:root {
  --bg: #edf7f0;
  --bg-soft: rgba(248, 255, 250, 0.9);
  --surface: rgba(248, 255, 250, 0.76);
  --surface-strong: #f8fffa;
  --text: #173229;
  --muted: #5d796f;
  --line: rgba(23, 50, 41, 0.12);
  --link: #2f7f63;
  --accent: #5b9b7f;
  --max-width: 1020px;
  --shadow: 0 18px 40px rgba(28, 38, 32, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(149, 201, 170, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(210, 237, 219, 0.5), transparent 32%),
    linear-gradient(180deg, #f7fdf9 0%, #edf7f0 44%, #e3f1e8 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.24) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.3), transparent 72%);
  pointer-events: none;
  z-index: -1;
}

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

a:hover,
a:focus-visible {
  text-decoration: underline;
}

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

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 16px 0 40px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 20px;
  margin-bottom: 28px;
  border: 1px solid rgba(255, 255, 255, 0.64);
  border-radius: 999px;
  background: rgba(246, 255, 249, 0.72);
  backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px rgba(20, 45, 35, 0.08);
}

.brand {
  color: var(--text);
  font-size: 36px;
  font-family: "Segoe Script", "Lucida Handwriting", 
    "Apple Chancery", cursive;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.site-nav a {
  color: var(--text);
  font-size: 15px;
  font-family: "Arial Rounded MT Bold", "Helvetica Rounded", "SF Pro Rounded",
    "Nunito", Arial, Helvetica, sans-serif;
  font-weight: 600;
  letter-spacing: 0.01em;
}

main {
  display: grid;
  gap: 24px;
}

.hero-panel,
.section-block,
.page-header,
.year-block {
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 24px;
  background: var(--surface);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.hero-panel,
.page-header {
  padding: 28px;
}

.hero-panel {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.hero-photo-wrap {
  max-width: 240px;
}

.hero-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.7);
}

.hero-slogan {
  margin: 14px 0 0;
  color: var(--link);
  font-family: "Segoe Script", "Lucida Handwriting", "Apple Chancery", cursive;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.45;
  text-align: center;
}

.hero-slogan span {
  display: block;
}

.meta {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-title {
  margin: 0 0 8px;
  font-size: 36px;
  line-height: 1.2;
  color: var(--text);
}

.subtitle {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 20px;
}

.subtitle .subtitle-row {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 20px;
  align-items: baseline;
}

.subtitle .subtitle-row span {
  display: block;
}

.subtitle .subtitle-row span:first-child {
  white-space: nowrap;
}

.subtitle .subtitle-row span:last-child {
  white-space: nowrap;
}

.lede {
  margin: 0;
  max-width: 740px;
}

.hero-copy .lede {
  text-align: justify;
  text-justify: inter-word;
}

.lede + .lede {
  margin-top: 12px;
}

.lede-secondary {
  max-width: 760px;
}

.publications-note {
  margin-top: 10px;
}

.icon-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.icon-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--text);
  font-size: 14px;
}

.icon-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.section-block,
.year-block {
  padding: 24px 28px;
}

.section-block h2,
.page-header h2,
.year-block h2 {
  margin: 0 0 12px;
  font-size: 24px;
  line-height: 1.25;
}

.research-title {
  margin-bottom: 16px;
}

.research-title > span:not(.research-arrow) {
  color: var(--link);
  font-family: "Segoe Script", "Lucida Handwriting", "Apple Chancery", cursive;
  font-size: 1.22em;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.research-arrow {
  display: inline-flex;
  width: 58px;
  height: 16px;
  margin: 0 8px;
  color: var(--link);
  vertical-align: middle;
}

.research-arrow svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.section-heading-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.text-link {
  font-size: 14px;
}

.inline-icon-link {
  display: inline-flex;
  vertical-align: middle;
  margin-left: 6px;
  color: var(--link);
}

.inline-icon-link svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
}

.text-columns {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 24px;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.overview-card {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 20px;
  min-height: 170px;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.5);
}

.overview-icon {
  width: 34px;
  height: 34px;
  justify-self: center;
  margin-top: 4px;
  color: var(--link);
  fill: currentColor;
}

.overview-card h3 {
  margin: 0 0 6px;
  color: var(--text);
  font-size: 18px;
  line-height: 1.3;
}

.overview-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.overview-card li + li {
  margin-top: 2px;
}

.research-direction + .research-direction {
  margin-top: 22px;
}

.research-direction h3 {
  margin: 18px 0 8px;
  font-size: 20px;
  line-height: 1.3;
}

.simple-list,
.timeline-list,
.representative-list {
  margin: 12px 0 0;
  padding-left: 20px;
}

.timeline-list {
  padding-left: 0;
  list-style: none;
}

.timeline-list li {
  display: grid;
  grid-template-columns: 8px 74px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.simple-list li + li,
.timeline-list li + li,
.representative-list li + li {
  margin-top: 10px;
}

.timeline-date {
  display: grid;
  grid-template-columns: 28px 42px;
  gap: 4px;
  width: 100%;
  text-align: right;
  color: var(--accent);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.timeline-dot {
  width: 6px;
  height: 6px;
  margin-top: 0.62em;
  border-radius: 50%;
  background: var(--text);
}

.timeline-text {
  min-width: 0;
}

.news-highlight {
  font-weight: 700;
  color: var(--text);
}

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

.publication-list li + li {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.publication-title-row {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.publication-bullet {
  width: 6px;
  height: 6px;
  margin-top: 0.6em;
  border-radius: 50%;
  background: var(--text);
}

.publication-title {
  color: var(--text);
  font-weight: 700;
}

.publication-authors,
.publication-venue,
.publication-summary {
  margin-top: 4px;
  margin-left: 22px;
}

.publication-authors {
  color: var(--text);
}

.publication-venue {
  margin-top: 4px;
  color: var(--muted);
}

.resource-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
  margin-left: 22px;
}

.resource-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 34px;
  height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  transition: transform 0.18s ease, border-color 0.18s ease,
    background-color 0.18s ease;
}

.resource-link:hover,
.resource-link:focus-visible {
  text-decoration: none;
  transform: translateY(-1px);
  border-color: rgba(47, 127, 99, 0.35);
  background: rgba(255, 255, 255, 0.95);
}

.resource-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.resource-link span {
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
}

.scholar-link {
  margin-left: 8px;
  vertical-align: middle;
}

.publication-summary {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(31, 38, 35, 0.08);
  color: var(--muted);
  font-family: "Courier New", Courier, monospace;
  font-size: 14px;
}

.publication-type {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  vertical-align: middle;
}

.paper-link-icon {
  display: inline-flex;
  vertical-align: middle;
  margin-left: 6px;
  color: var(--link);
}

.paper-link-icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 24px;
}

.contact-grid strong {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 14px;
}

.cv-item {
  padding: 12px 0;
}

.cv-item + .cv-item {
  border-top: 1px solid var(--line);
}

.teaching-entry {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 18px;
  padding: 14px 0;
}

.teaching-entry + .teaching-entry {
  border-top: 1px solid var(--line);
}

.teaching-time {
  color: var(--muted);
  font-size: 14px;
}

.teaching-entry h3 {
  margin: 0 0 4px;
  font-size: 18px;
  line-height: 1.35;
}

.teaching-entry p {
  margin: 0;
}

.teaching-entry p + p {
  margin-top: 4px;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

.profile-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  table-layout: fixed;
}

.profile-table th,
.profile-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.profile-table th {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.profile-table tbody tr:last-child td {
  border-bottom: none;
}

.profile-table th:nth-child(1),
.profile-table td:nth-child(1) {
  width: 24%;
}

.profile-table th:nth-child(2),
.profile-table td:nth-child(2) {
  width: 18%;
}

.profile-table th:nth-child(3),
.profile-table td:nth-child(3) {
  width: 30%;
}

.profile-table th:nth-child(4),
.profile-table td:nth-child(4) {
  width: 28%;
}

.project-entry {
  padding: 14px 0;
}

.project-group-heading {
  margin-top: 8px;
}

.project-entry + .project-entry {
  border-top: 1px solid var(--line);
}

.project-entry > div {
  width: 100%;
}

.project-entry p {
  margin: 10px 0 0;
}

.project-entry ul {
  margin-top: 10px;
}

.project-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 130px 150px;
  align-items: baseline;
  gap: 10px;
  width: 100%;
}

.project-title-line {
  min-width: 0;
  color: var(--text);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
}

.project-role,
.project-time {
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
  text-align: left;
}

.project-role {
  margin-left: -120px;
}

.engagement-entry {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 18px;
  padding: 14px 0;
}

.engagement-entry + .engagement-entry {
  border-top: 1px solid var(--line);
}

.engagement-time {
  color: var(--muted);
  font-size: 14px;
}

.engagement-entry h3 {
  margin: 0 0 4px;
  font-size: 18px;
  line-height: 1.35;
}

.engagement-entry p {
  margin: 0;
}

.engagement-entry p + p {
  margin-top: 4px;
}

.mentor-name {
  display: inline-block;
  margin-bottom: 6px;
  color: var(--text);
  font-weight: 700;
}

.cv-meta {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 4px 0;
  color: var(--muted);
  font-size: 14px;
}

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

@media (max-width: 800px) {
  .hero-panel,
  .text-columns,
  .overview-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .overview-card {
    grid-template-columns: 52px minmax(0, 1fr);
    padding: 22px;
  }

  .subtitle .subtitle-row span:last-child {
    white-space: normal;
  }

  .subtitle .subtitle-row span:first-child {
    white-space: normal;
  }

  .hero-photo-wrap {
    max-width: 220px;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .site-header,
  .site-footer {
    display: block;
  }

  .site-nav {
    margin-top: 10px;
  }

  .hero-panel,
  .page-header,
  .section-block,
  .year-block {
    padding: 20px;
    border-radius: 20px;
  }

  .page-title {
    font-size: 30px;
  }

  .subtitle {
    font-size: 16px;
  }

  .teaching-entry {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .project-entry {
    gap: 6px;
  }

  .project-line {
    display: block;
  }

  .project-role,
  .project-time {
    margin-top: 10px;
    margin-right: 8px;
    font-size: 15px;
  }

  .engagement-entry {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}