/* ==========================================================================
   KI CHARTER COMPONENTS
   Value cards with modal popup functionality
   ========================================================================== */

/* ========================================================================
   CHARTER CARDS (4 Value Cards)
   ======================================================================== */

.charter-card {
  position: relative;
  background: linear-gradient(135deg, 
    rgba(51, 65, 85, 0.5) 0%, 
    rgba(30, 41, 59, 0.3) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.charter-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(135deg, 
    var(--glow-color, var(--accent-primary)) 0%, 
    var(--glow-color, var(--accent-primary)) 30%,
    transparent 70%,
    transparent 100%
  );
  -webkit-mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

@media (min-width: 768px) {
  .charter-card {
    padding: var(--space-8);
  }
}

@media (hover: hover) {
  .charter-card:hover {
    transform: translateY(-4px);
    border-color: var(--glow-color, var(--accent-primary));
    box-shadow: 
      0 20px 40px rgba(0, 0, 0, 0.4),
      0 0 30px rgba(0, 0, 0, 0.3),
      0 0 0 1px var(--glow-color, var(--accent-primary));
  }
  
  .charter-card:hover::before {
    opacity: 1;
    filter: drop-shadow(0 0 8px var(--glow-color, var(--accent-primary)));
  }
}

.charter-card:active {
  transform: translateY(-2px);
}

/* Icon */
.charter-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  position: relative;
}

@media (min-width: 768px) {
  .charter-icon {
    width: 80px;
    height: 80px;
  }
}

.charter-icon::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: var(--radius-full);
  background: var(--glow-color, var(--accent-primary));
  opacity: 0.5;
  filter: blur(16px);
  transition: opacity 0.3s ease;
  animation: iconGlow 3s ease-in-out infinite;
}

@keyframes iconGlow {
  0%, 100% { 
    opacity: 0.4; 
    filter: blur(16px);
    transform: scale(1);
  }
  50% { 
    opacity: 0.7; 
    filter: blur(22px);
    transform: scale(1.1);
  }
}

@media (hover: hover) {
  .charter-card:hover .charter-icon::before {
    opacity: 0.9;
    filter: blur(24px);
    animation: none;
  }
}

.charter-icon .ph {
  font-size: 2rem;
  color: var(--glow-color, var(--accent-primary));
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .charter-icon .ph {
    font-size: 2.5rem;
  }
}

/* Title */
.charter-card h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

@media (min-width: 768px) {
  .charter-card h3 {
    font-size: var(--text-xl);
  }
}

/* Description */
.charter-card p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .charter-card p {
    font-size: var(--text-base);
  }
}

/* Link */
.charter-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--accent-primary);
  transition: gap 0.2s ease;
}

.charter-link .ph {
  transition: transform 0.2s ease;
}

@media (hover: hover) {
  .charter-card:hover .charter-link {
    gap: var(--space-3);
  }
  
  .charter-card:hover .charter-link .ph {
    transform: translateX(4px);
  }
}

/* ========================================================================
   CHARTER QUOTE (Hero Quote)
   ======================================================================== */

.charter-quote {
  max-width: 800px;
  margin: 0 auto var(--space-12);
  padding: var(--space-6);
  text-align: center;
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  background: linear-gradient(135deg, 
    rgba(88, 166, 255, 0.12) 0%, 
    rgba(139, 92, 246, 0.08) 100%
  );
  border: 1px solid rgba(88, 166, 255, 0.25);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  box-shadow: 
    0 4px 24px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.charter-quote::before {
  content: '"';
  position: absolute;
  top: -5px;
  left: 24px;
  font-size: 5rem;
  font-family: Georgia, serif;
  color: var(--accent-primary);
  opacity: 0.5;
  line-height: 1;
  text-shadow: 0 0 20px rgba(88, 166, 255, 0.4);
}

@media (min-width: 768px) {
  .charter-quote {
    font-size: var(--text-xl);
    padding: var(--space-8) var(--space-10);
  }
}

/* ========================================================================
   SECTION STYLES
   ======================================================================== */

.section--alt {
  background: var(--bg-secondary);
  position: relative;
  z-index: 5; /* Über dem Parallax */
}

/* Ensure content is above background */
.section--alt .container {
  position: relative;
  z-index: 2;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

.section-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: linear-gradient(135deg, 
    rgba(88, 166, 255, 0.15), 
    rgba(139, 92, 246, 0.1)
  );
  border: 1px solid rgba(88, 166, 255, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(135deg, 
    rgba(88, 166, 255, 0.15), 
    rgba(139, 92, 246, 0.1)
  );
  border: 1px solid rgba(88, 166, 255, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--accent-primary);
  margin-bottom: var(--space-4);
}

.section-badge .ph {
  font-size: 1.2em;
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .section-title {
    font-size: var(--text-4xl);
  }
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Text Gradient */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}





/* ========================================================================
   LIGHT MODE - Premium Charter Styling
   ======================================================================== */

/* Light Mode: Charter Cards - Frosted Glass Premium */
html.light-theme .charter-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(88, 166, 255, 0.15);
  box-shadow: 
    0 8px 32px rgba(88, 166, 255, 0.12),
    0 2px 8px rgba(0, 0, 0, 0.04);
}

html.light-theme .charter-card:hover {
  border-color: rgba(88, 166, 255, 0.35);
  box-shadow: 
    0 16px 48px rgba(88, 166, 255, 0.2),
    0 4px 12px rgba(0, 0, 0, 0.06);
}

/* Light Mode: Charter Quote */
html.light-theme .charter-quote {
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.95) 0%, 
    rgba(224, 242, 254, 0.7) 100%
  );
  border: 1px solid rgba(88, 166, 255, 0.2);
  box-shadow: 
    0 8px 32px rgba(88, 166, 255, 0.1),
    0 2px 8px rgba(0, 0, 0, 0.04);
}

/* Light Mode: Section Badge */
html.light-theme .section-badge {
  background: linear-gradient(135deg, 
    rgba(88, 166, 255, 0.15), 
    rgba(139, 92, 246, 0.1)
  );
  border: 1px solid rgba(88, 166, 255, 0.25);
}


/* ========================================================================
   PREMIUM CHARTER LINK STYLING
   ======================================================================== */

/* Premium Charter Link */
.charter-link {
  position: relative;
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(135deg, 
    rgba(88, 166, 255, 0.1), 
    rgba(139, 92, 246, 0.05)
  );
  border: 1px solid rgba(88, 166, 255, 0.2);
  border-radius: var(--radius-full);
  box-shadow: 
    0 2px 8px rgba(88, 166, 255, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.charter-link:hover {
  background: linear-gradient(135deg, 
    rgba(88, 166, 255, 0.2), 
    rgba(139, 92, 246, 0.1)
  );
  border-color: rgba(88, 166, 255, 0.4);
  box-shadow: 
    0 4px 16px rgba(88, 166, 255, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Light Mode: Premium Charter Link */
html.light-theme .charter-link {
  background: linear-gradient(135deg, 
    rgba(88, 166, 255, 0.08), 
    rgba(139, 92, 246, 0.04)
  );
  border-color: rgba(88, 166, 255, 0.25);
  color: #2563eb;
}

html.light-theme .charter-link:hover {
  background: linear-gradient(135deg, 
    rgba(88, 166, 255, 0.15), 
    rgba(139, 92, 246, 0.08)
  );
  border-color: rgba(88, 166, 255, 0.4);
  color: #58a6ff;
}
/* ========================================================================
   CHARTER ICON MODIFIERS - Glow Color Variants
   Replaces CSS variable inline styles with semantic classes
   ======================================================================== */

.charter-icon--violet { --glow-color: var(--accent-violet); }
.charter-icon--cyan { --glow-color: var(--accent-cyan); }
.charter-icon--orange { --glow-color: var(--accent-orange); }
.charter-icon--green { --glow-color: var(--accent-green); }
.charter-icon--primary { --glow-color: var(--accent-primary); }
.charter-icon--pink { --glow-color: var(--accent-pink); }
.charter-icon--red { --glow-color: var(--accent-red); }