/* Serancon Kontaktformular (Double-Opt-In) */
.kf-form { max-width: 640px; margin: 0 auto; text-align: left; }

.kf-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.kf-input {
  width: 100%;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 12px;
  padding: 14px 16px;
  color: #e2e8f0;
  font-size: 15px;
  font-family: inherit;
  transition: border-color .2s, background .2s;
}
.kf-input::placeholder { color: #64748b; }
.kf-input:focus {
  outline: none;
  border-color: var(--cyan, #00cfef);
  background: rgba(255, 255, 255, .07);
}
textarea.kf-input { resize: vertical; min-height: 130px; }

.kf-grid { display: grid; gap: 16px; }
@media (min-width: 640px) { .kf-grid { grid-template-columns: 1fr 1fr; } }

.kf-consent {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  margin-top: 18px;
  color: #94a3b8;
  font-size: 13.5px;
  line-height: 1.55;
  cursor: pointer;
}
.kf-consent input[type="checkbox"] {
  flex: 0 0 auto;
  margin-top: 3px;
  width: 17px;
  height: 17px;
  accent-color: var(--cyan, #00cfef);
  cursor: pointer;
}
.kf-consent a { color: var(--cyan, #00cfef); text-decoration: underline; }

.kf-submit {
  margin-top: 22px;
  width: 100%;
  background: var(--cyan, #00cfef);
  color: #0f172a;
  font-weight: 700;
  font-size: 16px;
  font-family: inherit;
  border: none;
  border-radius: 999px;
  padding: 15px 28px;
  cursor: pointer;
  transition: opacity .2s, transform .2s;
}
.kf-submit:hover:not(:disabled) { opacity: .9; transform: scale(1.02); }
.kf-submit:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.kf-status {
  margin-top: 16px;
  font-size: 14.5px;
  line-height: 1.6;
  min-height: 1.2em;
}
.kf-status.kf-ok { color: var(--cyan, #00cfef); }
.kf-status.kf-err { color: #f87171; }

.kf-hint {
  margin-top: 14px;
  color: #64748b;
  font-size: 12.5px;
  line-height: 1.55;
}