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var(--line)}.tool-list-row h3{margin:0 0 4px;font-size:1.25rem}.tool-list-row p{margin:0;color:var(--muted)}@media(max-width:1200px){.learning-grid{grid-template-columns:220px minmax(0,1fr)}.lesson-context{position:static;grid-column:2;grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:960px){.header-inner{min-height:62px;flex-direction:row;align-items:center;padding:0}.menu-toggle{display:block;margin-left:auto}.site-nav{position:absolute;inset:63px 0 auto;display:none;padding:12px 24px 20px;border-bottom:1px solid var(--line);background:var(--bg)}.site-nav.is-open{display:grid}.site-nav a,.nav-search,.nav-progress{min-height:44px;margin:0;border:0;box-shadow:none!important}.editorial-hero-grid,.learning-grid{grid-template-columns:1fr}.lesson-rail{position:static;padding:18px;border:1px solid var(--line)}.lesson-rail ol{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-context{grid-column:1}.course-row{grid-template-columns:54px 1fr 120px}.course-modules{grid-column:2 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