:root{--color-primary: #3178c6;--color-primary-dark: #235a97;--color-primary-light: #4a90d9;--color-bg: #ffffff;--color-bg-alt: #f7f7f7;--color-bg-code: #1e1e1e;--color-text: #1a1a1a;--color-text-light: #6b6b6b;--color-text-inverse: #ffffff;--color-success: #4caf50;--color-error: #f44336;--color-warning: #ff9800;--color-code-keyword: #569cd6;--color-code-string: #ce9178;--color-code-number: #b5cea8;--color-code-function: #dcdcaa;--color-code-type: #4ec9b0;--color-code-comment: #6a9955;--color-code-property: #9cdcfe;--color-code-error: #f48771;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 2rem;--spacing-xl: 4rem;--font-sans: "Segoe UI Web (West European)", "Segoe UI", -apple-system, system-ui, Roboto, "Helvetica Neue", sans-serif;--font-mono: Menlo, Monaco, Consolas, "Andale Mono", "Ubuntu Mono", "Courier New", monospace;--max-width: 1200px;--header-height: 60px;--border-radius: 4px;--border-radius-lg: 8px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;overflow-x:hidden}body{font-family:var(--font-sans);font-size:16px;line-height:1.6;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-weight:200;line-height:1.3}h1{font-size:2.5rem;font-weight:200}h2{font-size:2rem;font-weight:200}h3{font-size:1.25rem;font-weight:400}p{margin-bottom:var(--spacing-md)}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}code,pre{font-family:var(--font-mono)}code{background:var(--color-bg-alt);padding:.2em .4em;border-radius:var(--border-radius);font-size:.9em}pre{background:var(--color-bg-code);color:var(--color-text-inverse);padding:var(--spacing-md);border-radius:var(--border-radius-lg);overflow-x:auto;font-size:.9rem;line-height:1.5}pre code{background:none;padding:0;font-size:inherit}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-lg)}.text-center{text-align:center}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-lg);border:none;border-radius:var(--border-radius);font-family:var(--font-sans);font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s,transform .1s}.btn:hover{text-decoration:none}.btn:active{transform:scale(.98)}.btn-primary{background:var(--color-bg);color:var(--color-primary)}.btn-primary:hover{background:var(--color-bg-alt)}.btn-outline{background:transparent;color:var(--color-text-inverse);border:2px solid var(--color-text-inverse)}.btn-outline:hover{background:#ffffff1a}