/* ============================================
   SILKY FUSION — Animations & Parallax
   ============================================ */

/* === Keyframes === */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

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

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

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

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

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

@keyframes textReveal {
    from {
        clip-path: inset(0 100% 0 0);
        opacity: 0;
    }
    to {
        clip-path: inset(0 0 0 0);
        opacity: 1;
    }
}

@keyframes lineGrow {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

@keyframes rotateIn {
    from { opacity: 0; transform: rotate(-10deg) scale(0.9); }
    to { opacity: 1; transform: rotate(0) scale(1); }
}

@keyframes bounceIn {
    0% { opacity: 0; transform: scale(0.3); }
    50% { transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { opacity: 1; transform: scale(1); }
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

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

/* === Scroll Animation Classes === */
.animate-on-scroll {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
}

.animate-fade-up {
    transform: translateY(50px);
}
.animate-fade-up.visible {
    transform: translateY(0);
}

.animate-fade-down {
    transform: translateY(-50px);
}
.animate-fade-down.visible {
    transform: translateY(0);
}

.animate-fade-left {
    transform: translateX(-50px);
}
.animate-fade-left.visible {
    transform: translateX(0);
}

.animate-fade-right {
    transform: translateX(50px);
}
.animate-fade-right.visible {
    transform: translateX(0);
}

.animate-scale {
    transform: scale(0.85);
}
.animate-scale.visible {
    transform: scale(1);
}

.animate-rotate {
    transform: rotate(-5deg) scale(0.95);
}
.animate-rotate.visible {
    transform: rotate(0) scale(1);
}

/* Stagger children animation */
.stagger-children .animate-on-scroll:nth-child(1) { transition-delay: 0.1s; }
.stagger-children .animate-on-scroll:nth-child(2) { transition-delay: 0.2s; }
.stagger-children .animate-on-scroll:nth-child(3) { transition-delay: 0.3s; }
.stagger-children .animate-on-scroll:nth-child(4) { transition-delay: 0.4s; }
.stagger-children .animate-on-scroll:nth-child(5) { transition-delay: 0.5s; }
.stagger-children .animate-on-scroll:nth-child(6) { transition-delay: 0.6s; }

/* === Parallax Layers === */
.parallax-section {
    position: relative;
    overflow: hidden;
}

.parallax-bg {
    position: absolute;
    inset: -20% 0;
    background-size: cover;
    background-position: center;
    will-change: transform;
    z-index: 0;
}

.parallax-content {
    position: relative;
    z-index: 1;
}

.parallax-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.5) 100%);
    z-index: 0;
}

/* === Hero Animations === */
.hero-title {
    animation: fadeInUp 1s ease 0.3s both;
}

.hero-subtitle {
    animation: fadeInUp 1s ease 0.5s both;
}

.hero-cta {
    animation: fadeInUp 1s ease 0.7s both;
}

.hero-text-line {
    overflow: hidden;
}

.hero-text-line span {
    display: inline-block;
    animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
}

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

.hover-lift:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.hover-glow {
    transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
    box-shadow: var(--shadow-glow);
}

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

.hover-scale:hover {
    transform: scale(1.03);
}

/* Image reveal on scroll */
.image-reveal {
    position: relative;
    overflow: hidden;
}

.image-reveal::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-secondary);
    transform: scaleX(1);
    transform-origin: right;
    transition: transform 1s cubic-bezier(0.85, 0, 0.15, 1);
}

.image-reveal.visible::after {
    transform: scaleX(0);
}

/* Counter animation placeholder class */
.counter-animate {
    font-variant-numeric: tabular-nums;
}

/* Marquee for text */
.marquee-container {
    overflow: hidden;
    white-space: nowrap;
}

.marquee-track {
    display: inline-flex;
    animation: marquee 30s linear infinite;
}

.marquee-item {
    padding: 0 var(--space-3xl);
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    color: rgba(255,255,255,0.08);
    text-transform: uppercase;
    letter-spacing: 8px;
}

/* Page transition */
.page-transition {
    position: fixed;
    inset: 0;
    background: var(--color-primary);
    z-index: var(--z-max);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.5s cubic-bezier(0.85, 0, 0.15, 1);
}

.page-transition.active {
    transform: scaleY(1);
    transform-origin: top;
}

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--color-light-gray) 25%, var(--color-cream) 50%, var(--color-light-gray) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .animate-on-scroll {
        opacity: 1;
        transform: none;
    }
}