/* ========================================
   Blog Styles
   ======================================== */

/* Blog Hero */
.blog-hero {
    position: relative;
    background: var(--degradado-hero);
    padding: 150px 0 100px;
    color: var(--blanco);
    text-align: center;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path fill="%23ffffff" fill-opacity="0.05" d="M0,0 Q300,60 600,30 T1200,60 L1200,0 Z"/></svg>') repeat-x;
    background-size: 1200px 120px;
    animation: wave 20s linear infinite;
}

@keyframes wave {
    0% { background-position: 0 0; }
    100% { background-position: 1200px 0; }
}

.blog-hero-content {
    position: relative;
    z-index: 2;
}

.blog-hero .hero-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
}

.blog-hero .hero-subtitle {
    font-size: 20px;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.95;
}

/* Categories Filter */
.blog-categories {
    background: var(--blanco);
    padding: 30px 0;
    border-bottom: 1px solid #e0e6ed;
    position: sticky;
    top: 80px;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.categories-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.filter-btn {
    padding: 12px 30px;
    background: var(--blanco);
    border: 2px solid var(--azul-pucp-claro);
    color: var(--azul-pucp-claro);
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    background: var(--azul-pucp-claro);
    color: var(--blanco);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 102, 179, 0.3);
}

.filter-btn.active {
    background: var(--azul-pucp-claro);
    color: var(--blanco);
    box-shadow: 0 4px 15px rgba(0, 102, 179, 0.3);
}

/* Blog Articles Grid */
.blog-articles {
    background: var(--gris-claro);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

/* Blog Card */
.blog-card {
    background: var(--blanco);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

.blog-card-image {
    position: relative;
    height: 250px;
    background: var(--degradado-hero);
    overflow: hidden;
}

.blog-card-image .image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--degradado-hero);
}

.blog-card-image .image-placeholder i {
    font-size: 80px;
    color: rgba(255, 255, 255, 0.3);
}

.blog-category {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--dorado-pucp);
    color: var(--blanco);
    padding: 8px 20px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blog-card-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    color: var(--gris-medio);
    font-size: 13px;
}

.blog-meta i {
    margin-right: 5px;
}

.blog-card-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--azul-pucp-oscuro);
    margin-bottom: 15px;
    line-height: 1.4;
}

.blog-card-excerpt {
    color: var(--gris-medio);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}

.blog-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid #e0e6ed;
}

.blog-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--azul-pucp-claro);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blanco);
    font-size: 16px;
}

.blog-author span {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
    color: var(--azul-pucp-oscuro);
}

.blog-link {
    color: var(--azul-pucp-claro);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.blog-link:hover {
    color: var(--dorado-pucp);
    gap: 12px;
}

/* Pagination */
.blog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 60px;
}

.pagination-btn {
    padding: 12px 24px;
    background: var(--blanco);
    border: 2px solid var(--azul-pucp-claro);
    color: var(--azul-pucp-claro);
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--azul-pucp-claro);
    color: var(--blanco);
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    gap: 10px;
}

.pagination-number {
    width: 45px;
    height: 45px;
    border-radius: 8px;
    background: var(--blanco);
    border: 2px solid var(--azul-pucp-claro);
    color: var(--azul-pucp-claro);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
}

.pagination-number:hover,
.pagination-number.active {
    background: var(--azul-pucp-claro);
    color: var(--blanco);
}

/* Newsletter Section */
.blog-newsletter {
    background: var(--degradado-hero);
    color: var(--blanco);
    text-align: center;
}

.blog-newsletter .section-title,
.blog-newsletter .section-subtitle {
    color: var(--blanco);
}

.newsletter-content {
    max-width: 800px;
    margin: 0 auto;
}

.newsletter-form-large {
    display: flex;
    max-width: 600px;
    margin: 40px auto 0;
    gap: 15px;
}

.newsletter-form-large input {
    flex: 1;
    padding: 16px 24px;
    border-radius: 8px;
    border: 2px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.1);
    color: var(--blanco);
    font-size: 16px;
    transition: var(--transition);
}

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

.newsletter-form-large input:focus {
    outline: none;
    background: rgba(255,255,255,0.2);
    border-color: var(--dorado-pucp);
}

.newsletter-form-large .btn {
    padding: 16px 32px;
    white-space: nowrap;
}

/* Responsive */
@media (max-width: 768px) {
    .blog-hero .hero-title {
        font-size: 36px;
    }

    .blog-hero .hero-subtitle {
        font-size: 16px;
    }

    .articles-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .categories-filter {
        gap: 10px;
    }

    .filter-btn {
        padding: 10px 20px;
        font-size: 13px;
    }

    .blog-pagination {
        flex-wrap: wrap;
        gap: 15px;
    }

    .newsletter-form-large {
        flex-direction: column;
    }

    .blog-card-title {
        font-size: 20px;
    }

    .blog-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .blog-hero {
        padding: 120px 0 80px;
    }

    .blog-hero .hero-title {
        font-size: 28px;
    }

    .pagination-numbers {
        gap: 5px;
    }

    .pagination-number {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }

    .pagination-btn {
        padding: 10px 16px;
        font-size: 13px;
    }
}

/* Hidden class for filtering */
.blog-card.hidden {
    display: none;
}