/* Wakao Blog Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.blog-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.blog-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.blog-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Blog Posts Grid */
.blog-posts {
    padding: 60px 0;
}

.blog-posts h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: #2c3e50;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.post-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.post-content {
    padding: 30px;
}

.post-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
    line-height: 1.4;
}

.post-excerpt {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #888;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.post-author {
    font-weight: 500;
}

.post-date {
    color: #999;
}

/* Newsletter Section */
.newsletter {
    background: white;
    padding: 50px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    text-align: center;
    margin: 60px 0;
}

.newsletter h3 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.newsletter p {
    color: #666;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid #e1e5e9;
    border-radius: 25px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.newsletter-form input:focus {
    border-color: #667eea;
}

.newsletter-form button {
    padding: 15px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.newsletter-form button:hover {
    transform: translateY(-2px);
}

/* Footer */
.blog-footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 40px 0;
}

.blog-footer p {
    margin-bottom: 10px;
}

.blog-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.blog-footer a:hover {
    text-decoration: underline;
}

/* Individual Blog Post Styles */
.blog-post {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    line-height: 1.8;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    margin-top: 40px;
}

.blog-post h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 20px;
    line-height: 1.3;
}

.post-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #ecf0f1;
    color: #7f8c8d;
    font-size: 1rem;
}

.post-excerpt {
    background: #f8f9fa;
    padding: 20px;
    border-left: 4px solid #667eea;
    margin: 30px 0;
    font-style: italic;
    color: #555;
    font-size: 1.1rem;
}

.post-content {
    color: #2c3e50;
    font-size: 1.1rem;
}

.post-content h2 {
    color: #34495e;
    margin: 40px 0 20px 0;
    font-size: 1.8rem;
}

.post-content h3 {
    color: #34495e;
    margin: 30px 0 15px 0;
    font-size: 1.4rem;
}

.post-content p {
    margin-bottom: 20px;
}

.post-content ul, .post-content ol {
    margin: 20px 0;
    padding-left: 30px;
}

.post-content li {
    margin-bottom: 8px;
}

.back-to-blog {
    display: inline-block;
    margin-bottom: 30px;
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    padding: 10px 20px;
    border: 2px solid #667eea;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.back-to-blog:hover {
    background: #667eea;
    color: white;
}

/* Loading Animation */
.loading {
    text-align: center;
    padding: 60px 0;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .blog-header h1 {
        font-size: 2rem;
    }
    
    .blog-header p {
        font-size: 1rem;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .post-content {
        padding: 20px;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form button {
        border-radius: 8px;
    }
    
    .blog-post {
        margin: 20px;
        padding: 20px;
    }
    
    .blog-post h1 {
        font-size: 2rem;
    }
    
    .post-meta {
        flex-direction: column;
        gap: 10px;
    }
}