.nav-btn {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(26, 26, 26, 0.8);
  backdrop-filter: blur(4px);
  border: 2px solid #214E34;
  color: #214E34;
  font-size: 1.6rem;
  font-weight: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s;
  user-select: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.6);
}

.nav-btn:hover {
  background: #2a2a2a;
  border-color: #7DC89A;
  color: #7DC89A;
  transform: translateY(-50%) scale(1.05);
}

.nav-btn.left  { left: 1.2rem; }
.nav-btn.right { right: 1.2rem; }

@media (max-width: 600px) {
  .nav-btn { width: 36px; height: 36px; font-size: 1.2rem; }
  .nav-btn.left  { left: 0.6rem; }
  .nav-btn.right { right: 0.6rem; }
}

.page-indicator {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex;
  gap: 0.6rem;
  background: rgba(15, 15, 15, 0.8);
  padding: 0.4rem 1rem;
  border-radius: 40px;
  backdrop-filter: blur(4px);
  border: 1px solid #2a2a2a;
}

.page-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  cursor: pointer;
  transition: all 0.25s;
}

.page-dot.active {
  background: #214E34;
  border-color: #214E34;
  transform: scale(1.2);
}

.page-dot:hover { background: #3a3a3a; }