/* Blog Section - SEO optimized */
.blog {
    padding: 80px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f4f7fa 100%);
}

body.dark-mode .blog {
    background: linear-gradient(135deg, #121212 0%, #1e1e1e 100%);
}

.blog-intro {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 40px;
    color: var(--gray-color);
    font-size: 1rem;
    line-height: 1.7;
}

body.dark-mode .blog-intro {
    color: #bbb;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.blog-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

body.dark-mode .blog-card {
    background: #222;
    border-color: #333;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(108, 99, 255, 0.2);
}

.blog-image {
    position: relative;
    height: 190px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.blog-image-1 { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.blog-image-2 { background: linear-gradient(135deg, #0f2027 0%, #2c5364 100%); }
.blog-image-3 { background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%); }
.blog-image-4 { background: linear-gradient(135deg, #fc4a1a 0%, #f7b733 100%); }
.blog-image-5 { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.blog-image-6 { background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%); }

.blog-image i {
    font-size: 3.5rem;
    color: rgba(255, 255, 255, 0.95);
}

.blog-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 6px 12px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
}

.blog-content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-meta {
    display: flex;
    gap: 15px;
    font-size: 0.8rem;
    color: var(--gray-color);
    margin-bottom: 12px;
}

.blog-meta span i {
    margin-right: 5px;
    color: var(--primary-color);
}

.blog-content h3 {
    font-size: 1.08rem;
    line-height: 1.5;
    margin-bottom: 12px;
    color: var(--dark-color);
    font-weight: 600;
}

body.dark-mode .blog-content h3 {
    color: #fff;
}

.blog-card:hover .blog-content h3 {
    color: var(--primary-color);
}

.blog-excerpt {
    font-size: 0.92rem;
    line-height: 1.7;
    color: #555;
    margin-bottom: 15px;
}

body.dark-mode .blog-excerpt {
    color: #bbb;
}

.blog-full {
    display: none;
    font-size: 0.92rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 15px;
}

body.dark-mode .blog-full {
    color: #bbb;
}

.blog-full h4 {
    font-size: 0.95rem;
    margin: 14px 0 8px;
    color: var(--dark-color);
}

body.dark-mode .blog-full h4 {
    color: #eee;
}

.blog-full ul {
    padding-left: 20px;
    margin: 8px 0 12px;
}

.blog-full ul li {
    margin-bottom: 6px;
}

.blog-card.expanded .blog-full {
    display: block;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.blog-tags span {
    font-size: 0.72rem;
    background: rgba(108, 99, 255, 0.1);
    color: var(--primary-color);
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 500;
}

body.dark-mode .blog-tags span {
    background: rgba(108, 99, 255, 0.2);
}

.blog-read-more {
    margin-top: auto;
    align-self: flex-start;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.blog-read-more:hover {
    background: var(--primary-color);
    color: #fff;
}

/* Keyword cloud for extra SEO */
.blog-keywords-cloud {
    margin-top: 45px;
    text-align: center;
    padding: 30px;
    background: rgba(108, 99, 255, 0.05);
    border-radius: 15px;
    border: 1px dashed rgba(108, 99, 255, 0.3);
}

body.dark-mode .blog-keywords-cloud {
    background: rgba(108, 99, 255, 0.08);
}

.blog-keywords-cloud h4 {
    font-size: 1rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

body.dark-mode .blog-keywords-cloud h4 {
    color: #fff;
}

.blog-keywords-cloud p {
    font-size: 0.85rem;
    line-height: 2;
    color: var(--gray-color);
}

.blog-keywords-cloud p strong {
    color: var(--primary-color);
    font-weight: 600;
}

@media (max-width: 992px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .blog {
        padding: 60px 0;
    }
    .blog-grid {
        grid-template-columns: 1fr;
    }
    .blog-image {
        height: 170px;
    }
}