:root{--bg: #0b0f17;--panel: #101827;--panel2: #0f172a;--text: #e5e7eb;--muted: #94a3b8;--border: rgba(255, 255, 255, .08);--accent: #60a5fa;--accent2: #34d399;--danger: #fb7185;--shadow: 0 10px 30px rgba(0, 0, 0, .35);--radius: 14px;--radius2: 18px;--mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";--nav-bg: rgba(2, 6, 23, .75);--card-bg: rgba(16, 24, 39, .66);--input-bg: rgba(15, 23, 42, .6);--sidebar-bg-start: rgba(16, 24, 39, .85);--sidebar-bg-end: rgba(16, 24, 39, .55);--surface: rgba(2, 6, 23, .35);--surface-2: rgba(15, 23, 42, .45);--surface-deep: rgba(2, 6, 23, .5);--btn-bg: rgba(15, 23, 42, .75)}[data-theme=light]{--bg: #f1f5f9;--panel: #ffffff;--panel2: #f8fafc;--text: #0f172a;--muted: #64748b;--border: rgba(0, 0, 0, .1);--accent: #3b82f6;--accent2: #10b981;--danger: #ef4444;--shadow: 0 4px 20px rgba(0, 0, 0, .08);--nav-bg: rgba(255, 255, 255, .85);--card-bg: rgba(255, 255, 255, .9);--input-bg: rgba(0, 0, 0, .04);--sidebar-bg-start: rgba(248, 250, 252, .95);--sidebar-bg-end: rgba(241, 245, 249, .9);--surface: rgba(255, 255, 255, .75);--surface-2: rgba(255, 255, 255, .6);--surface-deep: rgba(0, 0, 0, .05);--btn-bg: rgba(0, 0, 0, .07)}*{box-sizing:border-box}html,body{height:100%;overflow-x:hidden;max-width:100%}body{margin:0;font-family:var(--sans);background-color:var(--bg);background-image:radial-gradient(ellipse 1200px 400px at 30% 0%,rgba(96,165,250,.15) 0%,transparent 70%),radial-gradient(ellipse 800px 320px at 80% 0%,rgba(52,211,153,.1) 0%,transparent 65%);background-attachment:fixed;color:var(--text)}[data-theme=light] body{background-image:radial-gradient(ellipse 1200px 400px at 30% 0%,rgba(59,130,246,.07) 0%,transparent 70%),radial-gradient(ellipse 800px 320px at 80% 0%,rgba(16,185,129,.05) 0%,transparent 65%)}a{color:inherit;text-decoration:none}:not(pre)>code{font-family:var(--mono);font-size:.88em;color:#93c5fd;background:#60a5fa1a;border-radius:4px;padding:1px 5px}.container{display:grid;grid-template-columns:320px 1fr;min-height:calc(100vh - 61px)}.sidebar{position:sticky;top:61px;height:calc(100vh - 61px);overflow:hidden;border-right:1px solid var(--border);padding:18px;background:linear-gradient(180deg,var(--sidebar-bg-start),var(--sidebar-bg-end));-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;flex-direction:column}.sidebarScroll{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;margin:0 -4px;padding:0 4px 8px}.brand{display:flex;flex-direction:column;gap:6px;padding:10px 10px 14px;flex-shrink:0}.brandTitle{font-size:18px;font-weight:700;letter-spacing:.3px}.brandSub{font-size:12px;color:var(--muted);line-height:1.35}.sidebarFooter{flex-shrink:0;padding:14px 10px 4px;border-top:1px solid var(--border);background:linear-gradient(180deg,transparent,var(--sidebar-bg-end) 24%);display:flex;flex-direction:column;gap:4px}.sidebarFooterLine{font-size:11px;color:var(--muted);line-height:1.5}.sidebarFooterLine a{color:var(--muted);text-decoration:none}.sidebarFooterLine a:hover{color:var(--text)}.sidebarFooterLinks{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.marketingFooter{text-align:center;padding:32px 16px 24px;font-size:12px;color:var(--muted);line-height:1.6}.marketingFooter a{color:var(--muted);text-decoration:none}.marketingFooter a:hover{color:var(--text)}.marketingFooterLegalLinks{margin-top:8px;display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap}.search{margin-top:12px;padding:10px;border:1px solid var(--border);border-radius:12px;background:var(--input-bg);color:var(--text);width:100%;outline:none}.sectionTitle{margin:16px 10px 8px;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.12em}.treeNav{display:flex;flex-direction:column;gap:2px;padding:0 2px}.treeGroup{display:flex;flex-direction:column}.treeToggle{display:flex;align-items:center;gap:6px;width:100%;padding:7px 8px;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--text);text-align:left;cursor:pointer;transition:.14s ease}.treeToggle:hover{background:#60a5fa14;border-color:#60a5fa1f}.treeToggleActive{background:#60a5fa1a;border-color:#60a5fa33}.treeToggleDepth0{margin-top:12px;padding:8px 8px 8px 6px;font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text)}.treeToggleDepth0:first-child{margin-top:0}.treeToggleDepth1{padding-left:18px;font-size:13px;font-weight:600;color:var(--text)}.treeToggleDepth2{padding-left:30px;font-size:12px;font-weight:600;color:var(--muted)}.treeToggleLabel{flex:1;min-width:0}.treeChevron{display:inline-flex;align-items:center;justify-content:center;width:12px;flex-shrink:0;font-size:10px;color:var(--muted);transition:transform .14s ease}.treeChevronExpanded{transform:rotate(90deg)}.treeChildren{display:flex;flex-direction:column}.treeTopicList{gap:4px;padding:2px 0 6px}.treeTopic{margin-left:42px;margin-right:4px;padding:5px 10px;font-size:11px}.treeTopic .treeTopicTitle{font-weight:400;color:var(--muted);line-height:1.35}.treeTopic:hover .treeTopicTitle{color:var(--text)}.treeTopic.navItemActive{background:#60a5fa14;border-color:#60a5fa24}.treeTopic.navItemActive .treeTopicTitle{font-weight:500;color:var(--text)}.treeTopic .badge{font-size:10px;padding:1px 6px}.navList{display:flex;flex-direction:column;gap:6px;padding:0 6px}.navItem{display:flex;gap:10px;align-items:center;padding:10px;border-radius:12px;border:1px solid transparent;transition:.14s ease}.navItem:hover{background:#60a5fa14;border-color:#60a5fa29}.navItemActive{background:#60a5fa1f;border-color:#60a5fa38}.badge{font-family:var(--mono);font-size:12px;padding:2px 8px;border:1px solid var(--border);border-radius:999px;color:var(--muted)}.topicCompleteIndicator{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:999px;border:1px solid rgba(52,211,153,.45);background:#10b9812e;color:#86efac;font-size:11px;line-height:1}.main{padding:24px;min-width:0;overflow-x:hidden}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius2);box-shadow:var(--shadow)}.cardInner{padding:18px}.h1{font-size:28px;margin:0 0 10px;letter-spacing:.2px}.h2{font-size:18px;margin:0 0 10px;color:var(--muted)}.h3{font-size:16px;font-weight:600;margin:0 0 8px;color:var(--text);letter-spacing:.2px}.p{color:var(--muted);margin:0;line-height:1.55}.row{display:flex;gap:10px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);background:var(--btn-bg);color:var(--text);padding:10px 14px;border-radius:12px;cursor:pointer;text-decoration:none;line-height:1.2;transition:.14s ease}.button:hover{transform:translateY(-1px);background:#0f172ae6}.buttonPrimary{border-color:#60a5fa52;background:#60a5fa1f}.topicActionButton{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:500;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--muted);cursor:pointer;transition:all .18s ease}.topicActionButton:hover:not(:disabled){background:var(--surface-2);border-color:#60a5fa4d;color:var(--text);transform:translateY(-1px)}.topicActionButton:disabled{cursor:not-allowed;opacity:.6}.topicActionIcon{font-size:15px;line-height:1;display:flex;align-items:center;justify-content:center}.topicActionLabel{font-family:var(--sans);letter-spacing:.01em}.topicActionButtonActive{background:#60a5fa24;border-color:#60a5fa66;color:#60a5fa}.topicActionButtonActive:hover:not(:disabled){background:#60a5fa2e;border-color:#60a5fa80}.buttonDanger{border-color:#fb718552;background:#fb71851a}hr.sep{border:none;border-top:1px solid var(--border);margin:14px 0}.revealBlock{margin-top:14px}.revealBlockToggle{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:10px;border:1px solid var(--border);background:#60a5fa0f;color:var(--text);font-size:13px;font-weight:600;cursor:pointer}.revealBlockToggle:hover{background:#60a5fa1f;border-color:#60a5fa38}.revealBlockChevron{display:inline-block;font-size:11px;transition:transform .15s ease;color:var(--muted)}.revealBlockChevronOpen{transform:rotate(90deg)}.revealBlockPanel{margin-top:12px;padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:#ffffff05}.tabs{display:flex;gap:8px;padding:10px;border-bottom:1px solid var(--border)}.tab{padding:8px 10px;border-radius:10px;border:1px solid var(--border);background:transparent;color:var(--muted);cursor:pointer}.tabActive{color:var(--text);background:#60a5fa1a;border-color:#60a5fa38}.code{font-family:var(--mono);font-size:13px;padding:12px;border:1px solid var(--border);border-radius:12px;background:#1e293b;color:#cbd5e1;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;line-height:1.45}.codeBlock,.codeBlockPre{max-width:100%}.codeBlockPre>div{white-space:inherit;overflow-wrap:inherit;word-break:inherit}.codeBlockCopy{position:absolute;top:10px;right:10px;z-index:1;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:#ffffff14;color:#cbd5e1;padding:6px 10px;font-size:12px;cursor:pointer}[data-theme=light] .codeBlockCopy{border-color:#0000001f;background:#0000000f;color:#475569}.referenceTableWrap{margin-top:12px}.referenceTableTitle{margin-bottom:10px;font-size:14px;font-weight:600;color:var(--text);line-height:1.5}.referenceTableScroll{overflow-x:auto;border-radius:12px;border:1px solid var(--border);background:var(--surface-2);box-shadow:inset 0 1px #ffffff0a}[data-theme=light] .referenceTableScroll{box-shadow:inset 0 1px #fff9}.referenceTable{width:100%;border-collapse:collapse;font-size:14px;line-height:1.55}.referenceTable th,.referenceTable td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--border)}.referenceTable thead th{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:#60a5fa14}[data-theme=light] .referenceTable thead th{background:#3b82f60f}.referenceTable tbody tr:last-child th,.referenceTable tbody tr:last-child td{border-bottom:none}.referenceTable tbody th[scope=row]{width:34%;min-width:9rem;font-weight:600;color:var(--text);background:#0206172e}[data-theme=light] .referenceTable tbody th[scope=row]{background:#f1f5f9d9}.referenceTable tbody td{color:var(--muted)}.referenceTable tbody td code{font-size:.92em}.referenceTableNote{display:block;margin-top:6px;font-size:13px;line-height:1.5;color:var(--muted);opacity:.92}.compareBlock{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px;align-items:start}@media(max-width:720px){.compareBlock{grid-template-columns:1fr}}.compareBlockSide{padding:14px 16px;border-radius:12px;border:1px solid var(--border);background:var(--surface-2);min-width:0}.compareBlockSideAccent{border-color:#60a5fa47;background:linear-gradient(145deg,#60a5fa1a,#60a5fa08),var(--surface-2)}[data-theme=light] .compareBlockSideAccent{border-color:#3b82f638;background:linear-gradient(145deg,#3b82f614,#3b82f605),var(--surface-2)}.compareBlockTitle{margin-bottom:8px;font-size:13px;font-weight:700;color:var(--text)}.compareBlockBody{font-size:14px;line-height:1.6;color:var(--muted)}.compareBlockBody>*+*{margin-top:10px}.compareBlockBody .p{margin:0}.compareBlockBody code{font-size:.92em}.referenceTableWrapEmbedded{margin-top:0}.referenceTableWrapEmbedded .referenceTableScroll{border:none;background:transparent;box-shadow:none;overflow:visible}.referenceTableWrapEmbedded .referenceTable tbody th[scope=row]{width:38%;min-width:0;padding:8px 12px 8px 0;background:transparent;font-size:13px}.referenceTableWrapEmbedded .referenceTable tbody td{padding:8px 0}.referenceTableWrapEmbedded .referenceTable tbody tr:last-child th,.referenceTableWrapEmbedded .referenceTable tbody tr:last-child td{border-bottom:none}.compareBlockBody .codeBlock{margin-top:0}.compareBlockBody .codeBlockPre{font-size:12px}.contrastPanel{margin-top:12px;border-radius:14px;border:1px solid var(--border);overflow:hidden;background:var(--surface-2);box-shadow:inset 0 1px #ffffff08}.contrastPanelBefore,.contrastPanelAfter{padding:18px 20px}.contrastPanelBefore{background:#fb71850d}[data-theme=light] .contrastPanelBefore{background:#ef44440a}.contrastPanelAfter{background:linear-gradient(180deg,rgba(96,165,250,.1) 0%,rgba(96,165,250,.02) 55%,transparent 100%),var(--surface-2)}[data-theme=light] .contrastPanelAfter{background:linear-gradient(180deg,rgba(59,130,246,.08) 0%,rgba(59,130,246,.02) 55%,transparent 100%),var(--surface-2)}.contrastPanelEyebrow{margin-bottom:10px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.contrastPanelEyebrowMuted{color:#fda4af}[data-theme=light] .contrastPanelEyebrowMuted{color:#e11d48}.contrastPanelEyebrowAccent{color:var(--accent)}.contrastPanelBody,.contrastPanelIntro,.contrastPanelTakeaway{font-size:14px;line-height:1.65;color:var(--muted)}.contrastPanelBody .p,.contrastPanelIntro .p,.contrastPanelTakeaway .p{margin:0}.contrastPanelDivider{display:flex;align-items:center;gap:12px;padding:0 20px;background:#02061759}[data-theme=light] .contrastPanelDivider{background:#f1f5f9e6}.contrastPanelDividerLine{flex:1;height:1px;background:var(--border)}.contrastPanelDividerLabel{flex-shrink:0;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.contrastPanelDetails{margin:14px 0 0;border-radius:10px;border:1px solid var(--border);overflow:hidden;background:#02061738}[data-theme=light] .contrastPanelDetails{background:#ffffffa6}.contrastPanelDetailRow{display:grid;grid-template-columns:minmax(128px,36%) 1fr;border-bottom:1px solid var(--border)}.contrastPanelDetailRow:last-child{border-bottom:none}.contrastPanelDetailRow dt{margin:0;padding:11px 14px;font-size:13px;font-weight:600;color:var(--text);background:#02061747}[data-theme=light] .contrastPanelDetailRow dt{background:#f1f5f9f2}.contrastPanelDetailRow dd{margin:0;padding:11px 14px;font-size:13px;line-height:1.55;color:var(--text)}.contrastPanelDetailMono{font-family:var(--mono);font-size:12px;color:#93c5fd}[data-theme=light] .contrastPanelDetailMono{color:#1d4ed8}.contrastPanelDetailNote{display:block;margin-top:6px;font-family:var(--sans);font-size:12px;font-weight:600;color:#fda4af}[data-theme=light] .contrastPanelDetailNote{color:#e11d48}.contrastPanelTakeaway{margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}.comparisonTableWrap{margin-top:12px}.comparisonTableScroll{overflow-x:auto;border-radius:12px;border:1px solid var(--border);background:var(--surface-2)}.comparisonTable{width:100%;border-collapse:collapse;font-size:14px;line-height:1.55}.comparisonTable th,.comparisonTable td{padding:11px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--border)}.comparisonTable thead th{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:#60a5fa14}.comparisonTable thead th:nth-child(2){color:#93c5fd}.comparisonTable thead th:nth-child(3){color:#6ee7b7}.comparisonTable tbody th[scope=row]{width:28%;min-width:9rem;font-weight:600;color:var(--text);background:#0206172e}[data-theme=light] .comparisonTable tbody th[scope=row]{background:#f1f5f9d9}.comparisonTable tbody td{width:36%;color:var(--muted)}.comparisonTable tbody tr:last-child th,.comparisonTable tbody tr:last-child td{border-bottom:none}.modelCard{margin-top:12px;padding:18px 20px;border-radius:14px;border:1px solid rgba(96,165,250,.22);background:linear-gradient(145deg,rgba(96,165,250,.1) 0%,rgba(96,165,250,.03) 45%,var(--surface-2) 100%);box-shadow:inset 0 1px #ffffff0a}[data-theme=light] .modelCard{border-color:#3b82f62e;background:linear-gradient(145deg,#3b82f614,#3b82f605 45%,#fff)}.modelCardEyebrow{margin-bottom:10px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}.modelCardTitle{margin:0 0 12px;font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--text);line-height:1.35}.modelCardFacts{margin:0;display:grid;gap:8px}.modelCardFact{display:grid;grid-template-columns:minmax(96px,28%) 1fr;gap:12px;align-items:baseline;padding:10px 12px;border-radius:10px;background:#02061747;border:1px solid var(--border)}[data-theme=light] .modelCardFact{background:#f1f5f9e6}.modelCardFact dt{margin:0;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}.modelCardFact dd{margin:0;font-size:14px;line-height:1.5;color:var(--text);min-width:0;overflow-wrap:anywhere}.modelCardFact dd code{font-size:.95em}.modelCardArrow{display:inline-block;margin:0 8px;color:var(--accent);font-weight:700}.modelCardBody{margin-top:12px;font-size:14px;line-height:1.65;color:var(--muted)}.modelCardBody .p{margin:0}.modelCardBody .p+.p{margin-top:8px}.modelCardBody ul,.modelCardBody .overviewList{margin:8px 0 0;padding-left:1.2rem}@media(max-width:560px){.modelCardFact{grid-template-columns:1fr;gap:4px}}.stepsList{margin:12px 0 0;padding:0;list-style:none;counter-reset:step-counter;border-radius:12px;border:1px solid var(--border);background:var(--surface-2);overflow:hidden}.stepsList li{counter-increment:step-counter;display:flex;gap:12px;padding:12px 14px;font-size:14px;line-height:1.6;color:var(--muted);border-bottom:1px solid var(--border)}.stepsList li:last-child{border-bottom:none}.stepsList li:before{content:counter(step-counter);flex-shrink:0;width:1.5rem;height:1.5rem;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-size:12px;font-weight:700;color:var(--accent);background:#60a5fa24;border:1px solid rgba(96,165,250,.28)}[data-theme=light] .stepsList li:before{background:#3b82f61a;border-color:#3b82f638}.kpi{display:grid;grid-template-columns:repeat(3,minmax(160px,1fr));gap:12px}.kpiBox{padding:12px;border-radius:14px;border:1px solid var(--border);background:var(--surface-2)}.kpiLabel{font-size:12px;color:var(--muted)}.kpiValue{margin-top:6px;font-family:var(--mono);font-size:16px}.smallNote{font-size:12px;color:var(--muted)}.progressBar{height:6px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);overflow:hidden}.progressBarFill{height:100%;border-radius:999px;background:#60a5fa8c;transition:width .2s ease}.overviewTopicLink{display:block;border:1px solid var(--border);border-radius:12px;padding:12px 14px;background:var(--surface-2);text-decoration:none;color:inherit;transition:.14s ease}.overviewTopicLink:hover{border-color:#60a5fa38;background:#60a5fa0f}.conceptOverview{display:flex;flex-direction:column;gap:4px}.conceptDeepDive{margin-top:4px}.overviewPage{display:flex;flex-direction:column;gap:40px;max-width:760px}.overviewPage>.overviewArticle~*:not(.overviewSection){margin-top:0;padding-top:36px;border-top:1px solid var(--border)}.overviewArticle{display:flex;flex-direction:column;gap:36px;counter-reset:lesson-section}.overviewIntro{font-size:16px;line-height:1.75;color:var(--text)}.topicMeta{display:flex;align-items:stretch;gap:0;margin:0 0 28px;padding:14px 4px;border-radius:12px;border:1px solid var(--border);background:linear-gradient(180deg,rgba(96,165,250,.08) 0%,transparent 100%),var(--surface-2);box-shadow:inset 0 1px #ffffff0a;overflow:hidden}[data-theme=light] .topicMeta{background:linear-gradient(180deg,rgba(59,130,246,.06) 0%,transparent 100%),var(--surface-2);box-shadow:inset 0 1px #ffffffb3}.topicMetaItem{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px;padding:4px 18px}.topicMetaDivider{width:1px;align-self:stretch;background:var(--border);flex-shrink:0}.topicMetaLabel{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);line-height:1.2}.topicMetaValue{font-size:14px;font-weight:600;color:var(--text);line-height:1.35}.topicMetaDifficulty{display:inline-flex;align-items:center;width:fit-content;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.02em;border:1px solid transparent}.topicMetaDifficultyBeginner{color:#6ee7b7;background:#34d3991f;border-color:#34d39947}.topicMetaDifficultyIntermediate{color:#93c5fd;background:#60a5fa24;border-color:#60a5fa4d}.topicMetaDifficultyAdvanced{color:#fda4af;background:#fb71851f;border-color:#fb718547}[data-theme=light] .topicMetaDifficultyBeginner{color:#047857;background:#10b9811f;border-color:#10b98147}[data-theme=light] .topicMetaDifficultyIntermediate{color:#1d4ed8;background:#3b82f61f;border-color:#3b82f647}[data-theme=light] .topicMetaDifficultyAdvanced{color:#be123c;background:#f43f5e1a;border-color:#f43f5e40}@media(max-width:640px){.topicMeta{flex-direction:column;padding:10px 0}.topicMetaDivider{width:auto;height:1px;margin:0 18px}.topicMetaItem{padding:10px 18px}}.overviewIntro .p,.overviewIntro ul{margin-top:0}.overviewIntro ul,.overviewSection ul{line-height:1.75;font-size:15px;color:var(--muted);padding-left:1.25rem}.overviewIntro .h3,.overviewSection .h3{margin-top:20px}.overviewIntro li+li,.overviewSection li+li,.overviewList li+li{margin-top:10px}.overviewList{line-height:1.75;font-size:15px;color:var(--muted);padding-left:1.25rem;margin-top:8px}.overviewSection{display:flex;flex-direction:column;gap:14px;counter-increment:lesson-section}.interviewSection{display:flex;flex-direction:column;gap:14px;margin-bottom:28px;padding-bottom:28px;border-bottom:1px solid var(--border)}.interviewSection:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}.sectionHeading{display:flex;align-items:center;gap:14px;margin:0;padding:0 0 14px;font-size:21px;font-weight:700;letter-spacing:-.025em;line-height:1.25;color:var(--text);border-bottom:1px solid var(--border);scroll-margin-top:88px}.sectionHeading:before{content:"";flex-shrink:0;width:3px;height:1.15em;border-radius:999px;background:linear-gradient(180deg,var(--accent) 0%,var(--accent2) 100%)}.overviewSection .sectionHeading:after{content:counter(lesson-section,decimal-leading-zero);margin-left:auto;flex-shrink:0;font-size:12px;font-weight:700;letter-spacing:.08em;font-variant-numeric:tabular-nums;color:var(--muted);opacity:.7}.overviewSection .p{font-size:15px;line-height:1.75}.overviewExamples{padding-top:36px;border-top:1px solid var(--border)}.overviewExamplesBody .h2{font-size:17px;margin-top:8px}.overviewExamplesBody .h2:first-child{margin-top:0}.overviewSummary{margin-top:8px;padding:16px 18px;border-radius:12px;border:1px solid var(--border);background:var(--surface-2)}.overviewSummaryBody{font-size:14px;line-height:1.6;color:var(--muted);white-space:pre-wrap}.keyTakeaways{margin-top:12px;padding:0;border-radius:16px;border:1px solid rgba(96,165,250,.28);background:linear-gradient(145deg,rgba(96,165,250,.12) 0%,rgba(96,165,250,.03) 42%,var(--surface-2) 100%);box-shadow:0 0 0 1px #60a5fa0f,0 18px 40px #00000038;overflow:hidden;scroll-margin-top:88px}[data-theme=light] .keyTakeaways{border-color:#3b82f638;background:linear-gradient(145deg,#3b82f61a,#3b82f608 42%,#fff);box-shadow:0 0 0 1px #3b82f60d,0 14px 32px #0f172a14}.keyTakeawaysHeader{padding:22px 24px 16px;border-bottom:1px solid var(--border);background:#02061738}[data-theme=light] .keyTakeawaysHeader{background:#f1f5f9b3}.keyTakeawaysEyebrow{display:inline-block;margin-bottom:8px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}.keyTakeawaysTitle{margin:0;font-size:24px;font-weight:700;letter-spacing:-.02em;color:var(--text);line-height:1.2}.keyTakeawaysBody{padding:14px 20px 18px}.keyTakeawaysBody .overviewList,.keyTakeawaysBody ul{margin:0;padding-left:1.2rem;color:var(--text)}.keyTakeawaysBody .overviewList li,.keyTakeawaysBody ul li{margin:0;padding:8px 0;font-size:15px;line-height:1.65;color:var(--text)}.keyTakeawaysBody .overviewList li+li,.keyTakeawaysBody ul li+li{margin-top:2px;border-top:1px solid var(--border)}.keyTakeawaysBody .p{margin:10px 0;font-size:15px;line-height:1.7;color:var(--text)}.keyTakeawaysBody code{font-size:.92em}@media(max-width:640px){.keyTakeawaysHeader{padding:18px 18px 14px}.keyTakeawaysTitle{font-size:21px}.keyTakeawaysBody{padding:12px 16px 14px}}.topNavLogo{height:52px}.topNavLinks{display:flex;gap:8px;flex-wrap:nowrap}.menuToggleBtn,.sidebarCloseBtn{display:none}.sidebarOverlay{position:fixed;inset:0;background:#0000008c;z-index:99}@media(max-width:768px){.container{grid-template-columns:1fr}.sidebar{position:fixed;top:0;left:0;height:100vh;width:300px;z-index:100;transform:translate(-100%);transition:transform .25s ease}.sidebarOpen{transform:translate(0)}.sidebarCloseBtn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;font-size:16px;padding:0;margin-left:auto;margin-bottom:8px;flex-shrink:0}.menuToggleBtn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--border);border-radius:10px;background:#ffffff0d;color:var(--text);cursor:pointer;font-size:18px;padding:0;flex-shrink:0}.topNavLogo{height:44px}.topNavBrandLink{display:none!important}.topNavLinks{display:none}.main{padding:16px}.h1{font-size:22px}.kpi{grid-template-columns:repeat(2,1fr)}}