.rt-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(to bottom, rgba(10, 13, 15, 0.98), rgba(10, 13, 15, 0.96));
  border-bottom: 1px solid rgba(102, 80, 68, 0.7);
  backdrop-filter: blur(20px);
}

.rt-header__inner {
  height: 4.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.rt-header__brand {
  text-decoration: none;
}

.rt-header__nav {
  display: flex;
  align-items: center;
}

.rt-header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.rt-header__nav-link {
  position: relative;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-block: 0.35rem;
}

.rt-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-highlight));
  transition: width var(--transition-base);
}

.rt-header__nav-link:hover::after,
.rt-header__nav-link:focus-visible::after {
  width: 100%;
}

.rt-header__nav-item--cta .rt-header__nav-link--cta {
  padding: 0.55rem 1.4rem;
  border-radius: 999px;
  border: 1px solid rgba(209, 180, 119, 0.75);
  background: radial-gradient(circle at 0 0, rgba(209, 180, 119, 0.22), transparent 55%), #241814;
  color: var(--color-text);
}

.rt-header__nav-item--cta .rt-header__nav-link--cta::after {
  display: none;
}

.nav-toggle {
  display: none;
  position: relative;
  z-index: 2;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(102, 80, 68, 0.8);
  background: radial-gradient(circle at 0 0, rgba(198, 106, 74, 0.25), transparent 55%), #101B19;
}

.nav-toggle__bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(1) {
  transform: translateY(3px) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle__bar:nth-child(2) {
  transform: translateY(-3px) rotate(-45deg);
}

@media (max-width: 960px) {
  .rt-header__inner {
    height: auto;
    padding-block: 0.75rem;
  }

  .rt-header__nav-list {
    position: absolute;
    z-index: 1;
    inset-inline: 0;
    top: calc(4.25rem + 1px);
    padding: 1.25rem 1.5rem 1.75rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.9rem;
    background: radial-gradient(circle at 0 0, rgba(209, 180, 119, 0.08), transparent 60%), #0A0D0F;
    border-bottom: 1px solid rgba(102, 80, 68, 0.85);
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.85);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  }

  .rt-header__nav-list.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scaleY(1);
  }

  .rt-header__nav-item--cta {
    margin-top: 0.5rem;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .rt-header__inner {
    padding-inline: 1.5rem;
  }
}