/* ========================================
   KÜCHEN-EXPERIMENTE - Modern Experiment Page
   Clean & Engaging Science Content
======================================== */

/* Hero Section */
.experiment-hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: var(--space-16) 0 var(--space-12);
  position: relative;
  overflow: hidden;
}

.experiment-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><path d="M50 0 L100 50 L50 100 L0 50 Z" fill="rgba(255,255,255,0.05)"/></svg>');
  opacity: 0.3;
}

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

.category-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border-radius: 2rem;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.experiment-hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  margin-bottom: var(--space-4);
  font-family: var(--font-display);
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: 1.25rem;
  opacity: 0.95;
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.experiment-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.experiment-stats .stat {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
}

.experiment-stats .stat svg {
  width: 32px;
  height: 32px;
}

.experiment-stats .stat div {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.experiment-stats .stat strong {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: var(--font-display);
}

.experiment-stats .stat span {
  font-size: 0.85rem;
  opacity: 0.9;
}

/* Container */
.experiment-container {
  padding: var(--space-12) var(--space-4) var(--space-16);
  max-width: 900px;
}

/* Safety Notice */
.safety-notice {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
  background: linear-gradient(135deg, #FFF4E6 0%, #FFE0B2 100%);
  border-left: 4px solid #FF9800;
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--space-10);
}

.notice-icon {
  flex-shrink: 0;
}

.notice-icon svg {
  color: #FF9800;
}

.notice-content h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: var(--space-2);
  color: var(--gray-900);
}

.notice-content p {
  color: var(--gray-700);
  line-height: 1.6;
}

/* Experiment Cards */
.experiment-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-6);
  padding: var(--space-8);
  background: white;
  border-radius: var(--border-radius-xl);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  margin-bottom: var(--space-8);
  transition: all var(--transition-base);
}

.experiment-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.experiment-number {
  font-size: 3rem;
  font-weight: 900;
  font-family: var(--font-display);
  color: var(--gray-200);
  line-height: 1;
}

.experiment-content {
  flex: 1;
}

.experiment-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-4);
  gap: var(--space-4);
}

.experiment-header h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--gray-900);
  font-family: var(--font-display);
}

.difficulty {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.difficulty-badge {
  padding: var(--space-2) var(--space-4);
  border-radius: 2rem;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.difficulty-badge.easy {
  background: #E8F5E9;
  color: #2E7D32;
}

.difficulty-badge.medium {
  background: #FFF3E0;
  color: #F57C00;
}

.difficulty-badge.hard {
  background: #FCE4EC;
  color: #C2185B;
}

.time {
  color: var(--gray-600);
  font-weight: 600;
  font-size: 0.9rem;
}

.experiment-intro {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--gray-700);
  margin-bottom: var(--space-6);
}

.materials,
.instructions,
.science-explanation {
  margin-bottom: var(--space-6);
}

.materials h3,
.instructions h3,
.science-explanation h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--gray-900);
}

.materials ul,
.instructions ol {
  padding-left: var(--space-6);
  color: var(--gray-700);
}

.materials li,
.instructions li {
  margin-bottom: var(--space-2);
  line-height: 1.6;
}

.science-explanation {
  padding: var(--space-5);
  background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
  border-left: 4px solid #2196F3;
  border-radius: var(--border-radius);
}

.science-explanation h3 {
  color: #1565C0;
}

.science-explanation p {
  color: var(--gray-800);
  line-height: 1.7;
}

/* Experiment Visual */
.experiment-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.emoji-visual {
  font-size: 5rem;
  line-height: 1;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
}

/* Footer */
.experiment-footer {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: var(--space-12) var(--space-6);
  border-radius: var(--border-radius-xl);
  text-align: center;
  margin-top: var(--space-12);
}

.footer-content h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: var(--space-4);
  font-family: var(--font-display);
}

.footer-content p {
  font-size: 1.125rem;
  opacity: 0.95;
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.next-experiments {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.experiment-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: white;
  color: var(--gray-900);
  text-decoration: none;
  border-radius: var(--border-radius-lg);
  font-weight: 700;
  transition: all var(--transition-base);
}

.experiment-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  color: var(--primary);
}

.experiment-cta.secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  backdrop-filter: blur(10px);
}

.experiment-cta.secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  color: white;
}

/* Responsive */
@media (max-width: 768px) {
  .experiment-card {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .experiment-number {
    font-size: 2rem;
    text-align: center;
  }

  .experiment-visual {
    order: -1;
  }

  .emoji-visual {
    font-size: 4rem;
  }

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

  .next-experiments {
    flex-direction: column;
  }

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

/* ========================================
   VON PAPIER ZU DIGITAL - Concept Flow
======================================== */

.concept-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-10);
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  border-radius: var(--border-radius-xl);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.concept-step {
  flex: 1;
  min-width: 200px;
  text-align: center;
  padding: var(--space-6);
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.step-icon {
  font-size: 3rem;
  margin-bottom: var(--space-3);
  display: inline-block;
}

.step-icon.paper {
  animation: pulse 2s ease-in-out infinite;
}

.step-icon.photo {
  animation: pulse 2s ease-in-out 0.7s infinite;
}

.step-icon.digital {
  animation: pulse 2s ease-in-out 1.4s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.concept-step h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--gray-900);
}

.concept-step p {
  color: var(--gray-600);
  font-size: 0.9rem;
  line-height: 1.5;
}

.concept-arrow {
  font-size: 2rem;
  color: var(--primary);
  font-weight: 700;
}

/* ========================================
   MATHE-KARTEN
======================================== */

.mathe-card {
  border-left: 4px solid #FF6B6B;
}

.paper-activity {
  background: #FFF9E6;
  padding: var(--space-6);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-6);
}

.paper-preview {
  background: white;
  padding: var(--space-5);
  border: 2px dashed var(--gray-300);
  border-radius: var(--border-radius);
  margin: var(--space-4) 0;
  font-family: 'Courier New', monospace;
}

.paper-preview pre {
  margin: 0;
  white-space: pre;
  overflow-x: auto;
}

.digital-bonus {
  background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
  padding: var(--space-5);
  border-radius: var(--border-radius);
  border-left: 4px solid #2196F3;
}

.digital-bonus h3 {
  color: #1565C0;
  margin-bottom: var(--space-3);
}

.digital-bonus ul {
  list-style: none;
  padding: 0;
}

.digital-bonus li {
  padding: var(--space-2) 0;
  color: var(--gray-800);
}

.story-box {
  background: white;
  padding: var(--space-5);
  border-radius: var(--border-radius);
  margin: var(--space-4) 0;
  border-left: 4px solid #FF9800;
}

.solution-space {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 2px dashed var(--gray-300);
}

.riddle-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.riddle {
  background: white;
  padding: var(--space-4);
  border-radius: var(--border-radius);
  text-align: center;
  font-size: 1.25rem;
  font-weight: 700;
  border: 2px solid var(--primary);
}

/* ========================================
   DEUTSCH-KARTEN
======================================== */

.deutsch-card {
  border-left: 4px solid #4ECDC4;
}

.story-template {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.story-panel {
  background: white;
  border: 2px solid var(--gray-300);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.panel-number {
  background: var(--primary);
  color: white;
  padding: var(--space-2);
  text-align: center;
  font-weight: 700;
}

.panel-content {
  padding: var(--space-4);
}

.draw-box {
  height: 150px;
  background: #F5F5F5;
  border: 2px dashed var(--gray-400);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  margin-bottom: var(--space-3);
}

.write-lines p {
  margin: var(--space-2) 0;
  color: var(--gray-400);
}

.word-dice {
  display: grid;
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.dice-category h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: var(--gray-900);
}

.dice-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.dice-options span {
  padding: var(--space-2) var(--space-4);
  background: white;
  border: 2px solid var(--gray-300);
  border-radius: 2rem;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

.dice-options span:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
  transform: scale(1.05);
}

.story-writing {
  background: white;
  padding: var(--space-5);
  border-radius: var(--border-radius);
  margin-top: var(--space-4);
}

.comic-template {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin: var(--space-4) 0;
}

.comic-panel {
  aspect-ratio: 1;
}

.panel-box {
  height: 100%;
  background: white;
  border: 3px solid var(--gray-900);
  border-radius: var(--border-radius);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

.panel-hint {
  font-size: 0.85rem;
  color: var(--gray-500);
  text-align: center;
}

.speech-bubble {
  font-size: 2rem;
}

.letter-template {
  background: white;
  padding: var(--space-6);
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  margin: var(--space-4) 0;
  font-family: 'Courier New', monospace;
}

.letter-header,
.letter-body {
  margin-bottom: var(--space-4);
}

/* Responsive für Content-Seiten */
@media (max-width: 768px) {
  .concept-flow {
    flex-direction: column;
  }

  .concept-arrow {
    transform: rotate(90deg);
  }

  .story-template,
  .comic-template {
    grid-template-columns: 1fr;
  }

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