.ar-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(22px);
  background: radial-gradient(circle at top, rgba(139, 30, 63, 0.32), transparent 52%), linear-gradient(90deg, rgba(13, 14, 18, 0.96), rgba(20, 22, 31, 0.98));
  border-bottom: 1px solid rgba(39, 42, 54, 0.9);
}

.ar-header__inner {
  max-width: 1580px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(28px, 4vw, 72px);
  padding-top: 14px;
  padding-bottom: 14px;
}

.ar-header__brand {
  flex: 0 0 auto;
  text-decoration: none;
}

.ar-header__nav {
  display: flex;
  align-items: center;
  margin-left: auto;
  flex: 0 0 auto;
}

.ar-header__nav-list {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  white-space: nowrap;
}

.ar-header__nav-link {
  position: relative;
  color: rgba(163, 169, 183, 0.96);
  padding-bottom: 4px;
  transition: color var(--transition-normal);
}

.ar-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(207, 173, 101, 0.1), rgba(207, 173, 101, 0.85));
  transition: width var(--transition-normal);
}

.ar-header__nav-link:hover,
.ar-header__nav-link:focus-visible {
  color: var(--color-text);
}

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

.ar-header__nav-link--cta {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(212, 175, 55, 0.6);
  background: radial-gradient(circle at 0 0, rgba(248, 235, 210, 0.25), transparent 55%), linear-gradient(135deg, #8b1e3f, #b73159);
  color: #fdf8f0;
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.8);
}

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

.ar-header__nav-link--cta:hover,
.ar-header__nav-link--cta:focus-visible {
  filter: brightness(1.06);
}

.ar-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(39, 42, 54, 0.9);
  background: radial-gradient(circle at 30% 0, rgba(212, 175, 55, 0.18), transparent 55%), rgba(6, 7, 11, 0.92);
  color: var(--color-text);
}

.ar-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: rgba(246, 242, 232, 0.9);
  transition: transform var(--transition-normal), opacity var(--transition-normal), background var(--transition-normal);
}

.ar-header__toggle:focus-visible {
  outline: 2px solid rgba(212, 175, 55, 0.9);
  outline-offset: 2px;
}

.ar-header__toggle.is-open .ar-header__toggle-bar:nth-child(1) {
  transform: translateY(3px) rotate(42deg);
}

.ar-header__toggle.is-open .ar-header__toggle-bar:nth-child(2) {
  transform: translateY(-3px) rotate(-42deg);
}

@media (max-width: 1250px) {
  .ar-header__toggle {
    display: inline-flex;
  }

  .ar-header__nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    background: linear-gradient(180deg, rgba(13, 14, 18, 0.98), rgba(20, 22, 31, 0.99));
    border-bottom: 1px solid rgba(39, 42, 54, 0.95);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  }

  .ar-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 16px var(--space-5) 18px;
    white-space: normal;
  }

  .ar-header__nav-link--cta {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .ar-header__nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

@media (max-width: 640px) {
  .ar-header__inner {
    gap: var(--space-3);
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .ar-header__brand {
    flex: 1 1 auto;
    min-width: 0;
  }

  .rt-brand {
    gap: 10px;
  }

  .rt-brand__crest {
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
  }

  .rt-brand__label {
    min-width: 0;
  }

  .rt-brand__title {
    font-size: 0.98rem;
    letter-spacing: 0.13em;
  }

  .rt-brand__subtitle {
    font-size: 0.64rem;
    line-height: 1.45;
    letter-spacing: 0.15em;
  }

  .ar-header__nav-list {
    gap: var(--space-3);
    padding: var(--space-4);
  }

  .ar-header__nav-link {
    display: block;
    padding: 6px 0;
  }

  .ar-header__nav-link--cta {
    display: flex;
    width: 100%;
    padding: 11px 16px;
  }
}