:root {
  --paper: #f3f0e8;
  --paper-raised: #fbf9f4;
  --ink: #1c1916;
  --ink-soft: #3f3b35;
  --faint: #8a8376;
  --rule: rgba(28, 25, 22, 0.12);
  --frame: #e4dfd4;
  --accent: #9a3c34;
  --accent-soft: rgba(154, 60, 52, 0.1);
  --trace-a: #9a3c34;
  --trace-b: #2c428c;
  --serif: "Fraunces", "Iowan Old Style", Palatino, Georgia, serif;
  --sans: "Outfit", "Avenir Next", "Segoe UI", sans-serif;
  --width: min(60rem, calc(100% - 3rem));
}

:root[data-theme="dark"] {
  --paper: #14120f;
  --paper-raised: #1d1a16;
  --ink: #ede7db;
  --ink-soft: #c4bdb0;
  --faint: #8f887b;
  --rule: rgba(237, 231, 219, 0.12);
  --frame: #2a2620;
  --accent: #e0857a;
  --accent-soft: rgba(224, 133, 122, 0.12);
  --trace-a: #e0857a;
  --trace-b: #8ea4ec;
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #14120f;
    --paper-raised: #1d1a16;
    --ink: #ede7db;
    --ink-soft: #c4bdb0;
    --faint: #8f887b;
    --rule: rgba(237, 231, 219, 0.12);
    --frame: #2a2620;
    --accent: #e0857a;
    --accent-soft: rgba(224, 133, 122, 0.12);
    --trace-a: #e0857a;
    --trace-b: #8ea4ec;
    color-scheme: dark;
  }
}

:root[data-theme="light"] {
  color-scheme: light;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
}

::view-transition-new(root) {
  z-index: 2;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4.5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--sans);
  font-weight: 340;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--accent);
  color: var(--paper);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

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

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

main,
.nav,
.footer {
  width: var(--width);
  margin-inline: auto;
}

main,
.footer {
  position: relative;
  z-index: 1;
}

.flow-field {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to right, #000 0%, rgba(0, 0, 0, 0.35) 28%, rgba(0, 0, 0, 0.35) 72%, #000 100%);
  mask-image: linear-gradient(to right, #000 0%, rgba(0, 0, 0, 0.35) 28%, rgba(0, 0, 0, 0.35) 72%, #000 100%);
}

/* Navigation */

.nav-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 0;
}

.nav a {
  text-decoration: none;
  line-height: 1;
}

.nav-name {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 560;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 1.6rem;
}

.nav-links a {
  color: var(--ink-soft);
  font-size: 0.74rem;
  font-weight: 480;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

.nav-links {
  align-items: center;
}

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  margin: -0.5rem 0 -0.5rem -0.4rem;
  padding: 0;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--paper-raised);
  color: var(--ink-soft);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.3s ease;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: rotate(-12deg);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.theme-toggle svg {
  width: 1rem;
  height: 1rem;
}

.theme-toggle .icon-sun,
.is-dark .theme-toggle .icon-moon {
  display: none;
}

.is-dark .theme-toggle .icon-sun {
  display: block;
}

/* Hero */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  min-height: min(36rem, calc(100svh - 4rem));
  padding: clamp(2.5rem, 6vh, 4rem) 0 clamp(1.5rem, 3vh, 2.5rem);
}

.hero-copy {
  min-width: 0;
}

.hero-copy > .eyebrow,
.hero-copy > .tagline,
.hero-copy > .socials {
  animation: rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.hero-copy > .eyebrow {
  animation-delay: 0.05s;
}

.hero-copy > .tagline {
  animation-delay: 1.9s;
}

.hero-copy > .socials {
  animation-delay: 2.05s;
}

h1 .line {
  display: block;
}

.js h1 .line {
  visibility: hidden;
}

.js h1 .char.is-typed,
.js h1 .caret,
.js h1.is-static .line {
  visibility: visible;
}

.caret {
  display: inline-block;
  width: 0.06em;
  height: 0.78em;
  margin-left: 0.04em;
  margin-right: -0.1em;
  background: var(--accent);
  vertical-align: -0.02em;
  border-radius: 1px;
  animation: caret-blink 1.05s steps(1) infinite;
}

.caret.is-typing {
  animation: none;
}

.caret.is-done {
  animation: caret-blink 1.05s steps(1) 3, caret-out 0.4s ease 3.15s forwards;
}

@keyframes caret-blink {
  50% {
    opacity: 0;
  }
}

@keyframes caret-out {
  to {
    opacity: 0;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.4rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 560;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 1.75rem;
  height: 1px;
  background: currentColor;
}

h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 460;
  font-size: clamp(2.9rem, 6.4vw, 5rem);
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.tagline {
  max-width: 27rem;
  margin: 1.6rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  line-height: 1.5;
}

.tagline em {
  color: var(--ink);
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
}

.socials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.socials a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.95rem 0.55rem 0.8rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--paper-raised);
  font-size: 0.88rem;
  font-weight: 480;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

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

.socials svg {
  width: 1.05rem;
  height: 1.05rem;
  flex: none;
}

.stage {
  position: relative;
  margin: 0;
  min-width: 0;
  animation: fade 1.6s ease 0.2s both;
}

.stage canvas {
  width: 124%;
  margin: -12% -12% -10%;
}

canvas {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}

canvas.is-dragging {
  cursor: grabbing;
}

.stage figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem 1rem;
  margin-top: 0.5rem;
}

.stage-name {
  color: var(--accent);
  font-family: var(--serif);
  font-size: 0.95rem;
  font-style: italic;
}

.stage-hint {
  color: var(--faint);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Sections */

.about,
.research,
.background {
  padding: clamp(3rem, 8vh, 5rem) 0;
  border-top: 1px solid var(--rule);
}

.about {
  padding-top: clamp(2.25rem, 5vh, 3.25rem);
}

h2 {
  margin: 0 0 2rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(2rem, 3.6vw, 2.6rem);
  font-weight: 460;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2rem;
}

.section-head h2 {
  margin: 0;
}

.section-note {
  margin: 0;
  color: var(--faint);
  font-size: 0.82rem;
}

/* About */

.about-body {
  display: grid;
  grid-template-columns: 15rem minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.portrait {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 30%;
  background: var(--frame);
  border-radius: 6px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06), 0 12px 30px -18px rgba(28, 25, 22, 0.45);
}

.about-copy {
  max-width: 38rem;
}

.about-copy p {
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.4vw, 1.15rem);
  line-height: 1.65;
}

.about-copy p + p {
  margin-top: 1.1rem;
}

.about-copy .lead {
  margin-bottom: 1.5rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.3vw, 1.8rem);
  font-weight: 460;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.about-copy strong {
  color: var(--ink);
  font-weight: 480;
}

.about-copy a {
  text-decoration-color: var(--accent);
}

/* Papers */

.papers {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.paper {
  display: grid;
  grid-template-columns: 17rem minmax(0, 1fr);
  gap: 1.25rem 2rem;
  align-items: center;
  margin-inline: -1rem;
  padding: 1rem;
  border-radius: 10px;
  color: inherit;
  text-decoration: none;
  transition: background-color 0.25s ease;
}

.paper:hover,
.paper:focus-visible {
  color: inherit;
  background: var(--accent-soft);
}

.paper-figure {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  padding: 0.5rem;
  background: #fffcf8;
  border: 1px solid var(--rule);
  border-radius: 6px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.paper img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.paper:hover .paper-figure,
.paper:focus-visible .paper-figure {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  box-shadow: 0 14px 30px -20px rgba(28, 25, 22, 0.5);
}

.paper:hover img,
.paper:focus-visible img {
  transform: scale(1.03);
}

.paper-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
  min-width: 0;
}

.paper-venue {
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--faint);
  font-size: 0.7rem;
  font-weight: 560;
  letter-spacing: 0.1em;
  line-height: 1;
  text-transform: uppercase;
}

.paper-venue.is-accepted {
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
  background: var(--accent-soft);
  color: var(--accent);
}

.paper h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 1.9vw, 1.55rem);
  font-weight: 460;
  letter-spacing: -0.02em;
  line-height: 1.22;
  transition: color 0.2s ease;
}

.paper:hover h3,
.paper:focus-visible h3 {
  color: var(--accent);
}

.paper-authors {
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.45;
}

.paper-authors .me {
  color: var(--ink);
  font-weight: 480;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.18em;
}

/* Background */

.cv-group {
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: 1rem 2rem;
}

.cv-group + .cv-group {
  margin-top: 2.75rem;
}

.cv-label {
  margin: 0;
  padding-top: 1.05rem;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 560;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.cv-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.cv-item {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 0.4rem 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--rule);
}

.cv-item:first-child {
  border-top: 0;
}

.cv-when {
  padding-top: 0.3rem;
  color: var(--faint);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.cv-body h4 {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.6vw, 1.25rem);
  font-weight: 460;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.cv-where {
  display: block;
  margin-top: 0.15rem;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 400;
  letter-spacing: 0;
}

.cv-body p {
  margin: 0.45rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.55;
}

.cv-body a {
  text-decoration-color: var(--accent);
}

/* Footer */

.footer {
  padding: clamp(3rem, 8vh, 4.5rem) 0 2.5rem;
  border-top: 1px solid var(--rule);
}

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1.25rem 2rem;
}

.footer-lead {
  max-width: 26rem;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.footer-email {
  margin-right: 0.4rem;
  font-size: 1rem;
  font-weight: 480;
  text-decoration-color: var(--accent);
  overflow-wrap: anywhere;
}

.footer-icon {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--paper-raised);
  color: var(--ink-soft);
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

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

.footer-icon svg {
  width: 1.05rem;
  height: 1.05rem;
}

.footer-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.5rem;
  color: var(--faint);
  font-size: 0.82rem;
}

.footer-meta p {
  margin: 0;
}

/* Motion */

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
}

@keyframes fade {
  from {
    opacity: 0;
  }
}

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Responsive */

@media (max-width: 800px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
    padding-top: 2.5rem;
  }

  .stage {
    width: min(100%, 30rem);
    margin-inline: auto;
  }

  .stage canvas {
    width: 112%;
    margin: -6% -6% -4%;
  }

  .about-body {
    grid-template-columns: minmax(0, 1fr);
  }

  .portrait {
    width: 11rem;
  }

  .paper {
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
  }

  .cv-group {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.25rem;
  }

  .cv-label {
    padding-top: 0;
  }
}

@media (max-width: 520px) {
  .nav-name {
    display: none;
  }

  .nav {
    justify-content: flex-start;
  }

  .section-head {
    flex-direction: column;
    gap: 0.6rem;
  }

  .footer-meta {
    flex-direction: column;
    gap: 0.3rem;
  }

  .cv-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.2rem;
  }

  .cv-when {
    padding-top: 0;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}