:root{
  --dp-primary: #2453e6;
  --dp-primary-dark: #173cb0;
  --dp-accent: #17b4d6;
  --dp-success: #16a34a;
  --dp-danger: #dc2626;
  --dp-text: #162033;
  --dp-muted: #66758c;
  --dp-line: #d9e4f1;
  --dp-surface: #ffffff;
  --dp-surface-soft: #f8fbff;
  --dp-bg: #f3f6fb;
  --dp-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
  --dp-shadow-soft: 0 10px 24px rgba(15, 23, 42, 0.06);
  --dp-radius-xl: 28px;
  --dp-radius-lg: 22px;
  --dp-radius-md: 14px;
}

@keyframes dpFadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dp-section{
  background: var(--dp-bg);
  padding: 44px 0 70px;
}

.dp-container{
  max-width: 1380px;
  margin: 0 auto;
  padding: 0 24px;
}

.dp-card{
  display: grid;
  grid-template-columns: minmax(460px, 0.95fr) minmax(520px, 1.05fr);
  gap: 42px;
  align-items: start;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  border: 1px solid rgba(194, 210, 230, 0.9);
  border-radius: var(--dp-radius-xl);
  box-shadow: var(--dp-shadow);
  padding: 34px;
  position: relative;
  overflow: hidden;
  animation: dpFadeUp .5s ease;
}

.dp-card::before{
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--dp-primary), var(--dp-accent), var(--dp-primary));
}

.dp-left,
.dp-right{
  min-width: 0;
}

.dp-img-panel{
  position: sticky;
  top: 26px;
}

.dp-img-wrap{
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #f9fbff 0%, #eef4fb 100%);
  border: 1px solid var(--dp-line);
  border-radius: 24px;
  min-height: 520px;
  padding: 36px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.9), var(--dp-shadow-soft);
}

.dp-img-wrap img{
  width: 100%;
  max-width: 520px;
  max-height: 430px;
  object-fit: contain;
  display: block;
  transition: transform .25s ease;
}

.dp-img-wrap:hover img{
  transform: scale(1.02);
}

.dp-right{
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.dp-badge{
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: .88rem;
  font-weight: 700;
  border: 1px solid transparent;
}

.dp-badge.is-available{
  background: rgba(22,163,74,.10);
  color: #15803d;
  border-color: rgba(22,163,74,.18);
}

.dp-badge.is-out{
  background: rgba(220,38,38,.10);
  color: var(--dp-danger);
  border-color: rgba(220,38,38,.18);
}

.dp-title{
  margin: 0;
  font-size: clamp(2.25rem, 3vw, 3.5rem);
  line-height: 1.06;
  font-weight: 900;
  color: var(--dp-text);
  letter-spacing: -0.04em;
  max-width: 96%;
}

.dp-subtitle{
  margin: -4px 0 0;
  color: var(--dp-primary);
  font-size: 1rem;
  font-weight: 700;
}

.dp-desc-box{
  padding: 0;
}

.dp-desc{
  margin: 0;
  color: var(--dp-muted);
  font-size: 1rem;
  line-height: 1.92;
  max-width: 98%;
}

.dp-price-stock{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 2px;
}

.dp-price,
.dp-stock{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 17px;
  border-radius: 999px;
  font-weight: 800;
}

.dp-price{
  background: linear-gradient(135deg, rgba(36,83,230,.10), rgba(23,180,214,.12));
  border: 1px solid rgba(36,83,230,.14);
  color: var(--dp-primary-dark);
  font-size: 1.55rem;
  box-shadow: 0 8px 20px rgba(36,83,230,.08);
}

.dp-stock.in-stock{
  background: rgba(22,163,74,.08);
  border: 1px solid rgba(22,163,74,.14);
  color: var(--dp-success);
  font-size: .97rem;
}

.dp-stock.out-stock{
  background: rgba(220,38,38,.08);
  border: 1px solid rgba(220,38,38,.14);
  color: var(--dp-danger);
  font-size: .97rem;
}

.dp-form{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 2px;
}

.dp-cantidad-box{
  display: flex;
  align-items: center;
  gap: 8px;
}

.dp-qty-btn{
  width: 46px;
  height: 52px;
  border-radius: 14px;
  border: 1px solid #c8d6e8;
  background: #fff;
  color: var(--dp-text);
  font-size: 1.35rem;
  font-weight: 700;
  cursor: pointer;
  transition: .2s ease;
}

.dp-qty-btn:hover{
  border-color: rgba(36,83,230,.35);
  background: #f8fbff;
}

.dp-cantidad{
  width: 88px;
  height: 52px;
  border-radius: 14px;
  border: 1px solid #c8d6e8;
  background: #fff;
  text-align: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--dp-text);
  outline: none;
  transition: .2s ease;
}

.dp-cantidad:focus{
  border-color: rgba(36,83,230,.45);
  box-shadow: 0 0 0 4px rgba(36,83,230,.10);
}

.dp-btn{
  height: 52px;
  padding: 0 30px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--dp-primary), #2f63f0);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(36,83,230,.18);
  transition: .25s ease;
}

.dp-btn:hover{
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(36,83,230,.24);
  background: linear-gradient(135deg, #2f63f0, var(--dp-primary-dark));
}

.dp-btn:disabled,
.dp-btn-disabled{
  opacity: .7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.dp-no-stock-box{
  margin-top: 4px;
}

.dp-benefits{
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--dp-muted);
  font-size: .94rem;
  font-weight: 600;
  padding-top: 2px;
}

.dp-msg{
  min-height: 24px;
  font-size: .95rem;
  font-weight: 700;
}

.dp-msg.success{
  color: var(--dp-success);
}

.dp-msg.error{
  color: var(--dp-danger);
}

.dp-specs{
  margin-top: 6px;
  background: var(--dp-surface-soft);
  border: 1px solid var(--dp-line);
  border-radius: 18px;
  padding: 18px 20px;
  max-width: 560px;
}

.dp-specs h3{
  margin: 0 0 10px;
  font-size: 1.05rem;
  color: var(--dp-text);
}

.dp-specs ul{
  margin: 0;
  padding-left: 18px;
  color: var(--dp-muted);
  line-height: 1.8;
}

.dp-specs li{
  margin-bottom: 4px;
}

.dp-back{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  color: var(--dp-primary);
  text-decoration: none;
  font-weight: 700;
  font-size: .97rem;
  transition: .2s ease;
}

.dp-back:hover{
  color: var(--dp-primary-dark);
  text-decoration: underline;
}

.dp-error-wrap{
  padding: 60px 20px;
  background: var(--dp-bg);
}

.dp-error{
  max-width: 700px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid #f3c2c2;
  color: #b91c1c;
  border-radius: 18px;
  padding: 20px;
  text-align: center;
  box-shadow: var(--dp-shadow-soft);
  font-weight: 700;
}

@media (max-width: 1150px){
  .dp-card{
    grid-template-columns: 1fr;
    padding: 28px;
    gap: 28px;
  }

  .dp-img-panel{
    position: static;
  }

  .dp-img-wrap{
    min-height: 380px;
  }

  .dp-img-wrap img{
    max-height: 320px;
  }

  .dp-title{
    max-width: 100%;
  }

  .dp-desc{
    max-width: 100%;
  }

  .dp-specs{
    max-width: 100%;
  }
}

@media (max-width: 640px){
  .dp-section{
    padding: 24px 0 40px;
  }

  .dp-container{
    padding: 0 12px;
  }

  .dp-card{
    padding: 18px;
    border-radius: 22px;
  }

  .dp-img-wrap{
    min-height: 260px;
    padding: 18px;
    border-radius: 18px;
  }

  .dp-img-wrap img{
    max-height: 220px;
  }

  .dp-title{
    font-size: 1.9rem;
    line-height: 1.08;
  }

  .dp-desc{
    font-size: .95rem;
    line-height: 1.75;
  }

  .dp-form{
    flex-direction: column;
    align-items: stretch;
  }

  .dp-cantidad-box{
    width: 100%;
  }

  .dp-qty-btn{
    flex: 0 0 46px;
  }

  .dp-cantidad{
    flex: 1;
    width: auto;
  }

  .dp-btn{
    width: 100%;
  }

  .dp-price-stock{
    flex-direction: column;
    align-items: stretch;
  }

  .dp-price,
  .dp-stock{
    width: 100%;
  }

  .dp-benefits{
    flex-direction: column;
    gap: 8px;
  }
}