/* Header-specific styles for Golden Number Lotto */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
}

.site-header-inner {
  gap: var(--space-4);
}

.site-logo-text {
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* Navigation */
.site-nav {
  align-items: center;
  justify-content: flex-end;
}

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

.site-nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
}

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

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

.site-nav-cta {
  font-size: var(--font-size-xs);
}

/* Mobile nav toggle */
.site-nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.6);
  background-color: #ffffff;
  color: var(--gray-800);
  box-shadow: var(--shadow-sm);
}

.site-nav-toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-700);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Hidden by default on large screens */
.site-nav-toggle {
  display: inline-flex;
}

/* Mobile nav layout */
@media (max-width: 767.98px) {
  .site-header-inner {
    padding-block: var(--space-2);
  }

  .site-nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: rgba(245, 247, 251, 0.98);
    border-bottom: 1px solid rgba(148, 163, 184, 0.3);
    transform-origin: top;
    transform: scaleY(0.95);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition:
      opacity var(--transition-base),
      transform var(--transition-base),
      visibility var(--transition-base);
  }

  .site-nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3) var(--space-4) var(--space-4);
    gap: var(--space-2);
  }

  .site-nav-item--cta {
    margin-left: 0;
    margin-top: var(--space-2);
  }

  .site-nav-link {
    padding-block: 0.5rem;
  }

  .site-header.nav-open .site-nav {
    opacity: 1;
    transform: scaleY(1);
    pointer-events: auto;
    visibility: visible;
    display: block;
  }

  .site-header.nav-open .site-nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-header.nav-open .site-nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .site-header.nav-open .site-nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

/* Desktop behaviour */
@media (min-width: 768px) {
  .site-header-inner {
    padding-block: var(--space-3);
  }

  .site-nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
  }
}