/* ---------- Navbar Buttons ---------- */
.nav-btn {
  position: relative;
  padding: 8px 16px;
  font-weight: 500;
  border: none;
  background: transparent;
  cursor: pointer;
  color: #1f2937;
  transition: color 0.3s;
}
.nav-btn::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background-color: #3b82f6;
  transition: width 0.3s;
}
.nav-btn:hover {
  color: #1d4ed8;
}
.nav-btn:hover::after {
  width: 100%;
}
.nav-btn.active {
  color: #1d4ed8;
}
.nav-btn.active::after {
  width: 100%;
  background-color: #1d4ed8;
}

/* ---------- Banner ---------- */
.banner {
  width: 100%;
  height: 461px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  margin-top: 70px;
  position: relative;
  overflow: hidden;
}
.banner::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  top: 0;
  left: 0;
}
.banner h1 {
  position: relative;
  font-size: 40px;
  text-transform: uppercase;
  letter-spacing: 2px;
  z-index: 1;
  animation: fadeIn 2s ease;
  text-align: center;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Gallery ---------- */
.gallery-section { margin-top: 40px; }

.gallery-img,
.gallery-video {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.gallery-img:hover,
.gallery-video:hover {
  transform: scale(1.03);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* ---------- Fade-up Animation ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.7s ease-out;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Popup (Lightbox) ---------- */
.popup img {
  transition: all 0.4s ease;
}
.popup.active img {
  transform: scale(1);
  opacity: 1;
}

/* ---------- Toggle Switch -------------*/
#toggleKnob {
  transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}
.text-white { color: white !important; }