/* ==================================================
  CPT - PRODOTTO
  ================================================== */

.pd-breadcrumb {
  padding: 7rem 4rem 0;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--grigio-chiaro);
}
.pd-breadcrumb a { color: var(--grigio-chiaro); text-decoration: none; transition: color 0.2s; }
.pd-breadcrumb a:hover { color: var(--fiamma); }
.pd-breadcrumb .sep { margin: 0 0.5rem; opacity: 0.4; }
.pd-breadcrumb .current { color: var(--grigio-40); }

/* Header prodotto: foto grande + info essenziali */
.pd-header {
  padding: 2.5rem 4rem 5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.pd-header-photo {
  position: relative;
  background: var(--carbone);
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 4/5;
}
.pd-header-photo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
  padding: 2rem;
}
.pd-header-badge {
  position: absolute;
  top: 1.2rem; left: 1.2rem;
  background: var(--fiamma);
  color: var(--bianco);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
}
.pd-header-info {}
.pd-eyebrow {
  font-size: 0.62rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--fiamma);
  margin-bottom: 1rem;
}
.pd-title {
  font-family: 'Playfair Display', serif;
  font-weight: 900;
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  line-height: 0.95;
  color: var(--bianco);
  margin-bottom: 1.2rem;
}
.pd-title em { font-style: italic; color: var(--fiamma); }
.pd-tagline {
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--grigio-chiaro);
  line-height: 1.75;
  max-width: 460px;
  margin-bottom: 2rem;
}
/* Quick specs riga */
.pd-quickspecs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  margin-bottom: 2rem;
}
.pd-qs-item {
  background: var(--carbone);
  padding: 1rem 1.2rem;
}
.pd-qs-label {
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grigio-chiaro);
  margin-bottom: 0.3rem;
}
.pd-qs-value {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--bianco);
}
.pd-header-actions {
  display: flex;
  gap: 1rem;
}

/* Tab navigazione interna */
.pd-tabs-nav {
  position: sticky;
  top: 78px;
  z-index: 50;
  background: rgba(13,12,11,0.97);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(200,104,26,0.15);
  border-bottom: 1px solid rgba(200,104,26,0.15);
  padding: 0 4rem;
  display: flex;
  gap: 0;
}
.pd-tab-btn {
  padding: 1.1rem 1.6rem;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--grigio-chiaro);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: color 0.25s, border-color 0.25s;
}
.pd-tab-btn:hover { color: var(--grigio-40); }
.pd-tab-btn.active { color: var(--fiamma); border-bottom-color: var(--fiamma); }

.pd-tab-content { display: none; padding: 5rem 4rem; }
.pd-tab-content.active { display: block; }

/* GALLERIA tab */
.pd-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
}
.pd-gallery-item {
  position: relative;
  overflow: hidden;
  background: var(--carbone);
  aspect-ratio: 3/4;
  cursor: pointer;
}
.pd-gallery-item img {
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center bottom;
  padding: 1.2rem;
  transition: transform 0.5s, filter 0.4s;
  filter: brightness(0.85);
}
.pd-gallery-item:hover img { transform: scale(1.04); filter: brightness(1); }
.pd-gallery-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.5rem 1rem 0.8rem;
  background: linear-gradient(transparent, rgba(13,12,11,0.9));
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grigio-chiaro);
  text-align: center;
}

/* DATI TECNICI tab */
.pd-tech-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
}
.pd-tech-table {
  width: 100%;
  border-collapse: collapse;
}
.pd-tech-table tr { border-bottom: 1px solid rgba(255,255,255,0.06); }
.pd-tech-table td {
  padding: 1.1rem 0.5rem;
  font-size: 0.85rem;
}
.pd-tech-table td:first-child { color: var(--grigio-chiaro); }
.pd-tech-table td:last-child { color: var(--grigio-40); font-weight: 500; text-align: right; }
.pd-tech-note {
  font-size: 0.7rem;
  color: var(--grigio-chiaro);
  opacity: 0.7;
  margin-top: 1rem;
  line-height: 1.6;
}
.pd-conto-termico {
  background: var(--grafite);
  padding: 2rem;
  border-left: 3px solid var(--fiamma);
}
.pd-ct-label { font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--fiamma); margin-bottom: 0.6rem; }
.pd-ct-value { font-family: 'Playfair Display', serif; font-size: 2rem; font-weight: 900; color: var(--bianco); margin-bottom: 0.6rem; }
.pd-ct-desc { font-size: 0.78rem; color: var(--grigio-chiaro); line-height: 1.7; }

/* PLUS tab */
.pd-plus-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
}
.pd-plus-item {
  background: var(--carbone);
  padding: 1.8rem 2rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  border: 1px solid rgba(255,255,255,0.03);
}
.pd-plus-icon { color: var(--fiamma); font-size: 1.1rem; flex-shrink: 0; }
.pd-plus-text { font-size: 0.85rem; color: var(--grigio-40); line-height: 1.6; }

/* TECNOLOGIA tab — riusa link a pagina tecnologia */
.pd-tech-link-card {
  background: var(--grafite);
  border: 1px solid rgba(200,104,26,0.2);
  padding: 3rem;
  text-align: center;
}
.pd-tech-link-card p { font-family: 'Inter', sans-serif; font-size: 0.95rem; color: var(--grigio-chiaro); max-width: 480px; margin: 0 auto 1.5rem; line-height: 1.8; }

/* DOCUMENTI tab */
.pd-docs-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.pd-doc-item {
  background: var(--carbone);
  padding: 1.3rem 1.8rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  transition: background 0.25s;
}
.pd-doc-item:hover { background: var(--grafite); }
.pd-doc-icon { color: var(--fiamma); font-size: 1rem; }
.pd-doc-icon svg {width:20px;height:20px;}
.pd-doc-name { font-size: 0.85rem; color: var(--grigio-40); flex: 1; }
.pd-doc-arrow { color: var(--grigio-chiaro); font-size: 0.8rem; }

.pd-doc-item:last-child .pd-doc-arrow {
  transform:rotate(-90deg);
}

@media (max-width: 900px) {
  .pd-breadcrumb { padding: 6rem 1.5rem 0; }
  .pd-header { grid-template-columns: 1fr; gap: 2rem; padding: 2rem 1.5rem 3rem; }
  .pd-tabs-nav { padding: 0 1.5rem; overflow-x: auto; top: 70px; }
  .pd-tab-content { padding: 3rem 1.5rem; }
  .pd-gallery-grid, .pd-plus-list, .pd-coll-grid { grid-template-columns: 1fr 1fr; }
  .pd-tech-grid { grid-template-columns: 1fr; gap: 2rem; }
  .pd-quickspecs { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .pd-gallery-grid, .pd-plus-list, .pd-coll-grid, .pd-quickspecs { grid-template-columns: 1fr; }
}

/* Rimando tecnologia — discreto, solo testuale, in fondo a Plus */
.pd-tech-rimando {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.07);
  font-size: 0.85rem;
  color: var(--grigio-chiaro);
}
.pd-tech-rimando a {
  color: var(--fiamma);
  text-decoration: none;
  border-bottom: 1px solid rgba(200,104,26,0.3);
  transition: border-color 0.2s, color 0.2s;
}
.pd-tech-rimando a:hover { color: var(--ambra); border-color: var(--ambra); }

@media (max-width: 900px) {
}

/* ═══ TAB COLLEZIONI — griglia compatta, scalabile (3 → 6-7+) ═══ */

.pd-coll-intro {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  color: var(--grigio-chiaro);
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: 2rem;
}
.pd-coll-swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
}
.pd-coll-swatch {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 3px;
  text-decoration: none;
  display: block;
  border: 1px solid rgba(255,255,255,0.06);
  transition: border-color 0.25s, transform 0.25s;
}
.pd-coll-swatch:hover {
  border-color: var(--oro);
  transform: translateY(-2px);
}
.pd-coll-swatch img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.72) saturate(1.05);
  transition: transform 0.4s, filter 0.3s;
}
.pd-coll-swatch:hover img { transform: scale(1.06); filter: brightness(0.88) saturate(1.15); }
.pd-coll-swatch-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 0.5rem 0.6rem 0.4rem;
  background: linear-gradient(transparent, rgba(13,12,11,0.92));
}
.pd-coll-swatch-name {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 0.72rem;
  color: var(--bianco);
  line-height: 1.2;
}
.pd-coll-swatch-tag {
  font-size: 0.52rem;
  letter-spacing: 0.05em;
  color: var(--grigio-chiaro);
  margin-top: 0.1rem;
  display: block;
  opacity: 0.85;
}
.pd-coll-footer-link {
  margin-top: 1.5rem;
  font-size: 0.78rem;
  color: var(--grigio-chiaro);
}
.pd-coll-footer-link a {
  color: var(--oro);
  text-decoration: none;
  border-bottom: 1px solid rgba(212,170,90,0.3);
}
.pd-coll-footer-link a:hover { color: var(--ambra); }

@media (max-width: 600px) {
  .pd-coll-swatch-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ═══ SEZIONE COLLEZIONI — separata, tra header e tab ═══ */

.pd-coll-section {
  padding: 0 4rem 4rem;
}
.pd-coll-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.pd-coll-section-title {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--bianco);
}
.pd-coll-section-title em { font-style: italic; color: var(--oro); }
.pd-coll-section-link {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grigio-chiaro);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s;
}
.pd-coll-section-link:hover { color: var(--oro); }

@media (max-width: 900px) {
  .pd-coll-section { padding: 0 1.5rem 3rem; }
}