/* =======================
   Portfolio Grid
======================= */
.portfolio-grid {
  display: grid;
  grid-auto-rows: 600px;
  gap: 30px;
  max-width: 80vw;
  width: 100%;
  margin: auto;
  padding-bottom: 80px;
  min-height: calc(100vh - 182px);
  
  background-color: var(--background);
}

/* =======================
   Project Card
======================= */
.project-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  width: 100%;
  height: 100%;
  opacity: 1;
  transition: opacity 0.5s ease-in-out, transform 0.3s;
}

/* .project-card.hidden {
  opacity: 0;
  visibility: hidden;
  height: 0;
  overflow: hidden;
  transition: opacity 0.5s ease-in-out, visibility 0s linear 0.5s;
}

.project-card.showing {
  opacity: 0;
  visibility: visible;
  height: auto;
  transition: opacity 0.5s ease-in-out;
} */

/* =======================
   Card Background
======================= */
.card_background {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  border-radius: 10px;
  transition: transform 0.1s, filter 0.1s;
}

.card_background:hover {
  filter: brightness(1.05) contrast(1.1);
  transform: scale(1.0);
}

/* =======================
   Card Info & Category
======================= */
.project-card .card_info {
  background-color: var(--background);
  width: 100%;
  padding-top:5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 900;
  color: var(--text-light);
  font-size: 1.9rem;
  line-height: 1.1;
  text-transform: uppercase;
}




.project-card .category {
  color: var(--sub-text);
  font-size: 0.9rem;
  text-transform: uppercase;
  background-color: var(--background);
  width: 100%;
}

/* =======================
   Filter Carousel (Mobile)
======================= */
.filter-carousel {
    position: sticky;
  top: 10;
  z-index:20;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 10vw; /* Responsive padding au lieu de max-width */
  margin-bottom: 15px;
  mask-image: linear-gradient(to right, var(--background), black 2%, black 98%, var(--background));
  border-left: 2px solid var(--content);
  border-right: 2px solid var(--content);
  
  /* background-color: var(--background); */

}


filter-scroll {
  overflow-x: auto;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  flex-grow: 1;
  display: flex;
  /* mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent); */
}

.filter-scroll-inner {
  display: flex;
  gap: 10px;
  padding-left: 5vw;
  position: relative;
}

/* Spacer at the end */
.filter-scroll-inner::after {
  content: "";
  flex: 0 0 2vw; /* Acts as right padding */
}

.filter-scroll::-webkit-scrollbar {
  display: none;
}

/* =======================
   Filter Buttons
======================= */
.filter-button {
  white-space: nowrap;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 500;
  padding: 10px 20px;
  font-size: 16px;
  border: 0px solid var(--content);
  border-radius: 100px;
  background-color: var(--background);
  color: var(--content);
  margin: 5px 0;
  transition: background-color 0.2s ease-in-out;
  flex-shrink: 0;
  /* box-shadow:0px 1px 5px var(--content) ; */
}

.filter-button:hover {
  background-color: var(--content);
  color: var(--background);
}

.filter-button.active {
  background-color: var(--theme-color);
  color: var(--background);
  animation: fadein 0.5s ease forwards;
  /* box-shadow:0px 1px 5px var(--content) ; */
}

/* =======================
   Animations
======================= */
@keyframes fadein {
  from { background-color: var(--background); }
  to { background-color: var(--theme-color); }
}

@keyframes card-fadein {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* =======================
   Responsive
======================= */
@media (max-width: 749px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 80vh;
    overflow: hidden;
 
  }

  .project-card {
    height: auto;
    max-height: calc(75vh);
  }

  .filter-carousel {
    flex-wrap: nowrap;
    justify-content: space-between;
    /* top: 70px; */
    /* background-color: var(--background); */
  }

  .filter-scroll {
    flex: 1;
    overflow-x: auto;
    padding: 5px 0;
  }

}

@media (min-width: 750px) {
  .filter-carousel {
    flex-wrap: wrap;
    border: none;
  }

 

  .filter-scroll {
    flex-wrap: wrap;
    overflow: visible;
    justify-content: center;
  }
}

#loader {
  position: fixed;
  inset: 0;
  background: black;
  z-index: 9999;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loader-backgrounds {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.loader-backgrounds .bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.2); /* Start zoomed in */
  transition: opacity 0.5s ease, transform 1.5s ease;
}

.loader-content {
  width:80vw;
  height: auto;
  animation: fadeIn 1s ease-out forwards;
  opacity: 0;
  animation-delay: 0.3s;
  z-index: 2;
}

/* Add animation class dynamically */
.loader-backgrounds .bg.active {
  opacity: 1;
  transform: scale(1);
}


#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: black;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loader-logo {
  width:80vw;
  height: auto;
  animation: fadeIn 1s ease-out forwards;
  opacity: 0;
  animation-delay: 0.3s;
}
#main-content {
  opacity: 0;
  /* transform: translateY(40px);
  padding-top: 40px; */
}

.project-card {
  opacity: 0;
  transform: translateY(30px);
}
/* --- Hover image swap sur les cards --- */
.project-card {
  position: relative; /* sécurité pour l’empilement */
  overflow: hidden;
}

.card_background {
  position: relative;
  background-size: cover;
  background-position: center;
  /* Optionnel mais utile pour une grille propre : fixe un ratio */
  aspect-ratio: 4 / 3; /* ajuste si besoin */
  will-change: opacity;
}

/* Calque hover invisible au départ */
.card_background::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--hover);
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity .35s ease;
  pointer-events: none; /* ne bloque pas le clic (onclick) */
}

/* Au survol, on révèle l’image hover */
.project-card:hover .card_background::after {
  opacity: 1;
}