/* Header-specific styles for Dunaevents */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

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

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

.site-header__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  font-size: var(--font-size-lg);
  color: var(--gray-900);
}

.site-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  box-shadow: var(--shadow-sm);
}

.site-header__logo-text {
  white-space: nowrap;
}

.site-header__nav {
  flex: 1;
}

.nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  font-size: var(--font-size-sm);
}

.nav-link {
  color: var(--gray-700);
  padding-block: 0.25rem;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

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

.nav-link--highlight {
  font-weight: 600;
}

.nav-link--active {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.site-header__cta {
  white-space: nowrap;
}

/* Mobile menu toggle */
.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  cursor: pointer;
}

.site-header__toggle-bar {
  width: 18px;
  height: 2px;
  background-color: var(--gray-800);
  border-radius: 999px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Mobile state transformations for the hamburger icon */
.site-header__toggle.is-open .site-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.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: translateY(-8px) rotate(-45deg);
}

/* Responsive layout */
@media (max-width: 880px) {
  .site-header__inner {
    gap: var(--space-2);
  }

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

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: #ffffff;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transform-origin: top;
    transform: scaleY(0.95);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base);
  }

  .site-header__nav.is-open {
    opacity: 1;
    transform: scaleY(1);
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-8);
  }

  .site-header__cta-wrap {
    display: none;
  }
}

@media (min-width: 881px) {
  .site-header__nav {
    position: static;
    opacity: 1 !important;
    transform: none !important;
    pointer-events: auto !important;
  }
}

/* Ensure header remains usable with JS disabled */
.no-js .site-header__nav {
  opacity: 1 !important;
  transform: none !important;
  pointer-events: auto !important;
}

.no-js .site-header__toggle {
  display: none !important;
}