.postcode-section {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(40px, 7vw, 90px);
  align-items: center;
  background: #f4f5f8;
}
.postcode-copy h2 {
  margin: 0 0 18px;
  color: #111a35;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(39px, 4.5vw, 60px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -.025em;
}
.postcode-copy > p:last-child { color: #6b7287; font-size: 18px; }
.postcode-form {
  padding: 36px;
  background: #fff;
  border-top: 5px solid #1d2d5c;
  box-shadow: 0 20px 60px rgba(17, 26, 53, .14);
}
.postcode-form label {
  display: block;
  margin-bottom: 8px;
  color: #3f4965;
  font-size: 14px;
  font-weight: 800;
}
.postcode-controls { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.postcode-controls input {
  min-width: 0;
  min-height: 50px;
  padding: 13px;
  border: 1px solid #bfc5d3;
  border-radius: 2px;
  color: #111a35;
  background: white;
  text-transform: uppercase;
}
.postcode-help { margin: 12px 0 0; color: #6b7287; font-size: 12px; }
.postcode-result { display: none; margin-top: 18px; padding: 16px; border-left: 4px solid #1d2d5c; background: #e4e8f2; color: #111a35; }
.postcode-result.show { display: block; }
.postcode-result.outside { border-color: #6b7287; background: #f0f1f4; }
.postcode-result.error { border-color: #9b2c2c; background: #faeaea; color: #711e1e; }
.postcode-result strong { display: block; margin-bottom: 3px; font-family: Georgia, "Times New Roman", serif; font-size: 21px; }
.postcode-result a { font-weight: 800; text-decoration: underline; }
.trust-grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1050px) {
  .trust-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .trust-grid { grid-template-columns: 1fr; }
  .postcode-section { grid-template-columns: 1fr; gap: 30px; }
  .postcode-copy h2 { font-size: 41px; }
  .postcode-form { padding: 25px 20px; }
  .postcode-controls { grid-template-columns: 1fr; }
}