:root{--primary-color: #2c3e50;--accent-color: #3498db;--text-color: #333;--light-bg: #f8f9fa;--border-color: #e0e0e0;--shadow: 0 2px 8px rgba(0, 0, 0, .1);--transition: all .3s ease}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text-color);line-height:1.6;background-color:#fff}header{background-color:var(--primary-color);color:#fff;position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}.navbar{padding:1rem 0}.nav-container{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;color:#fff;text-decoration:none;transition:var(--transition)}.logo:hover{color:var(--accent-color)}.nav-links{display:flex;list-style:none;gap:2rem}.nav-links a{color:#fff;text-decoration:none;transition:var(--transition);font-weight:500}.nav-links a:hover{color:var(--accent-color)}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.hero{background:linear-gradient(135deg,var(--primary-color) 0%,var(--accent-color) 100%);color:#fff;padding:6rem 2rem;text-align:center;margin-bottom:4rem}.hero h1{font-size:3rem;margin-bottom:1rem;animation:slideInDown .6s ease}.hero p{font-size:1.3rem;opacity:.9;animation:slideInUp .6s ease .2s both}@keyframes slideInDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.blog-section{padding:2rem 0;margin-bottom:4rem}.blog-section .container{display:grid;grid-template-columns:250px 1fr 250px;gap:3rem}.books .books-section{background:var(--light-bg);padding:1.5rem;border-radius:8px;border:1px solid var(--border-color)}.books h3{margin-bottom:1rem;color:var(--primary-color);font-size:1.1rem}.books ul{list-style:none}.books li{margin-bottom:.5rem}.sidebar{position:sticky;top:100px;height:fit-content}.categories{background:var(--light-bg);padding:1.5rem;border-radius:8px;border:1px solid var(--border-color)}.categories h3{margin-bottom:1rem;color:var(--primary-color);font-size:1.1rem}.categories ul{list-style:none}.categories li{margin-bottom:.5rem}.categories a{color:var(--accent-color);text-decoration:none;transition:var(--transition);display:inline-block}.categories a:hover{color:var(--primary-color);padding-left:.5rem}.posts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}.post-card{background:#fff;border:1px solid var(--border-color);border-radius:8px;overflow:hidden;transition:var(--transition);box-shadow:var(--shadow);cursor:pointer;display:flex;flex-direction:column;text-decoration:none;color:inherit}.post-card:hover{transform:translateY(-4px);box-shadow:0 4px 16px #00000026}.post-card-header{padding:1.5rem 1.5rem 0}.post-card h3{color:var(--primary-color);margin-bottom:.5rem;font-size:1.3rem;line-height:1.4}.post-card p{color:#666;font-size:.95rem;margin-bottom:1rem}.post-card-footer{padding:1rem 1.5rem 1.5rem;margin-top:auto;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--border-color)}.post-date{font-size:.85rem;color:#999}.category-tag{display:inline-block;background-color:var(--accent-color);color:#fff;padding:.3rem .8rem;border-radius:20px;font-size:.8rem;font-weight:600}.post-container{padding:4rem 0;margin-bottom:4rem}.post-header{margin-bottom:3rem;border-bottom:2px solid var(--border-color);padding-bottom:2rem}.post-header h1{font-size:2.5rem;color:var(--primary-color);margin-bottom:1rem;line-height:1.3}.post-meta{display:flex;gap:1.5rem;align-items:center;color:#666;font-size:.95rem}.post-content{font-size:1.1rem;line-height:1.8;color:var(--text-color)}.post-content h2{fontSize:1.8rem;color:var(--primary-color);margin-top:2rem;margin-bottom:1rem}.post-content h3{font-size:1.4rem;color:var(--primary-color);margin-top:1.5rem;margin-bottom:.8rem}.post-content p{margin-bottom:1.5rem}.post-content ul,.post-content ol{margin-left:2rem;margin-bottom:1.5rem}.post-content li{margin-bottom:.5rem}.post-content code{background-color:var(--light-bg);padding:.2rem .6rem;border-radius:4px;font-family:Monaco,Courier New,monospace;font-size:.9rem}.post-content pre{background-color:var(--primary-color);color:#fff;padding:1.5rem;border-radius:8px;overflow-x:auto;margin-bottom:1.5rem;font-size:.9rem}.post-content blockquote{border-left:4px solid var(--accent-color);padding-left:1.5rem;margin-left:0;margin-bottom:1.5rem;color:#666;font-style:italic}.related-posts{padding:3rem 0;background:var(--light-bg);margin-top:4rem}.related-posts h3{margin-bottom:2rem;color:var(--primary-color);font-size:1.5rem}.about-section,.contact-section{padding:4rem 0;margin-bottom:2rem}.about-section h2,.contact-section h2{color:var(--primary-color);font-size:2rem;margin-bottom:1.5rem}.about-section p,.contact-section p{font-size:1.1rem;line-height:1.8;color:#666;margin-bottom:1rem}.contact-links{display:flex;gap:1.5rem;margin-top:2rem}.contact-links a{display:inline-block;padding:.8rem 1.5rem;background-color:var(--accent-color);color:#fff;text-decoration:none;border-radius:4px;transition:var(--transition);font-weight:500}.contact-links a:hover{background-color:var(--primary-color);transform:translateY(-2px)}footer{background-color:var(--primary-color);color:#fff;text-align:center;padding:2rem;margin-top:4rem}@media(max-width:768px){.blog-section .container{grid-template-columns:1fr}.sidebar{position:static}.hero h1{font-size:2rem}.hero p{font-size:1.1rem}.nav-links{gap:1rem}.nav-links a{font-size:.9rem}.posts-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.post-header h1{font-size:1.8rem}.post-meta{flex-direction:column;align-items:flex-start;gap:.5rem}.contact-links{flex-direction:column}.contact-links a{width:100%;text-align:center}.form-row{grid-template-columns:1fr}}@media(max-width:480px){.nav-container{flex-direction:column;gap:1rem}.nav-links{gap:.5rem}.hero{padding:3rem 1rem}.hero h1{font-size:1.5rem}.container{padding:0 1rem}}.contact-form{margin-top:2rem;margin-bottom:2.5rem;background:#fff;border:1px solid var(--border-color);border-radius:8px;padding:2rem;box-shadow:var(--shadow);max-width:640px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}.form-group{display:flex;flex-direction:column;margin-bottom:1.2rem}.form-group label{font-size:.9rem;font-weight:600;color:var(--primary-color);margin-bottom:.4rem}.form-group input,.form-group textarea{padding:.7rem 1rem;border:1px solid var(--border-color);border-radius:6px;font-size:1rem;font-family:inherit;transition:border-color .2s,box-shadow 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