/* =========================================================
   Pinault Scroll Gallery — psg-style.css
   Inspiré de l'esthétique Pinault Collection / Bourse de Commerce
   ========================================================= */

/* -------------------------------------------------------
   Reset & Variables
   ----------------------------------------------------- */
:root {
  --psg-black:       #0a0a0a;
  --psg-white:       #f8f6f1;
  --psg-accent:      #c8b49a;
  --psg-font-serif:  'Georgia', 'Times New Roman', serif;
  --psg-font-sans:   'Helvetica Neue', Helvetica, Arial, sans-serif;
  --psg-ease:        cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --psg-ease-slow:   cubic-bezier(0.16, 1, 0.3, 1);
  --psg-item-width:  480px;
}

.psg-hero,
.psg-scroll-gallery,
.psg-horizontal-slider,
.psg-expo-cards {
  box-sizing: border-box;
}

/* =========================================================
   HERO PLEIN ÉCRAN
   ========================================================= */
.psg-hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  background: var(--psg-black);
}

/* Fond vidéo */
.psg-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
}

/* Fond image */
.psg-hero__bg--image {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform-origin: center center;
  transition: transform 8s var(--psg-ease-slow);
}
.psg-hero:hover .psg-hero__bg--image {
  transform: scale(1.04);
}

/* Overlay sombre */
.psg-hero__overlay {
  position: absolute;
  inset: 0;
  background: var(--psg-black);
  pointer-events: none;
  z-index: 1;
}

/* Dégradé bas */
.psg-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 55%;
  background: linear-gradient(to top, rgba(10,10,10,.85) 0%, transparent 100%);
  z-index: 2;
  pointer-events: none;
}

/* Contenu texte */
.psg-hero__content {
  position: relative;
  z-index: 3;
  padding: clamp(2rem, 5vw, 5rem) clamp(1.5rem, 6vw, 6rem);
  color: var(--psg-white);
  max-width: 900px;
}

.psg-hero__subtitle {
  font-family: var(--psg-sans);
  font-size: clamp(.75rem, 1.2vw, .9rem);
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: .7;
  margin: 0 0 1rem;
}

.psg-hero__title {
  font-family: var(--psg-font-serif);
  font-size: clamp(2.2rem, 6vw, 5.5rem);
  font-weight: 400;
  line-height: 1.05;
  margin: 0 0 2rem;
  letter-spacing: -.02em;
}

.psg-hero__cta {
  display: inline-block;
  color: var(--psg-white);
  font-family: var(--psg-font-sans);
  font-size: .85rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid rgba(248,246,241,.4);
  padding-bottom: 3px;
  transition: border-color .3s var(--psg-ease), opacity .3s;
}
.psg-hero__cta:hover {
  border-color: var(--psg-white);
  opacity: .8;
}

/* Indicateur scroll */
.psg-hero__scroll-indicator {
  position: absolute;
  bottom: 2rem;
  right: 2.5rem;
  z-index: 3;
}
.psg-hero__scroll-indicator span {
  display: block;
  width: 1px;
  height: 60px;
  background: rgba(248,246,241,.35);
  position: relative;
  overflow: hidden;
}
.psg-hero__scroll-indicator span::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--psg-white);
  animation: psg-scroll-line 1.8s var(--psg-ease) infinite;
}
@keyframes psg-scroll-line {
  0%   { top: -100%; }
  100% { top: 100%; }
}

/* =========================================================
   GALERIE DÉFILANTE PARALLAX
   ========================================================= */
.psg-scroll-gallery {
  width: 100%;
}

.psg-scroll-gallery__item {
  margin: 0 0 clamp(2rem, 6vw, 8rem);
  overflow: hidden;
  position: relative;
}

.psg-scroll-gallery__wrap {
  overflow: hidden;
  position: relative;
}

/* L'image déborde verticalement pour le parallax */
.psg-scroll-gallery__img {
  display: block;
  width: 100%;
  height: 125%;
  object-fit: cover;
  transform: translateY(0);
  will-change: transform;
}

.psg-scroll-gallery__caption {
  font-family: var(--psg-font-sans);
  font-size: .78rem;
  letter-spacing: .08em;
  color: #666;
  margin: .75rem 0 0;
  padding: 0 .5rem;
}

/* Variante alternée (image droite / gauche) */
.psg-scroll-gallery__item:nth-child(odd)  .psg-scroll-gallery__wrap { margin-left: 8%; }
.psg-scroll-gallery__item:nth-child(even) .psg-scroll-gallery__wrap { margin-right: 8%; }

@media (max-width: 768px) {
  .psg-scroll-gallery__item:nth-child(odd)  .psg-scroll-gallery__wrap,
  .psg-scroll-gallery__item:nth-child(even) .psg-scroll-gallery__wrap {
    margin: 0;
  }
  .psg-scroll-gallery__img { height: 115%; }
}

/* =========================================================
   SLIDER HORIZONTAL DRAGGABLE
   ========================================================= */
.psg-horizontal-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: clamp(1.5rem, 3vw, 3rem) 0;
  user-select: none;
  -webkit-user-select: none;
}

.psg-slider__track {
  display: flex;
  gap: clamp(1rem, 2.5vw, 2.5rem);
  padding: 0 clamp(1.5rem, 5vw, 5rem);
  cursor: grab;
  transition: transform .05s linear;
  will-change: transform;
  -webkit-overflow-scrolling: touch;
}
.psg-slider__track.is-grabbing {
  cursor: grabbing;
}
.psg-slider__track.no-transition {
  transition: none;
}

.psg-slider__item {
  flex: 0 0 var(--psg-item-width);
  max-width: 90vw;
}

.psg-slider__link {
  display: block;
  overflow: hidden;
  aspect-ratio: 3/4;
}

.psg-slider__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--psg-ease);
  pointer-events: none;
}
.psg-slider__item:hover .psg-slider__img {
  transform: scale(1.04);
}

.psg-slider__caption {
  margin: .75rem 0 0;
  font-family: var(--psg-font-sans);
  font-size: .78rem;
  letter-spacing: .06em;
  color: #444;
}

/* Flèches navigation */
.psg-slider__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: var(--psg-white);
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 12px rgba(0,0,0,.12);
  transition: background .25s, transform .25s var(--psg-ease);
}
.psg-slider__arrow svg {
  width: 20px;
  height: 20px;
  stroke: var(--psg-black);
}
.psg-slider__arrow:hover {
  background: var(--psg-black);
  transform: translateY(-50%) scale(1.08);
}
.psg-slider__arrow:hover svg { stroke: var(--psg-white); }
.psg-slider__arrow--prev { left: .75rem; }
.psg-slider__arrow--next { right: .75rem; }

/* Dégradé fondu sur les bords */
.psg-horizontal-slider::before,
.psg-horizontal-slider::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 5;
  pointer-events: none;
}
.psg-horizontal-slider::before {
  left: 0;
  background: linear-gradient(to right, var(--psg-white, #fff), transparent);
}
.psg-horizontal-slider::after {
  right: 0;
  background: linear-gradient(to left, var(--psg-white, #fff), transparent);
}

/* =========================================================
   CARDS EXPOSITIONS
   ========================================================= */
.psg-expo-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: clamp(1rem, 2vw, 2rem);
  padding: 0;
}

@media (min-width: 900px) {
  .psg-expo-cards { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 600px) and (max-width: 899px) {
  .psg-expo-cards { grid-template-columns: repeat(2, 1fr); }
}

.psg-expo-card {
  position: relative;
}

.psg-expo-card__inner {
  display: block;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
}

.psg-expo-card__img-wrap {
  overflow: hidden;
  aspect-ratio: 3/4;
  background: #e8e4de;
}

.psg-expo-card__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s var(--psg-ease-slow);
}
.psg-expo-card__inner:hover .psg-expo-card__img {
  transform: scale(1.06);
}

.psg-expo-card__body {
  padding: .9rem 0 .5rem;
  display: flex;
  flex-direction: column;
  gap: .3rem;
}

.psg-expo-card__label {
  font-family: var(--psg-font-sans);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #888;
}

.psg-expo-card__title {
  font-family: var(--psg-font-serif);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 400;
  margin: 0;
  color: var(--psg-black);
  line-height: 1.3;
}

.psg-expo-card__arrow {
  font-size: .85rem;
  color: var(--psg-accent);
  transform: translateX(0);
  display: inline-block;
  transition: transform .3s var(--psg-ease);
  margin-top: .25rem;
}
.psg-expo-card__inner:hover .psg-expo-card__arrow {
  transform: translateX(6px);
}

/* =========================================================
   ANIMATIONS ENTRÉE AU SCROLL (fade up)
   ========================================================= */
.psg-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s var(--psg-ease-slow), transform .8s var(--psg-ease-slow);
}
.psg-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Délai en cascade pour les cards */
.psg-expo-card:nth-child(1) .psg-reveal { transition-delay: 0s; }
.psg-expo-card:nth-child(2) .psg-reveal { transition-delay: .1s; }
.psg-expo-card:nth-child(3) .psg-reveal { transition-delay: .2s; }
.psg-expo-card:nth-child(4) .psg-reveal { transition-delay: .3s; }

/* =========================================================
   UTILITAIRES Elementor
   ========================================================= */
.elementor-section .psg-hero { width: 100vw; margin-left: calc(-50vw + 50%); }