); }
.sede-icon--accent { background: var(--color-accent-gradient); }

.sede-card .badge {
    margin-bottom: 14px;
}

.sede-card h3 {
    margin-bottom: 12px;
}

.sede-pending {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px dashed var(--color-border);
    font-size: .82rem;
    color: var(--color-text-muted);
    display: flex;
    gap: 8px;
    align-items: flex-start;
    text-align: left;
}

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

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

/*----- Compromiso -----*/

.commitment {
    display: flex;
    align-items: center;
    gap: 60px;
}

.commitment figure {
    flex: 1;
}

.commitment figure img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.commitment-content {
    flex: 1;
}

@media (max-width: 860px) {
    .commitment {
        flex-direction: column-reverse;
    }
}

/*----- Frase -----*/

.quote-section {
    background: var(--color-surface);
    text-align: center;
}

.quote-section blockquote {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.9rem;
    font-style: italic;
    color: var(--color-primary);
    line-height: 1.7;
}

@media (max-width: 720px) {
    .quote-section blockquote {
        font-size: 1.3rem;
    }
}

/*----- Mensaje del rector -----*/

.rector-card {
    display: flex;
    gap: 50px;
    align-items: center;
    padding: 48px;
    position: relative;
    overflow: hidden;
}

.rector-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 8px;
    height: 100%;
    background: var(--color-accent);
}

.rector-photo {
    flex: 0 0 240px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    overflow: hidden;
    border: 8px solid #fff;
    box-shadow: var(--shadow-lg);
}

.rector-photo img,
.rector-photo.photo-placeholder {
    width: 100%;
    height: 100%;
}

.rector-content {
    flex: 1;
}

.rector-content h2 {
    margin: 12px 0 20px;
}

.rector-signature {
    margin-top: var(--space-3);
    border-top: 1px solid var(--color-border);
    padding-top: 18px;
}

.rector-signature h4 {
    margin: 0;
    color: var(--color-primary);
}

.rector-signature span {
    color: var(--color-accent);
}

@media (max-width: 860px) {
    .rector-card {
        flex-direction: column;
        padding: 32px;
        text-align: center;
    }

    .rector-photo {
        margin: 0 auto;
    }
}

/*----- Reveal-on-scroll -----*/

.reveal {
    opacity: 0;
    transform: translateY(45px);
    transition: opacity .7s ease, transform .7s ease;
}

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

@media (max-width: 720px) {
    .identity-banner {
        min-height: 50vh;
    }
}