/* Formulieren (Contact, Liedje aanvragen): velden, foutmeldingen, toestemming,
   verzendknop en bedankt-scherm. Bouwt op tokens.css + global.css. */

.form {
  display: grid;
  gap: var(--space-5);
  padding: clamp(24px, 4vw, 40px);
}
.form > * { position: relative; z-index: 1; }

.form__topics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  border: 0;
}
.form__topics legend {
  margin-bottom: var(--space-3);
  color: var(--dj-ink);
  font-weight: 600;
}
.topic input { position: absolute; opacity: 0; pointer-events: none; }
.topic span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  background: rgba(30, 30, 30, 0.05);
  color: var(--dj-text);
  font-size: var(--fs-small);
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease, box-shadow var(--dur-fast) ease, transform var(--dur-fast) var(--ease-out);
}
.topic span:hover { background: rgba(30, 30, 30, 0.09); }
.topic input:checked + span {
  background: var(--dj-blue);
  color: var(--dj-white);
  box-shadow: 0 4px 12px -4px rgba(0, 128, 255, 0.55);
}
.topic input:focus-visible + span { outline: 3px solid var(--dj-blue); outline-offset: 2px; }
.topic input:active + span { transform: scale(0.97); }

.form__plan { display: grid; gap: var(--space-2); max-width: 320px; }
.form__plan[hidden] { display: none; }

.form__grid {
  display: grid;
  gap: var(--space-4) var(--space-5);
}
@media (min-width: 700px) {
  .form__grid { grid-template-columns: 1fr 1fr; }
  .field--wide { grid-column: 1 / -1; }
}
.field { display: grid; gap: var(--space-2); }
.field label,
.form__plan label {
  color: var(--dj-ink);
  font-size: var(--fs-small);
  font-weight: 600;
}
.field__opt { color: var(--dj-text-muted); font-weight: 400; }
.form input[type="text"],
.form input[type="email"],
.form input[type="tel"],
.form select,
.form textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 16px;
  border: 1px solid rgba(30, 30, 30, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.7);
  color: var(--dj-ink);
  font: inherit;
  transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease, background-color var(--dur-fast) ease;
}
.form textarea { resize: vertical; min-height: 140px; }
.form input:hover,
.form select:hover,
.form textarea:hover { border-color: rgba(30, 30, 30, 0.22); }
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--dj-blue);
  background: var(--dj-white);
  box-shadow: 0 0 0 4px rgba(0, 128, 255, 0.15);
}
.field.is-invalid input,
.field.is-invalid textarea { border-color: #C2410C; box-shadow: 0 0 0 4px rgba(194, 65, 12, 0.12); }
.field__error {
  min-height: 0;
  margin: 0;
  color: #C2410C;
  font-size: 0.8125rem;
}
.field__error:empty { display: none; }

.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.consent {
  display: flex;
  gap: var(--space-3);
  max-width: 52ch;
  color: var(--dj-text-muted);
  font-size: var(--fs-small);
  cursor: pointer;
}
.consent input { flex: none; width: 18px; height: 18px; margin-top: 2px; accent-color: var(--dj-blue); }
.consent a { color: var(--dj-blue); }
.field__error--consent { flex-basis: 100%; }

.form__submit {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 52px;
  padding: 0 10px 0 26px;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--dj-blue);
  color: var(--dj-white);
  font: 500 1.0625rem / 1 var(--font-ui);
  cursor: pointer;
  overflow: hidden;
  transition: background-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease, transform var(--dur-fast) ease;
}
.form__submit:hover { background: var(--dj-blue-hover); box-shadow: var(--shadow-cta); transform: translateY(-1px); }
.form__submit-icon {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  transition: transform 500ms var(--ease-out);
}
.form__submit:hover .form__submit-icon { transform: translate(3px, -3px) rotate(8deg); }
/* Verzenden: het vliegtuigje "vertrekt" */
.form.is-sending .form__submit-icon { animation: dj-fly 700ms var(--ease-camera) forwards; }
@keyframes dj-fly {
  to { transform: translate(60px, -40px) rotate(20deg); opacity: 0; }
}

.form__done {
  display: grid;
  place-items: center;
  gap: var(--space-2);
  padding: var(--space-7) var(--space-4);
  text-align: center;
}
.form__done[hidden] { display: none; }
.form__done-title {
  margin: 0;
  color: var(--dj-blue);
  font-family: var(--font-label);
  font-size: 3rem;
  line-height: 1;
}
.form__done p { margin: 0; }
.form.is-done > :not(.form__done) { display: none; }