/* ===== PSI AFRICA — Animations UX/UI globales ===== */

/* Respect des préférences d'accessibilité */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

html { scroll-behavior: smooth; }

/* ── Apparition au scroll ── */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s cubic-bezier(.25,.7,.3,1), transform .7s cubic-bezier(.25,.7,.3,1);
    will-change: opacity, transform;
}
.reveal.reveal-visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-fade { transform: none; }
.reveal-fade.reveal-visible { transform: none; }
.reveal-left { transform: translateX(-32px); }
.reveal-left.reveal-visible { transform: translateX(0); }
.reveal-right { transform: translateX(32px); }
.reveal-right.reveal-visible { transform: translateX(0); }
.reveal-zoom { transform: scale(.92); }
.reveal-zoom.reveal-visible { transform: scale(1); }

/* Décalage en cascade pour groupes d'éléments (cartes, listes) */
.reveal-stagger > * {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s cubic-bezier(.25,.7,.3,1), transform .6s cubic-bezier(.25,.7,.3,1);
}
.reveal-stagger.reveal-visible > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.reveal-visible > *:nth-child(1) { transition-delay: .05s; }
.reveal-stagger.reveal-visible > *:nth-child(2) { transition-delay: .12s; }
.reveal-stagger.reveal-visible > *:nth-child(3) { transition-delay: .19s; }
.reveal-stagger.reveal-visible > *:nth-child(4) { transition-delay: .26s; }
.reveal-stagger.reveal-visible > *:nth-child(5) { transition-delay: .33s; }
.reveal-stagger.reveal-visible > *:nth-child(6) { transition-delay: .40s; }
.reveal-stagger.reveal-visible > *:nth-child(n+7) { transition-delay: .46s; }

/* ── Micro-interactions génériques boutons / liens / cartes ── */
a, button, .btn, [role="button"] {
    -webkit-tap-highlight-color: transparent;
}

a.hac-card, .hac-card {
    transition: transform .25s cubic-bezier(.25,.7,.3,1), box-shadow .25s ease, filter .25s ease;
}
.hac-card:hover {
    transform: translateY(-4px) scale(1.015);
    box-shadow: 0 14px 34px rgba(0,0,0,.22);
}
.hac-card:active { transform: translateY(-1px) scale(.99); }

/* Boutons pleins (CTA rouge, or, etc.) — effet ripple léger + lift */
.psi-btn-anim {
    position: relative;
    overflow: hidden;
    transition: transform .22s cubic-bezier(.25,.7,.3,1), box-shadow .22s ease, filter .22s ease;
}
.psi-btn-anim:hover {
    transform: translateY(-2px);
    filter: brightness(1.05);
}
.psi-btn-anim:active { transform: translateY(0); }
.psi-btn-anim::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, rgba(255,255,255,.55) 0%, transparent 60%);
    opacity: 0;
    transform: scale(0.4);
    transition: opacity .5s ease, transform .5s ease;
    pointer-events: none;
}
.psi-btn-anim:active::after {
    opacity: 1;
    transform: scale(1.4);
    transition: 0s;
}

/* Icônes flottantes latérales (contact rapide) */
.floating-contact-btn, .fab-contact, .contact-float a {
    transition: transform .25s cubic-bezier(.34,1.56,.64,1), box-shadow .25s ease;
}
.floating-contact-btn:hover, .fab-contact:hover, .contact-float a:hover {
    transform: scale(1.12);
    box-shadow: 0 10px 26px rgba(0,0,0,.28);
}

/* Cartes génériques (mc, mega menu, services) déjà animées via leurs propres styles ;
   on ajoute juste un lift doux cohérent pour les cartes non couvertes */
.card, .service-card, .destination-card {
    transition: transform .25s cubic-bezier(.25,.7,.3,1), box-shadow .25s ease;
}
.card:hover, .service-card:hover, .destination-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 36px rgba(17,52,104,.14);
}

/* ── Header : effet au scroll (compact + ombre renforcée) ── */
.ph-header {
    transition: box-shadow .3s ease, height .3s ease;
}
.ph-header.ph-scrolled {
    box-shadow: 0 8px 28px rgba(17,52,104,.18) !important;
}
.ph-header.ph-scrolled .ph-header-inner {
    height: 60px !important;
}
.ph-header.ph-scrolled .ph-logo-img {
    height: 46px !important;
}

/* Soulignement animé des liens de nav */
.ph-nav-link {
    position: relative;
}
.ph-nav-link::after {
    content: '';
    position: absolute;
    left: 10px; right: 10px; bottom: 3px;
    height: 2px;
    background: var(--ph-or, #FF9500);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform .25s ease;
    border-radius: 2px;
}
.ph-nav-item:hover .ph-nav-link::after,
.ph-nav-link.active::after {
    transform: scaleX(1);
}

/* Barre de progression de scroll en haut de page */
#psi-scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--ph-rouge, #af0000), var(--ph-or, #FF9500));
    z-index: 99999;
    transition: width .1s linear;
    pointer-events: none;
}

/* ── Hero : entrée progressive du contenu ── */
.slide-tag, .slide-headline, .slide-sub, .hero-action-cards {
    opacity: 0;
    transform: translateY(22px);
    animation: psiHeroIn .8s cubic-bezier(.25,.7,.3,1) forwards;
}
.slide-tag { animation-delay: .15s; }
.slide-headline { animation-delay: .3s; }
.slide-sub { animation-delay: .45s; }
.hero-action-cards { animation-delay: .6s; }

@keyframes psiHeroIn {
    to { opacity: 1; transform: translateY(0); }
}

/* Boutons d'action du hero : légère impulsion au survol */
.hac-card { position: relative; }
.hac-card i {
    transition: transform .3s cubic-bezier(.34,1.56,.64,1);
}
.hac-card:hover i {
    transform: scale(1.2) rotate(-6deg);
}

/* ── Bouton retour en haut ── */
#psi-back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--ph-bleu, #113468);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: 0 8px 22px rgba(17,52,104,.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s, background .2s ease;
    z-index: 9998;
    cursor: pointer;
    border: none;
}
#psi-back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
#psi-back-to-top:hover {
    background: var(--ph-rouge, #af0000);
}