/* Explain: CSS for animated background slider, hero text animation, and phone CTA vibration. - */
@keyframes heroSlideText {
    0%, 42% {
        transform: translateY(0%);
    }
    50%, 92% {
        transform: translateY(-33.3333%);
    }
    100% {
        transform: translateY(-66.6666%);
    }
}

.hero-text-slider-wrapper {
    height: 1.3em;
    line-height: 1.3em;
    overflow: hidden;
    display: inline-block;
    vertical-align: middle;
    max-width: 100%;
}

.hero-text-slider {
    display: block;
    animation: heroSlideText 5s cubic-bezier(0.77, 0, 0.175, 1) infinite;
}

.hero-text-slide-item {
    height: 1.3em;
    line-height: 1.3em;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

@keyframes bgSlideFade {
    0% { opacity: 1; transform: scale(1); }
    22% { opacity: 1; transform: scale(1.02); }
    33% { opacity: 0; transform: scale(1.05); }
    89% { opacity: 0; transform: scale(1); }
    100% { opacity: 1; transform: scale(1); }
}

.bg-slider-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    opacity: 0;
    animation: bgSlideFade 15s infinite;
    will-change: transform, opacity;
}

.bg-slider-img:nth-child(1) { animation-delay: 0s; }
.bg-slider-img:nth-child(2) { animation-delay: -10s; }
.bg-slider-img:nth-child(3) { animation-delay: -5s; }

@keyframes gentleCallVibrate {
    0%, 70%, 100% {
        transform: scale(1) translate3d(0, 0, 0);
    }
    72%, 76%, 80%, 84% {
        transform: scale(1.02) translate3d(-1px, 0, 0);
    }
    74%, 78%, 82%, 86% {
        transform: scale(1.02) translate3d(1px, 0, 0);
    }
    88% {
        transform: scale(1) translate3d(0, 0, 0);
    }
}

.animate-call-vibrate {
    animation: gentleCallVibrate 3.5s ease-in-out infinite;
    will-change: transform;
}

@keyframes phoneIconRing {
    0%, 68%, 100% {
        transform: rotate(0deg) scale(1);
    }
    70%, 76%, 82%, 88% {
        transform: rotate(-14deg) scale(1.18);
    }
    73%, 79%, 85%, 91% {
        transform: rotate(14deg) scale(1.18);
    }
    94% {
        transform: rotate(0deg) scale(1);
    }
}

.animate-phone-ring {
    display: inline-block;
    animation: phoneIconRing 3.5s ease-in-out infinite;
    transform-origin: center center;
    will-change: transform;
}