.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 9%;
  background: var(--bg-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  height: 70px;
  transition: 0.3s;
}

.header .logo {
  font-size: 2.5rem;
  color: var(--text-color);
  font-weight: 600;
}

.header .navbar {
  display: flex;
  align-items: center;
}

.header .navbar a {
  font-size: 1.7rem;
  color: var(--text-color);
  font-weight: 500;
  margin-left: 3.5rem;
  transition: 0.3s;
}

.header .navbar a:hover,
.header .navbar a.active {
  color: var(--main-color);
}

.header .bx-menu {
  display: none;
  font-size: 3.6rem;
  color: var(--text-color);
  cursor: pointer;
}

@media (max-width: 768px) {
  .header {
    padding: 1rem 4%;
    height: 60px;
  }

  .header .bx-menu {
    display: block;
  }

  .navbar {
    position: absolute;
    top: 100%;
    left: -100%;
    width: 100%;
    padding: 1rem 4%;
    background-color: var(--bg-color);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.2);
    z-index: 1;
    transition: 0.25s ease;
    transition-delay: 0.25s;
    display: flex;
    flex-direction: column;
  }

  .navbar.active {
    left: 0;
    transition-delay: 0s;
  }

  .navbar a {
    display: block;
    font-size: 2rem;
    margin: 1rem 0;
    transform: translateX(-20rem);
    transition: 0.25s ease;
    transition-delay: 0s;
  }

  .navbar.active a {
    transform: translateX(0);
    transition-delay: 0.25s;
  }
}