/* ============================================================
   PSYCHOPHYSIOLOGY LAB — Premium Design System v2
   Ultra-dark · Glassmorphism · Neon accents · Micro-animations
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── CSS Variables ──────────────────────────────────────────── */
:root {
  --bg-primary:     #04060f;
  --bg-secondary:   #080d1e;
  --bg-card:        rgba(255,255,255,0.035);
  --bg-card-hover:  rgba(255,255,255,0.07);
  --bg-card-strong: rgba(255,255,255,0.06);
  --border:         rgba(255,255,255,0.06);
  --border-hover:   rgba(108,99,255,0.45);
  --border-glow:    rgba(108,99,255,0.2);

  --accent:         #7C6FFF;
  --accent-2:       #00E5FF;
  --accent-3:       #FF6B9D;
  --accent-green:   #00D464;
  --accent-gold:    #FFD748;

  --gradient:       linear-gradient(135deg, #7C6FFF 0%, #00E5FF 100%);
  --gradient-alt:   linear-gradient(135deg, #FF6B9D 0%, #7C6FFF 100%);
  --gradient-gold:  linear-gradient(135deg, #FFD748 0%, #FF6B9D 100%);

  --glow-purple:    0 0 40px rgba(124,111,255,0.25);
  --glow-cyan:      0 0 40px rgba(0,229,255,0.2);

  --text-primary:   #EEF0FF;
  --text-secondary: #8892B0;
  --text-muted:     #4A5175;

  --nav-height:     108px;
  --radius:         18px;
  --radius-sm:      10px;
  --radius-xs:      6px;
  --transition:     0.3s cubic-bezier(0.4,0,0.2,1);
  --transition-slow:0.6s cubic-bezier(0.4,0,0.2,1);
  --shadow:         0 12px 40px rgba(0,0,0,0.5);
  --shadow-card:    0 4px 24px rgba(0,0,0,0.3);
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}
h1,h2,h3,h4,h5,h6 {
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.2;
  font-weight: 700;
  color: var(--text-primary);
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-2); }
img { max-width: 100%; display: block; }

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: linear-gradient(to bottom, var(--accent), var(--accent-2)); border-radius: 3px; }

/* ── Scroll Progress Bar ────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  width: 0%;
  z-index: 10001;
  transition: width 0.1s ease-out;
}

/* ── Grid lines background ──────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(124,111,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,111,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* ── Utility ────────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 28px; position: relative; }
.section { padding: 110px 0; }
.section-sm { padding: 64px 0; }

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-gold {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(124,111,255,0.2);
  background: rgba(124,111,255,0.08);
  color: var(--accent-2);
  margin-bottom: 20px;
  backdrop-filter: blur(10px);
}

.section-header { text-align: center; margin-bottom: 72px; }
.section-header h2 { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: 16px; }
.section-header p { font-size: 1.05rem; color: var(--text-secondary); max-width: 560px; margin: 0 auto; line-height: 1.8; }

/* ── Glass Card ─────────────────────────────────────────────── */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(124, 111, 255, 0.08),
    transparent 40%
  );
  pointer-events: none;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}
.glass-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, transparent 60%);
  pointer-events: none;
  border-radius: inherit;
  z-index: 2;
}
.glass-card:hover::before {
  opacity: 1;
}
.glass-card > * {
  position: relative;
  z-index: 3;
}
.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: var(--glow-purple), var(--shadow-card);
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 50px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition);
  border-radius: inherit;
}
.btn:hover::after { background: rgba(255,255,255,0.08); }

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 24px rgba(124,111,255,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(124,111,255,0.6);
  color: #fff;
}
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(124,111,255,0.15);
}
.btn-glow {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  box-shadow: 0 0 20px rgba(124,111,255,0.15), inset 0 0 20px rgba(124,111,255,0.05);
}
.btn-glow:hover {
  background: rgba(124,111,255,0.1);
  box-shadow: 0 0 30px rgba(124,111,255,0.4), inset 0 0 30px rgba(124,111,255,0.1);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn-sm { padding: 9px 20px; font-size: 0.82rem; }

/* ── Navbar ─────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: all var(--transition);
}
.navbar.scrolled {
  background: rgba(4,6,15,0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 28px;
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
}
.nav-logo img {
  height: 88px; width: auto;
  object-fit: contain;
  transition: transform var(--transition);
}
.nav-logo img:hover { transform: scale(1.04); }
.nav-logo-icon {
  width: 42px; height: 42px;
  background: var(--gradient);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 16px rgba(124,111,255,0.4);
  flex-shrink: 0;
}
.nav-logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800; font-size: 1rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.nav-logo-secondary {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
  margin-left: 12px;
}
.nav-logo-secondary img {
  height: 88px; width: auto;
  object-fit: contain;
  transition: transform var(--transition);
}
.nav-logo-secondary img:hover { transform: scale(1.04); }
.nav-logo-icon-secondary {
  width: 42px; height: 42px;
  background: var(--gradient-alt);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 16px rgba(255,107,157,0.4);
  flex-shrink: 0;
}
.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; }
.nav-links a {
  color: #C8D0E8;
  font-size: 0.9rem; font-weight: 600;
  padding: 7px 13px; border-radius: var(--radius-sm);
  transition: all var(--transition);
  letter-spacing: 0.02em;
}
.nav-links a:hover, .nav-links a.active {
  color: #ffffff;
  background: rgba(255,255,255,0.08);
  text-shadow: 0 0 12px rgba(124,111,255,0.5);
}
.nav-cta { margin-left: 10px; }
.nav-right {
  display: flex; align-items: center; gap: 10px; flex-shrink: 0;
}
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 4px;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px; transition: all var(--transition);
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding-top: var(--nav-height);
}
.hero-bg {
  position: absolute; inset: 0;
  background: var(--bg-primary);
}
.hero-bg img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0.72;
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 20% 50%, rgba(124,111,255,0.12) 0%, transparent 55%),
    radial-gradient(ellipse 50% 50% at 80% 20%, rgba(0,229,255,0.08) 0%, transparent 55%),
    linear-gradient(to bottom, rgba(4,6,15,0.35) 0%, transparent 45%, rgba(4,6,15,0.75) 100%);
  z-index: 1;
}
.hero-orb-wrap {
  position: absolute;
  pointer-events: none;
  animation: orbFloat 8s ease-in-out infinite;
  z-index: 1;
}
.wrapper-1 {
  top: -200px; left: -100px;
  width: 600px; height: 600px;
}
.wrapper-2 {
  bottom: -100px; right: 10%;
  width: 400px; height: 400px;
  animation-delay: -4s;
}
.hero-orb {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.1, 0.8, 0.3, 1);
}
.hero-orb-1 {
  background: radial-gradient(circle, rgba(124,111,255,0.14) 0%, transparent 70%);
}
.hero-orb-2 {
  background: radial-gradient(circle, rgba(0,229,255,0.12) 0%, transparent 70%);
}
@keyframes orbFloat {
  0%,100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-25px) scale(1.03); }
}
.hero-particles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.particle {
  position: absolute;
  border-radius: 50%;
  animation: floatParticle linear infinite;
}
@keyframes floatParticle {
  0%   { transform: translateY(110vh) scale(0); opacity:0; }
  10%  { opacity:0.8; transform: translateY(90vh) scale(1); }
  90%  { opacity:0.6; }
  100% { transform: translateY(-10vh) scale(0.5); opacity:0; }
}
.hero .container { width: 100%; }
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
  padding: 36px 0 28px;
}
.hero-content h1, .hero-content h2, .hero-content h3 {
  font-size: 4.45rem;
  font-weight: 800;
  line-height: 1.04;
  margin-bottom: 26px;
  letter-spacing: 0;
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
  text-shadow:
    0 0 60px rgba(124,111,255,0.45),
    0 4px 24px rgba(0,0,0,0.75),
    0 2px 6px rgba(0,0,0,0.9);
  /* Gradient shimmer on heading */
  background: linear-gradient(
    135deg,
    #ffffff 0%,
    #c8d0ff 40%,
    #00e5ff 70%,
    #ffffff 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: heroTextShimmer 5s linear infinite;
}
.hero-content h1 br, .hero-content h2 br, .hero-content h3 br {
  display: none;
}
@keyframes heroTextShimmer {
  0%   { background-position: 0% center; }
  100% { background-position: 200% center; }
}
.hero-content p {
  font-size: 1.15rem;
  color: #EEF0FF;
  margin-bottom: 44px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
  font-weight: 400;
  letter-spacing: 0.01em;
  /* Subtle frosted-glass pill behind text */
  background: rgba(4, 6, 15, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 18px 24px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.06);
  text-shadow: 0 1px 8px rgba(0,0,0,0.7);
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-scroll {
  position: absolute; bottom: 40px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--text-muted); font-size: 0.7rem;
  letter-spacing: 0.15em; text-transform: uppercase;
  animation: scrollBounce 2.5s ease infinite;
}
.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, rgba(124,111,255,0.6), transparent);
}
@keyframes scrollBounce {
  0%,100% { transform: translateX(-50%) translateY(0); opacity:0.6; }
  50%      { transform: translateX(-50%) translateY(10px); opacity:1; }
}

/* ── Stats ───────────────────────────────────────────────────── */
.stats-section {
  padding: 56px 0;
  position: relative;
}
.stats-section::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(124,111,255,0.04), transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px;
}
.stat-item {
  text-align: center;
  padding: 28px 16px;
  border-radius: var(--radius);
  position: relative;
  transition: all var(--transition);
}
.stat-item:hover { background: var(--bg-card); }
.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.8rem; font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1; margin-bottom: 8px;
  letter-spacing: -0.03em;
}
.stat-label { color: var(--text-muted); font-size: 0.82rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }

/* ── Research Cards ─────────────────────────────────────────── */
.research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}
.research-card { padding: 32px; }
.research-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 22px;
  box-shadow: 0 6px 24px rgba(124,111,255,0.35);
  position: relative;
}
.research-icon::after {
  content: '';
  position: absolute; inset: -4px;
  border-radius: 18px;
  background: var(--gradient);
  opacity: 0.15;
  z-index: -1;
}
.research-card h3 { font-size: 1.15rem; margin-bottom: 12px; }
.research-card h3 a { color: inherit; transition: color var(--transition); }
.research-card h3 a:hover { color: var(--accent); }
.research-card .rich-content, .research-card p {
  color: var(--text-secondary); font-size: 0.92rem; line-height: 1.75;
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
}

/* ── Team ───────────────────────────────────────────────────── */
.team-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 20px; }
.team-card { padding: 32px 24px; text-align: center; }
.team-avatar {
  width: 96px; height: 96px;
  border-radius: 50%;
  margin: 0 auto 18px;
  overflow: hidden;
  border: 2px solid transparent;
  background: linear-gradient(var(--bg-secondary), var(--bg-secondary)) padding-box,
              var(--gradient) border-box;
  box-shadow: 0 0 24px rgba(124,111,255,0.2);
  transition: all var(--transition);
}
.team-card:hover .team-avatar { box-shadow: 0 0 40px rgba(124,111,255,0.4); transform: scale(1.05); }
.team-avatar img { width: 100%; height: 100%; object-fit: cover; }
.team-avatar-placeholder {
  width: 96px; height: 96px; border-radius: 50%;
  margin: 0 auto 18px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; font-weight: 800; color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  box-shadow: 0 0 24px rgba(124,111,255,0.3);
}
.team-card h3 { font-size: 1rem; margin-bottom: 6px; }
.team-role {
  font-size: 0.72rem; color: var(--accent-2);
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; margin-bottom: 16px;
}
.team-links { display: flex; justify-content: center; gap: 8px; }
.team-link {
  width: 32px; height: 32px; border-radius: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem; color: var(--text-muted);
  transition: all var(--transition);
}
.team-link:hover {
  background: var(--gradient); border-color: transparent;
  color: #fff; transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(124,111,255,0.4);
}

/* ── Publications ───────────────────────────────────────────── */
.pub-list { display: flex; flex-direction: column; gap: 14px; }
.pub-card {
  padding: 24px 28px;
  display: flex; gap: 24px; align-items: flex-start;
}
.pub-card::after {
  content: '';
  position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 60%;
  background: var(--gradient);
  border-radius: 0 2px 2px 0;
  opacity: 0;
  transition: opacity var(--transition);
}
.pub-card:hover::after { opacity: 1; }
.pub-year {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem; font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  min-width: 56px; line-height: 1; padding-top: 4px;
  letter-spacing: -0.03em;
}
.pub-content { flex: 1; }
.pub-title { font-size: 0.98rem; font-weight: 600; margin-bottom: 6px; color: var(--text-primary); }
.pub-authors { font-size: 0.84rem; color: var(--text-secondary); margin-bottom: 4px; }
.pub-journal { font-size: 0.84rem; color: var(--accent-2); font-style: italic; margin-bottom: 14px; }
.pub-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.pub-featured-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 50px; font-size: 0.68rem; font-weight: 700;
  background: rgba(124,111,255,0.1); color: var(--accent);
  border: 1px solid rgba(124,111,255,0.25); text-transform: uppercase;
  letter-spacing: 0.05em; margin-bottom: 8px;
}

/* ── News Cards ─────────────────────────────────────────────── */
.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 20px; }
.news-card { overflow: hidden; }
.news-card-img {
  height: 200px; overflow: hidden; position: relative;
}
.news-card-img::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(4,6,15,0.6) 0%, transparent 60%);
}
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.news-card:hover .news-card-img img { transform: scale(1.07); }
.news-img-placeholder {
  height: 200px;
  background: linear-gradient(135deg, var(--bg-secondary), rgba(124,111,255,0.06));
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; border-bottom: 1px solid var(--border);
}
.news-card-body { padding: 24px; }
.news-type-badge {
  display: inline-flex; padding: 3px 10px; border-radius: 50px;
  font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 12px;
}
.news-type-news        { background:rgba(124,111,255,0.1); color:var(--accent); border:1px solid rgba(124,111,255,0.25); }
.news-type-event       { background:rgba(0,229,255,0.08); color:var(--accent-2); border:1px solid rgba(0,229,255,0.25); }
.news-type-award       { background:rgba(255,215,72,0.1); color:var(--accent-gold); border:1px solid rgba(255,215,72,0.25); }
.news-type-announcement{ background:rgba(255,107,157,0.08); color:var(--accent-3); border:1px solid rgba(255,107,157,0.25); }
.news-card-body h3 { font-size: 1rem; margin-bottom: 10px; line-height: 1.45; }
.news-meta { display:flex; align-items:center; gap:12px; font-size:0.8rem; color:var(--text-muted); margin-bottom:14px; }
.news-excerpt { color:var(--text-secondary); font-size:0.88rem; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; margin-bottom:16px; }

/* ── Gallery ────────────────────────────────────────────────── */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.gallery-item { border-radius: var(--radius); overflow: hidden; position: relative; aspect-ratio: 4/3; cursor: zoom-in; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(4,6,15,0.85) 0%, rgba(4,6,15,0.2) 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: flex-end;
  padding: 20px; opacity: 0; transition: opacity var(--transition);
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span { color: #fff; font-weight: 600; font-size: 0.88rem; text-align: center; }

/* ── Contact ────────────────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 40px; }
.contact-info { padding: 36px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 28px; }
.contact-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(124,111,255,0.3);
}
.contact-item h4 { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 4px; font-weight: 700; }
.contact-item p, .contact-item a { color: var(--text-secondary); font-size: 0.92rem; }
.contact-form-wrap { padding: 36px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.75rem; font-weight: 700; color: var(--text-muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.08em; }
.form-control {
  width: 100%; padding: 13px 18px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary); font-size: 0.92rem;
  font-family: 'Inter', sans-serif;
  transition: all var(--transition); outline: none;
}
.form-control:focus {
  border-color: var(--accent);
  background: rgba(124,111,255,0.05);
  box-shadow: 0 0 0 3px rgba(124,111,255,0.1);
}
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { resize: vertical; min-height: 140px; }

/* ── Messages ───────────────────────────────────────────────── */
.messages-list { list-style: none; }
.message-item {
  padding: 14px 18px; border-radius: var(--radius-sm);
  font-size: 0.9rem; margin-bottom: 8px;
  border: 1px solid; backdrop-filter: blur(12px);
  display: flex; align-items: center; gap: 10px;
}
.message-success { background: rgba(0,212,100,0.08); border-color: rgba(0,212,100,0.25); color: var(--accent-green); }
.message-error   { background: rgba(255,70,70,0.08); border-color: rgba(255,70,70,0.25); color: #FF4646; }
.message-info    { background: rgba(124,111,255,0.08); border-color: rgba(124,111,255,0.25); color: var(--accent); }

/* ── Page Banner ────────────────────────────────────────────── */
.page-banner {
  padding: calc(var(--nav-height) + 64px) 0 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute; inset: 0;
  background:
    /* radial-gradient(ellipse 80% 70% at 50% 0%, rgba(124,111,255,0.1) 0%, transparent 70%), */
    linear-gradient(to bottom, transparent 60%, var(--bg-primary));
  pointer-events: none;
}
.page-banner h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); margin-bottom: 16px; }
.page-banner p { color: var(--text-secondary); font-size: 1.05rem; max-width: 580px; margin: 0 auto; line-height: 1.8; }
.breadcrumb {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 20px;
}
.breadcrumb a { color: var(--text-muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--text-secondary); }

/* ── Rich Content ───────────────────────────────────────────── */
.rich-content h2 { font-size: 1.5rem; margin: 32px 0 14px; color: var(--text-primary); }
.rich-content h3 { font-size: 1.15rem; margin: 24px 0 10px; color: var(--accent-2); }
.rich-content p  { color: var(--text-secondary); margin-bottom: 14px; line-height: 1.8; }
.rich-content ul, .rich-content ol { color: var(--text-secondary); padding-left: 22px; margin-bottom: 14px; }
.rich-content li { margin-bottom: 6px; line-height: 1.7; }
.rich-content a  { color: var(--accent); border-bottom: 1px solid rgba(124,111,255,0.3); }
.rich-content a:hover { border-color: var(--accent); }
.rich-content strong { color: var(--text-primary); font-weight: 600; }
.rich-content img { border-radius: var(--radius-sm); margin: 16px 0; border: 1px solid var(--border); }
.rich-content blockquote {
  border-left: 3px solid var(--accent); padding: 14px 22px; margin: 20px 0;
  background: rgba(124,111,255,0.05); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary); font-style: italic;
}
.rich-content code {
  font-family: 'JetBrains Mono', monospace;
  background: rgba(124,111,255,0.1); padding: 2px 8px; border-radius: 4px;
  font-size: 0.88em; color: var(--accent-2);
}

/* ── Filters ────────────────────────────────────────────────── */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-pill {
  padding: 8px 18px; border-radius: 50px; font-size: 0.82rem; font-weight: 600;
  border: 1px solid var(--border); background: rgba(255,255,255,0.03);
  color: var(--text-secondary); cursor: pointer; transition: all var(--transition);
  text-decoration: none;
}
.filter-pill:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.filter-pill.active {
  background: var(--gradient); border-color: transparent; color: #fff;
  box-shadow: 0 4px 16px rgba(124,111,255,0.3);
}

/* ── Pagination ─────────────────────────────────────────────── */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 52px; list-style: none; }
.pagination .page-link {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-secondary); font-size: 0.88rem; font-weight: 600;
  transition: all var(--transition);
}
.pagination .page-link:hover { border-color: var(--accent); color: var(--accent); }
.pagination .active .page-link { background: var(--gradient); border-color: transparent; color: #fff; box-shadow: 0 4px 16px rgba(124,111,255,0.4); }

/* ── Team PI card ───────────────────────────────────────────── */
.role-section { margin-bottom: 64px; }
.role-label {
  font-size: 0.72rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--accent); margin-bottom: 24px;
  padding-bottom: 12px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.role-label::before { content: ''; width: 24px; height: 2px; background: var(--gradient); border-radius: 1px; }
.pi-card { display: grid; grid-template-columns: auto 1fr; gap: 40px; align-items: start; padding: 40px; max-width: 860px; }
.pi-photo { width: 130px; height: 130px; border-radius: 50%; overflow: hidden; border: 2px solid transparent; background: linear-gradient(var(--bg-secondary), var(--bg-secondary)) padding-box, var(--gradient) border-box; box-shadow: 0 0 32px rgba(124,111,255,0.25); }
.pi-photo img { width: 100%; height: 100%; object-fit: cover; }
.pi-placeholder { width: 130px; height: 130px; border-radius: 50%; background: var(--gradient); display: flex; align-items: center; justify-content: center; font-size: 2.5rem; color: #fff; font-family: 'Space Grotesk', sans-serif; font-weight: 800; }
.pi-name { font-size: 1.7rem; margin-bottom: 6px; letter-spacing: -0.02em; }
.pi-role { color: var(--accent-2); font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }

/* ── Footer ─────────────────────────────────────────────────── */
.footer { background: var(--bg-secondary); border-top: 1px solid var(--border); padding: 72px 0 36px; position: relative; }
.footer::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124,111,255,0.4), rgba(0,229,255,0.4), transparent);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 52px; margin-bottom: 52px; }
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p { color: var(--text-muted); font-size: 0.88rem; max-width: 240px; line-height: 1.8; }
.footer-social { display: flex; gap: 8px; margin-top: 22px; }
.social-link {
  width: 36px; height: 36px; border-radius: 9px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; color: var(--text-muted); transition: all var(--transition);
}
.social-link:hover { background: var(--gradient); border-color: transparent; color: #fff; transform: translateY(-3px); box-shadow: 0 6px 18px rgba(124,111,255,0.4); }
.footer-col h4 { font-size: 0.72rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-secondary); margin-bottom: 20px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 11px; }
.footer-links a { color: var(--text-muted); font-size: 0.88rem; transition: all var(--transition); }
.footer-links a:hover { color: var(--text-primary); padding-left: 4px; }
.footer-bottom { padding-top: 30px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { color: var(--text-muted); font-size: 0.82rem; }

/* ── Achievement Badges ─────────────────────────────────────── */
.ach-badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px; border-radius: 50px;
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em; border: 1px solid;
}
.ach-award       { background:rgba(255,215,72,0.1);  color:#FFD748; border-color:rgba(255,215,72,0.3); }
.ach-grant       { background:rgba(0,212,100,0.1);   color:#00D464; border-color:rgba(0,212,100,0.3); }
.ach-recognition { background:rgba(124,111,255,0.1); color:var(--accent); border-color:rgba(124,111,255,0.3); }
.ach-milestone   { background:rgba(0,229,255,0.1);   color:var(--accent-2); border-color:rgba(0,229,255,0.3); }
.ach-publication { background:rgba(255,107,157,0.1); color:var(--accent-3); border-color:rgba(255,107,157,0.3); }
.ach-other       { background:rgba(160,168,192,0.08);color:var(--text-secondary); border-color:rgba(160,168,192,0.25); }
.ach-icon-box { width:52px; height:52px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:1.4rem; flex-shrink:0; }
.ach-icon-award       { background: rgba(255,215,72,0.1); }
.ach-icon-grant       { background: rgba(0,212,100,0.1); }
.ach-icon-recognition { background: rgba(124,111,255,0.1); }
.ach-icon-milestone   { background: rgba(0,229,255,0.1); }
.ach-icon-publication { background: rgba(255,107,157,0.1); }
.ach-icon-other       { background: rgba(160,168,192,0.08); }

/* ── Language Switcher ──────────────────────────────────────── */
.lang-switcher { position: relative; }
.lang-btn {
  display: flex; align-items: center; gap: 5px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 7px 13px;
  color: var(--text-primary); font-size: 0.83rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition);
  font-family: 'Space Grotesk', sans-serif;
}
.lang-btn:hover { border-color: var(--accent); color: var(--accent); background: rgba(124,111,255,0.06); }
.lang-dropdown {
  display: none; position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-sm); overflow: hidden;
  min-width: 140px; box-shadow: var(--shadow); z-index: 200;
  backdrop-filter: blur(20px);
}
.lang-switcher:hover .lang-dropdown, .lang-dropdown.open { display: block; }
.lang-option {
  display: block; width: 100%; text-align: left;
  padding: 10px 16px; background: none; border: none;
  color: var(--text-secondary); font-size: 0.86rem;
  font-family: 'Inter', sans-serif; cursor: pointer;
  transition: all var(--transition);
}
.lang-option:hover { background: rgba(255,255,255,0.04); color: var(--text-primary); }
.lang-option.active { color: var(--accent); font-weight: 600; background: rgba(124,111,255,0.06); }

/* ── Animations ─────────────────────────────────────────────── */
.fade-up { opacity: 0; transform: translateY(32px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up:nth-child(1){transition-delay:0.0s} .fade-up:nth-child(2){transition-delay:0.1s}
.fade-up:nth-child(3){transition-delay:0.2s} .fade-up:nth-child(4){transition-delay:0.3s}
.fade-up:nth-child(5){transition-delay:0.4s} .fade-up:nth-child(6){transition-delay:0.5s}

/* ── Section divider ────────────────────────────────────────── */
.section-alt { background: var(--bg-secondary); }
.section-glow {
  position: relative;
}
.section-glow::before {
  content: '';
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 600px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124,111,255,0.5), rgba(0,229,255,0.5), transparent);
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-content h1, .hero-content h2, .hero-content h3 { font-size: 3.5rem; }
}
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-logo img, .nav-logo-secondary img { height: 60px; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: var(--nav-height); left: 0; right: 0;
    background: rgba(4,6,15,0.97); backdrop-filter: blur(24px);
    padding: 20px; border-bottom: 1px solid var(--border);
    gap: 4px; z-index: 999;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1/-1; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .pi-card { grid-template-columns: 1fr; }
  .hero-content { padding: 28px 0 22px; }
  .hero-content h1, .hero-content h2, .hero-content h3 {
    font-size: 2.6rem;
    line-height: 1.1;
  }
  .pub-card { flex-direction: column; gap: 10px; }
}
@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .research-grid, .team-grid, .news-grid, .gallery-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 4px; }
  .hero { min-height: 92vh; }
  .hero-content { text-align: left; }
  .hero-content h1, .hero-content h2, .hero-content h3 { font-size: 2.15rem; }
  .hero-content h1 br, .hero-content h2 br, .hero-content h3 br { display: block; }
  .hero-content p {
    font-size: 1rem;
    padding: 16px 18px;
    margin-bottom: 30px;
  }
  .hero-actions { flex-direction: column; }
}