.site-header {
  background: var(--color-surface);
  position: relative;
  z-index: 50;
  padding: 16px var(--container-padding);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  gap: 24px;
}

.site-logo-img {
  max-height: 54px;
}

.site-nav__list {
  list-style: none;
  display: flex;
  gap: 32px;
  margin: 0;
  padding: 0;
}

.site-nav__list .nav-item a {
  font-family: var(--font-display);
  font-size: 16px;
  text-transform: uppercase;
  color: #fff;
  display: inline-block;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.2s ease,
    color 0.2s ease;
}

.site-nav__list .nav-item a:hover,
.site-nav__list .nav-item.is-active a {
  border-bottom-color: #fff;
}

.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  background: var(--color-surface);
  padding: 16px 24px 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.mobile-nav__list .nav-item a {
  font-family: var(--font-display);
  font-size: 18px;
  text-transform: uppercase;
  color: #fff;
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 1023px) {
  .site-header {
    padding: 14px var(--container-padding);
  }
  .site-nav {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }

  .site-logo-img {
    max-height: 40px;
  }
}