/* ==========================================
   KEYFRAMES
   ========================================== */

/* Плавное появление снизу вверх */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Эффект парения для карточки Hero */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* Мягкая пульсация неонового свечения */
@keyframes pulseGlow {
    0% {
        opacity: 0.25;
        transform: translate(-50%, -50%) scale(0.95);
    }
    50% {
        opacity: 0.4;
        transform: translate(-50%, -50%) scale(1.05);
    }
    100% {
        opacity: 0.25;
        transform: translate(-50%, -50%) scale(0.95);
    }
}

/* ==========================================
   ANIMATION CLASSES
   ========================================== */

.hero__content {
    animation: fadeInUp 0.8s ease-out forwards;
}

.hero__card-mockup {
    animation: float 6s ease-in-out infinite;
}

.hero__glow {
    animation: pulseGlow 4s ease-in-out infinite;
}

/* Классы для JS-скролл анимации (Intersection Observer) */
.fade-in-element {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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