/* Block 1 */
.hero-banner {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    margin: 0;
    padding: 0;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(37, 99, 235, 0.4) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 1200px;
    width: 100%;
    padding: 0 2rem;
    text-align: center;
    color: white;
}

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

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    line-height: 1.2;
}

.hero-description {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    line-height: 1.6;
    margin-bottom: 2.5rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    opacity: 0.95;
}

.hero-cta-btn {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
    color: white;
    border: none;
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(22, 163, 74, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.hero-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(22, 163, 74, 0.4);
    background: linear-gradient(135deg, #15803d 0%, #166534 100%);
}

.hero-cta-btn:active {
    transform: translateY(0);
}

.hero-cta-btn i {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.hero-cta-btn:hover i {
    transform: rotate(15deg) scale(1.1);
}

@media (max-width: 768px) {
    .hero-banner {
        min-height: 60vh;
    }
    
    .hero-content {
        padding: 0 1.5rem;
    }
    
    .hero-title {
        margin-bottom: 1rem;
    }
    
    .hero-description {
        margin-bottom: 2rem;
    }
    
    .hero-cta-btn {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-banner {
        min-height: 50vh;
    }
    
    .hero-content {
        padding: 0 1rem;
    }
    
    .hero-cta-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

/* Block 2 */
.ai-travel-assistant {
      padding: 5rem 0;
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
      color: white;
      position: relative;
      overflow: hidden;
    }

    .ai-travel-assistant::before {
      content: '';
      background: radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                  radial-gradient(circle at 80% 20%, rgba(147, 51, 234, 0.1) 0%, transparent 50%);
      pointer-events: none;
      z-index: 1;
    }

    .assistant-container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 2rem;
      position: relative;
      z-index: 2;
    }

    .assistant-header {
      text-align: center;
      margin-bottom: 4rem;
    }

    .assistant-title {
      font-size: 3rem;
      font-weight: 700;
      margin-bottom: 1.5rem;
      background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .assistant-subtitle {
      font-size: 1.25rem;
      color: #cbd5e1;
      max-width: 600px;
      margin: 0 auto;
      line-height: 1.7;
    }

    .assistant-features {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 2rem;
      margin-bottom: 4rem;
    }

    .feature-card {
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 16px;
      padding: 2rem;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .feature-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    }

    .feature-icon {
      margin-bottom: 1.5rem;
    }

    .feature-img {
      width: 64px;
      height: 64px;
      border-radius: 12px;
    }

    .feature-title {
      font-size: 1.5rem;
      font-weight: 600;
      margin-bottom: 1rem;
      color: white;
    }

    .feature-description {
      color: #cbd5e1;
      line-height: 1.6;
      margin: 0;
    }

    .assistant-demo {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 3rem;
      margin-bottom: 4rem;
      align-items: start;
    }

    .demo-interface {
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(20px);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 20px;
      overflow: hidden;
    }

    .chat-header {
      background: rgba(255, 255, 255, 0.1);
      padding: 1rem 1.5rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .chat-status {
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      background: #22c55e;
      border-radius: 50%;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.5; }
    }

    .status-text {
      font-size: 0.875rem;
      color: #e2e8f0;
      font-weight: 500;
    }

    .chat-messages {
      padding: 1.5rem;
      min-height: 200px;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .message {
      display: flex;
      gap: 0.75rem;
      align-items: flex-start;
    }

    .user-message {
      flex-direction: row-reverse;
    }

    .message-avatar {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      flex-shrink: 0;
    }

    .message-bubble {
      background: rgba(255, 255, 255, 0.1);
      padding: 0.875rem 1.125rem;
      border-radius: 16px;
      max-width: 70%;
      font-size: 0.9rem;
      line-height: 1.5;
    }

    .user-message .message-bubble {
      background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    }

    .chat-input-area {
      display: flex;
      padding: 1rem 1.5rem;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      gap: 0.75rem;
    }

    .chat-input {
      flex: 1;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 25px;
      padding: 0.75rem 1rem;
      color: white;
      font-size: 0.9rem;
    }

    .chat-input::placeholder {
      color: #94a3b8;
    }

    .chat-input:focus {
      outline: none;
      border-color: #3b82f6;
    }

    .send-button {
      background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
      border: none;
      border-radius: 50%;
      width: 40px;
      height: 40px;
      color: white;
      cursor: pointer;
      transition: transform 0.2s ease;
    }

    .send-button:hover {
      transform: scale(1.05);
    }

    .demo-stats {
      display: flex;
      flex-direction: column;
      gap: 2rem;
    }

    .stat-item {
      text-align: center;
      padding: 1.5rem;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 16px;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .stat-number {
      font-size: 2.5rem;
      font-weight: 700;
      color: #60a5fa;
      margin-bottom: 0.5rem;
    }

    .stat-label {
      font-size: 0.875rem;
      color: #cbd5e1;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .assistant-cta {
      display: flex;
      justify-content: center;
      gap: 1rem;
    }

    .cta-primary, .cta-secondary {
      padding: 1rem 2rem;
      border-radius: 50px;
      font-weight: 600;
      font-size: 1.1rem;
      cursor: pointer;
      transition: all 0.3s ease;
      border: none;
    }

    .cta-primary {
      background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
      color: white;
    }

    .cta-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 30px rgba(59, 130, 246, 0.4);
    }

    .cta-secondary {
      background: transparent;
      color: #e2e8f0;
      border: 2px solid rgba(255, 255, 255, 0.2);
    }

    .cta-secondary:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.4);
    }

    @media (max-width: 1024px) {
      .assistant-demo {
        grid-template-columns: 1fr;
        gap: 2rem;
      }

      .demo-stats {
        flex-direction: row;
        justify-content: space-around;
      }
    }

    @media (max-width: 768px) {
      .ai-travel-assistant {
        padding: 3rem 0;
      }

      .assistant-title {
        font-size: 2.25rem;
      }

      .assistant-subtitle {
        font-size: 1.125rem;
      }

      .assistant-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
      }

      .feature-card {
        padding: 1.5rem;
      }

      .assistant-cta {
        flex-direction: column;
        align-items: center;
      }

      .cta-primary, .cta-secondary {
        width: 100%;
        max-width: 300px;
      }

      .demo-stats {
        flex-direction: column;
        gap: 1rem;
      }
    }

/* Block 3 */
.quantum-travel-tech {
  background: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 50%, #2d1b69 100%);
  color: white;
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.quantum-travel-tech::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(255, 119, 198, 0.2) 0%, transparent 50%);
  z-index: 1;
}

.quantum-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
}

.quantum-header {
  text-align: center;
  margin-bottom: 4rem;
}

.quantum-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  margin-bottom: 1.5rem;
}

.badge-icon {
  width: 24px;
  height: 24px;
}

.badge-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: #a855f7;
}

.quantum-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #fff 0%, #a855f7 50%, #06b6d4 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.quantum-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

.quantum-grid {
  display: grid;
  gap: 4rem;
  margin-bottom: 5rem;
}

.quantum-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.quantum-feature.reverse {
  grid-template-columns: 1fr 1fr;
}

.quantum-feature.reverse .feature-visual {
  order: 2;
}

.quantum-feature.reverse .feature-content {
  order: 1;
}

.feature-visual {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4/3;
}

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

.quantum-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(168, 85, 247, 0.3), rgba(6, 182, 212, 0.3));
}

.particle-animation {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.8) 0%, transparent 70%);
  border-radius: 50%;
  animation: quantumPulse 3s ease-in-out infinite;
}

@keyframes quantumPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
  50% { transform: translate(-50%, -50%) scale(1.5); opacity: 0.2; }
}

.holo-interface {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.data-stream {
  position: absolute;
  top: 20%;
  left: 10%;
  width: 80%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #00f5ff, transparent);
  animation: dataFlow 2s ease-in-out infinite;
}

@keyframes dataFlow {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.coordinate-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(0, 245, 255, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 245, 255, 0.3) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridShift 4s linear infinite;
}

@keyframes gridShift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.feature-content {
  padding: 1rem 0;
}

.feature-heading {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: white;
}

.feature-text {
  font-size: 1.1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

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

.list-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
}

.list-icon {
  width: 20px;
  height: 20px;
}

.preview-controls {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.control-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
}

.control-btn:hover,
.control-btn.active {
  background: rgba(168, 85, 247, 0.3);
  border-color: #a855f7;
}

.btn-icon {
  width: 20px;
  height: 20px;
}

.quantum-stats {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 3rem;
  margin-bottom: 3rem;
}

.stats-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.metrics-icon {
  width: 40px;
  height: 40px;
}

.stats-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: white;
  margin: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.stat-card {
  text-align: center;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: #00f5ff;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.5rem;
}

.stat-trend {
  font-size: 0.9rem;
  font-weight: 600;
}

.stat-trend.positive {
  color: #10b981;
}

.stat-trend.neutral {
  color: rgba(255, 255, 255, 0.6);
}

.quantum-demo {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 25px;
  padding: 3rem;
  margin-bottom: 4rem;
}

.demo-header {
  text-align: center;
  margin-bottom: 3rem;
}

.demo-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}

.demo-description {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
}

.simulator-interface {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.input-panel,
.processing-panel,
.results-panel {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  padding: 2rem;
}

.input-group {
  margin-bottom: 2rem;
}

.input-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.5rem;
}

.quantum-input {
  position: relative;
}

.input-field {
  width: 100%;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  color: white;
  font-size: 1rem;
}

.field-effect {
  position: absolute;
  top: 50%;
  right: 1rem;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  opacity: 0.6;
}

.preference-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  transition: all 0.3s ease;
}

.tag.active {
  background: rgba(168, 85, 247, 0.3);
  border-color: #a855f7;
  color: white;
}

.quantum-processor {
  text-align: center;
  position: relative;
}

.processor-core {
  width: 120px;
  height: 120px;
  margin: 0 auto 2rem;
}

.processing-rings {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 120px;
}

.ring {
  position: absolute;
  border: 2px solid rgba(168, 85, 247, 0.3);
  border-radius: 50%;
  animation: quantumSpin 4s linear infinite;
}

.ring-1 {
  width: 100%;
  height: 100%;
  animation-duration: 3s;
}

.ring-2 {
  width: 80%;
  height: 80%;
  top: 10%;
  left: 10%;
  animation-duration: 2s;
  animation-direction: reverse;
}

.ring-3 {
  width: 60%;
  height: 60%;
  top: 20%;
  left: 20%;
  animation-duration: 4s;
}

@keyframes quantumSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.processing-status {
  text-align: center;
}

.status-text {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1rem;
  display: block;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #a855f7, #06b6d4);
  border-radius: 3px;
  width: 73%;
  animation: progressAnimation 2s ease-in-out infinite;
}

@keyframes progressAnimation {
  0%, 100% { width: 73%; }
  50% { width: 85%; }
}

.result-card {
  border-left: 4px solid #10b981;
  background: rgba(16, 185, 129, 0.1);
  padding: 1.5rem;
  border-radius: 10px;
}

.result-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.result-icon {
  width: 24px;
  height: 24px;
}

.result-rank {
  font-size: 0.9rem;
  font-weight: 600;
  color: #10b981;
}

.route-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.route-time,
.route-cost,
.carbon-neutral {
  font-size: 0.9rem;
  padding: 0.25rem 0.5rem;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.1);
}

.probability-match {
  font-size: 1rem;
  font-weight: 600;
  color: #00f5ff;
}

.quantum-cta {
  text-align: center;
  padding: 3rem;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 25px;
}

.cta-content {
  margin-bottom: 2rem;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}

.cta-text {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.cta-primary,
.cta-secondary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: 15px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.cta-primary {
  background: linear-gradient(135deg, #a855f7, #06b6d4);
  border: none;
  color: white;
}

.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(168, 85, 247, 0.3);
}

.cta-secondary {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
}

.cta-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

@media (max-width: 1024px) {
  .quantum-title {
    font-size: 2.8rem;
  }
  
  .quantum-feature {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .quantum-feature.reverse .feature-visual,
  .quantum-feature.reverse .feature-content {
    order: unset;
  }
  
  .simulator-interface {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-primary,
  .cta-secondary {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .quantum-container {
    padding: 0 1rem;
  }
  
  .quantum-title {
    font-size: 2.2rem;
  }
  
  .quantum-subtitle {
    font-size: 1.1rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .preview-controls {
    flex-direction: column;
  }
  
  .control-btn {
    justify-content: center;
  }
  
  .preference-tags {
    justify-content: center;
  }
}

/* Block 4 */
.neural-travel-booking {
  padding: 5rem 2rem;
  background: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 50%, #2d1b69 100%);
  color: white;
  overflow: hidden;
}

.booking-container {
  max-width: 1400px;
  margin: 0 auto;
}

.booking-header {
  text-align: center;
  margin-bottom: 4rem;
}

.neural-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(139, 92, 246, 0.2);
  border: 1px solid rgba(139, 92, 246, 0.4);
  padding: 0.5rem 1rem;
  border-radius: 25px;
  margin-bottom: 1.5rem;
}

.neural-icon {
  width: 20px;
  height: 20px;
}

.badge-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: #a78bfa;
}

.booking-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 0%, #a78bfa 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.booking-subtitle {
  font-size: 1.2rem;
  color: #d1d5db;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

.booking-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: flex-start;
}

.booking-visual {
  background: rgba(30, 30, 60, 0.8);
  border-radius: 20px;
  padding: 2rem;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.neural-network {
  position: relative;
  height: 400px;
  border-radius: 15px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.neural-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
}

.data-nodes {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem;
}

.node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  background: rgba(139, 92, 246, 0.9);
  padding: 1rem;
  border-radius: 15px;
  backdrop-filter: blur(10px);
}

.node img {
  width: 40px;
  height: 40px;
}

.node-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
}

.neural-connections {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  transform: translateY(-1px);
}

.connection {
  position: absolute;
  height: 2px;
  background: linear-gradient(90deg, transparent, #a78bfa, transparent);
  animation: pulse-connection 2s infinite;
}

.connection-1 {
  left: 15%;
  width: 25%;
  animation-delay: 0s;
}

.connection-2 {
  right: 15%;
  width: 25%;
  animation-delay: 0.7s;
}

@keyframes pulse-connection {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.processing-stats {
  display: flex;
  gap: 2rem;
}

.stat-display {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(139, 92, 246, 0.1);
  padding: 1rem;
  border-radius: 10px;
  border: 1px solid rgba(139, 92, 246, 0.2);
  flex: 1;
}

.stat-icon img {
  width: 32px;
  height: 32px;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: #a78bfa;
}

.stat-desc {
  font-size: 0.9rem;
  color: #d1d5db;
}

.booking-form-wrapper {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 2.5rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.form-title {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #a78bfa;
}

.form-description {
  color: #d1d5db;
  line-height: 1.5;
}

.neural-booking-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-weight: 600;
  color: #f3f4f6;
  font-size: 0.95rem;
}

.input-container {
  position: relative;
  display: flex;
  align-items: center;
}

.form-input {
  width: 100%;
  padding: 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 10px;
  color: white;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: #a78bfa;
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

.form-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.neural-processing {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
}

.neural-processing img {
  width: 20px;
  height: 20px;
  opacity: 0.7;
}

.field-insights {
  margin-top: 0.25rem;
}

.insight-tag {
  display: inline-block;
  background: rgba(34, 197, 94, 0.2);
  color: #4ade80;
  font-size: 0.8rem;
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.neural-analysis-panel {
  background: rgba(30, 30, 60, 0.6);
  border-radius: 15px;
  padding: 1.5rem;
  border: 1px solid rgba(139, 92, 246, 0.2);
  margin: 1rem 0;
}

.analysis-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.analysis-header img {
  width: 24px;
  height: 24px;
}

.analysis-title {
  font-weight: 600;
  color: #a78bfa;
}

.analysis-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.analysis-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.analysis-metric {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metric-label {
  color: #d1d5db;
  font-size: 0.9rem;
}

.metric-value {
  color: #4ade80;
  font-weight: 600;
  font-size: 0.9rem;
}

.confidence-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.confidence-fill {
  height: 100%;
  background: linear-gradient(90deg, #4ade80, #22c55e);
  transition: width 1s ease;
}

.form-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.submit-btn {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, #8b5cf6, #a78bfa);
  color: white;
  border: none;
  padding: 1.2rem 2.5rem;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: hidden;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.4);
}

.btn-icon {
  width: 20px;
  height: 20px;
}

.btn-effect {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
}

.submit-btn:hover .btn-effect {
  left: 100%;
}

.processing-indicator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #9ca3af;
  font-size: 0.9rem;
}

.processing-dots {
  display: flex;
  gap: 0.25rem;
}

.dot {
  width: 6px;
  height: 6px;
  background: #6b7280;
  border-radius: 50%;
  animation: pulse-dot 1.5s infinite;
}

.dot-2 {
  animation-delay: 0.5s;
}

.dot-3 {
  animation-delay: 1s;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

.trust-indicators {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #9ca3af;
  font-size: 0.85rem;
}

.trust-item img {
  width: 16px;
  height: 16px;
}

.booking-testimonials {
  margin-top: 4rem;
  text-align: center;
}

.testimonials-title {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 2rem;
  color: #a78bfa;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: left;
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid #a78bfa;
}

.reviewer-name {
  font-weight: 600;
  color: #f3f4f6;
}

.reviewer-location {
  font-size: 0.9rem;
  color: #9ca3af;
}

.testimonial-text {
  color: #d1d5db;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.neural-match {
  display: flex;
  justify-content: flex-end;
}

.match-score {
  background: rgba(34, 197, 94, 0.2);
  color: #4ade80;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

@media (max-width: 1024px) {
  .booking-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .booking-title {
    font-size: 2.5rem;
  }
  
  .trust-indicators {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .neural-travel-booking {
    padding: 3rem 1rem;
  }
  
  .booking-title {
    font-size: 2rem;
  }
  
  .booking-subtitle {
    font-size: 1rem;
  }
  
  .data-nodes {
    flex-direction: column;
    justify-content: space-around;
    padding: 1rem;
  }
  
  .processing-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .booking-form-wrapper {
    padding: 2rem 1.5rem;
  }
  
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}