/* =========================================================
   NiyukuriLab — Design tokens
   Palette pulled from the mark: teal→blue ring, navy chip,
   cyan glow trace, mosquito + virus + microscope motifs.
   Type: Space Grotesk (display, technical) / Source Serif 4
   (body, scholarly) / JetBrains Mono (data, years, labels)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  --navy:        #0B1A2E;
  --navy-soft:   #10233C;
  --teal:        #3FAFA0;
  --blue:        #4A78D9;
  --cyan-glow:   #8FF3EA;
  --paper:       #F6F8FB;
  --paper-dim:   #ECF1F6;
  --ink:         #12202F;
  --ink-soft:    #4C5C6E;
  --line:        #DCE4EC;
  --white:       #FFFFFF;

  --grad-brand: linear-gradient(120deg, var(--teal) 0%, var(--blue) 100%);
  --grad-navy:  linear-gradient(180deg, #0B1A2E 0%, #0E2038 100%);

  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Source Serif 4', Georgia, serif;
  --font-mono:    'JetBrains Mono', monospace;

  --radius: 14px;
  --shadow-soft: 0 12px 30px -14px rgba(11,26,46,0.35);
  --shadow-card: 0 8px 24px -12px rgba(11,26,46,0.22);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4,.font-display{ font-family: var(--font-display); letter-spacing: -0.01em; }
.eyebrow, .mono, .stat-num, .timeline-year, .badge-pill{ font-family: var(--font-mono); }
a{ color: inherit; text-decoration: none; }
img{ max-width:100%; display:block; }
.container-xl{ width:100%; max-width:1220px; margin:0 auto; padding:0 24px; }
.section{ padding: 88px 0; }
.section--tight{ padding: 56px 0; }
.section--navy{ background: var(--grad-navy); color: var(--paper); }
.section--paper-dim{ background: var(--paper-dim); }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- Eyebrow / labels ---------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size: 12.5px; font-weight:600; letter-spacing:.14em; text-transform:uppercase;
  color: var(--teal);
}
.eyebrow::before{
  content:""; width:18px; height:2px; background: var(--grad-brand); border-radius:2px;
}
.section--navy .eyebrow{ color: var(--cyan-glow); }

h2.section-title{ font-size: clamp(28px, 3.6vw, 40px); font-weight:600; margin: 10px 0 14px; }
p.section-lede{ color: var(--ink-soft); font-size: 18px; max-width: 640px; }
.section--navy p.section-lede{ color: rgba(246,248,251,0.78); }

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position: sticky; top:0; z-index: 1000;
  background: #0B1A2E;
  background: linear-gradient(180deg, rgba(11,26,46,0.98), rgba(11,26,46,0.94));
  backdrop-filter: blur(10px) saturate(140%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
@media (max-width: 991px){
  .navbar-collapse{ background:#0E2038; border-radius:12px; margin-top:10px; padding:10px 14px; }
}
.site-header .navbar{ padding: 12px 0; }
.brand{ display:flex; align-items:center; }
.brand img{ width:52px; height:52px; border-radius:50%; }

/* Nav stretches edge to edge between logo and Contact button */
.site-header .navbar-collapse{ flex-grow:1; }
.navbar-nav-fill{
  width:100%; display:flex; flex-wrap:nowrap;
  justify-content:space-evenly; align-items:center;
}

.nav-item{ position:relative; }
.nav-item-link{
  color: rgba(246,248,251,0.82);
  font-family: var(--font-display);
  font-size: 14px; font-weight:500;
  padding: 10px 12px !important;
  position: relative;
  white-space: nowrap;
  display:inline-block;
}
.nav-item-link:hover{ color:#fff; }
.nav-item-link.active{ color:#fff; }
.nav-item-link.active::after{
  content:""; position:absolute; left:12px; right:12px; bottom:4px; height:2px;
  background: var(--grad-brand); border-radius:2px;
}
.dropdown-toggle::after{ vertical-align: 2px; opacity:.7; }

/* Submenus: open on hover (desktop), stay accessible on keyboard focus */
.navbar-nav .dropdown-menu{
  position:absolute; top:100%; left:50%; transform: translate(-50%, 8px);
  min-width: 230px; width:max-content; max-width: 320px;
  background: var(--navy-soft); border:1px solid rgba(255,255,255,0.08);
  border-radius:10px; padding:8px; margin:0;
  box-shadow: var(--shadow-soft);
  display:block; opacity:0; visibility:hidden; pointer-events:none;
  transition: opacity .16s ease, transform .16s ease;
  z-index: 1001;
}
.navbar-nav .dropdown:hover > .dropdown-menu,
.navbar-nav .dropdown:focus-within > .dropdown-menu{
  opacity:1; visibility:visible; pointer-events:auto; transform: translate(-50%, 2px);
}
.navbar-nav .dropdown-menu li{ list-style:none; }
.navbar-nav .dropdown-menu .nav-item-link{
  color: rgba(246,248,251,0.75); border-radius:6px; display:block;
  white-space:nowrap; padding:9px 12px !important; width:100%;
}
.navbar-nav .dropdown-menu .nav-item-link:hover{ background: rgba(63,175,160,0.14); color:#fff; }

@media (max-width: 991px){
  .navbar-nav-fill{ flex-direction:column; align-items:stretch; }
  .navbar-nav .dropdown-menu{
    position:static; transform:none; opacity:1; visibility:visible; pointer-events:auto;
    display:none; box-shadow:none; border:none; background:rgba(255,255,255,0.03);
    margin: 2px 0 6px 14px; max-width:none;
  }
  .navbar-nav .dropdown.open .dropdown-menu{ display:block; }
}

.btn-contact{
  background: var(--grad-brand); color:#fff !important; border:none;
  padding: 10px 20px; border-radius: 999px; font-family: var(--font-display);
  font-weight:600; font-size:14px; box-shadow: 0 8px 18px -8px rgba(74,120,217,0.6);
  transition: transform .18s ease, box-shadow .18s ease;
}
.btn-contact:hover{ transform: translateY(-1px); box-shadow: 0 12px 22px -8px rgba(74,120,217,0.75); color:#fff; }

.navbar-toggler{ border:none; background:transparent; }
.menu-lines, .menu-lines span, .menu-lines span::before, .menu-lines span::after{
  display:block; width:24px; height:2px; background:#fff; position:relative; border-radius:2px;
}
.menu-lines span::before, .menu-lines span::after{ content:""; position:absolute; left:0; }
.menu-lines span::before{ top:-7px; } .menu-lines span::after{ top:7px; }

/* =========================================================
   HERO — circuit-trace signature motif
   ========================================================= */
.hero{
  position:relative; overflow:hidden;
  background: var(--grad-navy);
  color: var(--paper);
  padding: 108px 0 0;
}
.hero-trace{ position:absolute; inset:0; opacity:.55; pointer-events:none; }
.hero-trace .pulse{ animation: trace-pulse 3.2s ease-in-out infinite; }
.hero-trace .pulse:nth-child(2){ animation-delay: .6s; }
.hero-trace .pulse:nth-child(3){ animation-delay: 1.2s; }
.hero-trace .pulse:nth-child(4){ animation-delay: 1.8s; }
@keyframes trace-pulse{
  0%,100%{ opacity:.25; r:3; } 50%{ opacity:1; r:5.5; }
}
.hero-grid{
  position:relative; z-index:2;
  display:grid; grid-template-columns: 1.15fr 0.85fr; gap:48px; align-items:center;
  padding-bottom: 64px;
}
@media (max-width: 960px){ .hero-grid{ grid-template-columns:1fr; } }
.hero-kicker{ display:flex; align-items:center; gap:10px; margin-bottom:18px; }
.hero-kicker .dot{ width:8px; height:8px; border-radius:50%; background: var(--cyan-glow); box-shadow: 0 0 12px var(--cyan-glow); }
.hero-kicker span{ font-family: var(--font-mono); font-size:12.5px; letter-spacing:.16em; text-transform:uppercase; color: var(--cyan-glow); }
.hero h1{
  font-size: clamp(34px, 5.2vw, 58px); font-weight:700; line-height:1.06; margin:0 0 22px;
}
.hero h1 em{ font-style:normal; background: var(--grad-brand); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero p.lede{ font-family: var(--font-body); font-size:19px; color: rgba(246,248,251,0.8); max-width:560px; margin-bottom:32px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }
.btn-primary-brand{
  background: var(--grad-brand); color:#fff; padding:14px 26px; border-radius:999px;
  font-family: var(--font-display); font-weight:600; font-size:15px; display:inline-flex; align-items:center; gap:8px;
  box-shadow: 0 10px 24px -10px rgba(74,120,217,0.65);
}
.btn-ghost-brand{
  border:1px solid rgba(255,255,255,0.25); color:#fff; padding:14px 26px; border-radius:999px;
  font-family: var(--font-display); font-weight:600; font-size:15px;
}
.hero-badges{ display:flex; gap:22px; margin-top:44px; flex-wrap:wrap; }
.hero-badge{ display:flex; align-items:center; gap:10px; }
.hero-badge .icon{ width:34px; height:34px; }
.hero-badge span{ font-family: var(--font-mono); font-size:12px; color: rgba(246,248,251,0.7); letter-spacing:.02em; }

/* Hero device panel echoing the chip mark */
.hero-panel{ position:relative; z-index:2; }
.chip-card{
  position:relative; background: rgba(255,255,255,0.03);
  border:1px solid rgba(143,243,234,0.25); border-radius:20px; padding: 30px;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.6);
}
.chip-card .chip-core{
  background: #061020; border-radius:12px; padding:26px; border:1px solid rgba(143,243,234,0.35);
  font-family: var(--font-mono); font-size:12.5px; color: var(--cyan-glow);
}
.chip-core .line{ opacity:.85; margin:0 0 8px; white-space:pre; }
.chip-core .line .k{ color:#7FB2F0; }
.chip-core .cursor{ display:inline-block; width:7px; height:14px; background:var(--cyan-glow); animation: blink 1s step-end infinite; vertical-align:-2px; }
@keyframes blink{ 50%{ opacity:0; } }

/* =========================================================
   CAROUSEL (data-driven: carousels table)
   ========================================================= */
.carousel-section{ padding: 56px 0 8px; background: var(--paper); }
.carousel-frame{
  position:relative; padding: 8px; border-radius: 26px;
  background: var(--grad-brand); box-shadow: var(--shadow-soft);
}
.carousel-frame::before{
  content:""; position:absolute; inset:-1px; border-radius:26px;
  background: linear-gradient(135deg, rgba(143,243,234,0.35), transparent 40%);
  pointer-events:none;
}
.lab-carousel{ position:relative; border-radius: 20px; overflow:hidden; background: var(--navy); }
.lab-carousel .carousel-inner,
.lab-carousel .carousel-item{ height: 100%; }
.lab-carousel .carousel-item{
  min-height: 400px; height: clamp(440px, 62vh, 680px);
  display:flex; align-items:flex-end;
  background-size: cover; background-position:center;
}
.lab-carousel .carousel-item::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(0deg, rgba(11,26,46,0.92) 0%, rgba(11,26,46,0.32) 58%, rgba(11,26,46,0.02) 100%);
}
/* smooth crossfade instead of the default slide, so a 10s hold reads calmly */
.lab-carousel.carousel-fade .carousel-item{
  opacity:0; transition: opacity 1.2s ease-in-out;
}
.lab-carousel.carousel-fade .carousel-item.active{ opacity:1; }
.lab-carousel.carousel-fade .carousel-item-start,
.lab-carousel.carousel-fade .carousel-item-end{ transform:none; }

.lab-carousel .slide-copy{ position:relative; z-index:2; padding: 44px 48px 52px; max-width: 660px; }
.lab-carousel .slide-copy .badge-pill{
  display:inline-block; font-size:11px; letter-spacing:.12em; text-transform:uppercase;
  color: var(--cyan-glow); border:1px solid rgba(143,243,234,0.4); padding:4px 11px; border-radius:999px; margin-bottom:14px;
}
.lab-carousel .slide-copy h3{ color:#fff; font-size: clamp(24px,3vw,34px); margin:0 0 10px; line-height:1.15; }
.lab-carousel .slide-copy p{ color: rgba(246,248,251,0.85); font-size:16.5px; margin:0; max-width:560px; }
.lab-carousel .carousel-indicators{ bottom:18px; }
.lab-carousel .carousel-indicators [data-bs-target]{
  width:26px; height:3px; border-radius:2px; background: rgba(255,255,255,0.35); opacity:1; border:none;
}
.lab-carousel .carousel-indicators .active{ background: var(--grad-brand); }
.lab-carousel .carousel-control-prev, .lab-carousel .carousel-control-next{ width:52px; z-index:3; }
.lab-carousel .carousel-control-prev-icon, .lab-carousel .carousel-control-next-icon{
  background-color: rgba(255,255,255,0.14); border-radius:50%; padding:16px; backdrop-filter: blur(4px);
}
@media (max-width: 720px){
  .lab-carousel .carousel-item{ height: 46vh; min-height:320px; }
  .lab-carousel .slide-copy{ padding: 24px 22px 32px; }
}

/* =========================================================
   PILLARS — mirrors the three mark icons
   ========================================================= */
.pillars{ display:grid; grid-template-columns: repeat(3, 1fr); gap:24px; margin-top:44px; }
@media (max-width:860px){ .pillars{ grid-template-columns:1fr; } }
.pillar-card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; box-shadow: var(--shadow-card); position:relative; overflow:hidden;
  transition: transform .2s ease, box-shadow .2s ease;
}
.pillar-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.pillar-card .pillar-icon{
  width:52px; height:52px; border-radius:14px; display:flex; align-items:center; justify-content:center;
  background: var(--grad-navy); margin-bottom:18px;
}
.pillar-card h3{ font-size:19px; margin:0 0 10px; }
.pillar-card p{ color: var(--ink-soft); font-size:15.5px; margin:0; }
.pillar-card .pillar-tag{ font-family: var(--font-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color: var(--teal); margin-bottom:10px; display:block; }

/* =========================================================
   LAB HISTORY — network timeline (real chronology)
   ========================================================= */
.timeline{ position:relative; margin-top: 50px; }
.timeline::before{
  content:""; position:absolute; left:26px; top:6px; bottom:6px; width:2px;
  background: repeating-linear-gradient(180deg, var(--teal) 0 6px, transparent 6px 12px);
}
.timeline-item{ position:relative; padding-left: 68px; margin-bottom: 46px; }
.timeline-item:last-child{ margin-bottom:0; }
.timeline-node{
  position:absolute; left:12px; top:2px; width:30px; height:30px; border-radius:50%;
  background: var(--grad-brand); display:flex; align-items:center; justify-content:center;
  box-shadow: 0 0 0 6px rgba(63,175,160,0.12);
}
.timeline-node::after{ content:""; width:8px; height:8px; border-radius:50%; background:#fff; }
.timeline-card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius);
  padding: 26px 28px; box-shadow: var(--shadow-card);
  display:grid; grid-template-columns: 230px 1fr; gap:28px;
}
@media (max-width:720px){ .timeline-card{ grid-template-columns:1fr; } }
.timeline-year{
  font-size: 13px; color: var(--teal); font-weight:600; letter-spacing:.06em;
  display:flex; flex-direction:column; gap:10px;
}
.timeline-year .photo-frame{
  border-radius:10px; overflow:hidden; aspect-ratio:1/1;
  box-shadow: var(--shadow-card); position:relative; z-index:1;
}
.timeline-year .photo-frame:hover{ z-index:5; }
.timeline-year img{
  width:100%; height:100%; border-radius:0; aspect-ratio:auto; object-fit:cover;
  transition: transform .45s cubic-bezier(.2,.7,.2,1);
}
.timeline-year .photo-frame:hover img{ transform: scale(1.55); }
.timeline-card h3{ font-size:19px; margin:0 0 8px; }
.timeline-card p{ color: var(--ink-soft); font-size:15.5px; margin:0; }
.timeline-card p.clamp{ display:-webkit-box; -webkit-line-clamp:5; -webkit-box-orient:vertical; overflow:hidden; }
.timeline-card .read-more{ display:inline-block; margin-top:10px; font-family:var(--font-mono); font-size:12.5px; color:var(--blue); font-weight:600; }

/* =========================================================
   STRIP / CTA
   ========================================================= */
.cta-strip{
  background: var(--grad-brand); color:#fff; border-radius: 20px;
  padding: 46px 44px; display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
}
.cta-strip h3{ margin:0 0 6px; font-size:24px; }
.cta-strip p{ margin:0; color: rgba(255,255,255,0.85); }
.btn-on-brand{
  background:#fff; color: var(--navy) !important; padding:13px 24px; border-radius:999px;
  font-family: var(--font-display); font-weight:700; font-size:14.5px; white-space:nowrap;
}

/* =========================================================
   PAGE HERO — compact banner used on interior pages
   (People directory, Research, Publications, etc.)
   ========================================================= */
.page-hero{
  position:relative; overflow:hidden;
  background: var(--grad-navy); color: var(--paper);
  padding: 64px 0 56px;
}
.page-hero .hero-trace{ opacity:.4; }
.page-hero .container-xl{ position:relative; z-index:2; }
.page-hero h1{ font-size: clamp(30px, 4vw, 44px); font-weight:700; margin: 8px 0 10px; }
.page-hero p.lede{ font-family: var(--font-body); font-size:17px; color: rgba(246,248,251,0.78); max-width:620px; margin:0; }
.page-hero .eyebrow{ color: var(--cyan-glow); }
.page-hero .count-pill{
  display:inline-flex; align-items:center; gap:8px; margin-top:20px;
  font-family: var(--font-mono); font-size:12.5px; color: rgba(246,248,251,0.7);
  border:1px solid rgba(255,255,255,0.18); border-radius:999px; padding:6px 14px;
}
.page-hero .count-pill strong{ color:#fff; }

/* =========================================================
   PEOPLE DIRECTORY — grid + cards
   ========================================================= */
.people-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 44px;
}
@media (max-width: 980px){ .people-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px){ .people-grid{ grid-template-columns: 1fr; } }

.person-card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius);
  overflow:hidden; box-shadow: var(--shadow-card);
  transition: transform .2s ease, box-shadow .2s ease;
  display:flex; flex-direction:column;
}
.person-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.person-photo{
  position:relative; aspect-ratio: 4/3.4; overflow:hidden;
  background: var(--paper-dim);
  display:flex; align-items:center; justify-content:center; padding: 16px;
}
.person-photo img{
  max-width:100%; max-height:100%; width:auto; height:auto; object-fit:contain; display:block;
  transition: transform .4s cubic-bezier(.2,.8,.2,1);
}
.person-card:hover .person-photo img{ transform: scale(1.06); }
.person-link{ display:flex; flex-direction:column; flex:1; color:inherit; text-decoration:none; }
.person-link:hover{ color:inherit; }
.person-photo .no-photo{
  width:100%; height:100%; display:flex; align-items:center; justify-content:center;
  font-family: var(--font-display); font-size:40px; font-weight:700; color: rgba(143,243,234,0.55);
}
.person-body{ padding: 20px 22px 24px; display:flex; flex-direction:column; gap:6px; flex:1; }
.person-name{ font-family: var(--font-display); font-size:17.5px; font-weight:600; color: var(--ink); margin:0; }
.person-role{ font-size:13.5px; color: var(--teal); font-weight:600; }
.person-inst{ font-size:13.5px; color: var(--ink-soft); }
.person-spec{
  font-family: var(--font-mono); font-size:11px; letter-spacing:.03em; color: var(--blue);
  background: rgba(74,120,217,0.08); border-radius:6px; padding:4px 9px; display:inline-block; width:fit-content; margin-top:6px;
}
.person-bio{ font-size:14px; color: var(--ink-soft); line-height:1.55; margin-top:8px; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }
.person-email{
  margin-top:12px; font-family: var(--font-mono); font-size:12.5px; color: var(--ink-soft);
  display:inline-flex; align-items:center; gap:6px; padding-top:12px; border-top:1px solid var(--line);
}
.person-email:hover{ color: var(--blue); }

.empty-state{
  text-align:center; padding: 70px 20px; color: var(--ink-soft);
  border: 1px dashed var(--line); border-radius: var(--radius); margin-top: 40px;
}
.empty-state i{ font-size:28px; color: var(--teal); margin-bottom:14px; display:block; }

/* =========================================================
   PERSON DETAIL PAGE
   ========================================================= */
.back-link{
  display:inline-flex; align-items:center; gap:8px; font-family: var(--font-mono);
  font-size:13px; color: var(--ink-soft); margin-bottom:8px; cursor:pointer; background:none; border:none; padding:0;
}
.back-link:hover{ color: var(--blue); }
.person-detail{
  display:grid; grid-template-columns: 340px 1fr; gap: 44px; margin-top: 44px; align-items:start;
}
@media (max-width: 860px){ .person-detail{ grid-template-columns: 1fr; } }
.person-detail-photo{
  background: var(--paper-dim); border-radius: var(--radius); border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; padding: 24px;
  aspect-ratio: 1/1; overflow:hidden; position:sticky; top:110px;
}
.person-detail-photo img{ max-width:100%; max-height:100%; width:auto; height:auto; object-fit:contain; }
.person-detail-photo .no-photo{
  font-family: var(--font-display); font-size:64px; font-weight:700; color: rgba(74,120,217,0.35);
}
.person-detail-name{ font-size: clamp(26px, 3.4vw, 36px); margin: 0 0 8px; }
.person-detail-role{ color: var(--teal); font-weight:600; font-size:16px; }
.person-detail-inst{ color: var(--ink-soft); font-size:15px; margin-top:2px; }
.person-detail-tags{ margin: 16px 0 26px; display:flex; flex-wrap:wrap; gap:8px; }
.person-detail-bio{ font-size:16.5px; line-height:1.75; color: var(--ink-soft); white-space:pre-line; }
.person-detail-contact{
  display:inline-flex; align-items:center; gap:10px; margin-top:28px;
  background: var(--grad-brand); color:#fff; padding:12px 22px; border-radius:999px;
  font-family: var(--font-display); font-weight:600; font-size:14.5px;
}
.person-detail-contact:hover{ color:#fff; }
.reveal{ opacity:0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity:1; transform:none; }

/* =========================================================
   TOPICS SEAM — light divider between the navy closing
   section and the navy footer, so they read as distinct blocks
   ========================================================= */
.topics-seam{
  background: var(--paper); padding: 30px 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.topics-track{
  display:flex; gap:14px; width:max-content;
  animation: topics-scroll 32s linear infinite;
}
.topics-seam:hover .topics-track{ animation-play-state: paused; }
.topics-chip{
  display:flex; align-items:center; gap:8px; white-space:nowrap;
  font-family: var(--font-mono); font-size:13px; color: var(--ink-soft);
  border:1px solid var(--line); border-radius:999px; padding:8px 16px; background:#fff;
}
.topics-chip svg{ flex:none; color: var(--teal); }
@keyframes topics-scroll{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{ background: #081120; color: rgba(246,248,251,0.75); padding-top: 64px; }
.footer-grid{ display:grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap:36px; padding-bottom: 40px; }
@media (max-width:860px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width:560px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-brand{ display:flex; align-items:center; gap:12px; margin-bottom:14px; }
.footer-brand img{ width:52px; height:52px; border-radius:50%; }
.footer-brand strong{ font-family: var(--font-display); color:#fff; font-size:16px; }
.site-footer p.desc{ font-size:14.5px; line-height:1.7; max-width:320px; }
.site-footer h4{
  font-family: var(--font-mono); font-size:12px; letter-spacing:.12em; text-transform:uppercase;
  color: var(--cyan-glow); margin:0 0 16px;
}
.site-footer ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:10px; }
.site-footer ul a{ font-size:14.5px; color: rgba(246,248,251,0.72); transition: color .15s ease; }
.site-footer ul a:hover{ color:#fff; }
.footer-social{ display:flex; gap:10px; margin-top:18px; }
.footer-social a{
  width:36px; height:36px; border-radius:50%; border:1px solid rgba(255,255,255,0.16);
  display:flex; align-items:center; justify-content:center;
}
.footer-social a:hover{ border-color: var(--cyan-glow); color: var(--cyan-glow); }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08); padding: 18px 0 26px;
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
  font-family: var(--font-mono); font-size:12px; letter-spacing:.02em; color: rgba(246,248,251,0.55);
}

/* =========================================================
   PUBLICATIONS — published_view / review_view
   (append this block to assets/css/style.css)
   ========================================================= */
.publications-list{ display:flex; flex-direction:column; gap:20px; margin-top:8px; }

.publication-card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius);
  padding: 26px 28px; box-shadow: var(--shadow-card);
  display:flex; flex-direction:column; gap:8px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.publication-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow-soft); }

.pub-status-pill{
  align-self:flex-start; font-family: var(--font-mono); font-size:11px;
  letter-spacing:.08em; text-transform:uppercase; font-weight:600;
  padding:4px 11px; border-radius:999px;
}
.pub-status-pill.is-published{ background: rgba(63,175,160,0.12); color: var(--teal); }
.pub-status-pill.is-review{ background: rgba(74,120,217,0.12); color: var(--blue); }

.pub-year-badge{
  font-family: var(--font-mono); font-size:12px; letter-spacing:.08em;
  color: var(--ink-soft); font-weight:600;
}

.publication-card h3{ font-size: 18.5px; margin: 2px 0 2px; line-height:1.35; }

.publication-card .pub-authors{ font-size:14.5px; color: var(--ink-soft); margin:0; }
.publication-card .pub-journal{
  font-family: var(--font-mono); font-size:12.5px; color: var(--blue); margin:0; font-style:normal;
}

.pub-actions{ display:flex; gap:18px; margin-top:6px; flex-wrap:wrap; }
.pub-link-btn{
  display:inline-flex; align-items:center; gap:6px;
  font-family: var(--font-mono); font-size:12.5px; font-weight:600; color: var(--blue);
}
.pub-link-btn:hover{ color: var(--teal); }

/* count pill already styled via .page-hero .count-pill in the base stylesheet */
/* =========================================================
   FOCUS AREAS — "Read More" toggle on pillar-card
   (append this block to assets/css/style.css)
   ========================================================= */
.pillar-card p.pillar-desc.clamp{
  display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden;
}
.pillar-card.is-expanded p.pillar-desc.clamp{
  display:block; -webkit-line-clamp:unset; overflow:visible;
}

.pillar-readmore{
  display:inline-flex; align-items:center; gap:9px; margin-top:16px;
  background:none; border:none; padding:0; cursor:pointer;
  font-family: var(--font-display); font-weight:600; font-size:14px; color: var(--ink);
}
.pillar-readmore:hover{ color: var(--blue); }
.pillar-readmore .plus-icon{
  width:24px; height:24px; border-radius:50%; flex:none;
  background: var(--grad-brand); color:#fff;
  display:flex; align-items:center; justify-content:center; font-size:11px;
  transition: transform .2s ease;
}
.pillar-card.is-expanded .pillar-readmore .plus-icon{ transform: rotate(45deg); }
/* =========================================================
   CONTACT PAGE — quick info cards, socials, map + accordion
   (append this block to assets/css/style.css)
   ========================================================= */

/* ---- quick info cards ---- */
.contact-quick-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap:20px; margin-top:8px;
}
@media (max-width: 980px){ .contact-quick-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .contact-quick-grid{ grid-template-columns: 1fr; } }

.contact-info-card{
  background:#fff; border:1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px; box-shadow: var(--shadow-card);
  transition: transform .2s ease, box-shadow .2s ease;
}
.contact-info-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.contact-info-icon{
  width:44px; height:44px; border-radius:12px; margin-bottom:14px;
  background: var(--grad-navy); color: var(--cyan-glow);
  display:flex; align-items:center; justify-content:center; font-size:16px;
}
.contact-info-label{
  display:block; font-family: var(--font-mono); font-size:11px; letter-spacing:.1em;
  text-transform:uppercase; color: var(--teal); margin-bottom:8px;
}
.contact-info-card p{ margin:0; font-size:15px; color: var(--ink-soft); line-height:1.55; }
.contact-info-card p a{ color: var(--ink); font-weight:600; }
.contact-info-card p a:hover{ color: var(--blue); }

/* ---- social row ---- */
.social-row{
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px;
  margin-top: 28px; padding: 20px 26px; border-radius: var(--radius);
  background: var(--paper-dim); border:1px solid var(--line);
}
.social-row-label{
  font-family: var(--font-mono); font-size:12.5px; letter-spacing:.06em; color: var(--ink-soft);
}
.social-row-links{ display:flex; gap:10px; }
.social-row-links a{
  width:40px; height:40px; border-radius:50%; background:#fff; border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; color: var(--ink);
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.social-row-links a:hover{
  background: var(--grad-brand); color:#fff; border-color: transparent; transform: translateY(-2px);
}

/* ---- map section ---- */
.map{ position:relative; background: var(--paper-dim); padding: 64px 0 0; overflow:hidden; }

.mapouter{ position:relative; width:100%; height: 480px; }
.gmap_canvas{ overflow:hidden; background:none !important; width:100%; height:100%; }
.gmap_canvas .gmap_iframe{ width:100% !important; height:100% !important; display:block; }

.map-container{
  position:relative; z-index:3; max-width: 380px; margin: -140px 0 0 auto;
  padding: 0 24px 60px;
}
@media (max-width: 860px){
  .map-container{ margin: 24px auto 40px; max-width: 480px; padding: 0 24px; }
  .mapouter{ height: 360px; }
}

.contact-panel{
  background:#fff; border-radius: var(--radius); overflow:hidden; box-shadow: var(--shadow-soft);
}
.contact-panel .panel-header{
  background: var(--grad-navy); padding: 20px 24px;
}
.contact-panel .panel-title{ font-family: var(--font-display); font-size:17px; color:#fff; }

.accordion-item{ border-bottom:1px solid var(--line); }
.accordion-item:last-child{ border-bottom:none; }
.accordion-header{ cursor:pointer; }
.accordion-title{
  display:flex; align-items:center; justify-content:space-between;
  padding: 16px 24px; font-family: var(--font-display); font-weight:600; font-size:14.5px; color: var(--ink);
}
.accordion-title::after{
  content:"\f078"; font-family:"Font Awesome 6 Free"; font-weight:900; font-size:11px;
  color: var(--teal); transition: transform .2s ease;
}
.accordion-header[aria-expanded="true"] .accordion-title::after,
.accordion-item.opened .accordion-title::after{ transform: rotate(180deg); }
.accordion-body{ padding: 0 24px 18px; }
.contact-list li{ font-size:14.5px; color: var(--ink-soft); line-height:1.6; }

.curve-top-shape{ position:absolute; left:0; right:0; bottom:-1px; z-index:1; line-height:0; }
.curve-svg{ width:100%; height:60px; display:block; }
.curve-path{ fill: var(--paper); }
.person-detail-project{
  margin: 18px 0 22px; padding: 16px 20px; border-radius: var(--radius);
  background: var(--paper-dim); border: 1px solid var(--line);
}
.person-detail-project-label{
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 8px;
}
.person-detail-project-label i{ font-size: 11px; }
.person-detail-project p{
  margin: 0; font-size: 15px; color: var(--ink); line-height: 1.6;
}