/* Shared accessibility and responsive component styles. Loaded after theme CSS. */
[hidden] {
  display: none !important;
}
html {
  --nav-offset: 24px;
  scroll-padding-top: var(--nav-offset);
}
body {
  overflow-x: visible;
  --nav-ink: var(--accent-color);
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
:target {
  scroll-margin-top: var(--nav-offset);
}
img,
video,
canvas {
  max-width: 100%;
}
a {
  color: var(--accent-color);
  text-underline-offset: 0.18em;
}
a:visited {
  color: var(--accent-color);
}
:where(a, button, input, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--accent-color, #091a30);
  outline-offset: 4px;
  box-shadow: 0 0 0 3px var(--background-light, white);
}
.site-main:focus {
  outline: none;
}
.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 10000;
  padding: 0.8rem 1.2rem;
  color: #091a30;
  background: white;
  border: 3px solid #091a30;
  border-radius: 6px;
  transform: translateY(-200%);
  font-weight: 700;
}
.skip-link:focus {
  transform: none;
}
.site-identity {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--accent-color);
  text-decoration: none;
}
.site-header .site-identity-text {
  display: block;
  min-width: 0;
  padding: 0;
  margin: 0;
}
.site-header .site-description {
  font-size: 0.8rem;
  line-height: 1.5;
  white-space: normal;
}
.site-header .name {
  line-height: 1.4;
}
.site-header img {
  flex: 0 0 auto;
  margin: 0;
}
.rail-sticky .site-header .site-portrait {
  --portrait-size: 3.5rem;
  display: block;
  flex: 0 0 var(--portrait-size);
  width: var(--portrait-size);
  height: var(--portrait-size);
  min-width: var(--portrait-size);
  min-height: var(--portrait-size);
  max-width: var(--portrait-size);
  max-height: var(--portrait-size);
  aspect-ratio: 1;
  margin: 0;
  padding: 2px;
  overflow: hidden;
  border: 2px solid var(--accent-color);
  border-radius: 50%;
  background: var(--background-light);
}
.rail-sticky .site-header .site-portrait img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
}
.site-header .visually-hidden {
  display: inline;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: 0;
}
.site-navigation {
  width: 100%;
}
.site-navigation li {
  list-style: none;
}
/* Navigation and education share the same outline-card treatment. */
.edu-card,
.site-navigation nav .button {
  background: transparent;
  border: 3px solid var(--accent-color);
  border-radius: 10px;
  box-shadow: 9px 9px 0 -3px var(--accent-color);
}
.site-navigation nav .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 44px;
  margin: 0;
  padding: 0.5rem 0.9rem;
  font: 700 0.9rem/1.35 var(--font-heading);
  letter-spacing: 0.01em;
  color: var(--nav-ink);
  background: transparent;
  transform: none;
}
.site-navigation nav .button:hover,
.site-navigation nav .button:focus-visible {
  color: var(--nav-ink);
  background: transparent;
  transform: none;
  text-decoration: underline;
  text-underline-offset: 0.25em;
}
.site-navigation nav .button.active {
  color: var(--nav-ink);
  background: transparent;
  border-color: var(--accent-color);
  transform: none;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.3em;
}
.site-navigation nav .button:focus-visible {
  outline: 3px solid var(--accent-color);
  outline-offset: 4px;
}
.rail-sticky .site-navigation nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
}
.site-navigation .button[aria-current="page"] {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.3em;
}
.site-main {
  min-width: 0;
}
.site-main > h1,
.site-main .projectHeader > h1 {
  font-size: clamp(2rem, 5vw, 4.8rem);
  line-height: 1.1;
  overflow-wrap: anywhere;
}
.site-main p {
  line-height: 1.7;
}
.intro-paragraph {
  text-align: start;
}
.section-heading {
  font-size: 0.9rem;
  letter-spacing: 0.08em;
}
.article-hero {
  float: none;
  margin: 0;
  opacity: 1;
  overflow: visible;
  width: min(100%, 40rem);
}
.article-cover-image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
}
.project-hero__image-wrap {
  display: grid;
  place-items: center;
}
.project-hero__image-wrap img {
  height: auto;
  object-fit: contain;
}
.project-body,
.project-hero__body,
.project-featured-card,
.contact-link-text {
  min-width: 0;
}
.project-body h2,
.project-hero__body h2,
.project-row-title {
  overflow-wrap: anywhere;
}
.project-body .button,
.project-hero__body .button {
  max-width: 100%;
}
.publication-block a,
.contact-link-address {
  overflow-wrap: anywhere;
}
.exp-node,
.year-group,
.thread-node,
[data-animate-card] {
  opacity: 1;
  transform: none;
}
.exp-body ul {
  list-style: disc;
  padding-left: 1.3em;
}
.exp-body ul li {
  padding-left: 0;
}
.exp-body ul li::before {
  content: none;
}
.exp-body .tags {
  list-style: none;
  padding-left: 0;
}
.exp-company {
  text-decoration: underline;
}
.tags a:focus,
.tags a:hover {
  opacity: 1;
}
.exp-byline,
.exp-period,
.coursework-heading {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}
.photo-caption,
.model-caption {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}
.photo-frame img {
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
}
.site-footer {
  width: 100%;
  margin: 3rem 0 0;
  padding: 1.5rem !important;
  font-size: 0.9rem;
}
.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  width: auto;
  margin: 0 0 1.5rem;
  padding: 0;
}
.site-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.6rem 0.85rem;
}
.site-footer p {
  margin: 0;
  padding: 0 0 2rem;
  font-size: 0.85rem;
}

/* Shared, server-rendered outlines stay usable without JavaScript. */
.document-shell {
  min-width: 0;
  container: document / inline-size;
}
.document-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 2rem;
}
.document-content {
  min-width: 0;
}
.document-content [id],
.paper-article [id] {
  scroll-margin-top: 1rem;
}
.resume-content {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}
.resume-content > section {
  margin-block: 0;
}
.document-outline {
  --outline-inline: 1;
  min-width: 0;
  align-self: start;
}
.document-outline summary {
  min-height: 44px;
  padding-block: 0.7rem;
  cursor: pointer;
}
.document-outline .section-heading {
  display: inline;
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}
.document-outline ul {
  list-style: none;
  padding: 0;
  margin: 0.25rem 0 0;
}
.document-outline li {
  margin: 0;
}
.document-outline a {
  display: block;
  min-height: 44px;
  padding: 0.55rem 0.65rem;
  border-left: 2px solid transparent;
  color: var(--accent-color);
  background: transparent;
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.5;
  text-decoration: none;
}
.document-outline a:hover,
.document-outline a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}
.document-outline a[aria-current="location"] {
  border-left-color: var(--accent-color);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}
.document-outline .outline-subsection a {
  padding-left: 1.5rem;
}
.document-outline-number {
  font-variant-numeric: tabular-nums;
}
@container document (min-width: 52rem) {
  .document-layout {
    grid-template-columns: 12rem minmax(0, 1fr);
    gap: 2rem;
  }
  .document-outline {
    --outline-inline: 0;
  }
  @media (pointer: fine) {
    .document-outline a {
      min-height: 32px;
      padding-block: 0.3rem;
    }
  }
  @media (min-height: 30rem) {
    .document-outline {
      position: sticky;
      top: var(--nav-offset, 24px);
      max-height: calc(100vh - var(--nav-offset, 24px) - 1.5rem);
      max-height: calc(100dvh - var(--nav-offset, 24px) - 1.5rem);
      overflow-y: auto;
      overscroll-behavior: contain;
      scrollbar-gutter: stable;
    }
  }
}

/* The unenhanced component shows every category, with meaningful headings. */
.skills-card {
  padding: 0;
  overflow: visible;
  background: var(--background-light);
  border: 3px solid var(--accent-color);
  border-radius: 14px;
  box-shadow: 7px 7px 0 -3px var(--accent-color);
}
.skills-tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.55rem;
  margin: 0;
  padding: 1rem;
  border: 0;
  border-bottom: 2px solid var(--accent-color);
}
.skill-tab {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex: 1 1 auto;
  min-height: 48px;
  min-width: 0;
  max-width: 100%;
  padding: 0.7rem 0.85rem;
  border: 2px solid var(--accent-color);
  border-radius: 8px;
  font:
    500 0.9rem/1.4 "Alexandria",
    sans-serif;
  text-align: left;
  color: var(--accent-color);
  background: transparent;
  cursor: pointer;
}
.skill-tab > span:first-child {
  overflow-wrap: anywhere;
}
.skill-tab:hover {
  background: var(--background);
}
.skill-tab[aria-selected="true"] {
  color: var(--background-light);
  background: var(--accent-color);
  font-weight: 700;
}
.skill-tab[aria-selected="true"] > span:first-child {
  text-decoration: underline;
  text-underline-offset: 0.25em;
  text-decoration-thickness: 2px;
}
.skill-count {
  display: inline-grid;
  place-items: center;
  flex: 0 0 1.6rem;
  min-height: 1.6rem;
  padding: 0 0.3rem;
  border: 1px solid currentColor;
  border-radius: 5px;
  font:
    700 0.75rem/1.3 "Atkinson Hyperlegible",
    sans-serif;
}
.skills-panels {
  padding: 0;
  min-height: 0;
}
.skills-panel {
  display: block;
  margin: 0;
  padding: 1.5rem;
  animation: none;
}
.skills-panel + .skills-panel {
  border-top: 1px solid var(--accent-color);
}
[data-tabs-ready] .skills-panel {
  min-height: 10rem;
  border-top: 0;
}
.skills-panel-title {
  margin: 0 0 1rem;
  color: var(--accent-color);
  font:
    700 1.2rem/1.35 "Alexandria",
    sans-serif;
}
.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.skill-list li {
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--accent-color);
  border-radius: 5px;
  color: var(--accent-color);
  background: transparent;
  font:
    400 1rem/1.5 "Atkinson Hyperlegible",
    sans-serif;
}
.skills-card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--accent-color);
}
.skills-card-footer a {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 44px;
  font-weight: 700;
}

/* Viewers always have an HTML image and caption before WebGL starts. */
.model-viewer-sticky {
  margin: 0;
  min-width: 0;
}
.model-viewer-canvas {
  position: relative;
  width: 100%;
  background: var(--background-light, #fff);
}
.model-viewer-canvas .model-poster {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.model-viewer-canvas canvas {
  display: block;
  width: 100%;
}
.model-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 1rem 0;
}
.model-controls .model-angle {
  display: flex;
  flex: 1 1 100%;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  font-weight: 700;
}
.model-controls input[type="range"] {
  flex: 1 1 8rem;
  min-width: 0;
  min-height: 44px;
  accent-color: var(--accent-color);
}
.model-controls output {
  min-width: 3.5rem;
  font-variant-numeric: tabular-nums;
}
/* One native checkbox provides keyboard and assistive-technology switch state. */
.motion-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 44px;
  max-width: 100%;
  color: var(--accent-color);
  font: inherit;
  cursor: pointer;
}
.motion-switch input[type="checkbox"] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: 0;
  opacity: 0;
}
.motion-switch input:focus-visible {
  outline: 0;
  box-shadow: none;
}
.motion-switch-track {
  position: relative;
  display: inline-block;
  flex: 0 0 52px;
  width: 52px;
  height: 30px;
  border: 2px solid var(--accent-color);
  border-radius: 999px;
  background: transparent;
}
.motion-switch-track::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-color);
  transition: transform 0.15s ease;
}
.motion-switch input:checked + .motion-switch-track {
  background: var(--accent-color);
}
.motion-switch input:checked + .motion-switch-track::before {
  transform: translateX(22px);
  background: var(--background-light);
}
.motion-switch input:focus-visible + .motion-switch-track {
  outline: 3px solid var(--accent-color);
  outline-offset: 4px;
}
.motion-switch-value {
  min-width: 2em;
  font-size: 0.9em;
}
.motion-switch-value::after {
  content: "Off";
}
.motion-switch input:checked ~ .motion-switch-value::after {
  content: "On";
}
.motion-switch:has(input:disabled) {
  cursor: default;
}
.motion-switch input:disabled + .motion-switch-track {
  border-style: dashed;
}
.model-state {
  flex-basis: 100%;
  margin: 0;
  font-size: 0.9rem;
}
.model-caption {
  text-align: left;
  line-height: 1.6;
  text-transform: none;
}
.model-download {
  display: inline-block;
  min-height: 44px;
  padding-block: 0.5rem;
}

/* Project headings use the same panel on every project, in normal flow. */
.projectHeader {
  margin: 0 0 2rem;
  padding: clamp(1.2rem, 3vw, 2rem);
}
.projectHeader > h1 {
  margin-top: 0;
}
.projectHeader .tags {
  padding: 0;
}

@media (max-width: 1500px) {
  html {
    --nav-offset: 12rem;
  }
  .rail-sticky,
  .rail-sticky.home {
    position: sticky;
    top: 0;
    float: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    width: 100%;
    max-width: none;
    height: auto;
    margin: 0;
    padding: 0.75rem 5%;
    background: var(--background-light);
  }
  .rail-sticky .site-header {
    flex: 1 1 16rem;
    display: block;
    margin: 0;
    min-width: 0;
  }
  .rail-sticky .site-header span {
    white-space: normal;
  }
  .rail-sticky .site-header .name {
    font-size: 1.1rem;
    margin: 0;
  }
  .rail-sticky .site-header .site-description {
    font-size: 0.8rem;
  }
  .rail-sticky .site-header img {
    width: 3rem;
    height: 3rem;
    margin: 0;
  }
  .rail-sticky .site-header .site-portrait {
    --portrait-size: 3rem;
  }
  .rail-sticky .site-navigation {
    flex: 1 1 30rem;
    min-width: 0;
  }
  .rail-sticky .site-navigation nav ul {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: flex-start;
  }
  .rail-sticky .site-navigation li {
    flex: 0 1 auto;
  }
  .rail-sticky .button,
  .rail-sticky.home .button {
    width: 100%;
    font-size: 0.9rem;
    min-height: 44px;
    margin: 0;
    padding: 0.6rem 0.7rem;
  }
  .rail-sticky .button.active {
    transform: none;
  }
  .site-main {
    width: 90%;
    max-width: 70rem;
    margin: 3rem auto;
  }
}
@media (max-width: 900px) {
  html {
    --nav-offset: 24px;
  }
  .rail-sticky,
  .rail-sticky.home {
    position: static;
  }
  .introduction {
    display: grid;
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
    align-items: end;
    gap: 1rem;
    padding: 2rem 5% 1.5rem;
    margin: 0;
    overflow: visible;
  }
  .introduction img {
    position: static;
    float: none;
    grid-column: 1;
    grid-row: 1;
    width: 100%;
    max-width: 18rem;
    height: auto;
    margin: 0;
  }
  .intro-writing {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
  }
  .introduction .intro-greeting {
    font-size: clamp(1.25rem, 4vw, 2.5rem);
    line-height: 1.2;
    margin: 0 0 0.5rem;
  }
  .introduction h1 {
    display: block;
    margin: 0;
    font-size: clamp(2.7rem, 10vw, 5rem);
    line-height: 1.1;
  }
  .introduction .tag-block {
    grid-column: 1 / -1;
    float: none;
    margin: 0;
    padding: 0.8rem 1rem;
  }
  .introduction .tag-block .tagline {
    font-size: clamp(1rem, 3vw, 1.3rem);
  }
  .introduction .tag-block .focus-areas {
    font-size: 1rem;
    line-height: 1.6;
  }
}
@media (max-width: 600px) {
  .home-thesis,
  .project-hero__body,
  .project-body,
  .publication-block,
  .contact-link,
  .edu-card {
    padding: 1.15rem;
  }
  .skills-card {
    padding: 0;
  }
  .skills-tabs {
    padding: 0.75rem;
    gap: 0.5rem;
  }
  .skill-tab {
    flex-basis: calc(50% - 0.5rem);
    font-size: 0.9rem;
    padding: 0.65rem;
  }
  .skill-count {
    display: none;
  }
  .skills-panel,
  .skills-card-footer {
    padding: 1.1rem;
  }
  .skill-list li {
    font-size: 0.95rem;
  }
  .contact-link {
    gap: 0.6rem;
  }
  .contact-link-address {
    font-size: 1.1rem;
  }
  .site-main .cards {
    max-width: 100%;
  }
  .project-row {
    gap: 0.75rem;
  }
  .project-row img {
    width: 4rem;
    height: 3.5rem;
  }
  .project-row-arrow {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .exp-node,
  .year-group,
  .thread-node,
  [data-animate-card] {
    opacity: 1;
    transform: none;
  }
  .button:hover,
  .button:focus-visible,
  .button.active,
  .cards section:hover,
  .project-hero:hover,
  .project-featured-card:hover,
  .contact-link:hover,
  .inline-tag:hover,
  .inline-tag:focus-visible,
  .project-hero:hover img,
  .project-featured-card:hover img,
  .project-row:hover .project-row-arrow {
    transform: none;
  }
  .scroll-progress {
    display: none;
  }
}
@media (forced-colors: active) {
  :where(a, button, input, summary, [tabindex]):focus-visible {
    outline: 3px solid Highlight;
    box-shadow: none;
  }
  .skill-tab[aria-selected="true"] {
    border-color: Highlight;
    border-bottom-width: 5px;
  }
  .document-outline a[aria-current="location"] {
    border-left-color: Highlight;
    text-decoration-thickness: 3px;
  }
  .site-navigation nav .button.active {
    border-color: Highlight;
    border-bottom-width: 5px;
  }
  .motion-switch-track {
    forced-color-adjust: none;
    border-color: ButtonText;
    background: Canvas;
  }
  .motion-switch-track::before {
    background: ButtonText;
  }
  .motion-switch input:checked + .motion-switch-track {
    background: Highlight;
    border-color: Highlight;
  }
  .motion-switch input:checked + .motion-switch-track::before {
    background: HighlightText;
  }
  .motion-switch input:focus-visible + .motion-switch-track {
    outline-color: Highlight;
  }
}
@media print {
  .document-shell {
    container-type: normal;
  }
  .document-layout {
    display: block;
  }
  .document-outline {
    display: none;
  }
  body[class] {
    background: white;
    color: #111;
    --background: white;
    --background-light: white;
    --accent-color: #111;
    --main-color: #333;
  }
  .rail-sticky,
  .skip-link,
  .scroll-progress,
  .skills-tabs,
  .skills-card-footer,
  .model-controls,
  .model-viewer-canvas canvas,
  .site-footer {
    display: none !important;
  }
  .site-main {
    display: block;
    width: 100%;
    max-width: none;
    margin: 0;
  }
  .skills-card .skills-panel[hidden],
  .model-viewer-canvas .model-poster[hidden] {
    display: block !important;
  }
  .skills-card,
  .edu-card,
  .publication-block {
    box-shadow: none;
    break-inside: avoid;
  }
  .skills-panel,
  .exp-node,
  .year-group {
    opacity: 1;
    transform: none;
  }
  .model-viewer-sticky,
  .photo-sticky {
    position: static;
  }
  .model-section,
  .photo-section,
  .edu-grid {
    display: block;
  }
}