#main-header {
    margin-bottom: 0 !important;
}

.extension-nav-wrapper,
.subnavbar {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    /* Ajustado para evitar solapamiento con el header */
    z-index: 99;
    background: #ffffff;
    border-bottom: 1px solid #eef2f5;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    padding-top: 0 !important;
}

/* Página de detalle de novedades - garantiza que el sticky se alinee justo bajo el header */
.extension-detail-page .extension-nav-wrapper,
.extension-detail-page .subnavbar {
    top: 0 !important;
}

/* Añade espacio superior al encabezado para evitar solapamiento con el header fijo */
.extension-detail-page .site-page-header {
    padding-top: 80px; /* altura del header fijo */
}

.extension-nav-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    padding: 10px 0;
}


.extension-nav-btn {
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 0.5px;
    color: #111111;
    background: transparent;
    border: 2px solid transparent;
    border-radius: 30px;
    padding: 10px 24px;
    transition: all 0.3s ease;
    text-decoration: none !important;
}


.extension-nav-btn:hover {
    color: #F5A800;
    border-color: rgba(245, 168, 0, 0.3);
    background-color: rgba(245, 168, 0, 0.02);
}


.extension-nav-btn.active {
    color: #ffffff !important;
    background-color: #F5A800;
    border-color: #F5A800;
    box-shadow: 0 4px 10px rgba(245, 168, 0, 0.25);
}


section.extension-section {
    scroll-margin-top: 150px;
    /* offset para navbar principal + selector sticky */
    padding: 80px 0;
}

.bg-light-gray {
    background-color: #f8f9fa;
}

.bg-white {
    background-color: #ffffff;
}

.section-title {
    font-size: 32px;
    font-weight: 800;
    color: #212529;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 15px;
    display: inline-block;
    position: relative;
    font-family: "Montserrat", sans-serif;
}

.section-title::after {
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background-color: #F5A800;
    margin: 12px auto 0;
    border-radius: 2px;
}

/* Línea divisoria elegante entre las secciones principales */
.extension-section-divider {
    height: 1px;
    background: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0));
    margin: 0;
    padding: 0;
    border: none;
}

/* Imagen detalle novedad */
.novedad-detail-image {
    max-height: 320px;
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 0.5rem;
}

@media (max-width: 576px) {
    .novedad-detail-image {
        max-height: 200px;
    }
}


/* Estilos de Acordeón Reutilizables (Idéntico a becas-accordion) */
.extension-accordion .accordion-collapse {
    height: auto !important;
    max-height: none !important;
    overflow: visible !important;
}

/* Ensure collapse shows full height */
.extension-accordion .accordion-collapse.show {
    height: auto !important;
    max-height: none !important;
    overflow: visible !important;

    /* Header detalle de novedades */
    .extension-detail-header {
        margin-bottom: 2rem;
        /* espacio entre el banner y subnavbar */
        padding-bottom: 1rem;
    }


    .extension-accordion .accordion-body {
        padding: 1.25rem;
        overflow: visible !important;
        /* Prevent clipping */
    }

    .extension-accordion .accordion-item {
        border: 1px solid #eef2f5 !important;
        border-left: none !important;
        border-radius: 12px !important;
        overflow: visible;
        background: #ffffff;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
        transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        margin-bottom: 1.5rem;
        /* More space between items */
    }

    .extension-accordion .accordion-item:hover {
        box-shadow: 0 8px 24px rgba(17, 17, 17, 0.06);
    }

    .extension-accordion .accordion-button {
        font-family: "Montserrat", sans-serif;
        font-weight: 700;
        color: #111111;
        background-color: transparent !important;
        padding: 22px 24px;
        border: none !important;
        box-shadow: none !important;
        transition: all 0.3s ease;
    }

    .extension-accordion .accordion-button::after {
        display: none !important;
    }

    .extension-accordion .accordion-button:not(.collapsed) {
        background-color: rgba(17, 17, 17, 0.02) !important;
        color: #111111;
    }

    .extension-accordion .category-icon {
        font-size: 24px;
        color: #111111;
        transition: color 0.3s ease, transform 0.3s ease;
        width: 28px;
        text-align: center;
    }

    .extension-accordion .accordion-item:hover .category-icon {
        color: #F5A800;
        transform: scale(1.1);
    }

    .extension-accordion .category-title {
        font-family: "Montserrat", sans-serif;
        font-weight: 700;
        font-size: 18px;
        color: #111111;
        transition: color 0.3s ease;
    }

    .extension-accordion .accordion-item:hover .category-title {
        color: #F5A800;
    }

    .extension-accordion .accordion-arrow {
        font-size: 20px;
        color: #6c757d;
        transition: transform 0.3s ease, color 0.3s ease;
    }

    .extension-accordion .accordion-button:not(.collapsed) .accordion-arrow {
        transform: rotate(90deg);
        color: #111111;
    }

    .extension-accordion .accordion-item:hover .accordion-arrow {
        color: #F5A800;
    }



    /* 1. Cursos (Azul suave) */
    .extension-accordion .ext-cat-cursos {
        background-color: #f0f4f8 !important;
    }

    .extension-accordion .ext-cat-cursos .category-icon,
    .extension-accordion .ext-cat-cursos .category-title,
    .extension-accordion .ext-cat-cursos .accordion-arrow {
        color: #0056b3 !important;
    }

    .extension-accordion .ext-cat-cursos:hover {
        box-shadow: 0 8px 24px rgba(0, 86, 179, 0.08);
    }

    .extension-accordion .ext-cat-cursos:hover .category-icon,
    .extension-accordion .ext-cat-cursos:hover .category-title,
    .extension-accordion .ext-cat-cursos:hover .accordion-arrow {
        color: #003d82 !important;
    }

    /* 2. PPS (Morado suave) */
    .extension-accordion .ext-cat-pps {
        background-color: #f5f2fa !important;
    }

    .extension-accordion .ext-cat-pps .category-icon,
    .extension-accordion .ext-cat-pps .category-title,
    .extension-accordion .ext-cat-pps .accordion-arrow {
        color: #6b21a8 !important;
    }

    .extension-accordion .ext-cat-pps:hover {
        box-shadow: 0 8px 24px rgba(107, 33, 168, 0.08);
    }

    .extension-accordion .ext-cat-pps:hover .category-icon,
    .extension-accordion .ext-cat-pps:hover .category-title,
    .extension-accordion .ext-cat-pps:hover .accordion-arrow {
        color: #581c87 !important;
    }

    /* 3. Pasantías (Verde suave) */
    .extension-accordion .ext-cat-pasantias {
        background-color: #eef9f2 !important;
    }

    .extension-accordion .ext-cat-pasantias .category-icon,
    .extension-accordion .ext-cat-pasantias .category-title,
    .extension-accordion .ext-cat-pasantias .accordion-arrow {
        color: #198754 !important;
    }

    .extension-accordion .ext-cat-pasantias:hover {
        box-shadow: 0 8px 24px rgba(25, 135, 84, 0.08);
    }

    .extension-accordion .ext-cat-pasantias:hover .category-icon,
    .extension-accordion .ext-cat-pasantias:hover .category-title,
    .extension-accordion .ext-cat-pasantias:hover .accordion-arrow {
        color: #0f5132 !important;
    }

    /* 4. Complemento (Naranja suave) */
    .extension-accordion .ext-cat-complemento {
        background-color: #fff9e6 !important;
    }

    .extension-accordion .ext-cat-complemento .category-icon,
    .extension-accordion .ext-cat-complemento .category-title,
    .extension-accordion .ext-cat-complemento .accordion-arrow {
        color: #d97706 !important;
    }

    .extension-accordion .ext-cat-complemento:hover {
        box-shadow: 0 8px 24px rgba(217, 119, 6, 0.08);
    }

    .extension-accordion .ext-cat-complemento:hover .category-icon,
    .extension-accordion .ext-cat-complemento:hover .category-title,
    .extension-accordion .ext-cat-complemento:hover .accordion-arrow {
        color: #b45309 !important;
    }

    /* 5. Asistencia (Celeste suave) */
    .extension-accordion .ext-cat-asistencia {
        background-color: #f0fdfa !important;
    }

    .extension-accordion .ext-cat-asistencia .category-icon,
    .extension-accordion .ext-cat-asistencia .category-title,
    .extension-accordion .ext-cat-asistencia .accordion-arrow {
        color: #0d9488 !important;
    }

    .extension-accordion .ext-cat-asistencia:hover {
        box-shadow: 0 8px 24px rgba(13, 148, 136, 0.08);
    }

    .extension-accordion .ext-cat-asistencia:hover .category-icon,
    .extension-accordion .ext-cat-asistencia:hover .category-title,
    .extension-accordion .ext-cat-asistencia:hover .accordion-arrow {
        color: #0f766e !important;
    }

    /* Tarjeta Unificada de Contacto */
    .student-card-modern {
        background: #ffffff;
        border: 1px solid #eef2f5;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
        transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), border-color 0.3s ease !important;
    }

    .student-card-modern:hover {
        box-shadow: 0 12px 24px rgba(17, 17, 17, 0.08) !important;
        border-color: rgba(245, 168, 0, 0.3) !important;
    }

    .btn-calendar-download {
        display: inline-flex;
        align-items: center;
        padding: 10px 22px;
        border: 2px solid #111111 !important;
        color: #111111 !important;
        font-size: 13px;
        font-weight: 700;
        text-transform: uppercase;
        border-radius: 6px;
        text-decoration: none;
        background-color: transparent;
        transition: all 0.3s ease !important;
        font-family: "Montserrat", sans-serif;
    }

    .btn-calendar-download:hover {
        background-color: #F5A800 !important;
        border-color: #F5A800 !important;
        color: #ffffff !important;
    }

    /* Botón personalizado negro con hover amarillo institucional UTN */
    .btn-dark-custom {
        background-color: #111111;
        color: #ffffff;
        border: none;
        padding: 10px 20px;
        transition: all 0.3s ease;
    }

    .btn-dark-custom:hover {
        background-color: #F5A800;
        /* Institutional UTN Yellow/Orange */
        color: #111111;
    }

    .site-main-content:has(.extension-contact-footer) {
        display: flex;
        flex-direction: column;
    }

    .extension-contact-footer {
        flex-shrink: 0;
        margin-top: auto !important;
    }


    @media (max-width: 991.98px) {

        html,
        body {
            overflow-x: visible !important;
        }

        .extension-nav-wrapper {
            top: 0;
            /* pegado justo bajo el header */
            /* Fallback si JS no ha cargado */
        }

        .extension-nav-container {
            gap: 8px;
            overflow-x: auto;
            white-space: normal;
            /* permitir salto de línea */
            flex-wrap: wrap;
            justify-content: center;
            /* centrar en móvil */
            padding: 6px 10px;
            -webkit-overflow-scrolling: touch;
            text-align: center;
        }

        .extension-nav-btn {
            padding: 6px 10px;
            font-size: 11px;
            white-space: normal;
            text-align: center;
        }

        section.extension-section {
            scroll-margin-top: 130px;
            padding: 60px 0;
        }
    }