/* ===========================================
   Zukunftshaus Karlsruhe - Website Styles
   =========================================== */

/* CSS Custom Properties - Farbpalette aus Logo */
:root {
  /* Hauptfarben */
  --color-primary: #5B8A4E;      /* Grün (Hausdach) */
  --color-primary-dark: #4A7340;
  --color-primary-light: #7BA36E;

  /* Akzentfarben */
  --color-accent-red: #D94E2A;
  --color-accent-yellow: #E8B32A;
  --color-accent-blue: #2B5C8A;

  /* Neutrale Farben - heller und luftiger */
  --color-background: #FFFFFF;
  --color-background-alt: #FAFAFA;
  --color-text: #2D2D2D;
  --color-text-light: #777777;
  --color-border: #EEEEEE;

  /* Abstände - großzügiger */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 5rem;
  --spacing-xl: 8rem;

  /* Schriften - leichter */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;

  /* Sonstiges */
  --border-radius: 0;
  --max-width: 1200px;
  --header-height: 90px;
}

/* Reset & Basis */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-light);
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-background);
  letter-spacing: 0.01em;
}

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

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

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

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ===========================================
   Header & Navigation
   =========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: border-color 0.3s ease;
}

.header.scrolled {
  border-bottom-color: #ddd;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

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

.logo-text {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-primary);
  display: none;
}

@media (min-width: 768px) {
  .logo-text {
    display: block;
  }
}

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

.nav-toggle {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-text);
  margin: 5px 0;
  transition: all 0.3s ease;
}

.nav-menu {
  display: none;
  list-style: none;
  gap: var(--spacing-md);
}

.nav-menu.active {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background-color: var(--color-background);
  padding: var(--spacing-md);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.nav-menu a {
  color: var(--color-text);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

.nav-menu a:hover::after {
  width: 100%;
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav-menu {
    display: flex;
    flex-direction: row;
  }

  .nav-menu.active {
    position: static;
    flex-direction: row;
    padding: 0;
    box-shadow: none;
  }
}

/* ===========================================
   Hero Section
   =========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.hero-image-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #f8f8f8 0%, #e8e8e8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: var(--font-size-lg);
  text-align: center;
  padding: var(--spacing-md);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(255, 255, 255, 0.85) 50%,
    rgba(255, 255, 255, 0.98) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-claim {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  font-weight: 300;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.1em;
  text-transform: lowercase;
}

.hero-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-light);
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.hero-title span {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.hero-text {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .hero-claim {
    font-size: var(--font-size-2xl);
  }

  .hero-title {
    font-size: 3.5rem;
  }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: var(--border-radius);
  font-weight: var(--font-weight-medium);
  font-size: 0.875rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid transparent;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}

.btn-outline:hover {
  background-color: var(--color-text);
  color: white;
}

/* ===========================================
   Sections
   =========================================== */
section {
  padding: var(--spacing-xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-light);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.02em;
}

.section-title span {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ===========================================
   Über uns Section
   =========================================== */
.about {
  background-color: var(--color-background);
}

.about-intro {
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
  text-align: center;
}

.about-intro p {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
}

/* Werte Grid */
.values-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .values-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.value-card {
  background-color: transparent;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  text-align: center;
  transition: transform 0.3s ease;
}

.value-card:hover {
  transform: translateY(-3px);
}

.value-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-sm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-primary);
}

.value-card:nth-child(1) .value-icon { background-color: rgba(217, 78, 42, 0.15); }
.value-card:nth-child(2) .value-icon { background-color: rgba(232, 179, 42, 0.15); }
.value-card:nth-child(3) .value-icon { background-color: rgba(91, 138, 78, 0.15); }
.value-card:nth-child(4) .value-icon { background-color: rgba(43, 92, 138, 0.15); }
.value-card:nth-child(5) .value-icon { background-color: rgba(217, 78, 42, 0.15); }

.value-card h3 {
  font-size: var(--font-size-base);
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.value-card p {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* Gruppenfoto Platzhalter */
.group-photo {
  max-width: 800px;
  margin: 0 auto;
}

.image-placeholder {
  background-color: var(--color-background-alt);
  border: 1px dashed var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  text-align: center;
  color: var(--color-text-light);
}

.image-placeholder-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  opacity: 0.4;
  color: var(--color-text-light);
}

.image-placeholder-text {
  font-size: var(--font-size-base);
}

.image-placeholder-hint {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
}

/* ===========================================
   Projekt Section
   =========================================== */
.project {
  background-color: var(--color-background);
}

.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-card {
  background-color: transparent;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border-bottom: 1px solid var(--color-border);
}

.project-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
}

.project-card h3 i {
  font-size: 1rem;
  width: 1.5rem;
}

.project-card ul {
  list-style: none;
  padding: 0;
}

.project-card li {
  padding: var(--spacing-xs) 0;
  padding-left: 1.5rem;
  position: relative;
}

.project-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: 50%;
}

/* Highlight Box */
.highlight-box {
  background-color: var(--color-background-alt);
  color: var(--color-text);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  margin-top: var(--spacing-lg);
  text-align: center;
  border: 1px solid var(--color-border);
}

.highlight-box h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.highlight-box p {
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-text-light);
}

/* ===========================================
   Mitmachen Section
   =========================================== */
.join {
  background-color: var(--color-background);
}

.join-options {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.join-card {
  background-color: transparent;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  transition: border-color 0.3s ease;
  flex: 1 1 320px;
  display: flex;
  flex-direction: column;
}


.join-card .btn {
  align-self: center;
  margin-top: auto;
  width: 250px;
  white-space: nowrap;
}

.join-card:hover {
  border-color: var(--color-primary);
}



.join-card-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.join-card h3 {
  font-size: var(--font-size-xl);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.join-card p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.join-card ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--spacing-md);
}

.join-card li {
  padding: var(--spacing-xs) 0;
  color: var(--color-text-light);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
}

.join-card li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: bold;
}

.join-card-hint {
  font-size: 0.875rem;
  font-style: italic;
  color: var(--color-text-light);
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

/* Who we're looking for */
.looking-for {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.looking-for h3 {
  font-size: var(--font-size-xl);
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.looking-for-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
}

.tag {
  background-color: transparent;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

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

/* ===========================================
   Kontakt Section
   =========================================== */
.contact {
  background-color: var(--color-background);
}

.contact-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-intro {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background-color: transparent;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  border: 1px solid var(--color-primary);
  transition: all 0.3s ease;
}

.contact-email:hover {
  background-color: var(--color-primary);
  color: white;
}

.contact-email-icon {
  font-size: 1.5rem;
}

/* ===========================================
   Footer
   =========================================== */
.footer {
  background-color: var(--color-text);
  color: white;
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand .logo img {
  height: 50px;
  margin-bottom: var(--spacing-sm);
  mix-blend-mode: normal;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
}

.footer-links h4,
.footer-contact h4 {
  color: white;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-base);
}

.footer-links ul {
  list-style: none;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  display: block;
  padding: var(--spacing-xs) 0;
  transition: color 0.3s ease;
}

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

.footer-contact p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.7);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

/* ===========================================
   Impressum Page
   =========================================== */
.legal-page {
  padding-top: calc(var(--header-height) + var(--spacing-lg));
  min-height: 100vh;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  background-color: transparent;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
}

.legal-content h1 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}

.legal-content h2 {
  color: var(--color-text);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.legal-content p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-light);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-lg);
  color: var(--color-primary);
  font-weight: 500;
}

.back-link:hover {
  color: var(--color-primary-dark);
}

/* ===========================================
   Status / Timeline Section
   =========================================== */
.status {
  background-color: var(--color-background-alt);
  padding: var(--spacing-xl) 0;
}

/* Timeline Container */
.timeline {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  margin: var(--spacing-lg) 0;
  padding: 0 var(--spacing-sm);
}

/* Timeline connecting line */
.timeline::before {
  content: '';
  position: absolute;
  top: 15px;
  left: 10%;
  right: 10%;
  height: 3px;
  background: var(--color-border);
  z-index: 0;
}

/* Progress line overlay - position varies based on current phase */
.timeline::after {
  content: '';
  position: absolute;
  top: 15px;
  left: 10%;
  width: 30%; /* Aktuell: Phase 2 (Auswahlphase) - 10% = Phase 1, 30% = Phase 2, 50% = Phase 3, 70% = Phase 4, 90% = Phase 5 */
  height: 3px;
  background: var(--color-primary);
  z-index: 1;
}

/* Timeline Item */
.timeline-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  position: relative;
  z-index: 2;
}

/* Timeline Marker (Kreis) */
.timeline-marker {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-background);
  border: 3px solid var(--color-border);
  margin-bottom: var(--spacing-sm);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-item.completed .timeline-marker {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.timeline-item.completed .timeline-marker::after {
  content: '\2713';
  color: white;
  font-size: 14px;
  font-weight: bold;
}

.timeline-item.active .timeline-marker {
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 6px rgba(91, 138, 78, 0.2);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 6px rgba(91, 138, 78, 0.2); }
  50% { box-shadow: 0 0 0 12px rgba(91, 138, 78, 0.1); }
}

/* Timeline Content */
.timeline-content {
  max-width: 120px;
}

.timeline-content h3 {
  font-size: 0.9rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin: var(--spacing-xs) 0;
  line-height: 1.3;
}

.timeline-item.active .timeline-content h3,
.timeline-item.completed .timeline-content h3 {
  color: var(--color-primary);
}

.timeline-content p {
  font-size: 0.8rem;
  color: var(--color-text-light);
  line-height: 1.4;
}

.timeline-date {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timeline-item.active .timeline-date {
  color: var(--color-primary);
}

/* Status Highlight Box */
.status-highlight {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  background: var(--color-background);
  padding: var(--spacing-md) var(--spacing-lg);
  border-left: 4px solid var(--color-primary);
  margin-top: var(--spacing-lg);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.status-icon {
  font-size: 2rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.status-text h3 {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-medium);
}

.status-text p {
  color: var(--color-text-light);
  font-size: var(--font-size-base);
  line-height: 1.6;
}

/* Responsive: Vertikale Timeline auf Mobile */
@media (max-width: 768px) {
  .timeline {
    flex-direction: column;
    align-items: flex-start;
    padding-left: var(--spacing-lg);
  }

  .timeline::before {
    top: 0;
    bottom: 0;
    left: 15px;
    right: auto;
    width: 3px;
    height: 100%;
  }

  .timeline::after {
    top: 0;
    left: 15px;
    width: 3px;
    height: 10%; /* Adjust based on progress */
  }

  .timeline-item {
    flex-direction: row;
    text-align: left;
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
  }

  .timeline-marker {
    position: absolute;
    left: 0;
    margin-bottom: 0;
  }

  .timeline-content {
    max-width: none;
    padding-left: var(--spacing-sm);
  }

  .status-highlight {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-md);
    border-left: none;
    border-top: 4px solid var(--color-primary);
  }

  .status-icon {
    margin: 0 auto;
  }
}

/* ===========================================
   Utility Classes
   =========================================== */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.mt-md { margin-top: var(--spacing-md); }
.mb-md { margin-bottom: var(--spacing-md); }