/* ==========================================================================
   CARTEK MECHANICAL REPAIRS - HEADER STYLES
   Adhering to WEBSITE_STANDARDS.md Specificity & Mobile Rules
   ========================================================================== */

/* Top Utility Announcement Bar */
.top-bar {
  background: var(--color-black);
  color: var(--color-silver);
  font-size: 13px;
  padding: 6px 0;
  border-bottom: 2px solid var(--color-primary);
  line-height: 1.4;
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-silver);
  font-size: 13px;
}

.top-bar-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.top-bar-item a {
  color: #FFFFFF;
  font-weight: 600;
  text-decoration: none;
}

.top-bar-item a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.top-bar-badge {
  background: var(--color-primary);
  color: #FFFFFF;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

@media (max-width: 820px) {
  .top-bar {
    display: none;
  }
}

/* Main Site Header */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: 0 2px 12px rgba(22, 22, 22, 0.06);
  border-bottom: 1px solid rgba(203, 202, 200, 0.4);
  transition: all var(--transition-fast);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: 20px;
  position: relative;
}

/* Logo */
.header .logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.header .logo img {
  height: 48px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

/* Navigation Menu */
.header .nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin: 0;
}

.header .nav a {
  font-family: var(--font-family);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-black);
  text-decoration: none;
  position: relative;
  padding: 8px 0;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.header .nav a:hover,
.header .nav a.active {
  color: var(--color-primary);
}

.header .nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2.5px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

/* Dropdown Menu */
.nav-item.dropdown {
  position: relative;
}

.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  white-space: nowrap;
}

.dropdown-arrow {
  font-size: 10px;
  transition: transform var(--transition-fast);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: var(--color-white);
  border: 1px solid rgba(22, 22, 22, 0.08);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 10px 0;
  display: none;
  z-index: 1010;
}

.dropdown-menu .dropdown-item {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-black);
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.dropdown-menu .dropdown-item:hover {
  background: rgba(218, 13, 18, 0.06);
  color: var(--color-primary);
}

.dropdown-menu .dropdown-item::after {
  display: none !important;
}

/* Desktop Hover for dropdown */
@media (min-width: 993px) {
  .nav-item.dropdown:hover .dropdown-menu {
    display: block;
    animation: fadeInDown 0.2s ease forwards;
  }
  .nav-item.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Header CTAs (Desktop) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-shrink: 0;
}

.header-phone-link {
  display: flex;
  flex-direction: column;
  text-align: right;
  line-height: 1.25;
  text-decoration: none;
}

.header-phone-link .phone-label {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--color-grey);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.header-phone-link .phone-number {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-black);
  white-space: nowrap;
}

.header-phone-link:hover .phone-number {
  color: var(--color-primary);
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF !important;
  background: var(--grad-red);
  box-shadow: var(--shadow-red);
  border: none;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.nav-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(218, 13, 18, 0.4);
}

/* Hide Mobile CTA Buttons on Desktop Viewports */
.mobile-nav-cta {
  display: none !important;
}

/* Mobile Navigation & Burger Menu (WEBSITE_STANDARDS.md Section 3) */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--color-black);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
  background: var(--color-primary);
}
.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
  background: var(--color-primary);
}

/* Tablet & Mobile Breakpoint (<= 992px) */
@media (max-width: 992px) {
  .header .container {
    height: 72px;
  }

  .header .logo img {
    height: 40px;
    max-width: 180px;
  }

  .header-actions {
    display: none;
  }

  .mobile-menu-btn {
    display: block !important;
  }

  /* CRITICAL SPECIFICITY RULE FROM WEBSITE_STANDARDS.md */
  .header .nav {
    display: none !important;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #FFFFFF;
    flex-direction: column;
    padding: 24px;
    gap: 16px !important;
    border-bottom: 2px solid var(--color-primary);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.12);
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    margin: 0;
  }

  .header .nav.active {
    display: flex !important;
  }

  .header .nav a {
    font-size: 17px;
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-silver-light);
  }

  .header .nav a.active::after {
    display: none;
  }

  .nav-item.dropdown {
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    width: 100%;
    display: none;
    background: #F8F9FA;
    border: none;
    box-shadow: none;
    padding: 8px 12px;
    margin-top: 8px;
    border-radius: var(--radius-sm);
  }

  .nav-item.dropdown.active .dropdown-menu {
    display: block;
  }

  .dropdown-menu .dropdown-item {
    padding: 8px 12px;
    font-size: 15px;
    border-bottom: none;
  }

  /* Show Mobile CTA Buttons in Mobile Drawer */
  .mobile-nav-cta {
    display: flex !important;
    flex-direction: column;
    gap: 10px;
    margin-top: 16px;
    width: 100%;
  }

  .mobile-nav-cta .btn {
    width: 100%;
    padding: 12px;
    font-size: 15px;
  }
}