/* =============================================
   CARPAS PUERTO MONTT — telas.css
   Estilos exclusivos de telas.html
   ============================================= */

/* ── HERO TELAS ── */
.hero-bg-telas {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('resources/image_telas.webp');
  background-size: cover; background-position: center;
  opacity: 0.45;
}
.hero-gradient-telas {
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 30%, rgba(0,0,0,0.2) 100%);
}

/* ── SECCIÓN PRINCIPAL ── */
.telas-section { padding: 5rem; background: var(--white); }
.telas-intro { max-width: 700px; margin-bottom: 3rem; }
.telas-intro p { font-size: 1rem; color: var(--midgray); line-height: 1.7; margin-bottom: 1rem; }

/* ── LAYOUT IMAGEN + TABLA ── */
.telas-layout {
  display: flex; align-items: center;
  gap: 3rem; margin-bottom: 4rem; background: var(--white);
}
.telas-foto { flex: 0 0 340px; background: var(--white); }
.telas-foto img { width: 100%; display: block; }
.telas-tabla { flex: 1; overflow-x: auto; min-width: 0; position: relative; }
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  position: relative;
  padding: 0 1rem;
  box-sizing: border-box;
}
.table-responsive::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 80px;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.95) 60%, rgba(255,255,255,1) 100%);
}
.table-responsive::-webkit-scrollbar { height: 7px; }
.table-responsive::-webkit-scrollbar-thumb { background: rgba(232,78,15,0.35); border-radius: 999px; }
.table-responsive table { min-width: 520px; width: 100%; }

/* ── TABLA ESPECIFICACIONES ── */
.specs-full { width: 100%; border-collapse: collapse; }
.specs-full th {
  font-family: var(--font-mono); font-size: .65rem;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--orange); padding: .8rem 1.2rem;
  border-bottom: 2px solid var(--orange);
  text-align: left; background: var(--white);
}
.specs-full td {
  padding: .9rem 1.2rem; font-size: .88rem; color: var(--darkgray);
  border-bottom: 1px solid #eee; vertical-align: middle;
  background: var(--white);
}
.specs-full tr:hover td { background: var(--orange3); }
.specs-full td strong { display: block; color: var(--black); font-size: .95rem; margin-bottom: 2px; }
.badge-premium {
  display: inline-block; background: var(--orange); color: var(--white);
  font-size: .55rem; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 2px 6px; margin-left: 6px; vertical-align: middle;
}

/* ── CARACTERÍSTICAS TÉCNICAS ── */
.features-title {
  font-family: var(--font-mono); font-size: .7rem;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--orange); margin-bottom: 2rem;
  display: flex; align-items: center; gap: .8rem;
}
.features-title::after { content: ''; flex: 1; height: 1px; background: #eee; }
.features-grid {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 3px; margin-bottom: 4rem;
}
.feat-card {
  background: var(--lightgray); padding: 2rem 1.8rem;
  border-left: 3px solid transparent; transition: all .2s;
}
.feat-card:hover { border-left-color: var(--orange); background: var(--orange3); }
.feat-card .icon { margin-bottom: 1rem; }
.feat-card .icon svg { stroke: var(--orange); width: 28px; height: 28px; }
.feat-card h4 {
  font-family: var(--font-display); font-size: 1.1rem;
  letter-spacing: 2px; color: var(--black); margin-bottom: .5rem;
}
.feat-card p { font-size: .85rem; color: var(--midgray); line-height: 1.6; }

/* ── CTA ── */
.telas-cta {
  background: var(--orange); padding: 3rem 5rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap;
}
.telas-cta h3 { font-family: var(--font-display); font-size: 2rem; letter-spacing: 2px; color: var(--white); }
.btn-cta-white {
  background: var(--white); color: var(--orange);
  padding: .9rem 2rem; font-size: .8rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  text-decoration: none; transition: all .2s; white-space: nowrap;
}
.btn-cta-white:hover { background: var(--black); color: var(--white); }

/* ── BOTÓN VOLVER FLOTANTE ── */
.btn-back {
  position: fixed; bottom: 20px; right: 20px; z-index: 999;
  display: flex; align-items: center; gap: .6rem;
  background-color: rgba(0,0,0,0.6); color: var(--white);
  border: 1px solid #ffffff;
  padding: .75rem 1.4rem; font-family: var(--font-body); font-size: .72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.5px;
  text-decoration: none; border-radius: 4px;
  backdrop-filter: blur(5px);
  transition: all .3s ease;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
.btn-back:hover {
  background-color: var(--orange); color: var(--white);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(232,78,15,0.4);
}
@media (max-width: 768px) {
  .btn-back { bottom: 15px; right: 15px; padding: .6rem 1.1rem; font-size: .68rem; }
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .telas-section { padding: 3rem 1.5rem; }
  .telas-layout { flex-direction: column; gap: 2rem; }
  .telas-foto { flex: none; width: 100%; }
  .features-grid { grid-template-columns: 1fr; }
  .telas-cta { padding: 2.5rem 1.5rem; flex-direction: column; align-items: flex-start; }

  /* Tabla: estilo más amigable en tablet/móvil */
  .table-responsive::after { display: none; }
  .specs-full { font-size: .86rem; }
  .specs-full th, .specs-full td { padding: .75rem .7rem; }
  .specs-full th { font-size: .7rem; }

  /* Accordion / cards para tablet y móviles */
  .specs-full { border: 0; }
  .specs-full thead { display: none; }

  .specs-full, .specs-full tbody, .specs-full tr, .specs-full td { display: block; width: 100%; }
  .specs-full tr {
    margin-bottom: 1.2rem;
    border-bottom: 1px solid #eee;
    border-radius: 10px;
    background: rgba(255,255,255,0.9);
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
    cursor: pointer;
    overflow: hidden;
  }

  /* Modo colapsado: solo muestra el primer campo + indicador */
  .specs-full td { display: none; padding: .75rem 1rem; }
  .specs-full td:first-child {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .specs-full td:first-child::after {
    content: '▾';
    margin-left: .6rem;
    font-size: 1.2rem;
    color: var(--orange);
    transition: transform .2s ease;
  }

  /* Modo expandido: muestra todos los campos */
  .specs-full tr.expanded td {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: .25rem;
  }
  .specs-full tr.expanded td:first-child {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  .specs-full tr.expanded td:first-child::after {
    transform: rotate(180deg);
  }

  .specs-full td::before {
    content: attr(data-label);
    font-size: .62rem;
    font-weight: 700;
    color: var(--orange);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    white-space: nowrap;
    margin-bottom: 1px;
  }
  .specs-full td:first-child::before { display: none; }
  .specs-full td:nth-child(2)::before { content: "Espesor"; }
  .specs-full td:nth-child(3)::before { content: "Gramaje"; }
  .specs-full td:nth-child(4)::before { content: "Resistencia"; }
  .specs-full td:nth-child(5)::before { content: "Uso principal"; }

  .specs-full td strong { display: inline; }
  .telas-tabla { overflow-x: visible; width: 100%; }
  .table-responsive { padding: 0; overflow-x: visible; }
  .table-responsive table { min-width: 0; width: 100%; }
}