/* ============================================
   FAO Properties - Premium Animation System
   Consistent, Performant & Mobile-Optimized
   ============================================ */

/* ============================================
   CSS Custom Properties for Animations
   Central control for consistency
   ============================================ */
:root {
    /* Animation Durations - Consistent across site (0.6s - 1s range) */
    --anim-duration-fast: 0.4s;
    --anim-duration-medium: 0.7s;
    --anim-duration-slow: 1s;
    
    /* Easing Functions - Smooth, professional feel */
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    
    /* Animation Distances */
    --anim-distance-sm: 20px;
    --anim-distance-md: 40px;
    --anim-distance-lg: 60px;
    
    /* Accent Line Animation - CONSISTENT: left-to-right, same speed */
    --accent-line-duration: 0.8s;
    --accent-line-width: 35px;
}

/* ============================================
   Reduced Motion - Accessibility First
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    /* Disable hero zoom for reduced motion */
    .hero-image-bg {
        animation: none !important;
    }
    
    /* Disable counter spin for reduced motion */
    .stat-number.counting {
        animation: none !important;
    }
    
    /* Disable hero entrance animations */
    .hero-entrance {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
}

/* ============================================
   Section Reveal Animations
   Triggered on scroll - consistent across all pages
   IMPORTANT: Elements are visible by default, only hidden when JS loads
   ============================================ */

/* Base state - VISIBLE by default for no-JS fallback */
.animate-on-scroll {
    opacity: 1;
    transform: translateY(0);
    transition: 
        opacity var(--anim-duration-medium) var(--ease-smooth),
        transform var(--anim-duration-medium) var(--ease-smooth);
    will-change: opacity, transform;
}

/* JS will add this class to hide elements before animating */
.animate-on-scroll.will-animate {
    opacity: 0;
    transform: translateY(var(--anim-distance-sm));
}

/* Visible state - after scroll trigger */
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays for child elements */
.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }
.animate-on-scroll.delay-5 { transition-delay: 0.5s; }

/* ============================================
   Section Header Animations
   Consistent bottom-to-top reveal
   ============================================ */

/* VISIBLE by default */
.section-header {
    opacity: 1;
    transform: translateY(0);
    transition: 
        opacity var(--anim-duration-medium) var(--ease-smooth),
        transform var(--anim-duration-medium) var(--ease-smooth);
}

/* JS will add this class to hide before animating */
.section-header.will-animate {
    opacity: 0;
    transform: translateY(var(--anim-distance-sm));
}

.section-header.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Accent Line Animations
   CONSISTENT: Always left-to-right, same speed (0.8s)
   ============================================ */

/* Animated section badge line */
.section-badge-animated::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: width var(--accent-line-duration) var(--ease-out);
}

.section-badge-animated.visible::before,
.section-header.visible .section-badge-animated::before {
    width: var(--accent-line-width);
}

/* Title underline accent */
.title-accent-line {
    display: block;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), transparent);
    margin-top: 15px;
    transition: width var(--accent-line-duration) var(--ease-out);
}

.visible .title-accent-line {
    width: 80px;
}

/* ============================================
   Fade Animations - Keyframes
   ============================================ */

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(var(--anim-distance-md));
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(calc(var(--anim-distance-md) * -1));
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(calc(var(--anim-distance-md) * -1));
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(var(--anim-distance-md));
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ============================================
   Interactive Elements - Hover Effects
   Subtle, consistent interactions
   ============================================ */

/* Primary Button Hover - Consistent across site */
.btn-primary {
    position: relative;
    overflow: hidden;
    transition: 
        transform var(--anim-duration-fast) var(--ease-smooth),
        box-shadow var(--anim-duration-fast) var(--ease-smooth),
        background-color var(--anim-duration-fast) var(--ease-smooth);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

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

.btn-primary:active {
    transform: translateY(-1px);
}

/* Secondary Button Hover */
.btn-secondary {
    transition: 
        background-color var(--anim-duration-fast) var(--ease-smooth),
        color var(--anim-duration-fast) var(--ease-smooth),
        border-color var(--anim-duration-fast) var(--ease-smooth),
        transform var(--anim-duration-fast) var(--ease-smooth);
}

.btn-secondary:hover {
    transform: translateY(-2px);
}

/* ============================================
   Card Hover Effects
   Subtle lift and shadow on hover
   ============================================ */

.property-card,
.service-card,
.advisory-card,
.invest-card,
.team-card {
    transition: 
        transform var(--anim-duration-fast) var(--ease-smooth),
        box-shadow var(--anim-duration-fast) var(--ease-smooth);
    will-change: transform;
}

.property-card:hover,
.service-card:hover,
.advisory-card:hover,
.invest-card:hover,
.team-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    z-index: 10;
}

/* Card Image Zoom - Consistent */
.property-card .property-image img,
.service-card .service-image img,
.team-card .team-image img {
    transition: transform var(--anim-duration-medium) var(--ease-smooth);
}

.property-card:hover .property-image img,
.service-card:hover .service-image img,
.team-card:hover .team-image img {
    transform: scale(1.05);
}

/* ============================================
   Link Hover Animations
   Consistent underline animation
   ============================================ */

.animated-link {
    position: relative;
}

.animated-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: width var(--anim-duration-fast) var(--ease-smooth);
}

.animated-link:hover::after,
.animated-link.active::after {
    width: 100%;
}

/* ============================================
   Scroll Reveal Classes
   For use with IntersectionObserver
   VISIBLE by default - JS adds .will-animate then .visible
   ============================================ */

.scroll-fade-in {
    opacity: 1;
    transition: opacity var(--anim-duration-medium) var(--ease-smooth);
}

.scroll-fade-in.will-animate {
    opacity: 0;
}

.scroll-fade-in.visible {
    opacity: 1;
}

.scroll-slide-up {
    opacity: 1;
    transform: translateY(0);
    transition: 
        opacity var(--anim-duration-medium) var(--ease-smooth),
        transform var(--anim-duration-medium) var(--ease-smooth);
}

.scroll-slide-up.will-animate {
    opacity: 0;
    transform: translateY(var(--anim-distance-md));
}

.scroll-slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.scroll-slide-left {
    opacity: 1;
    transform: translateX(0);
    transition: 
        opacity var(--anim-duration-medium) var(--ease-smooth),
        transform var(--anim-duration-medium) var(--ease-smooth);
}

.scroll-slide-left.will-animate {
    opacity: 0;
    transform: translateX(var(--anim-distance-md));
}

.scroll-slide-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.scroll-slide-right {
    opacity: 1;
    transform: translateX(0);
    transition: 
        opacity var(--anim-duration-medium) var(--ease-smooth),
        transform var(--anim-duration-medium) var(--ease-smooth);
}

.scroll-slide-right.will-animate {
    opacity: 0;
    transform: translateX(calc(var(--anim-distance-md) * -1));
}

.scroll-slide-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scroll-scale {
    opacity: 1;
    transform: scale(1);
    transition: 
        opacity var(--anim-duration-medium) var(--ease-smooth),
        transform var(--anim-duration-medium) var(--ease-smooth);
}

.scroll-scale.will-animate {
    opacity: 0;
    transform: scale(0.95);
}

.scroll-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* ============================================
   Hero Animations
   Initial page load animations
   VISIBLE by default - JS handles animation
   ============================================ */

/* Hero Background Zoom-In Animation */
@keyframes heroZoomIn {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.05);
    }
}

.hero-image-bg {
    animation: heroZoomIn 20s ease-out forwards;
}

/* Hero Content Entrance Animations */
.hero-entrance {
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 1s var(--ease-smooth) forwards;
}

/* Use nth-child for delay timing OR inline style delays will override */
.hero-entrance:nth-child(1) { animation-delay: 0.3s; }
.hero-entrance:nth-child(2) { animation-delay: 0.5s; }
.hero-entrance:nth-child(3) { animation-delay: 0.7s; }
.hero-entrance:nth-child(4) { animation-delay: 0.9s; }
.hero-entrance:nth-child(5) { animation-delay: 1.1s; }

/* Counter Number Spin Animation */
@keyframes counterSpin {
    0% {
        opacity: 0;
        transform: rotateX(90deg);
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
        transform: rotateX(0deg);
    }
}

.stat-number {
    display: inline-block;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.stat-number.counting {
    animation: counterSpin 0.6s var(--ease-smooth);
}

/* ============================================
   Loading Animations
   ============================================ */

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Skeleton loading animation */
.skeleton::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    background-image: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0,
        rgba(255, 255, 255, 0.05) 20%,
        rgba(255, 255, 255, 0.1) 60%,
        rgba(255, 255, 255, 0)
    );
    animation: shimmer 2s infinite;
}

/* ============================================
   Magnetic Button Effect
   ============================================ */

.magnetic-btn {
    position: relative;
    transition: transform var(--anim-duration-fast) var(--ease-smooth);
}

/* ============================================
   Counter Animation Helper
   ============================================ */

.counter-animate {
    display: inline-block;
    transition: transform var(--anim-duration-fast) var(--ease-bounce);
}

/* ============================================
   Image Reveal Animation
   ============================================ */

.image-reveal {
    position: relative;
    overflow: hidden;
}

.image-reveal::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-dark);
    transform: translateX(-101%);
    transition: transform var(--anim-duration-slow) var(--ease-smooth);
}

.image-reveal.visible::after {
    transform: translateX(101%);
}

/* ============================================
   MOBILE OPTIMIZATIONS
   Reduced animations for better performance (50% reduction)
   ============================================ */

@media (max-width: 768px) {
    :root {
        /* Faster animations on mobile - 50% reduction */
        --anim-duration-fast: 0.25s;
        --anim-duration-medium: 0.4s;
        --anim-duration-slow: 0.6s;
        
        /* Smaller distances on mobile - 50% reduction */
        --anim-distance-sm: 10px;
        --anim-distance-md: 20px;
        --anim-distance-lg: 30px;
    }
    
    /* Disable 3D transforms on mobile for performance */
    .property-card:hover,
    .service-card:hover,
    .advisory-card:hover,
    .invest-card:hover,
    .team-card:hover {
        transform: translateY(-4px);
    }
    
    /* Simpler hover effects on mobile */
    .property-card .property-image img,
    .service-card .service-image img,
    .team-card .team-image img {
        transition: none;
    }
    
    .property-card:hover .property-image img,
    .service-card:hover .service-image img,
    .team-card:hover .team-image img {
        transform: none;
    }
    
    /* Disable magnetic button on touch devices */
    .magnetic-btn {
        transform: none !important;
    }
    
    /* Simpler parallax on mobile */
    .parallax-bg {
        transform: none !important;
    }
    
    /* Disable image reveal animation on mobile */
    .image-reveal::after {
        display: none;
    }
    
    /* Disable hero zoom animation on mobile for performance */
    .hero-image-bg {
        animation: none !important;
    }
    
    /* Disable counter spin on mobile for performance */
    .stat-number.counting {
        animation: none !important;
    }
}

/* Touch devices - disable hover animations completely */
@media (hover: none) and (pointer: coarse) {
    .property-card:hover,
    .service-card:hover,
    .advisory-card:hover,
    .invest-card:hover,
    .team-card:hover {
        transform: none;
        box-shadow: none;
    }
    
    .btn-primary:hover {
        transform: none;
    }
    
    .btn-primary:hover::before {
        left: -100%;
    }
    
    .property-card:hover .property-image img,
    .service-card:hover .service-image img,
    .team-card:hover .team-image img {
        transform: none;
    }
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   GPU acceleration hints
   ============================================ */

.animate-on-scroll,
.scroll-fade-in,
.scroll-slide-up,
.scroll-slide-left,
.scroll-slide-right,
.scroll-scale {
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Disable animations during page load */
.preloading * {
    animation: none !important;
    transition: none !important;
}

/* ============================================
   Backward Compatibility
   Support for existing classes
   VISIBLE by default
   ============================================ */

.reveal-on-scroll {
    opacity: 1;
    transform: translateY(0);
    transition: 
        opacity var(--anim-duration-medium) var(--ease-smooth),
        transform var(--anim-duration-medium) var(--ease-smooth);
}

.reveal-on-scroll.will-animate {
    opacity: 0;
    transform: translateY(var(--anim-distance-sm));
}

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

/* Custom animation system - AOS not used */

/* ============================================
   Focus States for Accessibility
   ============================================ */

.btn:focus-visible,
.nav-link:focus-visible,
a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

/* ============================================
   Print Styles - Disable all animations
   ============================================ */

@media print {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
}