/**
 * FLAME & CO. — Animations & keyframes
 * Loader, burger, steam, bulles, sauce, boutons, cartes 3D
 */

/* ═══════════════════════════════════════
   KEYFRAMES
   ═══════════════════════════════════════ */

/* Ingrédients qui tombent dans le burger */
@keyframes ingredientFall {
    0% {
        opacity: 0;
        transform: translateY(-200px) rotate(-15deg);
    }
    60% {
        opacity: 1;
        transform: translateY(10px) rotate(5deg);
    }
    80% {
        transform: translateY(-8px) rotate(-2deg);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotate(0deg);
    }
}

/* Chute du chapeau de burger */
@keyframes burgerBounce {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(-120px) rotate(-5deg);
    }
    50% {
        opacity: 1;
        transform: translateX(-50%) translateY(8px) rotate(2deg);
    }
    70% {
        transform: translateX(-50%) translateY(-6px) rotate(-1deg);
    }
    85% {
        transform: translateX(-50%) translateY(3px) rotate(0.5deg);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0) rotate(0deg);
    }
}

/* Vapeur qui monte — sections chaudes */
@keyframes steamRise {
    0% {
        opacity: 0;
        transform: translateY(0) scale(1);
    }
    20% {
        opacity: 0.6;
    }
    100% {
        opacity: 0;
        transform: translateY(-120px) scale(2.5);
    }
}

/* Bulles qui montent — section boissons */
@keyframes bubbleRise {
    0% {
        opacity: 0;
        transform: translateY(0) scale(0.5);
    }
    10% {
        opacity: 0.7;
    }
    90% {
        opacity: 0.4;
    }
    100% {
        opacity: 0;
        transform: translateY(-100vh) scale(1.2);
    }
}

/* Versement de sauce entre sections */
@keyframes saucePour {
    0% {
        height: 0;
        opacity: 0;
    }
    15% {
        opacity: 1;
    }
    70% {
        height: 60vh;
        opacity: 1;
    }
    100% {
        height: 65vh;
        opacity: 0;
    }
}

/* Flaque de sauce au sol */
@keyframes saucePool {
    0% {
        opacity: 0;
        transform: translateX(-50%) scale(0);
    }
    40% {
        opacity: 0;
        transform: translateX(-50%) scale(0);
    }
    60% {
        opacity: 0.8;
        transform: translateX(-50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) scale(1.3);
    }
}

/* Pulsation glow boutons */
@keyframes btnGlowPulse {
    0%, 100% {
        box-shadow: 0 4px 20px rgba(230, 57, 70, 0.3);
    }
    50% {
        box-shadow: 0 8px 40px rgba(247, 127, 0, 0.5), 0 0 20px rgba(255, 214, 10, 0.3);
    }
}

/* Lift 3D carte au survol */
@keyframes cardLift3D {
    0% {
        transform: translateY(0) rotateX(0) rotateY(0);
    }
    100% {
        transform: translateY(-16px) rotateX(2deg) rotateY(-2deg);
    }
}

/* Barre de progression loader */
@keyframes loaderProgress {
    0%   { width: 0%; }
    20%  { width: 15%; }
    50%  { width: 55%; }
    80%  { width: 85%; }
    100% { width: 100%; }
}

/* Fade out loader */
@keyframes loaderFadeOut {
    0%   { opacity: 1; }
    100% { opacity: 0; visibility: hidden; }
}

/* Steam sur image produit */
@keyframes cardSteamRise {
    0% {
        opacity: 0;
        transform: translateY(0) scale(1);
    }
    30% {
        opacity: 0.8;
    }
    100% {
        opacity: 0;
        transform: translateY(-30px) scale(1.8);
    }
}

/* Shake panier quand ajout */
@keyframes cartShake {
    0%, 100% { transform: scale(1); }
    25%      { transform: scale(1.15); }
    50%      { transform: scale(0.95); }
    75%      { transform: scale(1.05); }
}

/* ═══════════════════════════════════════
   APPLICATIONS CSS (fallback sans GSAP)
   ═══════════════════════════════════════ */

/* Loader — fallback CSS sans GSAP */
#page-loader:not(.gsap-ready) #loader-lettuce {
    animation: loaderDropLettuce 0.65s cubic-bezier(0.22, 1, 0.36, 1) 0.2s forwards;
}

#page-loader:not(.gsap-ready) #loader-tomato {
    animation: loaderDropTomato 0.55s cubic-bezier(0.22, 1, 0.36, 1) 0.55s forwards;
}

#page-loader:not(.gsap-ready) #loader-cheese {
    animation: loaderDropCheese 0.5s cubic-bezier(0.22, 1, 0.36, 1) 0.9s forwards;
}

#page-loader:not(.gsap-ready) #loader-bun-top {
    animation: loaderDropBun 0.75s cubic-bezier(0.22, 1, 0.36, 1) 1.25s forwards;
}

#page-loader:not(.gsap-ready) .loader-progress-bar {
    animation: loaderProgress 2.2s cubic-bezier(0.4, 0, 0.2, 1) 0.3s forwards;
}

@keyframes loaderDropLettuce {
    from { opacity: 0; transform: translateX(-50%) translateY(-280px) rotate(-15deg) scale(0.9); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0) rotate(0) scale(1); }
}

@keyframes loaderDropTomato {
    from { opacity: 0; transform: translateX(-50%) translateY(-280px) rotate(-15deg) scale(0.9); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0) rotate(0) scale(1); }
}

@keyframes loaderDropCheese {
    from { opacity: 0; transform: translateX(-50%) translateY(-280px) rotate(-15deg) scale(0.9); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0) rotate(0) scale(1); }
}

@keyframes loaderDropBun {
    from { opacity: 0; transform: translateX(-50%) translateY(-380px) rotate(8deg) scale(0.95); }
    60%  { transform: translateX(-50%) translateY(8px) rotate(0) scale(1.02); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0) rotate(0) scale(1); }
}

/* Steam particles — sections menu */
.steam-particle {
    animation: steamRise 4s ease-out infinite;
    animation-delay: calc(var(--si, 0) * 0.5s);
}

/* Card steam sur produits chauds */
.card-steam span:nth-child(1) {
    animation: cardSteamRise 2s ease-out infinite;
    animation-delay: 0s;
}

.card-steam span:nth-child(2) {
    animation: cardSteamRise 2s ease-out infinite;
    animation-delay: 0.6s;
}

.card-steam span:nth-child(3) {
    animation: cardSteamRise 2s ease-out infinite;
    animation-delay: 1.2s;
}

/* Bulles CSS fallback */
.bubble {
    animation: bubbleRise var(--bubble-duration, 6s) ease-in infinite;
    animation-delay: var(--bubble-delay, 0s);
}

/* Sauce pour — déclenché par JS */
#sauce-pour.is-pouring .sauce-stream {
    animation: saucePour 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

#sauce-pour.is-pouring .sauce-pool {
    animation: saucePool 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Bouton glow pulse au hover (CSS fallback) */
.btn-glow:hover {
    animation: btnGlowPulse 1.5s ease-in-out infinite;
}

/* Carte ajoutée — shake compteur */
.cart-count.is-bump {
    animation: cartShake 0.4s ease;
}

/* ═══════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════ */
@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;
    }

    .steam-particle,
    .card-steam span,
    .bubble {
        animation: none !important;
        opacity: 0 !important;
    }

    #sauce-pour.is-pouring .sauce-stream,
    #sauce-pour.is-pouring .sauce-pool {
        animation: none !important;
        opacity: 0 !important;
    }

    .hero-video,
    .hero-video-bg {
        animation: none !important;
    }

    .hero-video {
        display: none;
    }

    .hero-video-overlay {
        background: rgba(8, 8, 8, 0.92) !important;
    }

    .hero-reveal {
        opacity: 1 !important;
        transform: none !important;
    }

    #page-loader:not(.gsap-ready) .loader-drop {
        animation: none !important;
        opacity: 1 !important;
        transform: translateX(-50%) !important;
    }

    #page-loader:not(.gsap-ready) .loader-progress-bar {
        animation: none !important;
        width: 100% !important;
    }

    .btn-glow:hover {
        animation: none !important;
    }
}