.playbook{display:grid;grid-template-columns:224px minmax(0,1fr);gap:var(--space-16);align-items:start;padding-block:var(--space-12) var(--space-16)}.playbook-main{min-width:0}.playbook-sidebar{align-self:stretch}.playbook-sidebar__inner{position:sticky;top:var(--space-8);max-height:calc(100vh - 4rem);overflow-y:auto;padding-right:var(--space-4);scrollbar-width:thin}.playbook-label,.playbook-nav__chapter>p,.lesson-contents>p{font-size:.75rem;font-weight:700;color:var(--muted)}.playbook-label{margin-bottom:var(--space-6)}.playbook-nav a{display:flex;align-items:center;min-height:44px;padding:var(--space-2) var(--space-3);border-left:2px solid transparent;font-size:.8125rem;line-height:1.6;text-decoration:none}.playbook-nav a:hover{background:var(--wash);text-decoration:none}.playbook-nav a[aria-current=page]{background:var(--wash);border-left-color:var(--accent);font-weight:700;color:var(--accent)}.playbook-nav__chapter{margin-top:var(--space-6)}.playbook-nav__chapter>p{margin-bottom:var(--space-2)}.playbook-nav__chapter>p>span{margin-right:var(--space-2);color:var(--accent)}.lesson-contents{margin-bottom:var(--space-8);padding-bottom:var(--space-6);border-bottom:1px solid var(--line)}.lesson-contents ul{margin-top:var(--space-2)}.lesson-contents a{display:flex;align-items:center;min-height:44px;padding-block:var(--space-2);color:var(--muted);font-size:.8125rem;line-height:1.5;text-decoration:none}.lesson-contents a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}.article-contents--playbook,.playbook-mobile-nav{display:none}.playbook :where(a,summary):focus-visible{outline:2px solid var(--accent);outline-offset:4px}.playbook .guide-article{padding:0}.playbook .guide-hero{display:block;max-width:var(--reading-width);padding-block:var(--space-8) var(--space-8)}.playbook .guide-heading h1{font-size:clamp(2.5rem,4vw,3.5rem);max-width:22ch}.playbook .guide-heading .guide-intro{max-width:62ch}.playbook .guide-reading{margin-top:var(--space-10)}.playbook .guide-reading,.playbook .guide-end{max-width:var(--reading-width);margin-inline:0}.playbook-start h1{margin-block:var(--space-4) var(--space-6);font-size:clamp(2.75rem,4.5vw,4rem);font-weight:800;line-height:1.08;letter-spacing:-.055em}.playbook-start .playbook-lede{max-width:57ch;color:var(--muted);font-size:1.125rem;line-height:1.8}.playbook-start{padding-bottom:var(--space-10)}.playbook-path{border-top:1px solid var(--line)}.playbook-path>section{padding-block:var(--space-8)}.playbook-path>section+section{border-top:1px solid var(--line)}.playbook-path h2{display:flex;align-items:baseline;gap:var(--space-4);font-size:1.375rem;font-weight:750;letter-spacing:-.035em}.playbook-path h2>span{color:var(--accent);font-size:.8125rem;letter-spacing:0}.playbook-path ul{margin-top:var(--space-4)}.playbook-path a{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--space-4);padding-block:var(--space-4);text-decoration:none}.playbook-path a:hover strong{text-decoration:underline;text-underline-offset:4px}.playbook-path strong{font-size:1.0625rem;font-weight:650}.playbook-path p{margin-top:var(--space-2);color:var(--muted);font-size:.9375rem;line-height:1.7}.playbook-path a>span{color:var(--accent)}.playbook .playbook-note{margin-top:var(--space-6);color:var(--muted);font-size:.875rem;line-height:1.7}.playbook-note a{color:var(--accent);text-decoration:underline;text-underline-offset:4px}.playbook .lesson-outcome{margin-top:var(--space-6);padding-left:var(--space-4);border-left:2px solid var(--accent);font-size:.9375rem;line-height:1.75}.lesson-template{padding:var(--space-6);border:1px solid var(--line)}.guide-reading .lesson-template p+p{margin-top:var(--space-3)}.playbook .lesson-template p{font-size:.9375rem;overflow-wrap:anywhere}.playbook .lesson-reference{color:var(--muted);font-size:.875rem}.lesson-example{padding:var(--space-6);background:var(--wash);border-left:2px solid var(--line)}.lesson-example h3,.lesson-template h3{margin-bottom:var(--space-4);font-size:1rem;font-weight:700}.lesson-worksheet{border-top:1px solid var(--line)}.lesson-worksheet>div{padding-block:var(--space-4);border-bottom:1px solid var(--line)}.lesson-worksheet dt{font-weight:650}.lesson-worksheet dd{color:var(--muted);font-size:.9375rem;margin-top:var(--space-2)}.lesson-download{display:inline-flex;align-items:center;gap:var(--space-4);min-height:44px;font-weight:650}.lesson-pagination{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-8);padding-top:var(--space-8);border-top:1px solid var(--line)}.lesson-pagination a{text-decoration:none}.lesson-pagination span{display:block;margin-bottom:var(--space-3);color:var(--muted);font-size:.75rem}.lesson-pagination strong{font-size:.9375rem;line-height:1.6;font-weight:650}.lesson-pagination a:hover strong{text-decoration:underline;text-underline-offset:4px}@media(max-width:999px){.playbook{gap:var(--space-8);grid-template-columns:192px minmax(0,1fr)}}@media(max-width:799px){.playbook{display:block;padding-top:var(--space-6)}.playbook-sidebar{display:none}.article-contents--playbook{display:block}.lesson-example,.lesson-template{padding:var(--space-4)}.playbook-mobile-nav{display:block;margin-bottom:var(--space-8);border-bottom:1px solid var(--line)}.playbook-mobile-nav>summary{display:flex;justify-content:space-between;gap:var(--space-4);padding-block:var(--space-3);font-size:.8125rem;font-weight:650;cursor:pointer;list-style:none}.playbook-mobile-nav>summary::-webkit-details-marker{display:none}.playbook-mobile-nav[open]>summary>span{transform:rotate(45deg)}.playbook-mobile-nav>nav{padding-block:var(--space-4) var(--space-6)}.playbook .guide-heading h1{font-size:clamp(2.25rem,8.5vw,3rem)}.playbook .guide-hero{padding-top:var(--space-6)}.playbook-start h1{font-size:clamp(2.5rem,9vw,3.5rem)}.lesson-pagination{gap:var(--space-6)}}@media(prefers-reduced-motion:reduce){.playbook *{scroll-behavior:auto}}