.site-header {
  background-color: #0d1c33;
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo-img {
  max-height: 50px;
  object-fit: contain;
}

.header__nav {
  display: flex;
  align-items: center;
}

.header__menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 32px;
}

.header__menu li a {
  font-family: "Roboto", sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: #35f0ec;
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 4px solid transparent;
  transition: border-color 0.2s;
}

.header__menu li a:hover,
.header__menu li.current-menu-item a,
.header__menu li.current_page_item a {
  border-bottom-color: #35f0ec;
}

.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 36px;
  height: 36px;
}

.header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #35f0ec;
  border-radius: 2px;
  transition:
    transform 0.3s,
    opacity 0.3s;
}

.header__hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.header__hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .header__logo-img {
    max-height: 40px;
  }
  .header__hamburger {
    display: flex;
  }

  .header__nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #0d1c33;
    padding: 16px 24px 24px;
    border-top: 1px solid rgba(53, 240, 236, 0.2);
  }

  .header__nav.is-open {
    display: block;
  }

  .site-header {
    position: sticky;
  }

  .header__menu {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .header__menu li a {
    font-size: 18px;
  }
}