/* Header styles for Star Issima */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(to bottom, rgba(10, 10, 10, 0.98), rgba(10, 10, 10, 0.92));
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(248, 244, 237, 0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

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

.site-header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-on-dark);
}

.site-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 0%, #ffffff, #C8A45A 60%, #7A5A3A 100%);
  color: #121212;
  font-size: 0.85rem;
  box-shadow: var(--shadow-soft);
}

.site-header__logo-text {
  font-weight: 600;
}

/* Navigation */
.site-header__nav {
  display: flex;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(245, 241, 232, 0.72);
  padding: 0.25rem 0;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-emerald));
  transition: width var(--transition-normal);
}

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

.site-header__nav-link--active {
  color: var(--color-primary);
}

.site-header__nav-item--highlight .site-header__nav-link {
  padding: 0.45rem 1.2rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(200, 164, 90, 0.7);
  background: radial-gradient(circle at top left, rgba(200, 164, 90, 0.18), rgba(12, 12, 12, 0.85));
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
}

.site-header__nav-item--highlight .site-header__nav-link::after {
  display: none;
}

.site-header__nav-item--highlight .site-header__nav-link:hover,
.site-header__nav-item--highlight .site-header__nav-link:focus-visible {
  background: radial-gradient(circle at top left, rgba(200, 164, 90, 0.26), rgba(12, 12, 12, 0.9));
}

/* Mobile toggle */
.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(245, 241, 232, 0.32);
  background: radial-gradient(circle at top, rgba(200, 164, 90, 0.08), rgba(18, 18, 18, 0.96));
  color: var(--color-text-on-dark);
}

.site-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: #F5F1E8;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

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

/* Open state icon animation */
.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(2) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Responsive */
@media (max-width: 768px) {
  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 64px;
    background: radial-gradient(circle at top, rgba(200, 164, 90, 0.1), rgba(0, 0, 0, 0.98));
    border-top: 1px solid rgba(248, 244, 237, 0.12);
    transform: translateY(-150%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-24) var(--container-padding-x) var(--space-32);
    gap: 1.1rem;
  }

  .site-header--menu-open .site-header__nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .site-header__nav-item--highlight .site-header__nav-link {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .site-header__logo-text {
    font-size: 0.85rem;
  }
}