:root {
  --paper: #F7F3EA;
  --paper-deep: #EFE8D8;
  --ink: #1F1B16;
  --ink-soft: #4A4038;
  --husk: #8B5A2B;
  --leaf: #4A5D3A;
  --rule: #D9CFC0;
  --measure: 42rem;
  --measure-wide: 42rem;
}

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  font-size: 1.125rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.sans {
  font-family: 'IBM Plex Sans', -apple-system, Helvetica, Arial, sans-serif;
}

a { color: var(--husk); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--husk); outline-offset: 3px; }

/* ---------- Layout shells ---------- */

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.wrap-wide {
  max-width: var(--measure-wide);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section { padding: 5rem 0; }

.divider {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  max-width: 20rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  color: var(--husk);
  user-select: none;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.divider span {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  line-height: 1;
}

.divider-minor {
  text-align: center;
  color: var(--husk);
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  opacity: 0.55;
  margin: 2.5rem 0 0.6rem;
  user-select: none;
}

/* ---------- Hero ---------- */

.hero {
  padding: 6rem 0 5rem;
  text-align: center;
}

.hero .years {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  margin: 0 0 1.25rem;
}

.hero h1 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 600;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.08;
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}

.hero .subtitle {
  font-size: 1.25rem;
  color: var(--ink-soft);
  font-style: italic;
  max-width: 30rem;
  margin: 0 auto;
}

.hero-rule {
  width: 3rem;
  height: 2px;
  background: var(--husk);
  border: none;
  margin: 2.5rem auto 0;
}

.epigraph {
  text-align: center;
  padding: 3.5rem 1.5rem 4rem;
  border-top: 1px solid var(--rule);
}

.epigraph p {
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-style: italic;
  color: var(--ink-soft);
  max-width: 32rem;
  margin: 0 auto;
  line-height: 1.5;
}

/* ---------- Section headings ---------- */

.section-head {
  margin-bottom: 2.5rem;
}

.section-head h2 {
  font-size: clamp(1.7rem, 4vw, 2.2rem);
  font-weight: 600;
  margin: 0 0 0.4rem;
  line-height: 1.2;
}

.section-head .kicker {
  font-family: 'IBM Plex Sans', sans-serif;
  font-variant: small-caps;
  letter-spacing: 0.06em;
  color: var(--leaf);
  font-size: 0.95rem;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.glyph {
  width: 1.05em;
  height: 1.05em;
  flex: none;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Caption tag: a small icon + text used consistently to mark what kind
   of image this is — a spike for lecture/documentary material, a leaf
   for personal and family photographs. */
.img-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.img-tag .glyph { color: var(--husk); width: 0.9em; height: 0.9em; }
.img-tag.personal .glyph { color: var(--leaf); }

/* ---------- Personal photographs (hero / bio / tributes) ---------- */

.photo-personal {
  margin: 0 0 2rem;
  text-align: center;
}

.photo-personal img {
  max-width: 100%;
  height: auto;
  border-radius: 3px;
}

.photo-personal figcaption {
  margin-top: 0.6rem;
}

.hero .photo-personal {
  max-width: 22rem;
  margin: 2.5rem auto 0;
}

.bio-photo {
  max-width: 20rem;
  margin: 0 auto 2.5rem;
}

@media (min-width: 640px) {
  .bio-photo { float: right; margin: 0 0 1.5rem 2rem; }
}

/* ---------- Bio ---------- */

#bio p { margin: 0 0 1.3rem; }
#bio p:last-child { margin-bottom: 0; }

.placeholder {
  background: var(--paper-deep);
  border-left: 3px solid var(--husk);
  padding: 1.25rem 1.5rem;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
}

/* ---------- Medal section ---------- */

.medal-block {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  align-items: center;
}

.medal-block img {
  max-width: 22rem;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.medal-block .medal-caption {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-align: center;
  margin-top: -1.5rem;
}

@media (min-width: 640px) {
  .medal-block {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
  }
  .medal-block figure { flex: 0 0 16rem; margin: 0; }
  .medal-block .medal-text { flex: 1; }
  .medal-block .medal-caption { text-align: left; }
}

/* ---------- Lecture ---------- */

.lecture-intro {
  font-style: italic;
  color: var(--ink-soft);
  border-left: 3px solid var(--rule);
  padding-left: 1.25rem;
  margin: 0 0 3rem;
}

#lecture p { margin: 0 0 1.4rem; }

figure.slide {
  margin: 0 0 0.75rem;
  text-align: center;
}

figure.slide img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border: 1px solid var(--rule);
  background: var(--paper-deep);
}

figure.slide figcaption {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-top: 0.6rem;
}

/* ---------- Publications ---------- */

.pub-entry { padding: 1.75rem 0; }
.pub-entry:first-child { padding-top: 0; }
.pub-entry + .pub-entry { border-top: 1px solid var(--rule); }

.pub-entry h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 0.3rem;
  line-height: 1.35;
}

.pub-entry .pub-cite {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.85rem;
  color: var(--husk);
  margin: 0 0 0.6rem;
}

.pub-entry p:not(.pub-cite) { margin: 0; }

/* ---------- Tributes ---------- */

.tribute {
  font-family: 'IBM Plex Sans', sans-serif;
  padding: 1.75rem 0;
}

.tribute + .tribute { border-top: 1px solid var(--rule); }

.tribute p { margin: 0 0 0.9rem; line-height: 1.65; }

.tribute .signature {
  color: var(--leaf);
  font-size: 0.9rem;
}

/* ---------- Footer ---------- */

footer {
  padding: 3rem 0 4rem;
  text-align: center;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ---------- Nav ---------- */

nav.toc {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.9rem;
  display: flex;
  justify-content: center;
  gap: 1.75rem;
  flex-wrap: wrap;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  background: rgba(247, 243, 234, 0.92);
  backdrop-filter: blur(6px);
  z-index: 10;
}

nav.toc a {
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

nav.toc a:hover { border-bottom-color: var(--husk); }