:root:root{--accent:var(--accent-primary);--accent-hover:#4f8df7}.site-header{position:sticky;top:0;z-index:100;background:var(--header-bg);backdrop-filter:blur(20px)saturate(1.2);border-bottom:1px solid var(--border-subtle)}.site-header a{text-decoration:none}.header-inner{max-width:56rem;margin:0 auto;padding:1rem 2rem;display:flex;align-items:center;gap:2rem}.wordmark{font-family:var(--font-serif);font-size:1.25rem;font-weight:600;letter-spacing:-.005em;color:var(--text-primary)}.nav-list{display:flex;gap:1.75rem;list-style:none;padding:0;margin:0}.nav-list a{font-size:.875rem;color:var(--text-secondary);transition:color 150ms}.nav-list a:hover{color:var(--text-primary)}.header-right{margin-left:auto;display:flex;align-items:center;gap:1rem}.icon-btn{width:2rem;height:2rem;display:grid;place-items:center;color:var(--text-secondary);border-radius:.375rem;transition:background 150ms,color 150ms}.icon-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.pill-cta{color:#fff;padding:.5rem 1rem;font-size:.8125rem;font-weight:600;border-radius:.5rem;background:linear-gradient(180deg,#5b9bff 0%,var(--accent) 100%);box-shadow:inset 0 1px rgba(255,255,255,.18),0 1px 2px rgba(0,0,0,.12),0 5px 14px -6px rgba(59,130,246,.5);transition:transform 150ms ease-out,box-shadow 150ms ease-out,background 150ms ease-out}.pill-cta:hover{transform:translateY(-1px);background:linear-gradient(180deg,#6ba5ff 0%,var(--accent-hover) 100%);box-shadow:inset 0 1px rgba(255,255,255,.22),0 2px 4px rgba(0,0,0,.14),0 8px 20px -6px rgba(59,130,246,.6)}.pill-cta:active{transform:translateY(0);box-shadow:inset 0 1px 2px rgba(0,0,0,.18),0 1px 2px rgba(0,0,0,.12)}.pill-cta:focus-visible{outline:2px solid var(--text-link-hover,#3b82f6);outline-offset:2px}@media(prefers-reduced-motion:reduce){.pill-cta{transition:background 150ms ease-out}.pill-cta:hover{transform:none}}.article-body ul{list-style:none;padding:0;margin:0}.article-body li{padding:.75rem 0;border-bottom:1px solid var(--border-subtle)}.article-body li:last-child{border-bottom:none}.article-body li a{font-weight:600}