@font-face {
  font-family: "Bricolage Grotesque";
  src: url("/assets/fonts/BricolageGrotesque-Latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
}

:root {
  color-scheme: light;
  --canvas: #e3e9f8;
  --cover: #263bb5;
  --paper: #fffdf6;
  --paper-alt: #f1f0e8;
  --ink: #202126;
  --muted: #51535d;
  --rule: #bdc3d1;
  --rule-strong: #777f92;
  --accent: #bd321d;
  --mark: #e1ed4c;
  --link: #2438a7;
  --focus: #1735c1;
  --shadow: 0 18px 34px rgb(24 35 83 / 17%);
  --grid-image: url("/assets/field-grid.svg");
  --content-width: 1220px;
  --body-face: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display-face: "Bricolage Grotesque", "Arial Narrow", sans-serif;
  --mono-face: "Fira Code", "Cascadia Code", ui-monospace, monospace;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --canvas: #111725;
  --cover: #374bd1;
  --paper: #192233;
  --paper-alt: #222d40;
  --ink: #f4f0e5;
  --muted: #c2c8d2;
  --rule: #3d4a5c;
  --rule-strong: #8b98aa;
  --accent: #ff785e;
  --mark: #e4f05b;
  --link: #b6c4ff;
  --focus: #e4f05b;
  --shadow: 0 18px 34px rgb(0 0 0 / 36%);
  --grid-image: url("/assets/field-grid-dark.svg");
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  scrollbar-color: var(--rule-strong) var(--canvas);
  scrollbar-width: thin;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background-color: var(--canvas);
  background-image: var(--grid-image);
  background-position: center top;
  background-size: 28px 28px;
  font-family: var(--body-face);
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  color: #171923;
  background: var(--mark);
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover {
  text-decoration-thickness: 2px;
}

button,
input,
select {
  font: inherit;
}

button,
a,
input,
select {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  transform: translateY(-160%);
  color: var(--paper);
  background: var(--ink);
  font-weight: 700;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
.site-main,
.site-footer {
  width: min(calc(100% - 3rem), var(--content-width));
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--rule-strong);
}

.header-inner {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.78rem;
  color: var(--ink);
  font-family: var(--display-face);
  font-size: 1.16rem;
  font-weight: 700;
  text-decoration: none;
}

.wordmark-mark {
  display: grid;
  width: 2.6rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--ink);
  color: #fff;
  background: var(--cover);
  font-family: var(--mono-face);
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: -0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 2.3vw, 2rem);
}

.site-nav > a {
  position: relative;
  padding-block: 0.45rem;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav > a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--accent);
  content: "";
  transition: transform 180ms ease-out;
}

.site-nav > a:hover::after,
.site-nav > a:focus-visible::after,
.site-nav > a[aria-current="page"]::after {
  transform: scaleX(1);
}

.theme-toggle {
  display: inline-flex;
  min-height: 2.6rem;
  align-items: center;
  gap: 0.52rem;
  padding: 0.38rem 0.72rem;
  border: 1px solid var(--ink);
  border-radius: 0;
  color: var(--ink);
  background: var(--paper);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 650;
  transition: background-color 180ms ease-out, color 180ms ease-out;
}

.theme-toggle:hover {
  color: #171923;
  background: var(--mark);
}

.theme-icon {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.theme-icon--sun {
  display: none;
}

.theme-icon--moon {
  display: block;
}

:root[data-theme="dark"] .theme-icon--sun {
  display: block;
}

:root[data-theme="dark"] .theme-icon--moon {
  display: none;
}

.site-main {
  padding-top: clamp(1.5rem, 3vw, 2.1rem);
  padding-bottom: 4.6rem;
}

.fieldbook,
.projects-opening {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.book-spine {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding: 1.45rem 0.75rem;
  color: #fff;
  background: var(--cover);
}

.spine-mark {
  display: grid;
  width: 2.4rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 70%);
  font-family: var(--mono-face);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: -0.08em;
}

.spine-title {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--mono-face);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.15em;
}

.spine-rule {
  width: 1px;
  min-height: 3rem;
  flex: 1;
  background: rgb(255 255 255 / 50%);
}

.spine-link {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  color: #fff;
  font-family: var(--mono-face);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-decoration-color: var(--mark);
  text-underline-offset: 0.3em;
}

.spine-link:focus-visible {
  outline-color: var(--mark);
}

.book-sheet,
.projects-sheet {
  min-width: 0;
  padding: clamp(1.35rem, 4.8vw, 3.8rem);
  background-color: var(--paper);
  background-image: var(--grid-image);
  background-size: 28px 28px;
}

.book-sheet {
  padding-top: clamp(1rem, 1.8vw, 1.45rem);
  padding-bottom: 1.35rem;
}

.book-opening {
  display: grid;
  gap: clamp(0.95rem, 1.6vw, 1.25rem);
  padding-block: clamp(0.7rem, 1.2vw, 0.95rem) 0.8rem;
}

.identity-entry h1,
.projects-intro h1 {
  margin: 0;
  font-family: var(--display-face);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 0.91;
  text-wrap: balance;
}

.identity-entry h1 {
  max-width: none;
  font-size: clamp(3.2rem, 5.3vw, 4.75rem);
}

.identity-entry {
  min-width: 0;
}

.identity-head {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
}

.identity-head > div {
  min-width: 0;
}

.identity-photo {
  width: clamp(4.5rem, 8vw, 7rem);
  height: auto;
  flex: 0 0 auto;
  aspect-ratio: 1;
  padding: 0.22rem;
  border: 1px solid var(--ink);
  background: var(--paper);
  object-fit: cover;
}

.location-line {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-family: var(--mono-face);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.role-line {
  margin: 0.7rem 0 0;
  color: var(--accent);
  font-family: var(--display-face);
  font-size: clamp(1.15rem, 2.1vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.role-line .role-tail {
  white-space: nowrap;
}

.role-line .role-separator {
  padding-inline: 0.2rem;
  color: var(--muted);
}

.identity-copy {
  max-width: 66ch;
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.13rem);
  line-height: 1.62;
}

.identity-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.4rem;
  margin-top: 0.8rem;
}

.action-link {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.92rem;
  font-weight: 700;
}

.action-link--primary {
  padding: 0.72rem 0.92rem;
  border: 1px solid var(--ink);
  color: #fff;
  background: var(--cover);
  text-decoration: none;
  transition: transform 180ms ease-out, box-shadow 180ms ease-out;
}

.action-link--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 12px rgb(0 0 0 / 20%);
  text-decoration: none;
}

.action-link--text {
  color: var(--link);
  text-decoration-thickness: 1px;
}

.action-link svg,
.margin-action svg {
  width: 1.1rem;
  height: 1.1rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.talks-section {
  padding-top: 1rem;
  border-top: 1px solid var(--rule-strong);
}

.talks-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem 1.5rem;
}

.talks-heading h2 {
  margin: 0;
  font-family: var(--display-face);
  font-size: clamp(1.55rem, 2.7vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.05;
}

.talks-heading p {
  max-width: 38ch;
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  text-align: right;
}

.talks-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
  margin-top: 0.85rem;
}

.talk-entry {
  display: grid;
  min-width: 0;
  grid-template-rows: auto 1fr;
  border: 1px solid var(--rule-strong);
  background: var(--paper-alt);
}

.video-preview {
  position: relative;
  display: block;
  min-width: 0;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  color: #fff;
  background: #121725;
  text-decoration: none;
}

.video-preview img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 220ms ease-out;
}

.video-preview:hover img {
  transform: scale(1.025);
}

.video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 3rem;
  height: 3rem;
  transform: translate(-50%, -50%);
  place-items: center;
  border: 1px solid #fff;
  color: #fff;
  background: var(--cover);
  transition: transform 180ms ease-out;
}

.video-preview:hover .video-play {
  transform: translate(-50%, -50%) scale(1.06);
}

.video-play svg {
  width: 1.25rem;
  height: 1.25rem;
  margin-left: 0.15rem;
  fill: currentColor;
}

.video-frame {
  display: block;
  width: 100%;
  height: auto;
  border: 0;
  aspect-ratio: 16 / 9;
  background: #121725;
}

.video-copy {
  min-width: 0;
  padding: 0.72rem 0.85rem 0.82rem;
}

.video-copy h3 {
  margin: 0;
  font-family: var(--display-face);
  font-size: clamp(1rem, 1.3vw, 1.18rem);
  font-weight: 690;
  letter-spacing: -0.012em;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.video-copy p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-family: var(--mono-face);
  font-size: 0.75rem;
  line-height: 1.35;
}

.video-copy p a {
  color: var(--muted);
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

.video-copy p a:hover {
  color: var(--ink);
}

.sheet-index {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 0.8rem 1.5rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule-strong);
}

.index-caption,
.sheet-colophon {
  color: var(--muted);
  font-family: var(--mono-face);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sheet-index > a {
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.sheet-index > a span {
  padding-left: 0.28rem;
  color: var(--accent);
}

.sheet-colophon {
  grid-column: 1 / -1;
  justify-self: end;
  font-family: var(--body-face);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.record-section {
  margin-top: clamp(3.5rem, 7vw, 5.5rem);
  border: 1px solid var(--ink);
  background-color: var(--paper);
  background-image: var(--grid-image);
  background-size: 28px 28px;
}

.record-sheet {
  padding: clamp(1.35rem, 4.8vw, 3.8rem);
}

.record-intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-bottom: 1.4rem;
}

.record-intro h2,
.connect-heading h2 {
  margin: 0;
  font-family: var(--display-face);
  font-size: clamp(2.1rem, 4.2vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.04;
  text-wrap: balance;
}

.record-intro p,
.connect-heading p {
  max-width: 46ch;
  margin: 0;
  color: var(--muted);
}

.record-group {
  display: grid;
  grid-template-columns: minmax(140px, 0.3fr) minmax(0, 1fr);
  gap: 1rem 2.5rem;
  padding-top: 1.7rem;
  padding-bottom: 1.7rem;
  border-top: 1px solid var(--rule-strong);
}

.record-group-heading h3 {
  margin: 0;
  font-family: var(--display-face);
  font-size: clamp(1.3rem, 2vw, 1.65rem);
  font-weight: 690;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.record-group-heading span {
  display: block;
  margin-top: 0.45rem;
  color: var(--muted);
  font-family: var(--mono-face);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.record-list {
  min-width: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.record-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 0.75rem 1.2rem;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
  border-top: 1px solid var(--rule);
}

.record-list > .record-row:first-child {
  padding-top: 0.15rem;
  border-top: 0;
}

.record-list > .record-row:last-child {
  padding-bottom: 0.15rem;
}

.record-row h4 {
  margin: 0;
  font-family: var(--display-face);
  font-size: 1.08rem;
  font-weight: 680;
  letter-spacing: -0.012em;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.record-row h4 a {
  color: var(--ink);
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.record-row p {
  max-width: 66ch;
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.record-row time {
  color: var(--muted);
  font-family: var(--mono-face);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
  text-align: right;
  white-space: nowrap;
}

.record-row--detailed {
  padding-block: 1rem;
}

.record-row .record-note {
  margin-top: 0.55rem;
  color: var(--muted);
  font-family: var(--mono-face);
  font-size: 0.82rem;
  line-height: 1.6;
}

.record-note strong {
  color: var(--ink);
  font-family: var(--body-face);
  font-weight: 700;
}

.record-note br {
  display: block;
  margin-top: 0.2rem;
}

.connect-section {
  margin-block: clamp(3.5rem, 7vw, 5.5rem) 0;
  padding-inline: clamp(0.3rem, 3vw, 2.5rem);
}

.connect-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem 2rem;
  margin-bottom: 1rem;
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
  border-left: 1px solid var(--rule);
  list-style: none;
}

.social-grid li {
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.social-grid > .social-grid-wide {
  grid-column: 1 / -1;
}

.social-grid a {
  display: flex;
  min-height: 3.2rem;
  align-items: center;
  gap: 0.65rem;
  padding: 0.72rem 0.85rem;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 680;
  text-decoration: none;
}

.social-grid a:hover {
  color: #171923;
  background: var(--mark);
}

.social-grid i {
  width: 1.1rem;
  flex: 0 0 auto;
  color: var(--accent);
  text-align: center;
}

.social-grid a:hover i {
  color: #171923;
}

.note-section {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-block: clamp(4rem, 8vw, 7rem) clamp(3.3rem, 7vw, 5.5rem);
  padding-inline: clamp(0.3rem, 3vw, 2.5rem);
}

.note-heading h2,
.contribution-heading h2 {
  margin: 0;
  font-family: var(--display-face);
  font-size: clamp(2rem, 4.1vw, 3.3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.04;
  text-wrap: balance;
}

.note-heading p {
  max-width: 66ch;
  margin: 1rem 0 0;
  color: var(--muted);
}

.margin-action {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.55rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--accent);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.margin-action svg {
  color: var(--accent);
}

.contribution-sheet {
  margin-top: clamp(3.5rem, 7vw, 5.5rem);
  padding: clamp(1.3rem, 4vw, 3rem);
  border: 1px solid var(--ink);
  background-color: var(--paper);
  background-image: var(--grid-image);
  background-size: 28px 28px;
}

.contribution-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.contribution-heading h2 {
  font-size: clamp(1.85rem, 3.5vw, 2.8rem);
}

.contribution-heading p {
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.contribution-note {
  max-width: 72ch;
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.writing-entry {
  display: grid;
  grid-template-columns: minmax(130px, 0.24fr) minmax(0, 1fr);
  gap: 1rem 1.8rem;
  margin-top: 1.35rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule-strong);
}

.writing-meta {
  display: grid;
  align-content: start;
  gap: 0.3rem;
  color: var(--muted);
  font-family: var(--mono-face);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
}

.writing-copy h3 {
  margin: 0;
  font-family: var(--display-face);
  font-size: clamp(1.65rem, 2.8vw, 2.45rem);
  font-weight: 690;
  letter-spacing: -0.025em;
  line-height: 1.1;
  text-wrap: balance;
}

.writing-copy h3 a {
  color: var(--ink);
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.17em;
}

.writing-copy p {
  max-width: 64ch;
  margin: 0.7rem 0 0;
  color: var(--muted);
}

.writing-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.9rem;
  color: var(--link);
  font-size: 0.86rem;
  font-weight: 700;
}

.writing-link span {
  color: var(--accent);
}

.margin-stamp {
  display: inline-block;
  flex: 0 0 auto;
  padding: 0.35rem 0.5rem;
  transform: rotate(1.4deg);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--mono-face);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.07em;
}

.data-status {
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.contribution-list {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.contribution-entry {
  display: grid;
  grid-template-columns: minmax(120px, 0.24fr) minmax(0, 1fr);
  gap: 1rem 1.8rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--rule);
}

.contribution-entry time {
  padding-top: 0.12rem;
  color: var(--muted);
  font-family: var(--mono-face);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.contribution-copy {
  display: grid;
  gap: 0.32rem;
  min-width: 0;
}

.contribution-copy > a {
  width: fit-content;
  max-width: 100%;
  color: var(--ink);
  font-weight: 680;
  line-height: 1.45;
  overflow-wrap: anywhere;
  text-decoration-color: var(--accent);
}

.contribution-copy > span {
  color: var(--muted);
  font-family: var(--mono-face);
  font-size: 0.75rem;
  overflow-wrap: anywhere;
}

.trail-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem 2rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule-strong);
}

.trail-footer a {
  color: var(--link);
  font-size: 0.86rem;
  font-weight: 700;
}

.trail-footer a span {
  color: var(--accent);
}

.site-footer {
  padding-block: 1.2rem 2rem;
  border-top: 1px solid var(--rule-strong);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.4rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.footer-inner a {
  color: var(--ink);
  font-weight: 650;
}

.footer-inner a span {
  color: var(--accent);
}

/* Projects index */
.projects-main {
  padding-top: clamp(1.5rem, 4vw, 3rem);
}

.projects-opening {
  grid-template-columns: 62px minmax(0, 1fr);
}

.projects-spine {
  gap: 1.3rem;
  padding-inline: 0.55rem;
}

.projects-sheet {
  padding: clamp(1.2rem, 3.8vw, 3rem);
}

.projects-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.62fr);
  align-items: end;
  gap: 1.2rem 2rem;
  padding-block: clamp(2rem, 4vw, 3.5rem) 2rem;
}

.projects-intro h1 {
  max-width: none;
  font-size: clamp(3rem, 6.2vw, 5.2rem);
}

.projects-intro > p {
  max-width: 42ch;
  margin: 0;
  color: var(--muted);
}

.project-index-meta {
  display: flex;
  flex-wrap: wrap;
  grid-column: 1 / -1;
  align-items: center;
  gap: 0.5rem 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-family: var(--mono-face);
  font-size: 0.75rem;
}

.meta-divider {
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--accent);
}

.projects-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.72fr);
  align-items: start;
  gap: clamp(1.5rem, 3.2vw, 3rem);
}

.repository-ledger {
  min-width: 0;
}

.filter-sheet {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(150px, 0.7fr);
  align-items: end;
  gap: 0.9rem 1rem;
  padding: 1rem;
  border: 1px solid var(--rule-strong);
  background: var(--paper-alt);
}

.filter-field {
  display: grid;
  min-width: 0;
  gap: 0.36rem;
  color: var(--muted);
  font-family: var(--mono-face);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.filter-field input,
.filter-field select {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--rule-strong);
  border-radius: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body-face);
  font-size: 0.9rem;
  letter-spacing: 0;
}

.filter-field input::placeholder {
  color: var(--muted);
  opacity: 1;
}

.filter-field input:focus,
.filter-field select:focus {
  border-color: var(--focus);
}

.filter-status {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.repository-list {
  margin: 1rem 0 0;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
  list-style: none;
}

.repository-entry {
  padding: 1.1rem 0 1.2rem;
  border-bottom: 1px solid var(--rule);
}

.repository-entry[hidden] {
  display: none;
}

.repository-entry article {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 0.65rem 1.3rem;
}

.repo-main {
  min-width: 0;
}

.repo-main h2 {
  margin: 0;
  font-family: var(--display-face);
  font-size: clamp(1.25rem, 2.1vw, 1.65rem);
  font-weight: 690;
  letter-spacing: -0.018em;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.repo-main h2 a {
  color: var(--ink);
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.repo-main > p {
  max-width: 64ch;
  margin: 0.42rem 0 0;
  color: var(--muted);
  font-size: 0.89rem;
  line-height: 1.5;
}

.repo-meta {
  display: grid;
  justify-items: end;
  gap: 0.35rem;
  color: var(--muted);
  font-family: var(--mono-face);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.language-mark {
  display: inline-block;
  padding: 0.16rem 0.36rem;
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  background: var(--paper-alt);
  font-family: var(--body-face);
  font-size: 0.75rem;
  font-weight: 650;
}

.empty-state {
  margin: 1rem 0;
  padding: 1rem;
  border: 1px dashed var(--rule-strong);
  color: var(--muted);
}

.contribution-rail {
  padding: 1.15rem;
}

.contribution-heading--rail {
  gap: 0.6rem;
}

.contribution-heading--rail h2 {
  font-size: clamp(1.65rem, 2.4vw, 2rem);
}

.contribution-heading--rail p {
  font-size: 0.83rem;
}

.contribution-heading--rail .margin-stamp {
  padding: 0.24rem 0.34rem;
  font-size: 0.75rem;
}

.contribution-list--rail .contribution-entry {
  grid-template-columns: 1fr;
  gap: 0.42rem;
  padding-block: 0.95rem;
}

.contribution-list--rail .contribution-entry time {
  font-size: 0.75rem;
}

.contribution-list--rail .contribution-copy > a {
  font-size: 0.85rem;
}

.contribution-list--rail .contribution-copy > span {
  font-size: 0.75rem;
}

.trail-footer--rail {
  display: grid;
  justify-content: stretch;
  gap: 0.6rem;
}

.trail-footer--rail a {
  font-size: 0.78rem;
}

.projects-bottom-note {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule-strong);
  color: var(--muted);
  font-family: var(--mono-face);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

.projects-bottom-note > a {
  color: var(--link);
  font-family: var(--body-face);
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0;
}

.not-found {
  min-height: 55vh;
  display: grid;
  align-content: center;
  justify-items: start;
}

.not-found h1 {
  margin: 0;
  font-family: var(--display-face);
  font-size: clamp(3rem, 8vw, 6rem);
  letter-spacing: -0.035em;
  line-height: 0.95;
}

.not-found p {
  max-width: 58ch;
  color: var(--muted);
}

@media (max-width: 940px) {
  .talks-grid {
    gap: 0.85rem;
  }

  .projects-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(250px, 0.8fr);
    gap: 1.25rem;
  }

  .contribution-rail {
    padding: 1rem;
  }
}

@media (max-width: 760px) {
  .site-header,
  .site-main,
  .site-footer {
    width: min(calc(100% - 2rem), var(--content-width));
  }

  .header-inner {
    min-height: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.9rem;
    padding-block: 1rem;
  }

  .site-nav {
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem 1rem;
  }

  .site-nav > a {
    font-size: 0.86rem;
  }

  .theme-toggle {
    min-height: 2.35rem;
  }

  .fieldbook,
  .projects-opening {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .book-spine {
    gap: 1rem;
    padding: 1rem 0.45rem;
  }

  .spine-mark {
    width: 1.9rem;
    font-size: 0.75rem;
  }

  .spine-title,
  .spine-link {
    font-size: 0.75rem;
  }

  .book-opening {
    gap: 1.25rem;
    padding-block: 1.8rem 1.4rem;
  }

  .identity-entry h1 {
    font-size: clamp(3rem, 8.8vw, 4.3rem);
  }

  .identity-photo {
    width: 4.6rem;
  }

  .record-sheet {
    padding: 1.2rem 1rem;
  }

  .record-intro {
    align-items: start;
    flex-direction: column;
    gap: 0.35rem;
  }

  .record-group {
    grid-template-columns: 1fr;
    gap: 0.8rem;
    padding-block: 1.25rem;
  }

  .record-group-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
  }

  .record-group-heading span {
    margin-top: 0;
  }

  .social-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .connect-heading {
    align-items: start;
    flex-direction: column;
    gap: 0.35rem;
  }

  .talks-heading {
    align-items: start;
    flex-direction: column;
    gap: 0.35rem;
  }

  .talks-heading p {
    text-align: left;
  }

  .talks-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.72rem;
  }

  .talk-entry {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto 1fr;
  }

  .video-copy {
    display: grid;
    align-content: start;
    padding: 0.65rem 0.75rem;
  }

  .video-copy h3 {
    font-size: 1rem;
  }

  .video-copy p {
    margin-top: 0.35rem;
  }

  .sheet-index {
    grid-template-columns: 1fr 1fr;
  }

  .index-caption,
  .sheet-colophon {
    grid-column: 1 / -1;
  }

  .sheet-colophon {
    justify-self: start;
  }

  .note-section {
    align-items: start;
    flex-direction: column;
  }

  .projects-intro {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 0.9rem;
  }

  .projects-intro h1 {
    font-size: clamp(3.1rem, 10vw, 4.6rem);
  }

  .projects-intro > p {
    max-width: 58ch;
  }

  .projects-layout {
    grid-template-columns: 1fr;
  }

  .contribution-rail {
    position: static;
  }

  .contribution-list--rail .contribution-entry {
    grid-template-columns: minmax(105px, 0.28fr) minmax(0, 1fr);
  }

  .writing-entry {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }

  .writing-copy h3 {
    font-size: 1.75rem;
  }
}

@media (max-width: 520px) {
  .site-header,
  .site-main,
  .site-footer {
    width: min(calc(100% - 1.25rem), var(--content-width));
  }

  .wordmark {
    font-size: 1.05rem;
  }

  .site-nav {
    justify-content: flex-start;
    gap: 0.35rem 0.85rem;
  }

  .site-nav > a {
    padding-block: 0.55rem;
  }

  .theme-toggle {
    margin-left: auto;
    padding-inline: 0.55rem;
  }

  .fieldbook,
  .projects-opening {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .book-spine,
  .projects-spine {
    gap: 0.8rem;
    padding-inline: 0.28rem;
  }

  .spine-mark {
    width: 1.6rem;
    font-size: 0.75rem;
  }

  .spine-title,
  .spine-link {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
  }

  .book-sheet,
  .projects-sheet {
    padding: 1rem 0.8rem 1.2rem;
  }

  .book-opening {
    gap: 1.15rem;
    padding-block: 1.55rem 1.15rem;
  }

  .identity-entry h1 {
    font-size: clamp(2.8rem, 11vw, 3.45rem);
  }

  .identity-head {
    gap: 0.75rem;
  }

  .identity-photo {
    width: 3.8rem;
    padding: 0.15rem;
  }

  .record-section {
    margin-top: 2.8rem;
  }

  .record-sheet {
    padding: 1rem 0.8rem;
  }

  .record-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .record-row time {
    text-align: left;
  }

  .record-row--detailed {
    padding-block: 0.85rem;
  }

  .record-row .record-note {
    font-size: 0.8rem;
  }

  .social-grid a {
    min-height: 3rem;
    padding: 0.6rem 0.65rem;
    font-size: 0.8rem;
  }

  .role-line {
    margin-top: 0.6rem;
    font-size: 1.16rem;
  }

  .identity-copy {
    margin-top: 0.5rem;
    font-size: 0.95rem;
  }

  .identity-actions {
    align-items: start;
    flex-direction: column;
    gap: 0.45rem;
    margin-top: 0.9rem;
  }

  .action-link {
    min-height: 2.8rem;
  }

  .action-link--text {
    min-height: auto;
    padding-block: 0.45rem;
  }

  .talks-heading h2 {
    font-size: 1.65rem;
  }

  .talks-heading p {
    font-size: 0.82rem;
  }

  .video-copy {
    padding: 0.56rem 0.62rem;
  }

  .video-copy h3 {
    font-size: 0.95rem;
  }

  .video-copy p {
    font-size: 0.75rem;
  }

  .sheet-index {
    gap: 0.55rem 0.7rem;
  }

  .sheet-index > a {
    font-size: 0.78rem;
  }

  .index-caption {
    font-size: 0.75rem;
  }

  .note-section {
    margin-block: 3rem;
    padding-inline: 0.2rem;
  }

  .note-heading h2,
  .contribution-heading h2 {
    font-size: 2rem;
  }

  .contribution-sheet {
    padding: 1rem;
  }

  .contribution-heading {
    align-items: start;
    flex-direction: column;
  }

  .contribution-entry,
  .contribution-list--rail .contribution-entry {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .trail-footer {
    flex-direction: column;
    align-items: start;
  }

  .projects-intro {
    padding-block: 1.8rem 1.2rem;
  }

  .projects-intro h1 {
    font-size: 3.2rem;
  }

  .filter-sheet {
    grid-template-columns: 1fr;
    padding: 0.8rem;
  }

  .filter-status {
    grid-column: auto;
  }

  .repository-entry article {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 0.55rem;
  }

  .repo-meta {
    grid-template-columns: auto 1fr;
    justify-items: start;
    gap: 0.5rem;
    text-align: left;
  }

  .repo-main h2 {
    font-size: 1.35rem;
  }

  .projects-bottom-note {
    align-items: start;
    flex-direction: column;
  }

  .footer-inner {
    justify-content: flex-start;
  }
}

@media (max-width: 380px) {
  .book-opening {
    gap: 0.9rem;
  }

  .identity-entry h1 {
    font-size: 2.65rem;
  }

  .identity-head {
    gap: 0.5rem;
  }

  .identity-photo {
    width: 2.4rem;
    padding: 0.1rem;
  }

  .identity-entry h1 {
    font-size: 2.4rem;
  }

  .identity-entry .role-line {
    margin-top: 0.4rem;
    font-size: 0.95rem;
    letter-spacing: -0.035em;
    white-space: nowrap;
  }

  .video-play {
    width: 2.1rem;
    height: 2.1rem;
  }

  .video-play svg {
    width: 0.95rem;
    height: 0.95rem;
  }

  .record-group-heading {
    flex-direction: column;
    gap: 0.3rem;
  }

  .record-row h4 {
    font-size: 1rem;
  }

  .social-grid {
    grid-template-columns: 1fr;
  }

  .identity-copy,
  .identity-actions .action-link--text {
    display: none;
  }

  .identity-actions {
    margin-top: 0.65rem;
  }

  .action-link--primary {
    min-height: 2.6rem;
    font-size: 0.86rem;
  }

  .talks-heading h2 {
    font-size: 1.35rem;
  }

  .talks-heading p {
    font-size: 0.75rem;
  }

  .talks-grid {
    gap: 0.45rem;
  }

  .talk-entry {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto 1fr;
  }

  .video-copy {
    padding: 0.45rem 0.5rem;
  }

  .video-copy h3 {
    font-size: 0.9rem;
    line-height: 1.12;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}