/* Header styles for Lumiar Room */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 6, 8, 0.94), rgba(5, 6, 8, 0.82));
  border-bottom: 1px solid rgba(209, 167, 91, 0.2);
}

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

.site-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}

.site-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0%, rgba(242, 178, 98, 0.9), transparent 60%),
    radial-gradient(circle at 70% 100%, rgba(18, 50, 39, 0.9), transparent 55%),
    #050608;
  box-shadow: 0 0 0 1px rgba(209, 167, 91, 0.65), 0 8px 22px rgba(0, 0, 0, 0.8);
}

.site-header__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-header__subtitle {
  display: none;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Navigation */
.site-header__nav {
  margin-left: var(--space-4);
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
}

.site-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--color-accent-amber), var(--color-gold));
  transition: width var(--transition-normal);
}

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

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

.site-header__nav-item--cta {
  margin-left: var(--space-2);
}

.site-header__nav-cta {
  font-size: var(--font-size-xs);
  white-space: nowrap;
}

/* Mobile toggle */
.site-header__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(242, 178, 98, 0.5);
  background-color: rgba(10, 12, 15, 0.98);
  color: var(--color-text);
}

.site-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-normal), opacity var(--transition-normal),
    translate var(--transition-normal);
}

.site-header__toggle:focus-visible {
  outline: 2px solid var(--color-accent-amber);
  outline-offset: 3px;
}

.site-header__toggle.is-open .site-header__toggle-bar:nth-child(1) {
  transform: rotate(45deg) translate(3px, 4px);
}

.site-header__toggle.is-open .site-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header__toggle.is-open .site-header__toggle-bar:nth-child(3) {
  transform: rotate(-45deg) translate(3px, -4px);
}

/* Mobile layout */
@media (max-width: 767.98px) {
  .site-header__subtitle {
    display: none;
  }

  .site-header__nav {
    position: fixed;
    inset: 56px 0 auto 0;
    background: radial-gradient(circle at top, rgba(242, 178, 98, 0.08), transparent 55%),
      rgba(5, 6, 8, 0.98);
    border-bottom: 1px solid rgba(209, 167, 91, 0.3);
    transform-origin: top;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal) ease-out;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-4) var(--space-5);
    gap: var(--space-3);
  }

  .site-header__nav-link {
    font-size: var(--font-size-md);
  }

  .site-header__nav-item--cta {
    width: 100%;
    margin-left: 0;
    margin-top: var(--space-2);
  }

  .site-header__nav-cta {
    width: 100%;
    justify-content: center;
  }

  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav.is-open {
    max-height: 320px;
  }
}

/* Desktop layout */
@media (min-width: 768px) {
  .site-header__subtitle {
    display: inline-block;
  }

  .site-header__toggle {
    display: none;
  }

  .site-header__nav {
    position: static;
    max-height: none;
    overflow: visible;
    background: transparent;
    border-bottom: 0;
  }
}

/* High-contrast and reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .site-header__nav,
  .site-header__toggle-bar {
    transition: none;
  }
}