@import url('https://fonts.googleapis.com/css2?family=Work+Sans:wght@400;500;600;700&display=swap');

/* Estilos Generales */
.arn-lenguas-container {
    font-family: 'Work Sans', sans-serif;
    color: #4b4b4b;
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

.main-title {
    text-align: center;
    color: #004b87;
    font-weight: 700;
    margin-bottom: 40px;
    font-size: 2.2rem;
}

/* Tarjetas de Documentos */
.documentos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    margin-bottom: 60px;
}

.tarjeta-doc-completa {
    background-color: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #eaeaea;
}

.tarjeta-doc-completa:hover, .tarjeta-doc-completa:focus-within {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.img-tarjeta {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 3px solid #004b87;
}

.contenido-tarjeta {
    padding: 20px 15px;
    text-align: center;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
    align-items: center;
}

.contenido-tarjeta h3 {
    color: #4b4b4b;
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: 600;
}

.btn-descarga,
.btn-descarga:link,
.btn-descarga:visited {
    display: inline-block;
    background-color: #004b87;
    color: #ffffff !important;
    padding: 10px 20px;
    border-radius: 30px;
    text-decoration: none !important;
    font-weight: 500;
    font-size: 0.9rem;
    transition: background-color 0.3s ease;
    width: 85%;
}

.btn-descarga:hover, 
.btn-descarga:focus,
.btn-descarga:active {
    background-color: #3366cc;
    color: #ffffff !important;
    text-decoration: none !important;
    outline: none;
}

/* --- VIDEOS GRANDES DESTACADOS --- */
.seccion-videos-amplios {
    margin-top: 40px;
}

.bloque-video-destacado {
    max-width: 850px;
    margin: 0 auto 40px auto;
    text-align: center;
}

.video-titulo {
    color: #004b87;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.video-intro {
    font-size: 1.1rem;
    color: #555555;
    margin-top: 0;
    margin-bottom: 20px;
    line-height: 1.5;
}

.video-mensaje {
    font-size: 0.98rem;
    color: #666666;
    margin-top: 15px;
    font-style: italic;
    line-height: 1.5;
}

/* Contenedor de Video de Gran Tamaño Manteniendo Proporción 16:9 */
.video-responsive-grande {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    background-color: #000000;
}

.video-responsive-grande iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Línea divisoria elegante entre videos */
.separador-video {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, rgba(0,0,0,0), rgba(0,75,135,0.25), rgba(0,0,0,0));
    margin: 50px auto;
    max-width: 600px;
}

/* Ajustes adicionales para pantallas móviles */
@media (max-width: 600px) {
    .video-titulo {
        font-size: 1.4rem;
    }
    
    .video-intro {
        font-size: 1rem;
    }

    .arn-lenguas-container {
        padding: 10px;
    }
}