/* ============================================================
   SIFORMA — produto.css
   ============================================================ */

/* ── Page wrappers above footer ──────────────────────────── */
#prod-content,
#prod-not-found {
  position: relative;
  z-index: 1;
  background: var(--branco);
}

/* ── Hero layout ──────────────────────────────────────────── */
.prod-hero {
  display: grid;
  grid-template-columns: 46fr 54fr;
  height: 100vh;
  align-items: start;
}

/* ── Info panel ───────────────────────────────────────────── */
.prod-hero-info {
  background: #fff;
  padding: calc(var(--nav-h) + 8px) 56px 40px 72px;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0;

  /* subtle fade-in from left */
  animation: prodInfoIn 0.6s 0.1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes prodInfoIn {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* scrollbar invisible but functional */
.prod-hero-info::-webkit-scrollbar { width: 0; }

/* ── Back link ────────────────────────────────────────────── */
.prod-back-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grafite-cla);
  margin-bottom: 32px;
  transition: color 0.2s;
}
.prod-back-link:hover { color: var(--verde); }
.prod-back-link svg { transition: transform 0.2s; }
.prod-back-link:hover svg { transform: translateX(-3px); }

/* ── Product info ─────────────────────────────────────────── */
.prod-marca-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--verde);
  display: block;
  margin-bottom: 12px;
}

.prod-nome {
  font-size: clamp(24px, 2.8vw, 44px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--grafite-esc);
  margin-bottom: 18px;
}

.prod-descricao-text {
  font-size: 15px;
  line-height: 1.70;
  color: var(--grafite-cla);
  margin-bottom: 24px;
  max-width: 440px;
}

.prod-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.prod-cat-badge {
  padding: 5px 13px;
  border: 1px solid #DDDDD8;
  border-radius: 40px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--grafite-cla);
}

.prod-cap-badge {
  padding: 5px 13px;
  background: var(--verde);
  border-radius: 40px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: #fff;
}

.prod-aplicacoes { margin-bottom: 28px; }

.prod-aplicacoes-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--grafite-cla);
  margin-bottom: 9px;
}

.prod-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.prod-tags-row span {
  padding: 4px 12px;
  background: var(--off-white);
  border-radius: 40px;
  font-size: 12px;
  font-weight: 600;
  color: var(--grafite);
}

.prod-hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.prod-wpp-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  background: var(--verde);
  color: #fff;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  transition: background 0.25s;
  width: fit-content;
}
.prod-wpp-cta:hover { background: var(--verde-forte); }

.prod-calc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grafite-cla);
  transition: color 0.25s, gap 0.25s;
}
.prod-calc-link:hover { color: var(--verde); gap: 10px; }

/* ── Carousel panel (right) ───────────────────────────────── */
.prod-hero-carousel {
  position: relative;
  height: 100vh;
  overflow: hidden;
  background: #EDECEA;
  animation: prodCarIn 0.7s 0.05s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes prodCarIn {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}

.prod-car-slides {
  position: absolute;
  inset: 0;
}

/* each slide stacks absolutely; transform-driven by JS */
.prod-car-slide {
  position: absolute;
  inset: 0;
  overflow: hidden;
  will-change: transform;
}

.prod-car-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* sticky hero modifier added by JS when multi-image on desktop */
.prod-hero--sticky {
  position: sticky;
  top: 0;
}

/* progress bar */
.prod-car-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(0,0,0,0.10);
  z-index: 4;
}
.prod-car-fill {
  height: 100%;
  width: 0%;
  background: var(--verde);
}

/* slide counter */
.prod-car-counter {
  position: absolute;
  bottom: 20px;
  right: 24px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: rgba(0,0,0,0.35);
  z-index: 30;
  font-variant-numeric: tabular-nums;
}

/* arrow buttons */
.prod-car-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(0,0,0,0.08);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--grafite);
  box-shadow: 0 2px 14px rgba(0,0,0,0.10);
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.prod-car-btn:hover {
  background: var(--verde);
  color: #fff;
  transform: translateY(-50%) scale(1.07);
}
.prod-car-prev { left: 18px; }
.prod-car-next { right: 18px; }

/* ── Details section (specs + características side by side) ── */
.prod-details-section {
  padding: 88px 0;
  background: #fff;
  border-top: 1px solid #EBEBEA;
}

.prod-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.prod-section-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--grafite-cla);
  margin-bottom: 32px;
}

/* Specs table */
.prod-specs-table {
  width: 100%;
  border-collapse: collapse;
}
.prod-specs-table tr { border-bottom: 1px solid #EBEBEA; }
.prod-specs-table td { padding: 14px 0; font-size: 14px; vertical-align: top; }
.prod-specs-table td:first-child {
  color: var(--grafite-cla);
  width: 42%;
  padding-right: 20px;
}
.prod-specs-table td:last-child { font-weight: 600; color: var(--grafite-esc); }

/* Características list */
.prod-carac-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  list-style: none;
}
.prod-carac-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--grafite);
  line-height: 1.5;
}
.prod-carac-list li::before {
  content: '';
  width: 7px;
  height: 7px;
  min-width: 7px;
  border-radius: 50%;
  background: var(--verde);
  margin-top: 7px;
}

/* ── Downloads ────────────────────────────────────────────── */
.prod-downloads {
  padding: 80px 0;
  background: var(--off-white);
  border-top: 1px solid #EBEBEA;
}

.prod-downloads-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.prod-dl-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: #fff;
  border-radius: 10px;
  border: 1px solid #E8E8E5;
  text-decoration: none;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.prod-dl-btn:hover {
  border-color: var(--verde);
  box-shadow: 0 4px 20px rgba(104,160,74,0.12);
  transform: translateY(-2px);
}
.prod-dl-btn--disabled {
  opacity: 0.35;
  pointer-events: none;
}

.prod-dl-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--off-white);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--verde);
}
.prod-dl-btn--disabled .prod-dl-icon { color: var(--grafite-cla); }

.prod-dl-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 0;
}
.prod-dl-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--grafite-esc);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.prod-dl-sub {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--grafite-cla);
}

.prod-dl-arrow {
  color: var(--verde);
  min-width: 16px;
  opacity: 0;
  transition: opacity 0.2s;
}
.prod-dl-btn:hover .prod-dl-arrow { opacity: 1; }

/* ── Related products ─────────────────────────────────────── */
.prod-related {
  padding: 80px 0;
  background: #fff;
  border-top: 1px solid #EBEBEA;
}
.prod-related-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 40px;
}
.prod-marca-rel-name { color: var(--verde); }
.prod-ver-todos {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grafite-cla);
  transition: color 0.25s;
}
.prod-ver-todos:hover { color: var(--verde); }

.prod-related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.prod-rel-card {
  display: flex;
  flex-direction: column;
  background: var(--off-white);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}
.prod-rel-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.09);
}
.prod-rel-img {
  aspect-ratio: 4/3;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}
.prod-rel-img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.prod-rel-info { padding: 14px 18px 18px; }
.prod-rel-marca {
  font-size: 10px; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--verde); margin-bottom: 5px;
}
.prod-rel-nome { font-size: 13px; font-weight: 700; color: var(--grafite-esc); line-height: 1.3; margin-bottom: 4px; }
.prod-rel-cap { font-size: 12px; color: var(--grafite-cla); }

/* ── CTA final ────────────────────────────────────────────── */
.prod-cta { padding: 96px 0; background: var(--grafite-esc); }
.prod-cta-inner { max-width: 680px; }
.prod-cta-inner h2 { color: var(--branco); margin-top: 16px; }
.prod-cta-inner p { color: rgba(255,255,255,0.50); margin-top: 16px; font-size: 16px; line-height: 1.65; }
.prod-cta-btns { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 40px; }
.prod-cta-btns .btn-whatsapp,
.prod-cta-btns .btn-outline-dark { padding: 14px 28px; font-size: 14px; }
.btn-outline-dark {
  display: inline-flex; align-items: center; padding: 14px 28px;
  border: 1px solid rgba(255,255,255,0.22); border-radius: var(--radius);
  font-size: 14px; font-weight: 700; color: rgba(255,255,255,0.70);
  transition: border-color 0.25s, color 0.25s;
}
.btn-outline-dark:hover { border-color: var(--verde); color: var(--verde); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .prod-hero {
    grid-template-columns: 1fr;
    height: auto;
  }
  .prod-hero-carousel {
    height: 55vw;
    min-height: 300px;
    order: -1;
  }
  .prod-hero-info {
    height: auto;
    padding: 40px 40px 56px;
    overflow-y: visible;
  }
  .prod-back-link { margin-top: 0; }
  .prod-related-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-details-grid { grid-template-columns: 1fr; gap: 48px; }
  .prod-downloads-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .prod-hero-carousel { height: 60vw; }
  .prod-hero-info { padding: 32px 20px 48px; }
  .prod-nome { font-size: 24px; }
  .prod-specs-section { padding: 56px 0; }
  .prod-related-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .prod-cta-btns { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  .prod-hero-info,
  .prod-hero-carousel { animation: none; opacity: 1; transform: none; }
  .prod-car-slide     { transition: none !important; }
  .prod-rel-card      { transition: none; }
}