.nb-back {
  margin: 16px 0 8px;
}
.nb-back .nb-backLink {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid #e5e5e5;
  background: #fff;
  color: #0a344c;
  text-decoration: none;
  font: 600 13px/1 "DM Sans", sans-serif;
}
.nb-back .nb-backLink:hover {
  filter: brightness(1.05);
}

.nb-single__summary h1 {
  margin: 0 0 8px;
  color: #0a344c;
  font-family: "DM Sans", sans-serif;
  font-size: 36px;
  font-style: normal;
  font-weight: 700;
  line-height: 1.2;
}
.nb-single__summary .nb-meta {
  display: grid;
  gap: 6px;
  margin: 8px 0 10px;
  color: #425a68;
  font-family: "DM Sans", sans-serif;
  font-size: 14px;
}
.nb-single__summary .product-card__price {
  margin: 10px 0 0 0;
  color: #000;
  font-family: "DM Sans", sans-serif;
  font-size: 38px;
  font-style: normal;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.1px;
}
.nb-single__summary .nb-price {
  display: inline-flex;
  gap: 10px;
  align-items: baseline;
}
.nb-single__summary .nb-price__now {
  color: #e11d48; /* vivid red for sale */
  font-family: "DM Sans", sans-serif;
  font-size: 38px;
  font-weight: 800;
  line-height: 1.2;
}
.nb-single__summary .nb-price__was {
  color: #6b7280;
  text-decoration: line-through;
  font-family: "DM Sans", sans-serif;
  font-size: 16px;
  font-weight: 600;
}

.nb-single__section h2 {
  margin: 0 0 10px;
  font-family: "DM Sans", sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: #000;
}

.nb-single__form {
  background: #fff;
  border: 1px solid #eaeaea;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  padding: 16px;
}
.nb-single__form .wpcf7-form label {
  display: grid;
  gap: 6px;
  color: #0a344c;
  font: 600 13px/1.2 "DM Sans", sans-serif;
}
.nb-single__form .wpcf7-form p {
  margin-bottom: 10px;
}
.nb-single__form input[type="text"],
.nb-single__form input[type="email"],
.nb-single__form input[type="tel"],
.nb-single__form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #dcdcdc;
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  box-sizing: border-box;
  background: #fff;
}
.nb-single__form input[type="submit"],
.nb-single__form button[type="submit"] {
  border-radius: 999px;
  background: #0b3a4f;
  color: #fff;
  border: 1px solid #0b3a4f;
  padding: 10px 16px;
  font-weight: 600;
  cursor: pointer;
  font-family: "DM Sans", sans-serif;
  text-transform: uppercase;
  letter-spacing: 1.05px;
}
.nb-single__form input[type="submit"]:hover {
  filter: brightness(1.05);
}

.nb-single__media {
  position: relative;
}
.nb-single__media .product-card__badge {
  position: absolute;
  right: 10px;
  left: auto;
  top: 10px;
  z-index: 3;
  width: fit-content;
}
.nb-single__media .product-card__badge--demo {
  background: #0b3a4f;
  color: #fff;
}
.nb-single__media .product-card__badge--used {
  background: #e8318a;
  color: #fff62f;
}

@media (max-width: 900px) {
  .nb-back {
    margin: 12px 0 6px;
  }
  .nb-single__summary h1 {
    font-size: 28px;
    line-height: 1.25;
  }
  .nb-single__summary .product-card__price {
    font-size: 30px;
  }
  .nb-single__summary .nb-price__now {
    font-size: 30px;
  }
  .nb-single__summary .nb-price__was {
    font-size: 13px;
  }
  .nb-single__form {
    padding: 14px;
  }
  .nb-single__media .product-card__badge {
    padding: 6px 10px;
    font-size: 14px;
    min-width: 0;
    border-radius: 18px;
  }
}