.back-link{
  font-family:var(--grotesk);font-size:0.75rem;letter-spacing:0.1em;text-transform:uppercase;
  color:var(--noir);
  display:inline-flex;align-items:center;gap:0.4rem;
}
.back-link::before{content:"←";font-size:0.9em;}

/* Case study — image on the side, text on the right */
.case-split{
  display:grid;grid-template-columns:1.3fr 1fr;gap:3.5rem;
  max-width:1400px;margin:0 auto;padding:7rem 2.4rem 4rem;
  align-items:start;
}
.case-split-media{background:#efefec;}
.case-split-media img,
.case-split-media video{
  width:100%;height:auto;display:block;
}
.case-split-info{
  display:flex;flex-direction:column;gap:1.8rem;
  padding-top:0.5rem;
}
.client-logo-detail{height:36px;width:auto;max-width:140px;object-fit:contain;display:block;margin-bottom:0.4rem;}
.case-title{
  font-family:var(--serif);font-weight:800;
  font-size:clamp(1.6rem,2.6vw,2.1rem);
  letter-spacing:0;text-transform:uppercase;color:var(--noir);
}

/* Meta — client / secteur / date */
.case-meta{
  display:flex;flex-direction:column;gap:1rem;
  padding:1.4rem 0;border-top:1px solid var(--ligne);border-bottom:1px solid var(--ligne);
}
.case-meta-item{display:flex;justify-content:space-between;gap:1rem;}
.case-meta-item span:first-child{
  font-family:var(--grotesk);font-size:0.68rem;letter-spacing:0.1em;text-transform:uppercase;color:var(--gris);
}
.case-meta-item span:last-child{
  font-family:var(--sans);font-size:0.9rem;color:var(--noir);text-align:right;
}
.case-split-info .project-text{max-width:none;}

@media(max-width:900px){
  .case-split{grid-template-columns:1fr;padding-top:6rem;}
}

/* Case study — centered, for exploration pieces without extra project info */
.case-centered{max-width:820px;margin:0 auto;padding:6.5rem 2.4rem 3rem;text-align:center;}
.case-centered-head{margin-bottom:1.4rem;}
.case-centered-head .kicker{margin-bottom:0.4rem;font-size:0.7rem;}
.case-centered-head .case-title{font-size:clamp(1.3rem,2vw,1.7rem);}
.case-centered-media{
  max-height:58vh;
  display:flex;align-items:center;justify-content:center;
}
.case-centered-media img,
.case-centered-media video{
  width:auto;max-width:100%;height:auto;max-height:58vh;object-fit:contain;display:block;
}

.case-centered-wide{max-width:1400px;}
.case-centered-wide .case-centered-media{max-height:78vh;}
.case-centered-wide .case-centered-media img,
.case-centered-wide .case-centered-media video{max-height:78vh;}

@media(max-width:900px){
  .case-centered{padding-top:6rem;}
  .case-centered-media{max-height:42vh;}
  .case-centered-media img,
  .case-centered-media video{max-height:42vh;}
  .case-centered-wide .case-centered-media{max-height:50vh;}
  .case-centered-wide .case-centered-media img,
  .case-centered-wide .case-centered-media video{max-height:50vh;}
}

/* Prev/next navigation between projects of the same category */
.case-centered-media-wrap{position:relative;}
.case-nav-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,0.92);color:var(--noir);
  display:flex;align-items:center;justify-content:center;
  font-size:1.6rem;line-height:1;font-family:var(--serif);
  box-shadow:0 6px 20px rgba(0,0,0,0.15);
  transition:transform 0.3s var(--ease),background 0.3s var(--ease);
}
.case-nav-arrow:hover{background:var(--noir);color:#fff;transform:translateY(-50%) scale(1.08);}
.case-nav-prev{left:-22px;}
.case-nav-next{right:-22px;}

@media(max-width:700px){
  .case-nav-arrow{width:36px;height:36px;font-size:1.3rem;}
  .case-nav-prev{left:0.4rem;}
  .case-nav-next{right:0.4rem;}
}

/* legacy (kept for old markup / other pages) */
.project-hero{position:relative;height:100vh;overflow:hidden;}
.project-hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.project-hero::after{
  content:'';position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(0,0,0,0.1) 50%,rgba(0,0,0,0.55) 100%);
}
.project-hero-overlay{
  position:absolute;bottom:3rem;left:3rem;color:#fff;z-index:2;
}
.project-hero-overlay .kicker{color:#e5e5e5;margin-bottom:0.8rem;display:block;}
.project-hero-title{
  font-family:var(--grotesk);font-weight:600;
  font-size:clamp(3rem,9vw,7rem);
}

.project-block{
  max-width:900px;margin:0 auto;padding:4rem 2rem;text-align:center;
}
.project-block.split{
  max-width:1100px;display:grid;grid-template-columns:1fr 1fr;gap:3rem;text-align:left;align-items:start;
}
.project-block .kicker{display:block;margin-bottom:1.4rem;}
.project-block-line{
  font-family:var(--grotesk);font-weight:600;font-size:clamp(1.8rem,3.6vw,2.8rem);line-height:1.2;
}
.project-block-line.small{font-size:clamp(1.5rem,2.6vw,2.1rem);}
.project-block-line em{color:var(--gris);}
.project-text{font-family:var(--sans);font-weight:300;font-size:1rem;color:#333;max-width:44ch;}

.project-full{height:100vh;width:100%;object-fit:cover;display:block;}

.project-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--ligne);}
.project-grid-item{aspect-ratio:3/4;width:100%;object-fit:cover;display:block;}

.project-next{
  min-height:50vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.4rem;
  background:var(--noir);color:var(--creme);text-align:center;
}
.project-next .kicker{color:var(--gris);}
.project-next-title{
  font-family:var(--grotesk);font-weight:600;font-size:clamp(2.6rem,6vw,4.6rem);
  transition:opacity 0.3s ease;
}
.project-next-title:hover{opacity:0.6;}

@media(max-width:900px){
  .project-block.split{grid-template-columns:1fr;}
  .project-grid{grid-template-columns:1fr;}
}