/**
 * ============================================================================
 * GORILLA NUTRITION — Single Producto CSS
 * ============================================================================
 *
 * Estilos para la página individual de producto (single-producto.php).
 * Sigue el sistema de diseño del tema: fondo oscuro, acentos dorados/rojos,
 * tipografía Bebas Neue + Montserrat.
 *
 * @package Gorilla_Nutrition
 * @since   2.0.0
 */

/* ─── Página contenedora ──────────────────────────────────────────────── */

.sp-page {
  background: var(--color-bg-primary);
  min-height: 100vh;
  padding-top: var(--nav-height);
  color: var(--color-text-primary);
}

/* ─── Barra superior de retorno ───────────────────────────────────────── */

.sp-topbar {
  background: rgba(7, 7, 7, 0.97);
  border-bottom: 1px solid var(--color-border-gold);
  padding: 12px 0;
  position: sticky;
  top: var(--nav-height);
  z-index: 100;
  backdrop-filter: blur(20px);
}

.admin-bar .sp-topbar {
  top: calc(var(--nav-height) + 32px);
}

.sp-topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.sp-back-link {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: color 0.25s ease;
}

.sp-back-link:hover {
  color: var(--color-gold);
}

.sp-back-link svg {
  flex-shrink: 0;
}

.sp-brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.sp-brand-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 1px solid rgba(201, 169, 79, 0.3);
}

.sp-brand-name {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 4px;
}

.sp-topbar__cta {
  padding: 9px 22px;
  background: var(--color-red);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: var(--transition-base);
  flex-shrink: 0;
}

.sp-topbar__cta:hover {
  background: var(--color-gold);
  color: var(--color-bg-primary);
  transform: translateY(-1px);
}

/* ─── Layout principal: imagen + info ────────────────────────────────── */

.sp-main {
  padding: 72px 0 80px;
}

.sp-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

/* ─── Galería: imagen principal ───────────────────────────────────────── */

.sp-gallery__main {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-gold);
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sp-gallery__main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.2s ease;
}

.sp-gallery__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card-inner);
}

.sp-gallery__placeholder-text {
  font-family: var(--font-display);
  font-size: 48px;
  color: rgba(201, 169, 79, 0.09);
  letter-spacing: 4px;
  text-align: center;
  padding: 20px;
  line-height: 1.1;
}

.sp-gallery__corner {
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 56px 56px 0;
  border-color: transparent var(--color-red) transparent transparent;
  pointer-events: none;
}

/* ─── Miniaturas de galería ───────────────────────────────────────────── */

.sp-gallery__thumbs {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.sp-gallery__thumb {
  width: 72px;
  height: 72px;
  border: 2px solid rgba(201, 169, 79, 0.15);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  background: var(--color-bg-card);
  transition: border-color 0.25s ease, transform 0.2s ease;
  flex-shrink: 0;
}

.sp-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sp-gallery__thumb:hover {
  border-color: var(--color-gold);
  transform: scale(1.05);
}

.sp-gallery__thumb--active {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 1px var(--color-gold);
}

/* ─── Info del producto ───────────────────────────────────────────────── */

.sp-info-col {
  padding-top: 8px;
}

.sp-info__category {
  font-size: 10px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 700;
  margin-bottom: 12px;
}

.sp-info__name {
  font-family: var(--font-display);
  font-size: clamp(42px, 5vw, 64px);
  letter-spacing: 3px;
  color: var(--color-text-primary);
  line-height: 0.95;
  margin: 0 0 20px;
}

.sp-info__price {
  font-family: var(--font-display);
  font-size: 48px;
  letter-spacing: 2px;
  background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.sp-info__divider {
  height: 1px;
  background: linear-gradient(90deg, var(--color-gold), transparent);
  margin: 24px 0;
  opacity: 0.25;
}

.sp-info__desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.sp-info__desc p {
  margin: 0 0 14px;
}

.sp-info__desc p:last-child {
  margin-bottom: 0;
}

.sp-info__desc h2,
.sp-info__desc h3,
.sp-info__desc h4 {
  font-family: var(--font-display);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin: 20px 0 8px;
}

.sp-info__desc h2 { font-size: 22px; }
.sp-info__desc h3 { font-size: 18px; color: var(--color-gold); }
.sp-info__desc h4 { font-size: 14px; color: var(--color-gold); }

.sp-info__desc strong,
.sp-info__desc b {
  color: var(--color-text-primary);
  font-weight: 700;
}

.sp-info__desc ul {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
}

.sp-info__desc ul li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
}

.sp-info__desc ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  background: var(--color-gold);
  border-radius: 50%;
}

.sp-info__desc ol {
  padding-left: 20px;
  margin: 0 0 14px;
}

.sp-info__desc ol li::marker {
  color: var(--color-gold);
  font-weight: 700;
}

.sp-info__desc a {
  color: var(--color-gold);
  text-decoration: underline;
  text-decoration-color: rgba(201, 169, 79, 0.4);
  text-underline-offset: 3px;
}

.sp-info__desc a:hover {
  color: var(--color-gold-light);
}

/* ─── Etiquetas ───────────────────────────────────────────────────────── */

.sp-info__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.sp-tag {
  padding: 5px 14px;
  border: 1px solid rgba(201, 169, 79, 0.25);
  color: var(--color-text-secondary);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition-base);
}

.sp-tag:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* ─── Botón de pedido ─────────────────────────────────────────────────── */

.sp-order-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: linear-gradient(135deg, #25D366, #1da851);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.3);
  width: 100%;
  justify-content: center;
}

.sp-order-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 44px rgba(37, 211, 102, 0.45);
  background: linear-gradient(135deg, #2de070, #25D366);
}

.sp-order-btn--large {
  padding: 20px 48px;
  font-size: 14px;
  width: auto;
}

.sp-order-note {
  font-size: 11px;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 12px;
  letter-spacing: 0.5px;
}

/* ─── Video de YouTube ────────────────────────────────────────────────── */

.sp-video-section {
  padding: 80px 0;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-light);
}

.sp-section-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.sp-section-label__line {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-red));
  flex-shrink: 0;
}

.sp-section-label span {
  font-size: 10px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 700;
}

.sp-video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-gold);
  background: #000;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
}

.sp-video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ─── Galería completa ────────────────────────────────────────────────── */

.sp-gallery-section {
  padding: 80px 0;
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border-light);
}

.sp-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.sp-gallery-grid__item {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-gold);
  background: var(--color-bg-card);
  display: block;
}

.sp-gallery-grid__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease, filter 0.4s ease;
}

.sp-gallery-grid__overlay {
  position: absolute;
  inset: 0;
  background: rgba(7, 7, 7, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  color: var(--color-gold);
}

.sp-gallery-grid__item:hover img {
  transform: scale(1.06);
  filter: brightness(0.75);
}

.sp-gallery-grid__item:hover .sp-gallery-grid__overlay {
  opacity: 1;
}

/* ─── CTA final ───────────────────────────────────────────────────────── */

.sp-cta-section {
  padding: 100px 0;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-gold);
  position: relative;
  overflow: hidden;
}

.sp-cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    135deg,
    transparent,
    transparent 80px,
    rgba(201, 169, 79, 0.012) 80px,
    rgba(201, 169, 79, 0.012) 81px
  );
  pointer-events: none;
}

.sp-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.sp-cta-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 56px);
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 10px;
}

.sp-cta-sub {
  font-size: 13px;
  color: var(--color-text-secondary);
  max-width: 380px;
}

/* ─── Responsive ──────────────────────────────────────────────────────── */

@media (max-width: 960px) {
  .sp-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .sp-cta-inner {
    flex-direction: column;
    text-align: center;
    gap: 32px;
  }

  .sp-cta-sub {
    max-width: 100%;
  }
}

@media (max-width: 600px) {
  .sp-topbar__brand {
    display: none;
  }

  .sp-main {
    padding: 48px 0 56px;
  }

  .sp-video-section,
  .sp-gallery-section,
  .sp-cta-section {
    padding: 56px 0;
  }

  .sp-gallery__thumbs {
    gap: 8px;
  }

  .sp-gallery__thumb {
    width: 58px;
    height: 58px;
  }
}

/* ─── Lightbox ────────────────────────────────────────────────────────── */

.sp-lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sp-lightbox--open {
  pointer-events: all;
  opacity: 1;
}

.sp-lb__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 4, 4, 0.94);
  backdrop-filter: blur(8px);
}

/* Imagen central */

.sp-lb__stage {
  position: relative;
  z-index: 1;
  max-width: calc(100vw - 140px);
  max-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sp-lb__img {
  max-width: 100%;
  max-height: calc(100vh - 80px);
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.8);
  display: block;
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

/* Botón cerrar */

.sp-lb__close {
  position: absolute;
  top: 20px;
  right: 24px;
  z-index: 2;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
}

.sp-lb__close:hover {
  background: var(--color-red);
  border-color: var(--color-red);
  color: #fff;
}

/* Flechas de navegación */

.sp-lb__prev,
.sp-lb__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 52px;
  height: 52px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(201, 169, 79, 0.2);
  border-radius: var(--radius-sm);
  color: var(--color-gold);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.sp-lb__prev { left: 20px; }
.sp-lb__next { right: 20px; }

.sp-lb__prev:hover,
.sp-lb__next:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-bg-primary);
}

/* Contador de imágenes */

.sp-lb__counter {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--color-text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  background: rgba(7, 7, 7, 0.7);
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
}

/* Cursor en items de galería */

.sp-gallery-grid__item {
  cursor: zoom-in;
}

@media (max-width: 600px) {
  .sp-lb__prev { left: 8px; width: 40px; height: 40px; }
  .sp-lb__next { right: 8px; width: 40px; height: 40px; }
  .sp-lb__stage { max-width: calc(100vw - 100px); }
  .sp-lb__close { top: 12px; right: 12px; }
}