housesof/src/style/molecules/_switcher.scss

.switcher {
    --offset: 16px;
    --button-size: 44px;
    $shadow-color: rgba(0, 0, 0, 0.05);
    position: fixed;
    z-index: 101;
    bottom: var(--offset);
    left: var(--offset);
    pointer-events: none;

    @include bp (sm) {
        --offset: 20px;
    }
    @include bp (md) {
        --offset: 40px;
        --button-size: 56px;
    }

    // Links
    &__links {
        position: absolute;
        z-index: 2;
        bottom: calc(var(--button-size) + 16px);
        left: 0;
        min-width: 240px;
        opacity: 0;
        padding: 8px;
        background: $color-primary-tertiary20;
        border-radius: 12px;
        transform: translate3d(0, 8px, 0);
        box-shadow: 0 6px 6px $shadow-color, 0 12px 12px $shadow-color, 0 24px 24px $shadow-color;
        transition: opacity 0.8s var(--ease-quart), transform 0.8s var(--ease-quart);

        li {
            display: block;
            line-height: 1.5;
        }
        a {
            display: flex;
            align-items: center;
            padding: 8px 16px 8px 10px;
            color: #fff;
            font-weight: 900;
            font-size: rem(16px);
            text-decoration: none;
            border-radius: 6px;
            transition: background-color 0.4s ease-out;

            &:hover {
                background-color: rgba($color-tertiary, 0.15);
            }
        }
        .icon {
            display: block;
            width: 32px;
            height: 32px;
            object-fit: contain;
            margin-right: 16px;
            color: $color-secondary-light;
        }
    }

    // Button
    &__button {
        $shadow-color: rgba(0, 0, 0, 0.05);
        width: var(--button-size);
        height: var(--button-size);
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0;
        pointer-events: auto;
        background: $color-primary-tertiary20;
        border-radius: 100%;
        box-shadow: 0 6px 6px $shadow-color, 0 12px 12px $shadow-color, 0 24px 24px $shadow-color;
        transition: background-color 0.6s var(--ease-quart);

        // Dots container
        span {
            display: inline-flex;
            flex-flow: column;
        }
        // Dot
        i {
            display: block;
            width: 4px;
            height: 4px;
            margin: 1.5px 0;
            border-radius: 100%;
            background: #fff;
            transition: transform 0.8s var(--ease-quart);

            @include bp (md) {
                width: 6px;
                height: 6px;
                margin: 2px 0;
            }
        }

        // Hover
        &:hover {
            background-color: #7e5288;

            i {
                &:nth-child(1) { transform: translate3d(0, -2px, 0); }
                &:nth-child(3) { transform: translate3d(0, 2px, 0); }
            }
        }
    }


    /*
    ** States
    */
    // Open
    &.is-open {
        .switcher {
            &__links {
                opacity: 1;
                pointer-events: auto;
                transform: translate3d(0, 0, 0);

                a {
                    pointer-events: auto;
                }
            }

            &__button {
                i {
                    &:nth-child(1) {
                        transform: translate3d(-5px, 5px, 0);

                        @include bp (md) {
                            transform: translate3d(-7px, 8px, 0);
                        }
                    }
                    &:nth-child(2) {
                        transform: translate3d(5px, -2px, 0);

                        @include bp (md) {
                            transform: translate3d(7px, -2px, 0);
                        }
                    }
                    &:nth-child(3) {
                        transform: translate3d(0px, -2px, 0);

                        @include bp (md) {
                            transform: translate3d(0px, -3px, 0);
                        }
                    }
                }
            }
        }
    }

    // Over (for Photo viewer)
    &.is-over {
        top: var(--offset);
        right: var(--offset);
        left: auto;
        bottom: auto;

        // Links
        .switcher__links {
            top: calc(var(--button-size) + 8px);
            right: 0;
            left: auto;

            @include bp (md) {
                top: auto;
                bottom: calc(var(--button-size) + 24px);
            }
        }

        @include bp (md) {
            top: auto;
            right: var(--offset);
            left: auto;
            bottom: var(--offset);
        }
    }
}