/* heyfi.io/podcast/expert/: the Topic Expert form. Plain stacked fields on
   paper, ink rules, Signal Blue only on focus and the send button. */
.xform { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 2.5rem; }
.xform fieldset { border: 0; border-top: 3px double var(--ink); margin: 0; padding: 1.25rem 0 0; display: flex; flex-direction: column; gap: 1.25rem; min-width: 0; }
.xform legend { font-family: var(--serif); font-size: 1.5rem; line-height: 1.2; padding: 0 0.75rem 0 0; }
.xf { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.xf-pair { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 640px) { .xf-pair { grid-template-columns: 1fr 1fr; } }
.xf label { font-size: 11px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); line-height: 1.3; }
.xf input, .xf textarea, .xf select {
  font: inherit; font-size: 17px; color: var(--ink); background: #fff;
  border: 1px solid var(--slate); border-radius: 0; padding: 12px 14px; width: 100%;
}
.xf textarea { resize: vertical; line-height: 1.5; }
.xf input[type="file"] { padding: 10px; background: transparent; border-style: dashed; }
.xf input::placeholder, .xf textarea::placeholder { color: var(--slate); }
.xf input:focus, .xf textarea:focus, .xf select:focus { outline: 2px solid var(--signal); outline-offset: 1px; border-color: var(--signal); }
.xf-hint, .xf-intro { font-size: 0.9rem; line-height: 1.5; color: var(--muted); margin: 0; }
.page-inner .xf-hint, .page-inner .xf-intro { margin: 0; }
.xform-send { align-self: flex-start; min-height: 56px; padding: 0 34px; font-size: 16px; border: 0; cursor: pointer; }
.xform .form-error { margin: 0; }
.xthanks-btn { display: inline-flex; align-items: center; min-height: 56px; padding: 0 34px; font-size: 16px; text-decoration: none; }