/* ============================================
   Premium Enhancements - Professional Design
   ============================================
   Advanced animations, effects, and premium UI components
   Version: 2.0
   ============================================ */

/* ============================================
   1. Smooth Scroll
   ============================================ */
html {
    scroll-behavior: smooth;
}

/* ============================================
   2. Loading Animations
   ============================================ */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.loading-skeleton {
    background: linear-gradient(90deg, var(--color-bg-card) 25%, var(--color-bg-card-hover) 50%, var(--color-bg-card) 75%);
    background-size: 2000px 100%;
    animation: shimmer 2s infinite;
}

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

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(212, 175, 55, 0.2);
    border-top-color: var(--color-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ============================================
   3. Scroll Animations
   ============================================ */
.fade-in-on-scroll {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   4. Premium Card Hover Effects
   ============================================ */
.premium-card {
    position: relative;
    overflow: hidden;
}

.premium-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

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

/* ============================================
   5. Glass Morphism Effect
   ============================================ */
.glass-effect {
    background: rgba(17, 17, 17, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   6. Premium Gradient Text
   ============================================ */
.gradient-text {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   7. Premium Button Pulse Effect
   ============================================ */
.btn-pulse {
    position: relative;
    overflow: hidden;
}

.btn-pulse::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-pulse:hover::before {
    width: 400px;
    height: 400px;
}

/* ============================================
   8. Premium Image Zoom Effect
   ============================================ */
.image-zoom-container {
    overflow: hidden;
    position: relative;
}

.image-zoom-container img {
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}

.image-zoom-container:hover img {
    transform: scale(1.15);
}

/* ============================================
   9. Premium Border Glow
   ============================================ */
.border-glow {
    position: relative;
}

.border-glow::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.border-glow:hover::before {
    opacity: 1;
}

/* ============================================
   10. Premium Shadow Effects
   ============================================ */
.shadow-gold-sm {
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.2);
}

.shadow-gold-md {
    box-shadow: 0 4px 16px rgba(212, 175, 55, 0.3);
}

.shadow-gold-lg {
    box-shadow: 0 8px 32px rgba(212, 175, 55, 0.4);
}

/* ============================================
   11. Premium Hover Lift
   ============================================ */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    will-change: transform;
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   12. Premium Fade In Animation
   ============================================ */
@keyframes premiumFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.premium-fade-in {
    animation: premiumFadeIn 0.6s ease forwards;
}

/* ============================================
   13. Premium Slide In Animation
   ============================================ */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.6s ease forwards;
}

/* ============================================
   14. Premium Scale Animation
   ============================================ */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.scale-in {
    animation: scaleIn 0.5s ease forwards;
}

/* ============================================
   15. Premium Ripple Effect
   ============================================ */
.ripple-effect {
    position: relative;
    overflow: hidden;
}

.ripple-effect::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple-effect:active::after {
    width: 300px;
    height: 300px;
}

/* ============================================
   16. Premium Glow Effect
   ============================================ */
.glow-effect {
    position: relative;
}

.glow-effect::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    opacity: 0;
    filter: blur(10px);
    transition: opacity 0.3s ease;
    z-index: -1;
}

.glow-effect:hover::before {
    opacity: 0.5;
}

/* ============================================
   17. Premium Text Shadow
   ============================================ */
.text-glow {
    text-shadow: 0 0 10px var(--color-gold-glow), 0 0 20px var(--color-gold-glow);
}

/* ============================================
   18. Premium Section Divider
   ============================================ */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    margin: 60px 0;
    opacity: 0.3;
}

/* ============================================
   19. Premium Focus States
   ============================================ */
.premium-focus:focus {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-gold-glow);
}

/* ============================================
   20. Premium Backdrop
   ============================================ */
.premium-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 9998;
}

/* ============================================
   21. Premium Modal
   ============================================ */
.premium-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 9999;
    opacity: 0;
    transition: all 0.3s ease;
    will-change: transform, opacity;
}

.premium-modal.active {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* ============================================
   22. Premium Tooltip
   ============================================ */
.premium-tooltip {
    position: relative;
}

.premium-tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 12px;
    background: var(--color-bg-card);
    color: var(--color-text-white);
    border: 1px solid var(--color-gold);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1000;
}

.premium-tooltip:hover::after {
    opacity: 1;
}

/* ============================================
   23. Responsive Enhancements
   ============================================ */
@media (max-width: 768px) {
    .premium-modal {
        width: 90%;
        max-width: 500px;
    }
    
    .hover-lift:hover {
        transform: translateY(-4px);
    }
}

/* ============================================
   24. Reduced Motion Support
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .premium-fade-in,
    .slide-in-right,
    .scale-in,
    .loading-skeleton,
    .loading-spinner {
        animation: none;
    }
    
    .hover-lift:hover {
        transform: none;
    }
    
    .image-zoom-container:hover img {
        transform: none;
    }
}

/* ============================================
   25. Print Styles
   ============================================ */
@media print {
    .premium-backdrop,
    .premium-modal,
    .premium-tooltip::after {
        display: none;
    }
}