:root{--bg-color: #FAFAFA;--surface-color: #FFFFFF;--text-primary: #1A1A1A;--text-secondary: #5A5A5A;--border-color: #E0E0E0;--accent-color: #2D4A35;--focus-color: #2D4A35;--shadow-color: rgba(0, 0, 0, .05);--github-dark-display: block;--github-light-display: none;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-serif: "Georgia", "Times New Roman", serif;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg-color: #0F1110;--surface-color: #171A18;--text-primary: #F1F3F1;--text-secondary: #A8AFA9;--border-color: #343834;--accent-color: #95B09C;--focus-color: #B1C8B6;--shadow-color: rgba(0, 0, 0, .35);--github-dark-display: none;--github-light-display: block;color-scheme:dark}}:root[data-theme=dark]{--bg-color: #0F1110;--surface-color: #171A18;--text-primary: #F1F3F1;--text-secondary: #A8AFA9;--border-color: #343834;--accent-color: #95B09C;--focus-color: #B1C8B6;--shadow-color: rgba(0, 0, 0, .35);--github-dark-display: none;--github-light-display: block;color-scheme:dark}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);font-family:var(--font-sans);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .2s ease,color .2s ease}.container{max-width:800px;margin:0 auto;padding:max(4rem,env(safe-area-inset-top)) max(2rem,env(safe-area-inset-right)) max(4rem,env(safe-area-inset-bottom)) max(2rem,env(safe-area-inset-left))}.hero{position:relative;margin-bottom:3rem;border-bottom:1px solid var(--border-color);padding:0 4rem 2rem 0}.hero h1{font-size:2.5rem;font-weight:700;letter-spacing:-.02em;margin-bottom:.5rem}.subtitle{font-size:1.1rem;color:var(--text-secondary);font-weight:500;letter-spacing:.05em;text-transform:uppercase}.theme-toggle{position:absolute;top:0;right:0;display:inline-grid;width:44px;height:44px;place-items:center;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--text-secondary);font-family:Arial,sans-serif;font-size:1.25rem;line-height:1;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:color .2s ease,background-color .2s ease,border-color .2s ease}.theme-toggle[hidden]{display:none}@media (hover: hover){.theme-toggle:hover{color:var(--accent-color);border-color:var(--accent-color)}}.theme-toggle:focus-visible,.card:focus-visible,.footer-link:focus-visible{outline:2px solid var(--focus-color);outline-offset:3px}.about{font-size:clamp(1.0625rem,1rem + .25vw,1.1875rem);font-family:var(--font-serif);color:var(--text-primary);margin-bottom:4rem;line-height:1.72}.about p{text-wrap:pretty}.about p+p{margin-top:1.35em}.about .lede{line-height:1.6}.nodes h2{font-size:1.2rem;font-weight:600;margin-bottom:1.5rem;letter-spacing:.02em;text-transform:uppercase;color:var(--text-secondary)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.card{display:grid;grid-template-columns:4.75rem minmax(0,1fr);gap:1rem;align-items:center;padding:1.25rem;background:var(--surface-color);border:1px solid var(--border-color);border-radius:8px;text-decoration:none;color:inherit;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.card:hover{transform:translateY(-2px);box-shadow:0 4px 12px var(--shadow-color);border-color:var(--accent-color)}.card-icon{display:block;width:4.75rem;height:4.75rem;object-fit:contain}.github-icon{display:grid;place-items:center}.github-mark{grid-area:1 / 1;width:100%;height:100%;object-fit:contain}.github-mark-dark{display:var(--github-dark-display)}.github-mark-light{display:var(--github-light-display)}.card h3{font-size:1.1rem;font-weight:600;margin-bottom:.5rem;color:var(--text-primary)}.card p{font-size:.95rem;color:var(--text-secondary);line-height:1.5}footer{margin-top:5rem;padding-top:2rem;border-top:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.footer-links{display:flex;align-items:center;gap:.6rem}.footer-link{padding:0;border:0;background:none;color:var(--text-secondary);text-decoration:none;font-family:inherit;font-size:.9rem;font-weight:500;line-height:inherit;cursor:pointer;transition:color .2s ease}.footer-link[hidden],.footer-separator[hidden]{display:none}.footer-link:hover{color:var(--accent-color)}.footer-separator{color:var(--border-color)}.copyright{font-size:.85rem;color:var(--text-secondary)}@media (max-width: 600px){.container{padding:max(2rem,env(safe-area-inset-top)) max(1.5rem,env(safe-area-inset-right)) max(2rem,env(safe-area-inset-bottom)) max(1.5rem,env(safe-area-inset-left))}.hero h1{font-size:2rem}.grid{grid-template-columns:1fr}footer{flex-direction:column;align-items:flex-start;gap:1rem}}@media (prefers-reduced-motion: reduce){body,.theme-toggle,.card,.footer-link{transition:none}.card:hover{transform:none}}