/* ==========================================================================
   midi. — produit.css
   Fiche produit : galerie collante (sticky) avec vignettes, colonne
   d'information qui défile, accordéon animé en JS (fiable sur tous
   navigateurs), sélecteur de taille, panier avec annulation.
   ========================================================================== */

.pf-layout {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: clamp(2rem, 5vw, 5rem);
    max-width: 84rem;
    margin-inline: auto;
    padding: calc(var(--header-h) + 2.5rem) var(--pad-inline) var(--space-section);
    align-items: start;
}

/* ---------------------------------- Galerie (collante) ---------------------------------- */

.pf-gallery {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.pf-gallery__back {
    align-self: flex-start;
}

.pf-gallery__stage {
    position: relative;
    perspective: 1400px;
}

.pf-gallery__ghost {
    position: absolute;
    top: -1.2rem;
    left: -0.6rem;
    z-index: 0;
    font-family: var(--f-display);
    font-weight: 300;
    font-size: clamp(5rem, 11vw, 8rem);
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px var(--c-line);
    pointer-events: none;
    will-change: transform, opacity;
}

.pf-gallery__frame {
    position: relative;
    z-index: 1;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    border-radius: 2px;
    border: 1px solid var(--c-line);
    box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.75);
    transform-style: preserve-3d;
}

.pf-gallery__frame picture {
    display: block;
    width: 100%;
    height: 100%;
}

.pf-gallery__frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pf-gallery__thumbs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    max-width: 22rem;
}

.pf-thumb {
    position: relative;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    border-radius: 2px;
    border: 1px solid var(--c-line);
    cursor: pointer;
    padding: 0;
    transition: border-color 0.25s var(--ease-out);
}

.pf-thumb picture {
    display: block;
    width: 100%;
    height: 100%;
}

.pf-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pf-thumb:hover {
    border-color: var(--c-or);
}

.pf-thumb[aria-current="true"] {
    border-color: var(--c-or);
    box-shadow: 0 0 0 1px var(--c-or);
}

/* ---------------------------------- Info produit ---------------------------------- */

.pf-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-top: 0.25rem;
}

.pf-info__title {
    font-family: var(--f-display);
    font-weight: 300;
    font-size: var(--fs-xl);
    line-height: 1.1;
    margin-top: 0.3rem;
}

.pf-info__price {
    font-family: var(--f-display);
    font-style: italic;
    font-size: 1.5rem;
    color: var(--c-or);
}

.pf-info__note {
    font-style: italic;
    color: var(--c-text-dim);
    font-size: 0.95rem;
}

.pf-info__desc {
    color: var(--c-text-dim);
    max-width: 32rem;
    margin-top: 0.5rem;
}

/* ---------------------------------- Tailles ---------------------------------- */

.pf-sizes {
    margin-top: 1rem;
}

.pf-sizes__label {
    font-size: var(--fs-caption);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c-or);
    margin-bottom: 0.75rem;
}

.pf-sizes__row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.pf-size {
    min-width: 3rem;
    padding: 0.65rem 0.5rem;
    border: 1px solid var(--c-line);
    border-radius: 999px;
    font-size: 0.85rem;
    color: var(--c-text);
    cursor: pointer;
    transition: border-color 0.25s var(--ease-out), background-color 0.25s var(--ease-out), color 0.25s var(--ease-out);
}

.pf-size:hover {
    border-color: var(--c-or);
}

.pf-size[aria-pressed="true"] {
    background: var(--c-or);
    border-color: var(--c-or);
    color: var(--c-ombre);
}

.pf-sizes__hint {
    margin-top: 0.6rem;
    font-size: var(--fs-caption);
    color: var(--c-text-dim);
}

/* ---------------------------------- Ajouter au panier ---------------------------------- */

.pf-add-row {
    margin-top: 1.25rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.1rem;
}

.pf-add {
    padding: 1rem 1.5rem;
    border: 1px solid var(--c-or);
    border-radius: 999px;
    font-size: var(--fs-caption);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c-or);
    cursor: pointer;
    transition: background-color 0.3s var(--ease-out), color 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

.pf-add:not(:disabled):hover {
    background: var(--c-or);
    color: var(--c-ombre);
}

.pf-add:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pf-cancel {
    font-size: var(--fs-caption);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c-text-dim);
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
}

.pf-cancel:hover {
    color: var(--c-solaire);
}

.pf-cancel[hidden] {
    display: none;
}

.pf-stock {
    margin-top: 0.5rem;
    font-size: var(--fs-caption);
    color: var(--c-text-dim);
    max-width: 26rem;
}

.pf-quick-buy {
    margin-top: 1rem;
    display: inline-block;
    font-size: var(--fs-caption);
    letter-spacing: 0.06em;
    color: var(--c-text-dim);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.25s var(--ease-out), opacity 0.25s var(--ease-out);
}

.pf-quick-buy:hover {
    color: var(--c-or);
}

.pf-quick-buy[aria-disabled="true"] {
    opacity: 0.5;
    cursor: not-allowed;
}

.pf-quick-buy-note {
    margin-top: 1rem;
    font-size: var(--fs-caption);
    color: var(--c-text-dim);
    max-width: 26rem;
}

/* ---------------------------------- Accordéon (animé en JS/GSAP) ---------------------------------- */
/* Le déclenchement de l'ouverture/fermeture est en JS (mesure de la
   hauteur réelle du panneau puis animation), pas en CSS pur : la technique
   grid-template-rows: 0fr → 1fr n'est pas interpolée de façon fiable sur
   tous les navigateurs, ce qui provoquait un contenu à moitié visible qui
   débordait sur l'élément suivant. */

.pf-accordion {
    margin-top: 2rem;
    border-top: 1px solid var(--c-line);
}

.pf-accordion__item {
    border-bottom: 1px solid var(--c-line);
}

.pf-accordion__trigger {
    width: 100%;
    padding: 1.1rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    cursor: pointer;
}

.pf-accordion__icon {
    position: relative;
    width: 14px;
    height: 14px;
    flex: none;
}

.pf-accordion__icon::before,
.pf-accordion__icon::after {
    content: "";
    position: absolute;
    inset: 0;
    margin: auto;
    background: var(--c-or);
}

.pf-accordion__icon::before {
    width: 100%;
    height: 1px;
}

.pf-accordion__icon::after {
    width: 1px;
    height: 100%;
    transition: transform 0.3s var(--ease-out);
}

.pf-accordion__trigger[aria-expanded="true"] .pf-accordion__icon::after {
    transform: scaleY(0);
}

.pf-accordion__panel {
    height: 0;
    overflow: hidden;
}

.pf-accordion__text {
    padding-bottom: 1.1rem;
    color: var(--c-text-dim);
    max-width: 30rem;
}

@media (max-width: 900px) {
    .pf-layout {
        grid-template-columns: 1fr;
    }

    .pf-gallery {
        position: static;
    }

    .pf-gallery__frame {
        max-width: 26rem;
        margin-inline: auto;
    }

    .pf-gallery__thumbs {
        max-width: 26rem;
        margin-inline: auto;
    }
}

/* ---------------------------------- Histoire matière ---------------------------------- */

.pf-story {
    padding: var(--space-section) var(--pad-inline);
    max-width: 46rem;
    margin-inline: auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.pf-story__text {
    font-family: var(--f-display);
    font-weight: 300;
    font-style: italic;
    font-size: var(--fs-lg);
    line-height: 1.4;
    color: var(--c-solaire-dim);
}

/* ---------------------------------- Vous aimerez aussi ---------------------------------- */

.pf-also {
    padding: 0 var(--pad-inline) var(--space-section);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
    text-align: center;
}

.pf-also__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.25rem, 3vw, 2rem);
    max-width: 68rem;
    width: 100%;
    perspective: 1400px;
}

.pf-also__item {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transform-style: preserve-3d;
}

.pf-also__item picture {
    display: block;
    width: 100%;
}

.pf-also__item img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 2px;
    border: 1px solid var(--c-line);
    transition: border-color 0.3s var(--ease-out);
}

.pf-also__item:hover img {
    border-color: var(--c-or);
}

.pf-also__name {
    font-family: var(--f-display);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--c-solaire);
}

@media (max-width: 680px) {
    .pf-also__grid {
        grid-template-columns: 1fr;
        max-width: 20rem;
    }
}