/* ====== CSS EXCLUSIVO PARA PÁGINA DE CONOCIMIENTO ====== */

/* Hero Conocimiento */
.knowledge-hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    padding-top: 150px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #e6f0ff 100%);
}

.knowledge-hero-content {
    max-width: 850px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.knowledge-hero h1 {
    font-size: 4rem;
    margin-bottom: 25px;
    line-height: 1.1;
}

.knowledge-hero p {
    font-size: 1.4rem;
    margin-bottom: 40px;
    color: var(--gray-color);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Categorías Conocimiento */
.knowledge-categories {
    position: relative;
    padding: 80px 0 60px;
    background: white;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.category-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 35px 25px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
    border: 1px solid rgba(0, 102, 204, 0.1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.category-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.category-card:hover:before {
    transform: scaleX(1);
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 102, 204, 0.15);
    border-color: rgba(0, 102, 204, 0.2);
}

.category-icon {
    font-size: 2.8rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.category-icon:after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    background: rgba(0, 160, 233, 0.1);
    border-radius: 50%;
    z-index: -1;
}

.category-card h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
    font-size: 1.4rem;
}

.category-count {
    color: var(--gray-color);
    font-size: 0.95rem;
    font-weight: 600;
}

/* Artículos Destacados */
.featured-articles {
    position: relative;
    padding: 100px 0;
    background: var(--light-bg);
}

.featured-articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
    margin-top: 50px;
}

.featured-article-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    border: 1px solid rgba(0, 102, 204, 0.1);
}

.featured-article-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 60px rgba(0, 102, 204, 0.12);
    border-color: rgba(0, 102, 204, 0.2);
}

.featured-article-image {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.featured-article-image:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
    mix-blend-mode: overlay;
}

.featured-article-card:hover .featured-article-image:before {
    opacity: 0.2;
}

.featured-article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s cubic-bezier(0.19, 1, 0.22, 1);
}

.featured-article-card:hover .featured-article-image img {
    transform: scale(1.1);
}

.featured-article-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-accent);
    color: white;
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    z-index: 2;
}

.featured-article-content {
    padding: 30px;
}

.featured-article-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
    line-height: 1.4;
}

.featured-article-content h3 a {
    text-decoration: none;
    color: inherit;
    display: block;
    transition: var(--transition);
}

.featured-article-content h3 a:hover {
    color: var(--secondary-color);
}

.featured-article-content p {
    color: var(--gray-color);
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.6;
}

.featured-article-meta {
    display: flex;
    justify-content: space-between;
    color: var(--gray-color);
    font-size: 0.9rem;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 102, 204, 0.05);
}

/* Lista de Artículos Completa */
.articles-list {
    position: relative;
    padding: 100px 0;
    background: white;
}

.articles-container {
    margin-top: 50px;
}

.article-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 35px;
    margin-bottom: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(0, 102, 204, 0.1);
    transition: var(--transition);
}

.article-item:hover {
    border-bottom-color: rgba(0, 102, 204, 0.3);
}

.article-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.article-thumbnail {
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
    height: 200px;
    box-shadow: var(--box-shadow);
}

.article-thumbnail:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
    mix-blend-mode: overlay;
}

.article-item:hover .article-thumbnail:before {
    opacity: 0.2;
}

.article-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s cubic-bezier(0.19, 1, 0.22, 1);
}

.article-item:hover .article-thumbnail img {
    transform: scale(1.05);
}

.article-content {
    padding: 10px 0;
}

.article-category {
    display: inline-block;
    background: rgba(0, 160, 233, 0.1);
    color: var(--secondary-color);
    padding: 6px 15px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 15px;
    border: 1px solid rgba(0, 160, 233, 0.2);
}

.article-content h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.article-content h3 a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.article-content h3 a:hover {
    color: var(--secondary-color);
}

.article-excerpt {
    color: var(--gray-color);
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.6;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    color: var(--gray-color);
    font-size: 0.9rem;
}

.article-read-time {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Paginación */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 70px;
    flex-wrap: wrap;
}

.page-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: white;
    color: var(--dark-color);
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
    border: 1px solid rgba(0, 102, 204, 0.1);
    box-shadow: var(--box-shadow);
}

.page-num:hover {
    transform: translateY(-3px);
    background: rgba(0, 102, 204, 0.05);
    color: var(--primary-color);
    border-color: rgba(0, 102, 204, 0.3);
    box-shadow: 0 15px 30px rgba(0, 102, 204, 0.15);
}

.page-num-current {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 10px 25px rgba(0, 102, 204, 0.2);
}

.page-num-current:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 102, 204, 0.3);
}

.page-num i {
    font-size: 1rem;
}

/* Suscripción */
.knowledge-subscription {
    position: relative;
    padding: 100px 0;
    background: linear-gradient(135deg, #0066cc 0%, #00a0e9 100%);
    overflow: hidden;
}

.subscription-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.subscription-content h2 {
    color: white;
    font-size: 2.8rem;
}

.subscription-content h2:after {
    background: white;
}

.subscription-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    margin-bottom: 40px;
}

.subscription-form {
    display: flex;
    gap: 15px;
    max-width: 600px;
    margin: 0 auto;
}

.subscription-form input {
    flex: 1;
    padding: 18px 25px;
    border-radius: 50px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.subscription-form input:focus {
    outline: none;
    border-color: white;
    background: rgba(255, 255, 255, 0.15);
}

.subscription-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.subscription-form .btn {
    background: white;
    color: var(--primary-color);
    font-weight: 700;
}

.subscription-form .btn:hover {
    background: var(--light-bg);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Responsive para conocimiento */
@media (max-width: 1200px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .featured-articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .article-item {
        grid-template-columns: 250px 1fr;
    }
    
    .subscription-content h2 {
        font-size: 2.4rem;
    }
}

@media (max-width: 992px) {
    .knowledge-hero h1 {
        font-size: 3rem;
    }
    
    .knowledge-hero p {
        font-size: 1.3rem;
    }
    
    .subscription-form {
        flex-direction: column;
        max-width: 400px;
    }
    
    .subscription-form input,
    .subscription-form .btn {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .categories-grid,
    .featured-articles-grid {
        grid-template-columns: 1fr;
    }
    
    .article-item {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .article-thumbnail {
        height: 250px;
    }
    
    .knowledge-hero h1 {
        font-size: 2.5rem;
    }
    
    .knowledge-hero p {
        font-size: 1.2rem;
    }
    
    .category-card,
    .featured-article-content {
        padding: 30px 20px;
    }
    
    .subscription-content h2 {
        font-size: 2rem;
    }
    
    .subscription-content p {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .article-meta {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .pagination {
        gap: 8px;
    }
    
    .page-num {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    .knowledge-hero h1 {
        font-size: 2.2rem;
    }
    
    .knowledge-hero {
        min-height: 60vh;
        padding-top: 130px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}