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

  z-index: 1000;
  padding: var(--space-xl);
  transition: background-color 0.3s ease, padding-top 0.3s ease, padding-bottom 0.3s ease, border-bottom-color 0.3s ease;
}
.header::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg-glass);
  border-bottom: 1px solid color-mix(in srgb, var(--color-border), transparent 50%);
  z-index: -1;
  width: 100%;
  
  transition: opacity 0.3s ease, height 0.3s ease;

  
  opacity: 0;
  height: 150px;
  pointer-events: none;
}
.header .btn{
  margin: 0;
}
.header .btn--outline{
  color: white;
  border-color: white;
}
.header .btn--outline:hover{
  background: rgba(255, 255, 255, 0.2);
  border-color: white;
  color: white;
}
.header__nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}
.header__logo{
  display: flex;
  align-items: center;
  flex-shrink: 0;
  height: 40px;
}
.header__logo img{
  height: 100%;
  width: auto;
  display: block;
}
.header__actions{
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.header__actions .btn--primary{
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  max-width: 300px;
  opacity: 1;
  transform: translateX(0);
  white-space: nowrap;
  overflow: hidden;
}