:root{
  --text-main:#0f172a;
  --text-secondary:#475569;
  --accent:#2563eb;
  --bg-light:#fafafa;
  --border-light:#e5e7eb;
}

*{margin:0;padding:0;box-sizing:border-box}

body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--text-main);
  line-height:1.6;
  background:#fff;
}

body.page-light{background:var(--bg-light)}

.container{
  max-width:1100px;
  margin:0 auto;
  padding:0 24px;
}

img{max-width:100%;display:block}

/* Header progetto */
.project-header{
  padding:90px 0 50px;
}

.project-header h1{
  margin:10px 0 10px;
  letter-spacing:-0.02em;
}

.project-header p{
  max-width:640px;
  color:var(--text-secondary);
}

.back-link{
  display:inline-block;
  margin-bottom:18px;
  font-size:0.95rem;
  color:var(--accent);
  text-decoration:none;
}

.back-link:hover{text-decoration:underline}

/* Masonry layout centrato */
.masonry-center{
  display:flex;
  justify-content:center;
}

.masonry{
  --cols:3;
  --colw:280px;
  --gap:24px;

  column-count:var(--cols);
  column-gap:var(--gap);

  width:min(100%, calc(var(--cols)*var(--colw) + (var(--cols) - 1)*var(--gap)));
  padding-bottom:80px;
}

/* breakpoints */
@media (min-width:1100px){ .masonry{--cols:4} }
@media (max-width:1024px){ .masonry{--cols:3} }
@media (max-width:768px){ .masonry{--cols:2; --colw:240px} }
@media (max-width:480px){ .masonry{--cols:1; --colw:320px} }

/* Card */
.scheda{
  position:relative;
  display:inline-block;
  width:100%;
  margin:0 0 24px;

  border-radius:18px;
  overflow:hidden;
  background:#fff;
  border:1px solid var(--border-light);

  break-inside:avoid;
  transition:transform .25s ease, box-shadow .25s ease;
}

.scheda:hover{
  transform:translateY(-6px);
  box-shadow:0 20px 40px rgba(15,23,42,0.10);
}

.scheda-immagine{
  width:100%;
  height:auto;
  display:block;
}

/* Save */
.salva{
  position:absolute;
  top:12px;
  right:12px;
  padding:8px 14px;

  background:#e60023;
  color:#fff;
  border:none;
  border-radius:999px;
  font-size:0.85rem;
  font-weight:600;

  opacity:0;
  transform:translateY(-4px);
  transition:opacity .2s ease, transform .2s ease;
  cursor:pointer;
  z-index:3;
}

.scheda:hover .salva{
  opacity:1;
  transform:translateY(0);
}

/* Barra bassa */
.barra-bassa{
  position:absolute;
  left:12px;
  right:12px;
  bottom:12px;

  display:flex;
  align-items:center;
  gap:10px;

  padding:10px 12px;
  border-radius:14px;

  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(8px);

  opacity:0;
  transform:translateY(10px);
  transition:opacity .2s ease, transform .2s ease;

  pointer-events:none;
  z-index:2;
}

.scheda:hover .barra-bassa{
  opacity:1;
  transform:translateY(0);
  pointer-events:auto;
}

.link-basso{
  flex:1;
  display:inline-flex;
  align-items:center;
  gap:8px;

  text-decoration:none;
  color:var(--text-main);
  font-size:0.85rem;

  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.testo-link{overflow:hidden;text-overflow:ellipsis}

.tondo{
  width:34px;
  height:34px;
  padding:0;
  border-radius:999px;
  border:none;
  background:#e5e7eb;

  display:inline-flex;
  align-items:center;
  justify-content:center;

  cursor:pointer;
}

.tondo:hover{background:#dbe2ea}

.icona{
  width:16px;
  height:16px;
  object-fit:contain;
}