*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #2563eb;--primary-dark: #1e40af;--secondary: #8b5cf6;--dark: #0f172a;--dark-light: #1e293b;--text: #e2e8f0;--text-muted: #94a3b8;--accent: #06b6d4}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,var(--dark) 0%,var(--dark-light) 100%);color:var(--text);line-height:1.6;overflow-x:hidden}html{scroll-behavior:smooth}section{max-width:1200px;margin:0 auto;padding:6rem 2rem}h2{font-size:2.5rem;margin-bottom:3rem;text-align:center;position:relative}h2:after{content:"";position:absolute;bottom:-10px;left:50%;transform:translate(-50%);width:100px;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px}.btn{display:inline-block;padding:1rem 2rem;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;text-decoration:none;border-radius:50px;font-weight:600;transition:transform .3s,box-shadow .3s;box-shadow:0 4px 15px #2563eb66;border:none;cursor:pointer;font-family:inherit;font-size:1rem}.btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #2563eb99}@media (max-width: 768px){h2{font-size:2rem}section{padding:4rem 1.5rem}}