/* Formulare – ruhig, großzügig, gut mit der Tastatur bedienbar. */

.form { max-width: 720px; }

.fieldset {
  border: 0;
  padding: 0;
  margin: 0 0 clamp(34px, 4vw, 52px);
}
.fieldset__legend {
  display: block;
  padding: 0 0 18px;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  width: 100%;
  margin-bottom: 26px;
}

.field { margin-bottom: 22px; }
.field__label {
  display: block;
  margin-bottom: 7px;
  font-size: .9375rem;
  font-weight: 500;
}
.field__hint { display: block; margin-top: 7px; font-size: .8125rem; color: var(--muted); }
.field__error { display: block; margin-top: 7px; font-size: .8125rem; font-weight: 500; color: var(--ink); }
.field__error::before { content: "↑ "; }

.input, .select, .textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  color: var(--ink);
  font-size: 1rem;
  transition: border-color .18s ease, box-shadow .18s ease;
  appearance: none;
}
.input:hover, .select:hover, .textarea:hover { border-color: var(--muted); }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ink) 14%, transparent);
}
.textarea { min-height: 132px; resize: vertical; line-height: 1.5; }

.select {
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
                    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 19px) calc(50% + 1px), calc(100% - 14px) calc(50% + 1px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 42px;
}

.field--invalid .input,
.field--invalid .select,
.field--invalid .textarea { border-color: var(--ink); border-width: 2px; }

.field-row { display: grid; gap: 0 20px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 560px) { .field-row { grid-template-columns: minmax(0, 1fr); } }

/* Programmauswahl als Karten */
.choice-grid { display: grid; gap: 12px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 720px) { .choice-grid { grid-template-columns: minmax(0, 1fr); } }

.choice { position: relative; display: block; }
.choice input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.choice__box {
  display: block;
  height: 100%;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: border-color .18s ease, background-color .18s ease;
}
.choice input:hover + .choice__box { border-color: var(--muted); }
.choice input:checked + .choice__box { border-color: var(--ink); border-width: 2px; padding: 17px; }
.choice input:focus-visible + .choice__box { outline: 2px solid var(--ink); outline-offset: 3px; }
.choice__title { display: block; font-weight: 600; font-size: 1rem; }
.choice__meta { display: block; margin-top: 5px; font-size: .8125rem; color: var(--muted); }

/* Kästchen mit langem Begleittext */
.check {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: start;
  margin-bottom: 18px;
  font-size: .9375rem;
  line-height: 1.45;
}
.check input {
  width: 20px; height: 20px;
  margin: 1px 0 0;
  accent-color: var(--ink-strong);
  cursor: pointer;
}
.check a { text-decoration: underline; text-underline-offset: 3px; }

/* Honigtopf – für Menschen unsichtbar, für Bots verlockend */
.trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 22px; margin-top: 34px; }

.notice {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-alt);
  margin-bottom: 30px;
}
.notice--error { border-color: var(--ink); border-width: 2px; padding: 17px 19px; }
.notice p:last-child { margin-bottom: 0; }

.form-hidden { display: none; }