:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--lh-white:#fff;--lh-night:#0d0f17;--lh-navy:#111b2b;--lh-slate:#26344b;--lh-blue-deep:#1f6fd1;--lh-blue:#4da3ff;--lh-blue-light:#8fc2ff;--lh-ice:#f8faff;--lh-slate-light:#dce1eb;--lh-slate-muted:#aab6c9;--lh-canvas:var(--lightningcss-light,var(--lh-ice))var(--lightningcss-dark,var(--lh-night));--lh-surface:var(--lightningcss-light,var(--lh-white))var(--lightningcss-dark,var(--lh-navy));--lh-surface-muted:var(--lightningcss-light,var(--lh-slate-light))var(--lightningcss-dark,var(--lh-slate));--lh-text:var(--lightningcss-light,var(--lh-night))var(--lightningcss-dark,var(--lh-ice));--lh-text-muted:var(--lightningcss-light,var(--lh-slate))var(--lightningcss-dark,var(--lh-slate-muted));--lh-border:var(--lightningcss-light,var(--lh-slate-light))var(--lightningcss-dark,var(--lh-slate));--lh-border-strong:var(--lightningcss-light,var(--lh-slate-muted))var(--lightningcss-dark,var(--lh-blue-light));--lh-action:var(--lightningcss-light,var(--lh-blue-deep))var(--lightningcss-dark,var(--lh-blue));--lh-on-action:var(--lightningcss-light,var(--lh-white))var(--lightningcss-dark,var(--lh-night));--lh-action-hover:var(--lightningcss-light,var(--lh-night))var(--lightningcss-dark,var(--lh-blue-light));--lh-action-soft:var(--lightningcss-light,var(--lh-slate-light))var(--lightningcss-dark,var(--lh-slate));--lh-focus:var(--lightningcss-light,var(--lh-blue-deep))var(--lightningcss-dark,var(--lh-blue-light));--lh-positive:var(--lightningcss-light,#195c40)var(--lightningcss-dark,#96e4ad);--lh-positive-surface:var(--lightningcss-light,#e3f3e9)var(--lightningcss-dark,#173e2b);--lh-caution:var(--lightningcss-light,#765211)var(--lightningcss-dark,#f8cf79);--lh-caution-surface:var(--lightningcss-light,#fff2d7)var(--lightningcss-dark,#473612);--lh-negative:var(--lightningcss-light,#9a3434)var(--lightningcss-dark,#ffb6ab);--lh-negative-surface:var(--lightningcss-light,#fce8e5)var(--lightningcss-dark,#492825);--lh-font-sans:ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--lh-font-mono:ui-monospace, "SFMono-Regular", Consolas, monospace;--lh-text-small:.8125rem;--lh-text-base:.9375rem;--lh-text-large:1.125rem;--lh-leading:1.55;--lh-space-1:.25rem;--lh-space-2:.5rem;--lh-space-3:.75rem;--lh-space-4:1rem;--lh-space-6:1.5rem;--lh-space-8:2rem;--lh-space-12:3rem;--lh-radius-control:.375rem;--lh-radius-panel:.625rem;--lh-control-height:2.5rem;--lh-shadow-overlay:0 16px 48px #0000002e;--lh-motion-fast:.12s}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}[data-lh-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}[data-lh-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}[data-lh-theme=system]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){[data-lh-theme=system]{--lightningcss-light: ;--lightningcss-dark:initial}}@media (prefers-reduced-motion:reduce){:root{--lh-motion-fast:0s}}.lh-root{background:var(--lh-canvas);color:var(--lh-text);font:var(--lh-text-base)/var(--lh-leading) var(--lh-font-sans);-webkit-font-smoothing:antialiased;margin:0}.lh-root *,.lh-root :before,.lh-root :after{box-sizing:border-box}.lh-root a{color:var(--lh-action);text-underline-offset:.2em}.lh-root :where(button,input,select,textarea){font:inherit}.lh-root :focus-visible{outline:2px solid var(--lh-focus);outline-offset:3px}.lh-button{justify-content:center;align-items:center;gap:var(--lh-space-2);min-height:var(--lh-control-height);padding:var(--lh-space-2) var(--lh-space-4);border-radius:var(--lh-radius-control);background:var(--lh-action);color:var(--lh-on-action);cursor:pointer;transition:background var(--lh-motion-fast);border:1px solid #0000;font-weight:600;text-decoration:none;display:inline-flex}.lh-button:hover:not(:disabled){background:var(--lh-action-hover)}.lh-button[data-variant=secondary]{background:var(--lh-surface);border-color:var(--lh-border-strong);color:var(--lh-text)}.lh-button[data-variant=secondary]:hover:not(:disabled){background:var(--lh-surface-muted)}.lh-button:disabled{cursor:not-allowed;opacity:.55}.lh-input,.lh-select,.lh-textarea{width:100%;min-height:var(--lh-control-height);padding:var(--lh-space-2) var(--lh-space-3);border:1px solid var(--lh-border-strong);border-radius:var(--lh-radius-control);background:var(--lh-surface);color:var(--lh-text)}.lh-input::placeholder,.lh-textarea::placeholder{color:var(--lh-text-muted)}.lh-input[aria-invalid=true]{border-color:var(--lh-negative)}.lh-field{gap:var(--lh-space-2);display:grid}.lh-field label{font-weight:600}.lh-hint{color:var(--lh-text-muted);font-size:var(--lh-text-small);margin:0}.lh-card{padding:var(--lh-space-6);border:1px solid var(--lh-border);border-radius:var(--lh-radius-panel);background:var(--lh-surface)}.lh-badge{border-radius:var(--lh-radius-control);background:var(--lh-surface-muted);color:var(--lh-text);font-size:var(--lh-text-small);white-space:nowrap;align-items:center;padding:.2rem .55rem;font-weight:600;display:inline-flex}.lh-badge[data-tone=positive],.lh-alert[data-tone=positive]{color:var(--lh-positive);background:var(--lh-positive-surface)}.lh-badge[data-tone=caution],.lh-alert[data-tone=caution]{color:var(--lh-caution);background:var(--lh-caution-surface)}.lh-badge[data-tone=negative],.lh-alert[data-tone=negative]{color:var(--lh-negative);background:var(--lh-negative-surface)}.lh-alert{padding:var(--lh-space-3) var(--lh-space-4);border-radius:var(--lh-radius-control)}.lh-table{border-collapse:collapse;text-align:left;width:100%}.lh-table caption{text-align:left;color:var(--lh-text-muted);padding-bottom:var(--lh-space-4)}.lh-table th{color:var(--lh-text-muted);font-size:var(--lh-text-small);font-weight:500}.lh-table th,.lh-table td{padding:var(--lh-space-3) var(--lh-space-4);border-bottom:1px solid var(--lh-border)}.lh-table tbody tr:last-child td{border-bottom:0}.lh-dialog{border:1px solid var(--lh-border-strong);border-radius:var(--lh-radius-panel);width:min(28rem,100% - 2rem);padding:var(--lh-space-6);background:var(--lh-surface);color:var(--lh-text);box-shadow:var(--lh-shadow-overlay)}.lh-dialog::backdrop{background:#00000073}.lh-dialog form{gap:var(--lh-space-6);display:grid}.lh-dialog h2{margin:0}.lh-root [hidden]{display:none}.lh-root{--lh-radius-control:0;--lh-radius-panel:0;--lh-text-base:1.0625rem;--lh-leading:1.65;--wide:1160px;--measure:72ch;--gutter:var(--lh-space-6);--grid-line:color-mix(in srgb, var(--lh-border-strong) 11%, transparent);--signal:color-mix(in srgb, var(--lh-action) 55%, transparent)}html{background:var(--lh-canvas);scroll-padding-top:4.5rem}body.lh-root{background-color:var(--lh-canvas);background-image:linear-gradient(90deg, var(--grid-line) 1px, transparent 1px), linear-gradient(var(--grid-line) 1px, transparent 1px);background-size:40px 40px;flex-direction:column;min-height:100vh;display:flex}.frame,.site-footer>div{width:min(var(--wide), 100% - 2 * var(--gutter));margin-inline:auto}main{width:min(var(--measure), 100% - 2 * var(--gutter));padding-block:var(--lh-space-8) var(--lh-space-12);flex:1;margin-inline:auto}main.wide{width:100%;padding-top:0}h1,h2,h3{letter-spacing:-.02em;text-wrap:balance;line-height:1.2}h1{margin:0 0 var(--lh-space-4);font-size:2.25rem}h2{margin:var(--lh-space-12) 0 var(--lh-space-4);font-size:1.5rem}h3{font-size:var(--lh-text-large);margin:var(--lh-space-8) 0 var(--lh-space-2)}hr{border:0;border-top:1px solid var(--lh-border);margin-block:var(--lh-space-8)}img{border-radius:0}.lh-root a.lh-button{color:var(--lh-on-action);text-decoration:none}.lh-root a.lh-button[data-variant=secondary]{color:var(--lh-text)}.muted{color:var(--lh-text-muted)}.mono{font-family:var(--lh-font-mono);font-size:var(--lh-text-small)}.eyebrow{margin:0 0 var(--lh-space-2);color:var(--lh-action);font:500 .75rem var(--lh-font-mono);letter-spacing:.1em;text-transform:uppercase}.eyebrow a{color:inherit}.skip-link{z-index:30;left:var(--lh-space-4);position:fixed;top:-5rem}.skip-link:focus{top:var(--lh-space-2)}.site-header{z-index:10;background:var(--lh-canvas);border-bottom:1px solid var(--signal);box-shadow:0 1px 12px color-mix(in srgb, var(--lh-action) 22%, transparent);position:sticky;top:0}.site-header .frame{align-items:stretch;gap:var(--lh-space-6);min-height:3.25rem;display:flex}.brand{color:var(--lh-text);letter-spacing:-.01em;white-space:nowrap;align-items:center;font-weight:700;text-decoration:none;display:inline-flex}.brand:hover{color:var(--lh-action)}.site-nav{align-items:stretch;margin-left:auto;display:flex}.site-nav a{padding:0 var(--lh-space-3);color:var(--lh-text-muted);transition:color var(--lh-motion-fast), background-color var(--lh-motion-fast), border-color var(--lh-motion-fast);border-bottom:2px solid #0000;align-items:center;margin-bottom:-1px;font-size:.875rem;font-weight:600;text-decoration:none;display:inline-flex}.site-nav a:hover{color:var(--lh-text);background:var(--lh-action-soft)}.site-nav a[aria-current=page]{color:var(--lh-text);border-bottom-color:var(--lh-action)}.theme-switch{border:1px solid var(--lh-border);align-self:center;display:inline-flex}.theme-switch button{width:2rem;height:1.875rem;color:var(--lh-text-muted);cursor:pointer;background:0 0;border:0;place-items:center;padding:0;display:grid}.theme-switch button+button{border-left:1px solid var(--lh-border)}.theme-switch button:hover{color:var(--lh-text)}.theme-switch button[aria-pressed=true]{background:var(--lh-action-soft);color:var(--lh-action)}.theme-switch svg{width:1rem;height:1rem}.menu-toggle{display:none}@media (max-width:52rem){.site-header .frame{gap:0 var(--lh-space-3);flex-wrap:wrap}.brand{min-height:3.5rem;margin-right:auto;font-size:1.0625rem}.menu-toggle{align-self:center;align-items:center;gap:var(--lh-space-2);min-height:2.75rem;padding:0 var(--lh-space-3);border:1px solid var(--lh-border);color:var(--lh-text);font:600 .9375rem var(--lh-font-sans);cursor:pointer;background:0 0;display:inline-flex}.menu-toggle:after{content:"";background:linear-gradient(currentColor,currentColor) 50%/100% 2px no-repeat;border-block:2px solid;width:.875rem;height:.625rem}.menu-toggle[aria-expanded=true]{border-color:var(--lh-action);color:var(--lh-action)}.site-nav,.site-header .theme-switch{display:none}.site-header[data-open] .site-nav{padding-bottom:var(--lh-space-3);border-top:1px solid var(--lh-border);flex:1 0 100%;order:3;margin:0;display:grid}.site-header[data-open] .site-nav a{min-height:3rem;padding:0 var(--lh-space-2);border-bottom:1px solid var(--lh-border);border-left:3px solid #0000;margin:0;font-size:1.125rem}.site-header[data-open] .site-nav a[aria-current=page]{border-bottom-color:var(--lh-border);border-left-color:var(--lh-action)}.site-header[data-open] .theme-switch{margin-bottom:var(--lh-space-4);order:4;display:inline-flex}.theme-switch button{width:2.75rem;height:2.75rem}}.site-footer{border-top:1px solid var(--lh-border);background:var(--lh-canvas);color:var(--lh-text-muted);font-size:var(--lh-text-small)}.site-footer>div{gap:var(--lh-space-1);padding-block:var(--lh-space-8);display:grid}.site-footer a{padding-block:var(--lh-space-2);color:inherit;display:inline-block}.site-footer a:hover{color:var(--lh-action)}.inline-list{gap:var(--lh-space-2) var(--lh-space-4);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.arrow{color:var(--lh-action);gap:.35em;font-weight:600;text-decoration:none;display:inline-flex}.arrow:after{content:"→";transition:transform var(--lh-motion-fast)}.arrow:hover:after{transform:translate(3px)}.section-head{justify-content:space-between;align-items:end;gap:var(--lh-space-4) var(--lh-space-8);margin-bottom:var(--lh-space-8);flex-wrap:wrap;display:flex}.section-head h2{letter-spacing:-.035em;margin:0;font-size:clamp(1.75rem,3.4vw,2.5rem);font-weight:650}.section-head>p{color:var(--lh-text-muted);margin:0}.name{margin:0 0 var(--lh-space-4);padding-bottom:var(--lh-space-3);border-bottom:4px solid var(--lh-action);letter-spacing:-.045em;font-size:clamp(2.75rem,6.5vw,5rem);font-weight:700;line-height:1;display:inline-block}.headline{margin:0 0 var(--lh-space-6);color:var(--lh-action);font-size:clamp(1.0625rem,1.8vw,1.3rem);font-weight:600}.intro{max-width:38rem;color:var(--lh-text);margin:0;font-size:clamp(1.0625rem,1.6vw,1.25rem);line-height:1.6}.intro a{color:var(--lh-text);-webkit-text-decoration-color:var(--lh-action);text-decoration-color:var(--lh-action);text-underline-offset:.2em;text-decoration-thickness:2px}.intro a:hover{color:var(--lh-action)}.own-words{max-width:36rem;margin:var(--lh-space-6) 0 0;padding:var(--lh-space-1) 0 var(--lh-space-1) var(--lh-space-4);border-left:3px solid var(--lh-action)}.own-words p{margin:0 0 var(--lh-space-2);font-size:clamp(1.125rem,1.8vw,1.3rem);font-style:italic;line-height:1.45}.own-words p:before{content:"“"}.own-words p:after{content:"”"}.own-words footer{color:var(--lh-text-muted);font-size:.875rem}.actions{align-items:center;gap:var(--lh-space-3) var(--lh-space-6);margin-top:var(--lh-space-8);flex-wrap:wrap;display:flex}.actions .lh-button{min-height:2.75rem;padding-inline:var(--lh-space-6);font-size:1rem}.photo{margin:0}.photo img{aspect-ratio:4/5;object-fit:cover;object-position:50% 30%;border:1px solid var(--lh-border-strong);width:100%;height:auto;box-shadow:14px 14px 0 color-mix(in srgb, var(--lh-action) 22%, transparent);display:block}.photo figcaption{margin-top:var(--lh-space-6);color:var(--lh-text-muted);font:500 .75rem var(--lh-font-mono);letter-spacing:.08em;text-transform:uppercase}.lede{max-width:46rem;margin-top:var(--lh-space-6);color:var(--lh-text-muted);font-size:clamp(1.0625rem,1.6vw,1.25rem);line-height:1.6}.jump{gap:var(--lh-space-2);margin:var(--lh-space-6) 0 0;flex-wrap:wrap;padding:0;font-size:.9375rem;list-style:none;display:flex}.topics ul{gap:var(--lh-space-2);margin:0 0 var(--lh-space-8);flex-wrap:wrap;padding:0;list-style:none;display:flex}.lh-root .topics a,.lh-root .jump a,.lh-root .tag-list a,.lh-root .record-links a{border:1px solid var(--lh-border-strong);background:var(--lh-canvas);color:var(--lh-text);transition:border-color var(--lh-motion-fast), transform var(--lh-motion-fast), color var(--lh-motion-fast);align-items:baseline;gap:.5em;padding:.35rem .75rem;font-size:.9375rem;text-decoration:none;display:inline-flex}.lh-root .topics a:hover,.lh-root .jump a:hover,.lh-root .tag-list a:hover,.lh-root .record-links a:hover{border-color:var(--lh-action);color:var(--lh-action);transform:translateY(-2px)}@media (prefers-reduced-motion:reduce){.lh-root *{transition:none!important}}body>main#main{width:100%;padding-top:0}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.course-hero{grid-template-columns:minmax(0,1fr) minmax(12rem,16rem);align-items:center;gap:clamp(2.5rem,6vw,5.5rem);padding-block:clamp(2.5rem,6vw,4.5rem) clamp(2rem,5vw,3.5rem);display:grid}.course-hero .name{font-size:clamp(2.5rem,6vw,4.5rem)}.course-hero .photo figcaption{margin-top:var(--lh-space-4)}@media (max-width:52rem){.course-hero{gap:var(--lh-space-8);grid-template-columns:1fr}.course-hero .photo{max-width:13rem}}.frame.jump{margin:0 auto;display:block}.jump ul{gap:var(--lh-space-2);padding:var(--lh-space-6) 0 0;border-top:1px solid var(--lh-border-strong);flex-wrap:wrap;margin:0;list-style:none;display:flex}.jump a span{color:var(--lh-action);font:600 var(--lh-text-small) var(--lh-font-mono)}.level{padding-top:clamp(3rem,7vw,4.5rem);scroll-margin-top:4rem}.level .section-head{margin-bottom:var(--lh-space-6);display:block}.level .section-head>p{max-width:46rem;margin-top:var(--lh-space-2)}.level .section-head .eyebrow{margin-bottom:var(--lh-space-2)}.modules{gap:var(--lh-space-6);grid-template-columns:repeat(3,minmax(0,1fr));margin:0;padding:0;list-style:none;display:grid}.modules.single{grid-template-columns:minmax(0,24rem);justify-content:center}.level:has(.modules.single) .section-head{text-align:center}.level:has(.modules.single) .section-head>p{margin-inline:auto}@media (max-width:60rem){.modules{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:40rem){.modules,.modules.single{grid-template-columns:minmax(0,1fr)}}.module article{height:100%;padding:var(--lh-space-6);border:1px solid var(--lh-border);border-top:3px solid var(--lh-action);background:var(--lh-surface);transition:transform var(--lh-motion-fast), box-shadow var(--lh-motion-fast);flex-direction:column;display:flex}.module article:hover,.module article:focus-within{box-shadow:3px 3px 0 var(--lh-action);transform:translate(-3px,-3px)}.module-id{color:var(--lh-action);font:600 1.5rem var(--lh-font-mono);margin:0;line-height:1}.module h3{margin:var(--lh-space-3) 0 var(--lh-space-2);font-size:1.25rem}.covers{margin:0 0 var(--lh-space-4);color:var(--lh-text-muted)}.module-meta{gap:var(--lh-space-1);margin:0 0 var(--lh-space-6);padding-top:var(--lh-space-3);border-top:1px solid var(--lh-border);font:.75rem var(--lh-font-mono);letter-spacing:.04em;display:grid}.module-meta div{gap:var(--lh-space-2);display:flex}.module-meta dt{min-width:5.5rem;color:var(--lh-text-muted);text-transform:uppercase}.module-meta dd{margin:0}.module-actions{gap:var(--lh-space-2);flex-wrap:wrap;margin:auto 0 0;display:flex}.module-actions .lh-button{min-height:2.75rem}.module.cert article{border:1px solid var(--lh-action);border-top-width:3px}.instructor{padding-block:clamp(3rem, 7vw, 4.5rem) var(--lh-space-12)}.instructor .section-head{margin-bottom:var(--lh-space-3);display:block}.instructor .headline{margin:0 0 var(--lh-space-4)}.instructor .record-links{gap:var(--lh-space-2);margin:var(--lh-space-6) 0 0;flex-wrap:wrap;padding:0;list-style:none;display:flex}.not-found{padding-block:var(--lh-space-12)}.not-found .page-title{padding-bottom:var(--lh-space-3);border-bottom:4px solid var(--lh-action);letter-spacing:-.045em;margin:0;font-size:clamp(2.5rem,6vw,4.25rem);line-height:1;display:inline-block}