*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#2563eb;--accent-color:#66cc7a;--text-dark:#0f172a;--text-muted:#64748b;--bg-light:#f8fafc;--white:#fff;--shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06)}body{background-color:var(--bg-light);color:var(--text-dark);line-height:1.6;-webkit-font-smoothing:antialiased}.blog-container{min-height:100vh}.navbar{background:var(--white);border-bottom:1px solid #e2e8f0;position:-webkit-sticky;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.05)}.nav-content{max-width:1300px;margin:0 auto;padding:1rem 1.5rem;display:flex;justify-content:space-between;align-items:center}.nav-logo{font-size:1.5rem;font-weight:800;letter-spacing:-.5px;color:var(--text-dark)}.main-wrapper{max-width:1300px;margin:0 auto;padding:2rem 1.5rem}.content-grid{display:grid;grid-template-columns:1fr 380px;grid-gap:2.5rem;gap:2.5rem}.article-main{background:var(--white);padding:2.5rem;border-radius:12px;box-shadow:var(--shadow)}.article-image{width:100%;height:450px;object-fit:cover;border-radius:8px;margin-bottom:2rem}.category-badge{background:#eff6ff;color:var(--primary-color);padding:.5rem 1rem;border-radius:50px;font-size:.8rem;font-weight:700;text-transform:uppercase}.article-title{font-size:2.5rem;margin:1.5rem 0;line-height:1.2;font-weight:800}.article-meta{justify-content:space-between;padding:1.5rem 0;border-top:1px solid #f1f5f9;border-bottom:1px solid #f1f5f9;margin-bottom:2rem}.article-meta,.author-info{display:flex;align-items:center}.author-info{gap:1rem}.avatar{width:50px;height:50px;background:var(--primary-color);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem}.author-details h4{font-size:1rem;font-weight:700}.author-details p{font-size:.85rem;color:var(--text-muted)}.article-content{font-size:1.15rem;color:#334155;line-height:1.8}.article-content h3{font-size:1.8rem;margin:2.5rem 0 1rem;color:var(--text-dark)}.article-content p{margin-bottom:1.5rem}.article-content li{margin-left:1.5rem;margin-bottom:.8rem;padding-left:.5rem}.sidebar{position:-webkit-sticky;position:sticky;top:100px;height:-moz-fit-content;height:fit-content}.search-input{width:100%;padding:1rem;border:2px solid #e2e8f0;border-radius:8px;font-size:1rem;margin-bottom:2rem;transition:.3s}.search-input:focus{border-color:var(--primary-color);outline:none;background:var(--white)}.articles-list{display:flex;flex-direction:column;gap:1rem}.article-card{background:var(--white);padding:1.25rem;border-radius:8px;cursor:pointer;border:1px solid transparent;transition:.3s ease;box-shadow:0 2px 4px rgba(0,0,0,.04)}.article-card:hover{transform:translateX(5px);border-color:var(--primary-color)}.article-card.active{background:#f0f7ff;border-left:5px solid var(--primary-color)}.card-title{font-size:1rem;font-weight:700;margin-bottom:.5rem;line-height:1.4}.card-meta{font-size:.8rem;color:var(--text-muted);font-weight:500}.mobile-menu-btn{display:none;background:var(--primary-color);color:#fff;border:none;padding:.6rem 1.2rem;border-radius:6px;font-weight:600}@media (max-width:1100px){.content-grid{grid-template-columns:1fr}.sidebar{display:none}.mobile-menu-btn{display:block}.article-image{height:350px}}@media (max-width:768px){.article-main{padding:1.5rem}.article-title{font-size:1.8rem}.article-image{height:250px}.article-meta{flex-direction:column;align-items:flex-start;gap:1rem}.nav-logo{font-size:1.2rem}}@media (max-width:480px){.main-wrapper{padding:1rem}.article-content{font-size:1rem}.article-title{font-size:1.5rem}}