/* HailBytes Static Site - Main Stylesheet */
/* Dark Mode SaaS Design with Electric Blue and Green Accents */

:root {
  /* Color Palette - Enhanced with Purple/Violet Accents */
  --color-bg-primary: #0a0e1a;
  --color-bg-secondary: #12182b;
  --color-bg-tertiary: #1a2237;
  --color-bg-card: #1e2840;
  --color-bg-hover: #252f4a;
  --color-bg-elevated: #2a3650;

  --color-text-primary: #e8edf4;
  --color-text-secondary: #a8b2d1;
  --color-text-tertiary: #6b7a99;

  --color-accent-blue: #00e5ff;
  --color-accent-blue-dark: #00a8cc;
  --color-accent-blue-light: #33ddff;
  --color-accent-green: #00ff88;
  --color-accent-green-dark: #00cc6a;
  --color-accent-purple: #7c3aed;
  --color-accent-purple-light: #9d5eff;
  --color-accent-violet: #8b5cf6;

  --color-border: #2d3748;
  --color-border-light: #3d4758;

  --color-success: #00ff88;
  --color-warning: #ffb800;
  --color-error: #ff4757;
  --color-info: #00e5ff;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Typography */
  --font-family-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  --font-size-7xl: 4.5rem;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --font-weight-black: 900;

  /* Shadows - Enhanced Glow Effects */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  --shadow-glow-blue: 0 0 30px rgba(0, 229, 255, 0.4);
  --shadow-glow-blue-intense: 0 0 40px rgba(0, 229, 255, 0.6);
  --shadow-glow-green: 0 0 30px rgba(0, 255, 136, 0.4);
  --shadow-glow-green-intense: 0 0 40px rgba(0, 255, 136, 0.6);
  --shadow-glow-purple: 0 0 30px rgba(124, 58, 237, 0.4);

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography - Enhanced Hierarchy */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-extrabold);
}

h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
}

h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
}

h4 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
}

h5 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

h6 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* Gradient Text Effect */
.gradient-text {
  background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-purple {
  background: linear-gradient(135deg, var(--color-accent-purple), var(--color-accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

a {
  color: var(--color-accent-blue);
  text-decoration: none;
  transition: all var(--transition-fast);
}

a:hover {
  color: var(--color-accent-blue-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

code, pre {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
}

code {
  padding: 0.2em 0.4em;
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  color: var(--color-accent-green);
}

pre {
  padding: var(--spacing-md);
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  overflow-x: auto;
  border: 1px solid var(--color-border);
}

/* Container & Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: rgba(10, 14, 26, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
}

.nav-brand:hover {
  color: var(--color-accent-blue);
}

.nav-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  padding-bottom: 0.25rem;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-blue);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent-blue);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  gap: var(--spacing-sm);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  min-width: 48px;
  min-height: 48px;
  padding: 12px;
}

/* Buttons - Enhanced CTA Elements */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: inherit;
  min-height: 52px;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-blue-dark));
  background-size: 200% 200%;
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-md), var(--shadow-glow-blue);
  animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-blue-light), var(--color-accent-green));
  background-size: 200% 200%;
  color: var(--color-bg-primary) !important;
  text-decoration: none !important;
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-glow-blue-intense), var(--shadow-xl);
}

.btn-primary:active {
  background: linear-gradient(135deg, var(--color-accent-blue-dark), #008099);
  color: var(--color-bg-primary) !important;
  transform: translateY(-1px) scale(1);
  box-shadow: var(--shadow-glow-blue), var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-accent-green);
  border: 2px solid var(--color-accent-green);
  box-shadow: none;
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--color-accent-green), var(--color-accent-green-dark));
  color: var(--color-bg-primary) !important;
  border-color: var(--color-accent-green);
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-glow-green-intense), var(--shadow-lg);
  text-decoration: none !important;
}

.btn-secondary:active {
  background: var(--color-accent-green-dark);
  color: var(--color-bg-primary) !important;
  transform: translateY(-1px) scale(1);
  box-shadow: var(--shadow-glow-green), var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent-blue);
  border: 2px solid var(--color-accent-blue);
  box-shadow: none;
}

.btn-outline:hover {
  background: rgba(0, 229, 255, 0.1);
  color: var(--color-accent-blue-light) !important;
  border-color: var(--color-accent-blue-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-blue), var(--shadow-lg);
  text-decoration: none !important;
}

.btn-outline:active {
  background: rgba(0, 229, 255, 0.15);
  color: var(--color-accent-blue) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 1.25rem 2.5rem;
  font-size: var(--font-size-lg);
  min-height: 60px;
  font-weight: var(--font-weight-bold);
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: var(--font-size-sm);
  min-height: 44px;
}

/* Button Icon Support */
.btn svg {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-base);
}

.btn:hover svg {
  transform: translateX(3px);
}

/* Pulsing CTA Effect */
.btn-pulse {
  animation: btnPulse 2s ease-in-out infinite;
}

@keyframes btnPulse {
  0%, 100% {
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(0, 229, 255, 0.7);
  }
  50% {
    box-shadow: var(--shadow-md), 0 0 0 10px rgba(0, 229, 255, 0);
  }
}

/* Hero Section - Enhanced Impact */
.hero {
  padding: calc(var(--spacing-3xl) * 1.5) 0;
  background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
  position: relative;
  overflow: hidden;
  min-height: 600px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(0, 229, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 255, 136, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 60% 20%, rgba(124, 58, 237, 0.1) 0%, transparent 40%);
  pointer-events: none;
  animation: heroGradientShift 15s ease infinite;
}

@keyframes heroGradientShift {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-black);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 229, 255, 0.2);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
  font-weight: var(--font-weight-normal);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* Card Components - Enhanced Design */
.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-green));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  border-color: var(--color-accent-blue);
  box-shadow: var(--shadow-glow-blue-intense), var(--shadow-xl);
  transform: translateY(-8px);
  background-color: var(--color-bg-hover);
}

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

.card:active {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-blue), var(--shadow-md);
}

.card-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
}

.card-description {
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* Card Badges */
.card-badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  padding: 0.35rem 0.75rem;
  background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-purple));
  color: white;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Section Styles - Enhanced Visual Separation */
.section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

.section-compact {
  padding: var(--spacing-2xl) 0;
}

.section-spacious {
  padding: calc(var(--spacing-3xl) * 1.5) 0;
}

.section-accent {
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
  position: relative;
}

.section-accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-blue), transparent);
}

.section-divider {
  margin: var(--spacing-3xl) auto;
  max-width: 100px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-green));
  border-radius: var(--radius-sm);
}

.section-marker {
  position: absolute;
  left: 0;
  top: var(--spacing-xl);
  width: 4px;
  height: 60px;
  background: linear-gradient(180deg, var(--color-accent-blue), var(--color-accent-purple));
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-weight: var(--font-weight-extrabold);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.8;
}

/* Feature Grid - Enhanced Icons */
.feature-card {
  text-align: center;
  transition: all var(--transition-base);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-purple));
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md), var(--shadow-glow-blue);
  transition: all var(--transition-base);
  position: relative;
}

.feature-icon::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-green));
  border-radius: var(--radius-xl);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, var(--color-accent-blue-light), var(--color-accent-green));
  box-shadow: var(--shadow-glow-blue-intense), var(--shadow-xl);
  transform: scale(1.1) rotate(5deg);
}

.feature-card:hover .feature-icon::before {
  opacity: 1;
}

.feature-icon svg {
  width: 40px;
  height: 40px;
  fill: none;
  stroke: var(--color-bg-primary);
  color: var(--color-bg-primary);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon svg {
  transform: scale(1.1);
}

/* Animated Icon Variants */
.feature-icon.icon-pulse {
  animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
  0%, 100% {
    box-shadow: var(--shadow-md), var(--shadow-glow-blue);
  }
  50% {
    box-shadow: var(--shadow-xl), var(--shadow-glow-blue-intense);
  }
}

/* Stats Section - Enhanced Data Visualization */
.stats {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  padding: var(--spacing-2xl);
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-green), var(--color-accent-purple));
}

.stat {
  text-align: center;
  flex: 1;
  min-width: 200px;
  position: relative;
  padding: var(--spacing-md);
  transition: all var(--transition-base);
}

.stat::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-green));
  transition: width var(--transition-base);
}

.stat:hover::before {
  width: 80%;
}

.stat-value {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-black);
  background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
  display: inline-block;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: var(--font-weight-medium);
}

.stat-icon {
  width: 32px;
  height: 32px;
  margin: 0 auto var(--spacing-sm);
  color: var(--color-accent-blue);
}

/* Progress Bar for Stats */
.stat-progress {
  width: 100%;
  height: 6px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-sm);
  overflow: hidden;
  position: relative;
}

.stat-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-green));
  border-radius: var(--radius-sm);
  transition: width 1s ease-out;
  position: relative;
}

.stat-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: progressShimmer 2s infinite;
}

@keyframes progressShimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Pricing Tables */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.pricing-card {
  background-color: var(--color-bg-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.pricing-card.featured {
  border-color: var(--color-accent-blue);
  box-shadow: var(--shadow-glow-blue);
  position: relative;
}

.pricing-card.featured::before {
  content: 'POPULAR';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent-blue);
  color: var(--color-bg-primary);
  padding: 0.25rem 1rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  box-shadow: var(--shadow-md);
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-accent-blue);
}

.pricing-tier {
  font-size: var(--font-size-sm);
  color: var(--color-accent-blue);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.pricing-price {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.pricing-period {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-lg);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
  text-align: left;
}

.pricing-features li {
  padding: var(--spacing-sm) 0;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

.pricing-features li:before {
  content: '✓';
  color: var(--color-accent-green);
  font-weight: 700;
  margin-right: var(--spacing-sm);
}

/* Footer - Enhanced Design */
.footer {
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
  border-top: 2px solid transparent;
  border-image: linear-gradient(90deg, transparent, var(--color-accent-blue), var(--color-accent-green), transparent) 1;
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-blue), transparent);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.footer-section h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-green));
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--color-accent-blue);
  transform: translateX(5px);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  text-align: center;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

/* Footer Logo */
.footer-logo {
  max-width: 160px;
  margin-bottom: var(--spacing-md);
  filter: brightness(1.2);
}

/* Social Links */
.footer-social {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}

.footer-social a:hover {
  background: var(--color-accent-blue);
  color: var(--color-bg-primary);
  border-color: var(--color-accent-blue);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-blue);
}

/* Content Section Enhancements */

/* Pull Quotes */
.pull-quote {
  background: var(--color-bg-card);
  border-left: 4px solid var(--color-accent-blue);
  padding: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-xl);
  font-style: italic;
  color: var(--color-text-primary);
  position: relative;
}

.pull-quote::before {
  content: '"';
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  font-size: var(--font-size-5xl);
  color: var(--color-accent-blue);
  opacity: 0.3;
  font-family: Georgia, serif;
}

.pull-quote-author {
  margin-top: var(--spacing-md);
  font-size: var(--font-size-base);
  font-style: normal;
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-medium);
}

/* Callout Boxes */
.callout {
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin: var(--spacing-lg) 0;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  position: relative;
  overflow: hidden;
}

.callout::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: var(--color-accent-blue);
}

.callout-info {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.05), rgba(0, 229, 255, 0.02));
  border-color: var(--color-accent-blue);
}

.callout-info::before {
  background: linear-gradient(180deg, var(--color-accent-blue), var(--color-accent-purple));
}

.callout-success {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.05), rgba(0, 255, 136, 0.02));
  border-color: var(--color-success);
}

.callout-success::before {
  background: var(--color-success);
}

.callout-warning {
  background: linear-gradient(135deg, rgba(255, 184, 0, 0.05), rgba(255, 184, 0, 0.02));
  border-color: var(--color-warning);
}

.callout-warning::before {
  background: var(--color-warning);
}

.callout-title {
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-primary);
}

.callout-icon {
  width: 24px;
  height: 24px;
}

/* Product Images & Screenshots */
.product-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl), var(--shadow-glow-blue);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}

.product-image:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-2xl), var(--shadow-glow-blue-intense);
}

.product-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: all var(--transition-base);
}

/* Browser Frame for Screenshots */
.browser-frame {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
}

.browser-frame-header {
  background: var(--color-bg-tertiary);
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  border-bottom: 1px solid var(--color-border);
}

.browser-frame-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-text-tertiary);
}

.browser-frame-dot:nth-child(1) {
  background: #ff5f56;
}

.browser-frame-dot:nth-child(2) {
  background: #ffbd2e;
}

.browser-frame-dot:nth-child(3) {
  background: #27c93f;
}

.browser-frame-content {
  padding: var(--spacing-md);
}

.browser-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}

/* Comparison Tables */
.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--spacing-xl) 0;
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

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

.comparison-table th {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: var(--font-size-sm);
}

.comparison-table tr:hover {
  background: var(--color-bg-hover);
}

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

.comparison-check {
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
}

.comparison-cross {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-xl);
}

/* Step-by-Step Visuals */
.steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
}

.step {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-blue), var(--color-accent-purple));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-glow-blue);
}

.step-content h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.step-content p {
  color: var(--color-text-secondary);
}

/* Timeline Connector */
.steps .step:not(:last-child) .step-number::after {
  content: '';
  position: absolute;
  top: 48px;
  left: 23px;
  width: 2px;
  height: 60px;
  background: linear-gradient(180deg, var(--color-accent-blue), transparent);
}

.step {
  position: relative;
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
  font-weight: 500;
  font-size: var(--font-size-sm);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

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

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-blue {
  background-color: var(--color-accent-blue);
  color: var(--color-bg-primary);
  box-shadow: 0 2px 4px rgba(0, 212, 255, 0.3);
}

.badge-green {
  background-color: var(--color-accent-green);
  color: var(--color-bg-primary);
  box-shadow: 0 2px 4px rgba(0, 255, 136, 0.3);
}

.badge-outline {
  background-color: transparent;
  border: 1px solid var(--color-accent-blue);
  color: var(--color-accent-blue);
}

/* Prevent badges in links from becoming unreadable on hover */
a .badge,
a:hover .badge {
  color: var(--color-bg-primary) !important;
}

a .badge-outline,
a:hover .badge-outline {
  color: var(--color-accent-blue) !important;
  background-color: transparent !important;
}

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

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Responsive Design - Optimized Mobile Experience */
@media (max-width: 768px) {
  /* Navigation */
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
    border-top: 2px solid var(--color-accent-blue);
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
  }

  .nav-toggle:hover {
    background: var(--color-accent-blue);
    color: var(--color-bg-primary);
  }

  .nav-link {
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-base);
  }

  .nav-cta {
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-sm);
  }

  /* Hero Section */
  .hero {
    padding: var(--spacing-3xl) 0;
    min-height: 500px;
  }

  .hero-title {
    font-size: var(--font-size-4xl);
    letter-spacing: -0.02em;
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
  }

  .hero-cta {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  /* Buttons */
  .btn {
    width: 100%;
    min-height: 56px;
  }

  .btn-lg {
    min-height: 64px;
    font-size: var(--font-size-base);
  }

  /* Typography */
  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-3xl); }
  h3 { font-size: var(--font-size-2xl); }
  h4 { font-size: var(--font-size-xl); }

  /* Cards */
  .card {
    padding: var(--spacing-lg);
  }

  .card-title {
    font-size: var(--font-size-xl);
  }

  /* Feature Icons */
  .feature-icon {
    width: 64px;
    height: 64px;
  }

  .feature-icon svg {
    width: 32px;
    height: 32px;
  }

  /* Stats */
  .stat-value {
    font-size: var(--font-size-4xl);
  }

  /* Sections */
  .section {
    padding: var(--spacing-2xl) 0;
  }

  .section-spacious {
    padding: var(--spacing-3xl) 0;
  }

  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  /* Content Elements */
  .pull-quote {
    padding: var(--spacing-lg);
    font-size: var(--font-size-lg);
  }

  .callout {
    padding: var(--spacing-md);
  }

  /* Steps */
  .step {
    flex-direction: row;
  }

  .step-number {
    width: 40px;
    height: 40px;
    font-size: var(--font-size-lg);
  }
}

@media (max-width: 480px) {
  /* Grid Layouts */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  /* Stats */
  .stats {
    flex-direction: column;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
  }

  /* Hero */
  .hero-title {
    font-size: var(--font-size-3xl);
  }

  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }

  /* Spacing */
  .section {
    padding: var(--spacing-xl) 0;
  }

  /* Cards */
  .card {
    padding: var(--spacing-md);
  }

  /* Tables */
  .comparison-table {
    font-size: var(--font-size-sm);
  }

  .comparison-table th,
  .comparison-table td {
    padding: var(--spacing-sm);
  }
}

/* Touch-friendly improvements for mobile */
@media (hover: none) and (pointer: coarse) {
  /* Larger touch targets */
  .btn {
    min-height: 56px;
    padding: 1rem 1.5rem;
  }

  .nav-link {
    padding: var(--spacing-md) 0;
  }

  .card {
    cursor: default;
  }

  /* Disable hover effects on touch devices */
  .card:hover {
    transform: none;
  }

  /* But enable tap feedback */
  .card:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
  }

  .btn:active {
    transform: scale(0.97);
  }
}

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

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

/* Fade in sections on load */
.section {
  animation: fadeInUp 0.6s ease-out;
}

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

/* Button ripple and shine effects */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  z-index: 0;
}

.btn:active::before {
  width: 400px;
  height: 400px;
}

/* Button shine effect on hover */
.btn-primary::after,
.btn-secondary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -60%;
  width: 20%;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: rotate(25deg);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-primary:hover::after,
.btn-secondary:hover::after {
  opacity: 1;
  animation: btnShine 0.8s ease;
}

@keyframes btnShine {
  0% {
    left: -60%;
  }
  100% {
    left: 140%;
  }
}

/* Ensure button text stays on top */
.btn > * {
  position: relative;
  z-index: 1;
}

/* Smooth focus states for accessibility */
.btn:focus-visible,
.form-input:focus-visible,
.form-textarea:focus-visible,
.form-select:focus-visible {
  outline: 3px solid var(--color-accent-blue);
  outline-offset: 2px;
}

/* Nav brand hover effect */
.nav-brand {
  transition: all var(--transition-base);
}

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

.nav-brand:hover .nav-logo {
  animation: pulse 0.6s ease-in-out;
}

/* Stat value count-up effect (visual cue) */
.stat-value {
  transition: all var(--transition-base);
}

.stat:hover .stat-value {
  transform: scale(1.1);
  color: var(--color-accent-green);
}

/* Footer links with smooth transitions */
.footer-links a {
  position: relative;
  display: inline-block;
}

.footer-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent-blue);
  transition: width var(--transition-fast);
}

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

/* Pricing card pulse on hover */
.pricing-card:hover {
  animation: pulse 0.3s ease-in-out;
}

/* Add subtle glow to form inputs on focus */
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-accent-blue);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1), 0 0 20px rgba(0, 212, 255, 0.2);
}

/* Active state for feature cards */
.feature-card {
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
}

/* Smooth scroll hint */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

/* Selection styling */
::selection {
  background: var(--color-accent-blue);
  color: var(--color-bg-primary);
}

::-moz-selection {
  background: var(--color-accent-blue);
  color: var(--color-bg-primary);
}

/* Button text selection - darker background for visibility */
.btn-primary::selection {
  background: var(--color-bg-primary);
  color: var(--color-accent-blue-light);
}

.btn-primary::-moz-selection {
  background: var(--color-bg-primary);
  color: var(--color-accent-blue-light);
}

/* ============================================================================ */
/* PREMIUM EXPERIENCE ENHANCEMENTS */
/* ============================================================================ */

/* Scroll Progress Bar - Enhanced */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent-blue), var(--color-accent-green), var(--color-accent-purple));
  z-index: calc(var(--z-sticky) + 1);
  transition: width 0.1s ease-out;
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.6), 0 0 40px rgba(0, 255, 136, 0.3);
}

.scroll-progress::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: progressGlide 2s ease-in-out infinite;
}

@keyframes progressGlide {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Loading Indicators - Enhanced */
.loading-skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-tertiary) 0%,
    var(--color-bg-hover) 50%,
    var(--color-bg-tertiary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.loading-skeleton::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.1), transparent);
  animation: skeletonShine 2s ease-in-out infinite;
}

@keyframes skeletonShine {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.loading-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--color-accent-blue);
  border-right-color: var(--color-accent-green);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.3);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Page Loader */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.3s ease-out;
}

.page-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.page-loader-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--color-accent-blue);
  border-right-color: var(--color-accent-green);
  border-bottom-color: var(--color-accent-purple);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.4);
}

/* Button Success State */
.btn-success-state {
  background: var(--color-success) !important;
  pointer-events: none;
}

.btn-success-state::after {
  content: '✓';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.5em;
  color: var(--color-bg-primary);
  animation: checkmarkPop 0.3s ease-out;
}

@keyframes checkmarkPop {
  0% {
    transform: translate(-50%, -50%) scale(0);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.2);
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
  }
}

/* Form Validation States */
.form-input.valid,
.form-textarea.valid {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.form-input.invalid,
.form-textarea.invalid {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(255, 71, 87, 0.1);
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: none;
}

.form-input.invalid ~ .form-error,
.form-textarea.invalid ~ .form-error {
  display: block;
}

/* Scroll-triggered reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered grid animations */
.grid-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.grid-stagger.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

.grid-stagger.revealed > *:nth-child(1) { transition-delay: 0.05s; }
.grid-stagger.revealed > *:nth-child(2) { transition-delay: 0.1s; }
.grid-stagger.revealed > *:nth-child(3) { transition-delay: 0.15s; }
.grid-stagger.revealed > *:nth-child(4) { transition-delay: 0.2s; }
.grid-stagger.revealed > *:nth-child(5) { transition-delay: 0.25s; }
.grid-stagger.revealed > *:nth-child(6) { transition-delay: 0.3s; }
.grid-stagger.revealed > *:nth-child(7) { transition-delay: 0.35s; }
.grid-stagger.revealed > *:nth-child(8) { transition-delay: 0.4s; }
.grid-stagger.revealed > *:nth-child(9) { transition-delay: 0.45s; }
.grid-stagger.revealed > *:nth-child(10) { transition-delay: 0.5s; }

/* Card tilt effect */
.card-tilt {
  transform-style: preserve-3d;
  transition: transform 0.3s ease-out;
  will-change: transform;
}

.card-tilt:hover {
  transform: perspective(2000px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg)) scale(1.01);
}

/* Magnetic button effect */
.btn-magnetic {
  transition: transform 0.2s ease-out;
  will-change: transform;
}

/* Enhanced notification system */
.notification-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
}

.notification {
  pointer-events: auto;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  min-width: 300px;
  animation: slideInRight 0.3s ease-out;
}

.notification.notification-success {
  background: var(--color-success);
  color: var(--color-bg-primary);
}

.notification.notification-error {
  background: var(--color-error);
  color: white;
}

.notification.notification-info {
  background: var(--color-accent-blue);
  color: var(--color-bg-primary);
}

.notification.notification-warning {
  background: var(--color-warning);
  color: var(--color-bg-primary);
}

.notification.notification-exit {
  animation: slideOutRight 0.3s ease-out forwards;
}

@keyframes slideInRight {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(400px);
    opacity: 0;
  }
}

/* Lazy loading blur-up effect */
.lazy-image {
  position: relative;
  overflow: hidden;
}

.lazy-image img {
  transition: filter 0.3s ease-out, opacity 0.3s ease-out;
}

.lazy-image.loading img {
  filter: blur(20px);
  opacity: 0.5;
}

.lazy-image.loaded img {
  filter: blur(0);
  opacity: 1;
}

/* Parallax layers */
.parallax-layer {
  transition: transform 0.1s ease-out;
  will-change: transform;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .grid-stagger > *,
  .card-tilt,
  .btn-magnetic,
  .parallax-layer {
    animation: none !important;
    transition: none !important;
    transform: none !important;
  }

  .scroll-progress {
    transition: none;
  }
}