.lead { color: var(--text-2); max-width: 64ch; line-height: 1.55; }
.he-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.he-cols textarea { min-height: 200px; font-family: var(--mono); font-size: .84rem; }
.he-opts { margin: 12px 0; gap: 14px; align-items: end; }
.he-narrow { max-width: 260px; }
@media (max-width: 640px) { .he-cols { grid-template-columns: 1fr; } }