:root {
  color-scheme: light;
  --bg: #f4f6f4;
  --paper: #ffffff;
  --ink: #181714;
  --muted: #66655f;
  --line: #d5ddd7;
  --accent: #9f352a;
  --accent-ink: #ffffff;
  --warm: #9f352a;
  --max: 1180px;
  --title-card: 20px;
  --text-card: 16px;
  --leading-card: 1.5;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.58;
}

a {
  color: inherit;
  text-decoration-color: color-mix(in srgb, var(--accent) 42%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

em {
  color: inherit;
  font-style: italic;
}

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

.menu {
  display: inline-block;
  margin-bottom: 32px;
  position: relative;
}

.menu summary {
  align-items: center;
  cursor: pointer;
  display: grid;
  gap: 5px;
  height: 34px;
  justify-items: start;
  list-style: none;
  padding: 5px 0;
  width: 34px;
}

.menu summary::-webkit-details-marker {
  display: none;
}

.menu summary span {
  background: var(--ink);
  display: block;
  height: 2px;
  width: 22px;
}

.nav {
  background: var(--paper);
  box-shadow: 0 18px 45px rgba(27, 26, 22, 0.12);
  color: var(--muted);
  display: grid;
  font-size: 14px;
  gap: 10px;
  min-width: 170px;
  padding: 16px 18px;
  position: absolute;
  left: 0;
  top: 44px;
  z-index: 10;
}

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

.nav a:hover {
  color: var(--ink);
}

.hero {
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
  margin: 0 auto;
  max-width: var(--max);
  min-height: 100svh;
  padding: 78px 28px 76px;
  place-items: center;
}

.hero-copy {
  max-width: 820px;
}

.eyebrow,
.section-kicker,
.feature-card span {
  color: var(--warm);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 18px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 540;
  letter-spacing: 0;
  line-height: 1.02;
  margin-bottom: 26px;
}

h2 {
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: clamp(32px, 4.2vw, 58px);
  font-weight: 520;
  letter-spacing: 0;
  line-height: 1.03;
  margin-bottom: 0;
}

h3 {
  font-size: var(--title-card);
  font-weight: 720;
  line-height: 1.22;
  margin-bottom: 10px;
}

.intro {
  color: var(--muted);
  font-size: clamp(20px, 2vw, 25px);
  margin-bottom: 0;
  max-width: 690px;
}

.hero-traces {
  border-left: 3px solid var(--accent);
  color: var(--ink);
  display: grid;
  font-size: 14px;
  gap: 8px;
  font-weight: 650;
  margin: 22px 0 0;
  max-width: 660px;
  padding-left: 18px;
}

.hero-traces p {
  margin-bottom: 0;
}

.hero-traces span {
  color: var(--accent);
  display: inline-block;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.08em;
  margin-right: 7px;
  text-transform: uppercase;
}

.hero-traces a {
  color: inherit;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  display: inline-flex;
  font-size: 15px;
  font-weight: 700;
  min-height: 46px;
  padding: 11px 18px;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.portrait {
  margin: 0;
  width: min(100%, 390px);
}

.portrait img {
  aspect-ratio: 4 / 5;
  border-radius: 6px;
  box-shadow: 0 22px 70px rgba(27, 26, 22, 0.16);
  object-fit: cover;
}

.statement {
  background: var(--ink);
  color: var(--paper);
  padding: 80px 28px;
}

.statement p {
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.12;
  margin: 0 auto;
  max-width: var(--max);
}

.split-section,
.list-section,
.media-section,
.availability-section,
.timeline-section,
.institution-section {
  margin: 0 auto;
  max-width: var(--max);
  padding: 96px 28px;
}

.split-section {
  display: grid;
  gap: 64px;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
}

.availability-section {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  padding-bottom: 78px;
  padding-top: 72px;
}

.availability-section > p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
  margin-bottom: 0;
}

.split-section.compact {
  padding-top: 42px;
}

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

.stack article {
  border-bottom: 1px solid var(--line);
  padding: 26px 0;
}

.stack p,
.feature-card p,
.site-footer p {
  color: var(--muted);
  font-size: var(--text-card);
  line-height: var(--leading-card);
  margin-bottom: 0;
}

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

.feature-card {
  background: var(--paper);
  min-height: 260px;
  padding: 28px;
}

.feature-card h2 {
  font-family: inherit;
  font-size: var(--title-card);
  font-weight: 720;
  line-height: 1.2;
  margin-bottom: 14px;
}

.feature-card a,
.stack a,
.timeline-list a,
.institution-grid a {
  text-decoration-thickness: 1px;
}

.timeline-section {
  border-top: 1px solid var(--line);
  padding-bottom: 72px;
}

.timeline-list {
  margin: 0;
}

.timeline-item {
  text-decoration: none;
}

.timeline-item span {
  white-space: nowrap;
}

.timeline-item em {
  line-height: var(--leading-card);
}

.institution-section {
  border-top: 1px solid var(--line);
  padding-bottom: 46px;
}

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

.company-grid {
  margin-top: 1px;
}

.cluster-label {
  color: var(--accent);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.08em;
  margin: 34px 0 12px;
  text-transform: uppercase;
}

.institution-card {
  background: var(--paper);
  display: grid;
  gap: 10px;
  min-height: 150px;
  padding: 24px;
}

.institution-grid span {
  color: var(--ink);
  font-size: var(--title-card);
  font-weight: 720;
  line-height: 1.2;
}

.institution-card strong {
  color: var(--muted);
  font-size: var(--text-card);
  font-weight: 400;
  line-height: var(--leading-card);
}

.institution-card a {
  font-weight: inherit;
}

.media-section {
  border-top: 1px solid var(--line);
  padding-bottom: 60px;
}

.media-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.media-card {
  background: var(--paper);
  display: grid;
  gap: 12px;
  min-height: 100%;
  padding: 12px 12px 24px;
  text-decoration: none;
}

.media-card img {
  aspect-ratio: 16 / 10;
  background: var(--line);
  border-radius: 4px;
  height: auto;
  object-fit: cover;
  width: 100%;
}

.media-card span {
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.25;
  padding: 4px 12px 0;
  text-transform: uppercase;
}

.media-card strong {
  color: var(--ink);
  font-size: 20px;
  line-height: 1.18;
  padding: 0 12px;
}

.media-card p {
  color: var(--muted);
  font-size: var(--text-card);
  line-height: var(--leading-card);
  margin-bottom: 0;
  padding: 0 12px;
}

.section-heading {
  margin-bottom: 38px;
  max-width: 720px;
}

.publication-list {
  border-top: 1px solid var(--line);
  list-style: none;
  margin: 0;
  padding: 0;
}

.publication-list li {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 0.36fr);
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.publication-list a {
  color: var(--ink);
  font-style: italic;
  font-size: 20px;
  font-weight: 620;
  text-decoration: none;
}

.publication-list span {
  color: var(--muted);
  font-style: italic;
}

.course-list {
  display: grid;
  gap: 1px;
}

.course-item {
  align-items: baseline;
  background: var(--paper);
  display: grid;
  gap: 12px;
  grid-template-columns: 92px minmax(0, 1fr);
  padding: 20px 24px;
  text-decoration: none;
}

.course-item span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.course-item strong {
  color: var(--ink);
  font-size: var(--title-card);
  font-weight: 720;
  line-height: 1.2;
}

.course-item em {
  color: var(--muted);
  font-size: 15px;
  font-style: italic;
  grid-column: 2;
  margin-top: -8px;
}

.site-footer {
  background: var(--paper);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.65fr);
  margin: 0 auto;
  max-width: none;
  padding: 54px max(28px, calc((100vw - var(--max)) / 2 + 28px));
}

.site-footer h2 {
  font-size: 34px;
  margin-bottom: 8px;
}

.footer-links {
  align-content: start;
  display: grid;
  gap: 10px;
}

@media (max-width: 820px) {
  body {
    font-size: 16px;
  }

  .hero,
  .split-section,
  .availability-section,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 58px;
  }

  .portrait {
    justify-self: start;
    width: min(82vw, 340px);
  }

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

  .publication-list li {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 560px) {
  .hero,
  .split-section,
  .list-section,
  .media-section,
  .availability-section,
  .timeline-section,
  .institution-section {
    padding-left: 20px;
    padding-right: 20px;
  }

  h1 {
    font-size: 44px;
  }

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

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

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

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

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .course-item em,
  .timeline-item em {
    grid-column: auto;
    margin-top: -6px;
  }

  .statement {
    padding-left: 20px;
    padding-right: 20px;
  }
}