/* ============================================
   GLASSMORPHISM UTILITIES
   ============================================ */

.glass {
    background: var(--glass-bg, rgba(255, 255, 255, 0.7));
    backdrop-filter: blur(var(--glass-blur, 20px));
    -webkit-backdrop-filter: blur(var(--glass-blur, 20px));
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.18));
    box-shadow: var(--shadow-glass-md, 0 8px 32px rgba(0, 0, 0, 0.12));
}

.glass-dark {
    background: var(--glass-bg-dark, rgba(15, 23, 42, 0.8));
    backdrop-filter: blur(var(--glass-blur, 20px));
    -webkit-backdrop-filter: blur(var(--glass-blur, 20px));
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-glass-md, 0 8px 32px rgba(0, 0, 0, 0.12));
}

.glass-subtle {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   GRADIENT BACKGROUNDS
   ============================================ */

.gradient-primary {
    background: var(--gradient-hero, linear-gradient(135deg, #1E3A8A 0%, #172554 100%));
}

.gradient-gold {
    background: var(--gradient-gold, linear-gradient(135deg, #D4A853 0%, #E8C97A 100%));
}

.gradient-blue {
    background: linear-gradient(135deg, #3B82F6 0%, #1E3A8A 100%);
}

.gradient-mesh {
    background: 
        radial-gradient(at 40% 20%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 80% 0%, rgba(212, 168, 83, 0.1) 0px, transparent 50%),
        radial-gradient(at 0% 50%, rgba(30, 58, 138, 0.1) 0px, transparent 50%),
        radial-gradient(at 80% 50%, rgba(59, 130, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(212, 168, 83, 0.12) 0px, transparent 50%);
}

/* ============================================
   ENHANCED SHADOWS
   ============================================ */

.shadow-glass-sm { box-shadow: var(--shadow-glass-sm, 0 2px 8px rgba(0, 0, 0, 0.08)); }
.shadow-glass-md { box-shadow: var(--shadow-glass-md, 0 8px 32px rgba(0, 0, 0, 0.12)); }
.shadow-glass-lg { box-shadow: var(--shadow-glass-lg, 0 16px 48px rgba(0, 0, 0, 0.16)); }
.shadow-glow { box-shadow: var(--shadow-glow, 0 0 40px rgba(212, 168, 83, 0.3)); }
.shadow-glow-blue { box-shadow: var(--shadow-glow-blue, 0 0 40px rgba(59, 130, 246, 0.2)); }

/* ============================================
   HOVER EFFECTS
   ============================================ */

.hover-lift {
    transition: var(--transition-smooth, all 0.3s cubic-bezier(0.25, 1, 0.5, 1));
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glass-lg, 0 16px 48px rgba(0, 0, 0, 0.16));
}

.hover-glow {
    transition: var(--transition-smooth, all 0.3s cubic-bezier(0.25, 1, 0.5, 1));
}

.hover-glow:hover {
    box-shadow: var(--shadow-glow, 0 0 40px rgba(212, 168, 83, 0.3));
}

.hover-scale {
    transition: var(--transition-smooth, all 0.3s cubic-bezier(0.25, 1, 0.5, 1));
}

.hover-scale:hover {
    transform: scale(1.02);
}

/* ============================================
   TEXTURE OVERLAYS
   ============================================ */

.noise-overlay::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    mix-blend-mode: overlay;
}

/* ============================================
   BUTTON ENHANCEMENTS
   ============================================ */

.btn-primary {
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth, all 0.3s cubic-bezier(0.25, 1, 0.5, 1));
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow, 0 0 40px rgba(212, 168, 83, 0.3));
}

/* ============================================
   CARD ENHANCEMENTS
   ============================================ */

.card-modern {
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth, all 0.3s cubic-bezier(0.25, 1, 0.5, 1));
}

.card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold, linear-gradient(90deg, #D4A853, #E8C97A));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.card-modern:hover::before {
    transform: scaleX(1);
}

.card-modern:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glass-lg, 0 16px 48px rgba(0, 0, 0, 0.16));
    border-color: var(--color-gold, #D4A853);
}

/* ============================================
   ACCESSIBILITY: REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    .hover-lift,
    .hover-glow,
    .hover-scale,
    .btn-primary,
    .card-modern {
        transition: none;
    }
    
    .hover-lift:hover,
    .hover-glow:hover,
    .hover-scale:hover {
        transform: none;
    }
    
    .btn-primary:hover {
        transform: none;
    }
    
    .card-modern:hover {
        transform: none;
    }
}