:root{color-scheme:light;--background: #ffffff;--surface: #f6f6f6;--text: #222222;--muted: #666666;--faint: #929292;--border: #e3e3e3;--accent: #2c5d88;--accent-hover: #183e61;--selection: #dceaf6;--max-width: 900px}html[data-theme="dark"]{color-scheme:dark;--background: #121212;--surface: #1c1c1c;--text: #e8e8e8;--muted: #b0b0b0;--faint: #858585;--border: #303030;--accent: #8db7db;--accent-hover: #b8d4eb;--selection: #29465f}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--background);color:var(--text);font-family:Helvetica, Arial, sans-serif;font-size:15px;line-height:1.55;transition:background-color 160ms ease, color 160ms ease}::selection{background:var(--selection)}a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:0.14em}a:hover{color:var(--accent-hover)}.skip-link{position:fixed;top:0.75rem;left:0.75rem;z-index:10;padding:0.4rem 0.65rem;background:var(--text);color:var(--background);transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}.shell{display:grid;grid-template-columns:190px minmax(0, 620px);gap:clamp(3rem, 8vw, 6rem);width:min(calc(100% - 3rem), var(--max-width));margin:0 auto;padding:4.25rem 0 2.5rem}.sidebar{position:sticky;top:4.25rem;align-self:start}.profile-photo{width:7.5rem;height:7.5rem;margin-bottom:1rem;overflow:hidden;border:1px solid var(--border);border-radius:50%;background:var(--surface)}.profile-photo img{display:block;width:210%;max-width:none;height:auto;transform:translate(-25.5%, -21.5%)}.site-name{display:inline-block;color:var(--text);font-size:1.65rem;font-weight:700;letter-spacing:-0.025em;line-height:1.05;text-decoration:none}.site-name:hover{color:var(--text)}.site-nav{display:flex;flex-direction:column;align-items:flex-start;margin-top:1.25rem;gap:0.75rem}.site-nav-group{display:flex;flex-direction:column;align-items:flex-start;gap:0.4rem}.site-nav a{color:var(--muted);font-size:0.9rem;text-decoration:none}.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--text)}.site-nav-pages a{padding-bottom:0.08rem;border-bottom:1px solid transparent}.site-nav-pages a[aria-current="page"]{border-bottom-color:var(--accent)}.site-nav .social-link{display:grid;grid-template-columns:0.9rem auto;gap:0.45rem;align-items:center}.social-icon{width:0.82rem;height:0.82rem;background-color:currentColor;-webkit-mask-position:center;mask-position:center;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-size:contain;mask-size:contain}.social-icon--x{-webkit-mask-image:url("/assets/images/social/x.svg");mask-image:url("/assets/images/social/x.svg")}.social-icon--github{-webkit-mask-image:url("/assets/images/social/github.svg");mask-image:url("/assets/images/social/github.svg")}.social-icon--linkedin{-webkit-mask-image:url("/assets/images/social/linkedin.svg");mask-image:url("/assets/images/social/linkedin.svg")}.social-icon--strava{-webkit-mask-image:url("/assets/images/social/strava.svg");mask-image:url("/assets/images/social/strava.svg")}.theme-toggle{margin-top:1.25rem;padding:0;border:0;border-bottom:1px solid var(--border);background:transparent;color:var(--faint);cursor:pointer;font:inherit;font-size:0.78rem;line-height:1.7}.theme-toggle:hover{color:var(--text);border-color:var(--text)}.content{min-width:0}.intro{max-width:60ch;margin:0 0 2.75rem}h1,h2,h3{color:var(--text);font-family:Helvetica, Arial, sans-serif;font-weight:600;line-height:1.25}h1{margin:0 0 1rem;font-size:1.8rem;letter-spacing:-0.02em}h2{margin:3.25rem 0 1rem;font-size:1.25rem}h3{margin:0;font-size:1rem}p{margin:0 0 0.9rem}.timeline{margin-top:0.65rem;border-top:1px solid var(--border)}.timeline-item{display:grid;grid-template-columns:4.75rem 3.75rem minmax(0, 1fr);gap:1rem;align-items:start;padding:1.25rem 0;border-bottom:1px solid var(--border)}.timeline-year{padding-top:0.15rem;color:var(--faint);font-size:0.76rem;white-space:nowrap}.timeline-logo{display:flex;align-items:center;justify-content:center;width:3.75rem;height:2.75rem;padding:0.35rem;border:1px solid #e6e6e6;border-radius:3px;background:#ffffff}.timeline-logo img{display:block;width:100%;height:100%;object-fit:contain}.timeline-logo--tall img{width:auto}.timeline-logo--wide{padding:0.45rem 0.3rem}.timeline-copy p{margin:0.3rem 0 0;color:var(--muted);font-size:0.91rem}.timeline-copy .timeline-note{margin-top:0.65rem;color:var(--text);font-size:0.86rem;line-height:1.45}.timeline-note span{display:inline-block;margin-right:0.5rem;color:var(--faint);font-size:0.7rem;font-weight:700;letter-spacing:0.06em;text-transform:uppercase}.post-list{list-style:none;margin:0;padding:0}.post-list-item{display:grid;grid-template-columns:4.75rem 1fr;gap:1rem;padding:1rem 0;border-top:1px solid var(--border)}.post-list-item:last-child{border-bottom:1px solid var(--border)}.post-list-meta{display:flex;flex-direction:column;color:var(--faint);font-size:0.7rem;text-transform:lowercase}.post-list-item h3 a{color:var(--text);text-decoration:none}.post-list-item h3 a:hover{color:var(--accent)}.post-list-item h3 .external-link{display:grid;grid-template-columns:minmax(0, 1fr) auto;gap:0.45rem;align-items:start}.post-list-item p,.empty-state{margin:0.3rem 0 0;color:var(--muted);font-size:0.91rem}.external-mark{margin-top:0.2em;color:var(--faint);font-size:0.74em;line-height:1}.writing-all{margin:1.15rem 0 0;font-size:0.86rem}.writing-all a{color:var(--muted);text-decoration:none}.writing-all a:hover{color:var(--accent)}.writing-intro{margin-bottom:2.5rem}.writing-intro p,.courses-header p{max-width:58ch;color:var(--muted)}.courses-header{margin-bottom:2.75rem}.course-section{margin-top:2.75rem}.course-section h2{margin-top:0;padding-bottom:0.55rem;border-bottom:1px solid var(--border)}.course-group{display:grid;grid-template-columns:8.5rem minmax(0, 1fr);gap:1rem;padding:0.9rem 0 0.4rem}.course-group h3{padding-top:0.1rem;color:var(--muted);font-size:0.82rem}.course-list{list-style:none;margin:0;padding:0}.course-list li{display:grid;grid-template-columns:8rem minmax(0, 1fr);gap:0.75rem;padding:0.3rem 0}.course-code{color:var(--faint);font-size:0.78rem;white-space:nowrap}.back-link{display:inline-block;margin-bottom:2rem;color:var(--muted);font-size:0.86rem;text-decoration:none}.post-header{padding-bottom:1.25rem;border-bottom:1px solid var(--border)}.post-meta{margin:0;color:var(--faint);font-size:0.76rem}.post-meta-row{display:flex;flex-wrap:wrap;gap:0.75rem 1rem;align-items:center;justify-content:space-between;margin-top:0.85rem}.post-external-link{display:inline-flex;gap:0.35rem;align-items:center;padding:0.3rem 0.55rem;border:1px solid var(--border);border-radius:3px;color:var(--muted);font-size:0.76rem;line-height:1.4;text-decoration:none}.post-external-link:hover{border-color:var(--accent);color:var(--accent)}.post-hero{margin:1.5rem 0 0}.post-hero img,.post-body figure img{display:block;width:100%;height:auto;border:1px solid var(--border);border-radius:3px}.post-image-zoom{cursor:zoom-in}.post-image-zoom:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.lightbox-open{overflow:hidden}.image-lightbox{position:fixed;inset:0;z-index:100;display:none;width:100%;max-width:none;height:100%;max-height:none;margin:0;padding:3.5rem 1.25rem 1.25rem;border:0;background:rgba(8,8,8,0.96);color:#ffffff;overflow:hidden}.image-lightbox[open]{display:flex;align-items:center;justify-content:center}.image-lightbox::backdrop{background:rgba(0,0,0,0.88)}.image-lightbox-stage{display:flex;flex-direction:column;align-items:center;justify-content:center;max-width:100%;max-height:100%}.image-lightbox-stage img{display:block;width:auto;max-width:calc(100vw - 2.5rem);height:auto;max-height:calc(100vh - 6.5rem);object-fit:contain}.image-lightbox-caption{max-width:65ch;margin:0.75rem 0 0;color:#d0d0d0;font-size:0.78rem;line-height:1.45;text-align:center}.image-lightbox-close{position:fixed;top:max(0.75rem, env(safe-area-inset-top));right:max(0.75rem, env(safe-area-inset-right));z-index:1;display:inline-flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;padding:0;border:1px solid rgba(255,255,255,0.4);border-radius:50%;background:rgba(0,0,0,0.35);color:#ffffff;cursor:pointer;font:inherit;font-size:1.45rem;line-height:1}.image-lightbox-close:hover,.image-lightbox-close:focus-visible{border-color:#ffffff;background:rgba(255,255,255,0.12);outline:none}.post-toc{max-width:65ch;margin-top:1.75rem;padding:1rem 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.post-toc-title{margin:0;color:var(--text);font-size:0.82rem;font-weight:600}.post-toc-list,.post-toc-sublist{margin:0.55rem 0 0;padding-left:1.35rem}.post-toc-sublist{margin-top:0.3rem;list-style-type:lower-alpha}.post-toc li{padding-left:0.15rem;color:var(--faint);font-size:0.8rem;line-height:1.4}.post-toc li+li{margin-top:0.28rem}.post-toc a{color:var(--muted);text-decoration:none}.post-toc a:hover{color:var(--accent)}.post-outline{display:none}.post-outline-rail{display:flex;flex-direction:column;align-items:flex-end;gap:0.16rem;padding:0.15rem 0 0.15rem 0.8rem}.post-outline-tick{display:flex;align-items:center;justify-content:flex-end;width:1.5rem;height:0.62rem;text-decoration:none}.post-outline-tick::before{width:1rem;height:2px;border-radius:2px;background:var(--border);content:"";transition:width 140ms ease, background-color 140ms ease, box-shadow 140ms ease}.post-outline-tick--h3::before{width:0.68rem}.post-outline-tick:hover::before,.post-outline-tick:focus-visible::before,.post-outline-tick.is-active::before{width:1.3rem;background:var(--accent)}.post-outline-tick.is-active::before{box-shadow:0 0 5px var(--accent)}.post-outline-tick:focus-visible{border-radius:2px;outline:1px solid var(--accent);outline-offset:1px}.post-outline-panel{min-width:0;max-height:calc(100vh - 8.5rem);padding-right:0.25rem;overflow-y:auto}.post-outline-title{margin:0 0 0.65rem;color:var(--faint);font-size:0.7rem;font-weight:600;letter-spacing:0.05em;text-transform:uppercase}.post-outline-list,.post-outline-sublist{margin:0;padding-left:1.35rem}.post-outline-sublist{margin-top:0.35rem;padding-left:1.25rem;list-style-type:lower-alpha}.post-outline-list>.post-outline-item+.post-outline-item,.post-outline-sublist>.post-outline-item+.post-outline-item{margin-top:0.38rem}.post-outline-item a{padding-left:0.08rem;color:var(--muted);font-size:0.8rem;line-height:1.35;text-decoration:none}.post-outline-item a:hover,.post-outline-item a:focus-visible,.post-outline-item a.is-active{color:var(--accent)}.post-body{max-width:65ch;padding-top:1.75rem}.post-body h2,.post-body h3{position:relative;scroll-margin-top:1rem}.heading-anchor{position:absolute;top:0.08em;left:-1.1rem;display:inline-flex;align-items:center;justify-content:center;width:0.9rem;color:var(--faint);font-size:0.72em;font-weight:400;line-height:1;text-decoration:none;opacity:0}.post-body h2:hover>.heading-anchor,.post-body h3:hover>.heading-anchor,.heading-anchor:focus-visible,.heading-anchor.is-copied{color:var(--accent);opacity:1}.heading-anchor:focus-visible{outline:1px solid var(--accent);outline-offset:2px}.post-body h2{margin-top:2.5rem}.post-body h3{margin:2rem 0 0.75rem}.post-body figure{margin:1.75rem 0}.post-body figcaption{margin-top:0.5rem;color:var(--faint);font-size:0.76rem;line-height:1.45}.post-body table{width:100%;border-collapse:collapse;font-size:0.84rem}.post-body th,.post-body td{padding:0.5rem 0.6rem;border:1px solid var(--border);text-align:right;white-space:nowrap}.post-body th:first-child,.post-body td:first-child{text-align:left}.post-table-wrap{overflow-x:auto;margin:1.5rem 0}.math-display{position:relative;margin:1.5rem 0}.math-display-scroll{overflow-x:auto;overflow-y:hidden;padding:0.35rem 0 0.55rem;cursor:text;overscroll-behavior-inline:contain;scrollbar-width:thin;-webkit-overflow-scrolling:touch}.math-display-scroll>mjx-container[display="true"]{width:max-content;min-width:100%;margin:0 !important;user-select:text;-webkit-user-select:text}.post-body mjx-container{user-select:text;-webkit-user-select:text}.math-copy-button{position:absolute;top:-0.85rem;right:0;z-index:1;padding:0.12rem 0;border:0;border-bottom:1px solid transparent;background:var(--background);color:var(--faint);cursor:pointer;font:inherit;font-size:0.68rem;line-height:1.4}.math-copy-button:hover,.math-copy-button:focus-visible,.math-copy-button.is-copied{border-bottom-color:currentColor;color:var(--accent);outline:none}.post-body blockquote{margin:1.5rem 0;padding-left:1rem;border-left:2px solid var(--accent);color:var(--muted)}.post-body code{padding:0.1em 0.3em;border-radius:3px;background:var(--surface);font-family:monospace;font-size:0.9em}.post-body pre{overflow-x:auto;padding:1rem;border:1px solid var(--border);background:var(--surface)}.post-body pre code{padding:0;background:transparent}.site-footer{margin-top:4rem;padding-top:1rem;border-top:1px solid var(--border);color:var(--faint);font-size:0.72rem}@media (max-width: 760px){.shell{display:block;width:min(calc(100% - 2.25rem), 620px);padding-top:2.25rem}.sidebar{position:static;padding-bottom:2rem;border-bottom:1px solid var(--border)}.profile-photo{margin-bottom:1.25rem}.site-name{display:flex;flex-wrap:wrap;column-gap:0.28em;line-height:1.15}.site-name br{display:none}.site-nav{align-items:stretch;margin-top:1.5rem;gap:0.9rem}.site-nav-group{flex-direction:row;flex-wrap:wrap;align-items:center;gap:0.65rem 1.2rem}.theme-toggle{margin-top:1.15rem}.content{padding-top:2.25rem}.heading-anchor{position:static;margin-right:0.35rem;opacity:0.5}}@media (min-width: 1320px){.has-post-layout .shell{grid-template-columns:190px minmax(0, 960px);gap:clamp(3rem, 6vw, 5rem);width:min(calc(100% - 3rem), 1230px)}.content--post{display:grid;grid-template-columns:minmax(0, 620px) minmax(220px, 1fr);column-gap:clamp(2.5rem, 4vw, 4rem);align-items:start}.content--post .post{grid-column:1}.content--post .post-toc{display:none}.post-outline:not([hidden]){position:sticky;top:4.25rem;z-index:10;display:grid;grid-column:2;grid-template-columns:minmax(0, 1fr) auto;align-self:start;max-height:calc(100vh - 8.5rem)}.post-outline-panel{grid-column:1;grid-row:1}.post-outline-rail{grid-column:2;grid-row:1}}@media (max-width: 540px){.timeline-item{grid-template-columns:3.25rem minmax(0, 1fr);gap:0.3rem 0.85rem}.timeline-logo{grid-column:1;grid-row:1 / span 2;width:3.25rem;height:2.5rem}.timeline-year{grid-column:2;grid-row:1;padding-top:0}.timeline-copy{grid-column:2;grid-row:2}.post-list-item{display:block}.post-list-meta{flex-direction:row;gap:0.65rem;margin-bottom:0.35rem}.course-group{display:block}.course-group h3{margin-bottom:0.45rem}.course-list li{grid-template-columns:6.75rem minmax(0, 1fr);gap:0.6rem}}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}body{transition:none}.post-outline-tick::before{transition:none}}@media print{.sidebar nav,.theme-toggle,.post-outline,.site-footer{display:none}.has-post-layout .post-toc{display:block}body{background:#fff;color:#111}.shell{display:block;width:100%;padding:0}.sidebar{position:static;margin-bottom:2rem}}