:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --surface-soft: #f0f6f6;
  --ink: #172026;
  --muted: #5b6770;
  --line: #d9e2e7;
  --brand: #9b004f;
  --brand-dark: #640038;
  --teal: #006d72;
  --amber: #a85e13;
  --shadow: 0 18px 45px rgba(23, 32, 38, 0.09);
  --radius: 8px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
}

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

a {
  color: var(--brand);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

:focus-visible {
  outline: 3px solid rgba(0, 109, 114, 0.36);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.75rem;
  z-index: 10;
  transform: translateY(-150%);
  background: var(--ink);
  color: #fff;
  padding: 0.6rem 0.9rem;
  border-radius: 6px;
}

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

.site-header {
  background: rgba(255, 255, 255, 0.94);
  border-top: 5px solid var(--brand);
  border-bottom: 1px solid var(--line);
}

.header-inner,
.section,
.footer-inner {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.45rem;
  height: 2.45rem;
  flex: 0 0 auto;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
}

.brand-text {
  display: grid;
  gap: 0.05rem;
  line-height: 1.2;
}

.brand-name {
  font-weight: 800;
}

.brand-affiliation {
  color: var(--muted);
  font-size: 0.88rem;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.site-nav a {
  border-radius: 6px;
  color: var(--ink);
  font-weight: 650;
  padding: 0.45rem 0.68rem;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  background: var(--surface-soft);
  color: var(--teal);
}

.site-nav .language-link {
  border: 1px solid var(--line);
  color: var(--brand);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  padding-top: clamp(2.5rem, 6vw, 4.75rem);
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

.eyebrow {
  color: var(--teal);
  font-size: 0.84rem;
  font-weight: 800;
  margin: 0 0 0.8rem;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.15;
  margin: 0;
}

h1 {
  font-size: clamp(2.4rem, 7vw, 5.6rem);
  max-width: 10ch;
}

h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.45rem);
}

h3 {
  font-size: 1.18rem;
}

.lead {
  color: #2b343b;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  max-width: 62ch;
  margin: 1.35rem 0 0;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.7rem;
}

.button {
  align-items: center;
  background: var(--brand);
  border: 1px solid var(--brand);
  border-radius: 6px;
  color: #fff;
  display: inline-flex;
  font-weight: 750;
  gap: 0.45rem;
  min-height: 2.75rem;
  padding: 0.62rem 1rem;
  text-decoration: none;
}

.button:hover,
.button:focus-visible {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
  color: #fff;
}

.button.secondary {
  background: transparent;
  color: var(--brand);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  background: #fff;
  color: var(--brand-dark);
}

.portrait-panel {
  margin: 0;
}

.portrait-panel img {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  object-fit: cover;
  width: 100%;
}

.portrait-panel figcaption {
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 0.75rem;
}

.section {
  padding: clamp(2rem, 5vw, 4rem) 0;
}

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

.section-header {
  align-items: end;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: minmax(0, 0.9fr) minmax(240px, 0.6fr);
  margin-bottom: 1.6rem;
}

.section-header p {
  color: var(--muted);
  margin: 0;
}

.feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem;
}

.feature p,
.course-panel p,
.notice p,
.thesis-item p,
.contact-list p {
  margin: 0.65rem 0 0;
}

.feature-tag,
.meta {
  color: var(--amber);
  display: block;
  font-size: 0.82rem;
  font-weight: 800;
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}

.two-column {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.5fr);
}

.prose {
  max-width: 76ch;
}

.prose p {
  margin: 1rem 0 0;
}

.prose ul {
  padding-left: 1.2rem;
}

.fact-list,
.course-facts {
  display: grid;
  gap: 0.8rem;
  margin: 0;
}

.fact-list div,
.course-facts div {
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
}

.fact-list dt,
.course-facts dt {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
}

.fact-list dd,
.course-facts dd {
  margin: 0.2rem 0 0;
}

.contact-panel,
.notice,
.course-panel,
.thesis-item,
.surname-note {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1rem, 2.2vw, 1.35rem);
}

.contact-panel {
  align-self: start;
  border-top: 4px solid var(--teal);
}

.notice {
  background: #fff8ed;
  border-color: #ead3ad;
  margin-bottom: 1.4rem;
}

.notice strong {
  color: #6f3b05;
}

.course-panel {
  margin-top: 1.25rem;
}

.course-panel h3 {
  color: var(--brand-dark);
}

.course-facts {
  margin-top: 1.2rem;
}

.thesis-grid {
  display: grid;
  gap: 1rem;
}

.course-grid,
.research-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.thesis-item {
  border-left: 4px solid var(--teal);
}

.thesis-item ul {
  margin-bottom: 0;
}

.status-pill {
  background: var(--surface-soft);
  border-radius: 999px;
  color: var(--teal);
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 800;
  margin-bottom: 0.7rem;
  padding: 0.28rem 0.65rem;
}

.compact-page {
  min-height: 52vh;
}

.source-note {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 1rem;
}

.archive-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-top: 1rem;
  padding: 1rem 1.1rem;
}

.archive-panel summary {
  cursor: pointer;
  font-weight: 800;
}

.site-footer {
  background: var(--ink);
  color: #e7eef2;
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.5rem;
  justify-content: space-between;
  padding: 1.5rem 0;
}

.site-footer a {
  color: #fff;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 860px) {
  .header-inner,
  .hero,
  .section-header,
  .two-column {
    grid-template-columns: 1fr;
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 2rem;
  }

  h1 {
    max-width: 12ch;
  }

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

  .course-grid,
  .research-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .header-inner,
  .section,
  .footer-inner {
    width: min(100% - 1.2rem, var(--max-width));
  }

  .brand {
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
  }

  .site-nav a {
    padding: 0.42rem 0.55rem;
  }

  .button {
    justify-content: center;
    width: 100%;
  }
}

@media print {
  .site-nav,
  .skip-link,
  .button-row,
  .hero-actions {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  .site-header,
  .site-footer,
  .feature,
  .contact-panel,
  .notice,
  .course-panel,
  .thesis-item {
    box-shadow: none;
  }
}