:root{--primary-color: #00aaff;--primary-hover: #0077b3;--background-color: #121212;--surface-color: #1e1e1e;--text-color: #e0e0e0;--text-muted: #888888;--border-color: #333333;--header-font: "Poppins", sans-serif;--body-font: "Montserrat", sans-serif;--border-radius: 8px;--glow-shadow: 0 0 15px rgba(0, 170, 255, .5)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--body-font);font-size:16px;line-height:1.7;color:var(--text-color);background-color:var(--background-color)}a{color:var(--primary-color);text-decoration:none;transition:color .3s ease}a:hover{color:var(--primary-hover);text-decoration:none}h1,h2,h3,h4{font-family:var(--header-font);color:#fff;line-height:1.3;margin-bottom:1rem;font-weight:700}h1{font-size:2.8rem}h2{font-size:2.2rem}h3{font-size:1.6rem}p{margin-bottom:1rem;font-weight:400}ul,ol{list-style:none;margin-bottom:1rem}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{display:inline-block;padding:12px 24px;background-color:var(--primary-color);color:#fff;border-radius:var(--border-radius);font-weight:600;text-decoration:none;text-transform:uppercase;letter-spacing:1px;border:2px solid var(--primary-color);transition:background-color .3s ease,color .3s ease}.btn:hover{background-color:transparent;color:var(--primary-color)}.site-header{background-color:var(--surface-color);border-bottom:1px solid var(--border-color);padding:1.5rem 0;position:sticky;top:0;z-index:1000}.site-header .container{display:flex;justify-content:space-between;align-items:center}.site-header .logo a{font-family:var(--header-font);font-size:1.8rem;font-weight:700;color:#fff;text-decoration:none}.main-nav ul{display:flex;gap:25px;margin-bottom:0}.main-nav a{font-weight:500;padding-bottom:5px;color:var(--text-color);position:relative}.main-nav a:after{content:"";position:absolute;width:0;height:2px;bottom:0;left:0;background-color:var(--primary-color);transition:width .3s ease}.main-nav a:hover:after,.main-nav a.active:after{width:100%}.main-nav a.active{color:#fff}.page-content{display:grid;grid-template-columns:1fr;gap:40px;padding-top:3rem;padding-bottom:3rem}.content-area,.sidebar,.static-page{background:var(--surface-color);padding:2.5rem;border-radius:var(--border-radius);border:1px solid var(--border-color)}.intro{text-align:center;margin-bottom:3rem}.intro h1{color:var(--primary-color);font-size:3.5rem}.articles-grid h2{text-align:center;margin-bottom:2.5rem;font-weight:600}.articles-grid .grid{display:grid;grid-template-columns:1fr;gap:30px}.card{background-color:#252525;border:1px solid var(--border-color);border-radius:var(--border-radius);padding:2rem;display:flex;flex-direction:column;transition:box-shadow .3s ease,transform .3s ease}.card:hover{transform:translateY(-8px);box-shadow:var(--glow-shadow);border-color:var(--primary-color)}.card h3{color:#fff}.card p{flex-grow:1;color:var(--text-muted)}.sidebar .widget{margin-bottom:2.5rem}.sidebar .widget:last-child{margin-bottom:0}.sidebar .widget h3{border-bottom:2px solid var(--primary-color);padding-bottom:.5rem;margin-bottom:1.5rem}.sidebar .widget ul li{margin-bottom:1rem;border-bottom:1px solid var(--border-color);padding-bottom:1rem}.sidebar .widget ul li a:before{content:"→ ";color:var(--primary-color);font-weight:700}.sidebar .widget.promo{background:linear-gradient(135deg,#00aaff1a,#00aaff0d);border:1px solid var(--primary-color);padding:2rem;border-radius:var(--border-radius);text-align:center}.article-header{border-bottom:1px solid var(--border-color);margin-bottom:2rem;padding-bottom:1rem}.article-header h1,.static-page h1{font-size:3rem;color:#fff}.article-meta{font-style:italic;color:var(--text-muted);margin-bottom:1rem}.article-content h2,.article-content h3,.static-page h2,.static-page h3{margin-top:2.5rem}.article-content ul,.article-content ol,.static-page ul,.static-page ol{margin-left:20px;margin-bottom:1rem}.article-content ul li,.static-page ul li{list-style-type:none;position:relative;padding-left:25px}.article-content ul li:before,.static-page ul li:before{content:"✓";position:absolute;left:0;color:var(--primary-color);font-weight:700}.cta-box{background-color:var(--surface-color);border:1px solid var(--primary-color);padding:2rem;margin-top:3rem;border-radius:var(--border-radius);box-shadow:var(--glow-shadow)}.cta-box h3{color:var(--primary-color)}.site-footer{background:var(--surface-color);color:var(--text-muted);text-align:center;padding:3rem 0;margin-top:3rem;border-top:1px solid var(--border-color)}.site-footer a{color:var(--text-color)}.site-footer a:hover{color:var(--primary-color)}.site-footer .footer-links{margin-bottom:1rem}@media (min-width: 768px){.articles-grid .grid{grid-template-columns:repeat(2,1fr)}}@media (min-width: 992px){.page-content,.static-page-layout{grid-template-columns:2.5fr 1fr}}@media (min-width: 1200px){.articles-grid .grid{grid-template-columns:repeat(3,1fr)}}