:root{--primary-color: #2c3e50;--secondary-color: #3498db;--background-color: #f8f9fa;--surface-color: #ffffff;--text-color: #34495e;--heading-color: #2c3e50;--border-color: #dee2e6;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--box-shadow: 0 4px 6px rgba(0, 0, 0, .1);--border-radius: 8px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-family);line-height:1.7;background-color:var(--background-color);color:var(--text-color);display:flex;flex-direction:column;min-height:100vh}.container{width:90%;max-width:1200px;margin:0 auto}h1,h2,h3,h4,h5,h6{color:var(--heading-color);line-height:1.3;margin-bottom:1rem}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}p{margin-bottom:1rem}a{color:var(--secondary-color);text-decoration:none;transition:color .3s ease}a:hover,a:focus{color:#2980b9;text-decoration:underline}ul{list-style-position:inside}header{background-color:var(--surface-color);padding:1.5rem 0;box-shadow:var(--box-shadow);position:sticky;top:0;z-index:100}header .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}.site-title{font-size:1.8rem;font-weight:700;color:var(--primary-color)}.site-title:hover{text-decoration:none;color:var(--secondary-color)}nav ul{list-style:none;display:flex;gap:2rem}nav a{font-weight:600;font-size:1.1rem;color:var(--text-color)}nav a.active,nav a:hover{color:var(--secondary-color);text-decoration:none}.main-container{display:grid;grid-template-columns:1fr;gap:2rem;padding:2rem 0;flex:1}main{background:var(--surface-color);padding:2rem;border-radius:var(--border-radius);box-shadow:var(--box-shadow)}.hero h1{color:var(--primary-color)}.hero .intro{font-size:1.2rem;color:#555}.articles-section h2{text-align:center;margin-bottom:2rem;border-bottom:2px solid var(--border-color);padding-bottom:1rem}.articles-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}.article-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--border-radius);padding:1.5rem;display:flex;flex-direction:column;transition:transform .3s ease,box-shadow .3s ease}.article-card:hover{transform:translateY(-5px);box-shadow:0 8px 15px #0000001a}.article-card h3{margin-top:0;color:var(--primary-color)}.article-card p{flex-grow:1}.read-more{font-weight:700;align-self:flex-start}.article-header{border-bottom:1px solid var(--border-color);margin-bottom:2rem;padding-bottom:1rem}.article-header h1{margin-bottom:.5rem}.article-meta{font-size:.9rem;color:#777}.article-content h2{margin-top:2rem;border-bottom:2px solid var(--secondary-color);padding-bottom:.5rem}.article-content ul{margin:1rem 0;padding-left:1.5rem}.article-content li{margin-bottom:.5rem}.cta-section{background-color:#eaf5ff;border-left:5px solid var(--secondary-color);padding:1.5rem;margin:2rem 0;border-radius:var(--border-radius)}.cta-section p{margin:0;font-size:1.1rem;font-weight:500}aside{position:sticky;top:120px;align-self:start}.sidebar-widget{background:var(--surface-color);padding:1.5rem;margin-bottom:2rem;border-radius:var(--border-radius);box-shadow:var(--box-shadow)}.sidebar-widget h3{margin-top:0;border-bottom:2px solid var(--border-color);padding-bottom:.5rem}.sidebar-widget ul{list-style:none}.sidebar-widget ul li{margin-bottom:.5rem}.sidebar-widget ul li a:before{content:"›";margin-right:8px;color:var(--secondary-color)}.sidebar-widget.promo{background-color:var(--secondary-color);color:#fff}.sidebar-widget.promo h3{color:#fff;border-bottom-color:#ffffff80}.sidebar-widget.promo a{color:#fff;font-weight:700;text-decoration:underline}footer{background-color:var(--primary-color);color:#ecf0f1;padding:2rem 0;text-align:center;margin-top:auto}footer .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}footer a{color:#ecf0f1}footer a:hover{color:#fff}@media (min-width: 600px){.articles-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width: 900px){.main-container{grid-template-columns:2.5fr 1fr}.articles-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width: 768px){header .container{flex-direction:column;gap:1rem}nav ul{gap:1.5rem}h1{font-size:2rem}h2{font-size:1.75rem}}@media (max-width: 480px){body{font-size:15px}nav ul{gap:1rem}nav a{font-size:1rem}.container{width:95%}main,aside .sidebar-widget{padding:1.5rem}footer .container{flex-direction:column}}