.proof-main {
  align-items: start;
  gap: 5vw;
  margin-bottom: 70px;
}

.proof-form-panel {
  background: var(--black);
  color: #fff;
  padding: 28px;
  scroll-margin-top: 110px;
}

.proof-form-heading span {
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
}

.proof-form-heading h3 {
  font-size: 30px;
  line-height: 1.05;
  letter-spacing: -.035em;
  margin: 10px 0 24px;
}

.proof-form {
  gap: 18px 14px;
}

.proof-form label {
  font-size: 12px;
  color: #aaa;
}

.proof-form input,
.proof-form select,
.proof-form textarea {
  padding: 10px 0;
  font-size: 15px;
}

.proof-form .button {
  margin-top: 4px;
}

.proof-form .success {
  margin: 0;
}

@media (max-width: 900px) {
  .proof-main {
    grid-template-columns: 1fr;
  }

  .proof-form-panel {
    max-width: 680px;
  }
}

@media (max-width: 620px) {
  .proof-form-panel {
    padding: 24px 20px;
  }

  .proof-form {
    grid-template-columns: 1fr;
  }
}