.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);
    will-change: opacity, transform;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}
 
.reveal--left  { transform: translateX(-40px); }
.reveal--right { transform: translateX(40px); }
.reveal--zoom  { transform: scale(0.95); }

.reveal--left.is-visible,
.reveal--right.is-visible { transform: translateX(0); }
.reveal--zoom.is-visible  { transform: scale(1); }
 
.reveal--stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal--stagger.is-visible > *:nth-child(1) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.reveal--stagger.is-visible > *:nth-child(2) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.reveal--stagger.is-visible > *:nth-child(3) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.reveal--stagger.is-visible > *:nth-child(4) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.reveal--stagger.is-visible > *:nth-child(5) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }
.reveal--stagger.is-visible > *:nth-child(6) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }
 
@media (prefers-reduced-motion: reduce) {
    .reveal, .reveal--stagger > * {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}
/* === Анимация появления карточек === */
.home-card--reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: 
        opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    /* Stagger: каждая следующая на 80мс позже */
    transition-delay: calc(var(--i, 0) * 0.08s);
    will-change: opacity, transform;
}

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

/* Ограничиваем максимальную задержку — для 20+ карточек */
.home-card--reveal[style*="--i:1"] ~ .home-card--reveal {
    transition-delay: calc(min(var(--i, 0), 12) * 0.06s);
}

/* Hover-эффекты (если ещё не добавлены) */
.home-card {
    transition: 
        transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
        box-shadow 0.4s ease;
    will-change: transform;
}

.home-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.home-card__img {
    transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.home-card:hover .home-card__img {
    transform: scale(1.06);
}

.home-card__book-btn {
    transition: 
        transform 0.3s ease,
        background 0.3s ease,
        box-shadow 0.3s ease;
}

.home-card:hover .home-card__book-btn {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

/* === Бейджи: лёгкое появление === */
.home-card .badge {
    transition: transform 0.3s ease;
}

.home-card:hover .badge--price {
    transform: scale(1.05);
}
 
@media (prefers-reduced-motion: reduce) {
    .home-card--reveal,
    .home-card,
    .home-card__img,
    .home-card__book-btn {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}
/* === Скелетон с эффектом мерцания === */
.skeleton-shimmer {
    position: relative;
    overflow: hidden;
    background: #ebebeb;
    border-radius: 4px;
}

.skeleton-shimmer::after {
    content: '';
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.7) 50%,
        transparent 100%
    );
    animation: shimmer 1.4s ease-in-out infinite;
}

@keyframes shimmer {
    100% { transform: translateX(100%); }
}

/* Скелетон-карточка появляется тоже со stagger */
.home-card--skeleton {
    animation: fadeIn 0.4s ease forwards;
    animation-delay: calc(var(--i, 0) * 0.05s);
    opacity: 0;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    .skeleton-shimmer::after,
    .home-card--skeleton {
        animation: none;
    }
    .home-card--skeleton { opacity: 1; }
}