/* Simple Morph CSS Framework - Essential Components Only */
/* Version 0.0.1-beta - Released 2025-07-30 */
/* Repository: https://github.com/davidteren/simple_morph */
/* Live Demo: https://davidteren.github.io/simple_morph/ */
/* Focuses on essential components for maximum simplicity */

/* CSS Custom Properties - Essential Variables Only */
:root {
  --navbar-height: 56px; /* height of fixed navbar */
  --font-family: -apple-system, BlinkMacSystemFont, "Avenir Next", Avenir, "Nimbus Sans L", Roboto, "Noto Sans", "Segoe UI", Arial, Helvetica, "Helvetica Neue", sans-serif;
  --font-heading: var(--font-family);
  --font-mono: Consolas, Menlo, Monaco, "Andale Mono", "Ubuntu Mono", monospace;

  --border-radius: 12px;
  --border-radius-small: 8px;
  --border-width: 1px;

  /* Rich color palette for atmospheric effects */
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --bg-accent: #0f3460;
  --bg-card: rgba(255, 255, 255, 0.08);
  
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.9);
  --text-muted: rgba(255, 255, 255, 0.7);

  --accent-primary: #4A9EFF;
  --accent-secondary: #7B68EE;
  --accent-success: #34C759;
  --accent-warning: #FF9500;
  --accent-error: #FF3B30;

  /* Rich gradients for visual depth */
  --gradient-primary: linear-gradient(135deg, #007AFF 0%, #5856D6 100%);
  --gradient-secondary: linear-gradient(135deg, #5856D6 0%, #AF52DE 100%);
  --gradient-text: linear-gradient(135deg, #FFFFFF 0%, #E5E7EB 100%);

  /* Enhanced glass effects */
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-bg-strong: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --glass-shadow-strong: 0 16px 64px rgba(0, 0, 0, 0.12);
  --glass-blur: 20px;

  --transition-fast: 0.15s;
  --transition-normal: 0.3s;

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  --navbar-height: 3rem;
}

/* Reset and base styles */
*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

ul, ol {
  padding-left: var(--spacing-lg);
}

button, input, select, textarea {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

html {
  font-family: var(--font-family);
  font-size: 1rem;
  scroll-behavior: smooth;
  line-height: 1.5;
}

body {
  margin: 0;
  padding: 0;
  padding-top: var(--navbar-height);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-accent) 75%, var(--bg-primary) 100%);
  background-attachment: fixed;
  color: var(--text-secondary);
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr min(65rem, 90%) 1fr;
  position: relative;
  overflow-x: hidden;
  line-height: 1.5;
}

body > * {
  grid-column: 2;
}

/* Static background grid and orbs */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    radial-gradient(circle at 25% 25%, rgba(74, 158, 255, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(123, 104, 238, 0.08) 0%, transparent 50%);
  background-size: 40px 40px, 40px 40px, 800px 800px, 600px 600px;
  pointer-events: none;
  z-index: 1;
  opacity: 0.4;
}

body::after {
  content: '';
  position: fixed;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 122, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  top: 10%;
  left: 15%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 2;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h1 { font-size: 3rem; margin-bottom: var(--spacing-lg); }
h2 { font-size: 2.6rem; margin-top: 3rem; margin-bottom: var(--spacing-lg); }
h3 { font-size: 2rem; margin-top: 3rem; margin-bottom: var(--spacing-md); }
h4 { font-size: 1.44rem; margin-bottom: var(--spacing-sm); font-weight: 600; }
h5 { font-size: 1.15rem; margin-bottom: var(--spacing-sm); }
h6 { font-size: 1rem; margin-bottom: var(--spacing-sm); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

strong { color: var(--text-primary); font-weight: 600; }
em { color: var(--accent-primary); font-style: normal; }

code {
  background: var(--glass-bg);
  color: var(--accent-primary);
  font-family: var(--font-mono);
  padding: 0.2em 0.4em;
  border-radius: var(--border-radius-small);
  font-size: 0.9em;
}

blockquote {
  background: var(--glass-bg);
  border-left: 4px solid var(--accent-primary);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  border-radius: var(--border-radius);
  font-style: italic;
}

/* Lists */
ul li::marker { color: var(--accent-primary); }
ol li::marker { color: var(--accent-primary); font-weight: 500; }

/* Navigation Bar - Essential */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--glass-bg-strong);
  backdrop-filter: blur(calc(var(--glass-blur) * 1.5));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  z-index: 1000;
  height: var(--navbar-height);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
}

.navbar-logo {
  width: 2rem;
  height: 2rem;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-small);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

.navbar-nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  padding: 0;
  margin: 0;
}

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

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

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width var(--transition-fast);
}

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

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--spacing-xs);
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: var(--spacing-md);
  z-index: 999;
}

.mobile-menu.show {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu a:hover {
  color: var(--text-primary);
}

/* Buttons - Essential variants only */
button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  background: var(--glass-bg);
  color: var(--text-primary);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 2.5rem;
}

button:hover, .button:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(74, 158, 255, 0.3);
}

.button-primary {
  background: var(--gradient-primary);
  border-color: var(--accent-primary);
  color: white;
}

.button-secondary {
  background: transparent;
  border-color: var(--glass-border);
  color: var(--text-secondary);
}

.button-secondary:hover {
  background: var(--glass-bg);
  color: var(--text-primary);
}

/* Forms - Enhanced styling with better spacing */
form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

input, textarea, select {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  background: var(--glass-bg);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  min-height: 2.75rem;
  box-sizing: border-box;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.1);
  background: var(--glass-bg-strong);
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--spacing-md) center;
  background-repeat: no-repeat;
  background-size: 1rem;
  padding-right: calc(var(--spacing-md) * 2.5);
}

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

input::placeholder, textarea::placeholder {
  color: var(--text-muted);
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
  font-weight: 500;
}

/* Form validation states */
input.valid, textarea.valid, select.valid {
  border-color: var(--accent-success);
}

input.invalid, textarea.invalid, select.invalid {
  border-color: var(--accent-error);
}

/* Tables - Clean styling with glassmorphism */
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--glass-shadow);
}

th, td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

th {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  color: var(--text-secondary);
}

tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

tr:last-child td {
  border-bottom: none;
}

/* Checkbox styling */
input[type="checkbox"] {
  width: auto;
  margin-right: var(--spacing-xs);
  accent-color: var(--accent-primary);
}

label:has(input[type="checkbox"]) {
  display: flex;
  align-items: center;
  cursor: pointer;
}

/* Cards - Essential styling */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-fast);
}

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

/* Alerts - Essential variants */
.alert {
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid;
}

.alert-success {
  background: rgba(52, 199, 89, 0.1);
  border-color: var(--accent-success);
  color: var(--accent-success);
}

.alert-warning {
  background: rgba(255, 149, 0, 0.1);
  border-color: var(--accent-warning);
  color: var(--accent-warning);
}

.alert-error {
  background: rgba(255, 59, 48, 0.1);
  border-color: var(--accent-error);
  color: var(--accent-error);
}

/* Utilities - Enhanced glass effects and animations */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-normal);
}

.glass-strong {
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(calc(var(--glass-blur) * 1.5));
  box-shadow: var(--glass-shadow-strong);
}

/* Advanced Glassmorphism Utilities */
.glass-frosted {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(30px) saturate(180%);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.glass-minimal {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.glass-vibrant {
  background: linear-gradient(135deg, 
    rgba(74, 158, 255, 0.1) 0%, 
    rgba(123, 104, 238, 0.1) 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(25px) hue-rotate(10deg);
  box-shadow: 
    0 12px 40px rgba(74, 158, 255, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.glass-dark {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px) brightness(0.8);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.glass-tinted {
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.1) 0%, 
    rgba(255, 255, 255, 0.05) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(15px) contrast(120%);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
}

/* Morphing Effects */
.morph-hover {
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform-origin: center;
}

.morph-hover:hover {
  transform: scale(1.02) rotate(0.5deg);
  background: var(--glass-bg-strong);
  backdrop-filter: blur(calc(var(--glass-blur) * 1.2));
}

.morph-lift {
  transition: all 0.3s ease-out;
}

.morph-lift:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.15),
    0 0 30px rgba(74, 158, 255, 0.2);
}

.morph-glow {
  position: relative;
  overflow: hidden;
}

.morph-glow::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, 
    transparent 30%, 
    rgba(74, 158, 255, 0.1) 50%, 
    transparent 70%);
  transform: translateX(-100%) translateY(-100%) rotate(45deg);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.morph-glow:hover::before {
  transform: translateX(100%) translateY(100%) rotate(45deg);
}

/* Hover Effects */
.hover-glow {
  transition: all var(--transition-normal);
}

.hover-glow:hover {
  box-shadow: 
    var(--glass-shadow),
    0 0 20px rgba(74, 158, 255, 0.3),
    0 0 40px rgba(74, 158, 255, 0.1);
  transform: translateY(-2px);
}

.hover-shimmer {
  position: relative;
  overflow: hidden;
}

.hover-shimmer::after {
  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 0.5s ease;
}

.hover-shimmer:hover::after {
  left: 100%;
}

.hover-pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { 
    box-shadow: 0 0 0 0 rgba(74, 158, 255, 0.4);
  }
  50% { 
    box-shadow: 0 0 0 10px rgba(74, 158, 255, 0);
  }
}

/* Gradient Utilities */
.gradient-border {
  position: relative;
  background: var(--glass-bg);
  border-radius: var(--border-radius);
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  background: linear-gradient(135deg, 
    var(--accent-primary), 
    var(--accent-secondary));
  border-radius: inherit;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: xor;
  -webkit-mask-composite: xor;
}

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

/* Backdrop Filters */
.backdrop-blur-sm { backdrop-filter: blur(4px); }
.backdrop-blur { backdrop-filter: blur(8px); }
.backdrop-blur-md { backdrop-filter: blur(12px); }
.backdrop-blur-lg { backdrop-filter: blur(16px); }
.backdrop-blur-xl { backdrop-filter: blur(24px); }
.backdrop-blur-2xl { backdrop-filter: blur(40px); }

.backdrop-brightness { backdrop-filter: brightness(1.1); }
.backdrop-contrast { backdrop-filter: contrast(1.1); }
.backdrop-saturate { backdrop-filter: saturate(1.8); }
.backdrop-sepia { backdrop-filter: sepia(0.5); }
.backdrop-hue-rotate { backdrop-filter: hue-rotate(30deg); }

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-glow {
  text-shadow: 0 0 10px rgba(74, 158, 255, 0.5);
}

.text-shadow {
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Visibility */
.hidden { display: none; }
.invisible { visibility: hidden; }
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

/* Animation Utilities */
.animate-fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

.animate-slide-up {
  animation: slideUp 0.5s ease-out;
}

.animate-scale-in {
  animation: scaleIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { 
    opacity: 0; 
    transform: translateY(20px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}

@keyframes scaleIn {
  from { 
    opacity: 0; 
    transform: scale(0.9); 
  }
  to { 
    opacity: 1; 
    transform: scale(1); 
  }
}

/* Ripple Effect */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  animation: ripple-animation 0.6s linear;
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Interactive Glass Elements */
.glass-interactive {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.glass-interactive:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.glass-interactive:active {
  transform: translateY(0);
}

/* Dynamic Glass Variables */
.glass[style*="--dynamic-blur"] {
  backdrop-filter: blur(var(--dynamic-blur, 20px));
  background: rgba(255, 255, 255, var(--dynamic-opacity, 0.08));
}

/* Enhanced Card Variants */
.card-glass-minimal {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
}

.card-glass-minimal:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  transform: translateY(-2px);
}

.card-glass-vibrant {
  background: linear-gradient(135deg, 
    rgba(74, 158, 255, 0.08) 0%, 
    rgba(123, 104, 238, 0.08) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(20px) saturate(150%);
  box-shadow: 
    0 8px 32px rgba(74, 158, 255, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Floating Action Button with Glass Effect */
.fab-glass {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.12),
    0 0 20px rgba(74, 158, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 1000;
}

.fab-glass:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 
    0 12px 40px rgba(0, 0, 0, 0.15),
    0 0 30px rgba(74, 158, 255, 0.3);
}

/* Mobile adjustments for FAB */
@media (max-width: 768px) {
  .fab-glass {
    bottom: 1rem;
    right: 1rem;
    width: 44px;
    height: 44px;
  }
}

/* Glass Navigation Pills */
.nav-pills-glass {
  display: flex;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  padding: 4px;
  backdrop-filter: blur(20px);
}

.nav-pills-glass .nav-item {
  padding: 8px 16px;
  border-radius: 50px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.nav-pills-glass .nav-item.active {
  background: rgba(74, 158, 255, 0.2);
  color: var(--accent-primary);
}

/* Glass Progress Bar */
.progress-glass {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.progress-glass .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, 
    var(--accent-primary), 
    var(--accent-secondary));
  border-radius: 4px;
  transition: width 0.3s ease;
  box-shadow: 0 0 10px rgba(74, 158, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
  body {
    grid-template-columns: 1fr;
    padding: var(--navbar-height) var(--spacing-md) var(--spacing-md);
  }

  body > * {
    grid-column: 1;
  }

  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.5rem; }

  .navbar-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for accessibility */
button:focus-visible,
.button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  body {
    background: white !important;
    color: black !important;
  }
  
  .navbar, .mobile-menu {
    display: none !important;
  }
  
  .glass {
    background: white !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
  }
}

/* Table of Contents Styles */
nav.toc {
  position: sticky;
  top: calc(var(--navbar-height) + var(--spacing-md));
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: var(--border-width) solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  z-index: 100;
  max-height: 80vh;
  overflow-y: auto;
}

.toc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.toc-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-normal);
}

.toc-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

nav.toc.hidden {
  display: none;
}

/* Enhanced Demo Styles */
.demo-section {
  margin: 4rem 0;
  padding: 3rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
}

.demo-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(74, 158, 255, 0.3) 50%, 
    transparent 100%);
}

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

.section-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin: 3rem 0;
  align-items: start;
}

.demo-component {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--glass-shadow);
}

/* Enhanced Hero Section */
.hero-section {
  text-align: center;
  padding: 6rem 0;
  background: linear-gradient(135deg, 
    rgba(74, 158, 255, 0.08) 0%, 
    rgba(123, 104, 238, 0.08) 50%,
    rgba(255, 119, 198, 0.08) 100%);
  border-radius: 20px;
  margin: 3rem 0;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #FFFFFF 0%, #4A9EFF 50%, #7B68EE 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.3rem;
  margin: 2rem auto;
  max-width: 700px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.hero-orbs {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74, 158, 255, 0.15) 0%, transparent 70%);
  filter: blur(40px);
  animation: float 8s ease-in-out infinite;
}

.hero-orb-1 {
  width: 200px;
  height: 200px;
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.hero-orb-2 {
  width: 150px;
  height: 150px;
  top: 60%;
  right: 15%;
  animation-delay: 2s;
  background: radial-gradient(circle, rgba(123, 104, 238, 0.15) 0%, transparent 70%);
}

.hero-orb-3 {
  width: 100px;
  height: 100px;
  bottom: 20%;
  left: 60%;
  animation-delay: 4s;
  background: radial-gradient(circle, rgba(255, 119, 198, 0.15) 0%, transparent 70%);
}

/* Installation Steps */
.installation-steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  flex-shrink: 0;
}

.step-content h4 {
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

/* Enhanced Code Examples */
.code-example {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  overflow: hidden;
  position: relative;
  backdrop-filter: blur(10px);
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-language {
  background: var(--accent-primary);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: bold;
}

.code-example pre {
  margin: 0;
  padding: 1.5rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.5;
}

.code-example code {
  background: none;
  padding: 0;
  color: var(--text-secondary);
}

/* Glass Showcase */
.glass-showcase {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.showcase-section h4 {
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.glass-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.glass-demo-card {
  padding: 1.5rem;
  border-radius: var(--border-radius);
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.glass-demo-card h5 {
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.glass-demo-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

.advanced-components {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* API Demo */
.api-methods ul {
  list-style: none;
  padding: 0;
}

.api-methods li {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.api-methods li:last-child {
  border-bottom: none;
}

.api-demo {
  margin: 2rem 0;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.demo-target {
  padding: 2rem;
  text-align: center;
  margin: 1rem 0;
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
}

/* Feature Icon */
.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

/* Enhanced Responsive Design */
@media (max-width: 768px) {
  body {
    padding-right: var(--spacing-md);
    padding-left: var(--spacing-md);
  }
  
  .demo-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 1rem;
  }
  
  .glass-grid {
    grid-template-columns: 1fr;
  }
  
  .installation-steps {
    gap: 1.5rem;
  }
  
  .step {
    flex-direction: column;
    text-align: center;
  }
  
  .fab-glass {
    bottom: 1rem;
    right: 1rem;
    width: 44px;
    height: 44px;
  }
}