/**
 * KUROGAMI PORTFOLIO - BLOG PAGE STYLES
 * 
 * Estilos específicos para a página do blog
 * Design cyberpunk elegante com sistema de filtros
 * 
 * @author Kurogami
 * @version 1.0
 */

/* ===== HERO SECTION ===== */
.blog-hero {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    padding: 8rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(147, 51, 234, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

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

.blog-hero .hero-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border-radius: 50%;
    margin: 0 auto 2rem;
    color: white;
    box-shadow: 0 20px 40px rgba(147, 51, 234, 0.3);
}

.blog-hero .hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-hero .hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.blog-hero .hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

/* ===== BLOG STATS ===== */
.blog-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.blog-stats .stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    min-width: 150px;
}

.blog-stats .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-purple);
    margin-bottom: 0.5rem;
}

.blog-stats .stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* ===== FEATURED POSTS ===== */
.featured-posts {
    padding: 4rem 0;
    background: var(--bg-dark);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.title-icon {
    font-size: 2rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

/* ===== POST CARDS ===== */
.post-card {
    background: var(--bg-darker);
    border-radius: 20px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.post-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-purple);
}

.post-card.featured {
    border-color: var(--accent-yellow);
}

.post-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-yellow), var(--accent-red));
    z-index: 2;
}

.card-image {
    height: 250px;
    overflow: hidden;
    position: relative;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.featured-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, var(--accent-yellow), var(--accent-red));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 3;
}

.card-content {
    padding: 2rem;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.category-badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: white;
}

.category-badge.category-tutorials {
    background: var(--accent-red);
}

.category-badge.category-process {
    background: var(--accent-blue);
}

.category-badge.category-culture {
    background: var(--accent-green);
}

.category-badge.category-tools {
    background: var(--accent-yellow);
    color: var(--bg-dark);
}

.category-badge.category-industry {
    background: var(--accent-purple);
}

.date {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.card-title a:hover {
    color: var(--accent-purple);
}

.card-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.card-stats {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.stat svg {
    color: var(--accent-purple);
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background: rgba(147, 51, 234, 0.1);
    color: var(--accent-purple);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.btn-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    color: white;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn-read-more:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(147, 51, 234, 0.4);
}

/* ===== BLOG MAIN SECTION ===== */
.blog-main {
    padding: 4rem 0;
    background: var(--bg-darker);
}

/* ===== BLOG FILTERS ===== */
.blog-filters {
    margin-bottom: 3rem;
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.filters-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.btn-filters {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-filters:hover {
    border-color: var(--accent-purple);
    color: var(--accent-purple);
}

.search-box {
    position: relative;
    margin-bottom: 1.5rem;
}

.search-box input {
    width: 100%;
    background: var(--bg-dark);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1rem 1rem 3rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.category-filters.show {
    max-height: 200px;
}

.filter-btn {
    background: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.75rem 1.25rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.filter-btn:hover {
    border-color: var(--accent-purple);
    color: var(--accent-purple);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    border-color: var(--accent-purple);
    color: white;
    box-shadow: 0 5px 15px rgba(147, 51, 234, 0.3);
}

.filter-btn.category-red {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.filter-btn.category-red:hover,
.filter-btn.category-red.active {
    background: var(--accent-red);
    color: white;
}

.filter-btn.category-blue {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.filter-btn.category-blue:hover,
.filter-btn.category-blue.active {
    background: var(--accent-blue);
    color: white;
}

.filter-btn.category-green {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.filter-btn.category-green:hover,
.filter-btn.category-green.active {
    background: var(--accent-green);
    color: white;
}

.filter-btn.category-yellow {
    border-color: var(--accent-yellow);
    color: var(--accent-yellow);
}

.filter-btn.category-yellow:hover,
.filter-btn.category-yellow.active {
    background: var(--accent-yellow);
    color: var(--bg-dark);
}

.filter-btn.category-purple {
    border-color: var(--accent-purple);
    color: var(--accent-purple);
}

.filter-btn.category-purple:hover,
.filter-btn.category-purple.active {
    background: var(--accent-purple);
    color: white;
}

.results-counter {
    color: var(--text-muted);
    font-weight: 600;
}

.results-counter span {
    color: var(--accent-purple);
    font-weight: 700;
}

/* ===== POSTS GRID ===== */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .blog-hero {
        padding: 6rem 0 3rem;
    }
    
    .blog-hero .hero-title {
        font-size: 2.5rem;
    }
    
    .blog-hero .hero-icon {
        width: 80px;
        height: 80px;
    }
    
    .blog-stats {
        gap: 1.5rem;
    }
    
    .featured-grid {
        grid-template-columns: 1fr;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .filters-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-filters {
        justify-content: center;
    }
    
    .category-filters {
        justify-content: center;
    }
    
    .card-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .card-stats {
        justify-content: space-between;
    }
}

@media (max-width: 480px) {
    .blog-hero .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .card-content {
        padding: 1.5rem;
    }
    
    .card-title {
        font-size: 1.25rem;
    }
    
    .filters-title {
        font-size: 1.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
    
    .card-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}