:root {
  color-scheme: only dark;
  --bg: #0b0f14;
  --bg-lift: #10161d;
  --panel: #141b23;
  --text: #d8dee9;
  --heading: #eceff4;
  --muted: #a7b1c2;
  --faint: #768294;
  --line: #26313f;
  --line-soft: #1a222d;
  --link: #88c0d0;
  --link-hover: #b7d7e2;
  --separator-width: 2px;
  --active-underline-width: 3px;

  /*
    Headshot crop controls:
    - frame size changes the displayed diameter of the circular image.
    - image crop coordinates live in scripts/crop_headshot.py.
    - ring-width and ring-color control the circular outline.
  */
  --headshot-frame-size: 184px;
  --headshot-mobile-size: 112px;
  --headshot-phone-size: 92px;
  --headshot-ring-width: 4px;
  --headshot-ring-color: #88c0d0;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
  color-scheme: only dark;
  overflow-y: scroll;
  scrollbar-gutter: stable;
  scrollbar-color: #344154 #0b0f14;
}

body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.68;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover,
a:focus {
  color: var(--link-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

code {
  padding: 0.08rem 0.28rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg-lift);
  color: var(--heading);
  font-size: 0.92em;
}

.masthead {
  background: #0b0f14;
  border-bottom: var(--separator-width) solid var(--line-soft);
}

.masthead-inner {
  width: min(1120px, calc(100% - 36px));
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0 auto;
}

.site-title {
  display: inline-flex;
  align-items: center;
  min-width: 10.8ch;
  color: var(--heading);
  font-family: ui-monospace, "SFMono-Regular", "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.96rem;
  font-weight: 700;
}

.site-title:hover,
.site-title:focus {
  color: var(--heading);
  text-decoration: none;
}

.typed-path {
  width: 9ch;
  display: inline-block;
  overflow: hidden;
  border-right: 2px solid var(--link);
  color: var(--heading);
  white-space: nowrap;
  animation:
    type-path 14s steps(9, end) infinite,
    blink-cursor 900ms steps(1, end) infinite;
}

@keyframes type-path {
  0%,
  7% {
    width: 0;
  }

  20%,
  82% {
    width: 9ch;
  }

  92%,
  100% {
    width: 0;
  }
}

@keyframes blink-cursor {
  0%,
  49% {
    border-color: var(--link);
  }

  50%,
  100% {
    border-color: transparent;
  }
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 0.93rem;
}

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

.nav-links a:hover,
.nav-links a:focus,
.nav-links a.active {
  color: var(--heading);
  text-decoration: none;
}

.nav-links a.active {
  box-shadow: inset 0 calc(-1 * var(--active-underline-width)) 0 var(--link);
}

.page {
  width: min(1120px, calc(100% - 36px));
  display: grid;
  grid-template-columns: 250px minmax(0, 760px);
  gap: 58px;
  margin: 0 auto;
  padding: 46px 0 42px;
}

.author {
  position: sticky;
  top: 34px;
  align-self: start;
  color: var(--muted);
  font-size: 0.93rem;
}

.author-image-frame {
  width: var(--headshot-frame-size);
  height: var(--headshot-frame-size);
  overflow: hidden;
  border: var(--headshot-ring-width) solid var(--headshot-ring-color);
  border-radius: 50%;
  background: var(--panel);
  box-shadow:
    0 0 0 2px var(--bg),
    0 0 0 calc(var(--headshot-ring-width) + 2px) rgba(136, 192, 208, 0.18),
    0 14px 36px rgba(0, 0, 0, 0.28);
}

.author-image-frame picture {
  display: block;
  width: 100%;
  height: 100%;
}

.author-image {
  width: 100%;
  height: 100%;
  display: block;
  image-orientation: from-image;
  object-fit: cover;
}

.author h1 {
  margin: 19px 0 7px;
  color: var(--heading);
  font-size: 1.35rem;
  line-height: 1.25;
}

.author-bio {
  max-width: 220px;
  margin: 0;
}

.author-links {
  display: grid;
  gap: 9px;
  margin: 22px 0 0;
  padding: 20px 0 0;
  border-top: var(--separator-width) solid var(--line);
  list-style: none;
}

.author-links li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 9px;
  align-items: center;
  margin: 0;
}

.profile-icon {
  width: 16px;
  height: 16px;
  color: var(--faint);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.content {
  min-width: 0;
}

section {
  padding-bottom: 30px;
  margin-bottom: 30px;
  border-bottom: var(--separator-width) solid var(--line-soft);
}

section:last-child {
  border-bottom: 0;
}

.intro {
  padding-top: 1px;
}

.media-intro {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 0;
}

h2,
h3 {
  margin: 0 0 14px;
  color: var(--heading);
  line-height: 1.32;
}

h2 {
  font-size: 2rem;
  font-weight: 700;
}

h3 {
  font-size: 1.28rem;
  font-weight: 650;
}

p {
  margin: 0 0 14px;
}

p:last-child {
  margin-bottom: 0;
}

ul {
  margin: 0 0 0 1.1rem;
  padding: 0;
}

li {
  margin: 0 0 8px;
}

strong {
  color: var(--heading);
}

.publication-list {
  margin-left: 0;
  list-style: none;
}

.publication-list li {
  margin-bottom: 18px;
  padding-left: 18px;
  border-left: 3px solid var(--line);
}

.publication-list span {
  color: var(--muted);
}

.news-list,
.cv-list,
.details-list {
  display: grid;
  gap: 14px;
  margin: 0;
}

.news-list div,
.cv-list div,
.details-list div {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 18px;
}

dt {
  color: var(--faint);
}

dd {
  margin: 0;
}

.cv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 4px;
  color: var(--faint);
}

.cv-document {
  display: grid;
  gap: 20px;
  padding-bottom: 0;
  border-bottom: 0;
}

.cv-page {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0;
  background: #ffffff;
  box-shadow:
    0 0 0 1px rgba(216, 222, 233, 0.12),
    0 16px 44px rgba(0, 0, 0, 0.30);
}

.video-frame {
  width: 100%;
  aspect-ratio: 1832 / 948;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
}

.video-frame iframe,
.video-player {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  background: #000000;
}

.caption {
  margin-top: 14px;
  color: var(--muted);
}

.media-index {
  display: grid;
}

.media-link {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-top: var(--separator-width) solid var(--line-soft);
  border-bottom: var(--separator-width) solid var(--line-soft);
  color: var(--text);
}

.media-link + .media-link {
  border-top: 0;
}

.media-link:hover,
.media-link:focus {
  color: var(--text);
  text-decoration: none;
}

.media-link:hover .media-link-title,
.media-link:focus .media-link-title {
  color: var(--link-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.media-link-date {
  color: var(--faint);
}

.media-link-body {
  min-width: 0;
}

.media-link-title,
.media-link-meta {
  display: block;
}

.media-link-title {
  color: var(--heading);
  font-weight: 650;
}

.media-link-meta {
  color: var(--muted);
}

.single-page {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 40px 0 42px;
}

.talk-page {
  max-width: 1120px;
}

.talk-hero h2 {
  max-width: 900px;
  margin-bottom: 8px;
}

.breadcrumb,
.talk-meta {
  color: var(--muted);
}

.breadcrumb {
  margin-bottom: 12px;
  font-size: 0.92rem;
}

.talk-meta {
  margin-bottom: 22px;
}

.video-frame-large {
  border-radius: 4px;
  box-shadow:
    0 0 0 1px rgba(216, 222, 233, 0.08),
    0 18px 52px rgba(0, 0, 0, 0.35);
}

.corrections-list {
  color: var(--muted);
}

.footer {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 0 0 40px;
  color: var(--faint);
  font-size: 0.9rem;
}

@media (max-width: 860px) {
  .masthead-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 14px 0;
  }

  .nav-links {
    gap: 14px;
  }

  .page {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-top: 30px;
  }

  .author {
    position: static;
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 0 18px;
    align-items: center;
  }

  .author-image-frame {
    width: var(--headshot-mobile-size);
    height: var(--headshot-mobile-size);
    grid-row: span 3;
  }

  .author h1 {
    margin-top: 0;
  }

  .author-bio {
    max-width: none;
  }

  .author-links {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 18px;
  }

}

@media (max-width: 540px) {
  body {
    font-size: 15px;
  }

  .masthead-inner,
  .page,
  .footer {
    width: min(100% - 28px, 1120px);
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
  }

  .author {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 0 16px;
  }

  .author-image-frame {
    width: var(--headshot-phone-size);
    height: var(--headshot-phone-size);
  }

  .author-links {
    grid-template-columns: 1fr;
  }

  .media-link,
  .news-list div,
  .cv-list div,
  .details-list div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  h2 {
    font-size: 1.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .typed-path {
    width: auto;
    animation: none;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: only dark;
  }

  html,
  body,
  .masthead {
    background: var(--bg);
    color: var(--text);
  }
}