.rm-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(to bottom, rgba(5, 6, 8, 0.98), rgba(5, 6, 8, 0.9));
  backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.rm-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.rm-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.rm-header__mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  border: 1px solid rgba(212, 168, 87, 0.7);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 20% 0, rgba(212, 168, 87, 0.3), rgba(5, 6, 8, 0.96));
  box-shadow: var(--shadow-soft);
}

.rm-header__mark-inner {
  width: 18px;
  height: 18px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: radial-gradient(circle at 20% 0, #f0c978, #6b1f2b);
  box-shadow: 0 0 18px rgba(240, 201, 120, 0.55);
}

.rm-header__text-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.rm-header__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.rm-header__subtitle {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
}

.rm-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.rm-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--font-size-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.rm-header__nav-link {
  position: relative;
  padding-bottom: 0.25rem;
  color: var(--color-text-muted);
  text-decoration: none;
}

.rm-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #f0c978, #6b1f2b);
  transition: width var(--transition-base);
}

.rm-header__nav-link:hover,
.rm-header__nav-link:focus-visible {
  color: var(--color-primary-strong);
}

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

.rm-header__cta-btn {
  white-space: nowrap;
}

.rm-header__toggle {
  display: none;
  position: relative;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(5, 6, 8, 0.9);
  padding: 0;
  transition: border-color var(--transition-base), background var(--transition-base);
}

.rm-header__toggle:hover {
  border-color: rgba(212, 168, 87, 0.55);
  background: rgba(15, 16, 21, 0.96);
}

.rm-header__toggle-bar {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transform-origin: center;
  transition: transform var(--transition-base), width var(--transition-base), background var(--transition-base);
}

.rm-header__toggle-bar:first-child {
  transform: translate(-50%, -5px);
}

.rm-header__toggle-bar:last-child {
  transform: translate(-50%, 4px);
}

.rm-header__toggle[aria-expanded="true"] {
  border-color: rgba(212, 168, 87, 0.7);
}

.rm-header__toggle[aria-expanded="true"] .rm-header__toggle-bar:first-child {
  transform: translate(-50%, -1px) rotate(45deg);
  width: 19px;
}

.rm-header__toggle[aria-expanded="true"] .rm-header__toggle-bar:last-child {
  transform: translate(-50%, -1px) rotate(-45deg);
  width: 19px;
}

.rm-header__toggle:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.rm-header--menu-open {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.85);
}

.rm-header__nav--mobile {
  position: absolute;
  inset-inline: 0;
  top: 100%;
  background: radial-gradient(circle at top, #181b26, #050608);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.9);
  flex-direction: column;
  padding: var(--space-4) var(--space-4) var(--space-5);
  gap: var(--space-4);
  max-height: 0;
  overflow: hidden;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-6px);
  transition: max-height var(--transition-slow), opacity var(--transition-base), transform var(--transition-base), visibility 0s linear var(--transition-slow);
}

.rm-header__nav--mobile.is-open {
  max-height: 420px;
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0s;
}

.rm-header__nav--mobile .rm-header__nav-list {
  flex-direction: column;
  align-items: flex-start;
}

.rm-header__nav--mobile .rm-header__cta {
  width: 100%;
  display: flex;
  justify-content: flex-start;
}

.rm-header__nav--mobile .rm-header__cta-btn {
  width: 100%;
  justify-content: center;
}

@media (max-width: 959px) {
  .rm-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .rm-header__nav.rm-header__nav--mobile {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    width: 100%;
    align-items: stretch;
  }

  .rm-header__nav-list,
  .rm-header__cta {
    display: none;
  }

  .rm-header__nav--mobile .rm-header__nav-list,
  .rm-header__nav--mobile .rm-header__cta {
    display: flex;
  }

  .rm-header__nav--mobile .rm-header__nav-list {
    width: 100%;
  }

  .rm-header__nav--mobile .rm-header__nav-item,
  .rm-header__nav--mobile .rm-header__nav-link {
    width: 100%;
  }

  .rm-header__nav--mobile .rm-header__nav-link {
    display: block;
    padding: 0.5rem 0;
  }

  .rm-header__toggle {
    display: inline-block;
    margin-left: auto;
  }
}

@media (min-width: 960px) {
  .rm-header__nav {
    position: static;
  }

  .rm-header__nav-list,
  .rm-header__cta {
    display: flex;
  }

  .rm-header__nav--mobile {
    position: static;
    max-height: none;
    visibility: visible;
    opacity: 1;
    transform: none;
    box-shadow: none;
    border-bottom: none;
    padding: 0;
    flex-direction: row;
    background: none;
  }

  .rm-header__nav--mobile .rm-header__nav-list {
    flex-direction: row;
    align-items: center;
  }

  .rm-header__nav--mobile .rm-header__cta {
    width: auto;
  }

  .rm-header__nav--mobile .rm-header__cta-btn {
    width: auto;
  }
}

@media (max-width: 639px) {
  .rm-header__title {
    font-size: 1rem;
    letter-spacing: 0.16em;
  }

  .rm-header__subtitle {
    display: none;
  }

  .rm-header__mark {
    width: 32px;
    height: 32px;
  }

  .rm-header__mark-inner {
    width: 16px;
    height: 16px;
  }
}