/* Glassmorphism Components */

/* Glass Card */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: relative;
  transition: all var(--transition-normal);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.1) 0%, 
    rgba(255, 255, 255, 0.05) 50%, 
    rgba(255, 255, 255, 0.1) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.glass-card:hover::before {
  opacity: 1;
}

.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-violet));
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.glass-card:hover {
  background: var(--glass-bg-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.glass-card:hover::before {
  opacity: 1;
}

.glass-card h3 {
  color: var(--color-text);
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
  font-weight: 600;
}

.glass-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

/* Glass Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
  border: none;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  min-height: 48px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-violet));
  color: var(--color-text);
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: var(--glass-bg-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-accent-cyan);
  color: var(--color-accent-cyan);
}

.btn-outline:hover {
  background: var(--color-accent-cyan);
  color: var(--color-bg);
  transform: translateY(-2px);
}

.btn-small {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
  min-height: 36px;
}

.btn-large {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.125rem;
  min-height: 56px;
}

/* Glass Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
}

.nav.scrolled {
  background: rgba(10, 10, 15, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-logo:hover {
  color: var(--color-accent-cyan);
}

.nav-links {
  display: flex;
  gap: var(--space-2xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-cyan), var(--color-accent-violet));
  transition: width var(--transition-normal);
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Glass Section */
.glass-section {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-3xl);
  margin: var(--space-2xl) 0;
  position: relative;
  overflow: hidden;
}

.glass-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.glass-section:hover::before {
  opacity: 1;
}

/* Glass Footer */
.footer {
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-3xl) 0;
  margin-top: var(--space-3xl);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
}

.footer-section h4 {
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  font-size: 1.125rem;
}

.footer-section p,
.footer-section a {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  display: block;
}

.footer-section a:hover {
  color: var(--color-accent-cyan);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  text-align: center;
  color: var(--color-text-muted);
}

/* Glass Form Elements */
.glass-input {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  color: var(--color-text);
  font-size: 1rem;
  transition: all var(--transition-normal);
  width: 100%;
}

.glass-input:focus {
  outline: none;
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.glass-input::placeholder {
  color: var(--color-text-muted);
}

.glass-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Glass Modal */
.glass-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.glass-modal.active {
  opacity: 1;
  visibility: visible;
}

.glass-modal-content {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.glass-modal.active .glass-modal-content {
  transform: scale(1);
}

/* Glass Tabs */
.glass-tabs {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-tab {
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  border-bottom: 2px solid transparent;
}

.glass-tab.active,
.glass-tab:hover {
  color: var(--color-text);
  border-bottom-color: var(--color-accent-cyan);
}

/* Glass Accordion */
.glass-accordion {
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.glass-accordion-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-accordion-item:last-child {
  border-bottom: none;
}

.glass-accordion-header {
  background: var(--glass-bg);
  padding: var(--space-lg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition-normal);
}

.glass-accordion-header:hover {
  background: var(--glass-bg-hover);
}

.glass-accordion-content {
  background: rgba(0, 0, 0, 0.2);
  padding: 0 var(--space-lg);
  max-height: 0;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.glass-accordion-content.active {
  padding: var(--space-lg);
  max-height: 500px;
}

/* Glass Progress Bar */
.glass-progress {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  height: 8px;
  overflow: hidden;
  position: relative;
}

.glass-progress-bar {
  background: linear-gradient(90deg, var(--color-accent-cyan), var(--color-accent-violet));
  height: 100%;
  border-radius: var(--radius-lg);
  transition: width var(--transition-slow);
}

/* Glass Badge */
.glass-badge {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xs) var(--space-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  display: inline-block;
}

/* Pricing Cards */
.pricing-card {
  position: relative;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.pricing-card.featured {
  transform: scale(1.05);
  border: 2px solid var(--color-accent-cyan);
  background: linear-gradient(135deg, var(--glass-bg), rgba(0, 212, 255, 0.05));
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: var(--color-text);
  padding: 0.5rem 1.5rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.pricing-header {
  margin-bottom: 1.5rem;
}

.pricing-header h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.price {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-period, .price-note {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.pricing-features {
  list-style: none;
  margin: 2rem 0;
  padding: 0;
  text-align: left;
}

.pricing-features li {
  padding: 0.75rem 0;
  color: var(--color-text-secondary);
  position: relative;
  padding-left: 2rem;
}

.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent-cyan);
  font-weight: bold;
  font-size: 1.1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-toggle {
    display: block;
  }

  .glass-card {
    padding: var(--space-xl);
  }

  .glass-section {
    padding: var(--space-2xl);
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .pricing-features {
    text-align: center;
  }
  
  .pricing-features li {
    padding-left: 0;
    text-align: center;
  }
  
  .pricing-features li::before {
    position: static;
    margin-right: 0.5rem;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0a0a0f;
    --color-bg-secondary: #1a1a2e;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .glass-card {
    border: 2px solid var(--color-text);
  }
  
  .btn {
    border: 2px solid currentColor;
  }
}