:root{--bg-color: #121212;--surface-color: #1e1e1e;--primary-color: #bb86fc;--secondary-color: #03dac6;--text-color: #e0e0e0;--text-muted-color: #a0a0a0;--border-color: #333333;--font-family: "Poppins", sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-family);line-height:1.7}.container{width:90%;max-width:1200px;margin:0 auto}a{color:var(--primary-color);text-decoration:none;transition:color .3s ease}a:hover{color:var(--secondary-color)}img{max-width:100%;height:auto;display:block}h1,h2,h3{line-height:1.3;margin-bottom:1rem;font-weight:600}h1{font-size:2.5rem}h2{font-size:1.75rem}h3{font-size:1.25rem}.site-header{background-color:var(--surface-color);padding:1rem 0;border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100}.site-header .container{display:flex;justify-content:space-between;align-items:center}.logo a{font-size:1.8rem;font-weight:700;color:var(--text-color)}.logo a:hover{color:var(--primary-color)}.main-nav ul{list-style:none;display:flex;gap:1.5rem}.main-nav a{font-weight:400;color:var(--text-muted-color);position:relative;padding:.5rem 0}.main-nav a:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background-color:var(--primary-color);transition:width .3s ease}.main-nav a:hover,.main-nav a.active{color:var(--text-color)}.main-nav a:hover:after,.main-nav a.active:after{width:100%}main.container{padding:2rem 0;display:grid;grid-template-columns:1fr;gap:2rem}@media(min-width:992px){main.container{grid-template-columns:3fr 1fr}}.articles-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}@media(min-width:768px){.articles-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1200px){.articles-grid{grid-template-columns:repeat(3,1fr)}}.article-card{background-color:var(--surface-color);border-radius:8px;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease;border:1px solid var(--border-color)}.article-card:hover{transform:translateY(-5px);box-shadow:0 10px 20px #0003}.article-card a{color:var(--text-color)}.card-img{width:100%;height:200px;object-fit:cover}.card-content{padding:1.5rem}.card-category{display:inline-block;background-color:var(--primary-color);color:#000;padding:.2rem .6rem;border-radius:4px;font-size:.75rem;font-weight:600;margin-bottom:.75rem;text-transform:uppercase}.card-content h2{font-size:1.25rem;margin-bottom:.5rem}.card-content p{font-size:.9rem;color:var(--text-muted-color)}.page-header{margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.article-list .article-card{grid-column:span 2}@media(min-width:1200px){.article-list{grid-template-columns:repeat(2,1fr)}}.article-content{background-color:var(--surface-color);padding:2rem;border-radius:8px;border:1px solid var(--border-color)}.article-meta{margin-bottom:1.5rem;color:var(--text-muted-color)}.article-meta span{margin-right:1rem}.article-full-image{width:100%;height:auto;max-height:400px;object-fit:cover;border-radius:8px;margin-bottom:2rem}.article-body p{margin-bottom:1.5rem}.article-body h3{margin-top:2rem}.sidebar .promo-box,.sidebar .related-articles{background-color:var(--surface-color);padding:1.5rem;border-radius:8px;border:1px solid var(--border-color)}.sidebar h3{border-bottom:2px solid var(--primary-color);padding-bottom:.5rem;display:inline-block}.sidebar p{color:var(--text-muted-color)}.related-articles ul{list-style:none}.related-articles li{margin-top:1rem;border-bottom:1px solid var(--border-color);padding-bottom:1rem}.related-articles li:last-child{border-bottom:none;padding-bottom:0}.related-articles a{font-weight:600}.site-footer{background-color:var(--surface-color);text-align:center;padding:2rem 0;margin-top:2rem;border-top:1px solid var(--border-color);color:var(--text-muted-color)}