.progetti-calia{
  --calia-red:#BE1E2D;
  --bg-light:#f2f2f2;
  --text-dark:#1A1A1A;
  --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);

  background-color: var(--bg-light);
  padding: 30px 0;
  font-family: 'Inter', sans-serif;
}

.progetti-calia .container-calia{
  max-width:1500px;
  margin:0 auto;
}

.progetti-calia .progetti-wrapper{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:80px;
  align-items:center;
}

/* Visual side */
.progetti-calia .visual-container{
  position:sticky;
  top:100px;
  height:550px;
  border-radius:24px;
  overflow:hidden;
  transform:translateZ(0);
  box-shadow:0 20px 40px rgba(0,0,0,0.05);
}

.progetti-calia .main-project-image{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:var(--transition-smooth);
}

.progetti-calia .image-overlay{
  position:absolute;
  bottom:0; left:0; right:0;
  padding:40px;
  background:linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
}

.progetti-calia .project-caption{
  color:#fff;
  font-size:18px;
  font-weight:300;
  line-height:1.5;
  margin:0;
  max-width:90%;
  transition:var(--transition-smooth);
}

/* List side */
.progetti-calia .progetti-list{
  display:flex;
  flex-direction:column;
  justify-content:center;
}

.progetti-calia .project-trigger{
  padding:22px 0;
  border-bottom:1px solid rgba(0,0,0,0.08);
  cursor:pointer;
  transition:var(--transition-smooth);
}

.progetti-calia .title-row{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
}

.progetti-calia .project-trigger h3{
  font-family:'Plus Jakarta Sans', sans-serif;
  font-size:34px;
  margin:0;
  text-transform:capitalize;
  color:var(--text-dark);
  transition:var(--transition-smooth);
}

.progetti-calia .project-number{
  font-family:'Inter', sans-serif;
  font-size:14px;
  color:#bbb;
  font-weight:400;
}

.progetti-calia .scopri-btn{
  display:block;
  margin-top:6px;
  font-size:11px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:1.5px;
  color:var(--calia-red);
  opacity:0;
  transform:translateY(8px);
  transition:var(--transition-smooth);
  text-decoration:none;
}

/* Stato Active & Hover */
.progetti-calia .project-trigger:hover h3,
.progetti-calia .project-trigger.active h3{
  color:var(--calia-red);
  transform:translateX(12px);
}

.progetti-calia .project-trigger:hover .scopri-btn,
.progetti-calia .project-trigger.active .scopri-btn{
  opacity:1;
  transform:translateY(0);
}

/* Mobile */
@media (max-width:1024px){
  .progetti-calia .progetti-wrapper{ grid-template-columns:1fr; gap:40px; }
  .progetti-calia .visual-container{ position:relative; top:0; height:380px; }
  .progetti-calia .project-trigger h3{ font-size:28px; }
}