/* Modern UI System - World Class Design */

:root {
  /* Premium Color Palette - Luxury Red & Gold */
  --primary-red: #DC143C;
  --deep-red: #8B0000;
  --wine-red: #722F37;
  --gold: #FFD700;
  --champagne: #F7E7CE;
  --warm-orange: #FF6B35;
  --coral: #FF7F50;
  
  /* Neutral Palette */
  --black: #0A0A0A;
  --dark-gray: #1A1A1A;
  --medium-gray: #404040;
  --light-gray: #F5F5F5;
  --white: #FFFFFF;
  --off-white: #FAFAFA;
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
  --glass-blur: blur(10px);
  
  /* Shadows - Elevation System */
  --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
  --shadow-2xl: 0 24px 64px rgba(0, 0, 0, 0.18);
  --shadow-glow: 0 0 40px rgba(220, 20, 60, 0.3);
  
  /* Typography - Premium Font Stack */
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  
  /* Spacing System */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;
  
  /* 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);
  --transition-spring: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

body {
  font-family: var(--font-body);
  background: linear-gradient(135deg, #0A0A0A 0%, #1A1A1A 100%);
  color: var(--white);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Animated Background Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(220, 20, 60, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 215, 0, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(255, 107, 53, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 1;
}

/* Premium Glass Card */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255, 255, 255, 0.3), 
    transparent);
  animation: shimmer 3s infinite;
}

.glass-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2xl), var(--shadow-glow);
  border-color: rgba(220, 20, 60, 0.3);
}

/* Premium Buttons */
.btn-premium {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: linear-gradient(135deg, var(--primary-red), var(--wine-red));
  color: var(--white);
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-spring);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.btn-premium::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
}

.btn-premium:hover::before {
  width: 300px;
  height: 300px;
}

.btn-premium:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-xl), 0 10px 40px rgba(220, 20, 60, 0.4);
}

.btn-premium:active {
  transform: translateY(0) scale(0.98);
}

/* Ghost Button */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-ghost:hover {
  border-color: var(--primary-red);
  color: var(--primary-red);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(220, 20, 60, 0.3);
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--primary-red), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

/* Premium Input Fields */
.input-premium {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--white);
  font-size: 1rem;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.input-premium:focus {
  outline: none;
  border-color: var(--primary-red);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.1);
}

.input-premium::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

/* Floating Labels */
.input-group {
  position: relative;
  margin-bottom: var(--space-lg);
}

.input-label {
  position: static;
  display: block;
  margin-bottom: 0.5rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition-base);
}

.input-premium:focus + .input-label,
.input-premium:not(:placeholder-shown) + .input-label {
  font-size: 0.875rem;
  color: var(--primary-red);
}

/* Premium Cards Grid */
.premium-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  padding: var(--space-2xl) 0;
}

/* Hover Card Effect */
.hover-card {
  position: relative;
  padding: var(--space-xl);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
  cursor: pointer;
  overflow: hidden;
}

.hover-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(220, 20, 60, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.hover-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-2xl);
  border-color: rgba(220, 20, 60, 0.3);
}

.hover-card:hover::after {
  opacity: 1;
}

/* Glow Effect */
.glow {
  position: relative;
  display: inline-block;
}

.glow::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(135deg, var(--primary-red), var(--gold));
  border-radius: inherit;
  filter: blur(10px);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.glow:hover::before {
  opacity: 0.7;
}

/* Animations */
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.9; }
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Floating Animation */
.float-animation {
  animation: float 3s ease-in-out infinite;
}

/* Pulse Animation */
.pulse-animation {
  animation: pulse 2s ease-in-out infinite;
}

/* Gradient Animation */
.gradient-animation {
  background-size: 200% 200%;
  animation: gradient-shift 3s ease infinite;
}

/* Premium Badge */
.badge-premium {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: linear-gradient(135deg, var(--gold), var(--champagne));
  color: var(--black);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* Icon Container */
.icon-container {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(220, 20, 60, 0.1), rgba(255, 215, 0, 0.1));
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.icon-container:hover {
  transform: rotate(-5deg) scale(1.1);
  background: linear-gradient(135deg, rgba(220, 20, 60, 0.2), rgba(255, 215, 0, 0.2));
}

/* Premium Tooltip */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-content {
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-sm) var(--space-md);
  background: var(--black);
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
}

.tooltip:hover .tooltip-content {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-5px);
}

/* Scroll Indicator */
.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-red), var(--gold));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform var(--transition-base);
  z-index: 1000;
}

/* Premium Navigation */
.nav-premium {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: var(--space-md) var(--space-2xl);
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 999;
  transition: all var(--transition-base);
}

.nav-premium.scrolled {
  padding: var(--space-sm) var(--space-2xl);
  background: rgba(10, 10, 10, 0.95);
  box-shadow: var(--shadow-lg);
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--primary-red);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --space-md: 0.875rem;
    --space-lg: 1.25rem;
    --space-xl: 1.75rem;
    --space-2xl: 2.5rem;
  }
  
  .premium-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

/* Print Styles */
@media print {
  body {
    background: white;
    color: black;
  }
  
  .no-print {
    display: none !important;
  }
}