/* Centro de Lenguas Extranjeras — página institucional */

.cle-page {
    /* Colores oficiales TecNM */
    --cle-blue: #1b396a;
    --cle-blue-dark: #102849;
    --cle-blue-soft: #eef2f8;
    --cle-gray: #807e82;
    --cle-black: #000000;
    --cle-text: #1b396a;
    --cle-muted: #807e82;
    --cle-border: rgba(27, 57, 106, 0.14);
    --cle-shadow: 0 1rem 2.5rem rgba(27, 57, 106, 0.12);
    --cle-radius: 1rem;
    color: var(--cle-text);
}

/* Hero */
.cle-hero {
    background: #ffffff;
    border-bottom: 1px solid var(--cle-border);
}

.cle-hero-top {
    padding: 1.5rem 0 1.25rem;
}

.cle-hero-intro {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.25rem;
}

.cle-hero-showcase {
    width: 100%;
    background: #f5f6f8;
    padding: 0;
    line-height: 0;
}

.cle-hero-image {
    display: block;
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    object-position: center top;
}

.cle-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--cle-muted);
}

.cle-breadcrumb a {
    color: var(--cle-blue);
    text-decoration: none;
}

.cle-breadcrumb a:hover,
.cle-breadcrumb a:focus {
    color: var(--cle-blue-dark);
    text-decoration: underline;
}

.cle-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    background: var(--cle-blue-soft);
    border: 1px solid var(--cle-border);
    color: var(--cle-blue);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 0.85rem;
}

.cle-hero-title {
    font-size: clamp(1.75rem, 3.5vw, 2.6rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 0.65rem;
    color: var(--cle-blue-dark);
    max-width: 20ch;
}

.cle-hero-lead {
    font-size: clamp(0.98rem, 1.8vw, 1.1rem);
    line-height: 1.6;
    color: var(--cle-muted);
    max-width: 42rem;
    margin-bottom: 0;
}

.cle-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* Botones */
.cle-btn-primary,
.cle-btn-outline,
.cle-btn-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.25rem;
    border-radius: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.cle-btn-primary {
    background: var(--cle-blue);
    color: #fff;
    border: 1px solid var(--cle-blue);
}

.cle-btn-primary:hover,
.cle-btn-primary:focus {
    background: var(--cle-blue-dark);
    border-color: var(--cle-blue-dark);
    color: #fff;
    transform: translateY(-1px);
}

.cle-btn-outline {
    background: #fff;
    color: var(--cle-blue);
    border: 1px solid rgba(27, 57, 106, 0.28);
}

.cle-btn-outline:hover,
.cle-btn-outline:focus {
    background: var(--cle-blue-soft);
    color: var(--cle-blue-dark);
    border-color: var(--cle-blue);
}

.cle-btn-download {
    background: var(--cle-blue);
    color: #fff;
    border: 1px solid var(--cle-blue);
}

.cle-btn-download:hover,
.cle-btn-download:focus {
    background: var(--cle-blue-dark);
    border-color: var(--cle-blue-dark);
    color: #fff;
}

/* Subnavegación */
.cle-subnav {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--cle-border);
    box-shadow: 0 0.25rem 1rem rgba(27, 57, 106, 0.06);
}

.cle-subnav-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    list-style: none;
    margin: 0;
    padding: 0.85rem 0;
}

.cle-subnav-list a {
    color: var(--cle-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.35rem 0;
    border-bottom: 2px solid transparent;
}

.cle-subnav-list a:hover,
.cle-subnav-list a:focus {
    color: var(--cle-blue-dark);
    border-bottom-color: var(--cle-blue);
}

/* Stats */
.cle-stats {
    padding: 2rem 0 0.5rem;
}

.cle-stat-card {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    height: 100%;
    padding: 1.35rem 1.4rem;
    background: #fff;
    border: 1px solid var(--cle-border);
    border-radius: var(--cle-radius);
    box-shadow: var(--cle-shadow);
}

.cle-stat-icon {
    flex: 0 0 auto;
    width: 3rem;
    height: 3rem;
    border-radius: 0.85rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--cle-blue-soft);
    color: var(--cle-blue);
    font-size: 1.2rem;
}

.cle-stat-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0 0 0.35rem;
    color: var(--cle-blue-dark);
}

.cle-stat-text {
    margin: 0;
    color: var(--cle-muted);
    font-size: 0.95rem;
    line-height: 1.55;
}

/* Secciones */
.cle-section {
    padding: 4.5rem 0;
}

.cle-section-alt {
    background: linear-gradient(180deg, #ffffff 0%, #f5f6f8 100%);
}

.cle-section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--cle-gray);
    margin-bottom: 0.75rem;
}

.cle-section-title {
    font-size: clamp(1.75rem, 3vw, 2.35rem);
    font-weight: 800;
    color: var(--cle-blue-dark);
    margin-bottom: 1rem;
}

.cle-section-text {
    color: var(--cle-muted);
    font-size: 1.05rem;
    line-height: 1.7;
    max-width: 38rem;
}

.cle-section-header {
    max-width: 42rem;
    margin: 0 auto 1rem;
}

/* Tarjetas informativas */
.cle-info-card {
    height: 100%;
    padding: 1.5rem;
    background: #fff;
    border: 1px solid var(--cle-border);
    border-radius: var(--cle-radius);
    box-shadow: 0 0.75rem 1.75rem rgba(27, 57, 106, 0.06);
}

.cle-info-card-icon {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--cle-blue);
    color: #fff;
    margin-bottom: 1rem;
}

.cle-info-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--cle-blue-dark);
    margin-bottom: 0.75rem;
}

.cle-info-card p {
    margin: 0;
    color: var(--cle-muted);
    line-height: 1.65;
    font-size: 0.98rem;
}

/* Cursos */
.cle-course-card {
    height: 100%;
    background: #fff;
    border: 1px solid var(--cle-border);
    border-radius: calc(var(--cle-radius) + 0.15rem);
    overflow: hidden;
    box-shadow: var(--cle-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.cle-course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 1.25rem 2.75rem rgba(27, 57, 106, 0.16);
}

.cle-course-image-wrap {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--cle-blue-soft);
}

.cle-course-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cle-course-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: var(--cle-blue);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.cle-course-body {
    padding: 1.5rem;
}

.cle-course-body h3 {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--cle-blue-dark);
    margin-bottom: 0.75rem;
}

.cle-course-body p {
    color: var(--cle-muted);
    line-height: 1.65;
    margin-bottom: 1rem;
}

.cle-course-features {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.55rem;
}

.cle-course-features li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--cle-text);
    font-size: 0.95rem;
}

.cle-course-features i {
    color: var(--cle-blue);
}

/* Documento / lineamientos */
.cle-doc-list {
    list-style: none;
    margin: 1.5rem 0 0;
    padding: 0;
    display: grid;
    gap: 0.85rem;
}

.cle-doc-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--cle-text);
    font-weight: 500;
}

.cle-doc-list i {
    width: 1.5rem;
    color: var(--cle-blue);
}

.cle-document-card {
    height: 100%;
    background: #fff;
    border: 1px solid var(--cle-border);
    border-radius: calc(var(--cle-radius) + 0.15rem);
    overflow: hidden;
    box-shadow: var(--cle-shadow);
}

.cle-document-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, var(--cle-blue) 0%, var(--cle-blue-dark) 100%);
    color: #fff;
}

.cle-document-card-header p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.92rem;
}

.cle-document-icon {
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 0.85rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.14);
    font-size: 1.35rem;
}

.cle-document-preview {
    background: #f3f4f8;
    border-bottom: 1px solid var(--cle-border);
}

.cle-document-frame {
    width: 100%;
    height: 24rem;
    border: 0;
    display: block;
    background: #fff;
}

.cle-document-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
}

.cle-document-actions .cle-btn-primary {
    background: var(--cle-blue);
    color: #fff;
    border-color: var(--cle-blue);
}

.cle-document-actions .cle-btn-primary:hover,
.cle-document-actions .cle-btn-primary:focus {
    background: var(--cle-blue-dark);
    border-color: var(--cle-blue-dark);
    color: #fff;
}

.cle-document-actions .cle-btn-outline {
    color: var(--cle-blue);
    border-color: rgba(27, 57, 106, 0.25);
    background: #fff;
}

.cle-document-actions .cle-btn-outline:hover,
.cle-document-actions .cle-btn-outline:focus {
    background: var(--cle-blue-soft);
    color: var(--cle-blue-dark);
    border-color: var(--cle-blue);
}

/* Contacto */
.cle-contact-panel {
    padding: 2rem;
    border-radius: calc(var(--cle-radius) + 0.25rem);
    background: #fff;
    border: 1px solid var(--cle-border);
    box-shadow: var(--cle-shadow);
}

.cle-contact-actions {
    display: grid;
    gap: 0.75rem;
}

.cle-contact-actions .cle-btn-outline {
    color: var(--cle-blue);
    border-color: rgba(27, 57, 106, 0.25);
    background: #fff;
}

.cle-contact-actions .cle-btn-outline:hover,
.cle-contact-actions .cle-btn-outline:focus {
    background: var(--cle-blue-soft);
    color: var(--cle-blue-dark);
}

/* Modal */
.cle-modal-content {
    border: 0;
    overflow: hidden;
    border-radius: 1rem;
}

.cle-modal-header {
    background: linear-gradient(135deg, var(--cle-blue) 0%, var(--cle-blue-dark) 100%);
    color: #fff;
    border-bottom: 0;
}

.cle-modal-frame {
    width: 100%;
    height: 75vh;
    border: 0;
    display: block;
}

.cle-modal-footer {
    background: #f8f9ff;
    border-top: 1px solid var(--cle-border);
}

/* Responsive */
@media (max-width: 991.98px) {
    .cle-hero-intro {
        flex-direction: column;
        align-items: flex-start;
    }

    .cle-stats {
        padding-top: 1.5rem;
    }
}

@media (max-width: 575.98px) {
    .cle-section {
        padding: 3.25rem 0;
    }

    .cle-hero-actions {
        width: 100%;
        flex-direction: column;
    }

    .cle-hero-actions .btn {
        width: 100%;
    }

    .cle-document-frame {
        height: 18rem;
    }

    .cle-document-actions {
        flex-direction: column;
    }

    .cle-document-actions .btn {
        width: 100%;
    }

    .cle-contact-panel {
        padding: 1.25rem;
    }
}

/* Alto contraste del sitio */
.high-contrast .cle-page {
    --cle-blue-soft: #111;
    --cle-border: #fff;
}

.high-contrast .cle-hero-overlay {
    display: none;
}

.high-contrast .cle-stat-card,
.high-contrast .cle-info-card,
.high-contrast .cle-course-card,
.high-contrast .cle-document-card,
.high-contrast .cle-contact-panel {
    background: #111 !important;
    color: #fff !important;
}

.high-contrast .cle-section-alt {
    background: #000 !important;
}