/**
 * Tema institucional minimalista - Comunidad Educativa Roberto Arlt
 * Blanco y alto contraste con acento verde institucional
 */
:root {
    --primary: #1e5631;
    --primary-hover: #2d7a45;
    --text: #1a1a1a;
    --text-muted: #111111;
    --border: #e8e8e8;
    --bg: #ffffff;
    --bg-alt: #f8f8f8;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
}

a {
    text-decoration: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header a todo ancho: el contenedor del header usa todo el ancho disponible */
.site-header {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 0;
}

.site-header .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    max-width: none;
    width: 100%;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text);
}

.site-logo img {
    height: 56px;
    width: auto;
    display: block;
}

.site-logo-text {
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    line-height: 1.25;
    display: block;
}

.site-logo-text-wrap {
    display: flex;
    flex-direction: column;
}

.site-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 400;
    margin: 0.1rem 0 0 0;
    display: block;
}

/* Nav minimalista: logo/nombre a la izquierda, menú a la derecha */
.site-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.15rem;
}

.site-nav > ul > li {
    position: relative;
}

.site-nav a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    transition: color 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.site-nav .dropdown-caret {
    font-size: 0.65rem;
    opacity: 0.8;
    transition: transform 0.2s;
}

.site-nav .has-dropdown:hover .dropdown-caret {
    transform: rotate(180deg);
}

/* Submenú Escuela */
.site-nav .submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    padding: 0.5rem 0;
    margin-top: 2px;
    list-style: none;
    z-index: 100;
    display: none;
}

.site-nav .has-dropdown:hover .submenu {
    display: block;
}

.site-nav .has-dropdown:focus-within .submenu {
    display: block;
}

.site-nav .submenu li {
    margin: 0;
}

.site-nav .submenu a {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.site-nav .submenu a:hover {
    background: var(--bg-alt);
}

.site-nav a:hover,
.site-nav a.activo {
    color: var(--primary);
}

/* Comunicados */
.comunicados-block {
    background: var(--bg-alt);
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
}

.comunicados-block h2 {
    margin: 0 0 1.25rem;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.02em;
}

.comunicado-card {
    background: var(--bg);
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
    border-left: 3px solid var(--primary);
}

.comunicado-card:last-child { margin-bottom: 0; }

.comunicado-badge {
    display: inline-block;
    padding: 0.15em 0.5em;
    border-radius: 2px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-right: 0.6rem;
}

.comunicado-badge-verde { background: #e8f0ea; color: var(--primary); }
.comunicado-badge-amarilla { background: #fff8e1; color: #b45309; }
.comunicado-badge-roja { background: #ffebee; color: #b71c1c; }

.comunicado-fecha { font-size: 0.8rem; color: var(--text-muted); }
.comunicado-titulo { margin: 0.35em 0 0.2em; font-size: 1rem; font-weight: 600; color: var(--text); }
.comunicado-contenido { margin-top: 0.4em; font-size: 0.9rem; color: var(--text-muted); line-height: 1.55; }

/* Banner / Hero con foto de la escuela */
.banner {
    position: relative;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
    background-color: var(--primary);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.banner-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.45);
}

.banner .container {
    position: relative;
    z-index: 1;
}

.banner p {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.35;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.banner .banner-sub {
    font-size: 0.95rem;
    opacity: 0.95;
    margin-top: 0.5rem;
    font-weight: 400;
}

/* Secciones */
.features-block,
.main-wrap {
    padding: 2.5rem 0 3rem;
}

.section-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 0.25rem;
    letter-spacing: 0.02em;
}

.section-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.75rem;
}

.features-block .subtitle,
.features-block .section-subtitle {
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}

.feature-card {
    background: var(--bg);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: border-color 0.2s;
}

.feature-card:hover {
    border-color: var(--primary);
}

.feature-card a {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

/* Proporción 16:9 en todas las cards de galería/proyectos/promociones */
.feature-card img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    flex-shrink: 0;
}

.feature-card video {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    flex-shrink: 0;
    background: #000;
}

.feature-card .feature-body {
    flex: 0 0 auto;
    padding: 1rem 1.25rem;
}
.feature-card h3 { margin: 0 0 0.35rem; font-size: 1rem; font-weight: 600; color: var(--primary); }
.feature-card p { margin: 0; font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

/* Main + sidebar */
.main-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 880px) {
    .main-grid { grid-template-columns: 1fr 300px; }
}

.main-content { min-width: 0; }

.post-card {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.25rem;
}

.post-card:last-child { margin-bottom: 0; }

.post-card h2 { margin: 0 0 0.3em; font-size: 1.2rem; font-weight: 600; }
.post-card h2 a { color: var(--primary); text-decoration: none; }
.post-card h2 a:hover { color: var(--primary-hover); }
.post-card h3 { margin: 1rem 0 0.35em; font-size: 1rem; font-weight: 600; color: var(--text); }
.post-card p { margin: 0.45em 0; color: var(--text-muted); font-size: 0.95rem; }

.post-card .img-wrap {
    overflow: hidden;
    margin: 1rem 0;
}

.post-card .img-wrap img { width: 100%; height: auto; display: block; }

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: #fff !important;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.btn:hover { background: var(--primary-hover); }

/* Modalidades */
.modalidades-list { list-style: none; padding: 0; margin: 0.75rem 0 0; }
.modalidades-list li {
    padding: 0.4rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.modalidades-list .icon {
    color: var(--primary);
    font-size: 1rem;
    width: 1.25rem;
    text-align: center;
}

/* Sidebar */
.sidebar-section {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.sidebar-section h3 { margin: 0 0 0.75rem; font-size: 1rem; font-weight: 600; color: var(--text); }
.sidebar-section ul { list-style: none; padding: 0; margin: 0; }
.sidebar-section li { border-bottom: 1px solid var(--border); padding: 0.75rem 0; }
.sidebar-section li:last-child { border-bottom: 0; }

.testimonio-fecha { font-size: 0.75rem; color: var(--text-muted); }
.testimonio-autor { font-weight: 600; color: var(--text); font-size: 0.9rem; }
.testimonio-texto { margin: 0.2rem 0 0; font-size: 0.85rem; color: var(--text-muted); }

/* Footer minimalista */
.site-footer {
    background: var(--text);
    color: rgba(255,255,255,0.85);
    padding: 2rem 0;
    margin-top: 2rem;
    font-size: 0.9rem;
}

.site-footer h2 {
    margin: 0 0 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
}

.site-footer a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
}

.site-footer a:hover { opacity: 0.9; }

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (min-width: 600px) {
    .footer-grid { grid-template-columns: 1fr 1fr auto; }
}

.footer-icons {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-icons li { padding: 0.25rem 0; display: flex; align-items: center; gap: 0.5rem; }
.footer-icons .icon { width: 1rem; text-align: center; opacity: 0.85; }

.social-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.12);
    color: #fff;
    transition: background 0.2s;
}

.social-links a:hover { background: rgba(255,255,255,0.25); }

/* Up button */
.up-btn {
    position: fixed;
    bottom: 5.5rem;
    right: 1.25rem;
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    z-index: 1000;
    opacity: 0.9;
    transition: opacity 0.2s;
}

.up-btn:hover { opacity: 1; }

@media (max-width: 480px) {
    .up-btn {
        right: 0.75rem;
        bottom: 5rem;
    }
}

/* Páginas internas */
.page-header { margin-bottom: 1.25rem; }
.page-header h1 { margin: 0 0 0.2rem; font-size: 1.5rem; font-weight: 600; color: var(--text); }
.page-header .lead { color: var(--text-muted); margin: 0; font-size: 0.95rem; }

.content-body { font-size: 0.95rem; line-height: 1.65; }
.content-body h3 { margin: 1.25rem 0 0.4rem; font-size: 1.05rem; font-weight: 600; color: var(--primary); }
.content-body p { margin: 0.6em 0; }
.content-body ul { margin: 0.6em 0; padding-left: 1.25rem; }

/* Historia */
.historia-item { margin-bottom: 1.25rem; padding-left: 0.75rem; border-left: 3px solid var(--primary); }
.historia-item .historia-imagen { margin-bottom: 0.5rem; }
.historia-item .historia-imagen img { max-width: 100%; height: auto; display: block; border-radius: 4px; }
.historia-item .anio { font-weight: 600; color: var(--primary); font-size: 1rem; }
.historia-item .texto { margin: 0.2rem 0 0; color: var(--text-muted); font-size: 0.9rem; }

/* Galería / grids (compat) */
#features-wrapper { padding: 2rem 0; }
.row { display: flex; flex-wrap: wrap; margin: 0 -0.5rem; }
.row > * { padding: 0 0.5rem; margin-bottom: 0.75rem; }
.row .4u { flex: 0 0 100%; }
@media (min-width: 600px) { .row .4u { flex: 0 0 33.333%; } }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* Calendario tipo Google */
.calendario-wrap { padding: 1rem 1.25rem; }
.calendario-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.25rem;
}
.calendario-nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    text-decoration: none;
    font-size: 1.1rem;
    transition: background 0.2s, border-color 0.2s;
}
.calendario-nav-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.calendario-nav-centro {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    min-width: 0;
}
.calendario-mes-titulo { font-size: 1.25rem; font-weight: 600; color: var(--text); }
.calendario-ir-hoy {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    white-space: nowrap;
}
.calendario-ir-hoy:hover { text-decoration: underline; }
.calendario-celda-hoy {
    background: rgba(58, 118, 74, 0.1);
    box-shadow: inset 0 0 0 2px var(--primary);
}
.calendario-celda-hoy .calendario-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.85rem;
    height: 1.85rem;
    padding: 0 0.35rem;
    border-radius: 999px;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
}
.calendario-grid { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.calendario-dias-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}
.calendario-dias-header span {
    padding: 0.5rem 0.25rem;
    text-align: center;
    border-right: 1px solid var(--border);
}
.calendario-dias-header span:last-child { border-right: 0; }
.calendario-fila {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    min-height: 5rem;
}
.calendario-celda {
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 0.25rem;
    min-height: 5rem;
    background: #fff;
}
.calendario-celda:nth-child(7n) { border-right: 0; }
.calendario-celda-vacia { background: var(--bg); }
.calendario-num {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.2rem;
}
.calendario-eventos-dia { display: flex; flex-direction: column; gap: 0.2rem; }
.calendario-evento {
    font-size: 0.7rem;
    padding: 0.2rem 0.35rem;
    border-radius: 4px;
    border-left: 3px solid var(--primary);
    background: rgba(26, 115, 232, 0.08);
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.calendario-cronograma-texto {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    font-size: 0.9rem;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.calendario-cronograma-texto table {
    margin: 0.5rem 0;
    min-width: 520px;
}
@media (max-width: 640px) {
    .calendario-cronograma-texto table.calendario-cronograma,
    .calendario-cronograma-texto table {
        min-width: 0;
        width: 100%;
        display: block;
    }
    .calendario-cronograma-texto table thead { display: none; }
    .calendario-cronograma-texto table tbody tr {
        display: block;
        margin-bottom: 1rem;
        border: 1px solid var(--border);
        border-radius: 6px;
        padding: 0.75rem;
        background: var(--bg);
    }
    .calendario-cronograma-texto table tbody td {
        display: block;
        padding: 0.35rem 0;
        border: none;
    }
    .calendario-cronograma-texto table tbody td::before {
        font-weight: 600;
        color: var(--text-muted);
        font-size: 0.8rem;
        display: block;
        margin-bottom: 0.15rem;
    }
    .calendario-cronograma-texto table tbody td:nth-child(1)::before { content: "Niveles y modalidades: "; }
    .calendario-cronograma-texto table tbody td:nth-child(2)::before { content: "Inicio de clases: "; }
    .calendario-cronograma-texto table tbody td:nth-child(3)::before { content: "Receso de invierno: "; }
    .calendario-cronograma-texto table tbody td:nth-child(4)::before { content: "Finalización: "; }
}

.promocion-seccion { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
.promocion-seccion:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.alumnos-promociones { margin-top: 1.5rem; }
.promocion-seccion h3 { margin: 0 0 0.5rem; font-size: 1.2rem; color: var(--primary); }
.promocion-desc { margin: 0 0 1rem; font-size: 0.95rem; color: var(--text-muted); }
.promocion-fotos { margin-top: 1rem; }
.promocion-fotos .feature-card img {
    aspect-ratio: 420 / 297;
    object-fit: contain;
    background: #f5f5f5;
}

/* Docentes: publicaciones, buscador, miniaturas y vista previa */
.docentes-intro { margin: 1rem 0 1.25rem; color: var(--text-muted); font-size: 0.98rem; }
.docentes-vacio { margin: 1rem 0; color: var(--text-muted); }

.docentes-buscador {
    display: flex;
    gap: 0.6rem;
    margin: 1rem 0 1.5rem;
}
.docentes-buscador input {
    flex: 1;
    border: 1px solid var(--border);
    padding: 0.65rem 0.8rem;
    font-size: 0.95rem;
}

.docentes-publicaciones { display: grid; gap: 1rem; }
.docentes-pub {
    border: 1px solid var(--border);
    background: var(--bg);
    padding: 1rem;
}
.docentes-pub-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}
.docentes-pub-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}
.docentes-pub-title {
    margin: 0;
    font-size: 1.1rem;
    color: var(--primary);
}
.docentes-pin {
    font-size: 0.75rem;
    background: #eef7f0;
    color: var(--primary);
    border: 1px solid #cfe3d4;
    padding: 0.2rem 0.45rem;
}
.docentes-share-btn {
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    padding: 0.28rem 0.55rem;
    font-size: 0.78rem;
    cursor: pointer;
}
.docentes-share-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.docentes-item-desc { margin: 0.35rem 0 0; font-size: 0.92rem; color: var(--text-muted); }
.docentes-item-meta { display: block; margin-top: 0.35rem; font-size: 0.8rem; color: var(--text-muted); }

.docentes-archivos-grid {
    margin-top: 0.9rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.8rem;
}
.docentes-archivo {
    border: 1px solid var(--border);
    background: var(--bg-alt);
    padding: 0.55rem;
}
.docentes-preview-btn {
    width: 100%;
    border: 0;
    background: transparent;
    cursor: pointer;
    text-align: left;
    padding: 0;
}
.docentes-thumb {
    width: 100%;
    aspect-ratio: 4 / 3;
    background: #fff;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.docentes-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.docentes-thumb span { font-weight: 700; color: var(--text-muted); letter-spacing: 0.05em; }
.docentes-archivo-nombre {
    display: block;
    margin-top: 0.45rem;
    font-size: 0.85rem;
    color: var(--text);
    word-break: break-word;
}
.docentes-download {
    display: inline-block;
    margin-top: 0.45rem;
    font-size: 0.82rem;
    color: var(--primary);
}

.docentes-modal[hidden] { display: none; }
.docentes-modal {
    position: fixed;
    inset: 0;
    z-index: 1100;
}
.docentes-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.55);
}
.docentes-modal-box {
    position: relative;
    z-index: 1;
    width: min(960px, calc(100% - 2rem));
    max-height: calc(100vh - 2rem);
    margin: 1rem auto;
    background: #fff;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}
.docentes-modal-box h3 {
    margin: 0;
    padding: 0.8rem 3rem 0.8rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
}
.docentes-modal-close {
    position: absolute;
    top: 0.35rem;
    right: 0.45rem;
    border: 0;
    background: transparent;
    font-size: 1.2rem;
    cursor: pointer;
}
.docentes-modal-content {
    padding: 1rem;
    overflow: auto;
}
.docentes-modal-content img,
.docentes-modal-content iframe {
    width: 100%;
    max-height: calc(100vh - 12rem);
    border: 0;
}