:root{--color-primary: #0d4f5c;--color-primary-dark: #083840;--color-accent: #c45c26;--color-accent-hover: #a34a1e;--color-surface: #ffffff;--color-surface-muted: #f4f7f8;--color-border: #d8e2e5;--color-text: #1a2b32;--color-text-muted: #4a6169;--color-focus: #2a8fad;--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-serif: Georgia, "Times New Roman", serif;--radius-sm: .375rem;--radius-md: .625rem;--radius-lg: 1rem;--shadow-sm: 0 1px 2px rgb(26 43 50 / .06);--shadow-md: 0 4px 12px rgb(26 43 50 / .08);--max-width: 72rem;--prose-width: 70ch;--header-height: 4rem}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100%}body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-surface);line-height:1.6}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-shell{min-height:100vh;display:flex;flex-direction:column}main{flex:1}.section-grid{display:grid;gap:1rem;padding:2rem 0 4rem}.section-card{display:block;padding:1.25rem;border:1px solid var(--color-border);border-radius:var(--radius-lg);text-decoration:none;color:inherit;background:var(--color-surface)}.section-card:hover{border-color:var(--color-primary)}.section-card h3{margin:0 0 .5rem;color:var(--color-primary)}.section-card p{margin:0;color:var(--color-text-muted);font-size:.9375rem}.featured-grid{display:grid;gap:1rem;padding:2rem 0 4rem}@media(min-width:768px){.section-grid,.featured-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:960px){.section-grid,.featured-grid{grid-template-columns:repeat(3,1fr)}}