:root{--primary-blue:#2563eb;--dark-blue:#1e3a8a;--light-gray:#f8fafc;--accent-gray:#64748b;--text-dark:#1e293b;--border-radius:12px;--box-shadow:0 4px 20px rgba(0,0,0,0.08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:'Inter',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif;line-height:1.6;color:var(--text-dark);background:var(--light-gray);-webkit-font-smoothing:antialiased;padding-top:80px}.ast-container{max-width:1200px;margin:0 auto;padding:0 15px}.main-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:linear-gradient(135deg,var(--dark-blue) 0%,var(--primary-blue) 100%);padding:12px 0;box-shadow:0 4px 12px rgba(0,0,0,0.1)}.breadcrumb{padding:20px 0;font-size:0.9rem;color:var(--accent-gray)}.breadcrumb a{color:var(--primary-blue);text-decoration:none}.breadcrumb span:last-child{color:var(--text-dark);font-weight:600}.post-featured-image{border-radius:var(--border-radius);overflow:hidden;margin-bottom:30px;box-shadow:var(--box-shadow)}.post-featured-image img{width:100%;height:auto;display:block}.post-header{margin-bottom:30px}.post-title{font-size:2.5rem;line-height:1.2;margin-bottom:15px;color:var(--dark-blue)}.post-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:0.9rem;color:var(--accent-gray);padding-bottom:20px;border-bottom:1px solid #e2e8f0}.meta-item{display:flex;align-items:center;gap:6px}.post-category{background:rgba(37,99,235,0.1);color:var(--primary-blue);padding:4px 12px;border-radius:20px;font-weight:600;text-decoration:none}.post-content{background:white;border-radius:var(--border-radius);padding:40px;box-shadow:var(--box-shadow);margin-bottom:40px;position:relative}.post-content::before{content:'';position:absolute;top:0;left:0;width:5px;height:100%;background:var(--primary-blue);border-radius:var(--border-radius) 0 0 var(--border-radius)}.post-content p{margin-bottom:1.5rem;font-size:1.1rem;line-height:1.8}.post-content h2,.post-content h3,.post-content h4{margin:2rem 0 1rem;color:var(--dark-blue);position:relative;padding-left:20px}.post-content h2::before{content:'';position:absolute;left:0;top:12px;width:8px;height:8px;background:var(--primary-blue);border-radius:50%}.post-content blockquote{border-left:3px solid var(--primary-blue);padding:15px 20px;margin:25px 0;background:rgba(37,99,235,0.03);font-style:italic;border-radius:0 var(--border-radius) var(--border-radius) 0}.post-tags{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0}.tag{background:rgba(37,99,235,0.1);color:var(--primary-blue);padding:6px 15px;border-radius:20px;font-size:0.9rem;text-decoration:none;transition:all 0.3s ease}.tag:hover{background:var(--primary-blue);color:white}.author-bio{background:white;border-radius:var(--border-radius);padding:30px;display:flex;gap:20px;align-items:center;margin-bottom:40px;box-shadow:var(--box-shadow)}.author-avatar{width:80px;height:80px;border-radius:50%;border:3px solid var(--primary-blue);overflow:hidden;flex-shrink:0}.author-info h3{margin-bottom:10px;color:var(--dark-blue)}.author-links{display:flex;gap:15px;margin-top:10px}.author-links a{color:var(--accent-gray);font-size:1.2rem;transition:color 0.3s ease}.author-links a:hover{color:var(--primary-blue)}.social-sharing{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0}.share-btn{display:flex;align-items:center;gap:8px;padding:8px 20px;border-radius:30px;text-decoration:none;color:white;font-weight:500;transition:transform 0.3s ease}.share-btn:hover{transform:translateY(-3px)}.facebook{background:#3b5998}.twitter{background:#1da1f2}.linkedin{background:#0077b5}.whatsapp{background:#25d366}.related-posts{margin-bottom:60px}.section-title{font-size:1.8rem;color:var(--dark-blue);margin-bottom:25px;position:relative;padding-bottom:15px}.section-title::after{content:'';position:absolute;bottom:0;left:0;width:60px;height:3px;background:var(--primary-blue)}.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:25px}.related-card{background:white;border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow);transition:transform 0.3s ease}.related-card:hover{transform:translateY(-5px)}.related-image{height:180px;overflow:hidden}.related-image img{width:100%;height:100%;object-fit:cover;transition:transform 0.3s ease}.related-card:hover .related-image img{transform:scale(1.05)}.related-content{padding:20px}.related-content h3{margin-bottom:10px;font-size:1.2rem}.related-content h3 a{color:var(--text-dark);text-decoration:none;transition:color 0.3s ease}.related-content h3 a:hover{color:var(--primary-blue)}.related-date{color:var(--accent-gray);font-size:0.85rem}.site-footer{background:#1a1f2e;color:white;padding:60px 0 20px}@media (max-width:1024px){.post-content{padding:30px}.post-title{font-size:2rem}}@media (max-width:768px){.post-content{padding:25px 20px}.post-title{font-size:1.8rem}.author-bio{flex-direction:column;text-align:center}.author-links{justify-content:center}}@media (max-width:480px){.post-title{font-size:1.6rem}.post-meta{flex-direction:column;gap:10px}.social-sharing{flex-direction:column}.share-btn{justify-content:center}}