:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --card-soft: #f8fbff;
  --text: #1d2736;
  --muted: #5f6f84;
  --line: #d9e3ef;
  --link: #1d6fd8;
  --link-hover: #0d55b4;
  --link-soft: #eaf3ff;
  --highlight: #fff7d8;
  --shadow: 0 8px 32px rgba(22, 37, 64, 0.07);
  --shadow-hover: 0 12px 40px rgba(22, 37, 64, 0.13);
  --radius: 8px;
  --radius-sm: 6px;
  --container: 1240px;
  --nav-height: 56px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 20px);
}

body {
  margin: 0;
  padding: var(--nav-height) 0 56px;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(29, 111, 216, 0.06), transparent 28%),
    linear-gradient(180deg, #f7faff 0%, var(--bg) 100%);
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.68;
  letter-spacing: 0;
}

a {
  color: var(--link);
  text-decoration: none;
  transition:
    color 0.22s ease,
    background 0.22s ease,
    box-shadow 0.22s ease,
    transform 0.22s ease;
}

a:hover,
a:focus-visible {
  color: var(--link-hover);
}

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

strong {
  font-weight: 650;
}

em {
  font-style: italic;
}

hr {
  display: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(217, 227, 239, 0.55);
  background: rgba(255, 255, 255, 0.74);
  backdrop-filter: blur(16px);
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(var(--container), calc(100% - 48px));
  min-height: var(--nav-height);
  margin: 0 auto;
}

.nav-brand {
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 750;
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-menu a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 5px 13px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 550;
  text-decoration: none;
}

.nav-menu a:hover,
.nav-menu a:focus-visible,
.nav-menu a.active {
  color: var(--link);
  background: var(--link-soft);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 38px;
  margin-left: auto;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 22px;
  height: 2px;
  margin: 0 0 4px auto;
  border-radius: 1px;
  background: var(--text);
}

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 24px auto 0;
  padding: 0;
}

.intro,
.news,
.publications,
.experience,
.education,
.projects {
  border: 1px solid rgba(217, 227, 239, 0.72);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.95fr);
  gap: 32px;
  align-items: center;
  padding: 36px;
  overflow: hidden;
}

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

h1,
h2,
h3 {
  margin: 0;
  color: var(--text);
  line-height: 1.22;
}

h1,
h2 {
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  font-weight: 650;
}

h1 {
  margin-bottom: 8px;
  font-size: clamp(2.25rem, 4vw, 3.55rem);
  line-height: 1.06;
}

h1 span {
  margin-left: 10px;
  color: var(--muted);
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 1.05rem;
  font-weight: 450;
  vertical-align: middle;
}

h2 {
  margin-bottom: 18px;
  font-size: 1.8rem;
}

h3 {
  font-weight: 700;
}

.subtitle {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 1.04rem;
  font-weight: 500;
}

.intro p {
  margin: 0 0 14px;
}

.profile {
  align-self: center;
  margin: 0;
  padding: 14px;
  border: 1px solid rgba(29, 111, 216, 0.1);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(29, 111, 216, 0.1), rgba(255, 255, 255, 0.9)),
    #ffffff;
}

.profile img {
  width: 100%;
  aspect-ratio: 4 / 5;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 24px rgba(34, 57, 92, 0.1);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.links a,
.pub-links a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 13px;
  border-radius: 999px;
  background: var(--link-soft);
  color: var(--link);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
}

.links a:hover,
.links a:focus-visible,
.pub-links a:hover,
.pub-links a:focus-visible {
  color: #ffffff;
  background: var(--link);
  box-shadow: 0 6px 16px rgba(29, 111, 216, 0.18);
  transform: translateY(-1px);
}

.news,
.publications,
.experience,
.education,
.projects {
  margin-top: 24px;
  padding: 30px 34px;
}

.news table {
  width: 100%;
  border-collapse: collapse;
}

.news td {
  padding: 3px 0 8px;
  vertical-align: top;
}

.news td:first-child {
  width: 112px;
  color: var(--muted);
  white-space: nowrap;
}

.pub-list {
  display: grid;
  gap: 22px;
}

.pub-card,
.code-card {
  display: grid;
  grid-template-columns: clamp(360px, 36vw, 500px) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease;
}

.pub-card:hover,
.code-card:hover {
  transform: translateY(-3px);
  border-color: rgba(29, 111, 216, 0.24);
  box-shadow: var(--shadow-hover);
}

.pub-card.featured {
  border-color: #eed994;
  background:
    linear-gradient(180deg, rgba(255, 247, 216, 0.72), rgba(255, 255, 255, 0.98)),
    #ffffff;
}

.pub-media,
.code-media {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background:
    radial-gradient(circle at top left, rgba(29, 111, 216, 0.08), transparent 55%),
    #f5f8fc;
  text-decoration: none;
}

.pub-media img,
.pub-media video,
.code-media video {
  width: 100%;
  height: 100%;
  border: 1px solid rgba(29, 111, 216, 0.08);
  border-radius: var(--radius-sm);
  background: #f5f8fc;
  box-shadow: 0 8px 20px rgba(37, 58, 89, 0.08);
  object-fit: contain;
  object-position: center;
  transition: transform 0.22s ease;
}

.code-media video {
  background: #eef3f9;
}

.pub-card:hover .pub-media img,
.pub-card:hover .pub-media video,
.code-card:hover .code-media video {
  transform: scale(1.025);
}

.pub-body,
.code-body {
  min-width: 0;
}

.pub-title,
.code-body h3 {
  margin: 0 0 8px;
  font-size: 1.13rem;
  font-weight: 750;
  line-height: 1.4;
}

.authors,
.venue,
.abstract,
.code-body p {
  margin: 0 0 8px;
}

.authors {
  font-size: 0.96rem;
}

.authors em {
  font-weight: 650;
}

.venue {
  color: #3d4d66;
  font-size: 0.96rem;
  font-style: italic;
  font-weight: 500;
}

.abstract,
.code-body p {
  color: var(--muted);
  font-size: 0.95rem;
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.manuscript-block {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.manuscript-block h3 {
  margin-bottom: 12px;
  color: #26384f;
  font-size: 1rem;
}

.manuscript-block ul {
  margin: 0;
  padding-left: 1.1rem;
}

.manuscript-block li {
  margin-bottom: 12px;
}

.manuscript-block li:last-child {
  margin-bottom: 0;
}

.manuscript-block span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
}

.manuscript-block .manuscript-authors {
  margin-top: 3px;
  color: #42526a;
}

.manuscript-block .manuscript-authors em {
  font-weight: 650;
}

.manuscript-block .manuscript-authors a {
  color: #42526a;
}

.manuscript-block .manuscript-authors a:hover,
.manuscript-block .manuscript-authors a:focus-visible {
  color: var(--link);
}

.compact-list {
  margin: 0;
  padding-left: 1.1rem;
}

.compact-list li {
  margin-bottom: 10px;
}

.compact-list li:last-child {
  margin-bottom: 0;
}

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

.code-card {
  align-items: center;
}

.code-kicker {
  margin-bottom: 5px;
  color: var(--link);
  font-size: 0.8rem;
  font-weight: 750;
  text-transform: uppercase;
}

.code-points {
  margin: 0;
  padding-left: 1.08rem;
  color: #526173;
  font-size: 0.92rem;
}

.code-points li {
  margin-bottom: 4px;
}

.columns {
  columns: 2;
}

footer {
  margin-top: 22px;
  color: var(--muted);
  font-size: 0.92rem;
  text-align: center;
}

footer p {
  margin: 0;
}

@media (max-width: 920px) {
  .nav {
    width: min(var(--container), calc(100% - 24px));
  }

  .intro,
  .pub-card,
  .code-card {
    grid-template-columns: 1fr;
  }

  .intro {
    padding: 26px;
  }

  .profile {
    width: min(420px, 100%);
    justify-self: center;
  }

  .news,
  .publications,
  .experience,
  .education,
  .projects {
    padding: 24px 22px;
  }

  .pub-card,
  .code-card {
    gap: 18px;
    padding: 18px;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }

  .container {
    width: min(100% - 20px, var(--container));
    margin-top: 14px;
  }

  .nav-brand {
    font-size: 0.98rem;
  }

  .nav-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: var(--nav-height);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: hidden;
    border: 1px solid rgba(217, 227, 239, 0.85);
    border-top: 0;
    border-radius: 0 0 var(--radius) var(--radius);
    background: #ffffff;
    box-shadow: var(--shadow);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-menu a {
    width: 100%;
    min-height: 44px;
    justify-content: flex-end;
    border-radius: 0;
    border-top: 1px solid var(--line);
    padding: 0.78rem 15px;
  }

  h1 {
    font-size: 2rem;
  }

  h1 span {
    display: block;
    margin: 3px 0 0;
  }

  h2 {
    font-size: 1.45rem;
  }

  .intro,
  .news,
  .publications,
  .experience,
  .education,
  .projects {
    border-radius: var(--radius);
  }

  .intro {
    gap: 18px;
    padding: 18px;
  }

  .intro p {
    margin-bottom: 10px;
    line-height: 1.52;
  }

  .intro-extra {
    display: none;
  }

  .subtitle {
    margin-bottom: 12px;
  }

  .profile {
    width: min(250px, 82%);
    padding: 10px;
  }

  .links {
    margin-top: 16px;
  }

  .news td:first-child {
    width: 94px;
  }

  .pub-card,
  .code-card {
    padding: 14px;
  }

  .pub-media,
  .code-media {
    aspect-ratio: 4 / 3;
  }

  .columns {
    columns: 1;
  }
}