:root {
  color-scheme: light;
  --bg: #f7f5f0;
  --surface: #fffdfa;
  --surface-soft: #fbfaf7;
  --ink: #111111;
  --muted: #66635c;
  --line: #dedbd2;
  --line-soft: #ebe8df;
  --accent: #111111;
  --accent-dark: #111111;
  --accent-soft: transparent;
  --shadow: 0 18px 50px rgba(17, 17, 17, 0.05);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(17, 17, 17, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 17, 17, 0.025) 1px, transparent 1px),
    var(--bg);
  background-size: 32px 32px;
  color: var(--ink);
  font-family:
    ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", Menlo,
    monospace;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.site-header,
.page,
.footer {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  background: rgba(247, 245, 240, 0.88);
  border-bottom: 1px solid rgba(222, 219, 210, 0.8);
  font-size: 0.88rem;
  backdrop-filter: blur(16px);
}

.wordmark {
  font-weight: 700;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 16px;
  color: var(--muted);
}

nav a {
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible,
.project-card:hover h3,
.note-list a:hover,
.note-list a:focus-visible {
  color: var(--accent-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 500px);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  min-height: 54svh;
  padding: clamp(32px, 6vw, 72px) 0 clamp(38px, 6vw, 76px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 20px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: clamp(1.48rem, 2.9vw, 2.72rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.intro-line {
  display: block;
}


.rotating-role {
  display: flex;
  min-width: min(100%, 22ch);
  max-width: min(100%, 22ch);
  min-height: 1.35em;
  align-items: center;
  justify-content: flex-start;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: #c9c5bc;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.12em;
  line-height: 1.12;
  text-align: left;
  vertical-align: baseline;
  white-space: normal;
  transition:
    opacity 170ms ease,
    transform 170ms ease;
}

.rotating-role.is-changing {
  opacity: 0.72;
  transform: translateY(0.06em);
}

.role-text {
  position: relative;
  display: inline-block;
  overflow: hidden;
}

.role-text::after {
  position: absolute;
  top: -35%;
  left: -65%;
  width: 42%;
  height: 170%;
  content: "";
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(255, 253, 250, 0.1) 42%,
    rgba(255, 253, 250, 0.66) 50%,
    rgba(255, 253, 250, 0.1) 58%,
    transparent 100%
  );
  opacity: 0;
  transform: translateX(0) skewX(-16deg);
  pointer-events: none;
}

.rotating-role.is-shining .role-text::after {
  opacity: 1;
  animation: surface-shine 720ms ease-out;
}


.lede,
.section-intro,
.prose p,
.project-card p,
.timeline p,
.skill-grid p {
  color: var(--muted);
}

.lede {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(1rem, 1.7vw, 1.15rem);
}

.actions,
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.contact-links {
  justify-content: flex-end;
}

.button {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 8px 12px;
  color: var(--ink);
  font-size: 0.86rem;
  text-decoration: none;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease;
}

.button svg {
  width: 1em;
  height: 1em;
  flex: 0 0 auto;
  fill: currentColor;
}

.social-link {
  width: 42px;
  padding-inline: 0;
}

.social-link svg {
  width: 1.08em;
  height: 1.08em;
}

.button:hover,
.button:focus-visible {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.system-card {
  min-width: 0;
  transform: translate3d(0, var(--json-float, 0px), 0);
  transition: transform 220ms ease-out, box-shadow 180ms ease;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.system-topline {
  display: flex;
  gap: 6px;
  padding: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.system-topline span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--line);
}

.system-card pre {
  margin: 0;
  overflow: visible;
  padding: clamp(14px, 2.2vw, 18px);
  color: #343541;
  font-size: clamp(0.62rem, 0.78vw, 0.72rem);
  line-height: 1.58;
  white-space: pre;
}

.system-card code {
  white-space: inherit;
}

.section {
  padding: 42px 0;
  border-top: 1px solid var(--line);
}

.section:last-of-type {
  border-bottom: 1px solid var(--line);
}

.two-column,
.contact-section {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: clamp(24px, 5vw, 52px);
}

.contact-section {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  align-items: start;
}

.section-label {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 22px;
}

.two-column .section-label,
.contact-section .section-label {
  margin-bottom: 0;
}

.section-label span {
  color: var(--accent-dark);
  font-size: 0.82rem;
}

h2 {
  margin-bottom: 0;
  font-size: 1rem;
}

h3 {
  margin-bottom: 10px;
  font-size: 1rem;
}

.prose p:last-child,
.section-intro,
.project-card p:last-child,
.timeline p,
.skill-grid p {
  margin-bottom: 0;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.project-card {
  display: flex;
  flex-direction: column;
}

.project-card,
.skill-grid article {
  will-change: transform;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
  position: relative;
  overflow: hidden;
  min-height: 220px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  padding: 18px;
  box-shadow: var(--shadow);
}

.project-card.featured {
  grid-column: span 2;
}

.project-type {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.card-link {
  display: inline-flex;
  align-self: flex-start;
  margin-top: auto;
  padding-top: 14px;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
}

.card-link::after {
  content: "->";
  margin-left: 7px;
  color: var(--muted);
  transition: transform 160ms ease;
}

.card-link:hover::after,
.card-link:focus-visible::after {
  transform: translateX(3px);
}

.mobile-load-more {
  display: none;
  margin-top: 14px;
  justify-self: start;
  width: fit-content;
}


.timeline {
  display: grid;
  gap: 12px;
}

.timeline article {
  will-change: transform;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  padding: 16px;
}

.timeline span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-dark);
  font-size: 0.78rem;
}

.skill-grid {
  display: grid;
  gap: 12px;
}

.note-list {
  display: grid;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  overflow: hidden;
}

.note-list a {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 15px;
  border-top: 1px solid var(--line-soft);
  text-decoration: none;
}

.note-list a:first-child {
  border-top: 0;
}

.note-list span {
  color: var(--muted);
  font-size: 0.82rem;
}

.skill-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 0 44px;
  color: var(--muted);
  font-size: 0.82rem;
}

.footer p {
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .system-card {
    grid-column: auto;
  }

  .project-grid,
  .skill-grid {
    grid-template-columns: 1fr 1fr;
  }

  .project-card.featured {
    grid-column: span 2;
  }
}

@media (max-width: 720px) {
  .site-header {
    position: static;
    align-items: flex-start;
  }

  nav {
    max-width: 230px;
  }

  .hero,
  .project-grid,
  .skill-grid,
  .two-column,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .system-card,
  .project-card.featured {
    grid-column: auto;
  }

  .system-card pre {
    font-size: clamp(0.64rem, 2.6vw, 0.74rem);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
  }

  h1 {
    font-size: clamp(1.34rem, 5.8vw, 1.95rem);
  }

  .rotating-role {
    display: flex;
    width: min(100%, 22ch);
    margin-top: 0.18em;
  }

  .two-column .section-label,
  .contact-section .section-label {
    margin-bottom: 6px;
  }

  .project-card,
  .skill-grid article {
    min-height: auto;
  }

  .project-card.linked-card {
    min-height: 220px;
  }

  html.js [data-mobile-collapsible].is-mobile-collapsed > :nth-child(n + 3) {
    display: none;
  }

  html.js .mobile-load-more {
    display: inline-flex;
  }

  .contact-links {
    justify-content: flex-start;
  }

  .footer {
    display: block;
  }

  .footer p + p {
    margin-top: 8px;
  }
}

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

  .rotating-role {
    transition: none;
  }

  .project-card,
  .skill-grid article,
  .timeline article,
  .scholar-card,
  .system-card {
    transition: none;
  }

  .project-card:hover,
  .project-card:focus-within,
  .skill-grid article:hover,
  .skill-grid article:focus-within,
  .timeline article:hover,
  .timeline article:focus-within,
  .scholar-card:hover,
  .scholar-card:focus-within {
    transform: none;
  }

  .rotating-role.is-shining .role-text::after {
    animation: none;
    opacity: 0;
  }
}

@keyframes surface-shine {
  to {
    transform: translateX(460%) skewX(-16deg);
  }
}


.scholar-card {
  will-change: transform;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.scholar-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 16px;
  border-bottom: 1px solid var(--line-soft);
}

.scholar-card-header h3,
.scholar-card-header p {
  margin-bottom: 0;
}

.scholar-card-header a {
  color: var(--muted);
  font-size: 0.82rem;
}

.paper-list {
  display: grid;
}

.paper-list a {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-top: 1px solid var(--line-soft);
  text-decoration: none;
}

.paper-list a:first-child {
  border-top: 0;
}

.paper-list span {
  color: var(--muted);
  font-size: 0.88rem;
}

.paper-list .paper-tag {
  display: inline-flex;
  align-items: center;
  margin-left: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 1px 7px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.5;
  vertical-align: 0.12em;
}

.project-card:hover,
.project-card:focus-within,
.skill-grid article:hover,
.skill-grid article:focus-within,
.timeline article:hover,
.timeline article:focus-within,
.scholar-card:hover,
.scholar-card:focus-within {
  border-color: rgba(17, 17, 17, 0.22);
  box-shadow: 0 22px 58px rgba(17, 17, 17, 0.08);
  transform: translateY(-3px) scale(1.008);
}

.paper-list a,
.note-list a,
.scholar-card-header a {
  transition: color 160ms ease, background 160ms ease;
}

.paper-list a:hover,
.paper-list a:focus-visible,
.scholar-card-header a:hover,
.scholar-card-header a:focus-visible {
  color: var(--ink);
}

@media (prefers-reduced-motion: reduce) {
  .project-card,
  .skill-grid article,
  .timeline article,
  .scholar-card,
  .system-card {
    transition: none;
  }

  .project-card:hover,
  .project-card:focus-within,
  .skill-grid article:hover,
  .skill-grid article:focus-within,
  .timeline article:hover,
  .timeline article:focus-within,
  .scholar-card:hover,
  .scholar-card:focus-within {
    transform: none;
  }
}

.article-page {
  max-width: 900px;
}

.article-shell {
  padding: clamp(34px, 6vw, 72px) 0 36px;
}

.back-link {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 0.82rem;
  text-decoration: none;
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--ink);
}

.article-hero h1 {
  max-width: 820px;
  margin-bottom: 16px;
  font-size: clamp(2.2rem, 6vw, 4.6rem);
  line-height: 1.02;
}

.article-dek {
  max-width: 720px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.25rem);
}

.article-meta {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 0.82rem;
}

.article-hero img {
  display: block;
  width: 100%;
  margin: 0 0 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.article-content {
  max-width: 720px;
}

.article-content p,
.article-content li {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.78;
}

.article-content h2 {
  margin: 38px 0 12px;
  font-size: 1.22rem;
}

.article-content ul,
.article-content ol {
  margin: 12px 0 24px;
  padding-left: 22px;
}

.article-content blockquote {
  margin: 18px 0 24px;
  border-left: 2px solid var(--ink);
  padding-left: 16px;
}

.article-content blockquote p {
  color: var(--ink);
}

@media (max-width: 720px) {
  .article-shell {
    padding-top: 28px;
  }

  .article-hero h1 {
    font-size: clamp(2rem, 11vw, 3.1rem);
  }

  .article-hero img {
    margin-bottom: 30px;
  }
}

.article-content .article-callout {
  margin: 30px 0;
  border-left: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

.article-content .article-callout p {
  max-width: 620px;
  color: var(--ink);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  line-height: 1.35;
}