/* ─────────────────────────────────────────────────────────────────────────────
   ANTHOLOGY FLOORING — Ficha técnica de producto
   Estilos específicos de las páginas /productos/*.html
   Hereda tokens de ../style.css
   ───────────────────────────────────────────────────────────────────────────── */

/* Nav siempre sólida en fichas (no hay hero translúcido detrás) */
.nav.nav-solid {
  background: #08080A;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

/* ─── BREADCRUMB ─────────────────────────────────────────────────────────── */
.ficha-breadcrumb {
  padding: 6.5rem 1.5rem 1rem;
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  gap: .65rem;
  align-items: center;
}
.ficha-breadcrumb a {
  color: var(--mid);
  transition: color var(--transition);
}
.ficha-breadcrumb a:hover { color: var(--gold-dark); }
.ficha-breadcrumb span[aria-hidden] { color: var(--muted); opacity: .5; }

/* ─── PRODUCT HEAD ───────────────────────────────────────────────────────── */
.ficha-head {
  padding: 1rem 0 5rem;
  background: var(--white);
}

.ficha-head-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 4rem;
  align-items: start;
}

/* Gallery */
.ficha-gallery-main {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--cream);
  box-shadow: var(--shadow-md);
}
.ficha-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 70%;
  transition: opacity .25s ease;
}
.ficha-gallery-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: .35rem .75rem;
  background: rgba(8,8,10,.85);
  color: var(--gold);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  border: 1px solid var(--gold);
  z-index: 2;
}

/* Overlay con nombre del color sobre la imagen principal */
.ficha-gallery-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.5rem 1.4rem 1.25rem;
  background: linear-gradient(to top, rgba(8,8,10,.78) 0%, rgba(8,8,10,.4) 60%, transparent 100%);
  color: var(--white);
  display: flex;
  flex-direction: column;
  gap: .35rem;
  z-index: 2;
}
.ficha-gallery-color {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: .01em;
}
.ficha-gallery-desc {
  font-size: .82rem;
  line-height: 1.5;
  color: rgba(255,255,255,.78);
}

/* ─── COLOR SELECTOR (chips) ───────────────────────────────────────────── */
.color-selector {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: .55rem;
  margin-top: .9rem;
}
@media (max-width: 1100px) {
  .color-selector { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 480px) {
  .color-selector { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

.cs-chip {
  position: relative;
  padding: 0;
  border: 1px solid rgba(17,17,17,.1);
  background: var(--white);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.cs-chip img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}
.cs-chip-name {
  display: block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--dark);
  padding: .45rem .35rem .5rem;
  text-align: center;
  background: var(--white);
}
.cs-chip:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: var(--shadow-sm);
}
.cs-chip.is-active {
  border-color: var(--gold-dark);
  border-width: 2px;
  box-shadow: 0 0 0 2px rgba(201,204,209,.25);
}
.cs-chip.is-active .cs-chip-name {
  color: var(--black);
  font-weight: 700;
}

.cs-chip-tag {
  position: absolute;
  top: .35rem;
  right: .35rem;
  padding: .15rem .4rem;
  font-size: .58rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: var(--gold);
  color: var(--black);
  border-radius: 2px;
  z-index: 2;
}
.cs-chip-promo {
  outline: 1px solid var(--gold);
}

/* Tag promo en el bloque de precio cuando se selecciona Laurel */
.ficha-price-promo-tag {
  display: inline-block;
  margin-left: .5rem;
  padding: .2rem .55rem;
  background: var(--gold);
  color: var(--black);
  font-family: var(--font-body);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  border-radius: 2px;
  vertical-align: middle;
}

.ficha-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .65rem;
  margin-top: .85rem;
}
.thumb {
  padding: 0;
  border: 1px solid rgba(17,17,17,.1);
  background: transparent;
  cursor: pointer;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), transform var(--transition);
}
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb:hover { transform: translateY(-2px); border-color: var(--gold); }
.thumb.is-active { border-color: var(--gold); border-width: 2px; }

/* Info column */
.ficha-info { padding-top: .5rem; }

.ficha-title {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--dark);
  margin: 0.4rem 0 1.4rem;
}
.ficha-title em {
  font-style: italic;
  color: var(--gold-dark);
}

.ficha-lead {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--mid);
  margin-bottom: 2rem;
}

.ficha-quickfacts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .85rem;
  margin-bottom: 2rem;
}
.qf-item {
  padding: .9rem 1rem;
  border: 1px solid rgba(17,17,17,.08);
  background: var(--cream);
  border-radius: var(--radius-sm);
}
.qf-label {
  display: block;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .3rem;
}
.qf-value {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--dark);
}

.ficha-price {
  padding: 1.4rem 1.5rem;
  background: var(--dark);
  color: var(--white);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--gold);
  margin-bottom: 1.75rem;
}
.ficha-price-label {
  display: block;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: .35rem;
}
.ficha-price-value {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.1;
  margin-bottom: .5rem;
}
.ficha-price-value em {
  font-style: normal;
  font-size: 1rem;
  color: rgba(255,255,255,.55);
  letter-spacing: .04em;
}
.ficha-price-note {
  display: block;
  font-size: .82rem;
  line-height: 1.55;
  color: rgba(255,255,255,.65);
}

.ficha-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}
.btn-outline-dark {
  background: transparent;
  color: var(--dark);
  border-color: rgba(17,17,17,.25);
}
.btn-outline-dark:hover {
  background: var(--dark);
  color: var(--white);
  border-color: var(--dark);
}

/* ─── SPECS ──────────────────────────────────────────────────────────────── */
.ficha-specs {
  padding: var(--section-padding);
}
.specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}
.specs-block {
  background: var(--white);
  padding: 1.75rem 1.85rem;
  border-radius: var(--radius-md);
  border-top: 2px solid var(--gold);
  box-shadow: var(--shadow-sm);
}
.specs-block-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: var(--dark);
}
.specs-dl {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  row-gap: .75rem;
  column-gap: 1rem;
  font-size: .9rem;
}
.specs-dl dt {
  color: var(--muted);
  font-weight: 500;
}
.specs-dl dd {
  color: var(--dark);
  font-weight: 500;
}
.specs-note {
  margin-top: 2rem;
  font-size: .82rem;
  color: var(--muted);
  font-style: italic;
  text-align: center;
}

/* ─── COLORES ─────────────────────────────────────────────────────────────── */
.ficha-colors {
  padding: var(--section-padding);
  background: var(--white);
}
.colors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.color-card {
  background: var(--white);
  border: 1px solid rgba(17,17,17,.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.color-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.color-card-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--cream);
}
.color-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.color-card-img.acc-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--dark);
}
.color-card-img.acc-icon svg {
  width: 64px;
  height: 64px;
}
.color-card-body {
  padding: 1.4rem 1.4rem 1.6rem;
}
.color-card-body h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: .5rem;
  color: var(--dark);
}
.color-card-body p {
  font-size: .9rem;
  line-height: 1.6;
  color: var(--mid);
  margin-bottom: 1rem;
}
.color-card-meta {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  align-items: flex-start;
}
.color-card-price {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--dark);
  letter-spacing: .01em;
}
.color-card-price em {
  font-style: normal;
  color: var(--muted);
  margin: 0 .25rem;
}
.color-card-tag {
  display: inline-block;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold-dark);
  background: rgba(201,204,209,.18);
  padding: .3rem .7rem;
  border-radius: var(--radius-sm);
}
.color-card-tag.promo {
  color: var(--black);
  background: var(--gold);
}
.color-card-promo {
  position: relative;
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

/* ─── COMPOSICIÓN POR CAPAS ──────────────────────────────────────────── */
.ficha-layers {
  padding: var(--section-padding);
}
.layers-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 3rem;
  align-items: center;
}
.layers-text { color: var(--white); }
.layers-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--black);
  border: 1px solid rgba(255,255,255,.06);
}
.layers-img img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}
@media (max-width: 960px) {
  .layers-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ─── INSTALL ─────────────────────────────────────────────────────────────── */
.ficha-install {
  padding: var(--section-padding);
}
.bg-dark { background: var(--dark); color: var(--white); }
.install-grid {
  display: grid;
  grid-template-columns: 1.4fr .9fr;
  gap: 3rem;
  align-items: start;
}
.install-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 500;
  line-height: 1.15;
  color: var(--white);
  margin: .5rem 0 1.5rem;
}
.install-desc {
  font-size: 1.02rem;
  line-height: 1.75;
  color: rgba(255,255,255,.78);
  margin-bottom: 1.5rem;
}
.install-list {
  list-style: none;
  display: grid;
  gap: .75rem;
}
.install-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: .95rem;
  line-height: 1.6;
  color: rgba(255,255,255,.7);
}
.install-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .65rem;
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
}

.install-side {
  display: grid;
  gap: 1.25rem;
}
.install-card {
  padding: 1.75rem 1.6rem;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
}
.install-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: .65rem;
}
.install-card p {
  font-size: .9rem;
  line-height: 1.6;
  color: rgba(255,255,255,.7);
  margin-bottom: 1.25rem;
}
.install-mini-list {
  list-style: none;
  display: grid;
  gap: .5rem;
  margin-bottom: 1.25rem;
}
.install-mini-list li {
  font-size: .9rem;
  color: rgba(255,255,255,.78);
  padding-left: .9rem;
  position: relative;
}
.install-mini-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  top: -.1rem;
  color: var(--gold);
  font-weight: 700;
}

/* ─── CTA FINAL ───────────────────────────────────────────────────────────── */
.ficha-cta-final {
  padding: var(--section-padding);
  background: var(--cream);
}
.cta-final-wrap {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 2.5rem;
  align-items: end;
}
.cta-final-actions {
  display: flex;
  flex-direction: column;
  gap: .65rem;
}
.cta-final-actions .btn { justify-content: center; }

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .ficha-head-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .specs-grid { grid-template-columns: 1fr; }
  .colors-grid { grid-template-columns: repeat(2, 1fr); }
  .install-grid { grid-template-columns: 1fr; gap: 2rem; }
  .cta-final-wrap { grid-template-columns: 1fr; gap: 1.5rem; }
}

@media (max-width: 640px) {
  .ficha-breadcrumb { padding-top: 5.5rem; }
  .ficha-head { padding-bottom: 3rem; }
  .ficha-quickfacts { grid-template-columns: 1fr; }
  .colors-grid { grid-template-columns: 1fr; }
  .ficha-ctas { flex-direction: column; }
  .ficha-ctas .btn { width: 100%; justify-content: center; }
  .ficha-gallery-thumbs { grid-template-columns: repeat(4, 1fr); }
}