.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 9, 18, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(246, 200, 95, 0.18);
}

.header__inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  color: var(--clr-white);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.brand__mark {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--clr-night);
  background: var(--clr-gold);
  font-size: 1.7rem;
  font-weight: 900;
}

.brand__text {
  display: grid;
  line-height: 1.1;
}

.brand__text small {
  color: var(--clr-muted);
}

.nav-toggle {
  width: 46px;
  height: 46px;
  border: 1px solid rgba(246, 200, 95, 0.35);
  border-radius: 50%;
  background: transparent;
  display: grid;
  place-content: center;
  gap: 5px;
}

.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--clr-cream);
  display: block;
}

.site-nav {
  position: fixed;
  inset: 76px 1rem auto 1rem;
  display: none;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--clr-navy);
  box-shadow: var(--shadow-soft);
}

.site-nav.is-open {
  display: grid;
}

.site-nav a {
  color: var(--clr-white);
  text-decoration: none;
  font-weight: 800;
  padding: 0.9rem;
  border-radius: var(--radius-sm);
}

.nav-cta {
  background: var(--clr-orange);
  text-align: center;
}

@media (min-width: 860px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    display: flex;
    align-items: center;
    padding: 0;
    background: transparent;
    box-shadow: none;
  }
}