/* ============================================
   HEADER & NAVIGATION - newsletter-tools.de
   Neues Design-System 2026
   ============================================ */

/* Header */
.site-header {
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-base);
}

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

.site-header .container,
.site-header .header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  max-width: var(--container-max);
  margin: 0 auto;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text-primary);
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.logo:hover {
  text-decoration: none;
  color: var(--color-primary);
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-icon svg {
  width: 40px;
  height: 40px;
}

.logo img { height: 40px; width: auto; }

.logo-tld {
  color: var(--color-text-muted);
  font-weight: 600;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text .main {
  font-size: 1.125rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--color-primary);
}

.logo-text .sub {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

/* Main Navigation */
.main-nav {
  display: flex;
  align-items: center;
}

.main-nav ul,
.nav-list {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav > ul > li,
.nav-item {
  position: relative;
  margin: 0;
}

.main-nav > ul > li > a,
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-secondary);
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: 0.9375rem;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.main-nav > ul > li > a:hover,
.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  text-decoration: none;
}

.main-nav > ul > li > a.active,
.nav-link.active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  font-weight: 600;
}

/* Nav Icons (top-level navigation icons) */
.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.85;
  color: var(--color-primary);
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.nav-link:hover .nav-icon {
  opacity: 1;
  color: var(--color-primary-hover);
}

.nav-link.active .nav-icon {
  opacity: 1;
  color: var(--color-primary);
}

/* Dropdown Arrow */
.nav-link .arrow {
  width: 12px;
  height: 12px;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link .arrow,
.dropdown:hover > a .arrow {
  transform: rotate(180deg);
}

/* ============================================
   STANDARD DROPDOWN MENU
   ============================================ */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-base);
  list-style: none;
  z-index: 100;
  border: 1px solid var(--color-border);
}

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

.dropdown-menu li { margin: 0; }

.dropdown-menu a,
.dropdown-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-size: 0.9375rem;
}

.dropdown-menu a:hover,
.dropdown-link:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  text-decoration: none;
}

.dropdown-menu a.active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

/* Dropdown Group Labels */
.dropdown-group-label {
  padding: var(--space-2) var(--space-4) var(--space-1);
  font-size: 0.6875rem;
  font-weight: 700;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  pointer-events: none;
}

.dropdown-divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--space-1) 0;
}

/* Tool Badge in Dropdown */
.dropdown-link .tool-badge {
  font-size: 0.625rem;
  font-weight: 600;
  padding: 0.125rem 0.375rem;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-left: auto;
  white-space: nowrap;
}

.tool-badge.badge-testsieger { background: var(--color-success-bg); color: #065f46; border: 1px solid rgba(16, 185, 129, 0.2); }
.tool-badge.badge-neu { background: var(--color-info-bg); color: #1e40af; border: 1px solid rgba(59, 130, 246, 0.2); }
.tool-badge.badge-tipp { background: var(--color-warning-bg); color: #92400e; border: 1px solid rgba(245, 158, 11, 0.2); }
.tool-badge.badge-dach { background: rgba(236, 72, 153, 0.08); color: #9d174d; border: 1px solid rgba(236, 72, 153, 0.2); }

/* All-link at bottom of dropdown */
.dropdown-all-link a {
  color: var(--color-primary) !important;
  font-weight: 600 !important;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-1);
  padding-top: var(--space-3) !important;
}

.dropdown-all-link a:hover {
  background-color: var(--color-primary-light) !important;
}

/* ============================================
   MEGA MENU (for Newsletter-Tools)
   ============================================ */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  transform: translateY(8px);
  min-width: 680px;
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 100;
  border: 1px solid var(--color-border);
}

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

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 2rem;
}

.mega-menu-column {
  min-width: 0;
  text-align: left;
}

.mega-menu-column h4 {
  font-size: 0.6875rem;
  font-weight: 700;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  padding: 0 0 var(--space-2);
  margin: 0 0 var(--space-1);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.mega-menu-column ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.mega-menu-column li { margin: 0; }

.mega-menu-column a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4375rem 0;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-align: left;
  justify-content: flex-start;
}

.mega-menu-column a:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  text-decoration: none;
}

/* Menu Icons (mi = menu item icon, hi = heading icon) */
.mi {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.7;
  color: var(--color-primary);
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.mega-menu-column a:hover .mi {
  opacity: 1;
  color: var(--color-primary-hover);
}

.hi {
  width: 14px;
  height: 14px;
  opacity: 0.75;
  color: var(--color-primary);
  vertical-align: -2px;
  margin-right: 3px;
}

.mega-menu-column a .tool-badge {
  font-size: 0.5625rem;
  font-weight: 600;
  padding: 0.0625rem 0.3125rem;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-left: auto;
  white-space: nowrap;
}

/* Mega Menu Wide (4 columns for Ratgeber) */
.mega-menu.mega-menu-wide {
  min-width: 900px;
  /* Viewport-aware positioning: align right to prevent overflow */
  left: auto;
  right: 0;
}

/* Fallback: constrain all mega-menus to viewport */
.mega-menu {
  max-width: calc(100vw - 2rem);
}

.mega-menu-grid.mega-menu-4col {
  grid-template-columns: repeat(4, 1fr);
}

/* Mega Menu Subheading (second heading within a column) */
.mega-menu-column .mega-menu-subheading {
  margin-top: var(--space-3);
}

/* Mega Menu Footer (Alle Tools Link) */
.mega-menu-footer {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mega-menu-footer a {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  padding: var(--space-1) 0;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.mega-menu-footer a:hover {
  background-color: var(--color-primary-light);
  text-decoration: none;
}

.mega-menu-footer a svg {
  width: 14px;
  height: 14px;
}

.mega-menu-footer .tools-count {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Header CTA */
.header-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: var(--space-4);
}

.search-btn {
  background: none;
  border: 1px solid var(--color-border);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.search-btn svg {
  width: 20px;
  height: 20px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--color-border);
  cursor: pointer;
  padding: 10px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: all 0.2s ease;
}

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

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

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

/* Breadcrumb */
.breadcrumb {
  background-color: var(--color-bg);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb .container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.breadcrumb ol {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--text-sm);
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
}

.breadcrumb li:not(:last-child)::after {
  content: '\203A';
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb [aria-current="page"] {
  color: var(--color-text-primary);
  font-weight: 500;
}

/* Search Modal */
.search-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
}

.search-modal.active {
  display: flex;
}

.search-modal-content {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  width: 90%;
  max-width: 600px;
  box-shadow: var(--shadow-xl);
  position: relative;
  border: 1px solid var(--color-border);
}

.search-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.search-close:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.search-close svg { width: 20px; height: 20px; }

.search-form {
  display: flex;
  gap: var(--space-2);
}

.search-form input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-family: var(--font-primary);
  outline: none;
  transition: border-color var(--transition-fast);
  background-color: var(--color-surface);
  color: var(--color-text-primary);
}

.search-form input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.search-suggestions {
  margin-top: var(--space-4);
}

.search-suggestions p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.suggestion-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.suggestion-tags a {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.8125rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-weight: 500;
}

.suggestion-tags a:hover {
  background: var(--color-primary);
  color: white;
}

/* ============================================
   MOBILE STYLES
   ============================================ */
@media (max-width: 992px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-surface);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4);
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    z-index: 999;
    border-top: 1px solid var(--color-border);
  }

  .main-nav.active {
    transform: translateX(0);
  }

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

  .main-nav > ul > li,
  .nav-item {
    border-bottom: 1px solid var(--color-border);
  }

  .main-nav > ul > li > a,
  .nav-link {
    padding: var(--space-4);
    justify-content: space-between;
    border-radius: 0;
  }

  /* Standard dropdown mobile */
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0;
    background-color: var(--color-bg);
    display: none;
    min-width: 0;
  }

  .dropdown.open > .dropdown-menu,
  .nav-item.open > .dropdown-menu {
    display: block;
  }

  .dropdown-menu a {
    padding: var(--space-3) var(--space-4) var(--space-3) var(--space-8);
  }

  /* Mega menu mobile */
  .mega-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: var(--space-3) 0;
    min-width: 0;
    background-color: var(--color-bg);
    display: none;
  }

  .nav-item.open > .mega-menu {
    display: block;
  }

  .mega-menu-grid,
  .mega-menu-grid.mega-menu-4col {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .mega-menu.mega-menu-wide {
    min-width: 0;
  }

  .mega-menu-column {
    padding: 0 var(--space-2);
  }

  .mega-menu-column h4 {
    padding: var(--space-2);
  }

  .mega-menu-column a {
    padding: var(--space-2) var(--space-2) var(--space-2) var(--space-4);
  }

  .mi {
    width: 12px;
    height: 12px;
  }

  .nav-icon {
    width: 20px;
    height: 20px;
  }

  .mega-menu-footer {
    padding: var(--space-3) var(--space-2) var(--space-1);
    flex-direction: column;
    gap: var(--space-2);
    align-items: flex-start;
  }

  .header-cta {
    margin-left: 0;
    margin-top: var(--space-4);
    justify-content: stretch;
  }

  .header-cta .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .logo { font-size: 1rem; }
  .logo-icon svg { width: 32px; height: 32px; }
  .logo-text .main { font-size: 1rem; }
}