/* ============================================================
   LiLab — Custom CSS
   Supplements Tailwind CDN. All brand decisions live here.
   ============================================================ */

html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; }

/* ── Nav ─────────────────────────────────────────────────── */
#main-nav {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
#main-nav.scrolled {
  background: rgba(13, 27, 42, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.08);
}

/* ── Hero backgrounds ────────────────────────────────────── */
.hero-bg {
  background: linear-gradient(135deg, #0d1b2a 0%, #1b263b 55%, #1a0a2e 100%);
  position: relative;
  overflow: hidden;
}
.page-hero {
  background: linear-gradient(135deg, #0d1b2a 0%, #1b263b 100%);
  min-height: 44vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 4rem;
  position: relative;
  overflow: hidden;
}
.hero-img-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.18;
}

/* ── Laser glow blobs ────────────────────────────────────── */
.glow-red {
  position: absolute; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(230,57,70,0.22) 0%, transparent 70%);
}
.glow-cyan {
  position: absolute; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(76,201,240,0.18) 0%, transparent 70%);
}
.glow-green {
  position: absolute; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(0,160,80,0.16) 0%, transparent 70%);
}

/* ── Typography helpers ──────────────────────────────────── */
.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #e63946;
  margin-bottom: 0.6rem;
  display: block;
}
.font-display { font-family: 'Space Grotesk', sans-serif; }

/* ── Cards ───────────────────────────────────────────────── */
.card-hover {
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.12);
}

/* ── Publication cards ───────────────────────────────────── */
.pub-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 0 0.5rem 0.5rem 0;
  padding: 1rem 1.25rem;
  margin-bottom: 0.625rem;
  transition: box-shadow 0.18s;
}
.pub-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.07); }
.pub-card.accent-red  { border-left: 3px solid #e63946; }
.pub-card.accent-blue { border-left: 3px solid #003087; }
.pub-card.accent-green{ border-left: 3px solid #006633; }

/* ── Gallery / photo strip ───────────────────────────────── */
.photo-item {
  position: relative;
  overflow: hidden;
  border-radius: 0.5rem;
  cursor: pointer;
  display: block;
}
.photo-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  display: block;
}
.photo-item:hover img { transform: scale(1.06); }
.photo-overlay {
  position: absolute; inset: 0;
  background: rgba(13,27,42,0.5);
  opacity: 0; transition: opacity 0.28s;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.5rem;
}
.photo-item:hover .photo-overlay { opacity: 1; }

/* ── Join Us page ────────────────────────────────────────── */
.pillar-card {
  background: #fff;
  border-radius: 1rem;
  padding: 2rem;
  border: 1px solid #e2e8f0;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.1);
}

/* ── Member card ─────────────────────────────────────────── */
.member-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1.5rem 1rem;
  text-align: center;
  transition: transform 0.22s, box-shadow 0.22s;
}
.member-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.09);
}
.member-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 0.75rem;
  background: #e2e8f0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: #94a3b8;
  overflow: hidden;
}

/* ── Responsive video embed ──────────────────────────────── */
.video-wrap {
  position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;
  border-radius: 0.75rem;
}
.video-wrap video {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover;
}

/* ── Stat pill ───────────────────────────────────────────── */
.stat-pill {
  display: flex; flex-direction: column; gap: 0.1rem;
}
.stat-pill .num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.75rem; font-weight: 800; line-height: 1;
}
.stat-pill .lbl {
  font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  opacity: 0.55;
}

/* ── Mobile menu open state ──────────────────────────────── */
#mobile-menu { display: none; }
#mobile-menu.open { display: flex; }

/* ── AOS overrides — 40px rise instead of default 100px ─── */
/* No !important: cascade order wins for initial state;      */
/* AOS's higher-specificity .aos-animate rule wins for end.  */
[data-aos="fade-up"]    { transform: translate3d(0, 40px, 0); }
[data-aos="fade-down"]  { transform: translate3d(0, -40px, 0); }
[data-aos="fade-left"]  { transform: translate3d(40px, 0, 0); }
[data-aos="fade-right"] { transform: translate3d(-40px, 0, 0); }