:root {
  --paper: #f3f0e8;
  --paper-raised: #faf8f2;
  --ink: #172019;
  --ink-soft: #566057;
  --line: #cfcbbf;
  --line-strong: #9ca398;
  --accent: #e94e2d;
  --accent-ink: #fff9f3;
  --signal: #72b36a;
  --shadow: 0 18px 50px rgba(39, 43, 35, 0.08);
  --mono: "DM Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  --sans: "Manrope", Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  --paper: #111411;
  --paper-raised: #191d19;
  --ink: #edf0e7;
  --ink-soft: #a7afa5;
  --line: #343b34;
  --line-strong: #657064;
  --accent: #ff6b49;
  --accent-ink: #18110e;
  --signal: #83c77c;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(23, 32, 25, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 32, 25, 0.025) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  transition: background-color 180ms ease, color 180ms ease;
}

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

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

img {
  display: block;
  max-width: 100%;
}

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

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

.shell {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-160%);
  transition: transform 150ms ease;
}

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

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: blur(14px);
}

.header-inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand:hover {
  color: var(--ink);
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 500;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
}

.menu-toggle {
  display: none;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-nav a {
  position: relative;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

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

.theme-toggle {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 1rem;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero {
  padding: clamp(70px, 11vw, 150px) 0 clamp(70px, 9vw, 125px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.36fr);
  align-items: end;
  gap: clamp(50px, 9vw, 130px);
}

.eyebrow,
.kicker,
.note-label,
.project-status {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 28px;
  color: var(--ink-soft);
}

.signal {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--signal) 18%, transparent);
}

.hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(3rem, 7.5vw, 7rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.075em;
}

.hero-intro {
  max-width: 680px;
  margin: 32px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.65;
}

.button-row,
.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 11px 18px;
  border: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 0.78rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: transform 160ms ease, box-shadow 160ms ease, color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  color: inherit;
  box-shadow: var(--shadow);
}

.button-primary {
  background: var(--ink);
  color: var(--paper);
}

.button-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.button-secondary {
  background: transparent;
}

.button-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero-note {
  position: relative;
  padding: 26px 0 4px 28px;
  border-left: 1px solid var(--line-strong);
}

.hero-note::before {
  content: "";
  position: absolute;
  top: 0;
  left: -4px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.hero-note p {
  margin: 12px 0 18px;
  font-size: 0.95rem;
}

.hero-note a,
.text-link,
.back-link {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section {
  padding: clamp(72px, 9vw, 120px) 0;
}

.ruled-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper-raised) 74%, transparent);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 44px;
}

.kicker {
  margin: 0 0 14px;
  color: var(--accent);
}

.section-heading h2,
.page-header h1,
.article-header h1,
.not-found h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.055em;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.project-card {
  position: relative;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  padding: clamp(26px, 4vw, 44px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  transition: background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.project-card:hover {
  z-index: 1;
  background: var(--paper-raised);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.card-link {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
}

.project-number {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
}

.project-status {
  color: var(--accent);
}

.project-card h3 {
  margin: 0 0 14px;
  font-size: clamp(1.45rem, 3vw, 2.3rem);
  font-weight: 500;
  letter-spacing: -0.04em;
}

.project-card > p {
  max-width: 520px;
  margin: 0;
  color: var(--ink-soft);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 100px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.02em;
}

.project-card .text-link {
  margin-top: auto;
  padding-top: 34px;
}

.index-note {
  max-width: 780px;
  margin: -28px 0 42px;
  padding: 18px 20px;
  border-left: 3px solid var(--accent);
  background: var(--paper-raised);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.project-meta,
.publication-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 20px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.project-meta span + span::before,
.publication-meta span + span::before {
  content: "·";
  margin-right: 18px;
  color: var(--accent);
}

.project-meta span,
.publication-meta span {
  display: inline-flex;
  align-items: baseline;
}

.proof-strip {
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  color: var(--paper);
}

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

.proof-grid > div {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px;
  border-left: 1px solid color-mix(in srgb, var(--paper) 20%, transparent);
}

.proof-grid > div:last-child {
  border-right: 1px solid color-mix(in srgb, var(--paper) 20%, transparent);
}

.proof-grid strong {
  font-size: clamp(2rem, 4vw, 3.7rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.055em;
}

.proof-grid span {
  max-width: 220px;
  margin-top: 16px;
  color: color-mix(in srgb, var(--paper) 70%, transparent);
  font-size: 0.8rem;
  line-height: 1.5;
}

.publication-list {
  border-top: 1px solid var(--line);
}

.publication-card {
  display: grid;
  grid-template-columns: 150px minmax(260px, 1.1fr) minmax(280px, 1fr);
  gap: 28px 48px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.publication-topline {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 7px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.publication-card h3 {
  margin: 0;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.03em;
}

.publication-card h3 a {
  text-decoration: none;
}

.publication-card > p {
  margin: 0;
  color: var(--ink-soft);
}

.publication-card .publication-authors {
  grid-column: 2;
  margin-top: -18px;
  font-size: 0.84rem;
}

.publication-card .publication-meta {
  grid-column: 3;
  margin-top: -18px;
}

.publication-header .publication-authors {
  margin: 22px 0 0;
  color: var(--ink-soft);
}

.publication-index {
  margin-top: -8px;
}

.timeline {
  border-top: 1px solid var(--line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 48px;
  padding: 46px 0;
  border-bottom: 1px solid var(--line);
}

.timeline-side {
  display: flex;
  flex-direction: column;
  gap: 7px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.timeline-organization {
  margin: 0 0 7px;
  color: var(--accent) !important;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.timeline-content h2 {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
}

.timeline-content > p:not(.timeline-organization) {
  max-width: 760px;
  margin: 0;
}

.timeline-content ul {
  max-width: 760px;
  margin: 18px 0 0;
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.education-grid article {
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.education-grid span {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.education-grid h3 {
  margin-top: 18px;
}

.recognition-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.recognition-grid article {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.recognition-grid strong {
  font-size: 1.7rem;
  letter-spacing: -0.04em;
}

.recognition-grid span {
  margin-top: 8px;
  color: var(--ink-soft);
}

.post-list {
  border-top: 1px solid var(--line);
}

.post-row {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) 42px;
  align-items: start;
  gap: 36px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.post-row time {
  padding-top: 6px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.post-row h2,
.post-row h3 {
  margin: 0 0 8px;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  font-weight: 600;
  letter-spacing: -0.025em;
}

.post-row h2 a,
.post-row h3 a {
  text-decoration: none;
}

.post-row p {
  max-width: 700px;
  margin: 0;
  color: var(--ink-soft);
}

.row-arrow {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  text-decoration: none;
}

.row-arrow:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.mobile-button {
  display: none;
  margin-top: 28px;
}

.page-shell,
.article-shell {
  padding-top: clamp(70px, 10vw, 130px);
  padding-bottom: clamp(90px, 12vw, 160px);
}

.page-header,
.article-header {
  max-width: 900px;
  margin-bottom: clamp(55px, 8vw, 100px);
}

.page-description {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  line-height: 1.55;
}

.back-link {
  display: inline-block;
  margin-bottom: 50px;
  text-decoration: none;
}

.article-header .kicker {
  margin-bottom: 20px;
}

.project-header .tag-list {
  margin-top: 30px;
}

.prose {
  max-width: 760px;
  font-size: 1.05rem;
}

.page-shell > .prose:has(.project-grid),
.page-shell > .prose:has(.post-list) {
  max-width: none;
}

.prose > :first-child {
  margin-top: 0;
}

.prose h2 {
  margin: 2.5em 0 0.65em;
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.prose h3 {
  margin: 2em 0 0.5em;
  font-size: 1.3rem;
}

.prose p,
.prose ul,
.prose ol {
  color: var(--ink-soft);
}

.prose strong {
  color: var(--ink);
}

.prose blockquote {
  margin: 2.2em 0;
  padding: 4px 0 4px 24px;
  border-left: 3px solid var(--accent);
  font-size: 1.15rem;
}

.prose code {
  padding: 0.15em 0.35em;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.88em;
}

.prose pre {
  overflow-x: auto;
  padding: 22px;
  background: #161b17;
  color: #eaf0e8;
}

.prose pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
}

.blog-index {
  margin-top: -8px;
}

.blog-index .tag-list {
  margin-top: 16px;
}

.project-index {
  margin-top: -8px;
}

.not-found {
  min-height: 65vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding-top: 90px;
  padding-bottom: 90px;
}

.not-found p:not(.kicker) {
  margin: 20px 0 30px;
  color: var(--ink-soft);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: var(--paper);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 42px 60px;
  padding-top: 54px;
  padding-bottom: 34px;
}

.footer-inner strong {
  font-size: 1.35rem;
}

.footer-inner p {
  margin: 5px 0 0;
  color: color-mix(in srgb, var(--paper) 66%, transparent);
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.footer-links a {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 0.05em;
}

.footer-meta {
  grid-column: 1 / -1;
  padding-top: 24px;
  border-top: 1px solid color-mix(in srgb, var(--paper) 18%, transparent);
}

@media (max-width: 840px) {
  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
    cursor: pointer;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 16px;
    left: 16px;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    background: var(--paper-raised);
    box-shadow: var(--shadow);
  }

  .site-nav[data-open="true"] {
    display: flex;
  }

  .site-nav a {
    padding: 13px 12px;
  }

  .site-nav a::after {
    right: 12px;
    bottom: 7px;
    left: 12px;
  }

  .theme-toggle {
    margin: 10px 12px 8px;
  }
}

@media (max-width: 960px) {
  .proof-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .proof-grid > div:nth-child(3) {
    border-top: 1px solid color-mix(in srgb, var(--paper) 20%, transparent);
  }

  .proof-grid > div:nth-child(4) {
    border-top: 1px solid color-mix(in srgb, var(--paper) 20%, transparent);
  }

  .publication-card {
    grid-template-columns: 110px minmax(0, 1fr);
  }

  .publication-card > p,
  .publication-card .publication-meta {
    grid-column: 2;
  }

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

@media (max-width: 800px) {
  .shell {
    width: min(100% - 32px, 680px);
  }

  .header-inner {
    min-height: 70px;
  }

  .brand > span:last-child {
    display: none;
  }

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

  .hero h1 {
    font-size: clamp(3rem, 14vw, 5.4rem);
  }

  .hero-note {
    max-width: 440px;
  }

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

  .timeline {
    display: grid;
    gap: 24px;
    border-top: 0;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 28px 24px 30px;
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    background: var(--paper-raised);
    box-shadow: var(--shadow);
  }

  .timeline-side {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px 0;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
  }

  .timeline-period,
  .timeline-location {
    display: inline-flex;
    align-items: center;
  }

  .timeline-location::before {
    content: "•";
    margin: 0 10px;
    color: var(--accent);
  }

  .post-row {
    grid-template-columns: 1fr 38px;
    gap: 10px 18px;
  }

  .post-row time {
    grid-column: 1 / -1;
  }

  .desktop-link {
    display: none;
  }

  .mobile-button {
    display: inline-flex;
  }
}

@media (max-width: 520px) {
  .header-inner {
    gap: 12px;
  }

  .theme-toggle {
    width: 32px;
    height: 32px;
  }

  .hero {
    padding-top: 64px;
  }

  .hero h1 {
    letter-spacing: -0.065em;
  }

  .button-row,
  .project-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .project-card {
    min-height: 310px;
  }

  .proof-grid,
  .recognition-grid {
    grid-template-columns: 1fr;
  }

  .proof-grid > div {
    min-height: 155px;
    border-top: 1px solid color-mix(in srgb, var(--paper) 20%, transparent);
  }

  .publication-card {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .publication-card > *,
  .publication-card > p,
  .publication-card .publication-authors,
  .publication-card .publication-meta {
    grid-column: 1;
    margin-top: 0;
  }

  .publication-topline {
    flex-direction: row;
    justify-content: space-between;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-meta {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}