/* =============================================================================
   LAYOUT STYLES - Container, Grid, Header, Footer
   Version: 1.0.0
   ============================================================================= */

/* =========================================================================
   CONTAINER (Bootstrap-Ersatz)
   ========================================================================= */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-lg {
  max-width: var(--container-max-width-lg);
}

.container-fluid {
  max-width: 100%;
}

/* =========================================================================
   MAIN WRAPPER
   ========================================================================= */

#all {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

#main-container {
  flex: 1;
}

/* =========================================================================
   SECTIONS
   ========================================================================= */

section,
.section {
  margin-bottom: var(--spacing-2xl);
}

.section-padded {
  padding: var(--spacing-2xl) 0;
}

.section-rosa {
  background-color: var(--color-section-rosa);
  border-radius: var(--radius-3xl);
}

/* =========================================================================
   HEADER / NAVIGATION
   ========================================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-fixed);
  background-color: var(--color-bg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), background-color var(--transition-base);
}

/* Scrolled state - more prominent shadow */
.site-header.scrolled {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

/* Logo */
.header-logo {
  flex-shrink: 0;
}

.header-logo .logo-img {
  max-height: 60px;
  width: auto;
}

.header-logo .logo-text {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-dark);
  text-decoration: none;
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 28px 18px;
  color: var(--color-text-dark);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-base);
}

/* Hover-Unterstrich */
.nav-link::before {
  content: "";
  position: absolute;
  width: 0;
  height: 3px;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #4b6cb7 0%, #182848 100%);
  transition: width var(--transition-base);
}

.nav-item:hover .nav-link::before,
.nav-item.active .nav-link::before {
  width: 70%;
}

.nav-item.active .nav-link {
  color: #4b6cb7;
  font-weight: var(--font-weight-semibold);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-sm);
  background: transparent;
  border: none;
  cursor: pointer;
}

.hamburger-line {
  width: 25px;
  height: 3px;
  background-color: #4b6cb7;
  transition: all var(--transition-base);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.9);
  z-index: calc(var(--z-fixed) - 1);
  padding-top: 80px;
}

.mobile-menu-overlay.active {
  display: block;
}

.mobile-nav-menu {
  list-style: none;
  padding: var(--spacing-lg);
  margin: 0;
}

.mobile-nav-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-link {
  display: block;
  padding: var(--spacing-md) 0;
  color: var(--color-white);
  font-size: var(--font-size-lg);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
  color: var(--color-primary);
  outline: none;
}

/* =========================================================================
   FOCUS STATES (Keyboard Navigation)
   ========================================================================= */

/* Desktop Navigation Focus */
.nav-link:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.nav-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

/* Mobile Menu Toggle Focus */
.mobile-menu-toggle:focus {
  outline: 2px solid #4b6cb7;
  outline-offset: 4px;
}

.mobile-menu-toggle:focus-visible {
  outline: 2px solid #4b6cb7;
  outline-offset: 4px;
}

/* Mobile Nav Link Focus */
.mobile-nav-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  background-color: rgba(255, 255, 255, 0.1);
}

/* Skip focus outline for mouse users */
.nav-link:focus:not(:focus-visible),
.mobile-menu-toggle:focus:not(:focus-visible),
.mobile-nav-link:focus:not(:focus-visible) {
  outline: none;
}

/* Logo Focus */
.logo-link:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.logo-link:focus:not(:focus-visible) {
  outline: none;
}

/* =========================================================================
   FOOTER
   ========================================================================= */

#footer {
  background-color: #1a2a4a;
  padding: 1rem 0;
  color: #ffffff;
  text-align: center;
  margin-top: 3rem;
}

#footer .footer-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
}

#footer .footer-separator {
  margin: 0 0.5rem;
  color: rgba(255, 255, 255, 0.5);
}

#footer a {
  color: #ffffff;
  text-decoration: none;
  transition: color var(--transition-fast);
}

#footer a:hover,
#footer a:focus {
  color: #d4850a;
  text-decoration: underline;
}

.footer-social a {
  color: var(--color-text);
  font-size: 25px;
  margin: 0 var(--spacing-sm) 0 0;
  transition: color var(--transition-fast);
}

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

/* =========================================================================
   COPYRIGHT (NICHT MEHR VERWENDET - Integriert in Footer)
   ========================================================================= */

/* #copyright {
  background-color: var(--color-copyright);
  color: var(--color-text-light);
  padding: var(--spacing-3xl) 0;
  font-size: var(--font-size-sm);
  line-height: 28px;
  max-width: var(--container-max-width-lg);
  margin: var(--spacing-3xl) auto 0;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

#copyright p {
  margin: 0;
} */

.menu-horizontal {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.menu-horizontal a {
  color: var(--color-white);
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  transition: color var(--transition-base);
}

.menu-horizontal a:hover,
.menu-horizontal a:focus {
  color: #ffddc1;
}

.menu-horizontal a:focus-visible {
  outline: 2px solid #ffddc1;
  outline-offset: 4px;
}

.menu-horizontal a:focus:not(:focus-visible) {
  outline: none;
}

/* =========================================================================
   FLEX UTILITIES
   ========================================================================= */

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-around {
  justify-content: space-around;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* =========================================================================
   GRID UTILITIES
   ========================================================================= */

.grid {
  display: grid;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* =========================================================================
   SPACING UTILITIES
   ========================================================================= */

/* Margin */
.m-0 { margin: 0; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* Padding */
.p-0 { padding: 0; }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }
.py-sm { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-md { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-lg { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-xl { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }
.px-sm { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-md { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-lg { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }
.px-xl { padding-left: var(--spacing-xl); padding-right: var(--spacing-xl); }

/* ============================================================================
   BLOG LAYOUTS
   ============================================================================ */

/* Blog Layout Container
   ========================================================================== */
.blog-layout {
  display: grid;
  gap: 3rem;
  align-items: start;
}

/* Blog List Layout: Main LEFT, Sidebar RIGHT
   ========================================================================== */
.blog-layout-list {
  grid-template-columns: 1fr 280px;
  grid-template-areas: "main sidebar";
}

.blog-layout-list .blog-layout-sidebar {
  grid-area: sidebar;
}

.blog-layout-list .blog-layout-main {
  grid-area: main;
}

/* Blog Single Layout: Main LEFT, Sidebar RIGHT
   ========================================================================== */
.blog-layout-single {
  grid-template-columns: 1fr 280px;
  grid-template-areas: "main sidebar";
}

.blog-layout-single .blog-article {
  grid-area: main;
}

.blog-layout-single .blog-layout-sidebar {
  grid-area: sidebar;
}

/* Blog Cards Grid
   ========================================================================== */
.blog-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* Blog Sidebar
   ========================================================================== */
.blog-sidebar {
  position: sticky;
  top: 100px;
  background-color: #f8f9fa;
  padding: 1.5rem;
  border-radius: 12px;
}