/* ==========================================================================
   HEADER.CSS - Dorys Janitorial Cleaning Services
   Top Bar + Sticky Header + Navigation + Mobile Menu
   ========================================================================== */

/* --------------------------------------------------------------------------
   Top Bar
   -------------------------------------------------------------------------- */
.top-bar {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  padding: var(--space-sm) 0;
  font-size: var(--font-size-sm);
  position: relative;
  z-index: var(--z-sticky);
}

.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.top-bar__contact {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.top-bar__item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text-white);
  transition: opacity var(--transition-fast);
}

.top-bar__item:hover {
  opacity: 0.9;
}

.top-bar__icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

.top-bar__social {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.top-bar__social-link {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  color: var(--color-text-white);
  transition: all var(--transition-fast);
}

.top-bar__social-link:hover {
  background-color: var(--color-text-white);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.top-bar__social-link svg {
  width: 14px;
  height: 14px;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-secondary);
  box-shadow: none;
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header--scrolled .header__wrapper {
  padding-top: var(--space-sm);
  padding-bottom: var(--space-sm);
}

.header__wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
  transition: padding var(--transition-base);
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo img {
  height: 60px;
  width: auto;
  transition: height var(--transition-base);
}

.header--scrolled .header__logo img {
  height: 50px;
}

.header__logo-text {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-left: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.header__nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link--active {
  color: var(--color-primary);
  background-color: rgba(var(--color-primary-rgb), 0.05);
}

.nav-link__icon {
  width: 12px;
  height: 12px;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link__icon,
.nav-item.is-open .nav-link__icon {
  transform: rotate(180deg);
}

/* Dropdown Menu */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background-color: var(--color-secondary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
}

.nav-item:hover .nav-dropdown,
.nav-item.is-open .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown__link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-dropdown__link:hover {
  background-color: rgba(var(--color-primary-rgb), 0.05);
  color: var(--color-primary);
  padding-left: calc(var(--space-md) + 4px);
}

.nav-dropdown__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-primary);
}

/* Mega Dropdown (for Service Areas) */
.nav-dropdown--mega {
  min-width: 600px;
  padding: var(--space-lg);
}

.nav-dropdown__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.nav-dropdown__title {
  grid-column: 1 / -1;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-accent);
  margin-bottom: var(--space-sm);
}

/* Header CTA */
.header__cta {
  margin-left: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Mobile Menu Toggle
   -------------------------------------------------------------------------- */
.header__toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  border: none;
  cursor: pointer;
  z-index: calc(var(--z-modal) + 1);
}

.header__toggle-icon {
  width: 24px;
  height: 18px;
  position: relative;
}

.header__toggle-icon span {
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.header__toggle-icon span:nth-child(1) {
  top: 0;
}

.header__toggle-icon span:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.header__toggle-icon span:nth-child(3) {
  bottom: 0;
}

/* Toggle Active State */
.header__toggle.is-active .header__toggle-icon span:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.header__toggle.is-active .header__toggle-icon span:nth-child(2) {
  opacity: 0;
}

.header__toggle.is-active .header__toggle-icon span:nth-child(3) {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Mobile Navigation
   -------------------------------------------------------------------------- */
@media (max-width: 991px) {
  .header__toggle {
    display: flex;
  }

  .header__nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--color-secondary);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: calc(var(--top-bar-height) + var(--header-height) + var(--space-lg)) var(--space-lg) var(--space-lg);
    box-shadow: var(--shadow-2xl);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    z-index: var(--z-modal);
  }

  .header__nav.is-open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .nav-link {
    padding: var(--space-md);
    font-size: var(--font-size-lg);
    border-bottom: 1px solid var(--color-accent);
    border-radius: 0;
    justify-content: space-between;
  }

  .nav-dropdown {
    position: static;
    min-width: 100%;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    transform: none;
    background-color: var(--bg-light);
  }

  .nav-item.is-open .nav-dropdown {
    max-height: 1000px;
    padding: var(--space-sm) 0;
  }

  .nav-dropdown__link {
    padding: var(--space-sm) var(--space-xl);
  }

  .nav-dropdown--mega {
    min-width: 100%;
  }

  .nav-dropdown__grid {
    grid-template-columns: 1fr;
  }

  .header__cta {
    margin: var(--space-lg) 0 0 0;
    width: 100%;
    text-align: center;
  }

  /* Mobile overlay */
  .header__overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-overlay);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: calc(var(--z-modal) - 1);
  }

  .header__overlay.is-visible {
    opacity: 1;
    visibility: visible;
  }
}

/* --------------------------------------------------------------------------
   Top Bar - Mobile Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 767px) {
  .top-bar .container {
    justify-content: center;
    text-align: center;
  }

  .top-bar__contact {
    flex-direction: column;
    gap: var(--space-xs);
    width: 100%;
  }

  .top-bar__social {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Header - Tablet Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 1199px) {
  .nav-link {
    padding: var(--space-sm) var(--space-sm);
    font-size: var(--font-size-sm);
  }

  .nav-dropdown--mega {
    min-width: 500px;
  }

  .nav-dropdown__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --------------------------------------------------------------------------
   Skip Link (Accessibility)
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
  z-index: calc(var(--z-tooltip) + 1);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
}