:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-tertiary: #1c2128;--border-color: #30363d;--text-primary: #e6edf3;--text-secondary: #8b949e;--accent-blue: #58a6ff;--accent-green: #39d353;--accent-red: #f85149;--accent-purple: #bc8cff;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", "SF Mono", "Consolas", monospace;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-primary);color:var(--text-primary)}code{font-family:var(--font-mono)}a{color:var(--accent-blue);text-decoration:none;transition:color .2s ease}a:hover{color:#79c0ff}section{max-width:1200px;margin:0 auto;padding:80px 20px}.btn{display:inline-block;padding:12px 28px;background-color:var(--accent-blue);color:var(--bg-primary);border:1px solid var(--accent-blue);border-radius:6px;font-weight:600;font-size:.95rem;cursor:pointer;transition:all .2s ease;text-decoration:none}.btn:hover{background-color:#79c0ff;border-color:#79c0ff;color:var(--bg-primary);transform:translateY(-1px)}.btn-outline{background-color:transparent;color:var(--accent-blue);border:1px solid var(--border-color)}.btn-outline:hover{background-color:var(--bg-secondary);border-color:var(--accent-blue);color:var(--accent-blue)}@media(max-width:768px){section{padding:50px 16px}}.header{background:var(--bg-secondary);color:var(--text-primary);padding:16px 0;position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--border-color)}.header-content{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center}.logo .logo-text{font-family:var(--font-mono);font-size:1.1rem;font-weight:700;letter-spacing:.5px;margin:0}.logo .logo-prefix{color:var(--accent-green)}.logo a{color:var(--text-primary);text-decoration:none}.logo a:hover{color:var(--accent-blue)}.nav{display:flex;gap:28px}.nav a{color:var(--text-secondary);font-weight:500;font-size:.9rem;transition:color .2s ease;text-decoration:none}.nav a:hover{color:var(--text-primary)}.menu-toggle{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer}@media(max-width:768px){.nav{position:absolute;top:100%;left:0;right:0;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);flex-direction:column;padding:20px;gap:15px;transform:translateY(-100%);opacity:0;visibility:hidden;transition:all .3s ease}.nav.active{transform:translateY(0);opacity:1;visibility:visible}.menu-toggle{display:block}}.footer{background:var(--bg-secondary);color:var(--text-primary);padding:60px 20px 20px;border-top:1px solid var(--border-color)}.footer-content{max-width:1200px;margin:0 auto 40px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}.footer-section h3{font-size:1.3rem;margin-bottom:12px;color:var(--text-primary);font-family:var(--font-mono)}.footer-section h4{font-size:1rem;margin-bottom:12px;color:var(--text-primary);font-weight:600}.footer-section p{color:var(--text-secondary);line-height:1.6;margin-bottom:16px;font-size:.9rem}.footer-section ul{list-style:none;padding:0}.footer-section ul li{margin-bottom:8px}.footer-section a{color:var(--text-secondary);transition:color .2s ease;font-size:.9rem}.footer-section a:hover{color:var(--accent-blue)}.social-links{display:flex;gap:12px}.social-links a{width:36px;height:36px;background-color:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.social-links a:hover{background-color:var(--accent-blue);border-color:var(--accent-blue)}.social-links svg{width:18px;height:18px;fill:var(--text-secondary)}.social-links a:hover svg{fill:var(--bg-primary)}.footer-bottom{max-width:1200px;margin:0 auto;padding-top:24px;border-top:1px solid var(--border-color);text-align:center}.footer-bottom p{color:var(--text-secondary);margin:4px 0;font-size:.85rem}.footer-bottom a{color:var(--accent-blue);text-decoration:none}.footer-bottom a:hover{color:#79c0ff}@media(max-width:968px){.footer-content{grid-template-columns:repeat(2,1fr)}}@media(max-width:568px){.footer-content{grid-template-columns:1fr}.footer{padding:40px 20px 20px}}