/* Estilos para la sección de cursos */
.courses-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--elon-secondary) 0%, var(--elon-dark) 100%);
    position: relative;
    overflow: hidden;
}

.courses-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1454165804606-c3d57bc86b40?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') center/cover no-repeat;
    opacity: 0.05;
    z-index: 0;
}

.section-title {
    color: var(--elon-primary);
    margin-bottom: 50px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--elon-accent);
    border-radius: 2px;
}

/* Grid principal con estructura de 5 columnas */
.courses-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* Estilos de las tarjetas */
.course-card {
    background: rgba(31, 27, 45, 0.8);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    border: 1px solid rgba(75, 202, 240, 0.2);
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    height: 100%; /* Asegura que todas las tarjetas tengan la misma altura */
}

.course-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border-color: var(--elon-primary);
}

.course-image {
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    width: 100%;
    aspect-ratio: 16/9; /* Mantiene la proporción 16:9 para todas las imágenes */
}

.course-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 60%, rgba(0,0,0,0.8) 100%);
    z-index: 1;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.8s ease;
    display: block; /* Elimina espacio extra debajo de la imagen */
}
@media (max-width: 1200px) {
    .course-image {
        aspect-ratio: 4/3; /* Proporción ligeramente más cuadrada en tablets */
    }
}

@media (max-width: 768px) {
    .course-image {
        aspect-ratio: 16/9; /* Vuelve a 16:9 en móviles */
        max-height: 200px; /* Limita la altura máxima en móviles */
    }
}

@media (max-width: 576px) {
    .course-image {
        aspect-ratio: 1.5/1; /* Proporción intermedia para móviles pequeños */
    }
}

.course-card:hover .course-image img {
    transform: scale(1.1) rotate(1deg);
}

.course-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1; /* Hace que el contenido ocupe el espacio restante */
}

.course-category {
    position: absolute;
    top: -15px;
    left: 20px;
    background: var(--elon-primary);
    color: var(--elon-secondary);
    padding: 5px 15px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(75, 202, 240, 0.4);
    z-index: 2;
}

.course-title {
    font-size: 1.1rem;
    margin: 15px 0 10px;
    color: white;
    font-weight: 600;
    line-height: 1.3;
    position: relative;
    padding-bottom: 10px;
    flex-grow: 0;
}

.course-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--elon-primary);
}

.course-description {
    color: #B8B8B8;
    margin-bottom: 20px;
    font-size: 0.85rem;
    line-height: 1.5;
    flex-grow: 1; /* Hace que la descripción ocupe el espacio disponible */
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: flex-end; /* Alinea los elementos al fondo */
    margin-top: auto; /* Empuja el meta hacia abajo */
    flex-grow: 0;
}

.course-duration {
    display: flex;
    align-items: center;
    color: var(--elon-primary);
    font-weight: 600;
    font-size: 0.8rem;
    white-space: nowrap; /* Evita saltos de línea */
}

.course-duration i {
    margin-right: 5px;
    font-size: 1rem;
}

.course-button {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    background: var(--elon-primary);
    color: var(--elon-secondary);
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    font-size: 0.8rem;
    box-shadow: 0 4px 15px rgba(75, 202, 240, 0.3);
    white-space: nowrap; /* Evita saltos de línea */
}

.course-button:hover {
    background: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(75, 202, 240, 0.4);
    color: var(--elon-dark) !important;
}

/* Colores diferentes para cada categoría */
.course-card:nth-child(1) .course-category {
    background: #FF6B6B;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.course-card:nth-child(2) .course-category {
    background: #4ECDC4;
    box-shadow: 0 4px 15px rgba(78, 205, 196, 0.4);
}

.course-card:nth-child(3) .course-category {
    background: #45B7D1;
    box-shadow: 0 4px 15px rgba(69, 183, 209, 0.4);
}

.course-card:nth-child(4) .course-category {
    background: #FFA07A;
    box-shadow: 0 4px 15px rgba(255, 160, 122, 0.4);
}

.course-card:nth-child(5) .course-category {
    background: #98D8C8;
    box-shadow: 0 4px 15px rgba(152, 216, 200, 0.4);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .courses-container {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 992px) {
    .courses-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .courses-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .courses-container {
        grid-template-columns: 1fr;
    }
    
    .course-card {
        max-width: 350px;
        margin: 0 auto;
    }
}