/* Styles pour l'animation d'introduction inspirée du site Astroshock */

/* Style initial pour s'assurer que le contenu est toujours visible */
body {
    visibility: visible !important;
}

/* Overlay d'animation qui couvre tout l'écran */
.intro-animation-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;    transition: opacity 0.4s ease-out;
    will-change: opacity;
}

/* Effet de fondu pour faire disparaître l'overlay */
.intro-animation-overlay.fade-out {
    opacity: 0;
}

/* Conteneur pour le texte d'animation */
.intro-text-container {
    text-align: center;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.4s ease-out,
                opacity 0.4s ease-out;
    will-change: transform, opacity;
}

/* Animation de sortie pour le conteneur de texte */
.intro-text-container.animate-out {
    transform: translateY(-20px);
    opacity: 0;
}

/* Style pour le texte principal */
.intro-main-text {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(20px);
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, opacity;
}

/* Style pour le sous-texte */
.intro-sub-text {
    font-size: 1.5rem;
    color: var(--text-color);
    opacity: 0;
    transform: translateY(20px);
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, opacity;
}

/* Animation d'entrée pour les textes */
.intro-main-text.animate-in,
.intro-sub-text.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Améliorations pour les animations existantes */
.animate-fade-in,
.animate-slide-up,
.animate-slide-up-delay,
.animate-fade-in-delay,
.animate-fade-in-up,
.animate-cards {
    opacity: 0;
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
    will-change: opacity, transform;
}

/* Styles initiaux pour les éléments animés */
.animate-slide-up,
.animate-slide-up-delay {
    transform: translateY(20px);
}

.animate-fade-in-up {
    transform: translateY(20px);
}

.animate-fade-in.animated {
    opacity: 1;
}

.animate-slide-up.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-slide-up-delay.animated {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.animate-fade-in-delay.animated {
    opacity: 1;
    transition-delay: 0.4s;
}

.animate-fade-in-up.animated {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}

.animate-cards.animated {
    opacity: 1;
    transition-delay: 0.8s;
}

/* Animation pour les éléments de la page d'accueil */
.hero h1, .hero h2 {
    transform: translateY(20px);
}

.hero-content {
    opacity: 0;
    transition: opacity 1s ease;
}

.hero-content.animated {
    opacity: 1;
}

/* Transitions de page */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                visibility 0.3s;
    will-change: transform, opacity;
    pointer-events: none;
}

.page-transition.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

/* Animation de fade pour le contenu */
.fade-content {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-content.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Animation de slide pour les sections */
.slide-in {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

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

/* Animation de zoom pour les images */
.zoom-in {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

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

/* Optimisations pour les appareils mobiles */
@media (prefers-reduced-motion: reduce) {
    .page-transition,
    .intro-animation-overlay,
    .intro-text-container,
    .intro-main-text,
    .intro-sub-text,
    .animate-fade-in,
    .animate-slide-up,
    .animate-slide-up-delay,
    .animate-fade-in-up,
    .zoom-in,
    .slide-in {
        transition: none !important;
        animation: none !important;
        transform: none !important;
        opacity: 1 !important;
    }
}

@media (max-width: 768px) {
    .intro-main-text {
        font-size: 2rem;
    }
    
    .intro-sub-text {
        font-size: 1.2rem;
    }
    
    .animate-slide-up,
    .animate-slide-up-delay {
        transform: translateY(20px);
    }
}