/* HEADER */
.burger {
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 2100;
  background: none;
  border: none;
  padding: 10px;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.burger:hover {
  background: rgba(255, 255, 255, 0.1);
}

.burger span {
  width: 30px;
  height: 3px;
  background: var(--white);
  transition: all 0.4s cubic-bezier(0.68, -0.6, 0.32, 1.6);
  position: relative;
}

.burger span::before {
  content: '';
  position: absolute;
  width: 100%; height: 100%;
  background: var(--accent);
  top: 0; left: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.burger:hover span::before {
  opacity: 1;
}

.burger.open span:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
  background: var(--accent);
}
.burger.open span:nth-child(2) {
  opacity: 0;
  transform: translateX(-20px);
}
.burger.open span:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
  background: var(--accent);
}