/* ========== HEADER & NAVIGATION ========== */
.site-header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0;
  position: relative;
  z-index: var(--z-sticky);
  transition: all var(--transition-normal);
}

.site-header.is-sticky {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  box-shadow: var(--shadow-md);
  padding: var(--spacing-md) 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-content {
  width: 100%;
  gap: var(--spacing-2xl);
}

/* Logo & Branding */
.site-branding {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 0 0 auto;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.logo-link:hover {
  opacity: 0.8;
}

.logo-icon {
  flex-shrink: 0;
  border-radius: var(--border-radius-md);
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.logo-main {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  line-height: 1;
}

.logo-tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  font-weight: var(--font-weight-normal);
}

.site-description {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  font-style: italic;
}

/* Contact Info */
.header-contact {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  text-align: right;
  flex: 0 0 auto;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.contact-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-light);
}

.contact-value {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

/* Navigation */
.site-navigation {
  width: 100%;
  margin-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-lg);
}

.site-navigation .menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.site-navigation .menu li {
  margin: 0;
}

.site-navigation .menu a {
  display: block;
  padding: var(--spacing-md) 0;
  color: var(--color-text);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
  border-bottom: 2px solid transparent;
  position: relative;
}

.site-navigation .menu a:hover,
.site-navigation .menu a.current-menu-item {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: var(--spacing-xs);
  background: none;
  border: none;
  padding: var(--spacing-md);
  cursor: pointer;
  margin-left: auto;
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition-normal);
}

.menu-toggle.is-open .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translateY(10px);
}

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

.menu-toggle.is-open .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translateY(-10px);
}

.menu-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-top: var(--spacing-xs);
}

/* ========== HERO SECTION ========== */
.hero-section {
  position: relative;
  height: 60vh;
  min-height: 400px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #0079b3 100%);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero-section h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
  color: white;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  justify-content: center;
}

/* ========== SECTIONS ========== */
.section-freie-objekte,
.section-about,
.section-interessentenliste-cta,
.section-location {
  padding: var(--spacing-4xl) 0;
}

.section-freie-objekte {
  background-color: var(--color-bg-light);
}

.section-about {
  background-color: white;
}

.section-interessentenliste-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0079b3 100%);
  color: white;
  text-align: center;
}

.section-interessentenliste-cta h2,
.section-interessentenliste-cta p {
  color: white;
}

.section-footer {
  margin-top: var(--spacing-2xl);
  text-align: center;
}

/* ========== OBJEKT KACHELN ========== */
.objekte-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin: var(--spacing-2xl) 0;
}

.objekt-kachel {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: var(--shadow-sm);
}

.objekt-kachel:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.kachel-image {
  position: relative;
  width: 100%;
  padding-bottom: 66.67%;
  overflow: hidden;
  background-color: var(--color-bg-light);
}

.kachel-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.objekt-kachel:hover .kachel-image img {
  transform: scale(1.05);
}

.badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  z-index: 2;
}

.badge-success {
  background-color: var(--color-success);
  color: white;
}

.badge-warning {
  background-color: var(--color-warning);
  color: white;
}

.kachel-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.kachel-title {
  margin: 0 0 var(--spacing-md) 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.kachel-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.icon-small {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.kachel-price {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

.price-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.price-value {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
}

/* ========== ABOUT SECTION ========== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.about-text h2 {
  color: var(--color-primary);
}

.about-image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-img {
  width: 100%;
  height: auto;
  display: block;
}

/* ========== FOOTER ========== */
.site-footer {
  background-color: var(--color-secondary);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  margin-top: var(--spacing-4xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.footer-logo-text {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
}

.footer-address {
  font-size: var(--font-size-sm);
  line-height: 1.8;
  margin: 0;
}

.footer-address a {
  color: #e6f4fb;
}

.footer-column h3 {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
  color: white;
}

.footer-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-menu li {
  margin-bottom: var(--spacing-md);
}

.footer-menu a {
  color: #e6f4fb;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-menu a:hover {
  color: white;
}

.footer-hours {
  font-size: var(--font-size-sm);
  margin: 0;
}

.footer-copyright {
  text-align: center;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
}

.footer-copyright a {
  color: #e6f4fb;
}

/* ========== FORMS ========== */
.form-section {
  margin: var(--spacing-2xl) 0;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.form-row.full-width {
  grid-template-columns: 1fr;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

label {
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
}

.required {
  color: var(--color-error);
}

select,
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="month"],
textarea {
  font-size: var(--font-size-base);
  border-radius: var(--border-radius-md);
}

textarea {
  min-height: 150px;
}

/* Checkboxes */
.checkbox-group,
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

input[type="checkbox"]:checked {
  accent-color: var(--color-primary);
}

/* Form Messages */
.form-message {
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  border-radius: var(--border-radius-md);
  display: none;
}

.form-message.show {
  display: block;
}

.form-message.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.form-message.error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.form-actions {
  margin-top: var(--spacing-xl);
}

.btn-large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

/* ========== PAGES ========== */
.page-header {
  text-align: center;
  padding: var(--spacing-2xl) 0;
  margin-bottom: var(--spacing-2xl);
}

.page-header h1 {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.page-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
}

.page-content {
  margin: var(--spacing-2xl) 0;
}

.entry-header {
  margin-bottom: var(--spacing-2xl);
}

.entry-title {
  margin: 0 0 var(--spacing-lg) 0;
}

/* ========== FILTER SECTION ========== */
.filter-section {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-lg);
  background-color: var(--color-bg-light);
  border-radius: var(--border-radius-md);
}

.filter-group {
  display: flex;
  flex-direction: column;
}

.filter-group label {
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.filter-select {
  font-size: var(--font-size-sm);
}

.filter-reset {
  display: flex;
  align-items: flex-end;
}

.filter-loading {
  text-align: center;
  padding: var(--spacing-2xl);
}

.spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ========== OBJEKT DETAIL PAGE ========== */
.breadcrumb {
  margin: var(--spacing-xl) 0;
  font-size: var(--font-size-sm);
}

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

.breadcrumb-separator {
  color: var(--color-text-light);
  margin: 0 var(--spacing-sm);
}

.breadcrumb-current {
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
}

/* Hero Gallery */
.objekt-hero-gallery {
  margin: var(--spacing-2xl) 0;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.gallery-main {
  width: 100%;
  height: 500px;
  background-color: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.main-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-thumbnails {
  display: flex;
  gap: var(--spacing-md);
  overflow-x: auto;
  padding: var(--spacing-md);
  background-color: var(--color-bg-light);
  border-radius: var(--border-radius-md);
}

.thumbnail-img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.thumbnail-img:hover {
  border-color: var(--color-primary);
}

/* Detail Grid */
.objekt-detail-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-2xl);
  margin: var(--spacing-2xl) 0;
}

.objekt-main {
  flex: 1;
}

.objekt-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.objekt-header h1 {
  margin: 0;
  flex: 1;
}

.objekt-features,
.objekt-grundriss {
  margin: var(--spacing-2xl) 0;
}

.objekt-features h3,
.objekt-grundriss h3 {
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
}

.features-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-bg-light);
  border-radius: var(--border-radius-md);
}

.feature-item svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Sidebar */
.objekt-sidebar {
  position: sticky;
  top: 100px;
}

.objekt-info-box {
  background-color: var(--color-bg-light);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
}

.objekt-info-box h3 {
  margin: 0 0 var(--spacing-lg) 0;
  color: var(--color-primary);
  font-size: var(--font-size-lg);
}

.info-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
}

.info-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-light);
}

.info-value {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.info-divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--spacing-lg) 0;
}

.info-price {
  margin: var(--spacing-lg) 0;
}

.price-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  font-size: var(--font-size-sm);
}

.price-item.total {
  padding: var(--spacing-md) 0;
  border-top: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  margin-top: var(--spacing-md);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
}

.price-label {
  color: var(--color-text-light);
}

.price-value {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.objekt-ctas {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.objekt-map {
  margin-top: var(--spacing-lg);
}

/* ========== 404 PAGE ========== */
.error-404 {
  text-align: center;
  padding: var(--spacing-4xl) 0;
}

.error-404-icon {
  font-size: 6rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--spacing-lg);
}

.error-404-content {
  max-width: 600px;
  margin: 0 auto;
}

.error-description {
  margin-bottom: var(--spacing-2xl);
  color: var(--color-text-light);
}

.error-actions {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.error-contact {
  background-color: var(--color-bg-light);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  margin-top: var(--spacing-2xl);
  text-align: left;
}

.error-contact h3 {
  margin-top: 0;
  color: var(--color-primary);
}

.error-contact p {
  margin: var(--spacing-md) 0;
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 1200px) {
  .header-content {
    flex-wrap: wrap;
    gap: var(--spacing-lg);
  }

  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-contact {
    width: 100%;
    text-align: left;
    flex-direction: row;
    gap: var(--spacing-2xl);
  }

  .site-navigation {
    margin-top: 0;
    border-top: none;
    padding-top: 0;
    width: 100%;
  }

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

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }

  .objekt-detail-grid {
    grid-template-columns: 1fr;
  }

  .objekt-sidebar {
    position: static;
  }

  .filter-section {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .menu-toggle {
    display: flex;
  }

  .site-navigation {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg);
    flex-direction: column;
    z-index: var(--z-dropdown);
  }

  .site-navigation.is-open {
    display: flex;
  }

  .site-navigation .menu {
    flex-direction: column;
    gap: 0;
  }

  .site-navigation .menu a {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-border);
  }

  .objekte-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .filter-section {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .hero-section h1 {
    font-size: var(--font-size-3xl);
  }

  .error-actions {
    flex-direction: column;
  }

  .error-actions .btn {
    width: 100%;
  }
}

@media (max-width: 600px) {
  .site-header {
    padding: var(--spacing-md) 0;
  }

  .site-header.is-sticky {
    padding: var(--spacing-sm) 0;
  }

  .site-branding {
    width: 100%;
    gap: var(--spacing-md);
  }

  .logo-icon {
    width: 32px;
    height: 32px;
  }

  .logo-main {
    font-size: var(--font-size-base);
  }

  .logo-tagline {
    display: none;
  }

  .site-description {
    display: none;
  }

  .header-contact {
    display: none;
  }

  .hero-section {
    min-height: 300px;
  }

  .hero-section h1 {
    font-size: var(--font-size-2xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
  }

  .gallery-main {
    height: 300px;
  }

  .feature-item {
    padding: var(--spacing-md);
  }

  .features-list {
    grid-template-columns: 1fr;
  }

  .filter-section {
    padding: var(--spacing-md);
  }

  .filter-group label {
    font-size: var(--font-size-sm);
  }

  .objekt-info-box {
    padding: var(--spacing-md);
  }
}

/* ========== PRINT ========== */
@media print {
  header,
  footer,
  .menu-toggle,
  .filter-section,
  .hero-buttons,
  .objekt-ctas {
    display: none;
  }

  body {
    background: white;
  }

  .objekt-detail-grid {
    grid-template-columns: 1fr;
  }
}