:root{--bg-color:#fff;--text-color:#1a1a1a;--primary-color:#000;--secondary-color:#f7f7f7;--accent-color:#06f;--border-color:#eaeaea;--card-bg:#fff;--glass-bg:#ffffffb3;--glass-border:#0000000d;--shadow:0 4px 30px #0000000d;--transition:all .3s cubic-bezier(.4, 0, .2, 1);--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--radius:12px}@media (prefers-color-scheme:dark){:root{--bg-color:#0a0a0a;--text-color:#f5f5f5;--primary-color:#fff;--secondary-color:#1f1f1f;--accent-color:#38f;--border-color:#333;--card-bg:#141414;--glass-bg:#141414b3;--glass-border:#ffffff0d;--shadow:0 8px 32px #00000080}}[data-theme=light]{--bg-color:#fff;--text-color:#1a1a1a;--primary-color:#000;--secondary-color:#f7f7f7;--accent-color:#06f;--border-color:#eaeaea;--card-bg:#fff;--glass-bg:#ffffffb3;--glass-border:#0000000d;--shadow:0 4px 30px #0000000d}[data-theme=dark]{--bg-color:#0a0a0a;--text-color:#f5f5f5;--primary-color:#fff;--secondary-color:#1f1f1f;--accent-color:#38f;--border-color:#333;--card-bg:#141414;--glass-bg:#141414b3;--glass-border:#ffffff0d;--shadow:0 8px 32px #00000080}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-family);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;perspective:1000px;line-height:1.6;transition:background-color .3s,color .3s;overflow-x:hidden}a{color:inherit;transition:var(--transition);text-decoration:none}button,.btn{font-family:var(--font-family);cursor:pointer;transition:var(--transition);background:0 0;border:none;outline:none}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;margin-bottom:.5em;font-weight:700;line-height:1.2}h1{font-size:3.5rem}h2{font-size:2.5rem}h3{font-size:1.75rem}.container{max-width:1200px;margin:0 auto;padding:0 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