:root {
  --ink: #172334;
  --ink-soft: #425064;
  --navy: #17385f;
  --blue: #2d67a2;
  --blue-soft: #e9f0f7;
  --terracotta: #c86642;
  --author-marker: #9d3d20;
  --paper: #fffefd;
  --canvas: #eef1f3;
  --line: #d9e0e6;
  --line-strong: #bcc9d4;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  min-width: 300px;
  background:
    radial-gradient(circle at 8% 4%, rgba(45, 103, 162, 0.12), transparent 28rem),
    radial-gradient(circle at 96% 92%, rgba(200, 102, 66, 0.08), transparent 24rem),
    var(--canvas);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.66;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: #caddef;
  color: var(--ink);
}

a {
  color: var(--blue);
  text-decoration-color: rgba(45, 103, 162, 0.35);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--navy);
  text-decoration-color: currentColor;
}

a:focus-visible {
  outline: 3px solid rgba(45, 103, 162, 0.34);
  outline-offset: 4px;
  border-radius: 3px;
}

.site-shell {
  width: min(calc(100% - 48px), var(--max-width));
  min-height: 100vh;
  margin: 0 auto;
  padding: 0 56px 48px;
  background: rgba(255, 254, 253, 0.96);
  box-shadow: 0 18px 70px rgba(23, 35, 52, 0.09);
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  margin: 0 -56px 58px;
  padding: 0 56px;
  border-bottom: 1px solid rgba(188, 201, 212, 0.74);
  background: rgba(255, 254, 253, 0.9);
  backdrop-filter: blur(16px);
}

.site-nav {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  font-family: var(--sans);
}

.site-brand {
  flex: 0 0 auto;
  color: var(--navy);
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-brand::before {
  display: inline-grid;
  width: 2rem;
  height: 2rem;
  margin-right: 0.62rem;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  place-items: center;
  color: var(--paper);
  background: var(--navy);
  content: "FZ";
  font-family: var(--sans);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  vertical-align: middle;
}

.site-brand:hover {
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-links a {
  padding: 0.45rem 0.66rem;
  border-radius: 4px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--navy);
  background: var(--blue-soft);
}

main {
  display: block;
}

h1,
h2,
h3 {
  color: var(--ink);
  line-height: 1.18;
  text-wrap: balance;
}

h1 {
  max-width: 850px;
  margin: 0 0 24px;
  color: var(--navy);
  font-size: clamp(2.65rem, 6.2vw, 4.6rem);
  font-weight: 400;
  letter-spacing: -0.045em;
}

h2 {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 70px 0 24px;
  color: var(--navy);
  font-family: var(--sans);
  font-size: 0.79rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h2::after {
  height: 1px;
  flex: 1;
  background: var(--line);
  content: "";
}

h3 {
  margin: 0 0 5px;
  font-size: 1.03rem;
  font-weight: 700;
}

p {
  margin: 10px 0;
}

sup {
  line-height: 0;
  font-size: 0.7em;
}

.eyebrow {
  margin: 0 0 15px;
  color: var(--terracotta);
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.profile {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: clamp(44px, 7vw, 78px);
  align-items: center;
  min-height: 430px;
  margin: 0;
  padding: 14px 0 25px;
}

.profile-photo-wrap {
  position: relative;
  padding: 8px;
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  background: #f2f4f6;
  box-shadow: 0 18px 48px rgba(23, 35, 52, 0.14);
}

.profile-photo {
  display: block;
  width: 100%;
  height: auto;
  border: 0;
  border-radius: 10px;
  filter: saturate(0.9) contrast(1.02);
}

.profile-details {
  padding-top: 0;
}

.profile-role {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: 1.25rem;
}

.affiliation,
.contact-line {
  margin: 3px 0;
  color: var(--ink-soft);
}

.profile-link-icons {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 9px;
}

.profile-link-icons a {
  display: inline-grid;
  width: 38px;
  height: 38px;
  border-radius: 4px;
  place-items: center;
  color: var(--blue);
  font-family: var(--sans);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  transition: color 150ms ease, background-color 150ms ease;
}

.profile-link-icons svg {
  width: 22px;
  height: 22px;
}

.profile-link-icons a:hover {
  color: var(--navy);
  background: var(--blue-soft);
}

.hero-summary {
  max-width: 600px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 1.03rem;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 25px;
  font-family: var(--sans);
}

.quick-links a {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 0.45rem 0.84rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--navy);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.025em;
  text-decoration: none;
}

.quick-links a:first-child {
  border-color: var(--navy);
  color: #fff;
  background: var(--navy);
}

.quick-links a:hover {
  border-color: var(--blue);
  transform: translateY(-1px);
}

.lead {
  max-width: 790px;
  margin: 0 0 34px;
  color: var(--ink-soft);
  font-size: clamp(1.08rem, 2.3vw, 1.28rem);
  line-height: 1.62;
}

.compact-lead {
  margin-bottom: 22px;
}

#about p {
  max-width: none;
  text-align: justify;
  text-justify: inter-word;
}

.advisor-link {
  color: var(--author-marker);
  font-weight: 700;
  text-decoration-color: rgba(157, 61, 32, 0.38);
  text-decoration-thickness: 1.5px;
}

.advisor-link:hover {
  color: var(--navy);
  text-decoration-color: currentColor;
}

.news-list,
.simple-list,
.research-paper-list {
  margin: 0;
  padding-left: 1.2rem;
}

.news-list li,
.simple-list li,
.research-paper-list li {
  margin: 10px 0;
  padding-left: 5px;
}

.news-list {
  display: grid;
  gap: 0;
  padding: 0;
  list-style: none;
}

.news-list li {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 20px;
  margin: 0;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.news-list li:first-child {
  border-top: 1px solid var(--line);
}

.news-date,
.timeline-date,
.record-date,
.year-badge {
  color: var(--blue);
  font-family: var(--sans);
  font-size: 0.77rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

.publication-item {
  position: relative;
  margin: 0;
  padding: 19px 0 19px 23px;
  border-bottom: 1px solid var(--line);
}

.publication-item:first-child {
  border-top: 1px solid var(--line);
}

.publication-item::before {
  position: absolute;
  top: 25px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--terracotta);
  content: "";
}

.paper-title,
.paper-authors,
.paper-venue,
.paper-links {
  display: block;
}

.paper-title {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.45;
}

.paper-title a {
  color: inherit;
}

.paper-authors {
  margin-top: 5px;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.paper-authors sup,
.compact-lead sup {
  margin-left: 0.08em;
  color: var(--author-marker);
  font-family: var(--sans);
  font-size: 0.84em;
  font-weight: 850;
  letter-spacing: 0.055em;
}

.paper-venue {
  margin-top: 2px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.paper-links {
  margin-top: 6px;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.paper-links a {
  margin-right: 14px;
}

.year-badge {
  display: block;
  margin-bottom: 4px;
}

.section-tail {
  margin-top: 20px;
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 650;
}

.section-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 32px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f7f9fb;
  font-family: var(--sans);
  font-size: 0.79rem;
}

.section-nav a {
  padding: 0.38rem 0.62rem;
  border-radius: 4px;
  text-decoration: none;
}

.section-nav a:hover {
  background: var(--blue-soft);
}

.research-theme {
  padding: 2px 0 8px;
}

.research-theme h2 {
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.35rem, 3.1vw, 1.8rem);
  font-weight: 400;
  letter-spacing: -0.015em;
  text-transform: none;
}

.research-main > .lead,
.research-theme p {
  max-width: none;
  color: var(--ink-soft);
  text-align: justify;
  text-justify: inter-word;
}

.research-paper-list {
  margin-top: 18px;
}

.research-paper-list li {
  margin-bottom: 13px;
}

.research-paper-list .paper-venue {
  margin-top: 1px;
  font-size: 0.88rem;
}

.timeline,
.record-list {
  border-top: 1px solid var(--line);
}

.timeline-entry,
.record {
  display: grid;
  grid-template-columns: 145px minmax(0, 1fr);
  gap: 26px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.record p {
  margin: 3px 0 0;
  color: var(--ink-soft);
}

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

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
}

.service-grid > div {
  padding: 24px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--navy);
  background: #fafbfc;
}

.service-grid h3 {
  margin-top: 0;
  color: var(--navy);
}

.awards-list .record {
  align-items: baseline;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 22px;
  margin-top: 72px;
  padding-top: 22px;
  border-top: 1px solid var(--line-strong);
  color: #697587;
  font-family: var(--sans);
  font-size: 0.71rem;
  letter-spacing: 0.035em;
}

.error-page {
  min-height: 48vh;
  padding-top: 50px;
}

.error-code {
  margin: 0 0 8px;
  color: var(--terracotta);
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 9px 13px;
  border-radius: 4px;
  color: #fff;
  background: var(--navy);
  font-family: var(--sans);
  font-size: 0.8rem;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

@media (max-width: 820px) {
  .site-shell {
    width: min(calc(100% - 24px), var(--max-width));
    padding-right: 30px;
    padding-left: 30px;
  }

  .site-header {
    margin-right: -30px;
    margin-bottom: 42px;
    margin-left: -30px;
    padding-right: 30px;
    padding-left: 30px;
  }

  .site-nav {
    min-height: 68px;
  }

  .site-brand {
    font-size: 0;
  }

  .site-brand::before {
    margin-right: 0;
  }

  .nav-links {
    max-width: calc(100vw - 104px);
    padding: 5px 0;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .profile {
    grid-template-columns: minmax(0, 1fr) 230px;
    gap: 40px;
  }

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

@media (max-width: 650px) {
  body {
    background: var(--paper);
    font-size: 16px;
  }

  .site-shell {
    width: 100%;
    padding-right: 22px;
    padding-bottom: 34px;
    padding-left: 22px;
    box-shadow: none;
  }

  .site-header {
    margin-right: -22px;
    margin-left: -22px;
    padding-right: 18px;
    padding-left: 18px;
  }

  h1 {
    font-size: clamp(2.55rem, 13vw, 3.6rem);
  }

  h2 {
    margin-top: 54px;
  }

  .profile {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-top: 0;
  }

  .profile-photo-wrap {
    width: min(250px, 75vw);
    margin: 10px auto 8px;
  }

  .quick-links a {
    min-height: 42px;
  }

  .news-list li,
  .timeline-entry,
  .record {
    grid-template-columns: 1fr;
    gap: 4px;
  }

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

  .service-grid > div {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

@media print {
  body {
    background: #fff;
    font-size: 11pt;
  }

  .site-nav,
  .site-footer,
  .skip-link,
  .quick-links,
  .section-nav {
    display: none !important;
  }

  .site-shell {
    width: 100%;
    padding: 0;
    box-shadow: none;
  }

  .site-header {
    display: none;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  h1,
  h2 {
    color: #000;
  }

  .publication-item,
  .record,
  .timeline-entry {
    break-inside: avoid;
  }
}