/* ============================================================
   ACCELERATOR DESIGN SYSTEM - INSPIRED BY TURING.COM
   Premium Dark Theme with Neon Gradient Effects
   ============================================================ */

/* CSS VARIABLES - Core Design Tokens */
:root {
  /* PRIMARY COLORS - Neon Blue & Electric Accents */
  --primary: #0080ff;
  --primary-bright: #00d4ff;
  --primary-dark: #0056cc;
  --primary-light: #001a4d;
  
  /* SECONDARY - Gold/Orange Accent */
  --secondary: #ffa500;
  --secondary-bright: #ffb84d;
  
  /* NEUTRAL COLORS - Dark Theme */
  --bg-primary: #0a0e27;
  --bg-secondary: #1a1f3a;
  --bg-tertiary: #252d4a;
  --text-primary: #f0f4ff;
  --text-secondary: #b0bfd9;
  --text-tertiary: #7a8fa3;
  --border-color: #2d3a54;
  --border-light: #1a2540;
  
  /* ACCENT COLORS */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #0080ff;
  
  /* GRADIENTS - Neon Style */
  --gradient-primary: linear-gradient(135deg, #0080ff 0%, #00d4ff 100%);
  --gradient-secondary: linear-gradient(135deg, #ff8c00 0%, #ffa500 100%);
  --gradient-neon: linear-gradient(90deg, #0080ff 0%, #00d4ff 50%, #ffa500 100%);
  --gradient-dark: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
  
  /* SHADOWS - Neon Glow Effects */
  --shadow-sm: 0 1px 3px rgba(0, 128, 255, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 128, 255, 0.15);
  --shadow-lg: 0 10px 30px rgba(0, 128, 255, 0.2);
  --shadow-xl: 0 20px 50px rgba(0, 128, 255, 0.25);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3), 0 0 40px rgba(0, 128, 255, 0.15);
  
  
  /* SPACING */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* TYPOGRAPHY */
  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  --font-family-mono: 'Menlo', 'Monaco', 'Courier New', monospace;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 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-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* LINE HEIGHT */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* BORDER RADIUS */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* TRANSITIONS */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
  
  /* BREAKPOINTS (for reference) */
  --bp-sm: 640px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
  --bp-2xl: 1536px;
}

/* ============================================================
   GLOBAL STYLES - DARK THEME
   ============================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html, body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(0, 128, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 165, 0, 0.03) 0%, transparent 50%);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

h1 {
  font-size: var(--font-size-5xl);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-4xl);
  letter-spacing: -0.015em;
}

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

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

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

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

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

a {
  color: var(--primary-bright);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* ============================================================
   BUTTON STYLES
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
  gap: var(--spacing-sm);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--bg-primary);
  box-shadow: var(--shadow-glow);
  font-weight: 600;
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #00a8ff 0%, #00eeff 100%);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.5), 0 0 60px rgba(0, 128, 255, 0.2);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(0, 128, 255, 0.1);
  color: var(--primary-bright);
  border: 2px solid var(--primary);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(0, 128, 255, 0.2);
  border-color: var(--primary-bright);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover:not(:disabled) {
  background: rgba(0, 212, 255, 0.1);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-dark:hover:not(:disabled) {
  background: var(--bg-tertiary);
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(0, 128, 255, 0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn-block {
  width: 100%;
  display: flex;
}

/* ============================================================
   CARD STYLES
   ============================================================ */

.card {
  background: linear-gradient(135deg, rgba(26, 31, 58, 0.8) 0%, rgba(37, 45, 74, 0.6) 100%);
  border: 1px solid rgba(0, 128, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
  box-shadow: inset 0 0 20px rgba(0, 128, 255, 0.05);
  backdrop-filter: blur(10px);
}

.card:hover {
  box-shadow: 0 0 30px rgba(0, 128, 255, 0.2), inset 0 0 20px rgba(0, 128, 255, 0.08);
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.4);
}

.card-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  gap: var(--spacing-md);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin: 0;
  color: var(--text-primary);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin: 0;
}

.card-body {
  margin-bottom: var(--spacing-md);
}

.card-footer {
  border-top: 1px solid rgba(0, 128, 255, 0.15);
  padding-top: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.card.card-featured {
  background: linear-gradient(135deg, rgba(0, 128, 255, 0.15) 0%, rgba(255, 165, 0, 0.1) 100%);
  border: 2px solid rgba(0, 212, 255, 0.5);
  box-shadow: 0 0 30px rgba(0, 128, 255, 0.2);
}

.card.card-dark {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  color: var(--text-primary);
  border-color: var(--primary);
}

.card.card-dark p {
  color: var(--text-secondary);
}

/* ============================================================
   BADGE & TAG STYLES
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  gap: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary {
  background: var(--primary-light);
  color: var(--primary);
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.badge-error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
}

.badge-dark {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.tag {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* ============================================================
   SECTION & CONTAINER STYLES
   ============================================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: 0;
}

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

.section-gradient {
  background: var(--gradient-primary);
  color: white;
}

.section-gradient p,
.section-gradient h1,
.section-gradient h2,
.section-gradient h3 {
  color: white;
}

/* ============================================================
   NAVIGATION & HEADER
   ============================================================ */

.navbar {
  background: linear-gradient(180deg, rgba(10, 14, 39, 0.95) 0%, rgba(10, 14, 39, 0.8) 100%);
  border-bottom: 1px solid rgba(0, 128, 255, 0.1);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0, 128, 255, 0.1);
  backdrop-filter: blur(10px);
}

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

.navbar-brand {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-bright);
  text-decoration: none;
  letter-spacing: 0.05em;
}

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

.navbar-nav a {
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
  position: relative;
  transition: color var(--transition-fast);
}

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

.navbar-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-fast);
}

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

/* ============================================================
   GRID LAYOUTS
   ============================================================ */

.grid {
  display: grid;
  gap: var(--spacing-xl);
}

.grid-cols-1 {
  grid-template-columns: 1fr;
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   FLEXBOX UTILITIES
   ============================================================ */

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-column {
  flex-direction: column;
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

.gap-xl {
  gap: var(--spacing-xl);
}

/* ============================================================
   FORM STYLES
   ============================================================ */

.form-group {
  margin-bottom: var(--spacing-xl);
}

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

input,
textarea,
select {
  width: 100%;
  padding: var(--spacing-md);
  font-size: var(--font-size-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-family: var(--font-family-base);
  transition: all var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

input:disabled,
textarea:disabled,
select:disabled {
  background: var(--bg-secondary);
  cursor: not-allowed;
  opacity: 0.6;
}

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

.form-help {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  margin-top: var(--spacing-sm);
}

.form-error {
  color: var(--error);
}

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-left {
  text-align: left;
}

.text-primary {
  color: var(--text-primary);
}

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

.text-tertiary {
  color: var(--text-tertiary);
}

.text-white {
  color: white;
}

.text-bold {
  font-weight: var(--font-weight-bold);
}

.text-semibold {
  font-weight: var(--font-weight-semibold);
}

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

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

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

.uppercase {
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ============================================================
   SPACING UTILITIES
   ============================================================ */

.m-0 { margin: 0; }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: 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); }

.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); }

.p-0 { padding: 0; }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

.rounded {
  border-radius: var(--radius-md);
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

.rounded-xl {
  border-radius: var(--radius-xl);
}

.rounded-full {
  border-radius: var(--radius-full);
}

.shadow {
  box-shadow: var(--shadow-md);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

.shadow-xl {
  box-shadow: var(--shadow-xl);
}

.opacity-50 {
  opacity: 0.5;
}

.opacity-75 {
  opacity: 0.75;
}

.hidden {
  display: none;
}

.block {
  display: block;
}

.inline {
  display: inline;
}

.inline-block {
  display: inline-block;
}

/* ============================================================
   RESPONSIVE UTILITIES
   ============================================================ */

@media (max-width: 768px) {
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .section-header {
    margin-bottom: var(--spacing-2xl);
  }
  
  h1 {
    font-size: var(--font-size-4xl);
  }
  
  h2 {
    font-size: var(--font-size-3xl);
  }
  
  .navbar-nav {
    gap: var(--spacing-lg);
  }
  
  .card {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: var(--font-size-3xl);
  }
  
  h2 {
    font-size: var(--font-size-2xl);
  }
  
  .btn {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
}

/* ============================================================
   ANIMATION KEYFRAMES
   ============================================================ */

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate-fadeIn {
  animation: fadeIn 0.6s ease-out;
}

.animate-slideInLeft {
  animation: slideInLeft 0.6s ease-out;
}

.animate-slideInRight {
  animation: slideInRight 0.6s ease-out;
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(0, 128, 255, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(255, 165, 0, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: conic-gradient(from 0deg at 50% 50%, 
    rgba(0, 128, 255, 0.1) 0deg, 
    rgba(0, 212, 255, 0.05) 120deg, 
    rgba(255, 165, 0, 0.08) 240deg, 
    rgba(0, 128, 255, 0.1) 360deg);
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: var(--spacing-lg);
  animation: fadeInDown 0.8s ease-out;
}

.hero h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-xl);
  color: white;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  color: rgba(240, 244, 255, 0.8);
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   FEATURE GRID
   ============================================================ */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.feature-card {
  background: linear-gradient(135deg, rgba(26, 31, 58, 0.6) 0%, rgba(37, 45, 74, 0.4) 100%);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(0, 128, 255, 0.2);
  text-align: center;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 0 30px rgba(0, 128, 255, 0.25);
  border-color: rgba(0, 212, 255, 0.5);
  background: linear-gradient(135deg, rgba(0, 128, 255, 0.1) 0%, rgba(0, 212, 255, 0.08) 100%);
}

.feature-card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(0, 128, 255, 0.2) 0%, rgba(0, 212, 255, 0.15) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 212, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  font-size: var(--font-size-2xl);
}

.feature-card h3 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ============================================================
   CTA SECTION
   ============================================================ */

.cta-section {
  background: var(--gradient-dark);
  color: white;
  padding: var(--spacing-3xl) var(--spacing-lg);
  border-radius: var(--radius-2xl);
  text-align: center;
  margin: var(--spacing-3xl) 0;
}

.cta-section h2 {
  color: white;
  margin-bottom: var(--spacing-lg);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-xl);
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background: var(--text-primary);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
}

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

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: white;
  text-decoration: none;
}

.footer-bottom {
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
}

/* ============================================================
   TAILWIND ALTERNATIVE CLASSNAMES
   For maximum flexibility and Windsurf integration
   ============================================================ */

/* Margin utilities */
.margin-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }

/* Padding utilities */
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }

/* Width utilities */
.w-full { width: 100%; }
.w-screen { width: 100vw; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }

/* Height utilities */
.h-full { height: 100%; }
.h-screen { height: 100vh; }

/* Display utilities */
.inline-flex { display: inline-flex; }

/* Justify and Align */
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-center { align-items: center; }
.items-stretch { align-items: stretch; }