/* ===================================
   CADGARAGEPRO - DESIGN SYSTEM
   Modern, Professional, Premium
   =================================== */

:root {
  /* Brand Colors - Automotive Premium Theme */
  --color-primary: #e63946;        /* Dynamic Red - CTA and accents */
  --color-primary-dark: #c92a35;
  --color-primary-light: #ff5964;
  
  --color-secondary: #1d3557;      /* Deep Navy - Professional */
  --color-secondary-dark: #14213d;
  --color-secondary-light: #2a4a6f;
  
  --color-accent: #f4a261;         /* Warm Orange - Highlights */
  --color-accent-dark: #e76f51;
  
  /* Neutrals */
  --color-bg-primary: #0a0e14;     /* Dark background */
  --color-bg-secondary: #151a23;
  --color-bg-tertiary: #1e2530;
  --color-bg-elevated: #252d3d;
  
  --color-surface: #1e2530;
  --color-surface-hover: #2a3444;
  
  --color-text-primary: #f8f9fa;
  --color-text-secondary: #adb5bd;
  --color-text-muted: #6c757d;
  
  /* Borders */
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-hover: rgba(255, 255, 255, 0.2);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
  
  --shadow-glow: 0 0 20px rgba(230, 57, 70, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* 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-primary);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

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

a:hover {
  color: var(--color-primary-light);
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-wide {
  max-width: 1440px;
}

.container-narrow {
  max-width: 960px;
}

/* Flexbox utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.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); }

/* Grid utilities */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, 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: 1024px) {
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-cols-4,
  .grid-cols-3,
  .grid-cols-2 { grid-template-columns: 1fr; }
}

/* Text utilities */
.text-center { text-align: center; }
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }

/* ===================================
   BUTTONS
   =================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  color: white;
}

.btn-secondary {
  background: var(--color-secondary);
  color: white;
}

.btn-secondary:hover {
  background: var(--color-secondary-light);
  color: white;
}

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

.btn-outline:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-lg {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

/* ===================================
   CARDS
   =================================== */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card-interactive:hover {
  cursor: pointer;
  border-color: var(--color-primary);
}

/* ===================================
   BADGES
   =================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
}

.badge-primary {
  background: rgba(230, 57, 70, 0.1);
  color: var(--color-primary-light);
}

.badge-accent {
  background: rgba(244, 162, 97, 0.1);
  color: var(--color-accent);
}

/* ===================================
   GRADIENTS & EFFECTS
   =================================== */

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

.glass-effect {
  background: rgba(30, 37, 48, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===================================
   ANIMATIONS
   =================================== */

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

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

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

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

/* Stagger animation for lists */
.stagger-item {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }
.stagger-item:nth-child(6) { animation-delay: 0.6s; }

/* ===================================
   LOADING STATES
   =================================== */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-elevated) 25%,
    var(--color-surface-hover) 50%,
    var(--color-bg-elevated) 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

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

@media (max-width: 1024px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
  }
}

@media (max-width: 640px) {
  :root {
    font-size: 14px;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;
  }
  
  .container {
    padding: 0 var(--spacing-sm);
  }
}

/* Hide on mobile */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}

/* Hide on desktop */
@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}