/* ============================================================
   11_ KONTAKT  (Screen 3)
   ============================================================ */
.form {
  display: grid;
  gap: 20px;
  max-width: 760px;
  border-top: 1px solid var(--steel-line);
  padding-top: 20px;
}
.field { display: grid; gap: 10px; }
.field[hidden] { display: none; }
.field-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.field-label .req {
  color: var(--orange);
  font-size: 14px;
  line-height: 1;
}
.field-label .opt {
  color: var(--steel);
}
.field-input {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--steel-soft);
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  padding: 16px 18px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--ink);
  outline: 0;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color .15s var(--ease-soft), background .15s var(--ease-soft);
}
.field-input::placeholder { color: var(--steel); opacity: .55; }
.field-input:hover { background: #FAFAF7; }
.field-input:focus {
  border-color: var(--ink);
  background: #FAFAF7;
}
.field-input.is-valid   { border-bottom-color: var(--ink); }
.field-input.is-invalid { border-bottom-color: var(--orange); }
.field-textarea {
  min-height: 180px;
  resize: vertical;
  line-height: 1.5;
}
.field-hint, .field-error {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel);
}
.field-error { color: var(--orange); display: none; }
.field.has-error .field-error { display: block; }
.field.has-error .field-hint  { display: none; }
.field.has-error .channels { border-color: var(--orange); }
.channels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--steel-soft);
  border: 1px solid var(--steel-soft);
}
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 12px;
  background: var(--concrete);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
  cursor: pointer;
  transition: background .15s var(--ease-soft), color .15s var(--ease-soft);
}
.chip input { display: none; }
.chip:hover { background: var(--card); color: var(--ink); }
.chip.is-selected {
  background: var(--ink);
  color: var(--card);
}
.consent-field {
  border: 0;
  border-top: 1px solid var(--steel-soft);
  padding: 18px 0 0;
  margin: 4px 0 0;
}
.consent-row {
  display: grid;
  grid-template-columns: 20px 1fr;
  align-items: start;
  gap: 14px;
  color: var(--steel);
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.5;
  padding: 12px 0;
}
.consent-row[hidden] { display: none; }
.consent-row input {
  position: relative;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  border: 1px solid var(--steel-soft);
  border-radius: 4px;
  background: var(--card);
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  transition: background .15s var(--ease-soft), border-color .15s var(--ease-soft);
}
.consent-row input:hover { border-color: var(--ink); }
.consent-row input:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}
.consent-row input:checked {
  background: var(--ink);
  border-color: var(--ink);
}
.consent-row input:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 3px;
  width: 4px;
  height: 8px;
  border: solid var(--card);
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
}
.consent-field[hidden] { display: none; }
.consent-row a {
  color: var(--ink);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.consent-row .req {
  color: var(--orange);
  font-weight: 600;
}
.privacy,
.required-note {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel);
  line-height: 1.6;
  max-width: 60ch;
}
.required-note {
  margin: -4px 0 0;
}
.required-note span {
  color: var(--orange);
  font-weight: 600;
}
@media (min-width: 720px) {
  .form {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .form > fieldset,
  .privacy,
  .details-form > .field { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .form { gap: 14px; padding-top: 16px; }
  .field { gap: 7px; }
  .field-input { padding: 12px 14px; }
  .field-hint, .field-error, .privacy, .required-note { font-size: 9px; line-height: 1.35; }
  .chip { padding: 12px 6px; font-size: 9px; letter-spacing: 0.05em; }
  .consent-field { padding-top: 14px; }
  .consent-row { font-size: 12px; line-height: 1.4; padding: 10px 0; }
}