.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;

  height: 64px;
  padding: 0 24px;

  display: flex;
  align-items: center;

  z-index: 1000;

  background-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;

  transition:
    background-color 0.3s ease,
    backdrop-filter 0.3s ease,
    box-shadow 0.3s ease;
}

.site-header.scrolled {
  background-color: rgba(0,0,0,0.35);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}

.site-logo {
  font-size: 1.2rem;
  font-weight: bold;
}

.site-header {
  justify-content: space-between;
}

.site-nav {
  display: flex;
  gap: 28px;
  
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.site-header.scrolled .site-nav {
  opacity: 1;
  pointer-events: auto;
}

body:not(.home) .site-nav {
  opacity: 1;
  pointer-events: auto;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 1.05rem;
  position: relative;
  padding: 4px 0;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background-color: #6965c9;
  transition: width 0.25s ease;
}

.site-nav a:hover::after {
  width: 100%;
}