/* ============================================
   LILLIPIX - Modern Premium Page Design
   State of the Art Sections & Footer
============================================ */

/* Enhanced Section Base */
.age-groups,
.method-section,
.library-preview,
.pricing-section,
.community-section {
  scroll-margin-top: 80px;
  position: relative;
  padding: var(--space-16) 0;
}

/* Premium Section Backgrounds */
.age-groups {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.method-section {
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

.library-preview {
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.pricing-section {
  background: linear-gradient(180deg, #f9fafb 0%, #f3f4f6 100%);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.community-section {
  background: linear-gradient(180deg, #ffffff 0%, #fafbfc 100%);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* Section Header - Premium Typography */
.section-header {
  animation: fadeInDown 0.8s ease forwards;
}

.section-title {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #1a1a1a 0%, #334155 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-6);
}

.section-subtitle {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--gray-600);
  max-width: 65ch;
  margin: 0 auto;
  font-weight: 500;
}

/* Badge Styling */
.method-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
  color: #667eea;
  border: 1px solid rgba(102, 126, 234, 0.2);
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
  backdrop-filter: blur(10px);
}

/* Premium Age Cards */
.age-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-xl);
  padding: var(--space-8);
  transition: all 0.35s cubic-bezier(0.4, 0.0, 0.2, 1);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.age-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
}

.age-card:hover::before {
  left: 100%;
}

.age-card:hover {
  border-color: #667eea;
  box-shadow: 0 20px 40px rgba(102, 126, 234, 0.15);
  transform: translateY(-8px);
}

.age-card.active {
  border-color: #667eea;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.02));
  box-shadow: 0 15px 35px rgba(102, 126, 234, 0.1);
}

/* Age Cards Header */
.age-card .age-info h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 var(--space-2) 0;
}

.age-card .age-range {
  color: var(--gray-500);
  font-size: 0.875rem;
  font-weight: 500;
}

/* Age Cards Content */
.age-card .card-content {
  flex: 1;
}

.age-card .learning-activities {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.age-card .learning-activities li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--gray-700);
  font-size: 0.95rem;
}

.age-card .activity-icon {
  font-size: 1.25rem;
  min-width: 32px;
  text-align: center;
}

/* Method Steps - Premium Layout */
.method-step {
  background: white;
  padding: var(--space-8);
  border-radius: var(--border-radius-xl);
  border: 1px solid var(--gray-200);
  transition: all 0.4s ease;
  display: flex;
  flex-direction: column;
}

.method-step:hover {
  border-color: #667eea;
  box-shadow: 0 25px 50px rgba(102, 126, 234, 0.12);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 50%;
  font-weight: 800;
  font-size: 1.5rem;
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.step-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.step-visual {
  text-align: center;
  margin-top: auto;
  padding-top: var(--space-6);
}

.step-icon {
  font-size: 3rem;
}

/* Library Cards - Enhanced */
.library-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  position: relative;
  display: flex;
  flex-direction: column;
}

.library-card:hover {
  border-color: transparent;
  box-shadow: 0 25px 50px rgba(102, 126, 234, 0.2);
  transform: translateY(-12px) scale(1.02);
}

.library-card.featured {
  border: 2px solid transparent;
  background: linear-gradient(white, white) padding-box,
              linear-gradient(135deg, #667eea, #764ba2) border-box;
  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.15);
}

.card-image {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background-size: 120%;
  transition: background-size 0.6s ease;
}

.library-card:hover .card-image {
  background-size: 140%;
}

.card-icon {
  font-size: 4rem;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.15));
  animation: float 3s ease-in-out infinite;
}

.card-content {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-category {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.category-icon {
  font-size: 1.125rem;
}

.library-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.library-card > .card-content > p {
  color: var(--gray-600);
  font-size: 0.95rem;
  margin-bottom: var(--space-4);
  flex: 1;
}

.card-stats {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: auto;
}

.stat {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--gray-600);
  font-size: 0.875rem;
}

/* Library Card Link */
.library-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: var(--border-radius-lg);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  margin-top: var(--space-4);
  transition: all 0.3s ease;
}

.library-card-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
  color: white;
  text-decoration: none;
}

/* Pricing Cards - Premium Design */
.pricing-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pricing-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.03));
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.pricing-card:hover::after {
  opacity: 1;
}

.pricing-card:hover {
  border-color: #667eea;
  box-shadow: 0 30px 60px rgba(102, 126, 234, 0.15);
  transform: translateY(-12px);
}

.pricing-card.featured {
  border: 2px solid transparent;
  background: linear-gradient(white, white) padding-box,
              linear-gradient(135deg, #667eea, #764ba2) border-box;
  box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
  transform: scale(1.05);
}

.pricing-card.featured:hover {
  transform: scale(1.07) translateY(-15px);
}

.plan-icon {
  font-size: 3rem;
  margin-bottom: var(--space-3);
}

.plan-description {
  color: var(--gray-600);
  font-size: 0.95rem;
}

.price-amount {
  display: block;
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.card-features {
  margin-bottom: var(--space-8);
  flex: 1;
}

.card-features ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.card-features li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--gray-700);
  font-size: 0.95rem;
}

/* Community Features - Premium */
.community-feature {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.community-feature::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
  transition: left 0.7s ease;
}

.community-feature:hover::before {
  left: 100%;
}

.community-feature:hover {
  border-color: #667eea;
  box-shadow: 0 15px 35px rgba(102, 126, 234, 0.12);
  transform: translateY(-6px);
}

.feature-icon {
  font-size: 3.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.community-feature h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.community-feature p {
  color: var(--gray-600);
  font-size: 0.95rem;
}

/* Premium Footer */
.footer-learn {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d3748 100%);
  color: var(--gray-300);
  padding: var(--space-20) 0 var(--space-8);
  border-top: 1px solid rgba(102, 126, 234, 0.1);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-16);
  margin-bottom: var(--space-12);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-6);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer-logo-img {
  width: 40px;
  height: 40px;
  opacity: 0.9;
}

.footer-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: white;
  font-family: var(--font-display);
}

.footer-brand h3 {
  font-size: 1.75rem;
  font-weight: 800;
  color: white;
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-description {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: var(--space-6);
  color: var(--gray-400);
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-badge {
  padding: var(--space-2) var(--space-3);
  background: rgba(102, 126, 234, 0.1);
  border: 1px solid rgba(102, 126, 234, 0.2);
  border-radius: 1rem;
  font-size: 0.875rem;
  color: #667eea;
  font-weight: 500;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.footer-column h4 {
  font-size: 1rem;
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-4);
  letter-spacing: 0.025em;
}

.footer-column ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-column a {
  color: var(--gray-400);
  transition: all 0.3s ease;
  display: inline-block;
}

.footer-column a:hover {
  color: #667eea;
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(102, 126, 234, 0.1);
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.copyright {
  color: var(--gray-400);
  font-size: 0.9rem;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

/* Social Links - Premium */
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: rgba(102, 126, 234, 0.1);
  border: 1px solid rgba(102, 126, 234, 0.2);
  border-radius: 50%;
  color: #667eea;
  transition: all 0.3s ease;
  font-size: 1.125rem;
}

.social-link:hover {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(102, 126, 234, 0.3);
}

/* Animations */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Animate-in State */
.animate-in {
  animation: slideInUp 0.6s ease forwards;
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
  .footer-links {
    grid-template-columns: 1fr 1fr;
  }
  
  .pricing-card.featured {
    transform: scale(1.02);
  }
  
  .pricing-card.featured:hover {
    transform: scale(1.04) translateY(-12px);
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
  }
  
  .age-groups,
  .method-section,
  .library-preview,
  .pricing-section,
  .community-section {
    padding: var(--space-12) 0;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
  
  .pricing-card.featured {
    transform: scale(1);
  }
  
  .pricing-card.featured:hover {
    transform: scale(1.02) translateY(-12px);
  }
}

@media (max-width: 480px) {
  .age-card,
  .method-step,
  .library-card,
  .pricing-card,
  .community-feature {
    padding: var(--space-6);
  }
  
  .step-number {
    width: 44px;
    height: 44px;
    font-size: 1.25rem;
  }
  
  .price-amount {
    font-size: 2.2rem;
  }
  
  .section-subtitle {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
}

/* Print Styles */
@media print {
  .footer-learn {
    background: white;
    color: #1a1a1a;
  }
  
  .social-link {
    display: none;
  }
}

/* ============================================
   HERO VISUAL - Learning Illustration
============================================ */

/* Hero Visual Container */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

/* Learning Illustration */
.learning-illustration {
  position: relative;
  width: 100%;
  max-width: 500px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Illustration Layers */
.illustration-layer {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Layer 1 - Analog/Papier (inner circle) */
.layer-1 .learning-item {
  position: absolute;
}

.layer-1 .item-pencil {
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
}

.layer-1 .item-book {
  top: 50%;
  left: 20%;
  transform: translateY(-50%);
}

.layer-1 .item-art {
  top: 50%;
  right: 20%;
  transform: translateY(-50%);
}

/* Layer 2 - Digital (outer circle) */
.layer-2 .learning-item {
  position: absolute;
}

.layer-2 .item-tablet {
  top: 10%;
  left: 30%;
}

.layer-2 .item-code {
  top: 10%;
  right: 30%;
}

.layer-2 .item-science {
  bottom: 15%;
  left: 50%;
  transform: translateX(-50%);
}

/* Learning Items - Emojis */
.learning-item {
  font-size: 3rem;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(102, 126, 234, 0.1);
}

.learning-item:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 32px rgba(102, 126, 234, 0.3);
  border-color: rgba(102, 126, 234, 0.3);
}

/* Connection Lines */
.connection-lines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.connections {
  width: 100%;
  height: 100%;
  opacity: 0.6;
}

/* Responsive - Hero Visual */
@media (max-width: 1024px) {
  .hero-visual {
    min-height: 300px;
  }
  
  .learning-illustration {
    max-width: 400px;
    height: 300px;
  }
  
  .learning-item {
    font-size: 2.5rem;
    width: 70px;
    height: 70px;
  }
}

@media (max-width: 768px) {
  .hero-visual {
    min-height: 250px;
    margin-top: var(--space-8);
  }
  
  .learning-illustration {
    max-width: 320px;
    height: 250px;
  }
  
  .learning-item {
    font-size: 2rem;
    width: 60px;
    height: 60px;
  }
}

@media (max-width: 480px) {
  .hero-visual {
    min-height: 200px;
  }
  
  .learning-illustration {
    max-width: 280px;
    height: 200px;
  }
  
  .learning-item {
    font-size: 1.75rem;
    width: 50px;
    height: 50px;
  }
}