:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-color: #6366f1;--accent-hover: #4f46e5;--font-main: "Inter", sans-serif;--transition-speed: .3s}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-main);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;padding-top:70px}a{text-decoration:none;color:inherit;transition:color var(--transition-speed)}ul{list-style:none}section{padding:5rem 2rem;max-width:1200px;margin:0 auto}h1,h2,h3,h4,h5,h6{line-height:1.2;margin-bottom:1rem}h2{font-size:2.5rem;text-align:center;margin-bottom:3rem;color:var(--accent-color)}h2:after{content:"";display:block;width:60px;height:4px;background:var(--accent-color);margin:1rem auto 0;border-radius:2px}.btn{display:inline-block;padding:.8rem 2rem;background:var(--accent-color);color:#fff;border-radius:50px;font-weight:600;border:none;cursor:pointer;transition:all var(--transition-speed)}.btn:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 4px 12px #6366f14d}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-secondary);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--accent-color)}