/* ============================================
   TAMMKREIZ HEADER STYLES
   Design moderne et élégant - Mobile First
   ============================================ */

/* ============================================
   MAIN HEADER CONTAINER
   ============================================ */
.header {
  background: var(--tk-white);
  position: sticky;
  top: 0;
  z-index: var(--tk-z-sticky);
  box-shadow: var(--tk-shadow-md);
  padding: 0;
  border-bottom: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--tk-blue), var(--tk-orange), var(--tk-green)) 1;
}

/* ============================================
   HEADER TOP ROW - Logo, Search, Actions
   ============================================ */
.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--tk-space-4) var(--tk-space-6);
  gap: var(--tk-space-6);
  max-width: 1400px;
  margin: 0 auto;
}

/* ============================================
   BRAND / LOGO
   ============================================ */
.header_main_link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 180px;
  transition: transform var(--tk-transition-fast);
}

.header_main_link:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.brand-name {
  font-family: var(--tk-font-heading);
  font-size: var(--tk-font-size-2xl);
  font-weight: var(--tk-font-weight-extrabold);
  letter-spacing: -0.5px;
  line-height: 1;
  background: linear-gradient(90deg, 
    var(--tk-gray-500) 0%, 
    var(--tk-gray-500) 35%,
    var(--tk-blue) 35%,
    var(--tk-blue) 50%,
    var(--tk-orange) 50%,
    var(--tk-orange) 70%,
    var(--tk-green) 70%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-subtitle {
  font-size: var(--tk-font-size-xs);
  color: var(--tk-gray-500);
  font-weight: var(--tk-font-weight-normal);
  margin-top: var(--tk-space-1);
  letter-spacing: 0.5px;
}

/* ============================================
   SEARCH BAR CONTAINER
   ============================================ */
.header-search {
  flex: 1;
  max-width: 500px;
  display: flex;
  justify-content: center;
}

/* ============================================
   HEADER ACTIONS (Locale Switcher, Profile)
   ============================================ */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--tk-space-3);
}

/* Profile Button - Pimped! */
.profile-btn {
  display: flex;
  align-items: center;
  gap: var(--tk-space-2);
  padding: var(--tk-space-2) var(--tk-space-4);
  background: linear-gradient(135deg, var(--tk-gray-800) 0%, var(--tk-black) 100%);
  color: var(--tk-white);
  border-radius: var(--tk-radius-pill);
  font-weight: var(--tk-font-weight-bold);
  font-size: var(--tk-font-size-sm);
  text-decoration: none;
  transition: all var(--tk-transition-fast);
  border: 2px solid transparent;
  box-shadow: var(--tk-shadow-sm);
}

.profile-btn:hover {
  background: linear-gradient(135deg, var(--tk-orange) 0%, var(--tk-orange-dark) 100%);
  transform: translateY(-2px);
  box-shadow: var(--tk-shadow-colored-orange);
  color: var(--tk-white);
  text-decoration: none;
}

.profile-btn-icon {
  font-size: var(--tk-font-size-base);
}

.profile-btn-text {
  display: inline;
}

/* ============================================
   NAVIGATION BAR
   ============================================ */
.header-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--tk-space-2);
  padding: var(--tk-space-3) var(--tk-space-6);
  background: linear-gradient(180deg, var(--tk-gray-50) 0%, var(--tk-white) 100%);
  border-top: 1px solid var(--tk-gray-100);
  max-width: 1400px;
  margin: 0 auto;
}

.header_link {
  display: flex;
  align-items: center;
  gap: var(--tk-space-2);
  text-decoration: none;
  color: var(--tk-gray-700);
  padding: var(--tk-space-2) var(--tk-space-4);
  border-radius: var(--tk-radius-lg);
  font-weight: var(--tk-font-weight-semibold);
  font-size: var(--tk-font-size-sm);
  transition: all var(--tk-transition-fast);
  position: relative;
  white-space: nowrap;
  background: transparent;
}

.header_link_icon {
  font-size: var(--tk-font-size-base);
  transition: all var(--tk-transition-fast);
}

.header_link:hover {
  color: var(--tk-white);
  background: linear-gradient(135deg, var(--tk-orange) 0%, var(--tk-orange-dark) 100%);
  transform: translateY(-2px);
  box-shadow: var(--tk-shadow-colored-orange);
  text-decoration: none;
}

.header_link:hover .header_link_icon {
  transform: scale(1.1);
}

/* Active state */
.header_link.active {
  color: var(--tk-white);
  background: linear-gradient(135deg, var(--tk-blue) 0%, var(--tk-blue-dark) 100%);
  box-shadow: var(--tk-shadow-colored-blue);
}

/* ============================================
   BURGER MENU BUTTON
   ============================================ */
.burger-menu {
  display: none;
  background: linear-gradient(135deg, var(--tk-gray-100) 0%, var(--tk-gray-200) 100%);
  border: 2px solid var(--tk-gray-200);
  font-size: var(--tk-font-size-xl);
  color: var(--tk-gray-700);
  cursor: pointer;
  padding: var(--tk-space-2);
  border-radius: var(--tk-radius-lg);
  transition: all var(--tk-transition-fast);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}

.burger-menu:hover {
  background: linear-gradient(135deg, var(--tk-orange) 0%, var(--tk-orange-dark) 100%);
  color: var(--tk-white);
  border-color: var(--tk-orange);
  transform: scale(1.05);
  box-shadow: var(--tk-shadow-colored-orange);
}

.burger-menu:focus {
  outline: 3px solid var(--tk-orange-light);
  outline-offset: 2px;
}

/* ============================================
   MOBILE MENU CONTENT
   ============================================ */
.burger-menu-content {
  display: none;
}

.mobile-search {
  width: 100%;
  padding: var(--tk-space-4);
  background: linear-gradient(135deg, var(--tk-blue) 0%, var(--tk-blue-dark) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   RESPONSIVE DESIGN - Mobile First
   ============================================ */

/* Large tablets and small desktops */
@media screen and (max-width: 1024px) {
  .header-top {
    padding: var(--tk-space-3) var(--tk-space-4);
    gap: var(--tk-space-4);
  }

  .header-nav {
    gap: var(--tk-space-1);
    padding: var(--tk-space-2) var(--tk-space-4);
  }

  .header_link {
    font-size: var(--tk-font-size-xs);
    padding: var(--tk-space-2) var(--tk-space-3);
  }

  .header_link_icon {
    font-size: var(--tk-font-size-sm);
  }

  .header-search {
    max-width: 350px;
  }
}

/* Tablets and Mobile */
@media screen and (max-width: 768px) {
  /* Show burger menu */
  .burger-menu {
    display: flex;
    order: -1;
  }

  .header-top {
    padding: var(--tk-space-3) var(--tk-space-4);
    gap: var(--tk-space-3);
  }

  /* Hide desktop navigation */
  .header-nav {
    display: none;
  }

  /* Hide desktop search */
  .header-search {
    display: none;
  }

  /* Simplify brand */
  .header_main_link {
    min-width: auto;
    flex: 1;
  }

  .brand-name {
    font-size: var(--tk-font-size-xl);
  }

  .brand-subtitle {
    font-size: 0.65rem;
  }

  /* Adjust header actions */
  .header-actions {
    gap: var(--tk-space-2);
  }

  .profile-btn {
    padding: var(--tk-space-2);
  }

  .profile-btn-text {
    display: none;
  }

  /* Burger menu content - Slide from left */
  .burger-menu-content {
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, var(--tk-gray-900) 0%, var(--tk-black) 100%);
    width: 85vw;
    max-width: 320px;
    height: calc(100vh - 70px);
    position: fixed;
    top: 70px;
    left: 0;
    z-index: var(--tk-z-modal);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.4);
    overflow-y: auto;
    animation: slideInMenu 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  }

  @keyframes slideInMenu {
    from {
      transform: translateX(-100%);
      opacity: 0.5;
    }
    to {
      transform: translateX(0);
      opacity: 1;
    }
  }

  .burger_link {
    display: flex;
    align-items: center;
    gap: var(--tk-space-4);
    padding: var(--tk-space-5) var(--tk-space-6);
    color: var(--tk-white);
    text-decoration: none;
    font-size: var(--tk-font-size-base);
    font-weight: var(--tk-font-weight-semibold);
    transition: all var(--tk-transition-fast);
    border-left: 4px solid transparent;
    background: transparent;
  }

  .burger_link_icon {
    font-size: var(--tk-font-size-lg);
    color: var(--tk-gray-400);
    transition: all var(--tk-transition-fast);
    width: 24px;
  }

  .burger_link:hover {
    background: linear-gradient(90deg, rgba(243, 156, 18, 0.2) 0%, transparent 100%);
    color: var(--tk-orange);
    border-left-color: var(--tk-orange);
    padding-left: calc(var(--tk-space-6) + 4px);
  }

  .burger_link:hover .burger_link_icon {
    color: var(--tk-orange);
    transform: scale(1.1);
  }

  /* Separator between mobile search and links */
  .burger-menu-content .mobile-search + .burger_link {
    margin-top: var(--tk-space-2);
  }

  /* Staggered animation for links */
  .burger_link:nth-child(2) { animation: slideInLink 0.4s ease 0.05s both; }
  .burger_link:nth-child(3) { animation: slideInLink 0.4s ease 0.1s both; }
  .burger_link:nth-child(4) { animation: slideInLink 0.4s ease 0.15s both; }
  .burger_link:nth-child(5) { animation: slideInLink 0.4s ease 0.2s both; }
  .burger_link:nth-child(6) { animation: slideInLink 0.4s ease 0.25s both; }

  @keyframes slideInLink {
    from {
      opacity: 0;
      transform: translateX(-20px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  /* Footer with profile button */
  .burger-menu-footer {
    margin-top: auto;
    padding: var(--tk-space-4) var(--tk-space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
  }

  .burger-profile-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--tk-space-3);
    width: 100%;
    padding: var(--tk-space-4);
    background: linear-gradient(135deg, var(--tk-orange) 0%, var(--tk-orange-dark) 100%);
    color: var(--tk-white);
    border-radius: var(--tk-radius-lg);
    font-weight: var(--tk-font-weight-bold);
    font-size: var(--tk-font-size-base);
    text-decoration: none;
    transition: all var(--tk-transition-fast);
    box-shadow: var(--tk-shadow-colored-orange);
  }

  .burger-profile-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(243, 156, 18, 0.4);
    color: var(--tk-white);
  }
}

/* Small phones */
@media screen and (max-width: 480px) {
  .header-top {
    padding: var(--tk-space-2) var(--tk-space-3);
  }

  .brand-name {
    font-size: var(--tk-font-size-lg);
  }

  .brand-subtitle {
    display: none;
  }

  .burger-menu {
    width: 40px;
    height: 40px;
    font-size: var(--tk-font-size-lg);
  }

  .burger-menu-content {
    width: 90vw;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .header_main_link,
  .header_link,
  .profile-btn,
  .burger-menu,
  .burger_link,
  .burger-menu-content {
    transition: none;
    animation: none;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .header {
    border-bottom: 3px solid var(--tk-gray-900);
  }

  .header_link:hover,
  .header_link.active {
    outline: 2px solid currentColor;
  }
}