/* ==========================================================================
   Pages projet
   ========================================================================== */

body {
    overflow-x: hidden;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.site-nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    pointer-events: none;
}

.site-nav::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 9.375rem;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.25) 51%, rgba(0, 0, 0, 0) 100%);
}

.site-nav__inner {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--gutter);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
    pointer-events: auto;
}

.nav-separator {
    width: 1.5rem;
    height: 1px;
    background: #fff;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: 1px solid transparent;
    border-radius: 999px;
    background: none;
    color: #fff;
    font-family: var(--f-display);
    font-size: max(16px, 1rem);
    cursor: pointer;
    transition:
        border-color var(--t-fast) ease,
        background-color var(--t-fast) ease;
}

.nav-item {
    position: relative;
}

.nav-item:hover .nav-link,
.nav-item:focus-within .nav-link {
    border-color: #fff;
    background: rgba(0, 0, 0, 0.2);
    -webkit-backdrop-filter: blur(0.3125rem);
    backdrop-filter: blur(0.3125rem);
}

.chevron {
    transition: transform var(--t-med) var(--ease-out);
}

.nav-item:hover .chevron,
.nav-item:focus-within .chevron {
    transform: rotate(180deg);
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    min-width: 11.25rem;
    display: flex;
    flex-direction: column;
    padding: 0.625rem 0;
    border-radius: 0.875rem;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.45) 0%, rgba(0, 0, 0, 0.15) 100%);
    -webkit-backdrop-filter: blur(0.5rem);
    backdrop-filter: blur(0.5rem);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 0.625rem);
    transition:
        opacity var(--t-fast) ease,
        visibility var(--t-fast) ease,
        transform var(--t-med) var(--ease-out);
}

.nav-item:hover .dropdown,
.nav-item:focus-within .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

.dropdown a {
    padding: 0.625rem 0;
    font-family: var(--f-body);
    font-size: max(14px, 0.875rem);
    text-align: center;
    white-space: nowrap;
    opacity: 0.7;
    transition: opacity var(--t-fast) ease, transform var(--t-fast) var(--ease-out);
}

.dropdown a:not(:last-child)::after {
    content: "";
    display: block;
    width: 1.5rem;
    height: 1px;
    margin: 0.625rem auto 0;
    background: rgba(255, 255, 255, 0.5);
}

.dropdown a:hover,
.dropdown a[aria-current="page"] {
    opacity: 1;
}

.dropdown a:hover {
    transform: scale(1.08);
}

/* --------------------------------------------------------------------------
   Décor fixe
   -------------------------------------------------------------------------- */
.project-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    background: center / cover no-repeat;
}

.project-bg .vignette {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: radial-gradient(50% 50% at 50% 50%, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.95) 100%);
    pointer-events: none;
}

.scene-stage {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 1;
    width: 1920px;
    height: 1080px;
    transform: translate(-50%, -50%) scale(var(--stage-scale, 1));
    pointer-events: none;
}

.scene-layer {
    position: absolute;
    inset: 0;
}

.floating-svg {
    position: absolute;
    max-width: none;
    will-change: transform, opacity;
}

/* --------------------------------------------------------------------------
   Progression de lecture
   -------------------------------------------------------------------------- */
.read-progress {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 101;
    height: 2px;
    background: linear-gradient(90deg, rgba(166, 153, 204, 0.6), #fff);
    transform: scaleX(0);
    transform-origin: left;
    pointer-events: none;
}

/* --------------------------------------------------------------------------
   Mise en page
   -------------------------------------------------------------------------- */
.layout {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr minmax(auto, 56.25rem) 1fr;
    padding-top: 8.75rem;
}

.layout__aside {
    display: flex;
    justify-content: flex-end;
    align-items: flex-start;
    padding-right: 2.5rem;
}

/* Colonne collante : fermer + sommaire */
.aside-sticky {
    position: sticky;
    top: 8.75rem;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2.5rem;
}

.close-btn {
    width: 3rem;
    height: 3rem;
    display: grid;
    place-items: center;
    border: 1px solid transparent;
    border-radius: 50%;
    transition:
        transform 0.6s var(--ease-out),
        background-color var(--t-fast) ease,
        border-color var(--t-fast) ease;
}

.close-btn:hover {
    transform: rotate(90deg);
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.06);
}

/* Sommaire, dans l'esprit de la sidebar de l'accueil */
.toc {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

.toc a {
    position: relative;
    padding: 0.375rem 1rem 0.375rem 0;
    color: #fff;
    font-family: var(--f-body);
    font-size: max(13px, 0.8125rem);
    white-space: nowrap;
    opacity: 0.4;
    transition: opacity var(--t-med) var(--ease-out);
}

.toc a::after {
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    width: 1px;
    height: 0.875rem;
    background: #fff;
    transform: translateY(-50%) scaleY(0.4);
    opacity: 0.4;
    transition: transform var(--t-med) var(--ease-out), opacity var(--t-med) var(--ease-out);
}

.toc a:hover {
    opacity: 0.85;
}

.toc a.is-active {
    opacity: 1;
}

.toc a.is-active::after {
    transform: translateY(-50%) scaleY(1.4);
    opacity: 1;
}

.layout__main {
    min-width: 0;
    padding-bottom: 5rem;
}

/* --------------------------------------------------------------------------
   En-tête du projet
   -------------------------------------------------------------------------- */
.project-header {
    margin-bottom: 3rem;
}

.project-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    color: var(--c-text-soft);
    font-family: var(--f-body);
    font-size: max(12px, 0.75rem);
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.project-kicker::before {
    content: "";
    width: 1.5rem;
    height: 1px;
    background: currentColor;
}

.project-kicker span {
    opacity: 0.6;
}

.project-title {
    font-size: 4rem;
    font-weight: 400;
    line-height: 1.05;
    letter-spacing: 0.01em;
}

.project-subtitle {
    margin-top: 1rem;
    color: var(--c-text-soft);
    font-size: 1.375rem;
    font-weight: 300;
    line-height: 1.35;
}

/* --------------------------------------------------------------------------
   Contenu
   -------------------------------------------------------------------------- */
.project-media {
    width: 100%;
    height: auto;
    margin-bottom: 3rem;
}

img.project-media,
.img-small-left {
    cursor: zoom-in;
}

.project-description {
    color: rgba(255, 255, 255, 0.86);
    font-family: var(--f-body);
    font-size: max(16px, 1rem);
    line-height: 1.8;
}

/* Le texte garde une largeur de lecture confortable, les médias prennent toute la colonne */
.project-description p {
    max-width: 44rem;
    margin-bottom: 1.25rem;
}

.project-description .project-lead {
    max-width: 46rem;
    margin-bottom: 0;
    color: #fff;
    font-family: var(--f-display);
    font-size: 1.5rem;
    font-weight: 300;
    line-height: 1.45;
}

.project-description p b {
    display: block;
    margin-top: 2rem;
    color: #fff;
    font-weight: 500;
}

.project-description strong {
    color: #fff;
    font-weight: 500;
}

.project-description .project-media {
    margin-top: 1.5rem;
}

.section-title {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin: 5rem 0 1.5rem;
    padding-top: 1.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    font-family: var(--f-display);
    font-size: 1.75rem;
    font-weight: 400;
    scroll-margin-top: 7rem;
}

.section-title__num {
    color: var(--c-text-soft);
    font-family: var(--f-body);
    font-size: max(12px, 0.75rem);
    letter-spacing: 0.2em;
}

.img-small-left {
    float: right;
    height: 11.25rem;
    width: auto;
    margin: 0.375rem 0 1.5rem 2rem;
    border-radius: 0.5rem;
    object-fit: cover;
    user-select: none;
}

.img-small-left.block {
    float: none;
    margin-left: 0;
}

.lienbas {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 0.1875rem;
}

/* --------------------------------------------------------------------------
   Visionneuse d'images
   -------------------------------------------------------------------------- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: grid;
    place-items: center;
    padding: 4vh 4vw;
    background: rgba(8, 9, 22, 0.92);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    cursor: zoom-out;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s var(--ease-out), visibility 0.4s;
}

.lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

.lightbox img {
    max-width: 100%;
    max-height: 92vh;
    width: auto;
    height: auto;
    box-shadow: 0 2.5rem 6rem -2rem rgba(0, 0, 0, 0.9);
    transform: scale(0.96);
    transition: transform 0.6s var(--ease-out);
}

.lightbox.is-open img {
    transform: none;
}

.lightbox__close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 3rem;
    height: 3rem;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    background: none;
    color: #fff;
    cursor: pointer;
}

.lightbox__close svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* --------------------------------------------------------------------------
   Navigation entre projets
   -------------------------------------------------------------------------- */
.project-pager {
    margin-top: 7.5rem;
}

/* Grande carte « projet suivant », comme les cartes de l'accueil */
.next-card {
    position: relative;
    display: block;
    height: 26rem;
    overflow: hidden;
    box-shadow: 0 2.5rem 5rem -1.875rem rgba(0, 0, 0, 0.8);
    transition: transform 0.7s var(--ease-out), box-shadow 0.7s var(--ease-out);
}

.next-card__media {
    position: absolute;
    inset: -4%;
    background: center / cover no-repeat;
    filter: brightness(0.75);
    transition: transform 1.2s var(--ease-out), filter 0.7s var(--ease-out);
}

.next-card::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.05) 45%, rgba(0, 0, 0, 0.65) 100%);
}

.next-card__inner {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    padding: 2rem;
}

.next-card__label {
    color: rgba(255, 255, 255, 0.75);
    font-family: var(--f-body);
    font-size: max(12px, 0.75rem);
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.next-card__title {
    max-width: 30rem;
    margin-top: 0.75rem;
    font-size: 2.5rem;
    font-weight: 500;
    line-height: 1.1;
}

.next-card__subtitle {
    max-width: 24rem;
    margin-top: auto;
    color: rgba(255, 255, 255, 0.82);
    font-size: 1rem;
    font-weight: 500;
}

.next-card__cta {
    position: absolute;
    right: 2rem;
    bottom: 2rem;
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 1rem 2rem;
    border: 1px solid #fff;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.2);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    font-size: 1rem;
    white-space: nowrap;
}

.next-card__cta span {
    transition: transform var(--t-med) var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
    .next-card:hover {
        transform: scale(1.02) rotate(-1deg);
        box-shadow: 0 3.75rem 6.25rem -1.875rem rgba(0, 0, 0, 0.9);
    }

    .next-card:hover .next-card__media {
        transform: scale(1.04);
        filter: brightness(0.9);
    }

    .next-card:hover .next-card__cta span {
        transform: translateX(0.25rem);
    }
}

.pager-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.pager-link {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    opacity: 0.55;
    transition: opacity var(--t-fast) ease;
}

.pager-link:hover {
    opacity: 1;
}

.pager-link__label {
    font-family: var(--f-body);
    font-size: max(12px, 0.75rem);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.pager-link__title {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 1.25rem;
}

.pager-link__title span {
    display: inline-block;
    transition: transform var(--t-med) var(--ease-out);
}

.pager-link--prev:hover .pager-link__title span {
    transform: translateX(-0.375rem);
}

.pager-home {
    margin-left: auto;
    font-family: var(--f-body);
    font-size: max(13px, 0.8125rem);
    opacity: 0.55;
    transition: opacity var(--t-fast) ease;
}

.pager-home:hover {
    opacity: 1;
}

/* --------------------------------------------------------------------------
   Pied de page
   -------------------------------------------------------------------------- */
.project-footer {
    position: relative;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.75rem var(--gutter);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.4);
    font-family: var(--f-body);
    font-size: max(12px, 0.75rem);
}

.project-footer a {
    transition: color var(--t-fast) ease;
}

.project-footer a:hover {
    color: #fff;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
    .layout {
        display: flex;
        flex-direction: column;
        padding: 7.5rem 1.5rem 0;
    }

    .layout__aside {
        justify-content: flex-start;
        margin-bottom: 1.5rem;
        padding-right: 0;
    }

    .aside-sticky {
        position: relative;
        top: 0;
        align-items: flex-start;
    }

    .close-btn {
        margin-left: -0.75rem;
    }

    .toc {
        display: none;
    }

    .project-title {
        font-size: 2.5rem;
        overflow-wrap: break-word;
    }

    .site-nav__inner {
        align-items: center;
        padding: 1.25rem;
    }

    .nav-links {
        gap: 0.5rem;
    }

    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: max(13px, 0.8125rem);
    }

    .nav-separator,
    .chevron,
    .dropdown {
        display: none;
    }

    .nav-logo img {
        width: 2rem;
        height: 2rem;
    }
}

@media (max-width: 768px) {
    .project-subtitle {
        font-size: 1.125rem;
    }

    .project-description .project-lead {
        font-size: 1.25rem;
    }

    .section-title {
        margin-top: 3.5rem;
        font-size: 1.5rem;
    }

    .img-small-left {
        float: none;
        width: 100%;
        max-width: 12.5rem;
        height: auto;
        margin: 0 0 1.5rem;
    }

    .project-pager {
        margin-top: 5rem;
    }

    .next-card {
        height: 22rem;
    }

    .next-card__inner {
        padding: 1.25rem;
    }

    .next-card__title {
        font-size: 1.75rem;
    }

    .next-card__subtitle {
        max-width: 100%;
        margin-bottom: 4.5rem;
        font-size: max(14px, 0.875rem);
    }

    .next-card__cta {
        left: 1.25rem;
        right: auto;
        bottom: 1.25rem;
        padding: 0.875rem 1.5rem;
        font-size: max(14px, 0.875rem);
    }

    .pager-link__title {
        font-size: max(16px, 1rem);
    }

    .project-footer {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}

/* Icônes inline : suivent l'échelle proportionnelle */
.close-btn svg {
    width: 1.5rem;
    height: 1.5rem;
}

.chevron {
    width: 0.625rem;
    height: auto;
}