/* ══════════════════════════════════════════
   TOKENS
══════════════════════════════════════════ */
:root {
  --navy:       #0d1b3e;
  --navy-mid:   #162350;
  --navy-light: #1e3163;
  --charcoal:   #2c3347;
  --gray:       #5a6275;
  --gray-lt:    #9aa0b0;
  --rule:       #dde1ea;
  --bg:         #ffffff;
  --bg-soft:    #f8f9fc;
  --bg-warm:    #f4f5f8;
  --gold:       #6a4f0e;
  --gold-lt:    #b38614;
  --gold-pale:  #ede6d4;
  --gold-rule:  #c9a84a;
  --text:       #1a1e2e;
  --text-mid:   #4a5168;
  --text-muted: #8890a4;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: 3.5rem;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Nunito Sans', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  padding-left: env(safe-area-inset-left, 0);
  padding-right: env(safe-area-inset-right, 0);
}

html, body { max-width: 100%; }
img, svg { max-width: 100%; height: auto; }
a { overflow-wrap: anywhere; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ══════════════════════════════════════════
   TOP ANNOUNCEMENT BAR
══════════════════════════════════════════ */
.topbar {
  background: var(--navy);
  font-family: 'Nunito Sans', sans-serif;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.5);
}

.topbar-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: max(9px, env(safe-area-inset-top, 0px)) 48px 9px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tb-left { display: flex; align-items: center; gap: 20px; }
.tb-sep { color: rgba(255,255,255,0.2); }

.tb-right { display: flex; gap: 20px; }
.tb-right a {
  color: var(--gold-lt);
  text-decoration: none;
  font-size: 12px;
  transition: color 0.2s;
}
.tb-right a:hover { color: #fff; }

/* ══════════════════════════════════════════
   HEADER
══════════════════════════════════════════ */
header {
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}

.header-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 48px;
}

/* Affiliation bar */
.affil-bar {
  display: flex;
  align-items: center;
  gap: 0;
  border-bottom: 1px solid var(--rule);
  padding: 16px 0;
}

.affil-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-right: 28px;
  margin-right: 28px;
  border-right: 1px solid var(--rule);
  text-decoration: none;
  transition: opacity 0.2s;
  cursor: pointer;
}

.affil-item:last-of-type { border-right: none; margin-right: 0; }
.affil-item:hover { opacity: 0.75; }

.affil-logo {
  width: 44px; height: 44px;
  border: 1.5px dashed var(--rule);
  border-radius: 3px;
  background: var(--bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color 0.2s;
  overflow: hidden;
}

.affil-item:hover .affil-logo { border-color: var(--gold); }

.affil-logo img {
  width: 100%; height: 100%;
  object-fit: contain;
}

.affil-logo-ph {
  font-family: 'Cinzel', serif;
  font-size: 9px;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.06em;
  line-height: 1.3;
  padding: 4px;
}

.affil-name {
  font-family: 'Cormorant', serif;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: 0.01em;
}
.affil-role {
  font-size: 11px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Hero identity */
.hero {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
  padding: 32px 0 36px;
}

/* Photo */
.hero-photo {
  flex-shrink: 0;
  align-self: start;
}

.photo-wrap {
  width: clamp(168px, 20vw, 240px);
  aspect-ratio: 5 / 6;
  height: auto;
  border: 2px solid var(--rule);
  position: relative;
  overflow: hidden;
  background: var(--bg-soft);
  transition: border-color 0.3s;
}

.photo-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 3px solid transparent;
  transition: border-color 0.3s;
  pointer-events: none;
}

.photo-wrap:hover { border-color: var(--gold); }

.photo-wrap img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  display: block;
}

.photo-ph {
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.photo-ph svg {
  width: 36px; height: 36px;
  fill: var(--rule);
}

.photo-ph-label {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  line-height: 1.4;
}

/* Name block */
.hero-pre {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.hero-pre-line {
  width: 32px; height: 1px;
  background: var(--gold);
}

.hero-pre-text {
  font-family: 'Cinzel', serif;
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}

.hero-name {
  font-family: 'Cormorant', serif;
  font-size: clamp(40px, 4.5vw, 62px);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.0;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.hero-titles {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 16px;
}

.hero-title {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 400;
  color: var(--text-mid);
  line-height: 1.28;
}

.hero-title::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
  margin-top: 5px;
}

.hero-title strong {
  color: var(--text);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  font-family: 'Nunito Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.btn:hover::before { transform: translateX(0); }

.btn-primary {
  background: var(--navy);
  color: #fff;
}

.btn-primary:hover {
  background: var(--navy-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(13,27,62,0.25);
}

.btn-gold {
  background: transparent;
  color: var(--gold);
  border: 1.5px solid var(--gold-rule);
}

.btn-gold:hover {
  background: var(--gold-pale);
  border-color: var(--gold);
  transform: translateY(-1px);
}

/* Hero right — stats */
.hero-stats {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 160px;
}

.stat-tile {
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  border-left: 3px solid transparent;
  padding: 14px 18px;
  transition: border-left-color 0.2s, background 0.2s;
}

.stat-tile:hover {
  border-left-color: var(--gold);
  background: var(--gold-pale);
}

.stat-num {
  font-family: 'Cormorant', serif;
  font-size: 30px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-top: 2px;
  line-height: 1.35;
}

/* ══════════════════════════════════════════
   STICKY NAV
══════════════════════════════════════════ */
.sitenav {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 2px 16px rgba(13,27,62,0.18);
}

.sitenav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 48px;
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-brand {
  display: none;
  font-family: 'Cinzel', serif;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.75);
  cursor: pointer;
  border-radius: 2px;
}

.nav-toggle-bars {
  position: relative;
  width: 18px;
  height: 2px;
  background: currentColor;
  display: inline-block;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: '';
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
}

.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; }

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-menu a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  font-family: 'Nunito Sans', sans-serif;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.nav-menu a:hover {
  color: #fff;
  border-bottom-color: var(--gold);
}

.nav-menu a svg {
  width: 14px; height: 14px;
  fill: currentColor;
  opacity: 0.6;
}

.nav-spacer { flex: 1; }

.nav-contact {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-contact a {
  color: var(--gold-lt) !important;
  letter-spacing: 0.04em !important;
  text-transform: none !important;
  font-weight: 400 !important;
  border: none !important;
  padding: 0 !important;
}

/* ══════════════════════════════════════════
   PAGE WRAP
══════════════════════════════════════════ */
.page {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 48px;
}

/* ══════════════════════════════════════════
   SECTION STRUCTURE
══════════════════════════════════════════ */
.section {
  padding: 48px 0;
  border-bottom: 1px solid var(--rule);
  opacity: 0;
  transform: translateY(22px);
  animation: appear 0.6s ease forwards;
}

.section:nth-child(1) { animation-delay: 0.08s; }
.section:nth-child(2) { animation-delay: 0.16s; }
.section:nth-child(3) { animation-delay: 0.24s; }
.section:nth-child(4) { animation-delay: 0.32s; }

@keyframes appear {
  to { opacity: 1; transform: translateY(0); }
}

.sec-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.sec-icon {
  width: 40px; height: 40px;
  background: var(--gold-pale);
  border: 1px solid var(--gold-rule);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sec-icon svg {
  width: 20px; height: 20px;
  fill: var(--gold);
}

.sec-num {
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--gold);
  display: block;
  margin-bottom: 2px;
}

.sec-title {
  font-family: 'Cormorant', serif;
  font-size: 28px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.sec-rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--rule), transparent);
}

/* ══════════════════════════════════════════
   ABOUT
══════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 40px;
  align-items: start;
}

.about-prose p {
  font-size: 15.5px;
  font-weight: 300;
  color: var(--text-mid);
  margin-bottom: 12px;
  line-height: 1.75;
  text-align: justify;
}

.about-prose p:first-child {
  font-size: 17px;
  font-weight: 400;
  color: var(--text);
}

.about-prose strong { color: var(--text); font-weight: 600; }

/* PhD callout */
.phd-note {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--gold);
  padding: 16px 18px;
  margin-top: 18px;
}

.phd-note-icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  background: var(--gold-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

.phd-note-icon svg { width: 16px; height: 16px; fill: var(--gold); }

.phd-note-label {
  font-family: 'Cinzel', serif;
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 5px;
}

.phd-note-text {
  font-size: 13.5px;
  font-weight: 400;
  color: var(--text-mid);
  line-height: 1.65;
}

.phd-note-text em { color: var(--navy); font-style: italic; font-weight: 500; }

/* About sidebar */
.about-sidebar { display: flex; flex-direction: column; gap: 2px; }

.sb-card {
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  border-top: none;
  padding: 16px 18px;
  transition: background 0.2s, border-left-color 0.2s;
  border-left: 3px solid transparent;
}

.sb-card:first-child { border-top: 1px solid var(--rule); }
.sb-card:hover { background: var(--gold-pale); border-left-color: var(--gold); }

.sb-label {
  font-family: 'Cinzel', serif;
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 5px;
}

.sb-value {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
}

.sb-value small {
  display: block;
  font-weight: 300;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}


/* ══════════════════════════════════════════
   PUBLICATIONS
══════════════════════════════════════════ */
.pub-entry {
  display: grid;
  grid-template-columns: 52px 1fr 70px;
  gap: 18px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
  transition: background 0.15s;
}

.pub-entry::before {
  content: '';
  position: absolute;
  left: -48px; top: 0; bottom: 0;
  width: 3px;
  background: transparent;
  transition: background 0.2s;
}

.pub-entry:last-child { border-bottom: none; }

.pub-idx {
  font-family: 'Cormorant', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--rule);
  text-align: right;
  padding-top: 3px;
  line-height: 1;
  transition: color 0.2s;
}

.pub-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 5px;
}

.tag {
  font-family: 'Nunito Sans', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 2px;
}

.tag-ai   { background: #e8eef8; color: var(--navy-light); border: 1px solid #c8d4e8; }
.tag-fin  { background: var(--gold-pale); color: var(--gold); border: 1px solid var(--gold-rule); }
.tag-gov  { background: #eaf4ec; color: #2a5c30; border: 1px solid #b8d8bc; }

.pub-title {
  font-family: 'Cormorant', serif;
  font-size: 17.5px;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: 4px;
  letter-spacing: 0.01em;
}

.pub-meta {
  font-size: 12.5px;
  font-weight: 300;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.5;
}

.pub-note {
  display: block;
  font-style: normal;
  font-weight: 500;
  color: var(--gold);
  font-size: 11.5px;
  margin-top: 3px;
  letter-spacing: 0.02em;
}

.pub-year {
  font-family: 'Cormorant', serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--rule);
  text-align: right;
  white-space: nowrap;
  padding-top: 3px;
}

/* ══════════════════════════════════════════
   EXPERIENCE
══════════════════════════════════════════ */
.exp-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 28px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}

.exp-item:last-child { border-bottom: none; }

.exp-period {
  font-family: 'Cinzel', serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--navy);
  line-height: 1.45;
  margin-bottom: 6px;
}

.exp-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  background: var(--gold-pale);
  color: var(--gold);
  border: 1px solid var(--gold-rule);
}

.exp-role {
  font-family: 'Cormorant', serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 4px;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.exp-org {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--gold);
  font-style: italic;
  margin-bottom: 7px;
}

.exp-desc {
  font-size: 14px;
  font-weight: 300;
  color: var(--text-mid);
  line-height: 1.62;
}

/* ══════════════════════════════════════════
   EDUCATION
══════════════════════════════════════════ */
/* PhD banner */
.phd-banner {
  background: var(--navy);
  padding: 0;
  margin-bottom: 2px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  position: relative;
  overflow: hidden;
}

.phd-banner::before {
  content: 'PhD';
  position: absolute;
  right: -20px; bottom: -30px;
  font-family: 'Cormorant', serif;
  font-size: 160px;
  font-weight: 700;
  color: rgba(255,255,255,0.03);
  line-height: 1;
  pointer-events: none;
  letter-spacing: -0.05em;
}

.phd-main {
  padding: 28px 28px;
  border-right: 1px solid rgba(255,255,255,0.08);
}

.phd-status {
  font-family: 'Cinzel', serif;
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-lt);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.phd-status::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold-lt);
  box-shadow: 0 0 8px var(--gold-lt);
  animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.phd-deg {
  font-family: 'Cormorant', serif;
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.15;
}

.phd-desc {
  font-size: 13px;
  font-weight: 300;
  color: rgba(255,255,255,0.6);
  line-height: 1.65;
}

.phd-detail {
  padding: 28px 22px;
  border-right: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.phd-detail:last-child { border-right: none; }

.phd-detail-label {
  font-family: 'Cinzel', serif;
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 8px;
}

.phd-detail-val {
  font-size: 13px;
  font-weight: 400;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
}

/* Degree grid */
.deg-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.deg-tile {
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  padding: 16px 18px;
  transition: background 0.2s, border-color 0.2s;
}

.deg-tile:hover {
  background: var(--bg-warm);
  border-color: var(--gold-rule);
}

.deg-name {
  font-family: 'Cormorant', serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 5px;
  line-height: 1.3;
}

.deg-inst {
  font-size: 12px;
  font-weight: 300;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 4px;
  line-height: 1.4;
}

.deg-yr {
  font-family: 'Cinzel', serif;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
.site-footer {
  background: var(--navy);
  margin-top: 0;
}

.footer-top {
  max-width: 1140px;
  margin: 0 auto;
  padding: 44px 48px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2px;
}

.fc {
  padding: 32px 28px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  transition: background 0.2s;
}

.fc:hover { background: rgba(255,255,255,0.05); }

.fc-label {
  font-family: 'Cinzel', serif;
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-lt);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.fc-label::before {
  content: '';
  width: 20px; height: 1px;
  background: var(--gold);
}

.fc-val {
  font-size: 14px;
  font-weight: 300;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

.fc-val a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  transition: color 0.2s, border-color 0.2s;
  padding-bottom: 1px;
}

.fc-val a:hover {
  color: var(--gold-lt);
  border-bottom-color: var(--gold);
}

.footer-base {
  background: rgba(0,0,0,0.2);
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 11.5px;
  color: rgba(255,255,255,0.28);
  letter-spacing: 0.04em;
}

.footer-base-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 18px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-base-name {
  font-family: 'Cormorant', serif;
  font-size: 14px;
  font-style: italic;
  color: rgba(255,255,255,0.45);
}

/* ══════════════════════════════════════════
   DESKTOP-ONLY HOVER (avoid touch layout shift)
══════════════════════════════════════════ */
@media (hover: hover) and (pointer: fine) {
  .pub-entry:hover::before { background: var(--gold); }
  .pub-entry:hover {
    background: var(--bg-soft);
    margin: 0 -24px;
    padding: 18px 24px;
  }
  .pub-entry:hover .pub-idx { color: var(--gold-rule); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .section { animation: none; opacity: 1; transform: none; }
  * { transition: none !important; }
}

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 960px) {
  .topbar-inner,
  .header-inner,
  .sitenav-inner,
  .page,
  .footer-top {
    padding-left: max(16px, env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px));
  }

  .topbar-inner {
    flex-wrap: wrap;
    gap: 10px 16px;
    row-gap: 8px;
    justify-content: center;
    text-align: center;
  }

  .tb-left {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 12px;
  }

  .tb-right {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 20px;
    width: 100%;
  }

  .hero { grid-template-columns: auto 1fr; }
  .hero-stats { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .deg-grid { grid-template-columns: 1fr 1fr; }
  .phd-banner { grid-template-columns: 1fr; }
  .phd-main, .phd-detail { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .phd-detail:last-child { border-bottom: none; }
  .footer-top { grid-template-columns: 1fr; padding-bottom: 24px; }
  .affil-bar { flex-wrap: wrap; gap: 12px; }
  .affil-item { border-right: none; margin-right: 0; padding-right: 0; }
  .nav-contact { display: none; }
  .sitenav-inner { gap: 10px; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 4.25rem; }

  .section { padding: 36px 0; }
  .sec-head {
    flex-wrap: wrap;
    margin-bottom: 22px;
    gap: 10px;
  }
  .sec-title { font-size: clamp(22px, 6vw, 26px); }
  .sec-icon { width: 36px; height: 36px; }
  .sec-icon svg { width: 18px; height: 18px; }

  .affil-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 0;
  }
  .affil-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--rule);
    gap: 10px;
  }
  .affil-item:last-of-type { border-bottom: none; padding-bottom: 0; }
  .affil-name { font-size: 13px; line-height: 1.25; }
  .affil-role { font-size: 10px; }

  .hero {
    grid-template-columns: 1fr;
    padding: 20px 0 24px;
    gap: 14px;
  }
  .hero-photo {
    display: flex;
    justify-content: center;
    width: 100%;
  }
  .hero-identity { text-align: center; }
  .hero-pre { justify-content: center; }
  .hero-name {
    font-size: clamp(32px, 9vw, 40px);
    margin-bottom: 12px;
  }
  .hero-titles {
    text-align: left;
    max-width: 100%;
  }
  .hero-title {
    font-size: 13px;
    line-height: 1.32;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    max-width: 22rem;
    margin-left: auto;
    margin-right: auto;
    gap: 10px;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
    padding: 14px 20px;
    font-size: 14px;
  }

  .photo-wrap {
    width: min(200px, 78vw);
  }

  .sitenav-inner { flex-wrap: wrap; justify-content: space-between; }
  .nav-brand { display: block; }
  .nav-toggle { display: inline-flex; }
  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    padding-bottom: 6px;
  }
  .nav-menu.is-open { display: flex; }
  .nav-menu a {
    width: 100%;
    padding: 14px 12px;
    font-size: 11.5px;
    letter-spacing: 0.06em;
    border-bottom: 1px solid rgba(255,255,255,0.10);
  }
  .nav-menu a:last-child { border-bottom: none; }
  .nav-menu a svg { width: 16px; height: 16px; }

  .about-prose p { font-size: 15px; }
  .about-prose p:first-child { font-size: 16px; }

  .pub-entry {
    grid-template-columns: 1fr;
    padding: 16px 0;
    gap: 0;
  }
  .pub-entry::before { display: none; }
  .pub-idx, .pub-year { display: none; }
  .pub-title { font-size: clamp(16px, 4.2vw, 17.5px); }

  .exp-item { grid-template-columns: 1fr; gap: 10px; padding: 18px 0; }
  .exp-role { font-size: clamp(18px, 5vw, 20px); }

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

  .fc { padding: 24px 20px; }

  .footer-base-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    padding-left: max(16px, env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px));
    padding-bottom: max(18px, env(safe-area-inset-bottom, 0px));
  }
}

@media (max-width: 480px) {
  .topbar-inner {
    font-size: 11px;
    padding-bottom: 8px;
  }
  .tb-left {
    flex-direction: column;
    gap: 4px;
    width: 100%;
  }
  .tb-sep { display: none; }
  .tb-right a {
    font-size: 11px;
    word-break: break-word;
    overflow-wrap: anywhere;
  }
}