/**
 * Color System
 * Luxury color palette and backgrounds
 */

/* ============================================
   BACKGROUND COLORS
   ============================================ */
.bg-white {
  background-color: var(--color-white);
}

.bg-cream {
  background-color: var(--color-cream);
}

.bg-cream-dark {
  background-color: var(--color-cream-dark);
}

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

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

.bg-gold {
  background-color: var(--color-gold);
}

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

.bg-gradient-gold {
  background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold-dark) 100%);
}

.bg-gradient-luxury {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-gold) 100%);
}

/* ============================================
   BACKGROUND PATTERNS
   ============================================ */
.bg-pattern-subtle {
  background-color: var(--color-cream);
  background-image:
    linear-gradient(30deg, #f5f2ed 12%, transparent 12.5%, transparent 87%, #f5f2ed 87.5%, #f5f2ed),
    linear-gradient(150deg, #f5f2ed 12%, transparent 12.5%, transparent 87%, #f5f2ed 87.5%, #f5f2ed),
    linear-gradient(30deg, #f5f2ed 12%, transparent 12.5%, transparent 87%, #f5f2ed 87.5%, #f5f2ed),
    linear-gradient(150deg, #f5f2ed 12%, transparent 12.5%, transparent 87%, #f5f2ed 87.5%, #f5f2ed);
  background-size: 80px 140px;
  background-position: 0 0, 0 0, 40px 70px, 40px 70px;
}

.bg-pattern-luxury {
  background-color: var(--color-cream);
  background-image: radial-gradient(circle at 100% 150%, var(--color-cream) 24%, var(--color-white) 24%, var(--color-white) 28%, var(--color-cream) 28%, var(--color-cream) 36%, var(--color-white) 36%, var(--color-white) 40%, transparent 40%, transparent),
    radial-gradient(circle at 0 150%, var(--color-cream) 24%, var(--color-white) 24%, var(--color-white) 28%, var(--color-cream) 28%, var(--color-cream) 36%, var(--color-white) 36%, var(--color-white) 40%, transparent 40%, transparent),
    radial-gradient(circle at 50% 100%, var(--color-white) 10%, var(--color-cream) 10%, var(--color-cream) 23%, var(--color-white) 23%, var(--color-white) 30%, var(--color-cream) 30%, var(--color-cream) 43%, var(--color-white) 43%, var(--color-white) 50%, var(--color-cream) 50%, var(--color-cream) 63%, var(--color-white) 63%, var(--color-white) 71%, transparent 71%, transparent);
  background-size: 84px 144px;
  background-position: 0 0, 42px 0, 0 0;
}

/* ============================================
   OVERLAYS
   ============================================ */
.overlay {
  position: relative;
}

.overlay::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

.overlay-primary::before {
  background-color: rgba(139, 21, 56, 0.8);
}

.overlay-gold::before {
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.8) 0%, rgba(139, 21, 56, 0.8) 100%);
}

.overlay-gradient::before {
  background: linear-gradient(135deg, rgba(139, 21, 56, 0.9) 0%, rgba(44, 44, 44, 0.9) 100%);
}

.overlay > * {
  position: relative;
  z-index: 2;
}

/* ============================================
   BORDERS & DIVIDERS
   ============================================ */
.border-gold {
  border: 2px solid var(--color-gold);
}

.border-top-gold {
  border-top: 2px solid var(--color-gold);
}

.border-bottom-gold {
  border-bottom: 2px solid var(--color-gold);
}

.divider-gold {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  margin: var(--spacing-md) 0;
}

.divider-gold-thick {
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  margin: var(--spacing-lg) 0;
}

/* ============================================
   ACCENT ELEMENTS
   ============================================ */
.accent-corner {
  position: relative;
}

.accent-corner::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  width: 30px;
  height: 30px;
  border-top: 3px solid var(--color-gold);
  border-left: 3px solid var(--color-gold);
}

.accent-corner::after {
  content: '';
  position: absolute;
  bottom: -10px;
  right: -10px;
  width: 30px;
  height: 30px;
  border-bottom: 3px solid var(--color-gold);
  border-right: 3px solid var(--color-gold);
}

/* ============================================
   SHADOW UTILITIES
   ============================================ */
.shadow-sm {
  box-shadow: var(--shadow-sm);
}

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

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

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

.shadow-gold {
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.3);
}

.shadow-primary {
  box-shadow: 0 4px 20px rgba(139, 21, 56, 0.3);
}

/* ============================================
   HOVER EFFECTS
   ============================================ */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.hover-gold-border {
  border: 2px solid transparent;
  transition: border-color var(--transition-base);
}

.hover-gold-border:hover {
  border-color: var(--color-gold);
}

.hover-scale {
  transition: transform var(--transition-base);
}

.hover-scale:hover {
  transform: scale(1.05);
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
  .bg-pattern-subtle,
  .bg-pattern-luxury {
    background-size: 60px 105px;
  }
}