:root {
  --bg: #ffffff;
  --panel: #ffffff;
  --panel-strong: #ffffff;
  --text: #1d2a24;
  --muted: #54645b;
  --accent: #2f63d6;
  --accent-soft: #f3f5f4;
  --line: rgba(29, 42, 36, 0.12);
  --shadow: 0 20px 50px rgba(19, 31, 27, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: #ffffff;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.65;
}

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

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 600;
  line-height: 1.15;
}

p {
  margin: 0;
}

.page-shell {
  width: min(1680px, calc(100vw - 48px));
  margin: 0 auto;
  padding: 24px 0 56px;
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 32px;
}

.sidebar {
  position: relative;
}

.sidebar-card {
  position: sticky;
  top: 24px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.profile-photo {
  width: 100%;
  height: 280px;
  margin-bottom: 18px;
  display: block;
  border: 3px solid rgba(255, 255, 255, 0.85);
  border-radius: 28px;
  object-fit: cover;
  object-position: center top;
  box-shadow: 0 16px 32px rgba(19, 31, 27, 0.16);
}

.sidebar-name {
  margin-bottom: 10px;
  font-size: 1.9rem;
  font-weight: 700;
}

.sidebar-meta {
  margin: 0;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.45;
}

.profile-links {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.profile-links a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.25;
}

.profile-links a:hover {
  color: var(--accent);
  text-decoration: none;
}

.profile-link-icon {
  width: 22px;
  min-width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  color: #111827;
  font-size: 1.08rem;
  line-height: 1;
}

.linkedin-icon {
  color: #0a66c2;
}

.profile-links::after {
  content: "";
  display: block;
  height: 1px;
  margin-top: 8px;
  background: var(--line);
}

.section-nav a {
  transition: transform 140ms ease, background-color 140ms ease;
}

.section-nav {
  margin-top: 22px;
  width: calc(100% + 32px);
  margin-left: -16px;
  margin-right: -16px;
  display: grid;
  gap: 8px;
}

.section-nav a {
  padding: 10px 18px;
  border-radius: 12px;
  color: #000000;
  font-size: 1.16rem;
  font-weight: 700;
}

.section-nav a:hover {
  text-decoration: none;
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.content {
  min-width: 0;
}

.hero,
.section {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--panel-strong);
  box-shadow: var(--shadow);
}

.section + .section,
.hero + .section {
  margin-top: 28px;
}

.hero {
  padding-top: 42px;
  padding-bottom: 42px;
}

.hero p + p {
  margin-top: 18px;
}

#about p {
  font-size: 1.18rem;
}

.section-heading {
  margin-bottom: 20px;
}

.section-heading h2,
.content h2 {
  font-size: 2.3rem;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline article {
  padding: 16px 18px;
  border-left: 3px solid var(--accent);
  border-radius: 0 16px 16px 0;
  background: #ffffff;
}

.timeline-date {
  margin-bottom: 4px;
  font-weight: 700;
}

.news-list {
  margin: 0;
  padding-left: 20px;
  list-style: disc;
}

.news-list li {
  margin: 0 0 8px;
  font-size: 1.12rem;
}

.news-date {
  display: inline-block;
  min-width: 78px;
  font-weight: 700;
}

.news-toggle {
  margin-top: 10px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-size: 1.08rem;
  cursor: pointer;
}

.news-toggle:hover {
  text-decoration: underline;
}

.card-grid,
.project-grid {
  display: grid;
  gap: 18px;
}

.card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.paper-card,
.project-card,
.contact-card,
.callout {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #ffffff;
}

.paper-card.featured {
  background: #ffffff;
  color: var(--text);
}

.paper-card.featured a,
.paper-card.featured .paper-meta,
.paper-card.featured .paper-year {
  color: var(--accent);
}

.paper-year,
.project-type {
  color: var(--accent);
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.paper-card h3,
.project-card h3,
.callout h3 {
  margin-top: 10px;
  font-size: 1.3rem;
}

.paper-meta {
  margin-top: 8px;
  color: var(--muted);
  font-weight: 600;
}

.paper-card p:last-child,
.project-card p,
.callout p {
  margin-top: 10px;
  color: inherit;
}

.publication-list {
  display: grid;
  gap: 44px;
}

.publication-year-group {
  display: grid;
  gap: 22px;
}

.publication-list .publication-year-group {
  position: relative;
  grid-template-columns: 92px minmax(0, 1fr);
  column-gap: 18px;
}

.publication-list .publication-year-group + .publication-year-group {
  padding-top: 30px;
  border-top: 2px solid rgba(29, 42, 36, 0.1);
}

.publication-list .publication-year-group::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 4px;
  left: 45px;
  width: 2px;
  background: rgba(47, 99, 214, 0.16);
}

.publication-year-heading {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  color: #5f7190;
  font-size: 1.6rem;
  font-weight: 700;
  text-align: left;
}

.publication-list .publication-year-heading {
  position: relative;
  z-index: 1;
  width: 92px;
  padding: 7px 0;
  align-self: start;
  border: 1px solid rgba(47, 99, 214, 0.22);
  border-radius: 999px;
  background: #ffffff;
  color: var(--accent);
  font-size: 0.96rem;
  font-weight: 800;
  text-align: center;
}

.publication-list .publication-entry {
  grid-column: 2;
}

.publication-entry {
  display: grid;
  grid-template-columns: 440px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.publication-figure {
  width: 100%;
}

.publication-image,
.publication-placeholder {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  border: 0;
  border-radius: 0;
  background: #ffffff;
  object-fit: contain;
}

.publication-placeholder {
  position: relative;
  background:
    linear-gradient(135deg, rgba(14, 107, 87, 0.08), rgba(14, 107, 87, 0.02)),
    repeating-linear-gradient(
      -45deg,
      rgba(14, 107, 87, 0.04),
      rgba(14, 107, 87, 0.04) 10px,
      rgba(255, 255, 255, 0.72) 10px,
      rgba(255, 255, 255, 0.72) 20px
    );
}

.publication-placeholder::after {
  content: "Placeholder";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: rgba(29, 42, 36, 0.42);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.publication-copy h4 {
  margin: 0;
  font-size: 1.14rem;
  font-weight: 700;
  line-height: 1.3;
}

.publication-copy h4 a {
  color: var(--accent);
  text-decoration: underline;
}

.publication-copy p + p {
  margin-top: 14px;
}

.publication-authors {
  font-size: 0.98rem;
}

.publication-venue {
  font-size: 0.98rem;
}

.publication-note {
  color: #d32020;
}

.publication-links {
  font-size: 0.96rem;
}

.publication-links a {
  color: var(--accent);
  text-decoration: underline;
}

.publication-keywords {
  color: #8a2be2;
  font-size: 0.96rem;
}

.thrust-stack {
  display: grid;
  gap: 22px;
}

.thrust-group {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #ffffff;
}

.thrust-header {
  margin-bottom: 16px;
}

.thrust-header h3 {
  margin-top: 6px;
  font-size: 1.9rem;
}

.thrust-title {
  margin: 0;
  color: var(--accent);
  font-size: 1.28rem;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.35;
  text-transform: none;
}

.thrust-description {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 1.04rem;
}

.thrust-publications {
  margin: 0;
  padding-left: 20px;
  list-style: disc;
}

.thrust-publications li {
  margin-bottom: 8px;
  font-size: 1rem;
  line-height: 1.55;
}

.thrust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, 288px);
  gap: 16px;
  justify-content: start;
}

.project-card {
  color: var(--accent);
  text-decoration: none;
}

.highlight-project {
  width: 288px;
  min-height: 240px;
  padding: 8px;
  overflow: hidden;
  display: grid;
  grid-template-rows: 138px 1fr;
  border-radius: 8px;
  border: 1px solid #d5dadd;
  background: #f5f6f7;
  box-shadow: none;
  transition: transform 140ms ease, border-color 140ms ease, background-color 140ms ease;
}

.highlight-project:hover {
  text-decoration: none;
  transform: translateY(-1px);
  border-color: #c3c9ce;
  background: #f8f9fa;
}

.highlight-project-image {
  display: block;
  width: 100%;
  height: 138px;
  object-fit: cover;
  background: #ffffff;
  border: 1px solid #dfe4e7;
  border-radius: 4px;
}

.placeholder-visual {
  position: relative;
  background:
    linear-gradient(135deg, rgba(14, 107, 87, 0.08), rgba(14, 107, 87, 0.02)),
    repeating-linear-gradient(
      -45deg,
      rgba(14, 107, 87, 0.04),
      rgba(14, 107, 87, 0.04) 10px,
      rgba(255, 255, 255, 0.7) 10px,
      rgba(255, 255, 255, 0.7) 20px
    );
}

.placeholder-visual::after {
  content: "Placeholder";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: rgba(29, 42, 36, 0.38);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.highlight-project-body {
  padding: 10px 6px 4px;
}

.highlight-project h3 {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.highlight-project-meta {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  color: rgba(29, 42, 36, 0.62);
  font-size: 0.88rem;
  line-height: 1.2;
}

.meta-badge {
  padding: 3px 7px;
  border: 1px solid #d2d7db;
  border-radius: 4px;
  background: #eceff1;
  color: rgba(29, 42, 36, 0.8);
  font-weight: 500;
  white-space: nowrap;
}

.meta-detail {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 20px;
}

.simple-list {
  margin: 0;
  padding-left: 18px;
}

.simple-list li + li {
  margin-top: 8px;
}

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

.service-group {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #ffffff;
}

.service-heading {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 1.28rem;
  font-weight: 800;
  line-height: 1.35;
}

.service-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid rgba(29, 42, 36, 0.08);
}

.service-row:last-child {
  border-bottom: 0;
}

.service-name {
  font-size: 1.05rem;
  font-weight: 800;
}

.service-year {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
}

.student-list {
  display: grid;
  gap: 30px;
}

.student-group {
  display: grid;
  gap: 22px;
}

.student-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.student-card {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #ffffff;
}

.student-photo {
  display: block;
  width: 110px;
  height: 110px;
  border-radius: 22px;
  object-fit: cover;
  object-position: center top;
}

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

.student-copy h4 {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.25;
}

.student-copy p {
  margin-top: 8px;
  font-size: 0.95rem;
  line-height: 1.45;
}

.student-role {
  color: var(--muted);
  font-weight: 600;
}

.student-detail-list {
  margin: 10px 0 0;
  padding-left: 18px;
  list-style: disc;
}

.student-detail-list li {
  margin-bottom: 6px;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.42;
}

.student-detail-list strong {
  font-weight: 800;
}

.award-timeline {
  position: relative;
  display: grid;
  gap: 18px;
}

.award-timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 46px;
  width: 2px;
  background: rgba(47, 99, 214, 0.16);
}

.award-milestone {
  position: relative;
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.award-year-badge {
  position: relative;
  z-index: 1;
  width: 92px;
  padding: 7px 0;
  border: 1px solid rgba(47, 99, 214, 0.22);
  border-radius: 999px;
  background: #ffffff;
  color: var(--accent);
  font-size: 0.96rem;
  font-weight: 800;
  text-align: center;
}

.award-milestone-card {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #ffffff;
}

.award-milestone-card h3 {
  margin: 0;
  color: var(--text);
  font-size: 1.14rem;
  font-weight: 800;
  line-height: 1.3;
}

.award-item-list {
  margin: 0;
  padding-left: 20px;
  list-style: disc;
}

.award-item-list li {
  margin-bottom: 6px;
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.45;
}

.award-item-list strong {
  font-weight: 800;
}

.course-list {
  display: grid;
  gap: 30px;
}

.course-year-group {
  display: grid;
  gap: 22px;
}

.course-entry {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.course-entry-compact {
  min-height: 0;
}

.course-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.25;
}

.course-figure {
  width: 100%;
}

.course-figure-empty {
  min-height: 1px;
}

.course-image {
  display: block;
  width: 100%;
  height: auto;
  background: #ffffff;
}

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

.course-meta {
  margin-top: 8px;
  color: var(--muted);
  font-size: 1rem;
}

.course-description {
  margin-top: 10px;
  max-width: 760px;
  color: var(--text);
  font-size: 0.96rem;
  line-height: 1.45;
}

@media (max-width: 1024px) {
  .page-shell {
    width: min(960px, calc(100vw - 32px));
    grid-template-columns: 1fr;
  }

  .sidebar-card {
    position: static;
  }

  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .publication-entry {
    grid-template-columns: 380px minmax(0, 1fr);
  }

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

  .course-entry {
    grid-template-columns: 320px minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: calc(100vw - 20px);
    padding-top: 10px;
    padding-bottom: 28px;
    gap: 18px;
  }

  .hero,
  .section,
  .sidebar-card {
    padding: 22px;
    border-radius: 22px;
  }

  .card-grid,
  .project-grid,
  .split-section {
    grid-template-columns: 1fr;
  }

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

  .publication-list {
    gap: 28px;
  }

  .publication-list .publication-year-group {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-left: 0;
  }

  .publication-list .publication-year-group::before {
    display: none;
  }

  .publication-list .publication-year-heading {
    width: fit-content;
    min-width: 112px;
    padding: 7px 18px;
  }

  .publication-list .publication-entry {
    grid-column: 1;
  }

  .course-entry {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .course-figure-empty {
    display: none;
  }

  .student-card {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 14px;
    padding: 14px;
  }

  .student-photo {
    width: 88px;
    height: 88px;
    border-radius: 18px;
  }

  .award-timeline::before {
    left: 34px;
  }

  .award-milestone {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 12px;
  }

  .award-year-badge {
    width: 68px;
    font-size: 0.88rem;
  }

  .publication-image,
  .publication-placeholder {
    height: auto;
    aspect-ratio: 2 / 1;
  }

  .thrust-group {
    padding: 18px;
  }

  .thrust-grid {
    grid-template-columns: 288px;
    justify-content: center;
  }
}