.anim-page-container {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.anim-page {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: transform 0.6s cubic-bezier(0.215, 0.61, 0.355, 1);
    transform: translateX(100%);
}

.anim-page--first {}
.anim-page--first .anim-page__title .anim-page__content {
    color: #FFF;
}
.anim-page--second {}
.anim-page--third { background-color: #ddddff; }
.anim-page--fourth { background-color: #ffffdd; }

.anim-page__title {
    margin-bottom: 1.5rem;
}

.anim-page__content {
    max-width: 600px;
    text-align: center;
    line-height: 1.6;
}

.anim-page--left {
    transform: translateX(-100%);
}

.anim-page--right {
    transform: translateX(100%);
}

.anim-page--active {
    transform: translateX(0);
}

.anim-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    padding: 1.5rem;
    background-color: rgba(51, 51, 51, 0.9);
    z-index: 100;
}

.anim-nav__btn {
    padding: 0.75rem 1.5rem;
    margin: 0 0.75rem;
    background-color: #555;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-size: 1rem;
}

.anim-nav__btn:hover {
    background-color: #777;
}

.anim-nav__btn--disabled {
    background-color: #999;
    cursor: not-allowed;
}