@import url("https://fonts.googleapis.com/css2?family=Spectral:wght@400;500;600;700&display=swap");

:root {
  --bg: #f8f7f0;
  --surface: #f2f2ed;
  --border: #000000;
  --text: #1a1a1a;
  --muted: #6b7280;
  --accent: #ef8f28;
  --accent-h: #4040b0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: Spectral, Georgia, serif;
}

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

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  backdrop-filter: blur(6px);
}

.nav-inner {
  max-width: 48rem;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: flex-end;
}

.nav-list {
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-link.active {
  color: var(--accent);
  font-weight: 600;
}

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  color: var(--muted);
  text-align: center;
  font-size: 0.78rem;
}

.dot {
  margin: 0 0.5rem;
}

.page {
  width: 100%;
  padding: 4rem 1.5rem;
}

.page-narrow {
  max-width: 48rem;
  margin: 0 auto;
}

.page-wide {
  max-width: 64rem;
  margin: 0 auto;
}

.page-four {
  width: auto;
  margin-inline: 2%;
  padding-inline: 0;
}

.layout-with-sidebar {
  display: flex;
  gap: 2rem;
}

.side-col {
  display: none;
  width: 9rem;
  flex: 0 0 auto;
}

.side-sticky {
  position: sticky;
  top: 6rem;
}

.side-nav {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.78rem;
}

.side-nav a {
  display: block;
  border-radius: 0.25rem;
  padding: 0.25rem 0.5rem;
  color: var(--muted);
}

.side-nav a.active {
  color: var(--accent);
  font-weight: 700;
}

.content-col {
  min-width: 0;
  flex: 1 1 auto;
}

.card {
  overflow: hidden;
  background: var(--surface);
  padding: 2rem;
  box-shadow: 0 4px 10px rgb(0 0 0 / 0.14);
}

.card-vignette {
  -webkit-mask-image:
    linear-gradient(to right, rgb(0 0 0 / 0.5) 0%, black 2%, black 98%, rgb(0 0 0 / 0.5) 100%),
    linear-gradient(to bottom, rgb(0 0 0 / 0.5) 0%, black 2%, black 98%, rgb(0 0 0 / 0.5) 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to right, rgb(0 0 0 / 0.5) 0%, black 2%, black 98%, rgb(0 0 0 / 0.5) 100%),
    linear-gradient(to bottom, rgb(0 0 0 / 0.5) 0%, black 2%, black 98%, rgb(0 0 0 / 0.5) 100%);
  mask-composite: intersect;
}

.stack-lg > * + * {
  margin-top: 3.5rem;
}

.stack-md > * + * {
  margin-top: 2.5rem;
}

.hero {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.hero h1,
.cv-header h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.5rem);
  line-height: 1.1;
}

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

.small {
  font-size: 0.92rem;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.profile-link {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.profile-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.photo {
  width: 10rem;
  height: 10rem;
  border-radius: 50%;
  object-fit: cover;
  align-self: center;
  flex: 0 0 auto;
}

.section-heading {
  margin: 0 0 0.9rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.25rem;
  color: var(--accent);
  font-size: 1rem;
  font-weight: 700;
}

.cv-heading {
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.prose {
  line-height: 1.65;
}

.prose p {
  margin: 0;
}

.prose p + p {
  margin-top: 1rem;
}

.news-list,
.plain-list,
.talk-list,
.teaching-list,
.award-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.news-list > * + *,
.plain-list > * + *,
.talk-list > * + *,
.teaching-list > * + *,
.award-list > * + * {
  margin-top: 0.75rem;
}

.news-item {
  display: flex;
  gap: 1rem;
  font-size: 0.92rem;
}

.news-date {
  width: 5rem;
  flex: 0 0 auto;
  color: var(--muted);
}

.cv-entry,
.split-entry {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.92rem;
}

.cv-entry + .cv-entry {
  margin-top: 1rem;
}

.paper-list {
  margin: 0;
  padding-left: 1.2rem;
}

.paper-list > * + * {
  margin-top: 0.75rem;
}

.paper-item,
.talk-item,
.teaching-item,
.award-item {
  line-height: 1.55;
}

.cv-date {
  flex: 0 0 auto;
  color: var(--muted);
}

.detail {
  margin: 0.1rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-style: italic;
}

.max-copy {
  max-width: 48rem;
  margin-inline: auto;
}

.viz-frame {
  display: block;
  width: calc(100% + 2rem);
  height: 520px;
  margin-inline: -1rem;
  border: 1px solid var(--border);
}

mjx-container[jax="SVG"] {
  display: inline-block;
  vertical-align: middle;
}

@media (min-width: 640px) {
  .hero {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }

  .photo {
    align-self: flex-start;
  }

  .cv-entry,
  .split-entry {
    flex-direction: row;
    justify-content: space-between;
    gap: 1rem;
  }

  .cv-date {
    text-align: right;
  }
}

@media (min-width: 1280px) {
  .side-col {
    display: block;
  }
}

@media (max-width: 640px) {
  .page {
    padding-block: 2.5rem;
  }

  .card {
    padding: 1.5rem;
  }

  .news-item {
    gap: 0.75rem;
  }
}

@media print {
  :root {
    --bg: #ffffff;
    --surface: #ffffff;
    --border: #cccccc;
    --text: #000000;
    --muted: #444444;
    --accent: #000000;
  }

  .site-header,
  .site-footer,
  .side-col {
    display: none !important;
  }

  .page {
    max-width: none;
    padding: 0;
  }

  .card {
    padding: 0;
    box-shadow: none;
  }

  .card-vignette {
    -webkit-mask-image: none;
    mask-image: none;
  }

  a {
    color: #000000;
    text-decoration: none;
  }

  @page {
    margin: 1in 0.85in;
    size: letter;
  }
}