:root:root{--accent:var(--accent-primary);--accent-hover:#4f8df7;--accent-soft:#8fb6ff;--page-max:64rem}.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:var(--page-max);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{background:var(--accent);color:var(--text-primary);padding:.5rem 1rem;font-size:.8125rem;font-weight:500;border-radius:.5rem;transition:background 150ms}.pill-cta:hover{background:var(--accent-hover)}.guide-list{list-style:none;margin:2.5rem 0 0;padding:0;display:flex;flex-direction:column;gap:.75rem}.guide-card{display:block;padding:1.25rem 1.5rem;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:.625rem;text-decoration:none;transition:border-color 150ms ease,background 150ms ease,transform 150ms ease}.guide-card:hover{border-color:var(--accent);background:var(--bg-tertiary);transform:translateY(-1px)}.guide-card-type{display:inline-block;font-family:var(--font-mono);font-size:.6875rem;text-transform:uppercase;letter-spacing:.08em;color:var(--accent-soft);margin-bottom:.5rem}.guide-card-title{font-family:var(--font-serif);font-size:1.3125rem;font-weight:600;line-height:1.25;letter-spacing:-.01em;color:var(--text-primary);margin:0 0 .375rem}.guide-card-deck{font-size:.9375rem;line-height:1.55;color:var(--text-secondary);margin:0}.code-block{position:relative}.code-block .highlight{margin:0}.code-copy{position:absolute;top:.5rem;right:.5rem;display:inline-grid;place-items:center;width:1.875rem;height:1.875rem;border-radius:.375rem;color:var(--text-secondary);background:var(--bg-secondary);border:1px solid var(--border-subtle);cursor:pointer;opacity:0;transition:opacity 150ms ease,color 150ms ease,background 150ms ease}.code-copy:not(:defined){display:none}.code-block:hover .code-copy,.code-copy:focus-visible{opacity:1}.code-copy:hover{color:var(--text-primary);background:var(--bg-tertiary)}.code-copy svg{width:.9375rem;height:.9375rem}.code-copy .icon-check{display:none}.code-copy.is-copied{color:var(--accent-soft);opacity:1}.code-copy.is-copied .icon-copy{display:none}.code-copy.is-copied .icon-check{display:block}.guide-meta{display:flex;align-items:center;gap:1rem}.guide-back{display:inline-flex;align-items:center;gap:.375rem;font-family:var(--font-mono);font-size:.8125rem;color:var(--text-secondary);text-decoration:none;transition:color 150ms}.guide-back:hover{color:var(--accent-soft)}.guide-type-tag{font-family:var(--font-mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-tertiary,var(--text-secondary))}