html{scroll-behavior:smooth}:root{--primary-color:#4a90e2;--background-color:#0d1117;--card-background-color:#161b22;--text-color:#c9d1d9;--heading-color:#f0f6fc;--border-color:#30363d;--accent-color:#58a6ff}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background-color);color:var(--text-color);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;font-size:16px;line-height:1.7}.container{margin:0 auto;max-width:1200px;padding:0 20px}section{padding:80px 0}h1,h2,h3{color:var(--heading-color);font-weight:600;line-height:1.3}h1{font-size:3.5rem;margin-bottom:20px}h2{font-size:2.5rem;margin-bottom:25px;text-align:center}h3{color:var(--accent-color);font-size:1.5rem}h3,p{margin-bottom:15px}.section-intro{color:var(--text-color);font-size:1.1rem;margin-bottom:60px;margin-left:auto;margin-right:auto;max-width:800px;text-align:center}strong{color:var(--accent-color)}.button,strong{font-weight:600}.button{border-radius:8px;display:inline-block;padding:12px 28px;text-decoration:none;transition:all .3s ease}.button-primary{background-color:var(--primary-color);color:#fff}.button-primary:hover{background-color:var(--accent-color);box-shadow:0 8px 20px #4a90e24d;transform:translateY(-2px)}.button-secondary{background-color:transparent;border:1px solid var(--border-color);color:var(--heading-color)}.button-secondary:hover{background-color:var(--card-background-color);border-color:var(--accent-color)}.anchor-section{scroll-margin-top:80px}@media (max-width:992px){h1{font-size:2.8rem}h2{font-size:2rem}}@media (max-width:768px){section{padding:60px 0}h1{font-size:2.2rem}}