:root{--bg-color: #121212;--surface-color: #1e1e1e;--primary-color: #00c6ff;--secondary-color: #0072ff;--text-color: #e0e0e0;--text-muted: #888;--heading-color: #ffffff;--border-color: #333;--font-family: "Poppins", sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-color);line-height:1.7;font-size:16px}.container{max-width:1200px;margin:0 auto;padding:0 2rem}h1,h2,h3,h4{color:var(--heading-color);font-weight:600;line-height:1.2;margin-bottom:1rem}h1{font-size:3rem;font-weight:700}h2{font-size:2.25rem;border-bottom:2px solid var(--primary-color);display:inline-block;padding-bottom:.5rem;margin-bottom:2rem}h3{font-size:1.5rem}h4{font-size:1.2rem;color:var(--primary-color)}p{margin-bottom:1.5rem}a{color:var(--primary-color);text-decoration:none;transition:color .2s ease-in-out}a:hover{color:var(--secondary-color)}ul{list-style:none}.site-header{background-color:#1e1e1ecc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);padding:1rem 0;position:sticky;top:0;z-index:100}.header-container{display:flex;justify-content:space-between;align-items:center}.site-logo{font-size:1.75rem;font-weight:700;color:var(--heading-color)}.site-logo:hover{color:var(--primary-color)}.main-navigation ul{display:flex;gap:1.5rem}.main-navigation a{color:var(--text-color);font-weight:600;padding:.5rem 0;position:relative}.main-navigation a:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background-color:var(--primary-color);transition:width .3s ease}.main-navigation a:hover:after,.main-navigation a.active:after{width:100%}.hero{text-align:center;padding:4rem 0}.subtitle{font-size:1.2rem;color:var(--text-muted);max-width:700px;margin:0 auto}.subtitle a{font-weight:600}.main-layout{display:grid;grid-template-columns:1fr;gap:3rem;margin-top:2rem}@media (min-width: 992px){.main-layout{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)}}.article-card{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:8px;padding:1.5rem;display:flex;flex-direction:column;transition:transform .3s ease,border-color .3s ease}.article-card:hover{transform:translateY(-5px);border-color:var(--primary-color)}.article-card h3{margin-bottom:.75rem}.article-card p{flex-grow:1;color:var(--text-muted)}.btn-read-more{background-color:var(--primary-color);color:#111;padding:.75rem 1.5rem;border-radius:5px;font-weight:600;text-align:center;align-self:flex-start;transition:background-color .3s ease}.btn-read-more:hover{background-color:var(--secondary-color);color:#fff}.sidebar .widget{background-color:var(--surface-color);padding:1.5rem;border-radius:8px;border:1px solid var(--border-color);margin-bottom:2rem}.widget-list li{padding:.5rem 0;border-bottom:1px solid var(--border-color)}.widget-list li:last-child{border-bottom:none}.widget-list a{display:block}.site-footer{background-color:var(--surface-color);text-align:center;padding:2rem;margin-top:4rem;border-top:1px solid var(--border-color)}.footer-nav{margin-bottom:1rem;display:flex;justify-content:center;gap:1.5rem;flex-wrap:wrap}.site-footer p{color:var(--text-muted);font-size:.9rem;margin-bottom:0}.page-header,.article-header{padding:3rem 0;text-align:center;border-bottom:1px solid var(--border-color);margin-bottom:2rem}.article-meta{color:var(--text-muted);font-style:italic}.article-content ul,.article-content ol{margin-left:1.5rem;margin-bottom:1.5rem}.article-content ul li{list-style-type:disc;margin-bottom:.5rem}.article-content ol li{list-style-type:decimal;margin-bottom:.5rem}.cta-box{background-color:var(--surface-color);border-left:4px solid var(--primary-color);padding:2rem;margin:2.5rem 0;border-radius:5px}.contact-form{margin-top:2rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600}.form-group input,.form-group textarea{width:100%;padding:.8rem 1rem;background-color:#333;border:1px solid var(--border-color);border-radius:5px;color:var(--text-color);font-family:inherit;font-size:1rem}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color)}.btn-submit{display:inline-block;background:var(--primary-color);color:#111;padding:.8rem 1.75rem;border-radius:5px;border:none;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .3s ease}.btn-submit:hover:not(:disabled){background:var(--secondary-color);color:#fff}.btn-submit:disabled{background:#555;cursor:not-allowed;color:#999}@media (max-width: 768px){h1{font-size:2.5rem}h2{font-size:1.8rem}.container{padding:0 1rem}.header-container{flex-direction:column;gap:1rem}.main-navigation ul{justify-content:center;flex-wrap:wrap}.hero{padding:2rem 0}.articles-grid{grid-template-columns:1fr}}