:root {
  color-scheme: light;
  --bg: #F9F8F4;
  --surface: #fffaf3;
  --text: #1d1a17;
  --muted: #665d54;
  --accent: #bf5700;
  --accent-soft: #f5e1d2;
  --line: #d9cbbb;
  --shadow: 0 10px 28px rgba(61, 42, 28, 0.06);
  --max-width: 1280px;
  --rail-width: clamp(250px, 25vw, 330px);
  --rail-news-paper: color-mix(in srgb, var(--surface) 88%, var(--bg));
  --social-pill-bg: #f4f4f5;
  --social-pill-border: #e0e0e0;
  --social-pill-fg: #4a4a4a;
  --mono-font: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #12100e;
  --surface: #181412;
  --text: #f6ede3;
  --muted: #c7b8a7;
  --accent: #ffb45c;
  --accent-soft: #3a2415;
  --line: #30271f;
  --shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
  --rail-news-paper: color-mix(in srgb, var(--surface) 88%, var(--bg));
  --social-pill-bg: color-mix(in srgb, var(--surface) 88%, var(--bg));
  --social-pill-border: color-mix(in srgb, var(--line) 75%, transparent);
  --social-pill-fg: color-mix(in srgb, var(--muted) 88%, var(--text));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Manrope", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 10%, transparent), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 92%, white) 100%);
  line-height: 1.72;
  transition: background-color 180ms ease, color 180ms ease;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--accent);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

button {
  font: inherit;
}

.page-shell {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
  padding: 6rem 0 4.5rem;
}

.theme-toggle {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  color: var(--text);
  box-shadow: var(--shadow);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.theme-toggle:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.layout {
  display: grid;
  grid-template-columns: var(--rail-width) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
}

.rail {
  position: fixed;
  top: 6rem;
  left: max(1rem, calc((100vw - var(--max-width)) / 2));
  width: var(--rail-width);
  z-index: 10;
  padding: 0;
}

main {
  grid-column: 2;
  min-width: 0;
}

.rail-portrait {
  margin: 0 0 1rem;
}

.rail-portrait img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1.12;
  object-fit: cover;
  border-radius: 3px 3px 3px 3px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: "Fraunces", "Times New Roman", serif;
  font-size: clamp(2.1rem, 2vw, 2.7rem);
  line-height: 0.92;
  letter-spacing:0em;
  max-width: 10.2ch;
}

.lede {
  margin: -0.98rem 0 0;
  color: var(--muted);
  font-size: 1.03rem;
  max-width: 30ch;
  white-space: pre-line;
}

.contact-mono {
  display: inline-block;
  color: color-mix(in srgb, var(--text) 86%, var(--accent));
  font-family: var(--mono-font);
  font-size: 0.82em;
  line-height: 1.55;
  letter-spacing: 0.01em;
}

.rail-blurb {
  margin: 1.2rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  max-width: 32ch;
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.72rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  padding: 0.42rem 0.82rem;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--line));
  border-radius: 14px;
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--surface) 94%, var(--accent-soft)) 0%,
      color-mix(in srgb, var(--surface) 86%, var(--accent-soft)) 100%);
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  box-shadow: 0 8px 18px rgba(61, 42, 28, 0.04);
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease;
}

.social-link svg {
  width: 0.95rem;
  height: 0.95rem;
  flex-shrink: 0;
  color: var(--accent);
}

.social-link-text {
  white-space: nowrap;
}

.social-link:hover,
.social-link:focus-visible {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  color: var(--accent);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--accent-soft) 82%, var(--surface)) 0%,
      color-mix(in srgb, var(--accent-soft) 68%, var(--surface)) 100%);
  box-shadow: 0 10px 22px rgba(61, 42, 28, 0.06);
}

html[data-theme="dark"] .social-link:hover,
html[data-theme="dark"] .social-link:focus-visible {
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--surface) 84%, var(--accent) 12%) 0%,
      color-mix(in srgb, var(--surface) 78%, var(--accent) 16%) 100%);
}

.rail-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.2rem;
}

.fact {
  display: inline-flex;
  align-items: center;
  min-height: 2.1rem;
  padding: 0.35rem 0.72rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  font-size: 0.9rem;
}

.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.2rem;
}

.nav-link {
  min-height: 2.1rem;
  display: flex;
  align-items: center;
  color: var(--muted);
  padding: 0.22rem 0;
  position: relative;
  transition: color 160ms ease;
}

.nav-link::before {
  content: "";
  width: 0.7rem;
  height: 1px;
  margin-right: 0.7rem;
  background: var(--line);
  transition: width 160ms ease, background-color 160ms ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active {
  color: var(--text);
}

.nav-link:hover::before,
.nav-link:focus-visible::before,
.nav-link.is-active::before {
  width: 1.6rem;
  background: var(--accent);
}

.rail-news {
  margin-top: 1rem;
  margin-bottom: 0.85rem;
}

.rail-news-box {
  position: relative;
  /* border: 1px solid var(--line); */
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  /* background: #d8cdc2; */
  background: var(--surface);
  overflow: visible;
  /* Bottom torn edge: notches are transparent → body gradient shows through */
  clip-path: polygon(
    0% 0%,
    100% 0%,
    100% calc(100% - 12px),
    96.875% 100%,
    93.75% calc(100% - 12px),
    90.625% 100%,
    87.5% calc(100% - 12px),
    84.375% 100%,
    81.25% calc(100% - 12px),
    78.125% 100%,
    75% calc(100% - 12px),
    71.875% 100%,
    68.75% calc(100% - 12px),
    65.625% 100%,
    62.5% calc(100% - 12px),
    59.375% 100%,
    56.25% calc(100% - 12px),
    53.125% 100%,
    50% calc(100% - 12px),
    46.875% 100%,
    43.75% calc(100% - 12px),
    40.625% 100%,
    37.5% calc(100% - 12px),
    34.375% 100%,
    31.25% calc(100% - 12px),
    28.125% 100%,
    25% calc(100% - 12px),
    21.875% 100%,
    18.75% calc(100% - 12px),
    15.625% 100%,
    12.5% calc(100% - 12px),
    9.375% 100%,
    6.25% calc(100% - 12px),
    3.125% 100%,
    0% calc(100% - 12px)
  );
}

.rail-news-title {
  position: sticky;
  top: 0;
  z-index: 2;
  margin: 0 0.7em 0.55rem;
  /* Top inset lives on the title (opaque) so items cannot scroll “above” News in the scroll padding gap */
  padding: 0.65rem 0 0.5rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: var(--surface);
  /* border-bottom: 1px solid color-mix(in srgb, var(--line) 95%, transparent); */
  border-bottom: 1.5px solid color-mix(in srgb, var(--accent) 28%, var(--line));
}

.rail-news-scroll {
  position: relative;
  z-index: 1;
  box-sizing: border-box;
  height: clamp(11.5rem, 24vh, 14rem);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 0 0.7rem 1.35rem;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--accent) 42%, var(--line)) transparent;
}

.rail-news-scroll::-webkit-scrollbar {
  width: 6px;
}

.rail-news-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.rail-news-scroll::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 42%, var(--line));
}

.rail-news-scroll:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--accent) 52%, transparent);
}

.rail-news-list {
  display: grid;
  gap: 0.45rem;
}

.rail-news-item {
  display: grid;
  grid-template-columns: 5.35rem minmax(0, 1fr);
  gap: 0.4rem 0.55rem;
  align-items: start;
  padding: 0.45rem 0.5rem;
  border-radius: 4px;
  /* background: color-mix(in srgb, var(--surface) 55%, transparent); */
}

.rail-news-date {
  display: block;
  margin: 0;
  padding: 0;
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.42;
  text-transform: uppercase;
}

.rail-news-text {
  margin: -0.15em;
  padding: 0;
  font-size: 0.86rem;
  line-height: 1.42;
  color: var(--muted);
  font-family: var(--mono-font);
  font-weight: 400;
  font-style: normal;
}

.rail-news-text a {
  color: inherit;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
  text-decoration-color: color-mix(in srgb, var(--accent) 55%, transparent);
}

.rail-news-text a:hover,
.rail-news-text a:focus-visible {
  color: var(--accent);
  text-decoration-color: currentColor;
}

/* Top-floating TOC bar. */
.toc-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  width: auto;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.72rem 1.1rem 0.84rem;
  border: 1px solid color-mix(in srgb, var(--line) 84%, transparent);
  border-radius: 0 0 0.42rem 0.42rem;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface) 96%, white) 0%, var(--surface) 100%);
  box-shadow: 0 14px 30px rgba(61, 42, 28, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: visible;
}

.toc-sidebar::before {
  content: "";
  position: absolute;
  inset: 0.14rem;
  border: 1px solid color-mix(in srgb, var(--line) 60%, transparent);
  border-radius: inherit;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
  background: transparent;
  pointer-events: none;
}

.toc-edge {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.28rem;
  height: 1px;
  background:
    linear-gradient(90deg,
      transparent 0%,
      color-mix(in srgb, var(--accent) 18%, var(--line)) 10%,
      color-mix(in srgb, var(--accent) 38%, var(--line)) 50%,
      color-mix(in srgb, var(--accent) 18%, var(--line)) 90%,
      transparent 100%);
  opacity: 0.75;
  pointer-events: none;
  z-index: 0;
}

.toc-sidebar::after {
  content: "VALID FOR THIS PAGE";
  position: absolute;
  left: 50%;
  top: -0.56rem;
  transform: translateX(-50%);
  padding: 0 0.45rem;
  background: var(--bg);
  color: var(--accent);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.28em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.toc-sidebar .toc-panel {
  position: relative;
  z-index: 1;
}

.toc-edge {
  z-index: 0;
}

.toc-panel {
  flex: 1;
  padding: 0;
  border: 0;
  background: transparent;
}

.toc-panel .nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.toc-panel .nav-link {
  min-height: 1.5rem;
  padding: 0.08rem 0 0.16rem;
  border: 0;
  border-radius: 0;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: transparent;
  text-decoration: none;
  transition: color 160ms ease, text-decoration-color 160ms ease, transform 160ms ease;
}

.toc-panel .nav-link::before {
  display: none;
}

.toc-panel .nav-link:hover,
.toc-panel .nav-link:focus-visible {
  color: var(--text);
  transform: translateY(-1px);
}

.toc-panel .nav-link.is-active {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: 1.8px;
  text-underline-offset: 0.22em;
  text-decoration-color: var(--accent);
}

.section {
  padding-top: 1.8rem;
  margin-top: 3rem;
  scroll-margin-top: 7rem;
}

.section:first-child {
  margin-top: 0;
  padding-top: 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.publications-head {
  align-items: center;
  margin-bottom: 0.95rem;
}

.section-note {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

h2 {
  margin: 0;
  font-size: clamp(1.15rem, 1.2vw, 1.75rem);
  line-height: 1.08;
  display: inline-block;
  padding-bottom: 0.22rem;
  text-decoration: underline;
  text-decoration-thickness: 3px;
  text-underline-offset: 0.28em;
  text-decoration-color: transparent;
  background-image: linear-gradient(
    90deg,
    color-mix(in srgb, var(--accent) 64%, var(--accent-soft)),
    color-mix(in srgb, var(--accent) 28%, transparent)
  );
  background-repeat: no-repeat;
  background-size: 100% 3px;
  background-position: 0 100%;
}

.pub-panel {
  margin-top: 0.85rem;
}

.pub-row {
  display: grid;
  grid-template-columns: 8.8rem minmax(0, 1fr);
  column-gap: 1rem;
  row-gap: 0.55rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  align-items: start;
}

.pub-row > .pub-date {
  grid-column: 1;
  grid-row: 1;
  align-self: center;
}

.pub-row > .pub-tags {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  align-self: center;
  margin: 0;
}

.pub-row > .pub-body {
  grid-column: 1 / -1;
  grid-row: 2;
}

.pub-row:first-child {
  border-top: 0;
  padding-top: 0.15rem;
}

.pub-date {
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pub-body {
  text-align: left;
}

.pub-body h3 {
  margin: 0;
  display: block;
  font-size: 1.05rem;
  line-height: 1.38;
}

.pub-acronym {
  flex: none;
  font-weight: 800;
  color: var(--text);
}

.pub-subtitle {
  margin-left: 0.35rem;
}

.pub-body p {
  margin: 0.35rem 0 0;
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 0.72rem;
}

.pub-link {
  display: inline-block;
  min-height: 0;
  padding: 0;
  border-radius: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--line) 78%, transparent);
  text-underline-offset: 0.18em;
  transition: color 140ms ease, text-decoration-color 140ms ease;
}

.pub-link:hover,
.pub-link:focus-visible {
  color: var(--accent);
  text-decoration-color: currentColor;
}

.pub-link.is-primary {
  color: var(--text);
  font-weight: 700;
}

.pub-bib-toggle {
  cursor: pointer;
}

.pub-bib-toggle[aria-expanded="true"] {
  color: var(--accent);
  text-decoration-color: currentColor;
}

.pub-bib-card {
  margin-top: 0.72rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  border-radius: 6px;
  background: color-mix(in srgb, var(--surface) 82%, var(--bg));
}

.pub-bib-card pre {
  margin: 0;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.76rem;
  line-height: 1.48;
  color: var(--muted);
}

.pub-tldr {
  /* margin-top: 0.85rem; */
  /* padding-top: 0.85rem; */
  color: var(--text);
}

.pub-tldr span {
  display: inline-block;
  margin-right: 0.45rem;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.pub-authors {
  color: var(--muted);
  font-style: italic;
  font-size: 1rem;
}

.pub-year-group {
  margin-top: 1.25rem;
  padding-top: 1rem;
}

.pub-year-group:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.pub-all-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.3rem;
}

.pub-all-label {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.pub-all-count {
  color: var(--muted);
  font-size: 0.88rem;
}

.section-body {
  display: grid;
  gap: 1.5rem;
}

.two-col {
  grid-template-columns: minmax(0, 1.1fr) minmax(220px, 270px);
}

.prose {
  max-width: 66ch;
}

.prose.narrow {
  max-width: 58ch;
}

#goals .prose.narrow {
  max-width: none;
}

/* Full main column width (no side column, match other sections) */
.prose.prose-flow {
  max-width: none;
}

.prose p {
  margin: 0;
  font-size: 1.02rem;
}

.prose p + p {
  margin-top: 0.95rem;
}

.side-note {
  align-self: start;
  padding-top: 0.45rem;
  border-top: 1px solid var(--line);
}

.side-label {
  margin: 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 2.2rem;
  padding: 0.42rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 74%, transparent);
  font-size: 0.9rem;
}

.activity-panel {
  display: grid;
  gap: 0.85rem;
  padding: 1rem 1.05rem 1.05rem;
  border: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  border-radius: 4px;
  background: color-mix(in srgb, var(--surface) 84%, var(--bg));
  box-shadow: 0 10px 24px rgba(61, 42, 28, 0.04);
}

.activity-intro {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.activity-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.activity-item {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr);
  gap: 0.3rem 1.25rem;
  align-items: start;
  padding: 0.85rem 0.15rem 0.85rem;
  border-top: 1px dashed color-mix(in srgb, var(--line) 72%, transparent);
}

.activity-item:first-child {
  border-top: 0;
  padding-top: 0.15rem;
}

.activity-item--more[hidden] {
  display: none;
}

.activity-date {
  grid-column: 1;
  grid-row: 1;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.activity-text {
  grid-column: 2;
  grid-row: 1;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
}

.activity-institution {
  display: block;
  margin-top: 0.22rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.5;
}

.service-entry {
  padding: 0.15rem;
}

.service-role {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
}

.service-venues {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.62;
}

.activity-more-toggle {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: -0.3rem;
  min-height: 1.3rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
}

.activity-more-text {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.activity-more-arrow {
  position: relative;
  width: 0.38rem;
  height: 0.38rem;
  margin-left: 0.33rem;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  opacity: 0.9;
  transform: translateY(-0.02rem) rotate(45deg);
  transition: transform 160ms ease, opacity 160ms ease;
}

.activity-more-toggle:hover,
.activity-more-toggle:focus-visible {
  color: var(--accent);
}

.activity-more-toggle:focus-visible {
  outline-offset: 4px;
}

.activity-more-toggle[aria-expanded="true"] .activity-more-text {
  color: var(--text);
}

.activity-more-toggle[aria-expanded="true"] .activity-more-arrow {
  transform: translateY(0.05rem) rotate(225deg);
  opacity: 1;
}

.research-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: none;
  width: 100%;
  margin: 1.4rem 0 1.8rem;
  padding: 1.05rem 0.25rem 1.2rem;
}

.research-flow-hub {
  display: flex;
  justify-content: center;
  width: 100%;
  margin-bottom: 0.1rem;
}

.research-flow-lines {
  display: block;
  width: min(100%, 420px);
  height: auto;
  margin: 0 0 -0.28rem;
  color: color-mix(in srgb, var(--text) 72%, var(--line));
}

.research-flow-branches {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.3rem 0.7rem;
  width: 100%;
  max-width: 420px;
  margin-top: -0.68rem;
}

.research-flow-branch {
  display: flex;
  justify-content: center;
  min-width: 0;
}

.research-theme-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.26rem 0.7rem;
  /* border-radius: 999px; */
  border: 1px solid var(--social-pill-border);
  background: var(--social-pill-bg);
  color: var(--social-pill-fg);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.25;
  white-space: nowrap;
}

.research-theme-tag--hub {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: none;
  border-color: color-mix(in srgb, var(--accent) 28%, var(--social-pill-border));
  background: color-mix(in srgb, var(--accent-soft) 45%, var(--social-pill-bg));
  color: var(--text);
}

.research-flow .research-theme-tag {
  width: auto;
  justify-content: center;
}

.pub-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  justify-content: flex-end;
}

.goal-stack {
  display: grid;
  gap: 0;
}

.goal-line {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  padding: 0.15rem 0;
  /* border-top: 1px solid var(--line); */
}

.goal-line:first-child {
  border-top: 0;
  padding-top: 0.15rem;
}

.goal-index {
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 800;
  margin-top: 0.05rem;
}

.goal-line p {
  margin: 0;
}

.timeline,
.edu-list {
  display: grid;
  gap: 0.9rem;
}

.site-credit {
  grid-column: 2;
  margin-top: 2.5rem;
  padding-top: 1.15rem;
  border-top: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  display: flex;
  justify-content: flex-end;
}

.site-credit p {
  margin: 0;
  display: inline-flex;
  align-items: baseline;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.38rem 0.55rem;
  text-align: right;
}

.site-credit a {
  color: color-mix(in srgb, var(--text) 92%, var(--accent));
  font-family: "Architects Daughter", cursive;
  font-size: 1.06rem;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.site-credit a:hover,
.site-credit a:focus-visible {
  color: var(--accent);
}

.credit-label {
  color: color-mix(in srgb, var(--muted) 88%, var(--line));
  text-transform: uppercase;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.credit-date {
  color: color-mix(in srgb, var(--muted) 92%, var(--line));
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.edu-row,
.teaching-row {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1rem 1.05rem;
  border: 1px solid color-mix(in srgb, var(--line) 76%, transparent);
  border-radius: 4px;
  background: color-mix(in srgb, var(--surface) 82%, var(--bg));
  box-shadow: 0 10px 24px rgba(61, 42, 28, 0.04);
}

.timeline > :first-child {
  border-top: 0;
  padding-top: 0.15rem;
}

.timeline-row {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: 1.25rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  position: relative;
}

.timeline-row::before {
  content: "";
  position: absolute;
  left: 9.1rem;
  top: 1rem;
  bottom: -0.9rem;
  width: 1px;
  background: var(--line);
}

.timeline-row:last-child::before {
  display: none;
}

.edu-meta,
.timeline-date {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.edu-meta {
  align-self: start;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: var(--accent);
  white-space: nowrap;
}

.edu-row h3,
.teaching-row h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.35;
}

.edu-row h3 + p,
.teaching-row h3 + p {
  margin-top: 0.3rem;
}

.timeline-row p,
.edu-row p,
.teaching-row p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.teaching-row {
  margin-top: 0.15rem;
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 520ms ease, transform 520ms ease;
}

@media (prefers-reduced-motion: reduce) {
  .js .reveal,
  .js .reveal.is-visible,
  .theme-toggle,
  .nav-link,
  .social-link,
  .pub-link {
    transition: none;
    transform: none;
    opacity: 1;
  }
}

@media (min-width: 961px) {
  .rail {
    display: flex;
    height: calc(100dvh - 6rem);
    flex-direction: column;
  }

  .rail > :not(.rail-news) {
    flex-shrink: 0;
  }

  .rail-news {
    display: flex;
    flex: 1 1 18rem;
    min-height: 0;
    max-height: 18rem;
  }

  .rail-news-box {
    display: flex;
    flex: 1;
    min-height: 0;
  }

  .rail-news-scroll {
    flex: 1;
    height: auto;
    min-height: 0;
  }
}

@media (max-width: 960px) {
  .layout,
  .two-col,
  .pub-row,
  .timeline-row,
  .edu-row,
  .teaching-row {
    grid-template-columns: 1fr;
  }

  .rail {
    position: static;
    left: auto;
    width: auto;
  }

  main {
    grid-column: auto;
  }

  .site-credit {
    grid-column: auto;
  }

  .toc-sidebar {
    top: 0;
    left: 0;
    right: 0;
    width: auto;
    padding: 0.66rem 0.72rem 0.76rem;
    gap: 0.35rem;
  }

  .timeline-row::before {
    display: none;
  }

  .pub-row > .pub-date,
  .pub-row > .pub-tags,
  .pub-row > .pub-body {
    grid-column: 1;
    grid-row: auto;
  }

  .pub-row > .pub-tags {
    justify-self: start;
  }

  .toc-panel .nav-list {
    justify-content: center;
    gap: 0.72rem;
  }

  .toc-panel .nav-link {
    min-height: 1.35rem;
    font-size: 0.68rem;
    padding: 0.04rem 0 0.1rem;
    letter-spacing: 0.02em;
  }

  .activity-item {
    grid-template-columns: 1fr;
    gap: 0.15rem;
    padding: 0.8rem 0.1rem;
  }

  .activity-date,
  .activity-text {
    grid-column: 1;
  }

  .activity-more-toggle {
    min-height: 1.1rem;
  }

  .theme-toggle {
    top: auto;
    bottom: 0.75rem;
    right: 0.75rem;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(calc(100% - 0.8rem), var(--max-width));
    padding-top: 6rem;
  }

  .section {
    margin-top: 2rem;
    padding-top: 1.35rem;
  }

  .activity-panel,
  .edu-row,
  .teaching-row {
    padding: 0.9rem 0.85rem;
  }

  .section-head {
    gap: 0.55rem;
  }

  h2 {
    padding-bottom: 0.18rem;
    background-size: 100% 2px;
  }

  .toc-sidebar {
    top: 0;
    left: 0;
    right: 0;
    width: auto;
    padding: 0.62rem 0.6rem 1.1rem;
    border-radius: 0 0 1rem 1rem;
  }

  .toc-edge {
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.22rem;
    height: 1px;
  }

  .toc-sidebar::after {
    top: -0.46rem;
    font-size: 0.54rem;
    letter-spacing: 0.22em;
  }

  .toc-panel .nav-list {
    gap: 0.28rem;
  }

  .toc-panel .nav-link {
    min-height: 1.85rem;
    font-size: 0.68rem;
    padding: 0.3rem 0.55rem;
  }

  .theme-toggle {
    top: auto;
    right: 0.75rem;
    bottom: 0.75rem;
    width: 2.55rem;
    height: 2.55rem;
  }

  .section {
    scroll-margin-top: 8.25rem;
  }
}