:root{--green-900: #0d3d2b;--green-700: #1a6b47;--green-500: #22a06b;--green-100: #e6f4ee;--green-50: #f3faf6;--gray-900: #111827;--gray-700: #374151;--gray-500: #6b7280;--gray-300: #d1d5db;--gray-100: #f3f4f6;--gray-50: #f9fafb;--white: #ffffff;--font-sans: "Inter", system-ui, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--radius: 8px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 16px rgba(0,0,0,.1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-sans);color:var(--gray-900);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}ul,ol{list-style:none}.container{width:100%;max-width:1160px;margin:0 auto;padding:0 24px}.container--narrow{max-width:760px}.site-header{position:sticky;top:0;z-index:100;background:var(--white);border-bottom:1px solid 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a.active{color:var(--green-500)}.sidebar-cta{background:linear-gradient(135deg,var(--green-900),var(--green-700));color:var(--white);border-radius:var(--radius-lg);padding:22px;display:flex;flex-direction:column;gap:10px}.sidebar-cta__title{font-size:1rem;font-weight:700;color:var(--white);line-height:1.3}.sidebar-cta__desc{font-size:.82rem;color:var(--green-100);line-height:1.5}.sidebar-cta__btn{display:inline-flex;align-items:center;justify-content:center;background:var(--white);color:var(--green-700);font-weight:700;font-size:.85rem;padding:10px 16px;border-radius:var(--radius);margin-top:4px;transition:background .2s}.sidebar-cta__btn:hover{background:var(--green-100)}.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:40px;padding-top:32px;border-top:1px solid var(--gray-300)}.tag{font-size:.78rem;font-weight:600;color:var(--gray-500);background:var(--gray-100);padding:5px 12px;border-radius:100px;transition:background .2s,color 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