/* ── RESET & TOKENS ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink:        #0f0e0c;
  --ink-2:      #3a3832;
  --ink-3:      #7a7670;
  --paper:      #f7f5f0;
  --paper-2:    #edeae3;
  --paper-3:    #e2ded5;
  --accent:     #1a4a3a;
  --accent-l:   #e8f2ee;
  --accent-m:   #2d7a5e;
  --gold:       #b8860b;
  --gold-l:     #f5eedc;
  --border:     rgba(15,14,12,0.12);
  --border-s:   rgba(15,14,12,0.22);
  --nav-h:      64px;
  --serif:      'Cormorant Garamond', Georgia, serif;
  --sans:       'Syne', system-ui, sans-serif;
  --mono:       'JetBrains Mono', monospace;
  --max-w:      1200px;
  --pad-x:      clamp(1.5rem, 10vw, 8rem);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(247,245,240,0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
}
.nav-brand {
  font-family: var(--serif);
  font-size: 1.1rem; font-weight: 600;
  color: var(--ink); text-decoration: none;
}
.nav-links { display: flex; align-items: center; gap: 0.25rem; list-style: none; }
.nav-links a {
  font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-3); text-decoration: none;
  padding: 0.35rem 0.7rem; border-radius: 4px;
  transition: color .2s, background .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); background: var(--paper-3); }
.nav-cv {
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent); text-decoration: none;
  border: 1.5px solid var(--accent);
  padding: 0.35rem 0.9rem; border-radius: 4px;
  transition: background .2s, color .2s;
}
.nav-cv:hover { background: var(--accent); color: #fff; }

/* ── HERO ── */
.hero {
  padding-top: calc(var(--nav-h) + 5rem);
  padding-bottom: 5rem;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 4rem; align-items: start;
  max-width: var(--max-w); margin: 0 auto;
}
.hero-label {
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent-m); margin-bottom: 1.25rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.hero-label::before {
  content: ''; display: inline-block;
  width: 28px; height: 1.5px; background: var(--accent-m);
}
.hero-name {
  font-family: var(--serif);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 500; line-height: 1.05;
  color: var(--ink); margin-bottom: 0.5rem;
}
.hero-role {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--ink-2); margin-bottom: 0.3rem;
}
.hero-affil {
  font-size: 0.82rem; font-weight: 500;
  letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--accent-m); margin-bottom: 2rem;
}
.hero-bio {
  font-size: 1rem; color: var(--ink-2);
  line-height: 1.85; max-width: 54ch; margin-bottom: 2.5rem;
}
.hero-socials { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.social-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.04em;
  color: var(--ink-2); text-decoration: none;
  border: 1px solid var(--border-s);
  padding: 0.4rem 0.75rem; border-radius: 4px;
  transition: border-color .2s, color .2s, background .2s;
}
.social-link:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.social-link i { font-size: 13px; }

/* hero sidebar */
.hero-card {
  background: var(--paper-2);
  border: 1px solid var(--border-s);
  border-radius: 12px; overflow: hidden;
  position: sticky; top: calc(var(--nav-h) + 2rem);
}
.hero-card-img {
  width: 100%; aspect-ratio: 1;
  background: var(--paper-3);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero-card-img img { width: 100%; height: 100%; object-fit: cover; }
.hero-avatar {
  width: 90px; height: 90px; border-radius: 50%;
  background: var(--accent-l); border: 3px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 2.2rem; font-weight: 600; color: var(--accent);
}
.hero-card-body { padding: 1.4rem; }
.hero-card-name { font-family: var(--serif); font-size: 1.2rem; font-weight: 600; color: var(--ink); margin-bottom: 0.1rem; }
.hero-card-sub { font-size: 0.78rem; color: var(--ink-3); margin-bottom: 1.25rem; }
.card-label {
  font-family: var(--mono); font-size: 0.63rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 0.5rem;
  padding-bottom: 0.35rem; border-bottom: 1px solid var(--border);
  margin-top: 1.1rem;
}
.card-label:first-child { margin-top: 0; }
.interests { list-style: none; }
.interests li {
  font-size: 0.8rem; color: var(--ink-2);
  padding: 0.18rem 0;
  display: flex; align-items: center; gap: 0.4rem;
}
.interests li::before {
  content: ''; width: 5px; height: 5px;
  border-radius: 50%; background: var(--accent-m); flex-shrink: 0;
}
.edu-item { margin-bottom: 0.65rem; }
.edu-degree { font-size: 0.8rem; font-weight: 600; color: var(--ink); }
.edu-uni { font-family: var(--mono); font-size: 0.68rem; color: var(--ink-3); }

/* ── SECTION ── */
.section {
  max-width: var(--max-w); margin: 0 auto;
  padding: 5rem var(--pad-x);
  border-top: 1px solid var(--border);
}
.section-hd { display: flex; align-items: baseline; gap: 1.5rem; margin-bottom: 3rem; }
.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 500; color: var(--ink); line-height: 1;
}
.section-num {
  font-family: var(--mono); font-size: 0.68rem;
  color: var(--accent-m); letter-spacing: 0.1em;
  border: 1px solid var(--accent-m);
  padding: 0.2rem 0.5rem; border-radius: 3px;
}

/* ── PUBLICATIONS ── */
.pub-item {
  display: grid; grid-template-columns: 64px 1fr;
  gap: 1.5rem; padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
}
.pub-item:first-child { border-top: 1px solid var(--border); }
.pub-year { font-family: var(--mono); font-size: 0.75rem; color: var(--ink-3); padding-top: 0.2rem; }
.pub-badge {
  display: inline-block; font-family: var(--mono); font-size: 0.63rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--accent-l); color: var(--accent);
  padding: 0.18rem 0.5rem; border-radius: 3px; margin-bottom: 0.4rem;
}
.pub-title {
  font-family: var(--serif); font-size: 1.15rem; font-weight: 500;
  line-height: 1.4; color: var(--ink); margin-bottom: 0.25rem;
}
.pub-authors { font-size: 0.8rem; color: var(--ink-3); margin-bottom: 0.4rem; }
.pub-authors strong { color: var(--ink-2); font-weight: 600; }
.pub-links { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.pub-link {
  font-family: var(--mono); font-size: 0.65rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-2); text-decoration: none;
  border: 1px solid var(--border-s);
  padding: 0.18rem 0.5rem; border-radius: 3px;
  transition: background .15s, color .15s;
}
.pub-link:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ── PROJECTS ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.project-card {
  background: var(--paper-2); border: 1px solid var(--border-s);
  border-radius: 12px; padding: 1.6rem;
  transition: transform .2s, border-color .2s, box-shadow .2s;
  position: relative; overflow: hidden;
}
.project-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--accent); opacity: 0; transition: opacity .2s;
}
.project-card:hover { transform: translateY(-3px); border-color: var(--accent); box-shadow: 0 12px 28px rgba(0,0,0,0.08); }
.project-card:hover::before { opacity: 1; }
.project-tag { font-family: var(--mono); font-size: 0.63rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-m); margin-bottom: 0.6rem; }
.project-title {
  font-family: var(--serif); font-size: 1.2rem; font-weight: 500;
  line-height: 1.35; color: var(--ink); margin-bottom: 0.5rem;
  text-decoration: none; display: block;
  transition: color .2s;
}
.project-title:hover { color: var(--accent); }
.project-desc { font-size: 0.84rem; line-height: 1.7; color: var(--ink-2); margin-bottom: 1.1rem; }
.project-tech { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.tech-pill {
  font-family: var(--mono); font-size: 0.63rem;
  background: var(--paper-3); color: var(--ink-2);
  padding: 0.18rem 0.5rem; border-radius: 100px;
  border: 1px solid var(--border);
}

/* ── TALKS ── */
.talk-item {
  display: grid; grid-template-columns: 64px 1fr auto;
  align-items: center; gap: 1.5rem;
  padding: 1.1rem 0; border-bottom: 1px solid var(--border);
}
.talk-item:first-child { border-top: 1px solid var(--border); }
.talk-year { font-family: var(--mono); font-size: 0.73rem; color: var(--ink-3); }
.talk-title { font-family: var(--serif); font-size: 1rem; font-weight: 500; color: var(--ink); margin-bottom: 0.12rem; }
.talk-event { font-size: 0.78rem; color: var(--ink-3); }
.talk-link {
  font-size: 0.73rem; color: var(--accent-m); text-decoration: none;
  white-space: nowrap; display: flex; align-items: center; gap: 0.2rem;
  opacity: 0; transition: opacity .2s;
}
.talk-item:hover .talk-link { opacity: 1; }

/* ── TEACHING ── */
.teaching-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.1rem;
}
.course-card {
  border: 1px solid var(--border-s); border-radius: 10px;
  padding: 1.4rem; background: var(--paper);
  transition: border-color .2s;
}
.course-card:hover { border-color: var(--accent-m); }
.course-code { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em; color: var(--accent-m); margin-bottom: 0.3rem; }
.course-name { font-family: var(--serif); font-size: 1rem; font-weight: 500; color: var(--ink); margin-bottom: 0.5rem; line-height: 1.3; }
.course-meta { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.badge {
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.06em;
  padding: 0.16rem 0.48rem; border-radius: 3px;
  background: var(--paper-3); color: var(--ink-3);
  border: 1px solid var(--border);
}
.badge.role { background: var(--gold-l); color: var(--gold); border-color: rgba(184,134,11,0.2); }

/* ── BLOG POSTS (index cards) ── */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.25rem;
}
.post-card {
  border: 1px solid var(--border-s); border-radius: 12px;
  padding: 1.6rem; background: var(--paper);
  transition: border-color .2s, transform .2s;
  text-decoration: none; color: inherit;
  display: flex; flex-direction: column;
}
.post-card:hover { border-color: var(--ink-2); transform: translateY(-2px); }
.post-date { font-family: var(--mono); font-size: 0.65rem; color: var(--ink-3); letter-spacing: 0.06em; margin-bottom: 0.65rem; }
.post-title {
  font-family: var(--serif); font-size: 1.15rem; font-weight: 500;
  line-height: 1.4; color: var(--ink); margin-bottom: 0.5rem; flex: 1;
}
.post-excerpt { font-size: 0.82rem; color: var(--ink-3); line-height: 1.65; margin-bottom: 1rem; }
.post-read { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-m); display: flex; align-items: center; gap: 0.3rem; }

/* ── FOOTER ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem clamp(1.5rem, 10vw, 8rem);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
  max-width: var(--max-w); margin: 0 auto;
}
.footer-copy { font-family: var(--mono); font-size: 0.68rem; color: var(--ink-3); }
.footer-links { display: flex; gap: 1rem; }
.footer-links a { font-family: var(--mono); font-size: 0.68rem; color: var(--ink-3); text-decoration: none; transition: color .2s; }
.footer-links a:hover { color: var(--ink); }

/* ── BACK TO TOP ── */
#back-top {
  position: fixed; bottom: 2rem; right: 2rem;
  width: 40px; height: 40px;
  background: var(--ink); color: var(--paper);
  border: none; border-radius: 50%; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  opacity: 0; transform: translateY(8px);
  transition: opacity .3s, transform .3s;
  z-index: 99;
}
#back-top.show { opacity: 1; transform: none; }
#back-top:hover { background: var(--accent); }

/* ── REVEAL ANIMATION ── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ── BLOG POST PAGE ── */
.post-page {
  max-width: 760px; margin: 0 auto;
  padding: calc(var(--nav-h) + 4rem) clamp(1.5rem, 6vw, 3rem) 5rem;
}
.post-page-meta { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
.post-page-date { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-3); }
.post-page-read { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-3); }
.post-page-tag {
  font-family: var(--mono); font-size: 0.63rem; letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--accent-l); color: var(--accent);
  padding: 0.18rem 0.5rem; border-radius: 3px;
}
.post-page h1 {
  font-family: var(--serif); font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 500; line-height: 1.15; color: var(--ink);
  margin-bottom: 1rem;
}
.post-page .post-intro {
  font-family: var(--serif); font-style: italic;
  font-size: 1.2rem; color: var(--ink-2); line-height: 1.7;
  border-left: 3px solid var(--accent); padding-left: 1.25rem;
  margin-bottom: 2.5rem;
}

/* Article body typography */
.post-body { font-size: 1.02rem; line-height: 1.85; color: var(--ink-2); }
.post-body h2 {
  font-family: var(--serif); font-size: 1.7rem; font-weight: 500;
  color: var(--ink); margin: 2.5rem 0 0.75rem; line-height: 1.2;
}
.post-body h3 {
  font-family: var(--serif); font-size: 1.25rem; font-weight: 500;
  color: var(--ink); margin: 2rem 0 0.5rem;
}
.post-body p { margin-bottom: 1.25rem; }
.post-body a { color: var(--accent-m); text-decoration: underline; text-underline-offset: 3px; }
.post-body a:hover { color: var(--accent); }
.post-body ul, .post-body ol { margin: 0 0 1.25rem 1.5rem; }
.post-body li { margin-bottom: 0.35rem; }
.post-body pre {
  background: var(--ink); color: #e8e6e0;
  padding: 1.25rem 1.5rem; border-radius: 8px;
  overflow-x: auto; margin: 1.5rem 0;
  font-family: var(--mono); font-size: 0.85rem; line-height: 1.65;
}
.post-body code {
  font-family: var(--mono); font-size: 0.85em;
  background: var(--paper-3); color: var(--accent);
  padding: 0.1em 0.4em; border-radius: 3px;
}
.post-body pre code { background: none; color: inherit; padding: 0; font-size: inherit; }
.post-body blockquote {
  border-left: 3px solid var(--accent); padding-left: 1.25rem;
  color: var(--ink-2); font-style: italic; margin: 1.5rem 0;
}
.post-body img { max-width: 100%; border-radius: 8px; margin: 1.5rem 0; }
.post-body .footnotes { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--border); font-size: 0.82rem; color: var(--ink-3); }
.post-body .footnotes li { margin-bottom: 0.5rem; }

/* TOC */
.toc {
  background: var(--paper-2); border: 1px solid var(--border-s);
  border-radius: 10px; padding: 1.25rem 1.5rem;
  margin: 0 0 2.5rem;
}
.toc-label { font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 0.75rem; }
.toc ol { margin: 0 0 0 1rem; }
.toc li { font-size: 0.85rem; margin-bottom: 0.3rem; }
.toc a { color: var(--accent-m); text-decoration: none; }
.toc a:hover { text-decoration: underline; }

/* Post share row */
.post-share { display: flex; align-items: center; gap: 0.6rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.share-label { font-family: var(--mono); font-size: 0.68rem; color: var(--ink-3); letter-spacing: 0.06em; text-transform: uppercase; margin-right: 0.2rem; }
.share-btn {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-family: var(--mono); font-size: 0.68rem;
  color: var(--ink-2); text-decoration: none;
  border: 1px solid var(--border-s); padding: 0.3rem 0.65rem; border-radius: 4px;
  transition: background .15s, color .15s;
}
.share-btn:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.back-link {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-3); text-decoration: none; margin-bottom: 2rem;
  transition: color .2s;
}
.back-link:hover { color: var(--accent); }

/* ── RESPONSIVE ── */
@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: calc(var(--nav-h) + 3rem); }
  .hero-card { position: static; }
  .nav-links { display: none; }
  .talk-item { grid-template-columns: 54px 1fr; }
  .talk-link { display: none; }
}

/* ── SERVICE SECTION ── */
.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.service-block {
  background: var(--paper-2);
  border: 1px solid var(--border-s);
  border-radius: 12px;
  padding: 1.75rem;
}

.service-block--full {
  grid-column: 1 / -1;
}

.service-block-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.service-icon {
  width: 36px; height: 36px;
  background: var(--accent-l);
  color: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.service-block-title {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--ink);
}

.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.service-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.service-list li:last-child {
  border-bottom: none;
}

.service-name {
  font-size: 0.87rem;
  color: var(--ink-2);
  line-height: 1.4;
  flex: 1;
}

.service-years {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ink-3);
  white-space: nowrap;
  letter-spacing: 0.04em;
}

/* editorial cards inside the full-width block */
.editorial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.editorial-card {
  background: var(--paper);
  border: 1px solid var(--border-s);
  border-radius: 8px;
  padding: 1.1rem 1.25rem;
  transition: border-color .2s;
}

.editorial-card:hover {
  border-color: var(--accent-m);
}

.editorial-role {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-m);
  margin-bottom: 0.4rem;
}

.editorial-journal {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 0.2rem;
}

.editorial-pub {
  font-size: 0.78rem;
  color: var(--ink-3);
  margin-bottom: 0.35rem;
}

.editorial-years {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}

@media (max-width: 720px) {
  .service-grid { grid-template-columns: 1fr; }
  .service-block--full { grid-column: auto; }
}

/* ── DISSERTATION ── */
.hero-dissertation {
  margin-bottom: 2rem;
}

.dissertation-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.4rem;
}

.dissertation-link {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

.dissertation-link:hover {
  color: var(--accent-m);
  border-bottom-color: var(--accent-m);
}

/* ── EXPERIENCE & AWARDS ── */
.exp-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.exp-col-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.exp-col-title {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--ink);
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 1.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 0;
  width: 1.5px;
  background: var(--border-s);
}

.tl-item {
  position: relative;
  margin-bottom: 2rem;
}

.tl-item:last-child {
  margin-bottom: 0;
}

.tl-marker {
  position: absolute;
  left: -1.5rem;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--accent-m);
  z-index: 1;
}

.tl-period {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--accent-m);
  margin-bottom: 0.25rem;
  display: block;
}

.tl-role {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.1rem;
  line-height: 1.3;
}

.tl-org {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 0.35rem;
}

.tl-desc {
  font-size: 0.82rem;
  color: var(--ink-3);
  line-height: 1.65;
}

/* Awards */
.awards-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.award-item {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  align-items: start;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

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

.award-year {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  padding-top: 0.15rem;
}

.award-title {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.15rem;
  line-height: 1.3;
}

.award-event {
  font-size: 0.78rem;
  color: var(--ink-3);
  line-height: 1.4;
}

.award-badge {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  white-space: nowrap;
  margin-top: 0.1rem;
}

.award-badge--gold {
  background: var(--gold-l);
  color: var(--gold);
  border: 1px solid rgba(184,134,11,0.25);
}

.award-badge--silver {
  background: #f0f0ee;
  color: #666;
  border: 1px solid #ddd;
}

.award-badge--green {
  background: var(--accent-l);
  color: var(--accent);
  border: 1px solid rgba(26,74,58,0.2);
}

.award-badge--blue {
  background: #e8f0fb;
  color: #2a5cb8;
  border: 1px solid rgba(42,92,184,0.2);
}

@media (max-width: 820px) {
  .exp-layout { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* ── PHD STUDENTS ── */
.phd-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.phd-col-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.5rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.phd-name {
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.15rem;
}

.phd-topic {
  font-size: 0.78rem;
  color: var(--ink-3);
  line-height: 1.4;
  font-style: italic;
}

.phd-badge {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  white-space: nowrap;
  flex-shrink: 0;
  align-self: start;
  margin-top: 0.15rem;
}

.phd-badge--done {
  background: var(--accent-l);
  color: var(--accent);
  border: 1px solid rgba(26,74,58,0.2);
}

.phd-badge--ext {
  background: #e8f0fb;
  color: #2a5cb8;
  border: 1px solid rgba(42,92,184,0.2);
}

.phd-badge--int {
  background: var(--gold-l);
  color: var(--gold);
  border: 1px solid rgba(184,134,11,0.2);
}

@media (max-width: 720px) {
  .phd-grid { grid-template-columns: 1fr; }
}

/* ── BOOKS ── */
.books-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.book-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

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

.book-cover {
  width: 120px;
  aspect-ratio: 2/3;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 4px 4px 16px rgba(0,0,0,0.12);
  flex-shrink: 0;
}

.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-cover-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-m) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.05em;
}

.book-type {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--gold-l);
  color: var(--gold);
  border: 1px solid rgba(184,134,11,0.2);
  padding: 0.18rem 0.5rem;
  border-radius: 3px;
  margin-bottom: 0.5rem;
}

.book-title {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 0.25rem;
}

.book-authors {
  font-size: 0.82rem;
  color: var(--ink-3);
  margin-bottom: 0.2rem;
}

.book-authors strong {
  color: var(--ink-2);
  font-weight: 600;
}

.book-meta {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-3);
  letter-spacing: 0.02em;
  margin-bottom: 0.65rem;
  line-height: 1.5;
}

.book-desc {
  font-size: 0.85rem;
  color: var(--ink-2);
  line-height: 1.7;
  margin-bottom: 0.85rem;
  max-width: 60ch;
}

.book-links {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

@media (max-width: 600px) {
  .book-item {
    grid-template-columns: 90px 1fr;
    gap: 1.25rem;
  }
  .book-cover { width: 90px; }
}

/* ── EMBEDS ── */
.embed-video {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 10px;
  overflow: hidden;
  margin: 1.75rem 0;
  background: var(--ink);
}

.embed-video iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}

.embed-doc {
  width: 100%;
  height: 520px;
  border-radius: 10px;
  overflow: hidden;
  margin: 1.75rem 0;
  border: 1px solid var(--border-s);
}

.embed-doc iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.embed-caption {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-3);
  margin-top: -1.25rem;
  margin-bottom: 1.75rem;
  text-align: center;
}