:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--primary-color: #2c3e50;--accent-color: #3498db;--bg-color: #f4f4f9;--text-color: #333;--border-soft: #ddd}:root.dark{--primary-color: #bb86fc;--accent-color: #03dac6;--bg-color: #121212;--text-color: #ffffff;--border-soft: #333333}body{margin:0;font-family:Poppins,sans-serif;background-color:var(--bg-color);background-image:radial-gradient(var(--border-soft) 1px,transparent 0);background-size:40px 40px;color:var(--text-color);transition:background-color .3s,color .3s}.container{max-width:900px;margin:0 auto;padding:20px;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:calc(100vh - 120px)}.navbar{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:2px solid var(--border-soft)}.nav-links a{margin:0 15px;color:var(--text-color);text-decoration:none;font-weight:500;transition:color .3s}.nav-links a:hover{color:var(--primary-color)}.logo{font-weight:700;font-size:1.5rem;color:var(--primary-color);transition:transform .3s}.logo:hover{transform:scale(1.05)}button{background:none;border:1px solid var(--primary-color);padding:5px 10px;margin-left:10px;cursor:pointer;border-radius:4px;color:var(--primary-color);transition:background-color .3s,color .3s}button:hover,.active-lang{background-color:var(--primary-color);color:var(--bg-color)}.hero{text-align:center;padding:60px 20px}.card{background:#1e1e1e;padding:30px;margin-bottom:20px;border-radius:8px;box-shadow:0 2px 5px #0000001a;border:1px solid var(--border-soft);width:100%;max-width:600px;text-align:center}ul{list-style-type:none;padding-left:0}li{margin-bottom:10px}footer{text-align:center;margin-top:40px;color:#777;font-size:.9rem}@media(max-width:768px){.navbar{flex-direction:column}.nav-links,.nav-buttons{margin-top:20px}}