/* ==========================================================================
   M'Burger - Animations
   CSS animations + Classes for GSAP
   ========================================================================== */

/* ==========================================================================
   KEYFRAMES
   ========================================================================== */

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes floatSlow {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-10px) rotate(2deg);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

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

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

@keyframes slideInFromLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInFromRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

@keyframes blob {
    0%, 100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
}

/* ==========================================================================
   CSS ANIMATION CLASSES
   ========================================================================== */

.animate-fadeIn {
    animation: fadeIn 0.6s var(--ease-out-expo) forwards;
}

.animate-fadeInUp {
    animation: fadeInUp 0.7s var(--ease-out-expo) forwards;
}

.animate-fadeInDown {
    animation: fadeInDown 0.7s var(--ease-out-expo) forwards;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.7s var(--ease-out-expo) forwards;
}

.animate-fadeInRight {
    animation: fadeInRight 0.7s var(--ease-out-expo) forwards;
}

.animate-scaleIn {
    animation: scaleIn 0.5s var(--ease-out-expo) forwards;
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

.animate-floatSlow {
    animation: floatSlow 6s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.animate-blob {
    animation: blob 8s ease-in-out infinite;
}

/* Animation delays */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }
.delay-800 { animation-delay: 0.8s; }

/* ==========================================================================
   GSAP SCROLL TRIGGER CLASSES
   Elements with these classes start invisible and are animated by JS
   ========================================================================== */

/* Initial state for scroll-triggered animations */
[data-animate] {
    opacity: 0;
}

[data-animate="fade-up"] {
    transform: translateY(60px);
}

[data-animate="fade-down"] {
    transform: translateY(-60px);
}

[data-animate="fade-left"] {
    transform: translateX(-60px);
}

[data-animate="fade-right"] {
    transform: translateX(60px);
}

[data-animate="scale"] {
    transform: scale(0.85);
}

[data-animate="rotate"] {
    transform: rotate(-10deg) scale(0.9);
}

/* When animated (GSAP adds this) */
[data-animate].is-animated {
    opacity: 1;
    transform: none;
}

/* Stagger children */
[data-stagger] > * {
    opacity: 0;
    transform: translateY(30px);
}

[data-stagger].is-animated > * {
    opacity: 1;
    transform: none;
}

/* ==========================================================================
   PARALLAX CLASSES
   ========================================================================== */

.parallax-layer {
    will-change: transform;
}

.parallax-slow {
    --parallax-speed: 0.3;
}

.parallax-medium {
    --parallax-speed: 0.5;
}

.parallax-fast {
    --parallax-speed: 0.8;
}

/* ==========================================================================
   MARQUEE / INFINITE SCROLL
   ========================================================================== */

.marquee {
    display: flex;
    overflow: hidden;
    user-select: none;
}

.marquee__content {
    display: flex;
    animation: marquee 30s linear infinite;
}

.marquee__content--reverse {
    animation-direction: reverse;
}

.marquee:hover .marquee__content {
    animation-play-state: paused;
}

/* ==========================================================================
   HERO SPECIFIC ANIMATIONS
   ========================================================================== */

.hero-title-line {
    overflow: hidden;
    display: block;
}

.hero-title-line span {
    display: block;
    transform: translateY(100%);
}

.hero-title-line.is-animated span {
    transform: translateY(0);
    transition: transform 0.8s var(--ease-out-expo);
}

/* Video background zoom */
.hero-video-bg {
    transform: scale(1.1);
    transition: transform 10s ease-out;
}

.hero-video-bg.is-loaded {
    transform: scale(1);
}

/* ==========================================================================
   SCROLL PROGRESS INDICATOR
   ========================================================================== */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--mb-taupe), var(--mb-gold));
    z-index: var(--z-max);
    transition: width 0.1s linear;
}

/* ==========================================================================
   CURSOR FOLLOWER (Optional)
   ========================================================================== */

.cursor-follower {
    position: fixed;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--mb-taupe);
    opacity: 0.5;
    pointer-events: none;
    z-index: var(--z-max);
    mix-blend-mode: difference;
    transition: transform 0.15s ease-out, width 0.2s, height 0.2s;
}

.cursor-follower.is-hovering {
    width: 60px;
    height: 60px;
    opacity: 0.3;
}

/* ==========================================================================
   LOADING ANIMATIONS
   ========================================================================== */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--mb-cream-dark) 25%,
        var(--mb-cream) 50%,
        var(--mb-cream-dark) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

/* Page loader */
.page-loader {
    position: fixed;
    inset: 0;
    background-color: var(--mb-cream);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-max);
    transition: opacity 0.5s, visibility 0.5s;
}

.page-loader.is-hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-burger {
    width: 60px;
    height: 60px;
    animation: pulse 1s ease-in-out infinite;
}

/* ==========================================================================
   REVEAL ON SCROLL (CSS fallback)
   ========================================================================== */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}

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

/* Reveal variants */
.reveal--left {
    transform: translateX(-30px);
}

.reveal--left.is-visible {
    transform: translateX(0);
}

.reveal--right {
    transform: translateX(30px);
}

.reveal--right.is-visible {
    transform: translateX(0);
}

.reveal--scale {
    transform: scale(0.95);
}

.reveal--scale.is-visible {
    transform: scale(1);
}

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

/* Image zoom on hover */
.hover-zoom {
    overflow: hidden;
}

.hover-zoom img {
    transition: transform 0.6s var(--ease-out-expo);
}

.hover-zoom:hover img {
    transform: scale(1.08);
}

/* Underline animation */
.hover-underline {
    position: relative;
    display: inline-block;
}

.hover-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: currentColor;
    transition: width 0.3s var(--ease-out-expo);
}

.hover-underline:hover::after {
    width: 100%;
}

/* Tilt effect */
.hover-tilt {
    transition: transform 0.3s var(--ease-out-expo);
}

.hover-tilt:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(-5deg);
}

/* Magnetic effect (needs JS) */
.magnetic {
    transition: transform 0.3s var(--ease-out-expo);
}

/* ==========================================================================
   TRANSITIONS POUR NAVIGATION
   ========================================================================== */

/* Page transition overlay */
.page-transition {
    position: fixed;
    inset: 0;
    background-color: var(--mb-brown);
    transform: translateY(100%);
    z-index: var(--z-max);
    pointer-events: none;
}

.page-transition.is-entering {
    animation: slideInFromBottom 0.5s var(--ease-in-out-quart) forwards;
}

.page-transition.is-leaving {
    animation: slideOutToTop 0.5s var(--ease-in-out-quart) forwards;
}

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

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