/* ========================================
   Sección Bitácora (Blog) - Mejorada
   ======================================== */

.blog-section {
    padding: 6rem 0;
    position: relative; /* Necesario para el posicionamiento del pseudoelemento */
}

.blog-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--color-primary), 
        var(--color-secondary), 
        transparent);
    opacity: 0.2;
}

.blog-header {
    text-align: center;
    margin-bottom: 4rem;
}

.blog-header .section-title {
    font-size: 2.5rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.blog-header .section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.blog-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.blog-card {
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.blog-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.blog-card:hover .blog-card-image {
    transform: scale(1.05);
}

.blog-card-content {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-card-category {
    display: inline-block;
    background-color: rgba(123, 104, 196, 0.1);
    color: var(--color-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blog-card-title {
    font-size: 1.375rem;
    color: var(--color-text);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.blog-card-title a {
    color: inherit;
    text-decoration: none;
}

.blog-card-title a:hover {
    color: var(--color-primary);
}

.blog-card-excerpt {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.blog-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid #f0f0f0;
}

.blog-card-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.blog-card-author-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.blog-card-author-info span {
    display: block;
}

.author-name {
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.9rem;
}

.post-date {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.blog-card .btn-read-more {
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-card .btn-read-more .fa-arrow-right {
    transition: transform 0.3s ease;
}

.blog-card .btn-read-more:hover .fa-arrow-right {
    transform: translateX(4px);
}