// Photos Page
.photos-page {
    // Intro Section
    &__intro {
        margin-bottom: clamp(32px, 7.5vw, 96px);
        color: $color-text;
        text-align: center;

        // Title
        :global(h1) {
            margin: -20px 0 48px;
            color: $color-secondary;
            line-height: 1;

            @include bp (sm) {
                margin: -100px 0 0 calc(-1 * clamp(24px, 6vw, 64px));
            }
        }
        // Text
        & > :global(p) {
            max-width: 456px;
            margin: 20px auto 56px;

            @include bp (sm) {
                margin: 50px auto 72px;
                max-width: 524px;
            }
        }

        // Passed scroll
        &.is-passed {
            @include bp (sm) {
                padding-bottom: 72px;
            }
        }
    }

    // Content Block
    &__content {
        --corners: 8px;
        position: relative;
        padding: 20px;
        background-color: $color-tertiary;

        @include bp (sm) {
            padding: clamp(40px, 5vw, 64px) 24px;
        }
        @include bp (md) {
            margin: 0 30px;
            padding-left: 0;
            padding-right: 0;
        }

        &:before, &:after {
            @include bp (md) {
                content: "";
                display: block;
                position: absolute;
                z-index: -1;
                top: 0;
                width: 25%;
                height: 100%;
                background: $color-tertiary;
                transition: transform 0.8s var(--ease-quart);
            }
        }
        &:before {
            @include bp (md) {
                border-radius: var(--corners) 0 0 var(--corners);
                left: 0;
                transform: translate3d(calc(-1 * var(--margin-sides)), 0, 0);
            }
        }
        &:after {
            @include bp (md) {
                border-radius: 0 var(--corners) var(--corners) 0;
                right: 0;
                transform: translate3d(var(--margin-sides), 0, 0);
            }
        }

        // Container
        .container {
            @include bp (sm, max) {
                padding-left: 0;
                padding-right: 0;
            }
        }

        // Modules
        :global(.grid-modules) {
            grid-column: 1 / -1;
            margin-bottom: 0;

            @include bp (sd) {
                grid-column: 2 / span 22;
            }
        }
    }

    // Photo Grid
    &__grid {
        display: grid;
        grid-column: 1 / -1;
        // Template: 2 / 1-1
        grid-template-columns: repeat(2, 1fr);
        grid-gap: 16px;

        @include bp (mob-lg) {
            grid-gap: 20px;
        }
        @include bp (sm) {
            // Swich to template: 2-1-1 / 1-1-2
            grid-template-columns: repeat(4, 1fr);
            grid-gap: 24px;
        }
        @include bp (sd) {
            grid-column: 2 / span 22;
            grid-gap: clamp(24px, 2vw, 40px);
        }

        // Photo
        :global(.photo) {
            position: relative;
            opacity: 0;
            transform: translate3d(0, 96px, 0);
            transition: opacity 1.2s var(--ease-quart), transform 1.2s var(--ease-quart);

            :global(a) {
                display: block;
            }
            :global(figcaption) {
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                pointer-events: none;
            }

            /**
             * Photo sizes
             */
            // MOBILE
            // 1st photo = 2 columns
            &:nth-child(5n + 1) {
                @include bp (sm, max) {
                    grid-column: span 2;
                    grid-row: span 2;
                    margin-bottom: 8px;
                }
            }
            // 4 next photos = 1 column each
            &:nth-child(5n + 4),
            &:nth-child(5n + 5) {
                @include bp (sm, max) {
                    margin-bottom: 8px;
                }
            }


            // DESKTOP
            // 1st photo = left 2 columns, 2 rows
            &:nth-child(10n + 1){
                @include bp (sm) {
                    grid-column: span 2;
                    grid-row: span 2;
                }
            }
            // 8th photo = right 2 columns, 2 rows
            &:nth-child(10n + 8){
                @include bp (sm) {
                    grid-column: 3 / span 2;
                    grid-row: span 2;
                }
            }
            // Additional spacing between grid patterns
            &:nth-child(10n + 10){
                @include bp (sm) {
                    margin-top: 12px;
                }
                @include bp (sd) {
                    margin-top: clamp(8px, 1vw, 16px);
                }
            }
            &:nth-child(10n + 1),
            &:nth-child(10n + 4),
            &:nth-child(10n + 5){
                @include bp (sm) {
                    margin-bottom: 12px;
                }
                @include bp (sd) {
                    margin-bottom: clamp(8px, 1vw, 16px);
                }
            }

            // Show postcard on hover
            &:hover {
                :global(.postcard) {
                    opacity: 1;
                    transform: translate3d(3%, 3%, 0) rotate(2deg);
                }
                :global(.postcard--small) {
                    transform: translate3d(0,0,0);
                }
            }

            // Postcard
            :global(.postcard) {
                position: absolute;
                bottom: 0;
                right: 0;
                border-top-left-radius: 8px;
                pointer-events: none;
                opacity: 0;
                transform: translate3d(6%, 12%, 0) rotate(-1deg);
                transition: opacity 0.5s var(--ease-quart), transform 0.9s var(--ease-quart);
            }
            :global(.postcard--small) {
                border-radius: 6px 6px 0 0;
                transform: translate3d(6%, 12%, 0) rotate(-3deg);
            }
        }

        // Visible photo state
        :global(.is-visible) {
            opacity: 1;
            transform: translate3d(0,0,0);
        }
    }

    // Message
    &__message {
        // grid-column: ;
        text-align: center;
        padding: clamp(48px, 10vw, 160px) 0;
        color: $color-text;

        @include bp (sm) {
            grid-column: 3 / span 20;
        }
    }
}


/*
** Filters
*/
.filters {
    max-width: 982px;
    margin: 0 auto;
    padding: 0 16px;

    @include bp (sm) {
        padding: 0 32px;
    }

    // Bar
    &__bar {
        position: relative;
        display: inline-flex;
        justify-content: center;
        align-items: center;
        min-height: 64px;
        margin-top: 20px;
        padding: 0 12px;
        background: $color-primary-darker;
        border-radius: 100vh;

        @include bp (mob-lg) {
            padding: 0 16px;
        }
        @include bp (sm) {
            display: flex;
            height: 72px;
            margin-top: 0;
            padding: 28px 32px;
        }

        ul {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
        }
        li {
            display: block;
            margin: 8px 2px;
            font-size: rem(14px);
            color: #fff;

            @include bp (sm) {
                margin: 0 2px;
                font-size: rem(16px);
            }
        }
        :global(.icon) {
            display: block;
            width: 20px;
            height: 20px;
            overflow: hidden;
            margin-right: 12px;
            color: #fff;
            border-radius: 100%;
            transition: color 0.3s;

            @include bp (sm) {
                width: 26px;
                height: 26px;
            }

            :global(img) {
                display: block;
                width: 100%;
                height: 100%;
            }
        }

        :global(.select) {
            position: relative;
            display: flex;
            align-items: center;
            padding: 8px 12px 8px 8px;
            font-weight: 900;
            border-radius: 100vh;
            transition: background-color 0.2s;

            @include bp (sm) {
                padding: 8px 16px;
            }

            :global(select) {
                opacity: 0;
                position: absolute;
                top: 0;
                left: 8px;
                width: 100%;
                height: 100%;
                cursor: pointer;
            }
        }

        // Hover
        li:hover {
            :global(.icon) {
                color: $color-secondary-light;
            }
            :global(.select) {
                background-color: $color-primary-tertiary20;
            }
        }
    }

    // Span
    &__label {
        display: block;
        color: rgba($color-tertiary, 0.7);
        position: absolute;
        top: -32px;
        left: 50%;
        transform: translateX(-50%);

        @include bp (sm) {
            left: 32px;
            top: 52%;
            transform: translateY(-50%);
            margin-bottom: 0;
        }
    }

    // Actions
    &__actions {
        display: flex;
        align-items: center;
        justify-content: center;
        margin-top: 20px;

        @include bp (sm) {
            position: absolute;
            top: 50%;
            right: 20px;
            transform: translateY(-50%);
            margin-top: 0;
        }

        // Reset link
        .reset {
            padding: 0 12px;
            color: rgba($color-tertiary, 0.6);
            font-weight: 900;
            font-size: rem(14px);
            transition: color 0.3s;
            transform: translateZ(0);

            &:hover {
                color: $color-tertiary;
            }
        }
    }


    /*
    ** States
    */
    // Fixed when scrolled pass intro
    &.is-over {
        --top: 24px;
        transform: translate3d(0, calc(-100% - var(--top)), 0);
        pointer-events: none;

        .filters__bar {
            pointer-events: auto;
            box-shadow: 0 10px 20px rgba(#000, 0.1);
        }

        @include bp (sm) {
            position: fixed;
            z-index: 10;
            top: var(--top);
            left: 0;
            right: 0;
        }
    }

    // Visible when scrolling back up
    &.is-visible {
        transform: translate3d(0,0,0);
        pointer-events: auto;
    }

    // Apply transition
    &.is-transitioning {
        transition: transform 1.0s var(--ease-quart);
    }
}


/**
* Controls
*/
.controls {
    grid-column: 1 / -1;
    display: grid;
    margin: 48px auto;
    align-items: center;
    justify-content: center;

    @include bp (sm) {
        justify-content: space-between;
        margin: clamp(56px, 4.5vw, 80px) 0;
    }
    @include bp (sd) {
        --columns: 22;
        grid-column: 2 / span var(--columns);
    }

    // Updated Date
    &__date {
        grid-column: 1 / -1;
        grid-row: 2;
        font-size: rem(18px);
        color: rgba($color-gray, 0.6);
        font-weight: 300;
        text-align: center;
        margin: 24px 0 48px;
        line-height: 1.35;

        @include bp (sm) {
            grid-column: span 5;
            grid-row: 1;
            text-align: left;
            margin: 0;
        }

        time {
            display: block;

            @include bp (sd) {
                display: inline;
            }
        }
    }

    // See More Photos
    :global(.button) {
        grid-column: 1 / -1;
        padding-left: 24px;
        padding-right: 24px;
        grid-row: 1;
        margin: 0 auto;

        @include bp (sm) {
            grid-column: 7 / span 12;
        }
        @include bp (sd) {
            grid-column-start: 6;
        }
    }

    // Photo Count
    &__count {
        grid-column: 1 / -1;
        grid-row: 3;
        text-align: center;
        display: flex;
        align-items: baseline;
        color: rgba($color-text, 0.3);
        font-family: $font-serif;
        font-size: rem(64px);
        font-weight: 200;
        line-height: 1;
        letter-spacing: -0.05em;

        @include bp (sm) {
            grid-column: 18 / span 7;
            grid-row: 1;
            margin-left: auto;
            text-align: right;
        }
        @include bp (sd) {
            grid-column-start: 16;
        }

        span {
            display: inline-block;

            &:last-child {
                margin-right: 0;
            }
        }
    }
}