:root {
  --bg: #efe6d6;
  --bg-deep: #d9c8ad;
  --paper: rgba(251, 248, 242, 0.92);
  --paper-strong: #fffdf8;
  --ink: #1f2b24;
  --muted: #5d665f;
  --accent: #8f4f2b;
  --accent-soft: #c98c5a;
  --line: rgba(31, 43, 36, 0.14);
  --shadow: 0 18px 60px rgba(42, 30, 18, 0.14);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --shell: min(1120px, calc(100vw - 32px));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Palatino Linotype", "Book Antiqua", serif;
  line-height: 1.65;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.62), transparent 34%),
    radial-gradient(circle at top right, rgba(143, 79, 43, 0.16), transparent 28%),
    linear-gradient(180deg, #f5eddf 0%, #ebdcc7 44%, #dfceb5 100%);
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

.page-backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.3), transparent 36%),
    linear-gradient(300deg, rgba(201, 140, 90, 0.12), transparent 34%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(245, 238, 226, 0.86);
  border-bottom: 1px solid rgba(31, 43, 36, 0.08);
}

.site-header__inner,
.page-shell,
.site-footer__inner {
  width: var(--shell);
  margin: 0 auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  text-decoration: none;
}

.brand__eyebrow,
.section-tag,
.hero__eyebrow,
.timeline-card__year,
.milestone-item__label {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.74rem;
}

.brand__eyebrow,
.section-tag,
.hero__eyebrow {
  color: var(--accent);
}

.brand__title {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 700;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.site-nav__link,
.button-link,
.text-link,
.link-card {
  transition: transform 180ms ease, color 180ms ease, background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.site-nav__link {
  padding: 10px 14px;
  text-decoration: none;
  border-radius: 999px;
  color: var(--muted);
}

.site-nav__link:hover,
.site-nav__link:focus-visible,
.site-nav__link.is-active {
  color: var(--ink);
  background: rgba(143, 79, 43, 0.12);
}

.nav-toggle {
  display: none;
  border: 1px solid rgba(31, 43, 36, 0.16);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
}

.hero {
  position: relative;
  width: var(--shell);
  min-height: clamp(320px, 50vw, 480px);
  margin: 22px auto 0;
  border-radius: calc(var(--radius-lg) + 8px);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero--immersive {
  isolation: isolate;
}

.hero__media,
.hero__media img,
.hero__overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__media img {
  object-fit: cover;
  object-position: center center;
  transform: scale(1.01);
}

.hero-image--landscape {
  object-position: center 42%;
}

.hero-image--band {
  object-position: center center;
}

.hero__overlay {
  background:
    linear-gradient(90deg, rgba(22, 29, 25, 0.78) 0%, rgba(22, 29, 25, 0.5) 34%, rgba(22, 29, 25, 0.22) 100%),
    linear-gradient(180deg, transparent 0%, rgba(22, 29, 25, 0.22) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  padding: clamp(28px, 6vw, 58px);
  color: #f7f2ea;
  text-wrap: balance;
}

.hero h1 {
  margin: 10px 0 18px;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 0.98;
}

.hero__lead {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(1rem, 1.8vw, 1.18rem);
}

.page-shell {
  padding: 28px 0 56px;
}

.page-shell > section + section {
  margin-top: 22px;
}

.panel,
.link-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.panel {
  padding: clamp(22px, 4vw, 34px);
  position: relative;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 140, 90, 0.36), transparent);
}

.panel--accent {
  background:
    linear-gradient(160deg, rgba(143, 79, 43, 0.94), rgba(103, 53, 30, 0.96)),
    var(--paper);
  color: #fff6ee;
}

.panel--accent .section-tag {
  color: rgba(255, 237, 221, 0.82);
}

.panel--prose p,
.legal-section p,
.publication-item p,
.timeline-card p,
.link-card p {
  margin: 0;
}

.panel--prose > * + *,
.legal-section > * + *,
.book-grid,
.link-grid,
.milestone-list,
.syllabus-list,
.publication-list,
.timeline-grid,
.fact-list,
.stats-grid,
.grid,
.legal-grid {
  margin-top: 18px;
}

.grid,
.stats-grid,
.legal-grid,
.book-grid,
.link-grid,
.timeline-grid {
  display: grid;
  gap: 20px;
}

.grid--home,
.grid--lecture,
.grid--about {
  grid-template-columns: 1.25fr 0.95fr;
}

.grid--highlights {
  grid-template-columns: 0.95fr 1.25fr;
}

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

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

.link-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.panel--profile {
  display: grid;
  gap: 22px;
  align-items: start;
}

.profile-image,
.lecture-image,
.book-card img {
  border-radius: calc(var(--radius-md) + 2px);
}

.profile-image,
.lecture-image {
  width: 100%;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(241, 228, 207, 0.82));
  padding: 10px;
  border: 1px solid rgba(31, 43, 36, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.signature {
  font-style: italic;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.section-heading h2,
.panel h2,
.panel h3,
.link-card h3,
.timeline-card h2,
.legal-section h2 {
  margin: 0;
  line-height: 1.15;
  text-wrap: balance;
}

.section-heading--stack {
  align-items: start;
}

.button-link,
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  text-decoration: none;
}

.button-link {
  width: fit-content;
  margin-top: 18px;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.button-link:hover,
.button-link:focus-visible,
.text-link:hover,
.text-link:focus-visible,
.link-card:hover,
.link-card:focus-visible {
  transform: translateY(-2px);
}

.text-link {
  color: var(--accent);
}

.book-card,
.publication-item,
.timeline-card,
.stat-card,
.link-card {
  display: grid;
  gap: 16px;
}

.book-card {
  grid-template-columns: 124px 1fr;
  align-items: center;
  padding: 18px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-md);
}

.book-card img {
  width: 100%;
  max-height: 240px;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.85);
  padding: 8px;
}

.stat-card strong {
  font-size: clamp(1.5rem, 2vw, 2rem);
}

.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(143, 79, 43, 0.12);
  color: var(--accent);
}

.filter-field {
  display: grid;
  gap: 8px;
  min-width: min(320px, 100%);
  color: var(--muted);
}

.filter-field input {
  width: 100%;
  border: 1px solid rgba(31, 43, 36, 0.16);
  border-radius: 999px;
  padding: 14px 18px;
  font: inherit;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.8);
}

.filter-field input:focus {
  outline: 2px solid rgba(143, 79, 43, 0.24);
  outline-offset: 2px;
}

.timeline-card,
.link-card,
.publication-item {
  padding: 22px;
}

.timeline-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(250, 245, 238, 0.92));
}

.timeline-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.timeline-card__number,
.publication-item__number {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(143, 79, 43, 0.12);
  color: var(--accent);
  font-weight: 700;
}

.timeline-card__date {
  color: var(--accent);
  font-weight: 700;
}

.timeline-card__route,
.publication-item p,
.fact-row dd,
.site-footer p,
.empty-state {
  color: var(--muted);
}

.publication-list,
.milestone-list,
.syllabus-list {
  list-style: none;
  padding: 0;
}

.publication-item {
  grid-template-columns: 42px 1fr;
  align-items: start;
}

.milestone-item {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.milestone-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.fact-list {
  display: grid;
  gap: 14px;
  margin: 0;
}

.fact-row {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

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

.fact-row dt {
  font-weight: 700;
}

.syllabus-list {
  display: grid;
  gap: 12px;
  counter-reset: syllabus;
}

.syllabus-list li {
  position: relative;
  padding-left: 56px;
}

.syllabus-list li::before {
  counter-increment: syllabus;
  content: counter(syllabus, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
}

.link-card {
  text-decoration: none;
  min-height: 180px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(244, 236, 224, 0.92));
}

.link-card:hover,
.link-card:focus-visible {
  border-color: rgba(143, 79, 43, 0.22);
  box-shadow: 0 24px 65px rgba(42, 30, 18, 0.18);
}

.site-footer {
  padding: 0 0 36px;
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 0 0;
  border-top: 1px solid rgba(31, 43, 36, 0.12);
}

.site-footer a {
  text-decoration: none;
  color: var(--accent);
  font-weight: 700;
}

.hero--portrait {
  min-height: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
  align-items: stretch;
  background:
    linear-gradient(135deg, rgba(250, 242, 230, 0.98), rgba(233, 217, 191, 0.96));
}

.hero--portrait .hero__media,
.hero--portrait .hero__overlay {
  position: relative;
  inset: auto;
}

.hero--portrait .hero__media {
  order: 2;
  display: grid;
  place-items: center;
  padding: clamp(18px, 3vw, 32px);
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.85), transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.45), rgba(214, 194, 165, 0.56));
}

.hero--portrait .hero__media img {
  position: relative;
  inset: auto;
  width: min(100%, 360px);
  height: min(100%, 440px);
  object-fit: contain;
  object-position: center bottom;
  border-radius: calc(var(--radius-lg) + 6px);
  background: rgba(255, 255, 255, 0.78);
  padding: 14px;
  box-shadow: 0 30px 60px rgba(76, 47, 25, 0.18);
  transform: none;
}

.hero--portrait .hero__overlay {
  display: none;
}

.hero--portrait .hero__content {
  display: grid;
  align-content: center;
  color: var(--ink);
  max-width: none;
}

.hero--portrait .hero__eyebrow {
  color: var(--accent);
}

.hero--portrait .hero__lead {
  max-width: 46ch;
  color: var(--muted);
}

.empty-state {
  margin: 18px 0 0;
}

[hidden] {
  display: none !important;
}

@media (max-width: 980px) {
  .grid--home,
  .grid--lecture,
  .grid--about,
  .grid--highlights,
  .stats-grid,
  .legal-grid,
  .link-grid,
  .book-grid,
  .timeline-grid {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .site-footer__inner {
    flex-direction: column;
    align-items: start;
  }
}

@media (max-width: 760px) {
  .site-header__inner {
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    padding-top: 8px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav__link {
    width: 100%;
    background: rgba(255, 255, 255, 0.42);
  }

  .hero {
    min-height: 420px;
  }

  .hero__overlay {
    background:
      linear-gradient(180deg, rgba(22, 29, 25, 0.36) 0%, rgba(22, 29, 25, 0.84) 100%);
  }

  .hero__content {
    display: flex;
    flex-direction: column;
    justify-content: end;
    min-height: 100%;
  }

  .hero--portrait {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hero--portrait .hero__media {
    order: 0;
    padding-top: 18px;
  }

  .hero--portrait .hero__media img {
    width: min(100%, 280px);
    height: auto;
  }

  .hero--portrait .hero__content {
    min-height: auto;
    justify-content: start;
    color: var(--ink);
  }

  .book-card,
  .publication-item {
    grid-template-columns: 1fr;
  }
}