/* =========================================
   PREHISTORY CLUB OF KENYA – ANIMATIONS
   Scroll reveals, counters, micro-interactions
========================================= */

/* ---------- SCROLL REVEAL ---------- */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: opacity, transform;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger children */
.reveal-stagger > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger > *:nth-child(2) { transition-delay: 0.12s; }
.reveal-stagger > *:nth-child(3) { transition-delay: 0.19s; }
.reveal-stagger > *:nth-child(4) { transition-delay: 0.26s; }
.reveal-stagger > *:nth-child(5) { transition-delay: 0.33s; }
.reveal-stagger > *:nth-child(6) { transition-delay: 0.40s; }

/* ---------- COUNTER PULSE ---------- */
@keyframes counterPop {
    0%   { transform: scale(1); }
    40%  { transform: scale(1.08); }
    100% { transform: scale(1); }
}
.counter.animated {
    animation: counterPop 0.45s ease;
}

/* ---------- HERO TEXT ENTRANCE ---------- */
@keyframes heroTitleIn {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes heroFadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

.carousel-item.active .carousel-caption h1 {
    animation: heroTitleIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.carousel-item.active .carousel-caption p,
.carousel-item.active .carousel-caption .lead {
    animation: heroFadeUp 0.85s 0.15s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.carousel-item.active .hero-buttons {
    animation: heroFadeUp 0.85s 0.28s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* ---------- PROGRAM CARD SHINE ---------- */
@keyframes shine {
    0%   { left: -80%; }
    100% { left: 130%; }
}
.program-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: -80%;
    width: 55%;
    height: 100%;
    background: linear-gradient(
        100deg,
        transparent,
        rgba(255, 255, 255, 0.18),
        transparent
    );
    transform: skewX(-18deg);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}
.program-card:hover::after {
    opacity: 1;
    animation: shine 0.85s ease;
}

/* ---------- TIMELINE PULSE ---------- */
@keyframes timelinePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(229, 166, 36, 0.45); }
    50%      { box-shadow: 0 0 0 10px rgba(229, 166, 36, 0); }
}
.timeline-dot.active,
.timeline-item:hover .timeline-dot {
    animation: timelinePulse 1.6s infinite;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale,
    .carousel-item.active .carousel-caption h1,
    .carousel-item.active .carousel-caption p,
    .carousel-item.active .hero-buttons,
    .program-card::after {
        transition: none !important;
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
}