/**
 * Site Header Styles
 */

/* ============================================
   Header Container
   ============================================ */

.site-header {
  background: var(--color-background);
  border-bottom: 1px solid var(--color-gray-200);
  position: sticky;
  top: 0;
  z-index: 500;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  margin-bottom: 2rem;
  overflow: visible;
}

.site-header .container {
  width: var(--block-container-max);
  max-width: var(--block-container-contain);
  margin: 0 auto;
  padding: 0 var(--space-4);
  overflow: visible;
}

/* Main flex row - targets both old and new structure */
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-4) 0;
  overflow: visible;
  position: relative;
}

/* Drupal's region wrapper - needs to inherit flex */
.site-header__inner > div {
  display: contents;
}

/* ============================================
   Hide Account Menu
   ============================================ */

#block-modern-minimal-atomic-account-menu {
  display: none !important;
}

/* ============================================
   Site Branding (Logo + Name)
   ============================================ */

#block-modern-minimal-atomic-branding {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

#block-modern-minimal-atomic-branding a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}

#block-modern-minimal-atomic-branding a:hover {
  color: var(--color-primary);
}

#block-modern-minimal-atomic-branding img {
  height: 48px;
  width: auto;
}

#block-modern-minimal-atomic-branding a:last-child {
  font-weight: 700;
  font-family: var(--font-heading);
  width: var(--width-md);
}

#block-modern-minimal-atomic-branding a::before,
#block-modern-minimal-atomic-branding a::after {
  display: none !important;
}

/* ============================================
   Hamburger - Hidden on Desktop
   ============================================ */

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  z-index: 200;
  flex-shrink: 0;
}

.mobile-menu-toggle:hover {
  background: var(--color-background-alt);
}

.mobile-menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.mobile-menu-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-menu-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   Main Navigation - Desktop
   ============================================ */

#block-modern-minimal-atomic-main-navigation {
  flex-grow: 1;
  display: flex;
  justify-content: center;
  overflow: visible;
  z-index: 9999;
}

#block-modern-minimal-atomic-main-navigation > ul {
  display: flex;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
  overflow: visible;
}

#block-modern-minimal-atomic-main-navigation > ul > li {
  margin: 0;
  position: relative;
}

#block-modern-minimal-atomic-main-navigation > ul > li > a {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--text-base);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
  position: relative;
}

#block-modern-minimal-atomic-main-navigation > ul > li > a::before {
  content: '';
  position: absolute;
  left: var(--space-4);
  right: var(--space-4);
  bottom: 8px;
  height: 2px;
  background: var(--color-primary);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: left;
  transform: scaleX(0);
}

#block-modern-minimal-atomic-main-navigation > ul > li > a::after {
  display: none;
}

#block-modern-minimal-atomic-main-navigation > ul > li > a:hover::before {
  transform: scaleX(1);
}

#block-modern-minimal-atomic-main-navigation > ul > li > a:hover,
#block-modern-minimal-atomic-main-navigation > ul > li > a:focus {
  color: var(--color-primary);
}

#block-modern-minimal-atomic-main-navigation > ul > li > a.is-active {
  color: var(--color-primary-dark);
  font-weight: 600;
}

#block-modern-minimal-atomic-main-navigation > ul > li > a.is-active::before {
  transform: scaleX(1);
  background: var(--color-primary-dark);
}

/* Dropdown arrow */
#block-modern-minimal-atomic-main-navigation > ul > li:has(ul) > a::after {
  content: '▾';
  display: inline-block;
  margin-left: var(--space-1);
  font-size: 0.75rem;
  transition: transform var(--transition);
}

#block-modern-minimal-atomic-main-navigation > ul > li:hover > a::after {
  transform: rotate(180deg);
}

/* ============================================
   Dropdown Submenu - Desktop
   ============================================ */

#block-modern-minimal-atomic-main-navigation ul ul {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: white;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  list-style: none;
  margin: var(--space-2) 0 0;
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition);
  z-index: 9999;
}

#block-modern-minimal-atomic-main-navigation > ul > li:hover > ul {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#block-modern-minimal-atomic-main-navigation ul ul li {
  margin: 0;
}

#block-modern-minimal-atomic-main-navigation ul ul a {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

#block-modern-minimal-atomic-main-navigation ul ul a::before,
#block-modern-minimal-atomic-main-navigation ul ul a::after {
  display: none !important;
}

#block-modern-minimal-atomic-main-navigation ul ul a:hover {
  color: var(--color-primary);
  background: var(--color-background-alt);
}

/* ============================================
   Sponsor Carousel
   ============================================ */

#block-modern-minimal-atomic-views-block-sponsor-directory-carousel {
  flex-shrink: 0;
}

/* Hide mobile dropdown toggle on desktop */
.mobile-dropdown-toggle {
  display: none;
}

/* ============================================
   Responsive - Mobile
   ============================================ */

@media (max-width: 768px) {
  .site-header .container > div,
  .site-header__inner {
    flex-wrap: wrap;
  }

  /* Show hamburger */
  .mobile-menu-toggle {
    display: flex;
    order: 2;
    margin-left: auto;
  }

  /* Branding first */
  #block-modern-minimal-atomic-branding {
    order: 1;
    flex: 1;
  }

  /* Hide nav by default */
  #block-modern-minimal-atomic-main-navigation {
    display: none;
    order: 3;
    width: 100%;
    justify-content: flex-start;
  }

  /* Show when open */
  #block-modern-minimal-atomic-main-navigation.is-open {
    display: flex;
  }

  #block-modern-minimal-atomic-main-navigation > ul {
    flex-direction: column;
    width: 100%;
    padding: var(--space-2) 0;
    gap: 0;
    border-top: 1px solid var(--color-gray-200);
  }

  #block-modern-minimal-atomic-main-navigation > ul > li {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
  }

  #block-modern-minimal-atomic-main-navigation > ul > li > a {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    border-radius: 0;
    border-bottom: 1px solid var(--color-gray-200);
  }

  #block-modern-minimal-atomic-main-navigation > ul > li > a::after {
    display: none !important;
  }

  /* Mobile dropdown toggle */
  .mobile-dropdown-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 44px;
    background: var(--color-background-alt);
    border: none;
    border-bottom: 1px solid var(--color-gray-200);
    border-left: 1px solid var(--color-gray-200);
    cursor: pointer;
    font-size: 1rem;
    transition: all var(--transition);
    color: var(--color-text);
  }

  .mobile-dropdown-toggle.is-active {
    background: var(--color-primary);
    color: white;
  }

  /* Submenus hidden on mobile */
  #block-modern-minimal-atomic-main-navigation ul ul {
    position: static;
    opacity: 1;
    visibility: hidden;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    margin: 0;
    padding: 0;
    background: var(--color-background-alt);
    width: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, visibility 0.3s ease;
  }

  #block-modern-minimal-atomic-main-navigation ul ul.is-open {
    visibility: visible;
    max-height: 500px;
  }

  #block-modern-minimal-atomic-main-navigation ul ul a {
    padding-left: var(--space-8);
    border-bottom: 1px solid var(--color-gray-200);
    border-radius: 0;
  }

  /* Hide carousel on mobile */
  #block-modern-minimal-atomic-views-block-sponsor-directory-carousel {
    display: none;
  }
}