:root{--primary-color: #2575fc;--secondary-color: #6a11cb;--header-bg: #2c3e50;--header-text: #ecf0f1;--text-color: #333;--bg-color: #ffffff;--light-gray: #f4f4f4;--border-color: #ddd;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--heading-font: "Georgia", serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);line-height:1.6;background-color:var(--bg-color);color:var(--text-color);font-size:16px}.container{max-width:1100px;margin:0 auto;padding:0 20px}h1,h2,h3,h4{font-family:var(--heading-font);line-height:1.3;margin-bottom:1rem;color:var(--header-bg)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}p{margin-bottom:1rem}a{color:var(--primary-color);text-decoration:none;transition:color .3s ease}a:hover{color:var(--secondary-color);text-decoration:underline}ul{list-style:none}.site-header{background-color:var(--header-bg);color:var(--header-text);padding:1rem 0;box-shadow:0 2px 5px #0000001a;position:sticky;top:0;z-index:1000}.header-content{display:flex;justify-content:space-between;align-items:center}.site-title{font-size:1.5rem;font-weight:700;color:var(--header-text)}.site-title:hover{color:var(--primary-color);text-decoration:none}.main-nav ul{display:flex}.main-nav li{margin-left:20px}.main-nav a{color:var(--header-text);padding:5px 10px;border-radius:5px}.main-nav a.active,.main-nav a:hover{background-color:var(--primary-color);color:#fff;text-decoration:none}.main-grid{display:grid;grid-template-columns:1fr;gap:30px;padding-top:2rem;padding-bottom:2rem}@media (min-width: 768px){.main-grid{grid-template-columns:3fr 1fr}}.intro h1{border-bottom:3px solid var(--primary-color);padding-bottom:10px;display:inline-block}.articles-section h2{text-align:center;margin-bottom:2rem}.articles-grid{display:grid;grid-template-columns:1fr;gap:20px}@media (min-width: 600px){.articles-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width: 900px){.articles-grid{grid-template-columns:repeat(3,1fr)}}.article-card{border:1px solid var(--border-color);border-radius:8px;padding:20px;box-shadow:0 2px 5px #0000000d;transition:transform .3s ease,box-shadow .3s ease;display:flex;flex-direction:column}.article-card:hover{transform:translateY(-5px);box-shadow:0 5px 15px #0000001a}.article-card h3{font-size:1.25rem;margin-bottom:.5rem}.article-card p{flex-grow:1;margin-bottom:1rem}.read-more{display:inline-block;background:var(--primary-color);color:#fff;padding:10px 15px;border-radius:5px;text-align:center;font-weight:700;align-self:flex-start}.read-more:hover{background:var(--secondary-color);color:#fff;text-decoration:none}.sidebar .widget{background:var(--light-gray);padding:20px;border-radius:8px;margin-bottom:20px}.widget-title{font-size:1.2rem;border-bottom:2px solid var(--border-color);padding-bottom:10px}.widget-list li{padding:8px 0;border-bottom:1px solid var(--border-color)}.widget-list li:last-child{border-bottom:none}.site-footer{background-color:var(--header-bg);color:var(--header-text);text-align:center;padding:2rem 0;margin-top:2rem}.footer-content{display:flex;flex-direction:column;align-items:center}.footer-links a{color:var(--header-text);margin:0 10px}.footer-links a:hover{color:var(--primary-color)}.copyright{margin-top:1rem;font-size:.9rem;opacity:.8}.article-header{margin-bottom:2rem;border-bottom:1px solid var(--border-color);padding-bottom:1rem}.article-meta{font-size:.9rem;color:#666;margin-top:-.5rem;margin-bottom:1rem}.article-content h2,.article-content h3{margin-top:2rem}.article-content ul,.article-content ol{margin-left:20px;margin-bottom:1rem}.article-content ul{list-style:disc}.article-content ol{list-style:decimal}.cta-box{background-color:var(--light-gray);border-left:5px solid var(--primary-color);padding:20px;margin:2rem 0;border-radius:5px}.contact-form{margin-top:2rem}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:5px;font-weight:700}.form-group input,.form-group textarea{width:100%;padding:10px;border:1px solid var(--border-color);border-radius:5px;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:#fff;padding:12px 20px;border-radius:5px;border:none;font-size:1rem;cursor:pointer;transition:background-color .3s ease}.btn-submit:hover{background:var(--secondary-color)}@media (max-width: 768px){h1{font-size:2rem}h2{font-size:1.75rem}.header-content{flex-direction:column}.main-nav ul{margin-top:1rem;flex-wrap:wrap;justify-content:center}.main-nav li{margin:5px}}