/* ============================================
   LUMIÈRE DU SUD — Animations
   ============================================ */

/* Reveal animation (hero elements) */
.anim-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.anim-reveal--delay-1 { transition-delay: 0.15s; }
.anim-reveal--delay-2 { transition-delay: 0.3s; }
.anim-reveal--delay-3 { transition-delay: 0.45s; }
.anim-reveal--delay-4 { transition-delay: 0.6s; }

/* Fade up (scroll-triggered) */
.anim-fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.anim-fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.anim-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.anim-stagger.is-visible > *:nth-child(1) { transition-delay: 0s; opacity: 1; transform: translateY(0); }
.anim-stagger.is-visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.anim-stagger.is-visible > *:nth-child(3) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.anim-stagger.is-visible > *:nth-child(4) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }

/* Scale in */
.anim-scale-in {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Parallax image */
.parallax-image {
    will-change: transform;
    transition: transform 0.1s linear;
}

/* Number count animation */
@keyframes countUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.stat__number.is-counting {
    animation: countUp 0.4s ease-out forwards;
}

/* Image reveal */
.img-reveal {
    position: relative;
    overflow: hidden;
}

.img-reveal::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-navy);
    transform-origin: left;
    transition: transform 1s cubic-bezier(0.77, 0, 0.175, 1);
    transform: scaleX(1);
}

.img-reveal.is-visible::after {
    transform: scaleX(0);
    transform-origin: right;
}

/* Underline draw */
.anim-underline {
    position: relative;
    display: inline;
}

.anim-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.anim-underline.is-visible::after {
    width: 100%;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .anim-reveal,
    .anim-fade-up,
    .anim-scale-in {
        opacity: 1;
        transform: none;
    }

    .hero__scroll-line {
        animation: none;
    }
}