/* =====================================================
   GIANMARCO SPINA — BACKSTAGE V4
   COMPLETE STYLESHEET
===================================================== */

.gs-backstage {
    --bs-bg: #0b0b0b;
    --bs-white: #f5f2eb;
    --bs-gold: #d8b879;
    --bs-muted: #aaa49a;

    position: relative;
    isolation: isolate;
    width: 100%;
    padding: 85px clamp(24px,7vw,125px) 0;
    background: var(--bs-bg);
    color: var(--bs-white);
    overflow: clip;
}

.gs-backstage *,
.gs-bs-lightbox * {
    box-sizing: border-box;
}

.gs-backstage button,
.gs-bs-lightbox button {
    font-family: inherit;
}

.gs-backstage button:focus-visible,
.gs-bs-lightbox button:focus-visible {
    outline: 2px solid #d8b879;
    outline-offset: 4px;
}

/* METADATA */

.gs-bs-topline,
.gs-bs-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding-bottom: 17px;
    border-bottom: 1px solid rgba(245,242,235,.25);
    font: 12px/1.5 Helvetica,Arial,sans-serif;
    letter-spacing: .1em;
    color: var(--bs-muted);
}

.gs-bs-eyebrow {
    display: block;
    font: 12px/1.5 Helvetica,Arial,sans-serif;
    letter-spacing: .13em;
    color: var(--bs-gold);
}

/* HERO */

.gs-bs-hero {
    display: grid;
    grid-template-columns: minmax(0,1.15fr) minmax(0,.7fr);
    align-items: center;
    gap: clamp(35px,6vw,100px);
    max-width: 1320px;
    margin: 75px auto 0;
}

.gs-bs-hero-copy {
    min-width: 0;
}

.gs-bs-title {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin: 29px 0 40px;
    font: 400 clamp(72px,8.2vw,125px)/.88 Georgia,serif;
    letter-spacing: -.075em;
}

.gs-bs-title > span {
    display: block;
    white-space: nowrap;
}

.gs-bs-title > span:nth-child(2) {
    margin-top: .11em;
    color: transparent;
    -webkit-text-stroke: 1px var(--bs-white);
}

.gs-bs-period {
    color: var(--bs-gold);
    -webkit-text-stroke: 0;
}

.gs-bs-introduction {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 27px;
    max-width: 630px;
}

.gs-bs-introduction p {
    margin: 0;
    font: 16px/1.7 Georgia,serif;
    color: #c6c1b8;
}

.gs-bs-hero-photo {
    position: relative;
    width: 100%;
    max-width: 420px;
    aspect-ratio: 4/5;
    justify-self: end;
    overflow: hidden;
    background: #171717;
}

.gs-bs-hero-photo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(1) brightness(.86);
    transition: filter 650ms ease,transform 850ms ease;
}

.gs-bs-hero-photo:hover img {
    filter: grayscale(.1);
    transform: scale(1.045);
}

.gs-bs-hero-photo-label {
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 14px;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    font: 11px/1.4 Helvetica,Arial,sans-serif;
    letter-spacing: .08em;
    color: white;
    text-shadow: 0 1px 8px black;
}

.gs-bs-scroll-prompt {
    display: flex;
    justify-content: space-between;
    max-width: 1320px;
    margin: 55px auto 0;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(216,184,121,.35);
    color: var(--bs-gold);
    font: 12px Helvetica,Arial,sans-serif;
    letter-spacing: .12em;
}

/* SECTION TITLES */

.gs-bs-photo-section,
.gs-bs-video-section {
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 95px 0 15px;
}

.gs-bs-section-intro {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 30px;
    margin: 48px 0;
}

.gs-bs-section-intro h3 {
    margin: 0;
    font: 400 clamp(52px,6.4vw,91px)/.98 Georgia,serif;
    letter-spacing: -.06em;
}

.gs-bs-section-intro h3 em {
    color: var(--bs-gold);
    font-weight: 400;
}

.gs-bs-section-intro p {
    max-width: 260px;
    margin: 0 0 7px;
    font: 12px/1.6 Helvetica,Arial,sans-serif;
    letter-spacing: .09em;
    color: var(--bs-muted);
    text-align: right;
}

/* PHOTO WALL */

.gs-bs-photo-grid {
    display: grid;
    grid-template-columns: repeat(12,minmax(0,1fr));
    align-items: start;
    column-gap: clamp(15px,3vw,42px);
    row-gap: 45px;
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
}

.gs-bs-photo {
    --bs-rotate-x: 0deg;
    --bs-rotate-y: 0deg;

    position: relative;
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: #222;
    color: white;
    text-align: left;
    cursor: pointer;
    overflow: hidden;
    transform:
        perspective(1100px)
        rotateX(var(--bs-rotate-x))
        rotateY(var(--bs-rotate-y));
    transition: transform 300ms ease,box-shadow 300ms ease;
}

/* Group photograph: main composition */

.gs-bs-photo-a {
    grid-column: 2/8;
    aspect-ratio: 1.14;
}

/* Gianmarco's portrait: second featured photograph */

.gs-bs-photo-b {
    grid-column: 9/12;
    aspect-ratio: .82;
    margin-top: 45px;
}

.gs-bs-photo-c {
    grid-column: 3/6;
    aspect-ratio: .86;
}

.gs-bs-photo-d {
    grid-column: 7/12;
    aspect-ratio: 1.2;
    margin-top: 50px;
}

.gs-bs-photo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(1) brightness(.85);
    transition: filter 600ms ease,transform 700ms ease;
}

.gs-bs-photo:hover img {
    filter: grayscale(.08) brightness(1);
}

.gs-bs-photo:hover {
    box-shadow: 0 20px 50px rgba(0,0,0,.35);
}

.gs-bs-photo::after {
    content: "";
    position: absolute;
    inset: 55% 0 0;
    background: linear-gradient(transparent,rgba(0,0,0,.62));
    pointer-events: none;
}

.gs-bs-photo-label {
    position: absolute;
    z-index: 2;
    left: 15px;
    right: 15px;
    bottom: 16px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font: 12px Helvetica,Arial,sans-serif;
    letter-spacing: .07em;
    color: white;
}

.gs-bs-photo-label span:last-child {
    color: var(--bs-gold);
}

/* VIDEO MONITOR */

.gs-bs-featured {
    position: relative;
    width: 100%;
    max-width: 970px;
    margin: 0 auto;
    padding: clamp(10px,1.4vw,17px);
    background: #151514;
    border: 1px solid rgba(216,184,121,.3);
}

.gs-bs-screen {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    background: #040404;
    overflow: hidden;
}

.gs-bs-featured-video {
    display: block;
    width: 100%;
    height: 100%;
    max-height: 540px;
    object-fit: contain;
    background: black;
}

.gs-bs-screen-corners {
    position: absolute;
    inset: 13px;
    z-index: 2;
    pointer-events: none;
}

.gs-bs-screen-corners i {
    position: absolute;
    width: 15px;
    height: 15px;
    border-color: rgba(216,184,121,.8);
    border-style: solid;
}

.gs-bs-screen-corners i:nth-child(1) {
    top: 0; left: 0;
    border-width: 1px 0 0 1px;
}

.gs-bs-screen-corners i:nth-child(2) {
    top: 0; right: 0;
    border-width: 1px 1px 0 0;
}

.gs-bs-screen-corners i:nth-child(3) {
    bottom: 0; left: 0;
    border-width: 0 0 1px 1px;
}

.gs-bs-screen-corners i:nth-child(4) {
    bottom: 0; right: 0;
    border-width: 0 1px 1px 0;
}

.gs-bs-screen-counter {
    position: absolute;
    top: 15px;
    left: 40px;
    pointer-events: none;
    font: 11px Helvetica,Arial,sans-serif;
    letter-spacing: .08em;
    color: var(--bs-gold);
    text-shadow: 0 1px 5px black;
}

.gs-bs-featured-bottom {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 30px;
    padding: 24px 5px 6px;
}

.gs-bs-featured-bottom h4 {
    margin: 11px 0 0;
    font: 400 clamp(24px,2.7vw,36px)/1.2 Georgia,serif;
    letter-spacing: -.04em;
}

.gs-bs-cinema-button {
    flex-shrink: 0;
    padding: 15px 2px 6px;
    border: 0;
    border-top: 1px solid var(--bs-gold);
    border-radius: 0;
    background: none;
    color: var(--bs-white);
    font: 12px Helvetica,Arial,sans-serif;
    letter-spacing: .08em;
    cursor: pointer;
}

.gs-bs-cinema-button:hover {
    color: var(--bs-gold);
}

/* VIDEO SELECTOR */

.gs-bs-video-index {
    display: grid;
    grid-template-columns: repeat(3,minmax(0,1fr));
    max-width: 970px;
    margin: 36px auto 0;
    border-top: 1px solid rgba(245,242,235,.2);
}

.gs-bs-video-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 15px;
    min-width: 0;
    min-height: 76px;
    padding: 15px;
    border: 0;
    border-bottom: 1px solid rgba(245,242,235,.2);
    border-radius: 0;
    background: transparent;
    color: var(--bs-white);
    text-align: left;
    cursor: pointer;
    overflow: hidden;
    transition: background 250ms ease,color 250ms ease;
}

.gs-bs-video-item:hover,
.gs-bs-video-item.is-active {
    background: #252119;
    color: var(--bs-gold);
}

.gs-bs-video-index-number {
    color: var(--bs-gold);
    font: 12px Helvetica,Arial,sans-serif;
}

.gs-bs-video-index-name {
    flex: 1;
    min-width: 0;
    font: 20px Georgia,serif;
    letter-spacing: -.025em;
}

.gs-bs-video-index-arrow {
    font: 20px Georgia,serif;
}

/* ENDING */

.gs-bs-ending {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    max-width: 1320px;
    margin: 115px auto 0;
    padding: 25px 0 75px;
    border-top: 1px solid rgba(216,184,121,.35);
    font: 12px Helvetica,Arial,sans-serif;
    letter-spacing: .1em;
    color: var(--bs-muted);
}

.gs-bs-ending p {
    flex-basis: 100%;
    margin: 25px 0;
    font: clamp(42px,6vw,83px)/1.1 Georgia,serif;
    letter-spacing: -.055em;
    color: var(--bs-white);
}

.gs-bs-ending p em {
    color: var(--bs-gold);
}

.gs-bs-ending a {
    color: var(--bs-gold);
    text-decoration: none;
    font: 12px Helvetica,Arial,sans-serif;
    letter-spacing: .1em;
}

/* LARGE SURPRISE POPUPS */

.gs-bs-memory-layer {
    position: fixed;
    inset: 0;
    z-index: 100;
    overflow: hidden;
    pointer-events: none;
}

.gs-bs-memory-popup {
    position: absolute;

    /* Larger photographic prints */
    width: clamp(220px,23vw,340px);

    padding: 9px 9px 27px;
    background: #eee9df;
    box-shadow:
        0 25px 70px rgba(0,0,0,.55),
        0 4px 15px rgba(0,0,0,.25);

    pointer-events: none;
    transform-origin: center;
}

.gs-bs-memory-popup img {
    display: block;
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    filter: saturate(.82) contrast(1.04);
}

.gs-bs-memory-popup span {
    display: block;
    padding-top: 10px;
    color: #24201d;
    font: 11px Helvetica,Arial,sans-serif;
    letter-spacing: .08em;
}

/* CURSOR LABEL */

.gs-bs-cursor-label {
    position: absolute;
    z-index: 25;
    padding: 9px 11px;
    background: var(--bs-gold);
    color: #101010;
    font: 11px Helvetica,Arial,sans-serif;
    letter-spacing: .08em;
    opacity: 0;
    pointer-events: none;
    transform: translateY(7px);
    transition: opacity 150ms ease,transform 150ms ease;
}

.gs-bs-cursor-label.is-active {
    opacity: 1;
    transform: none;
}

/* CINEMA MODE */

.gs-bs-lightbox {
    position: fixed;
    inset: 0;
    z-index: 2147483645;
    display: flex;
    flex-direction: column;
    padding: clamp(18px,3vw,35px);
    background: rgba(5,5,5,.98);
    color: #f5f2eb;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 300ms ease,visibility 300ms ease;
}

.gs-bs-lightbox.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.gs-bs-lightbox-top,
.gs-bs-lightbox-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    min-height: 40px;
    font: 12px Helvetica,Arial,sans-serif;
    letter-spacing: .09em;
    color: #aaa49a;
}

.gs-bs-lightbox-top {
    border-bottom: 1px solid #504839;
    padding-bottom: 12px;
}

.gs-bs-lightbox-bottom {
    border-top: 1px solid #504839;
    padding-top: 12px;
}

.gs-bs-lightbox-close {
    padding: 10px;
    border: 0;
    background: none;
    color: #f5f2eb;
    font: 12px Helvetica,Arial,sans-serif;
    letter-spacing: .1em;
    cursor: pointer;
}

.gs-bs-lightbox-close:hover {
    color: #d8b879;
}

.gs-bs-lightbox-stage {
    display: grid;
    grid-template-columns: 48px minmax(0,1fr) 48px;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-height: 0;
}

.gs-bs-lightbox-prev,
.gs-bs-lightbox-next {
    width: 41px;
    height: 41px;
    padding: 0;
    border: 1px solid #655947;
    border-radius: 50%;
    background: #121212;
    color: #f5f2eb;
    font: 24px Georgia,serif;
    cursor: pointer;
}

.gs-bs-lightbox-prev:hover,
.gs-bs-lightbox-next:hover {
    border-color: #d8b879;
}

.gs-bs-lightbox-media {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    min-height: 0;
    overflow: hidden;
}

.gs-bs-lightbox-media img {
    display: block;
    width: auto;
    height: auto;
    max-width: min(850px,100%);
    max-height: 72vh;
    object-fit: contain;
}

.gs-bs-lightbox-media video {
    display: block;
    width: min(980px,100%);
    height: auto;
    max-height: 72vh;
    object-fit: contain;
    background: black;
}

#gsBsLightboxCaption {
    color: #d8b879;
}

/* PLAYBACK ERRORS */

.gs-bs-playback-note,
.gs-bs-modal-error {
    position: absolute;
    z-index: 10;
    left: 15px;
    right: 15px;
    bottom: 55px;
    margin: 0;
    padding: 12px 15px;
    background: rgba(13,13,13,.95);
    border: 1px solid #d8b879;
    color: #f5f2eb;
    font: 13px/1.5 Helvetica,Arial,sans-serif;
}

.gs-bs-playback-note[hidden] {
    display: none !important;
}

.gs-bs-modal-error {
    left: 50%;
    right: auto;
    bottom: 20px;
    width: min(470px,90%);
    transform: translateX(-50%);
}

/* SCROLL ANIMATIONS */

@media (prefers-reduced-motion: no-preference) {

    .gs-backstage.gs-bs-enhanced .gs-bs-title > span {
        opacity: 0;
        transform: translateY(35px);
    }

    .gs-backstage.gs-bs-enhanced
    .gs-bs-title.is-visible > span {
        animation: gsBsTitleIn 850ms
            cubic-bezier(.16,1,.3,1) forwards;
    }

    .gs-backstage.gs-bs-enhanced
    .gs-bs-title.is-visible > span:nth-child(2) {
        animation-delay: 130ms;
    }

    @keyframes gsBsTitleIn {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .gs-backstage.gs-bs-enhanced .gs-bs-hero-photo {
        opacity: 0;
        transform: translateY(30px);
    }

    .gs-backstage.gs-bs-enhanced
    .gs-bs-hero-photo.is-visible {
        animation: gsBsHeroIn 900ms
            cubic-bezier(.16,1,.3,1) forwards;
    }

    @keyframes gsBsHeroIn {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .gs-backstage.gs-bs-enhanced .gs-bs-photo {
        opacity: 0;
    }

    .gs-backstage.gs-bs-enhanced .gs-bs-photo.is-visible {
        animation: gsBsPhotoIn 750ms
            cubic-bezier(.16,1,.3,1) forwards;
    }

    @keyframes gsBsPhotoIn {
        from {
            opacity: 0;
            translate: 0 28px;
        }

        to {
            opacity: 1;
            translate: 0 0;
        }
    }
}

/* TABLET */

@media (max-width: 1050px) {

    .gs-bs-hero {
        grid-template-columns: 1fr .65fr;
        gap: 30px;
    }

    .gs-bs-title {
        font-size: clamp(65px,8.5vw,100px);
    }

    .gs-bs-introduction {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .gs-bs-photo-b {
        margin-top: 35px;
    }

    .gs-bs-photo-d {
        margin-top: 30px;
    }
}

/* MOBILE */

@media (max-width: 700px) {

    .gs-backstage {
        padding: 65px 22px 0;
    }

    .gs-bs-topline,
    .gs-bs-section-header {
        font-size: 11px;
    }

    .gs-bs-topline span:last-child {
        display: none;
    }

    .gs-bs-hero {
        grid-template-columns: 1fr;
        margin-top: 50px;
    }

    .gs-bs-title {
        font-size: clamp(66px,14vw,100px);
        margin-bottom: 30px;
    }

    .gs-bs-introduction {
        grid-template-columns: 1fr;
    }

    .gs-bs-hero-photo {
        width: 85%;
        max-width: 350px;
        justify-self: end;
    }

    .gs-bs-photo-section,
    .gs-bs-video-section {
        padding-top: 70px;
    }

    .gs-bs-section-intro {
        display: block;
        margin: 35px 0;
    }

    .gs-bs-section-intro h3 {
        font-size: clamp(48px,10vw,70px);
    }

    .gs-bs-section-intro p {
        margin-top: 20px;
        text-align: left;
    }

    .gs-bs-photo-grid {
        grid-template-columns: 1fr 1fr;
        column-gap: 12px;
        row-gap: 22px;
    }

    .gs-bs-photo-a,
    .gs-bs-photo-b,
    .gs-bs-photo-c,
    .gs-bs-photo-d {
        grid-column: auto;
        margin-top: 0;
        aspect-ratio: .78;
        transform: none !important;
    }

    .gs-bs-photo:nth-child(even) {
        margin-top: 28px;
    }

    .gs-bs-photo-label {
        left: 8px;
        right: 8px;
        bottom: 10px;
        font-size: 10px;
    }

    .gs-bs-featured {
        padding: 7px;
    }

    .gs-bs-featured-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
        padding: 20px 7px;
    }

    .gs-bs-screen-corners,
    .gs-bs-screen-counter {
        display: none;
    }

    .gs-bs-video-index {
        grid-template-columns: 1fr 1fr;
    }

    .gs-bs-video-item {
        min-height: 67px;
        padding: 12px 8px;
        gap: 9px;
    }

    .gs-bs-video-index-name {
        font-size: 16px;
    }

    .gs-bs-video-index-arrow {
        font-size: 16px;
    }

    .gs-bs-memory-layer,
    .gs-bs-cursor-label {
        display: none;
    }

    .gs-bs-lightbox-stage {
        grid-template-columns: 31px minmax(0,1fr) 31px;
        gap: 4px;
    }

    .gs-bs-lightbox-prev,
    .gs-bs-lightbox-next {
        width: 30px;
        height: 30px;
        font-size: 17px;
    }

    .gs-bs-lightbox-bottom > span:last-child {
        display: none;
    }

    .gs-bs-ending {
        margin-top: 75px;
        padding-bottom: 55px;
    }
}

@media (max-width: 370px) {
    .gs-bs-title {
        font-size: 13.5vw;
    }

    .gs-bs-video-index {
        grid-template-columns: 1fr;
    }
}

/* ACCESSIBILITY */

@media (prefers-reduced-motion: reduce) {

    .gs-backstage *,
    .gs-bs-lightbox * {
        animation: none !important;
        transition: none !important;
    }

    .gs-bs-title > span,
    .gs-bs-photo,
    .gs-bs-hero-photo {
        opacity: 1 !important;
        translate: none !important;
        transform: none !important;
    }

    .gs-bs-memory-layer,
    .gs-bs-cursor-label {
        display: none !important;
    }
}