/* ============================================================
   GARRETT BRASIL — product.css
   Stylesheet for individual product pages (produtos/*.html)
   ============================================================ */

/* ----------------------------------------------------------
   1. PRODUCT HERO
   ---------------------------------------------------------- */
.prod-hero {
  margin-top: var(--nav-h);
  background: var(--clr-darker);
  padding: 48px 0 56px;
  border-bottom: 1px solid var(--clr-border);
}

.prod-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

/* ------ Gallery ------ */
.prod-gallery {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.prod-gallery__main {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--clr-darkest);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: zoom-in;
}

.prod-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
}

.prod-gallery__main:hover img {
  transform: scale(1.04);
}

.prod-gallery__zoom-hint {
  position: absolute;
  bottom: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: rgba(0,0,0,0.6);
  border-radius: var(--radius-xl);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.7);
  pointer-events: none;
}

.prod-gallery__thumbs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.prod-gallery__thumb {
  width: 72px;
  height: 54px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition), opacity var(--transition);
  flex-shrink: 0;
  background: var(--clr-darkest);
}

.prod-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.prod-gallery__thumb:hover {
  border-color: rgba(240,196,0,0.4);
  opacity: 1;
}

.prod-gallery__thumb.active {
  border-color: var(--clr-gold);
}

/* ------ Product Info ------ */
.prod-info {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.prod-info__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 0.78rem;
  color: var(--clr-muted);
}

.prod-info__breadcrumb a {
  color: var(--clr-muted);
  transition: color var(--transition);
}

.prod-info__breadcrumb a:hover { color: var(--clr-gold); }

.prod-info__breadcrumb .sep {
  color: var(--clr-border);
  font-size: 0.65rem;
}

.prod-info__breadcrumb .current { color: var(--clr-gold); }

.prod-info__badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.prod-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-xl);
  font-family: var(--font-head);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.prod-badge--hot  { background: rgba(240,196,0,0.15); color: var(--clr-gold); border: 1px solid rgba(240,196,0,0.3); }
.prod-badge--sale { background: rgba(224,90,0,0.15);  color: #f07040; border: 1px solid rgba(224,90,0,0.25); }
.prod-badge--new  { background: rgba(33,129,137,0.15); color: var(--clr-teal); border: 1px solid rgba(33,129,137,0.3); }
.prod-badge--out  { background: rgba(255,255,255,0.05); color: var(--clr-muted); border: 1px solid var(--clr-border); }

.prod-info__brand {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-teal);
  margin-bottom: 6px;
}

.prod-info__name {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--clr-white);
  line-height: 1.1;
  margin-bottom: 12px;
}

.prod-info__subtitle {
  font-size: 0.95rem;
  color: var(--clr-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}

/* Quick specs list in hero */
.prod-info__quick-specs {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 24px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
}

.quick-spec {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--clr-text);
}

.quick-spec i {
  color: var(--clr-teal);
  width: 14px;
  font-size: 0.78rem;
  flex-shrink: 0;
}

.quick-spec strong {
  color: var(--clr-white);
  font-weight: 500;
  margin-right: 4px;
}

/* Pricing in hero */
.prod-info__pricing {
  margin-bottom: 24px;
}

.prod-info__old-price {
  font-size: 0.85rem;
  color: var(--clr-muted);
  text-decoration: line-through;
  margin-bottom: 2px;
}

.prod-info__price {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--clr-gold);
  line-height: 1;
  margin-bottom: 4px;
}

.prod-info__parcel {
  font-size: 0.82rem;
  color: var(--clr-muted);
}

.prod-info__consulta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: rgba(33,129,137,0.1);
  border: 1px solid rgba(33,129,137,0.3);
  border-radius: var(--radius-md);
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-teal);
}

/* CTA buttons in hero */
.prod-info__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.prod-info__actions .btn {
  flex: 1;
  min-width: 140px;
  justify-content: center;
  white-space: nowrap;
}

/* ----------------------------------------------------------
   2. PRODUCT TABS NAVIGATION
   ---------------------------------------------------------- */
.prod-tabs-nav {
  background: var(--clr-darker);
  border-bottom: 1px solid var(--clr-border);
  position: sticky;
  top: var(--nav-h);
  z-index: 88;
}

.prod-tabs-nav__inner {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.prod-tabs-nav__inner::-webkit-scrollbar { display: none; }

.prod-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 16px 22px;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-muted);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.prod-tab-btn i { font-size: 0.8rem; }

.prod-tab-btn:hover {
  color: var(--clr-white);
  background: rgba(255,255,255,0.03);
}

.prod-tab-btn.active {
  color: var(--clr-gold);
  border-bottom-color: var(--clr-gold);
  background: rgba(240,196,0,0.05);
}

/* ----------------------------------------------------------
   3. PRODUCT CONTENT AREA
   ---------------------------------------------------------- */
.prod-content {
  padding: 52px 0 80px;
}

.prod-content__grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  align-items: start;
}

/* Tab panels */
.prod-tab-panel {
  display: none;
}

.prod-tab-panel.active {
  display: block;
}

/* ------ Description Tab ------ */
.prod-desc__lead {
  font-size: 1.05rem;
  color: var(--clr-white);
  line-height: 1.75;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--clr-border);
}

.prod-desc__section {
  margin-bottom: 32px;
}

.prod-desc__section-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-gold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.prod-desc__section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, rgba(240,196,0,0.2), transparent);
}

.prod-desc__text {
  font-size: 0.93rem;
  color: var(--clr-text);
  line-height: 1.75;
}

/* Benefits grid */
.prod-benefits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 6px;
}

.prod-benefit {
  display: flex;
  gap: 12px;
  padding: 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), background var(--transition);
}

.prod-benefit:hover {
  border-color: rgba(240,196,0,0.2);
  background: rgba(240,196,0,0.04);
}

.prod-benefit__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(33,129,137,0.15);
  border: 1px solid rgba(33,129,137,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-teal);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.prod-benefit__title {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 4px;
}

.prod-benefit__desc {
  font-size: 0.8rem;
  color: var(--clr-muted);
  line-height: 1.5;
}

/* Applications list */
.prod-applications {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.prod-application {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(255,255,255,0.03);
  border-left: 3px solid var(--clr-teal);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  transition: background var(--transition);
}

.prod-application:hover {
  background: rgba(33,129,137,0.06);
}

.prod-application__icon {
  color: var(--clr-teal);
  font-size: 1rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.prod-application__title {
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 3px;
}

.prod-application__desc {
  font-size: 0.8rem;
  color: var(--clr-muted);
  line-height: 1.5;
}

/* ------ Specs Tab ------ */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}

.specs-table th,
.specs-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--clr-border);
  font-size: 0.88rem;
}

.specs-table thead th {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-muted);
  background: rgba(255,255,255,0.03);
  padding: 10px 16px;
}

.specs-table tbody tr:hover td {
  background: rgba(255,255,255,0.02);
}

.specs-table td:first-child {
  color: var(--clr-muted);
  font-weight: 500;
  width: 220px;
}

.specs-table td:last-child {
  color: var(--clr-white);
}

.specs-category {
  background: rgba(240,196,0,0.06) !important;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-gold) !important;
  padding: 8px 16px !important;
  border-bottom: 1px solid rgba(240,196,0,0.15) !important;
  border-top: 1px solid rgba(240,196,0,0.15) !important;
}

/* Certifications */
.cert-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.cert-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(240,196,0,0.06);
  border: 1px solid rgba(240,196,0,0.2);
  border-radius: var(--radius-md);
}

.cert-item__icon {
  width: 32px;
  height: 32px;
  background: rgba(240,196,0,0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-gold);
  font-size: 0.9rem;
}

.cert-item__name {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--clr-gold);
}

.cert-item__desc {
  font-size: 0.72rem;
  color: var(--clr-muted);
}

/* ------ Videos Tab ------ */
.prod-videos {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

/* ------ Video Item ------ */
.prod-video-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.prod-video-item__title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-white);
  display: flex;
  align-items: center;
  gap: 8px;
}

.prod-video-item__title .fa-youtube {
  color: #ff0000;
  font-size: 1.1rem;
}

.prod-video-item__desc {
  font-size: 0.85rem;
  color: var(--clr-muted);
  margin-top: -2px;
  line-height: 1.55;
}

/* ── 16:9 Video Container ──────────────────────────────────
   Uses aspect-ratio (modern) — no padding-bottom hack needed.
   iframe/video fill the box without position:absolute tricks. */
.prod-video-item__embed,
.video-container {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.55);
}

.prod-video-item__embed iframe,
.video-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.prod-video-item__embed video,
.video-container video {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  object-fit: contain;
}

/* Legacy classes — kept for compatibility */
.prod-video {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.prod-video__title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-white);
}

.prod-video__desc {
  font-size: 0.85rem;
  color: var(--clr-muted);
  margin-top: -6px;
}

.prod-video__embed {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 12px;
  background: #000;
}

.prod-video__embed iframe,
.prod-video__embed video {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ------ Diferentials Tab ------ */
.prod-diff {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.prod-diff-item {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition);
}

.prod-diff-item:hover {
  border-color: rgba(240,196,0,0.25);
}

.prod-diff-item__num {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 800;
  color: rgba(240,196,0,0.2);
  line-height: 1;
  flex-shrink: 0;
  width: 40px;
  text-align: right;
}

.prod-diff-item__content {}

.prod-diff-item__title {
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 5px;
}

.prod-diff-item__desc {
  font-size: 0.85rem;
  color: var(--clr-muted);
  line-height: 1.6;
}

/* ------ Documentos / Certificações Tab ------ */
.prod-docs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  padding: 4px 0;
}

.prod-doc {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), background var(--transition);
}

.prod-doc:hover {
  border-color: rgba(240,196,0,0.2);
  background: rgba(240,196,0,0.03);
}

.prod-doc__header {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.prod-doc__icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(240,196,0,0.1);
  border: 1px solid rgba(240,196,0,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-gold);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.prod-doc__meta {
  flex: 1;
  min-width: 0;
}

.prod-doc__title {
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 4px;
  line-height: 1.3;
}

.prod-doc__desc {
  font-size: 0.78rem;
  color: var(--clr-muted);
  line-height: 1.5;
}

.prod-doc__actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
}

.prod-doc__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}

.prod-doc__btn--view {
  background: rgba(33,129,137,0.15);
  border: 1px solid rgba(33,129,137,0.3);
  color: var(--clr-teal);
}

.prod-doc__btn--view:hover {
  background: rgba(33,129,137,0.25);
  border-color: var(--clr-teal);
  color: var(--clr-white);
}

.prod-doc__btn--dl {
  background: rgba(240,196,0,0.1);
  border: 1px solid rgba(240,196,0,0.25);
  color: var(--clr-gold);
}

.prod-doc__btn--dl:hover {
  background: rgba(240,196,0,0.2);
  border-color: var(--clr-gold);
  color: var(--clr-white);
}

/* "Avisar quando disponível" button */
.btn--notify {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--clr-border);
  color: var(--clr-muted);
}

.btn--notify:hover {
  background: rgba(33,129,137,0.12);
  border-color: rgba(33,129,137,0.4);
  color: var(--clr-teal);
}

/* ----------------------------------------------------------
   4. PRODUCT SIDEBAR
   ---------------------------------------------------------- */
.prod-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 60px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.prod-sidebar__card {
  background: var(--clr-darker);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.prod-sidebar__card-head {
  padding: 14px 18px;
  border-bottom: 1px solid var(--clr-border);
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-muted);
}

.prod-sidebar__card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Purchase box */
.prod-sidebar__price {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--clr-gold);
  line-height: 1;
}

.prod-sidebar__parcel {
  font-size: 0.8rem;
  color: var(--clr-muted);
  margin-top: -4px;
}

.prod-sidebar__old-price {
  font-size: 0.82rem;
  color: var(--clr-muted);
  text-decoration: line-through;
}

.prod-sidebar__consulta {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(33,129,137,0.1);
  border: 1px solid rgba(33,129,137,0.25);
  border-radius: var(--radius-md);
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--clr-teal);
}

.prod-sidebar__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px 20px;
  border-radius: var(--radius-lg);
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: none;
}

.prod-sidebar__btn--gold {
  background: var(--clr-gold);
  color: var(--clr-darkest);
}

.prod-sidebar__btn--gold:hover {
  background: var(--clr-gold-dark);
  transform: translateY(-1px);
}

.prod-sidebar__btn--wa {
  background: #25d366;
  color: #fff;
  width: auto;
  align-self: stretch;
  justify-content: center;
}

.prod-sidebar__btn--wa:hover {
  background: #1ebe5d;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}

.prod-sidebar__btn--teal {
  background: transparent;
  color: var(--clr-teal);
  border: 1.5px solid var(--clr-teal);
}

.prod-sidebar__btn--teal:hover {
  background: rgba(33,129,137,0.1);
}

.prod-sidebar__btn--outline {
  background: transparent;
  color: var(--clr-muted);
  border: 1.5px solid var(--clr-border);
}

.prod-sidebar__btn--outline:hover {
  color: var(--clr-white);
  border-color: rgba(255,255,255,0.2);
}

/* ── WhatsApp Button — standalone (fora da sidebar) ──────── */
.whatsapp-container {
  text-align: center;
  margin: 24px 0;
}

.whatsapp-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25d366;
  color: #fff;
  padding: 12px 28px;
  border-radius: 8px;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 12px rgba(37,211,102,0.3);
}

.whatsapp-button:hover {
  background: #1ebe5d;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,211,102,0.4);
  color: #fff;
}

.whatsapp-button i {
  font-size: 1.2rem;
}

/* Feature list in sidebar */
.prod-sidebar__features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.prod-sidebar__feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.83rem;
  color: var(--clr-text);
}

.prod-sidebar__feature i {
  color: var(--clr-teal);
  width: 14px;
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* Guarantee badges */
.prod-sidebar__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.prod-sidebar__badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  font-size: 0.75rem;
  color: var(--clr-muted);
}

.prod-sidebar__badge i {
  color: var(--clr-gold);
  font-size: 0.75rem;
}

/* ----------------------------------------------------------
   5. LIGHTBOX OVERLAY
   ---------------------------------------------------------- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.lightbox.open {
  display: flex;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox__close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  transition: background var(--transition);
}

.lightbox__close:hover { background: rgba(255,255,255,0.2); }

.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--transition);
}

.lightbox__prev:hover,
.lightbox__next:hover { background: rgba(255,255,255,0.22); }

.lightbox__prev { left: 20px; }
.lightbox__next { right: 20px; }

/* ----------------------------------------------------------
   6. RELATED PRODUCTS
   ---------------------------------------------------------- */
.related-products {
  padding: 64px 0;
  background: var(--clr-darker);
  border-top: 1px solid var(--clr-border);
}

.related-products .section__header {
  text-align: left;
  margin-bottom: 28px;
}

.related-products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

/* Related products card body */
.related-products .prod-card__body {
  padding: 16px;
  gap: 5px;
}

/* ----------------------------------------------------------
   6b. RELATED PRODUCTS — IMAGE STANDARDIZATION
   ---------------------------------------------------------- */

/* Image link: becomes the fixed-height container (mirrors catalog .prod-card__img div) */
.prod-card__img-link {
  display: block;
  height: 200px;
  overflow: hidden;
  background: var(--clr-dark);
  position: relative;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

/* Image: fills container with proportional center-crop — no distortion, no gaps */
.prod-card__img-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.4s ease;
}

/* Hover zoom — same as catalog cards */
.prod-card:hover .prod-card__img-link img {
  transform: scale(1.05);
}

/* ----------------------------------------------------------
   6c. UNAVAILABLE / ESGOTADO STATE
   ---------------------------------------------------------- */
.prod-info__unavailable {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--clr-border);
  border-left: 3px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-md);
  margin-bottom: 6px;
}

.prod-info__unavailable > i {
  font-size: 1.3rem;
  color: var(--clr-muted);
  flex-shrink: 0;
}

.prod-info__unavailable-label {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.prod-info__unavailable-hint {
  font-size: 0.78rem;
  color: var(--clr-muted);
  opacity: 0.65;
  margin-top: 3px;
}

.prod-sidebar__unavailable {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.prod-sidebar__unavailable i {
  font-size: 1rem;
  flex-shrink: 0;
}

/* ----------------------------------------------------------
   7. RESPONSIVE
   ---------------------------------------------------------- */
@media (max-width: 1024px) {
  .prod-hero__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .prod-gallery__main {
    aspect-ratio: 4/3;
  }

  .prod-content__grid {
    grid-template-columns: 1fr;
  }

  .prod-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .prod-hero { padding: 32px 0 40px; }

  .prod-tabs-nav__inner {
    gap: 0;
  }

  .prod-tab-btn {
    padding: 14px 16px;
    font-size: 0.78rem;
  }

  .prod-benefits {
    grid-template-columns: 1fr;
  }

  .related-products__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .prod-info__actions {
    flex-direction: column;
  }

  .prod-info__actions .btn {
    flex: none;
    width: 100%;
  }

  .prod-sidebar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .related-products__grid {
    grid-template-columns: 1fr;
  }

  .prod-info__name {
    font-size: 1.8rem;
  }

  .prod-gallery__thumb {
    width: 60px;
    height: 44px;
  }
}

/* ==========================================================
   PRODUCT PAGE — MOBILE OPTIMIZATION
   ========================================================== */

/* ── 768px ──────────────────────────────────────────────── */
@media (max-width: 768px) {

  /* Hero spacing */
  .prod-hero { padding: 28px 0 36px; }

  /* Gallery thumbnails: tighter gap */
  .prod-gallery__thumbs { gap: 6px; }
  .prod-gallery__thumb { width: 64px; height: 48px; }

  /* Tab nav: ensure scroll works, tabs don't wrap */
  .prod-tabs-nav__inner { gap: 0; }
  .prod-tab-btn {
    padding: 13px 15px;
    font-size: 0.77rem;
    min-height: 44px; /* touch target */
    flex-shrink: 0;
  }

  /* Specs table: release fixed first-column width */
  .specs-table td:first-child { width: auto; min-width: 110px; }
  .specs-table th,
  .specs-table td { padding: 11px 12px; }

  /* Docs: force 1 column below 768 */
  .prod-docs { grid-template-columns: 1fr; }

  /* Videos: reduce gap */
  .prod-videos { gap: 28px; }
  .prod-video-item__title { font-size: 0.92rem; }
  .prod-video-item__desc  { font-size: 0.82rem; }

  /* Sidebar cards: tighter padding */
  .prod-sidebar__card-body { padding: 14px; gap: 10px; }
  .prod-sidebar__card-head { padding: 11px 14px; }

  /* Sidebar buttons: full width, big touch target */
  .prod-sidebar__btn {
    min-height: 48px;
    font-size: 0.9rem;
    padding: 13px 16px;
    border-radius: 10px;
  }

  /* Related products header */
  .related-products { padding: 48px 0; }
}

/* ── 480px ──────────────────────────────────────────────── */
@media (max-width: 480px) {

  /* Gallery */
  .prod-gallery__main { border-radius: 10px; }
  .prod-gallery__thumbs { gap: 5px; }
  .prod-gallery__thumb  { width: 52px; height: 40px; border-radius: 6px; }

  /* Tab buttons: icons hidden, text only to save space */
  .prod-tab-btn {
    padding: 12px 10px;
    font-size: 0.72rem;
    letter-spacing: 0.03em;
  }
  .prod-tab-btn i { display: none; }

  /* Product title */
  .prod-info__name { font-size: 1.65rem; }
  .prod-info__subtitle { font-size: 0.9rem; }

  /* Specs: compact font */
  .specs-table th,
  .specs-table td { padding: 9px 10px; font-size: 0.82rem; }
  .specs-table td:first-child { min-width: 100px; font-size: 0.79rem; }

  /* Prevent iOS zoom on table */
  .specs-table { -webkit-text-size-adjust: none; }

  /* Cert items: smaller */
  .cert-item { padding: 8px 12px; }
  .cert-item__icon { width: 28px; height: 28px; font-size: 0.8rem; }

  /* Videos */
  .prod-videos { gap: 24px; }
  .prod-video-item__title { font-size: 0.88rem; }

  /* Sidebar */
  .prod-sidebar__price { font-size: 1.5rem; }
  .prod-sidebar__btn   { min-height: 50px; font-size: 0.88rem; }

  /* Diff items */
  .prod-diff__item { padding: 14px 16px; }
  .prod-diff__number { font-size: 1.8rem; }
}

/* ── 360px ──────────────────────────────────────────────── */
@media (max-width: 360px) {
  .prod-tab-btn { padding: 11px 8px; font-size: 0.68rem; }
  .prod-info__name { font-size: 1.45rem; }
  .prod-gallery__thumb { width: 46px; height: 36px; }
  .prod-sidebar__price { font-size: 1.4rem; }
}