/* Author: Alexander Saurwein
 * Date: 2025-08-25 / Current
 * Path: assets/css/header.css
 * Name: header.css
 */

/* Main Header */
.main-header {
  background-color: var(--color-secondary);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transition: all var(--transition-normal);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-xl);
  max-width: var(--container-max-width);
  margin: 0 auto;
  min-height: var(--header-height);
}

/* Logo Section */
.logo-section {
  display: flex;
  align-items: center;
}

.logo-section a {
  display: block;
  transition: transform var(--transition-fast);
}

.logo-section a:hover {
  transform: scale(1.05);
}

.logo {
  height: 60px;
  width: auto;
  object-fit: contain;
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.9;
}

/* Main Navigation */
.main-navigation {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
}

.nav-link {
  position: relative;
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: rgba(0, 170, 255, 0.1);
  transform: translateY(-1px);
}

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

/* Active navigation state */
.nav-link.active,
.nav-link[aria-current="page"] {
  color: var(--color-primary);
  background-color: rgba(0, 170, 255, 0.15);
}

.nav-link.active::after,
.nav-link[aria-current="page"]::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  margin: 0;
  transition: all var(--transition-fast);
}

.mobile-menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
  transform-origin: center;
}

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

/* Mobile menu toggle animation */
.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Dropdown Navigation (for future use) */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-background-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-sm) 0;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-item {
  display: block;
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-dropdown-item:hover {
  background-color: var(--color-background-light);
  color: var(--color-primary);
}

/* Scrolled Header State */
.main-header.scrolled {
  background-color: rgba(26, 28, 33, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.main-header.scrolled .logo {
  height: 50px;
}

/* Header Search (for future implementation) */
.header-search {
  display: flex;
  align-items: center;
  margin-left: var(--spacing-xl);
}

.search-input {
  background-color: var(--color-background-light);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  width: 250px;
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 170, 255, 0.3);
}

.search-input::placeholder {
  color: var(--color-text-muted);
}

/* Language Selector (for future multilingual support) */
.language-selector {
  margin-left: var(--spacing-lg);
}

.language-toggle {
  background-color: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
}

.language-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}