/* ============================================================
   animations.css — Keyframes, classes d'animation (sobres),
                    effets de survol, scroll reveal
   ============================================================ */

/* ── Keyframes ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-16px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(16px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.97); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
    0%   { background-position: -1000px 0; }
    100% { background-position:  1000px 0; }
}

@keyframes bounce {
    0%,  100% { transform: translateY(0); }
    40%        { transform: translateY(-5px); }
    70%        { transform: translateY(-2px); }
}

/* ── Classes d'animation (entrée) ── */
.animate-fade-in-up {
    animation: fadeInUp 0.5s ease-out forwards;
    opacity: 0;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.5s ease-out forwards;
    opacity: 0;
}

.animate-fade-in-right {
    animation: fadeInRight 0.5s ease-out forwards;
    opacity: 0;
}

.animate-scale-in {
    animation: scaleIn 0.4s ease-out forwards;
    opacity: 0;
}

.animate-slide-down {
    animation: slideDown 0.4s ease-out forwards;
    opacity: 0;
}

/* ── Délais en cascade ── */
.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; }

/* ── Scroll reveal (piloté par IntersectionObserver JS) ── */
.scroll-reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ── Effets hover sobre ── */
.hover-lift {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(15, 30, 46, 0.12) !important;
}

.hover-scale {
    transition: transform 0.2s ease;
}

.hover-scale:hover {
    transform: scale(1.02);
}

/* ── Gradient de texte (statique) ── */
.text-gradient {
    background: linear-gradient(135deg, var(--pourpre-700), var(--pourpre-500), var(--cuivre-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Bordure animée au survol ── */
.border-animate {
    position: relative;
    overflow: hidden;
}

.border-animate::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--pourpre-600), transparent);
    transition: left 0.5s ease;
}

.border-animate:hover::before {
    left: 100%;
}

/* ── Overlay de révélation ── */
.reveal-overlay {
    position: relative;
    overflow: hidden;
}

.reveal-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(123, 37, 68, 0.85), rgba(200, 132, 58, 0.65));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.reveal-overlay:hover::after {
    opacity: 1;
}

.reveal-overlay .reveal-content {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 1;
}

.reveal-overlay:hover .reveal-content {
    opacity: 1;
    transform: translateY(0);
}

/* ── Icône avec rebond sobre au survol ── */
.icon-bounce {
    display: inline-block;
    transition: transform 0.2s ease;
}

.icon-bounce:hover {
    animation: bounce 0.4s ease;
}

/* ── Icône avec rotation légère au survol ── */
.icon-rotate {
    display: inline-block;
    transition: transform 0.3s ease;
}

.icon-rotate:hover {
    transform: rotate(15deg);
}

/* ── Profondeur légère pour les cartes ── */
.card-depth {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-depth:hover {
    transform: translateY(-3px);
    box-shadow:
        0 4px 8px rgba(15, 30, 46, 0.08),
        0 8px 16px rgba(123, 37, 68, 0.08);
}