.ct-header {
  position: fixed;
  z-index: 100;

  top: 0;
  left: 0;

  width: 100%;

  border-bottom: 1px solid var(--ct-border);

  transform: translateY(0);

  transition:
    background-color 180ms ease,
    transform 240ms ease,
    border-color 180ms ease;
}

.ct-header.is-hidden {
  transform: translateY(-100%);
}

.ct-header.is-scrolled {
  background: rgba(7, 10, 15, 0.94);
  border-bottom-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
}

.ct-header__inner {
  min-height: 88px;

  display: grid;
  grid-template-columns: 210px 1fr 210px;

  align-items: center;
}

.ct-header__brand {
  display: inline-flex;
  align-items: center;
}

.ct-header__logo {
  width: auto;
  height: 44px;

  object-fit: contain;
}

.ct-header__toggle {
  display: none;
}

.ct-header__nav {
  grid-column: 2;

  display: flex;
  justify-content: center;
}

.ct-header__menu {
  display: flex;
  align-items: center;

  gap: clamp(20px, 2vw, 36px);

  margin: 0;
  padding: 0;

  list-style: none;
}

.ct-header__menu a {
  position: relative;

  display: block;

  padding: 36px 0;

  color: #aeb7c2;

  font-size: 11px;
  font-weight: 600;

  letter-spacing: 0.07em;
  text-transform: uppercase;

  transition: color 180ms ease;
}

.ct-header__menu a::after {
  content: "";

  position: absolute;

  left: 0;
  bottom: -1px;

  width: 100%;
  height: 1px;

  background: var(--ct-cyan);

  transform: scaleX(0);
  transform-origin: left;

  transition: transform 180ms ease;
}

.ct-header__menu a:hover {
  color: white;
}

.ct-header__menu a:hover::after {
  transform: scaleX(1);
}