/* ===== CSS-Variablen ===== */
:root {
  --primary-color: #0054A6;
  --secondary-color: #FF6D00;
  --dark-color: #2C3E50;
  --light-color: #F5F5F5;
  --white: #FFFFFF;
  --text-color: #333333;
  --text-light: #666666;
  --success-color: #4CAF50;
  --warning-color: #FF9800;
  --danger-color: #F44336;

  --font-headline: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --font-accent: 'Roboto Condensed', sans-serif;

  --shadow-light: 0 2px 5px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 8px 16px rgba(0, 0, 0, 0.2);

  --border-radius: 8px;
  --border-radius-circle: 50%;
}

/* ===== Reset & Base Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background-color: var(--light-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  color: var(--dark-color);
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
}

h2 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 0.5rem;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--secondary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* ===== Layout ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.section-padding {
  padding: 2rem 0;
}

/* ===== Header & Hero ===== */
.hero {
  background: linear-gradient(rgba(0, 84, 166, 0.8), rgba(0, 84, 166, 0.8)),
              url('../images/gruppenbild.jpeg') center/cover no-repeat;
  color: var(--white);
  text-align: center;
  height: 400px;
  padding: 0 1rem;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  font-weight: 300;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* ===== Main Navigation ===== */
.main-nav {
  background-color: var(--white);
  box-shadow: var(--shadow-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 0;
}

.main-nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--dark-color);
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
  font-family: var(--font-accent);
}

.main-nav a:hover,
.main-nav a.active {
  background-color: var(--primary-color);
  color: var(--white);
}

/* ===== Sprachumschalter ===== */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.lang-switch button {
  border: 1px solid var(--primary-color);
  background-color: transparent;
  color: var(--primary-color);
  font-family: var(--font-accent);
  font-weight: 600;
  padding: 0.4rem 0.7rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.3s ease;
}

.lang-switch button:hover {
  background-color: var(--primary-color);
  color: var(--white);
}

.lang-switch button.active {
  background-color: var(--primary-color);
  color: var(--white);
}

/* ===== Buttons ===== */
.cta-button {
  display: inline-block;
  background-color: var(--primary-color);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: all 0.3s ease;
  font-family: var(--font-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: var(--shadow-light);
}

.cta-button:hover {
  background-color: var(--dark-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.card-button {
  display: inline-block;
  background-color: var(--secondary-color);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: all 0.3s ease;
  font-family: var(--font-accent);
  margin-top: 1rem;
}

.card-button:hover {
  background-color: #E55A00;
  transform: translateY(-2px);
}

/* ===== Back Button ===== */
.back-button {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.5rem 1rem;
  background-color: var(--primary-color);
  color: var(--white);
  text-decoration: none;
  border-radius: var(--border-radius);
  font-weight: bold;
  font-family: var(--font-accent);
}

.back-button:hover {
  background-color: var(--dark-color);
}

/* ===== Categories Grid ===== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.category-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-heavy);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

/* ===== Projects Grid ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
  padding: 1rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Projects Section Styling */
.projects-section {
  margin-bottom: 2rem;
  padding: 1rem 0;
}

.completed-section {
  background-color: #f8f9fa;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  text-align: center;
  justify-content: center;
  padding: 0 1rem;
}

.status-label {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark-color);
}

.year-badge {
  background: var(--primary-color);
  color: var(--white);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

.completion-year {
  color: var(--success-color);
  font-weight: 600;
  margin-left: auto;
  display: block;
  text-align: right;
  font-size: 0.9rem;
}

.project-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-heavy);
}

.project-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: #eee;
}

/* Unscharfer Hintergrund aus demselben Bild (füllt leere Ränder) */
.project-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--project-bg);
  background-size: cover;
  background-position: center;
  filter: blur(24px) brightness(0.92);
  transform: scale(1.2);
  z-index: 0;
}

.project-image img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.priority-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.priority-badge.dringend {
  background-color: var(--danger-color);
}

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

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

.project-content {
  padding: 1.5rem;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  margin: 1rem 0;
  color: var(--text-light);
  font-size: 0.9rem;
}

.progress-bar {
  height: 8px;
  background-color: #e0e0e0;
  border-radius: 4px;
  margin: 1rem 0;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background-color: var(--primary-color);
  border-radius: 4px;
  transition: width 0.5s ease;
}

.completed-badge {
  display: inline-block;
  background-color: var(--success-color);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* ===== Timeline ===== */
.timeline {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  background-color: var(--primary-color);
  height: 100%;
}

.timeline-item {
  display: flex;
  margin-bottom: 3rem;
  position: relative;
}

.timeline-date {
  width: 100px;
  text-align: center;
  padding: 1rem;
  position: relative;
}

.timeline-date .year {
  display: block;
  font-weight: 700;
  color: var(--primary-color);
}

.timeline-date .month {
  display: block;
  font-size: 0.9rem;
  color: var(--text-light);
}

.timeline-content {
  flex: 1;
  padding: 1rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background-color: var(--white);
  border: 3px solid var(--primary-color);
  border-radius: 50%;
  top: 20px;
  z-index: 1;
}

.equipment-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-light);
  display: flex;
  gap: 1.5rem;
}

.equipment-image img {
  width: 150px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--border-radius);
}

/* ===== Events ===== */
.events {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.event-card {
  display: flex;
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-light);
  gap: 1.5rem;
}

.event-date {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 1rem;
  border-radius: var(--border-radius);
  text-align: center;
  min-width: 100px;
}

.event-date .day {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.event-date .month {
  display: block;
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.event-details h3 {
  margin-bottom: 0.5rem;
}

.event-details p {
  margin-bottom: 0.25rem;
  color: var(--text-light);
}

/* ===== Donation Options ===== */
.donation-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.donation-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow-light);
}

.donation-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.donation-form input,
.donation-form select {
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: 1rem;
}

.donation-form button {
  margin-top: 0.5rem;
}

.donation-card ul {
  list-style: none;
  margin: 1rem 0;
}

.donation-card li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #eee;
}

/* ===== Bank Details ===== */
.bank-details {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.bank-info {
  display: flex;
  gap: 2rem;
  background-color: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
}

.bank-text {
  flex: 1;
}

.bank-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.bank-qr img {
  width: 200px;
  height: 200px;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
}

.tax-info {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-top: 1rem;
}

/* ===== About Section ===== */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 2rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}

.about-image img {
  width: 100%;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
}

/* ===== Task Grid ===== */
.task-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  padding: 2rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.task-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
}

.task-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.task-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

/* ===== Contact Grid ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  padding: 2rem 1rem;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-card {
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.contact-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

/* ===== Documents List ===== */
.documents {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.document-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.document-card {
  display: flex;
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  text-decoration: none;
  color: var(--text-color);
  gap: 1rem;
}

.document-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.document-icon {
  font-size: 2rem;
  color: var(--primary-color);
}

.document-info h4 {
  margin-bottom: 0.25rem;
}

.document-info p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ===== Filters & Year Filter ===== */
.filters,
.year-filter {
  display: flex;
  justify-content: center;
  gap: 1rem;
  padding: 1rem;
  flex-wrap: wrap;
}

.filter-button,
.year-button {
  padding: 0.5rem 1rem;
  border: none;
  background-color: #e0e0e0;
  color: var(--text-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-accent);
}

.filter-button:hover,
.year-button:hover {
  background-color: var(--primary-color);
  color: var(--white);
}

.filter-button.active,
.year-button.active {
  background-color: var(--primary-color);
  color: var(--white);
}

/* ===== Map Section ===== */
.map-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  margin-bottom: 2rem;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.location-info {
  background-color: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  text-align: center;
}

/* ===== Highlights Section ===== */
.highlights {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.highlight-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  background-color: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow-light);
  align-items: center;
}

.highlight-card img {
  width: 100%;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
}

.highlight-content h3 {
  margin-bottom: 1rem;
}

.highlight-content p {
  margin-bottom: 1.5rem;
}

/* ===== Footer ===== */
footer {
  background-color: var(--dark-color);
  color: var(--white);
  padding: 2rem 0;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-content nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-content nav a {
  color: var(--white);
  font-family: var(--font-accent);
  transition: color 0.3s ease;
}

.footer-content nav a:hover {
  color: var(--secondary-color);
}

/* ===== Utility Classes ===== */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
  .about {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-image {
    order: -1;
  }

  .bank-info {
    flex-direction: column;
    text-align: center;
  }

  .timeline::before {
    left: 30px;
  }

  .timeline-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .timeline-date {
    width: auto;
    padding-left: 60px;
  }

  .timeline-content {
    padding-left: 60px;
    margin-left: 0;
  }

  .timeline-item::before {
    left: 30px;
  }

  .highlight-card {
    grid-template-columns: 1fr;
  }

  .highlight-card img {
    margin-bottom: 1.5rem;
  }
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .hero .subtitle {
    font-size: 1.2rem;
  }

  .main-nav ul {
    gap: 0.5rem;
  }

  .main-nav a {
    padding: 0.5rem;
    font-size: 0.9rem;
  }

  .categories-grid,
  .projects-grid,
  .donation-options {
    grid-template-columns: 1fr;
  }

  .event-card {
    flex-direction: column;
    text-align: center;
  }

  .event-date {
    width: 100%;
  }

  .equipment-card {
    flex-direction: column;
  }

  .equipment-image img {
    width: 100%;
    height: auto;
  }

  .highlight-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .cta-button {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
  }

  .filters,
  .year-filter {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-button,
  .year-button {
    width: 100%;
  }

  .bank-info {
    gap: 1rem;
  }
}