.blog-calc {
  margin-top: 32px;
}

.blog-calc__wrap {
  display: flex;
  gap: 16px;
  align-items: stretch;
  flex-wrap: wrap;
}

.blog-calc__media,
.blog-calc__card {
  flex: 1 1 340px;
  width: auto;
  min-width: 0;
}

.blog-calc__img {
  width: 100%;
  border-radius: 12px;
  display: block;
}

.blog-calc__card {
  background: #fff;
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .06);
}

.blog-calc__brandbar {
  background: #0047ba;
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  margin-bottom: 12px;
  font-weight: 700;
}

.blog-calc__row {
  display: grid;
  grid-template-columns: 1fr;
  padding: 0 16px;
}

.blog-calc__row--2 {
  padding: 0 18px;
}

.blog-calc__row--2 > div {
  margin-top: 16px;
}

.blog-calc label {
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
}

.blog-calc input[type=number],
.blog-calc select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d7d7d7;
  border-radius: 8px;
  font-size: 15px;
  background: #fff;
  outline: none;
}

.blog-calc input[type=number]:focus,
.blog-calc select:focus {
  border-color: #1f8d2e;
  box-shadow: 0 0 0 3px rgba(31, 141, 46, .12);
}

.blog-calc__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.blog-calc__btn {
  border: none;
  padding: 12px 16px;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  font-size: 15px;
}

.blog-calc__btn--primary {
  background: #0047ba;
  color: #fff;
}

.blog-calc__btn--ghost {
  background: #f0f0f0;
}

.blog-calc__result {
  margin-top: 12px;
  padding: 14px;
  border: 1px dashed #0047ba;
  background: #0047ba1c;
  border-radius: 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  text-align: center;
}

.blog-calc__num {
  font-size: 28px;
  font-weight: 800;
}

.blog-calc__muted {
  color: #666;
  font-size: 13px;
}

.blog-calc__note {
  margin-top: 12px;
  font-size: 13px;
  color: #555;
}

@media (max-width: 767px) {
  .blog-calc__wrap {
    flex-direction: column;
  }

  /* Mobile: remove white card substrate, keep controls readable */
  .blog-calc__card {
    background: transparent;
    box-shadow: none;
    padding: 0;
    border-radius: 0;
  }

  .blog-calc__row,
  .blog-calc__row--2 {
    padding-left: 0;
    padding-right: 0;
  }

  .blog-calc__brandbar {
    border-radius: 12px;
  }
}