:root{--color-bg:#ffffff;--color-bg-alt:#f4f6f8;--color-text:#1a1a1a;--color-text-muted:#4a4a4a;--color-accent:#0056b3;--color-accent-hover:#003d82;--color-border:#e0e3e7;--color-card-bg:#ffffff;--color-footer-bg:#1a1a1a;--color-footer-text:#f4f6f8;--max-width:860px;}@media (prefers-color-scheme:dark){:root{--color-bg:#121417;--color-bg-alt:#1b1e23;--color-text:#f0f0f0;--color-text-muted:#c2c2c2;--color-accent:#4da3ff;--color-accent-hover:#7cbcff;--color-border:#2a2d33;--color-card-bg:#1b1e23;--color-footer-bg:#0b0c0e;--color-footer-text:#e6e6e6;}}*{box-sizing:border-box;}html{scroll-behavior:smooth;}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.6;transition:background-color .2s ease,color .2s ease;}a{color:var(--color-accent);text-decoration:none;}a:hover,a:focus-visible{color:var(--color-accent-hover);text-decoration:underline;}a:focus-visible,button:focus-visible{outline:3px solid var(--color-accent);outline-offset:2px;}header.site-header{display:flex;align-items:center;gap:.75rem;padding:1.25rem 1.5rem;border-bottom:1px solid var(--color-border);max-width:var(--max-width);margin:0 auto;}header.site-header .logo{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.1rem;color:var(--color-text);text-decoration:none;}header.site-header .logo img{width:36px;height:36px;border-radius:8px;}main{max-width:var(--max-width);margin:0 auto;padding:1.5rem 1.5rem 3rem;}h1{font-size:clamp(1.5rem,4vw,2.1rem);margin-top:.5rem;}h2{font-size:clamp(1.15rem,3vw,1.4rem);margin-top:2rem;}p,li{color:var(--color-text-muted);font-size:1rem;}.card{background-color:var(--color-card-bg);border:1px solid var(--color-border);border-radius:12px;padding:1.25rem 1.5rem;margin-bottom:1.25rem;}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:1.5rem;}.card-grid a.card-link{display:block;padding:1.25rem 1.5rem;border:1px solid var(--color-border);border-radius:12px;background-color:var(--color-card-bg);color:var(--color-text);text-decoration:none;font-weight:600;}.card-grid a.card-link:hover,.card-grid a.card-link:focus-visible{border-color:var(--color-accent);}.back-home-btn{display:inline-block;margin-top:2rem;padding:.6rem 1.2rem;border-radius:8px;background-color:var(--color-accent);color:#ffffff;font-weight:600;text-decoration:none;}.back-home-btn:hover,.back-home-btn:focus-visible{background-color:var(--color-accent-hover);color:#ffffff;}footer.site-footer{background-color:var(--color-footer-bg);color:var(--color-footer-text);padding:2rem 1.5rem;margin-top:2rem;}footer.site-footer .footer-inner{max-width:var(--max-width);margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;}footer.site-footer nav ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:1rem;}footer.site-footer a{color:var(--color-footer-text);}footer.site-footer small{color:#9a9a9a;}@media (max-width:600px){header.site-header{padding:1rem;}main{padding:1rem 1rem 2rem;}footer.site-footer .footer-inner{flex-direction:column;}}