:root {
  --ink: #2f2a27;
  --muted: #6f665f;
  --accent: #7c3f42;
  --accent-dark: #5e2f32;
  --accent-soft: #f5e8e5;
  --olive: #73735a;
  --olive-soft: #ececdf;
  --sand: #d5b897;
  --paper: #fffdf9;
  --soft: #f6f0e8;
  --line: #e4d8cb;
  --shadow: 0 22px 60px rgba(72, 48, 38, 0.12);
  --radius: 22px;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, input { font: inherit; }
.shell { width: min(calc(100% - 2.4rem), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 1000; padding: .75rem 1rem; background: var(--ink); color: #fff; border-radius: 8px; }
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,253,249,.91);
  border-bottom: 1px solid rgba(228,216,203,.88);
  backdrop-filter: blur(15px);
}
.nav { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { text-decoration: none; font-family: Georgia, "Times New Roman", serif; font-weight: 700; letter-spacing: -.018em; font-size: 1.16rem; }
.nav-links { display: flex; align-items: center; gap: 1.25rem; }
.nav-links a { text-decoration: none; color: #5b514b; font-size: .92rem; font-weight: 680; }
.nav-links a:hover { color: var(--accent); }
.nav-cv { border: 1px solid var(--line); border-radius: 999px; padding: .42rem .85rem; background: rgba(255,255,255,.58); }
.nav-toggle { display: none; border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: .45rem .8rem; color: var(--accent-dark); font-weight: 750; }

.hero {
  min-height: 720px;
  display: flex;
  align-items: center;
  padding: 92px 0 82px;
  background:
    radial-gradient(circle at 86% 12%, rgba(213,184,151,.28), transparent 27%),
    radial-gradient(circle at 8% 18%, rgba(124,63,66,.11), transparent 30%),
    linear-gradient(180deg, #fbf5ed 0%, var(--paper) 82%);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.28fr) minmax(330px, .72fr); gap: 4.2rem; align-items: center; }
.kicker { margin: 0 0 .75rem; color: var(--accent); text-transform: uppercase; letter-spacing: .14em; font-size: .75rem; font-weight: 820; }
.hero h1,
.section-heading h2,
.profile-card h2 {
  font-family: Georgia, "Times New Roman", serif;
}
.hero h1 { margin: 0 0 1rem; font-size: clamp(3.15rem, 6.8vw, 6.05rem); line-height: .96; letter-spacing: -.058em; font-weight: 700; }
.degree { display: inline-block; margin-left: .28em; color: var(--accent); font-family: Inter, ui-sans-serif, sans-serif; font-size: .29em; font-weight: 760; letter-spacing: .015em; vertical-align: .45em; white-space: nowrap; }
.role { margin: 0 0 1.15rem; color: #514843; font-size: clamp(1.03rem, 2vw, 1.32rem); font-weight: 650; line-height: 1.48; }
.hero-statement { max-width: 780px; margin: 0 0 1.9rem; color: var(--muted); font-size: 1.08rem; }
.hero-actions, .profile-links, .footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: .76rem 1.08rem; border-radius: 999px; text-decoration: none; font-size: .92rem; font-weight: 780; transition: transform .18s ease, box-shadow .18s ease; }
.button:hover { transform: translateY(-2px); }
.primary { background: var(--accent); color: #fff; box-shadow: 0 12px 30px rgba(124,63,66,.22); }
.secondary { background: rgba(255,255,255,.72); color: var(--accent-dark); border: 1px solid var(--line); }
.profile-links { margin-top: 1.45rem; }
.profile-links a { color: var(--accent-dark); text-decoration: none; font-size: .9rem; font-weight: 720; border-bottom: 1px solid transparent; }
.profile-links a:hover { border-color: var(--accent-dark); }

.profile-card {
  overflow: hidden;
  background: rgba(255,255,255,.84);
  border: 1px solid var(--line);
  border-radius: 34px 34px 22px 22px;
  box-shadow: var(--shadow);
  transform: rotate(.45deg);
}
.portrait-frame { position: relative; aspect-ratio: 4 / 4.8; overflow: hidden; background: #e8dfd2; }
.portrait-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 58%, rgba(50,35,29,.12)); pointer-events: none; }
.portrait { width: 100%; height: 100%; object-fit: cover; object-position: 58% 37%; display: block; filter: saturate(.92) contrast(.98); }
.profile-card-copy { padding: 1.45rem 1.55rem 1.6rem; }
.identity-label { margin: 0; color: var(--olive); text-transform: uppercase; letter-spacing: .12em; font-size: .7rem; font-weight: 820; }
.profile-card h2 { margin: .3rem 0 .52rem; font-size: 1.48rem; letter-spacing: -.025em; }
.profile-card-copy > p:not(.identity-label) { color: var(--muted); margin-top: 0; font-size: .91rem; line-height: 1.58; }
.identity-tags { display: flex; flex-wrap: wrap; gap: .42rem; margin-top: 1rem; }
.identity-tags span { padding: .31rem .58rem; border-radius: 999px; background: var(--olive-soft); color: #565643; font-size: .75rem; font-weight: 720; }
.identity-tags span:nth-child(2n) { background: var(--accent-soft); color: var(--accent-dark); }

.section { padding: 92px 0; }
.soft { background: var(--soft); }
.section-heading { max-width: 860px; margin: 0 auto 2.8rem; text-align: center; }
.section-heading h2 { margin: 0 0 .85rem; font-size: clamp(2.15rem, 4.8vw, 3.55rem); line-height: 1.08; letter-spacing: -.045em; font-weight: 700; }
.section-heading > p:not(.kicker), .split-heading > div > p:not(.kicker) { color: var(--muted); }
.split-heading { max-width: none; display: flex; align-items: end; justify-content: space-between; gap: 2rem; text-align: left; }
.split-heading > div { max-width: 780px; }
.updated { flex: 0 0 auto; color: var(--accent-dark) !important; font-size: .87rem; font-weight: 760; }

.research-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.1rem; }
.research-card { background: rgba(255,255,255,.84); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.55rem; box-shadow: 0 12px 30px rgba(72,48,38,.055); }
.card-number { margin: 0 0 1rem; color: var(--accent); font-size: .78rem; font-weight: 850; letter-spacing: .12em; }
.research-card h3 { margin: 0 0 .65rem; font-size: 1.17rem; line-height: 1.32; }
.research-card p, .research-card li { color: var(--muted); font-size: .93rem; }
.research-card ul { margin: 1rem 0 0; padding-left: 1.1rem; }
.research-card li + li { margin-top: .3rem; }

.submission-panel { margin-bottom: 2.2rem; padding: 1.45rem; border: 1px solid #ddc9b8; border-radius: 24px; background: linear-gradient(140deg, #fbf2ea, #fffdf9); }
.panel-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.1rem; }
.panel-heading h3 { margin: .1rem 0 0; font-size: 1.35rem; }
.status-key { color: var(--muted); font-size: .8rem; }
.status-dot { display: inline-block; width: 8px; height: 8px; margin-right: .35rem; border-radius: 50%; background: var(--olive); }
.submission-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .75rem; }
.submission-card { background: #fff; border: 1px solid var(--line); border-radius: 15px; padding: 1rem; }
.submission-top { display: flex; align-items: center; justify-content: space-between; gap: .8rem; margin-bottom: .45rem; }
.status-badge, .role-badge { display: inline-flex; align-items: center; border-radius: 999px; padding: .24rem .52rem; font-size: .72rem; font-weight: 780; }
.status-badge { background: #f5ead4; color: #6f5431; }
.role-badge { background: var(--accent-soft); color: var(--accent-dark); }
.submission-card h4 { margin: 0; font-size: .98rem; line-height: 1.4; }
.submission-card h4 a { text-decoration: none; }
.submission-card h4 a:hover { color: var(--accent); text-decoration: underline; }
.submission-meta { margin: .4rem 0 0; color: var(--muted); font-size: .84rem; }
.blind-note { margin: .45rem 0 0; color: #79643d; font-size: .78rem; font-style: italic; }

.publication-toolbar { display: flex; justify-content: center; flex-wrap: wrap; gap: .5rem; margin: 0 0 1.3rem; }
.filter { border: 1px solid var(--line); background: #fff; color: #5c514b; border-radius: 999px; padding: .5rem .8rem; cursor: pointer; font-size: .84rem; font-weight: 760; }
.filter:hover, .filter.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.publication-list { display: grid; gap: .58rem; }
.publication-item { display: grid; grid-template-columns: 70px minmax(0,1fr) auto; gap: 1rem; align-items: start; padding: 1rem 1.08rem; background: #fff; border: 1px solid var(--line); border-radius: 14px; transition: transform .15s ease, box-shadow .15s ease; }
.publication-item:hover { transform: translateY(-1px); box-shadow: 0 10px 25px rgba(72,48,38,.06); }
.pub-year { color: var(--accent-dark); font-size: .84rem; font-weight: 820; }
.pub-title { margin: 0; font-size: .96rem; line-height: 1.42; }
.pub-title a { text-decoration: none; }
.pub-title a:hover { color: var(--accent); text-decoration: underline; }
.pub-venue { margin: .2rem 0 0; color: var(--muted); font-size: .86rem; }
.pub-links { display: flex; flex-wrap: wrap; gap: .4rem; justify-content: flex-end; }
.pub-links a { text-decoration: none; color: var(--accent-dark); border: 1px solid var(--line); border-radius: 999px; padding: .25rem .5rem; font-size: .72rem; font-weight: 760; white-space: nowrap; }
.pub-links a:hover { border-color: var(--accent); color: var(--accent); }
.publication-item.hidden { display: none; }

.activity-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; }
.activity-card { display: grid; grid-template-columns: 92px minmax(0,1fr); gap: 1rem; padding: 1.35rem; background: rgba(255,255,255,.88); border: 1px solid var(--line); border-radius: var(--radius); }
.activity-date { color: var(--accent-dark); font-size: .82rem; font-weight: 820; }
.activity-type { margin: 0 0 .2rem; color: var(--olive); text-transform: uppercase; letter-spacing: .1em; font-size: .68rem; font-weight: 850; }
.activity-card h3 { margin: 0 0 .32rem; font-size: 1rem; line-height: 1.38; }
.activity-card p { margin: 0; color: var(--muted); font-size: .88rem; }

.timeline { max-width: 860px; margin-inline: auto; display: grid; gap: .7rem; }
.timeline-item { display: grid; grid-template-columns: 150px minmax(0,1fr); gap: 1.5rem; padding: 1.15rem 1.3rem; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.64); }
.timeline-item span { color: var(--accent-dark); font-size: .84rem; font-weight: 820; }
.timeline-item h3 { margin: 0 0 .15rem; font-size: 1rem; }
.timeline-item p { margin: 0; color: var(--muted); font-size: .9rem; }

.site-footer { padding: 2.2rem 0; background: #3b302c; color: #fff; }
.footer-grid { display: flex; justify-content: space-between; align-items: center; gap: 2rem; }
.site-footer p { margin: .2rem 0 0; color: #d8cbc1; font-size: .87rem; }
.footer-links a { color: #fff; text-decoration: none; font-size: .87rem; }
.footer-links a:hover { text-decoration: underline; }

@media (max-width: 900px) {
  .hero-grid, .research-grid { grid-template-columns: 1fr; }
  .profile-card { max-width: 560px; transform: none; }
  .submission-grid, .activity-grid { grid-template-columns: 1fr; }
  .publication-item { grid-template-columns: 58px minmax(0,1fr); }
  .pub-links { grid-column: 2; justify-content: flex-start; }
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; }
  .nav-links { position: absolute; top: 70px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: .75rem 1.2rem 1.2rem; background: var(--paper); border-bottom: 1px solid var(--line); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: .65rem 0; }
  .nav-cv { border: 0; border-radius: 0; }
  .hero { min-height: 0; padding-top: 70px; }
  .hero-grid { gap: 2.4rem; }
  .hero h1 { font-size: clamp(3rem, 18vw, 5rem); }
  .degree { font-size: .26em; vertical-align: .5em; }
  .section { padding: 68px 0; }
  .split-heading, .panel-heading, .footer-grid { align-items: flex-start; flex-direction: column; }
  .section-heading { text-align: left; }
  .publication-item { grid-template-columns: 1fr; gap: .35rem; }
  .pub-links { grid-column: auto; }
  .activity-card, .timeline-item { grid-template-columns: 1fr; gap: .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* v3 refinements */
.submission-top { justify-content: flex-start; }
.submission-authors { margin: .42rem 0 0; color: #514843; font-size: .82rem; line-height: 1.48; }
.submission-authors strong { color: var(--accent-dark); font-weight: 820; }
.activity-links { display: flex; flex-wrap: wrap; gap: .42rem; margin-top: .68rem; }
.activity-links a { text-decoration: none; color: var(--accent-dark); border: 1px solid var(--line); border-radius: 999px; padding: .25rem .56rem; font-size: .72rem; font-weight: 760; }
.activity-links a:hover { border-color: var(--accent); color: var(--accent); }