/* ===== FAMILY TREE ===== */

.family-tree-container {
  max-width: 100%;
  margin: 0 auto;
  padding: var(--space-md);
  background: var(--bg-primary);
  border: var(--border-width-1) solid var(--border-primary);
  color: var(--color-secondary);
  position: relative;
  overflow: hidden;
}

/* Art Deco background pattern — uses mask for theme-responsive coloring */
.family-tree-container::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: var(--border-primary);
  -webkit-mask-image: url('..images/gui/backgrounds/art-deco-pattern_4.svg');
  mask-image: url('..images/gui/backgrounds/art-deco-pattern_4.svg');
  -webkit-mask-repeat: repeat;
  mask-repeat:repeat;
  -webkit-mask-position: center top;
  mask-position: center top;
  -webkit-mask-size: 100% auto;
  mask-size: 100% auto; /* mobile: 1x width, auto height */
  -webkit-mask-mode: alpha;
  mask-mode: alpha;
  opacity: 1;
  pointer-events: none;
  z-index: 0;
}

/* Ensure tree content sits above the pattern */
.family-tree-container > * {
  position: relative;
  z-index: 1;
}

.family-tree {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.generation {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.person {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: var(--border-width-1) solid transparent;
  min-width: 80px;
}

.person:hover {
  transform: translateY(-2px);
  background-color: var(--bg-primary);
  border-color: var(--color-primary);
}

.person__photo {
  width: 80px;
  height: 100px;
  position: relative;
  transition: all var(--transition-normal);
}

.person__name {
  font-family: var(--font-content);
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  text-align: center;
  color: var(--color-primary);
}

/* Portrait image — hidden by default, revealed on click/tap */
.person__portrait {
  position: absolute;
  inset: 0;
  width: 110%;
  height: 110%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.3);
  transition: opacity 0.9s ease-in-out, transform 0.9s ease-in-out;
  pointer-events: none;
  z-index: 2;
}

/* When revealed, show the portrait and hide the placeholder */
.person--revealed .person__portrait {
  opacity: 1;
  transform: scale(1);
}

.person--revealed .media-placeholder {
  opacity: 0;
  pointer-events: none;
}

/* Person states */
.person--filled .person__photo .media-placeholder {
  background: var(--bg-primary);
  color: var(--color-primary);
  font-weight: var(--font-bold);
}

.person--partial .person__photo .media-placeholder {
  background: var(--bg-pop);
  color: var(--color-primary);
  opacity: 0.7;
}

.person--unknown .person__photo .media-placeholder {
  background: var(--bg-primary);
  color: var(--color-primary);
  opacity: 0.5;
}

/* Generational styling */
.generation-1 .person {
  transform: scale(1.2);
}

.generation-2 .person {
  opacity: 0.9;
}

.generation-3 .person {
  opacity: 0.8;
}

.generation-4 .person {
  opacity: 0.7;
}

/* Tree message */
.family-tree-cta {
  text-align: center;
  padding: var(--space-lg);
  border-top: var(--border-width-1) solid var(--border-primary);
}

.tree-message {
  font-family: var(--font-content);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.tree-submessage {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  color: var(--color-primary);
  margin: 0;
}

/* ===== CONTENT SECTIONS ===== */

.concept-section,
.purpose-section,
.cta-section {
  padding: var(--space-2xl) 0;
}

.concept-section {
  background: var(--bg-secondary);
}

.purpose-section {
  background: var(--bg-primary);
}

.cta-section {
  background: var(--bg-secondary);
  text-align: center;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: var(--font-semibold);
  text-align: center;
  margin-bottom: var(--space-2xl);
  color: var(--color-primary);
}

/* Concept section */
.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.concept-text {
  font-size: var(--text-xl);
}

/* Purpose section */
.purpose-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.purpose-item {
  text-align: center;
  padding: var(--space-lg);
}

.purpose-item h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin: var(--space-lg) 0 var(--space-md) 0;
  color: var(--color-primary);
}

.purpose-item .text-content {
  font-size: var(--text-base);
  color: var(--color-secondary);
}

/* CTA section */
.cta-content {
  max-width: 600px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-content);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-lg);
  color: var(--color-primary);
}

.cta-subtitle {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  color: var(--color-secondary);
  margin-bottom: var(--space-2xl);
  line-height: var(--leading-relaxed);
}

.cta-buttons {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  margin-bottom: 100px;
  flex-wrap: wrap;
}



/* ===== ANIMATIONS ===== */

/* Initially hide revealed names */
.person__name-revealed {
    display: none;
}

/* Show revealed names when person is revealed */
.person--revealed .person__name-generic {
    display: none;
}

.person--revealed .person__name-revealed {
    display: block;
    animation: fadeInName 0.5s ease-in-out;
}

@keyframes fadeInName {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Fade in animation for sections */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Pulse animation for family tree unknowns */
@keyframes subtlePulse {
  0%, 100% {
    opacity: 0.5;
  }
  50% {
    opacity: 0.7;
  }
}

.person--unknown {
  animation: subtlePulse 3s ease-in-out infinite;
}

/* Hero text animation */
.hero-title {
  animation: fadeInUp 1s ease-out 0.5s both;
}

.hero-subtitle {
  animation: fadeInUp 1s ease-out 0.8s both;
}

.family-tree-container {
  animation: fadeInUp 1s ease-out 1.2s both;
}

/* ===== RESPONSIVE BEHAVIOR ===== */

/* Mobile adjustments */
@media (max-width: 48rem) {
  .hero-section {
    min-height: 80vh;
  }
  
  .hero-content {
    padding: var(--space-xl) 0;
  }

   .family-tree-container {
        padding: var(--space-md) var(--space-xs);
    }

        .family-tree-container {
        margin-left: calc(-1 * var(--space-md));
        margin-right: calc(-1 * var(--space-md));
        width: calc(100% + 2 * var(--space-md));
        max-width: none;
        padding: var(--space-md) var(--space-sm);
    }

    
    .family-tree {
        gap: var(--space-sm);
    }
    
    .generation {
        gap: var(--space-xs);
    }
  
  .person {
        min-width: auto;
        max-width: 100%;
        padding: var(--space-2);
    }
    
    .person__photo {
        width: 80px;
        height: 100px;
    }
    
    .person__name {
        font-size: var(--text-2xs);
        line-height: 1.2;
    }

  .generation-1 .person {
    transform: scale(1.1);
  }
  
  .generation-3 {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xs);
        max-width: 100%;
    }
    
    .generation-4 {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xs);
        max-width: 100%;
    }

  .concept-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    text-align: center;
  }
  
  .purpose-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-buttons .btn {
    width: 100%;
    padding: var(--space-md);
    max-width: 300px;
  }

  .family-tree-cta {
        padding: var(--space-md);
    }
    
    .tree-message,
    .tree-submessage {
        font-size: var(--text-sm);
    }
}


/* Tablet adjustments */
@media (min-width: 48rem) and (max-width: 84rem) {
  .family-tree-container {
    padding: var(--space-xl);
  }

  .family-tree-container::before {
    -webkit-mask-size: 50% auto;
    mask-size: 50% auto; /* ~2x on x-axis */
  }
  
  .concept-grid {
    gap: var(--space-xl);
  }
  
  .purpose-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 480px) {
    .person__photo {
        width: 45px;
        height: 45px;
    }
    
    .person__name {
        font-size: 0.65rem;
    }
}

/* Large screen enhancements */
@media (min-width: 80rem) {
  .family-tree-container::before {
    -webkit-mask-size: 50% auto;
    mask-size: 50% auto; /* ~2x on x-axis */
  }

  .hero-content {
    padding: var(--space-2xl) 0;
  }
  
  .family-tree {
    gap: var(--space-2xl);
  }
  
  .generation {
    gap: var(--space-lg);
  }
  
  .person__photo {
    width: 80px;
    height: 80px;
  }
  
  .generation-1 .person {
    transform: scale(1.3);
  }
}

/* ===== ACCESSIBILITY ===== */

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .hero-title,
  .hero-subtitle,
  .family-tree-container {
    animation: none;
  }
  
  .person--unknown {
    animation: none;
    opacity: 0.5;
  }
  
  .person:hover {
    transform: none;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .hero-overlay {
    background: rgba(0, 0, 0, 0.8);
  }
  
  .family-tree-container {
    background: var(--gray-0);
    border-color: var(--gray-10);
  }
  
  .person--filled .person__photo .media-placeholder {
    background: var(--bg-primary);
    color: var(--color-primary);
  }
}

/* Focus management for keyboard navigation */
.person:focus {
  outline: var(--border-width-2) solid var(--color-primary);
  outline-offset: var(--space-1);
}