/* =====================================================
   FerrarisLab — style.css
   Visual language inspired by the "Helix" academic research
   lab template on Lovable: dark navy→teal hero with molecular
   network art, bold sans headlines, rounded white cards,
   colored status pills, dark navy footer.
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  --navy-900: #0F1B2B;
  --navy-800: #16283D;
  --teal:     #14B8A6;
  --teal-dark:#0F9488;
  --teal-light: rgba(20,184,166,.1);

  --bg-page:   #F7F9FA;
  --bg-alt:    #EEF2F3;
  --bg-card:   #FFFFFF;
  --text-primary:  #16232E;
  --text-secondary:#57626C;
  --text-muted:    #8B959C;
  --border-color:  #E4E9EB;

  --green-bg: #E4F7EC; --green-text: #1D8348;
  --amber-bg: #FDF1DA; --amber-text: #B4740E;
  --blue-bg:  #E4EEFB; --blue-text:  #1E5EA8;

  --shadow-sm: 0 1px 2px rgba(15,27,43,.05);
  --shadow-md: 0 6px 16px rgba(15,27,43,.08);
  --shadow-lg: 0 14px 32px rgba(15,27,43,.12);

  --radius-md: .5rem;
  --radius-lg: .75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  --maxw: 1160px;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms cubic-bezier(.22,1,.36,1);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--sans);
  background: var(--bg-page);
  color: var(--text-secondary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; }
h1,h2,h3,h4{
  font-family: var(--sans); font-weight: 800; letter-spacing: -.015em;
  color: var(--text-primary); margin: 0 0 .5em; line-height: 1.2;
}
p{ margin: 0 0 1em; color: var(--text-secondary); }
strong{ color: var(--text-primary); font-weight: 600; }

.wrap{ max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

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

/* ---------- Header / Nav ---------- */
.site-header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--border-color);
}
.site-header .wrap{
  display: flex; align-items: center; justify-content: space-between;
  height: 100px;
  gap: 24px;
}
.nav-right-group{ display: flex; align-items: center; gap: 32px; }
.header-right{ display: flex; align-items: center; gap: 18px; flex-shrink: 0; }
.social-links-header{ display: flex; align-items: center; gap: 8px; }
.social-links-header a{
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}
.social-links-header a:hover{ color: var(--teal-dark); border-color: var(--teal-dark); background: var(--accent-light, var(--bg-secondary)); }
.social-links-header svg{ width: 21px; height: 21px; fill: currentColor; }
.header-upo-logo{
  height: 70px; width: auto; display: block;
  padding-left: 18px;
  border-left: 1px solid var(--border-color);
  transition: opacity var(--transition-fast);
}
.header-upo-logo:hover{ opacity: .75; }
.logo{
  display: inline-block;
  font-family: var(--sans);
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
  line-height: 1;
}
.logo em{ font-style: normal; color: var(--teal-dark); }
.logo .logo-sub.is-ready{ opacity: 1; }
.logo .logo-sub{
  display: block;
  font-family: var(--sans);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .02em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 3px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity .12s ease;
}
nav.main-nav ul{ list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; }
nav.main-nav a{
  display: block;
  font-family: var(--sans);
  font-weight: 600;
  font-size: .95rem;
  white-space: nowrap;
  text-decoration: none;
  color: var(--text-secondary);
  padding: 9px 12px;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast);
  position: relative;
}
nav.main-nav a:hover{ color: var(--teal-dark); }
nav.main-nav a.active{ color: var(--teal-dark); font-weight: 600; }
nav.main-nav a.active::after{
  content: '';
  position: absolute; left: 14px; right: 14px; bottom: 0;
  height: 2px; background: var(--teal-dark); border-radius: 1px;
}

.nav-toggle{
  display: none;
  background: none; border: 1px solid var(--border-color); border-radius: var(--radius-md);
  color: var(--text-secondary); font-family: var(--sans); font-size: .82rem;
  padding: 8px 12px; cursor: pointer;
}

/* ---------- Hero (dark navy → teal, molecular network art) ---------- */
.hero{
  position: relative;
  background: linear-gradient(115deg, #EAF7F3 0%, #E9F1FB 100%);
  color: var(--text-primary);
  overflow: hidden;
  padding: 88px 0 96px;
  border-bottom: 1px solid var(--border-color);
}
.hero .diffraction{
  position: absolute; inset: 0;
  opacity: .9;
  pointer-events: none;
}
.hero.hero-compact{ padding: 56px 0 62px; }

/* ---------- Hero background grid (real PDB structures, tinted) ---------- */
.hero-gallery{
  position: absolute; inset: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  grid-auto-rows: 200px;
  column-gap: 20px;
  row-gap: 34px;
  z-index: 0;
  overflow: hidden;
  align-content: start;
}
.hero-gallery img{
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
  filter: grayscale(100%) brightness(1.15) contrast(1.05);
  mix-blend-mode: multiply;
  opacity: .85;
}
.hero::after{
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(115deg, rgba(234,247,243,.9) 0%, rgba(233,241,251,.9) 100%);
  z-index: 1;
  pointer-events: none;
}
@media (max-width: 600px){
  .hero-gallery{ grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); grid-auto-rows: 120px; column-gap: 12px; row-gap: 22px; }
}
.hero-inner{ position: relative; z-index: 2; }
.eyebrow{
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 16px;
  display: block;
}
.hero h1{
  font-size: clamp(2.4rem, 5.2vw, 3.8rem);
  font-weight: 800;
  color: var(--text-primary);
  max-width: 42ch;
}
.hero h1 .accent{ color: var(--teal-dark); }
.hero .lede{
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 56ch;
  margin-top: 16px;
}
.hero .lede strong{ color: var(--text-primary); font-weight: 600; }

.hero-facts{
  display: flex; flex-wrap: wrap; gap: 30px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}
.hero-fact dt{
  font-family: var(--mono); font-size: .66rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 6px;
}
.hero-fact dd{ margin: 0; font-size: .94rem; color: var(--text-primary); }
.hero-fact dd a{ text-decoration: none; color: var(--teal-dark); }
.hero-fact dd a:hover{ color: var(--navy-900); }

/* ---------- Hero split layout (home) ---------- */
.hero-grid{ display: grid; grid-template-columns: 1.3fr .9fr; gap: 44px; align-items: center; }
.hero-cta-row{ display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-stat-card{
  position: relative;
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 30px 28px;
  box-shadow: var(--shadow-lg);
  color: var(--text-primary);
}
.hero-stat-card::before{
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--teal), var(--teal-dark));
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.hero-stat-card .eyebrow{ color: var(--teal-dark); margin-bottom: 12px; }
.hero-stat-card .stat-big{
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(2rem, 3.6vw, 2.6rem);
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 6px;
}
.hero-stat-card .stat-label{ font-size: .9rem; color: var(--text-secondary); margin-bottom: 20px; }
.hero-stat-card .stat-row{
  display: flex; justify-content: space-between;
  padding: 9px 0;
  border-top: 1px solid var(--border-color);
  font-family: var(--mono); font-size: .8rem;
}
.hero-stat-card .stat-row dt{ color: var(--text-muted); }
.hero-stat-card .stat-row dd{ margin: 0; color: var(--text-primary); font-weight: 500; }

/* ---------- Animated protein visual (home hero) ---------- */
.hero-visual{
  display: flex; align-items: center; justify-content: center;
  min-height: 320px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(6px);
  perspective: 900px;
}
.protein-anim{
  width: 100%; max-width: 230px; height: auto; overflow: visible;
  transform-style: preserve-3d;
}
.protein-rotor{
  transform-box: fill-box;
  transform-origin: center;
  animation: proteinWobble 7s ease-in-out infinite;
}
.ligand-mol{
  transform-box: fill-box;
  transform-origin: 98px -32px;
  animation: ligandOrbit 9s linear infinite;
}
@keyframes proteinWobble{
  0%, 100% { transform: rotateY(-22deg) rotateX(4deg); }
  50%      { transform: rotateY(22deg) rotateX(-4deg); }
}
@keyframes ligandOrbit{
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce){
  .protein-rotor, .ligand-mol{ animation: none; }
}

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-stat-card{ max-width: 420px; }
}

/* ---------- Manifesto ---------- */
.manifesto{ padding: 56px 0; background: var(--bg-card); border-bottom: 1px solid var(--border-color); }
.manifesto p{
  font-family: var(--sans); font-weight: 700;
  font-size: clamp(1.35rem, 2.4vw, 1.8rem);
  line-height: 1.4; color: var(--text-primary);
  max-width: 24ch; margin: 0;
}
.manifesto p .hl{ color: var(--teal-dark); }

/* ---------- Sections ---------- */
.section{ padding: 68px 0; }
.section + .section{ border-top: 1px solid var(--border-color); }
.section-head{ max-width: 62ch; margin-bottom: 40px; }
.section-head .eyebrow{ color: var(--teal-dark); }
.section-head h2{ font-size: clamp(1.5rem, 2.6vw, 1.9rem); color: var(--text-primary); }
.section-head p{ color: var(--text-secondary); font-size: 1rem; }
.section-alt{ background: var(--bg-alt); }

/* ---------- Focus grid (home) ---------- */
.focus-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.focus-card{
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-slow), transform var(--transition-slow);
}
.focus-card:hover{ box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.focus-card .num{
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: var(--teal-light);
  color: var(--teal-dark);
  border-radius: var(--radius-md);
  font-family: var(--mono); font-size: .7rem; font-weight: 700;
}
.focus-card h3{ font-size: 1.15rem; margin-top: 14px; color: var(--text-primary); }
.focus-card p{ color: var(--text-secondary); font-size: .95rem; margin-bottom: 0; }

/* ---------- Stats strip (animated counters) ---------- */
.stats-strip{
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.stat-item{
  text-align: center;
  padding: 8px 12px;
}
.stat-item .stat-number{
  font-family: var(--sans); font-weight: 900;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  color: var(--teal-dark);
  line-height: 1;
}
.stat-item .stat-caption{
  margin-top: 10px;
  font-size: .92rem; color: var(--text-secondary); font-weight: 500;
}
@media (max-width: 640px){
  .stats-strip{ grid-template-columns: 1fr; gap: 32px; }
}

/* ---------- Project cards ---------- */
.project{
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  margin-bottom: 22px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  scroll-margin-top: 96px;
  transition: box-shadow var(--transition-slow), transform var(--transition-slow);
}
.project:hover{ box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.project-head{
  display: flex; align-items: baseline; justify-content: space-between; gap: 20px;
  padding: 22px 26px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}
.project-code{
  font-family: var(--mono); font-size: .72rem; font-weight: 600; letter-spacing: .02em;
  color: var(--teal-dark); background: var(--teal-light);
  padding: 4px 12px; border-radius: var(--radius-full);
}
.project-code.is-ai{ color: #6D4FC7; background: rgba(109,79,199,.1); }
.project-head h3{ font-size: 1.3rem; margin: 6px 0 0; flex-basis: 100%; color: var(--text-primary); }
.project-status{
  font-family: var(--sans); font-size: .74rem; font-weight: 700;
  padding: 4px 12px; border-radius: var(--radius-full);
  background: var(--green-bg); color: var(--green-text);
}
.project-status.is-pending{ background: var(--amber-bg); color: var(--amber-text); }
.project-status.is-submitted{ background: var(--blue-bg); color: var(--blue-text); }
.project-body{ padding: 24px 26px 28px; }
.project-body p{ color: var(--text-secondary); }
.project-body p:last-child{ margin-bottom: 0; }

.datatable{
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr));
  gap: 16px 24px;
  margin: 16px 0 4px;
  padding: 18px 20px;
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--teal);
}
.datatable div dt{
  font-family: var(--sans); font-size: .66rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 4px;
}
.datatable div dd{ margin: 0; font-family: var(--mono); font-size: .88rem; color: var(--text-primary); }

.tag-row{ margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag{
  font-family: var(--sans); font-size: .78rem; font-weight: 500;
  color: var(--teal-dark); background: var(--teal-light);
  border-radius: var(--radius-full);
  padding: 4px 12px;
}

.project-logo{
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  display: inline-flex; align-items: center;
  margin-bottom: 18px;
}
.project-logo img{ height: 60px; width: auto; display: block; }
.project-logo.is-square{ padding: 12px; }
.project-logo.is-square img{ height: 130px; }
.funding-note{ font-family: var(--mono); font-size: .78rem; color: var(--text-muted); margin-top: 4px; }

/* ---------- Team ---------- */
.people-grid{ display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: 20px; }

/* ---------- Featured PI card ---------- */
.person-featured{
  display: flex; align-items: center; gap: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  box-shadow: var(--shadow-md);
  margin-bottom: 28px;
}
.person-featured .person-photo{
  width: 168px; height: 168px;
  margin-bottom: 0;
  flex-shrink: 0;
}
.person-featured .role{ font-size: .8rem; }
.person-featured h3{ font-size: 1.7rem; margin-bottom: 8px; }
.person-featured p{ font-size: 1.02rem; max-width: 52ch; }
@media (max-width: 640px){
  .person-featured{ flex-direction: column; text-align: center; gap: 20px; padding: 30px 26px; }
  .person-featured p{ max-width: none; }
}

.person-card{
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 26px 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-slow), transform var(--transition-slow);
}
.person-card:hover{ box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.person-photo{
  width: 128px; height: 128px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 18px;
  border: 1px solid var(--border-color);
  background: var(--bg-alt);
  flex-shrink: 0;
}
.person-photo img{ width: 100%; height: 100%; object-fit: cover; }
.person-photo.is-placeholder{ display: flex; align-items: center; justify-content: center; }
.person-photo.is-placeholder span{ font-family: var(--sans); font-weight: 700; font-size: 2.1rem; color: var(--text-muted); }
.person-card .role{
  font-family: var(--sans); font-size: .74rem; font-weight: 600;
  color: var(--teal-dark); display: block; margin-bottom: 8px;
}
.person-card h3{ font-size: 1.1rem; margin-bottom: 6px; }
.person-card p{ color: var(--text-secondary); font-size: .92rem; margin-bottom: 0; }

.partner-list{ display: flex; flex-wrap: wrap; gap: 10px; }
.partner-chip{
  font-family: var(--sans); font-size: .82rem; font-weight: 500;
  border: 1px solid var(--border-color); background: var(--bg-card);
  border-radius: var(--radius-full);
  padding: 9px 16px;
  color: var(--text-primary);
}

/* ---------- Network grid (text-only collaborations) ---------- */
.network-grid{
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr));
  gap: 16px;
}
.network-item{
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}
.network-item:hover{ box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.network-item h4{
  font-family: var(--sans); font-weight: 700; font-size: .98rem;
  color: var(--text-primary); margin: 0 0 4px;
}
.network-item h4 a{ text-decoration: none; }
.network-item h4 a:hover{ color: var(--teal-dark); text-decoration: underline; }
.network-item p{
  font-size: .84rem; color: var(--text-muted); margin: 0;
}

/* ---------- Grants list ---------- */
.grants-list{ display: flex; flex-direction: column; gap: 14px; }
.grant-item{
  display: grid; grid-template-columns: 150px 1fr auto; gap: 18px; align-items: baseline;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}
.grant-period{ font-family: var(--mono); font-size: .78rem; color: var(--teal-dark); }
.grant-title{ font-weight: 600; color: var(--text-primary); margin-bottom: 2px; }
.grant-funder{ font-family: var(--sans); font-size: .84rem; color: var(--text-muted); }
.grant-link{ font-family: var(--mono); font-size: .78rem; color: var(--teal-dark); text-decoration: none; white-space: nowrap; }
.grant-link:hover{ color: var(--navy-900); }
@media (max-width: 700px){
  .grant-item{ grid-template-columns: 1fr; }
}

/* ---------- Publications ---------- */
.pub-list{ list-style: none; margin: 0; padding: 0; }
.pub-item{
  padding: 20px 22px; margin-bottom: 12px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--teal);
  box-shadow: var(--shadow-sm);
  display: grid; grid-template-columns: 74px 1fr; gap: 20px;
}
.pub-year{ font-family: var(--sans); font-weight: 800; color: var(--teal-dark); font-size: 1.1rem; }
.pub-title{ font-weight: 700; margin-bottom: 4px; color: var(--text-primary); }
.pub-meta{ font-family: var(--mono); font-size: .8rem; color: var(--text-muted); }
.pub-note{
  margin-top: 32px; padding: 18px 22px;
  background: var(--bg-alt); border-radius: var(--radius-md);
  border-left: 3px solid var(--teal);
  font-size: .9rem; color: var(--text-secondary);
}
.pub-note strong{ color: var(--text-primary); }

/* ---------- Links & callouts ---------- */
.link-arrow{
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--sans); font-size: .88rem; font-weight: 600;
  color: var(--teal-dark); text-decoration: none;
}
.link-arrow:hover{ color: var(--navy-900); }

.btn{
  display: inline-block;
  font-family: var(--sans); font-size: .88rem; font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  background: var(--teal); color: #fff;
  padding: 12px 26px;
  border: 1px solid var(--teal);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}
.btn:hover{
  background: var(--teal-dark); border-color: var(--teal-dark); color: #fff;
  transform: translateY(-1px); box-shadow: var(--shadow-md);
}
.btn-ghost{ background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost:hover{ background: rgba(255,255,255,.1); color: #fff; border-color: #fff; }
.btn-violet{ background: transparent; color: var(--teal-dark); border-color: var(--teal-dark); }
.btn-violet:hover{ background: var(--teal-dark); color: #fff; border-color: var(--teal-dark); }

/* ---------- Contact ---------- */
.contact-grid{ display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; }
.contact-block + .contact-block{ margin-top: 32px; }
.contact-block dt{
  font-family: var(--sans); font-size: 1rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  color: var(--teal-dark); margin-bottom: 8px;
}
.contact-block dd{ margin: 0 0 4px; font-size: 1rem; color: var(--text-primary); line-height: 1.5; }
.contact-block .muted-note{ color: var(--text-muted); font-size: 1rem; }
.contact-block .link-arrow{ font-size: 1rem; }
.contact-block dd a:not(.link-arrow){ font-size: 1rem; color: var(--teal-dark); text-decoration: none; }
.contact-block dd a:not(.link-arrow):hover{ color: var(--navy-900); }

/* ---------- Footer (solid dark navy, 4 columns) ---------- */
.site-footer{
  background: #EEF6F4;
  color: var(--text-secondary);
  padding: 56px 0 26px;
  border-top: 1px solid var(--border-color);
}
.site-footer .wrap{
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 28px;
}
.site-footer .foot-col h5{
  font-family: var(--sans); font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--text-primary); margin: 0 0 14px;
}
.site-footer .foot-logo{ font-family: var(--sans); font-weight: 800; color: var(--text-primary); font-size: 1.05rem; }
.site-footer .foot-meta{ font-family: var(--sans); font-size: .84rem; line-height: 1.9; color: var(--text-secondary); }
.site-footer a{ color: var(--text-secondary); text-decoration: none; }
.site-footer a:hover{ color: var(--teal-dark); }
.footer-affiliation{
  background: transparent;
  padding: 8px 0;
  display: flex; align-items: center; justify-content: flex-start;
  width: fit-content;
  margin-top: 16px; margin-left: 0;
}
.footer-affiliation img{ height: 70px; width: auto; display: block; }
.social-links{ display: flex; gap: 12px; margin-top: 14px; }
.social-links a{
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}
.social-links a:hover{ color: var(--teal-dark); border-color: var(--teal-dark); background: var(--teal-light); }
.social-links svg{ width: 22px; height: 22px; fill: currentColor; }
.footer-copyright{
  text-align: center;
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--border-color);
  font-size: .76rem;
  color: var(--text-muted);
  max-width: var(--maxw);
  margin-left: auto; margin-right: auto;
  padding-left: 28px; padding-right: 28px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px){
  .header-right{ display: none; }
  .nav-right-group{ gap: 10px; }
}
@media (max-width: 860px){
  .focus-grid{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; gap: 36px; }
  .pub-item{ grid-template-columns: 1fr; gap: 6px; }
  .site-footer .wrap{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px){
  nav.main-nav{
    position: fixed; inset: 72px 0 0 0; background: #fff;
    transform: translateX(100%); transition: transform .2s ease;
    padding: 20px 0; overflow-y: auto;
  }
  nav.main-nav.open{ transform: translateX(0); }
  nav.main-nav ul{ flex-direction: column; padding: 0 28px; }
  nav.main-nav a{ padding: 16px 6px; font-size: 1.1rem; white-space: normal; text-align: right; border-bottom: 1px solid var(--border-color); }
  nav.main-nav a.active::after{ display: none; }
  .nav-toggle{ display: block; }
  .header-right{ display: none; }
  .hero{ padding: 52px 0 56px; }
  .hero-facts{ gap: 20px; }
  .site-footer .wrap{ grid-template-columns: 1fr; }
}

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

/* ---------- Scroll reveal ---------- */
.reveal{ opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity: 1; transform: none; transition: none; }
}

/* ---------- Animated stat counters ---------- */
.stat-counter{ font-variant-numeric: tabular-nums; }