/* ─── PORTFOLIO ─── */
#portfolio { background: var(--bg); }

.portfolio-header {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 72px;
  max-width: 720px;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 300px;
  gap: 12px;
}

.project-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.project-card:nth-child(1) { grid-column: span 7; grid-row: span 2; }
.project-card:nth-child(2) { grid-column: span 5; }
.project-card:nth-child(3) { grid-column: span 5; }
.project-card:nth-child(4) { grid-column: span 4; }
.project-card:nth-child(5) { grid-column: span 4; }
.project-card:nth-child(6) { grid-column: span 4; }

.project-inner {
  position: relative;
  height: 100%;
}

.project-bg {
  position: absolute;
  inset: 0;
  transition: transform .6s ease;
}

.project-card:hover .project-bg { transform: scale(1.04); }

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgba(26,24,20,.82) 0%,
    rgba(26,24,20,.12) 55%,
    transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
  transition: background .4s;
}

.project-card:hover .project-overlay {
  background: linear-gradient(to top,
    rgba(26,24,20,.92) 0%,
    rgba(26,24,20,.48) 100%);
}

.project-tag {
  font-size: .65rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--green-pale);
  margin-bottom: 8px;
  display: block;
}

.project-name {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 8px;
  color: #F7F4EF;
}

.project-card:nth-child(1) .project-name { font-size: 2.1rem; }

.project-desc {
  font-size: .8rem;
  color: rgba(247,244,239,.75);
  line-height: 1.6;
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, opacity .3s;
  opacity: 0;
}

.project-card:hover .project-desc {
  max-height: 80px;
  opacity: 1;
}

.project-arrow {
  position: absolute;
  top: 24px; right: 24px;
  width: 34px; height: 34px;
  border: 1px solid rgba(247,244,239,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #F7F4EF;
  opacity: 0;
  transform: translateY(-6px);
  transition: all .3s;
}

.project-card:hover .project-arrow {
  opacity: 1;
  transform: translateY(0);
}

/* Project card backgrounds */
.bg-1 { background-color: #1E2D27; background-image: url('../images/portfolio/divina-pizzeria.jpg'); background-size: cover; background-position: center; }
.bg-2 { background-color: #2A2010; background-image: url('../images/portfolio/givaro.jpg'); background-size: cover; background-position: center; }
.bg-3 { background-color: #1A2535; background-image: url('../images/portfolio/divina-beach.jpg'); background-size: cover; background-position: center; }
.bg-4 { background-color: #2D1A10; background-image: url('../images/portfolio/trullo.jpg'); background-size: cover; background-position: center; }
.bg-5 { background-color: #1A2820; background-image: url('../images/portfolio/kuma.jpg'); background-size: cover; background-position: center; }
.bg-6 { background-color: #28201A; background-image: url('../images/portfolio/opunzia.jpg'); background-size: cover; background-position: center; }

/* Descrizioni e frecce sempre visibili su touch (no hover) */
@media (hover: none) {
  .project-desc {
    max-height: 80px;
    opacity: 1;
  }
  .project-arrow {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .portfolio-header { flex-direction: column; align-items: flex-start; gap: 20px; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .project-card:nth-child(n) { grid-column: span 1; grid-row: span 1; }
  .project-card:nth-child(1) { grid-column: span 2; }
}

@media (max-width: 640px) {
  .portfolio-grid { grid-template-columns: 1fr; gap: 8px; grid-auto-rows: 260px; }
  .project-card:nth-child(n) { grid-column: span 1; }
  .project-overlay { padding: 24px; }
  .project-name { font-size: 1.3rem; }
  .project-card:nth-child(1) .project-name { font-size: 1.5rem; }
}