.site-header {
  position: fixed;
  z-index: 15;
  top: 0;
  left: 0;
  right: 0;
  padding: 18px 24px;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: .35s ease;
}

.site-header .brand > span:last-child {
  font-family: var(--font-apple);
  font-weight: 650;
}

.site-header.scrolled {
  padding-top: 10px;
  background: #fff;
  border-bottom-color: var(--line);
  box-shadow: 0 10px 30px rgba(15,23,42,.06);
}

.nav-wrap {
  width: min(100%, var(--max));
  height: 58px;
  margin: auto;
  padding: 0 11px 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 0;
  border-radius: 0;
  transition: .35s ease;
}

.scrolled .nav-wrap {
  background: transparent;
  box-shadow: none;
}

.desktop-nav {
  display: flex;
  gap: 34px;
  margin-left: 80px;
  margin-right: 20px;
}

.desktop-nav a {
  color: #000;
  font-size: 13px;
  transition: color .2s;
}

.desktop-nav .nav-github {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.nav-github img {
  width: 15px;
  height: 15px;
  object-fit: contain;
  filter: invert(1);
}

.desktop-nav a:hover {
  color: #000;
}

.nav-download {
  font-size: 12px;
  font-weight: 650;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,255,255,.7);
}

.nav-download span {
  color: var(--accent);
  margin-left: 4px;
}