:root {
  --bg: #fbfaf7;
  --ink: #1b1b1b;
  --ink-2: #4a4a48;
  --ink-3: #7d7c78;
  --rule: rgba(0, 0, 0, 0.14);
  --rule-strong: rgba(0, 0, 0, 0.32);
  --accent: #2b4c7e;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --measure: 68ch;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151514;
    --ink: #e8e5de;
    --ink-2: #b9b6ad;
    --ink-3: #85837c;
    --rule: rgba(255, 255, 255, 0.16);
    --rule-strong: rgba(255, 255, 255, 0.36);
    --accent: #93b4e4;
  }
}
* { box-sizing: border-box; }
html { font-size: 17px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.frame { max-width: 1080px; margin: 0 auto; padding: 1.5rem 1.5rem 3rem; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 0.15em; }
main a { color: var(--accent); }
main a:hover { text-decoration: underline; }

.site-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding-bottom: 0.9rem; border-bottom: 1px solid var(--rule);
  font-family: var(--sans); font-size: 0.86rem;
}
.site-nav { display: flex; gap: 1.1rem; flex-wrap: wrap; }
.site-nav a { color: var(--ink-2); }
.site-nav a.active { color: var(--ink); border-bottom: 1.5px solid var(--ink); padding-bottom: 3px; }

main { padding-top: 2rem; }
main > *:not(.home-grid):not(.masthead):not(.thesis):not(.currently):not(figure.wide):not(.tags-home):not(.item-stack) { max-width: var(--measure); }
.page-head { margin-bottom: 1.6rem; }
.page-head h1 { font-size: 1.7rem; line-height: 1.2; font-weight: 500; margin: 0 0 0.4rem; letter-spacing: -0.005em; }
.page-head .meta, .page-head .kicker { font-family: var(--sans); font-size: 0.82rem; color: var(--ink-2); margin: 0; }
.page-head .kicker { text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-3); font-size: 0.72rem; margin-bottom: 0.5rem; }

h2 { font-size: 1.12rem; font-weight: 500; margin: 2rem 0 0.6rem; letter-spacing: 0.005em; }
h3 { font-size: 1rem; font-weight: 500; margin: 1.5rem 0 0.35rem; }
p, li { margin: 0 0 0.8rem; }
ul, ol { padding-left: 1.2rem; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 2rem 0; }
.small, .note { font-family: var(--sans); font-size: 0.82rem; color: var(--ink-2); }
dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 1.25rem; font-size: 0.95rem; }
dl.facts dt { color: var(--ink-3); font-family: var(--sans); font-size: 0.8rem; padding-top: 0.15rem; }
dl.facts dd { margin: 0; }

.paper-list { list-style: none; padding: 0; }
.paper-list li { margin: 0 0 1rem; padding-left: 0; }
.paper-list .t { display: block; }
.paper-list .m { display: block; font-family: var(--sans); font-size: 0.8rem; color: var(--ink-2); margin-top: 0.1rem; }

.masthead { margin: 0 0 1.6rem; }
.masthead .name-line { font-family: var(--serif); font-size: 1.7rem; font-weight: 500; letter-spacing: -0.005em; line-height: 1.15; margin: 0 0 0.35rem; }
.thesis { font-size: 1.42rem; line-height: 1.4; max-width: 34em; margin: 0 0 1rem; letter-spacing: -0.003em; }
.currently { font-family: var(--sans); font-size: 0.82rem; color: var(--ink-2); margin: 0 0 2rem; }
.currently span { color: var(--ink-3); }

.home-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2.2rem;
  border-top: 1px solid var(--rule); padding-top: 1.6rem;
}
@media (max-width: 880px) { .home-grid { grid-template-columns: 1fr; gap: 2.4rem; } }
.block .label { font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 0.35rem; }
.block h2 { font-size: 1.15rem; margin: 0 0 0.6rem; }
.block p { font-size: 0.95rem; color: var(--ink-2); }
.block .fig { border: 1px solid var(--rule); border-radius: 4px; padding: 0.6rem; margin: 0.9rem 0; color: var(--ink-3); }
.block .fig svg { display: block; width: 100%; height: auto; }
.block .fig .acc { stroke: var(--accent); }
.block .fig .accf { fill: var(--accent); }
.block .fig text { font-family: var(--sans); font-size: 7.5px; fill: var(--ink-2); }
.block .proof { font-family: var(--sans); font-size: 0.8rem; color: var(--ink-2); margin: 0 0 0.35rem; }
.block .door { font-family: var(--sans); font-size: 0.84rem; color: var(--accent); }


@media print {
  html { font-size: 11pt; }
  body { background: #fff; color: #000; }
  .site-head { display: none; }
  .frame { max-width: none; padding: 0; }
  main > * { max-width: none !important; }
  a { color: #000; }
  @page { margin: 2cm; }
}

.masthead { display: grid; grid-template-columns: 200px 1fr; gap: 2.2rem; align-items: start; margin: 0 0 2.4rem; max-width: none; }
@media (max-width: 640px) { .masthead { grid-template-columns: 1fr; gap: 1.2rem; } .masthead-text { height: auto; } .masthead .thesis-list { gap: 0.4rem; } }
.masthead-text { display: flex; flex-direction: column; height: 322px; }
.masthead .role { font-family: var(--sans); font-size: 0.86rem; color: var(--ink-2); margin: 0 0 0.35rem; }
.masthead .credentials { list-style: none; padding: 0; margin: 0; font-family: var(--sans); font-size: 0.82rem; line-height: 1.55; color: var(--ink-3); }
.masthead .credentials li { margin: 0; }
.masthead .thesis-list { list-style: none; padding: 0; margin: 1.2rem 0 0; flex: 1; display: flex; flex-direction: column; justify-content: space-between; font-size: 1.42rem; line-height: 1.45; letter-spacing: -0.003em; }
.masthead .thesis-list li { margin: 0; }
.masthead .thesis { margin: 0 0 1rem; max-width: 30em; }
.bio p { margin: 0 0 0.7rem; max-width: 34em; }
.bio p:last-child { margin-bottom: 0; }
.background { font-family: var(--sans); font-size: 0.85rem; color: var(--ink-2); max-width: 46em; margin: 2.4rem 0 0; line-height: 1.6; }
.contact { font-family: var(--sans); font-size: 0.85rem; color: var(--ink-2); margin: 1rem 0 0; }
.portrait { display: block; width: 200px; height: 322px; object-fit: cover; object-position: 50% 50%; border-radius: 4px; }
.block .fig.photo { padding: 0; overflow: hidden; display: block; }
.block .fig.photo img { display: block; width: 100%; height: auto; }
figure { margin: 1.4rem 0; }
figure img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); border-radius: 4px; }
figure.wide { max-width: none; color: var(--ink-3); }
figure.wide svg { display: block; width: 100%; max-width: 640px; height: auto; }
figure.wide text { font-family: var(--sans); font-size: 8px; fill: var(--ink-2); }
figure.wide .sub text { fill: var(--ink-3); font-size: 7px; }
figure.wide .acct { fill: var(--accent); font-size: 7px; }
figcaption { font-family: var(--sans); font-size: 0.8rem; color: var(--ink-2); margin-top: 0.5rem; }
@media (prefers-color-scheme: dark) { figure img, .block .fig.photo img { filter: invert(0.92) hue-rotate(180deg); } .portrait, figure.photo img { filter: none !important; } }

/* research: paper stack with expandable abstracts */
.item-stack { max-width: none; border-top: 1px solid var(--rule); }
details.item { border-bottom: 1px solid var(--rule); }
details.item summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 1fr 1.2rem; column-gap: 1rem; row-gap: 0; align-items: start; padding: 0.95rem 0; }
details.item summary::-webkit-details-marker { display: none; }
details.item summary .t { display: block; font-size: 1.05rem; line-height: 1.35; }
details.item summary .m { display: block; font-family: var(--sans); font-size: 0.8rem; color: var(--ink-2); margin-top: 0; }
details.item summary .chev { grid-column: 2; grid-row: 1 / span 3; align-self: center; width: 0.55rem; height: 0.55rem; border-right: 1.5px solid var(--ink-3); border-bottom: 1.5px solid var(--ink-3); transform: rotate(45deg); transition: transform 0.25s ease; margin-top: 0.1rem; }
details.item[open] summary .chev { transform: rotate(-135deg); }
details.item summary:hover .t { color: var(--accent); }
details.item .abs { overflow: hidden; transition: height 0.3s ease; max-width: var(--measure); padding: 0 0 1.1rem; }
details.item .abs p { margin: 0 0 0.6rem; }
details.item .abs .links { font-family: var(--sans); font-size: 0.8rem; color: var(--ink-2); }
/* teaching / building: course and venture meta line */
h2 + p.meta { font-family: var(--sans); font-size: 0.8rem; color: var(--ink-3); margin: -0.5rem 0 0.7rem; }

/* tags */
.tags { list-style: none; padding: 0; margin: 0.9rem 0 0; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tags li { font-family: var(--sans); font-size: 0.72rem; line-height: 1; color: var(--ink-2); border: 1px solid var(--rule); border-radius: 3px; padding: 0.38rem 0.55rem; white-space: nowrap; }
.tags-home { margin: 0 0 2.4rem; max-width: none; }
details.item summary .tags { margin: 0.5rem 0 0.62rem; }
.tags li a { color: inherit; text-decoration: none; display: block; margin: -0.38rem -0.55rem; padding: 0.38rem 0.55rem; }
.tags li:hover { border-color: var(--ink-2); color: var(--ink); }
.tags li.active { background: var(--ink); border-color: var(--ink); color: var(--paper, #fff); }
.tag-page h2 { margin-top: 2rem; }
details.item summary .m a { color: inherit; text-decoration: none; border-bottom: 1px solid var(--rule); }
details.item summary .m a:hover { color: var(--accent); border-color: var(--accent); }