/* =============================================
   PORTFOLIO HUB
   ============================================= */

.portfolio-hub {
  padding-top: calc(var(--header-h) + 5rem);
  padding-bottom: 6rem;
  padding-left: 2rem;
  padding-right: 2rem;
  background: var(--color-white);
  min-height: 100vh;
}
.portfolio-hub__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.portfolio-hub__header {
  text-align: center;
  margin-bottom: 4rem;
}
.portfolio-hub__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1;
  margin-bottom: 1rem;
}
.portfolio-hub__subtitle {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Grille 3 cartes */
.portfolio-hub__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.hub-card {
  display: flex;
  flex-direction: column;
  border-radius: 4px;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
  min-width: 0;
  transition: transform var(--transition), box-shadow var(--transition);
}
.hub-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(18,38,62,0.14);
}

.hub-card__img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  flex-shrink: 0;
}
.hub-card__img-wrap img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
  color: transparent;
}
.hub-card:hover .hub-card__img-wrap img { transform: scale(1.05); }

.hub-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(18,38,62,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}
.hub-card:hover .hub-card__overlay { opacity: 1; }
.hub-card__cta {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  border: 1.5px solid var(--color-white);
  padding: 0.55rem 1.4rem;
}

.hub-card__body {
  padding: 1.2rem;
  background: var(--color-cream);
  flex: 1;
}
/* Couleurs par carte = même que les labels prestations sur l'accueil */
.portfolio-hub__grid .hub-card:nth-child(1) .hub-card__body { background: var(--color-gold); }
.portfolio-hub__grid .hub-card:nth-child(2) .hub-card__body { background: var(--color-coral); }
.portfolio-hub__grid .hub-card:nth-child(3) .hub-card__body { background: var(--color-teal); }
.portfolio-hub__grid .hub-card:nth-child(1) .hub-card__title,
.portfolio-hub__grid .hub-card:nth-child(1) .hub-card__sub,
.portfolio-hub__grid .hub-card:nth-child(2) .hub-card__title,
.portfolio-hub__grid .hub-card:nth-child(2) .hub-card__sub,
.portfolio-hub__grid .hub-card:nth-child(3) .hub-card__title,
.portfolio-hub__grid .hub-card:nth-child(3) .hub-card__sub { color: var(--color-white); opacity: 1; }
.hub-card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 0.25rem;
}
.hub-card__sub {
  font-size: 0.78rem;
  color: var(--color-text);
  opacity: 0.6;
  font-style: italic;
}



/* =============================================
   SOUS-PAGES PORTFOLIO (grille projets)
   ============================================= */

.portfolio-sub {
  padding-top: calc(var(--header-h) + 5rem);
  padding-bottom: 6rem;
  padding-left: 2rem;
  padding-right: 2rem;
  background: var(--color-white);
  min-height: 100vh;
}
.portfolio-sub__inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.portfolio-sub__header { margin-bottom: 3rem; text-align: center; }
.portfolio-sub__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-navy);
  opacity: 0.5;
  margin-bottom: 2rem;
  transition: opacity var(--transition), color var(--transition);
}
.portfolio-sub__back:hover { opacity: 1; color: var(--color-gold); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.project-item {
  overflow: hidden;
  border-radius: 4px;
  aspect-ratio: 4/3;
  background: var(--color-cream);
}
.project-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
  color: transparent;
}
.project-item:hover img { transform: scale(1.04); }


/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
  .portfolio-hub { padding-top: calc(var(--header-main-h) + 2.5rem); }
  .portfolio-hub__grid { grid-template-columns: 1fr; }

  .ps-inner { flex-direction: column; padding: 40px 24px; min-height: auto; }
  .ps-text { width: 100%; margin-bottom: 2rem; }
  .ps-phones { width: 100%; height: 300px; }

  .portfolio-sub { padding-top: calc(var(--header-main-h) + 2.5rem); }
  .projects-grid { grid-template-columns: 1fr; }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .portfolio-hub__grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .ps-inner { padding: 40px 32px; }
  .ps-text { width: 100%; margin-bottom: 2rem; }
  .ps-phones { width: 100%; }
}