/**
 * Sheen Overseas - Animation System
 * Purposeful, luxury-grade subtle animations with full reduced-motion accessibility
 */

/* Reveal Transitions */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

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

/* Staggered children reveals */
.stagger-parent .stagger-child {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.stagger-parent.is-revealed .stagger-child:nth-child(1) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-parent.is-revealed .stagger-child:nth-child(2) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-parent.is-revealed .stagger-child:nth-child(3) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.stagger-parent.is-revealed .stagger-child:nth-child(4) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.stagger-parent.is-revealed .stagger-child:nth-child(5) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }
.stagger-parent.is-revealed .stagger-child:nth-child(6) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }

/* Hero Text Animation */
@keyframes heroFadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-animate-title {
    animation: heroFadeUp 1.1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-animate-sub {
    animation: heroFadeUp 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
    opacity: 0;
}

.hero-animate-cta {
    animation: heroFadeUp 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
    opacity: 0;
}

/* Subtle Pulse for Highlights */
@keyframes subtlePulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.85; }
}

.pulse-accent {
    animation: subtlePulse 3s ease-in-out infinite;
}

/* Reduced Motion Override */
@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;
    }
    .reveal-on-scroll,
    .stagger-parent .stagger-child {
        opacity: 1 !important;
        transform: none !important;
    }
}