/* Formular-Bausteine (Anfrage) */
.f { display: grid; gap: var(--s-7); }
.f fieldset { border: 0; padding: 0; min-width: 0; display: grid; gap: var(--s-5); }
.f legend {
  padding: 0; margin-bottom: var(--s-5);
  font-family: var(--font-display); font-size: var(--fs-h3); line-height: 1.15;
  display: flex; gap: var(--s-3); align-items: baseline;
}
.f legend .f__n { font-style: italic; color: var(--c-petrol); font-size: 0.75em; }
.f .f__group > legend.f__sub { display: block; font-family: var(--font-text); font-size: 1rem; font-weight: 600; line-height: 1.4; margin-bottom: var(--s-3); padding: 0; }
.f__group { display: grid; gap: var(--s-3); border: 0; padding: 0; margin: 0; min-width: 0; }
.f__field { display: grid; gap: var(--s-2); }
.f__label { font-weight: 600; font-size: 1rem; }
.f__opt { font-weight: 400; color: var(--c-text-leise); font-size: var(--fs-small); }
.f__req { color: var(--c-petrol); }
.f__help { font-size: var(--fs-small); color: var(--c-text-leise); }
.f__err { font-size: var(--fs-small); color: var(--c-fehler); font-weight: 600; }
.f__err:empty { display: none; }

.f input[type='text'], .f input[type='tel'], .f input[type='email'], .f input[type='date'],
.f input[type='number'], .f select, .f textarea {
  width: 100%;
  min-height: 3.25rem;
  padding: 0.8rem 0.95rem;
  border: 1.5px solid var(--c-rand);
  border-radius: var(--r-m);
  background: oklch(99.5% 0.002 220);
  font-size: 1.0625rem; /* ≥16px verhindert Zoom auf iOS */
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.f textarea { min-height: 8rem; resize: vertical; line-height: 1.5; }
.f select { appearance: none; background-image: url('/img/chevron.svg'); background-repeat: no-repeat; background-position: right 0.9rem center; background-size: 1rem; padding-right: 2.5rem; }
.f input:hover, .f select:hover, .f textarea:hover { border-color: var(--c-anthrazit); }
.f input:focus-visible, .f select:focus-visible, .f textarea:focus-visible {
  outline: none; border-color: var(--c-petrol);
  box-shadow: 0 0 0 3px oklch(50.7% 0.105 234 / 0.22);
}
.f [aria-invalid='true'] { border-color: var(--c-fehler) !important; }

/* Auswahlkarten (Radio) */
.choices { display: grid; gap: var(--s-2); }
.choices--2 { grid-template-columns: 1fr; }
@media (min-width: 36rem) { .choices--2 { grid-template-columns: 1fr 1fr; } }
.choices--inline { grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr)); }
.choice {
  position: relative;
  display: grid; grid-template-columns: auto 1fr; gap: 0.1rem 0.8rem; align-items: center;
  min-height: 3.25rem; padding: 0.8rem 1rem;
  border: 1.5px solid var(--c-linie); border-radius: var(--r-m);
  background: oklch(99.5% 0.002 220);
  cursor: pointer;
  transition: border-color var(--t-fast), background-color var(--t-fast);
}
.choice:hover { border-color: var(--c-silber); }
.choice:has(input:checked) { border-color: var(--c-petrol); background: var(--c-petrol-hell); }
.choice:has(input:focus-visible) { outline: 2px solid var(--c-petrol); outline-offset: 2px; }
.choice input {
  appearance: none; margin: 0;
  width: 1.25rem; height: 1.25rem; border-radius: 50%;
  border: 1.5px solid var(--c-rand); background: var(--c-papier);
  display: grid; place-items: center;
  grid-row: span 2;
}
.choice input:checked { border-color: var(--c-petrol); background: radial-gradient(circle, var(--c-petrol) 0 42%, var(--c-papier) 46%); }
.choice input:focus-visible { outline: none; }
.choice__t { font-weight: 600; line-height: 1.3; }
.choice__h { grid-column: 2; font-size: var(--fs-small); color: var(--c-text-leise); line-height: 1.35; }
.choice:has(input:checked) .choice__h { color: var(--c-petrol-tief); }

/* Checkboxen */
.check { display: grid; grid-template-columns: auto 1fr; gap: 0.8rem; align-items: start; cursor: pointer; min-height: var(--tap); padding-block: 0.25rem; }
.check input {
  appearance: none; margin: 0.1rem 0 0;
  width: 1.375rem; height: 1.375rem; border-radius: 5px;
  border: 1.5px solid var(--c-rand); background: var(--c-papier);
  display: grid; place-items: center;
}
.check input::after { content: ''; width: 0.4rem; height: 0.75rem; border: solid var(--c-papier); border-width: 0 2px 2px 0; transform: rotate(45deg) translate(-1px, -1px); opacity: 0; }
.check input:checked { background: var(--c-petrol); border-color: var(--c-petrol); }
.check input:checked::after { opacity: 1; }
.check input:focus-visible { outline: 2px solid var(--c-petrol); outline-offset: 2px; }
.check--box { padding: var(--s-4); border: 1.5px solid var(--c-linie); border-radius: var(--r-m); background: oklch(99.5% 0.002 220); }
.check--box:has(input:checked) { border-color: var(--c-petrol); background: var(--c-petrol-hell); }

/* Datei-Upload */
.drop {
  position: relative; display: grid; gap: var(--s-2); justify-items: start;
  padding: var(--s-5); border: 1.5px dashed var(--c-rand); border-radius: var(--r-m);
  background: oklch(99.5% 0.002 220);
}
.drop:hover, .drop:focus-within { border-color: var(--c-petrol); }
.drop input[type='file'] { font-size: var(--fs-small); max-width: 100%; }
.drop input[type='file']::file-selector-button {
  min-height: var(--tap); margin-right: 0.8rem; padding: 0 1.1rem;
  border: 1.5px solid var(--c-petrol); border-radius: var(--r-pill);
  background: var(--c-papier); color: var(--c-petrol); font-weight: 600; cursor: pointer;
}
.files { list-style: none; padding: 0; display: grid; gap: var(--s-2); }
.files li { display: flex; justify-content: space-between; gap: var(--s-3); font-size: var(--fs-small); padding: 0.5rem 0.75rem; background: var(--c-nebel-hell); border-radius: var(--r-s); }
.files li.is-bad { background: oklch(95% 0.03 27); color: var(--c-fehler); }

/* Preisrahmen */
.pricebox { padding: var(--s-5); border-radius: var(--r-m); background: var(--c-anthrazit); color: var(--c-papier); display: grid; gap: var(--s-2); }
.pricebox .label { color: oklch(85% 0.05 225); }
.pricebox__v { font-family: var(--font-display); font-size: var(--fs-h4); line-height: 1.3; }
.pricebox__all { list-style: none; padding: 0; font-size: var(--fs-small); display: grid; gap: 0.2rem; }
.pricebox a { color: var(--c-papier); }

/* Fehlerübersicht */
.f__summary { padding: var(--s-5); border: 2px solid var(--c-fehler); border-radius: var(--r-m); background: oklch(97% 0.015 27); }
.f__summary h2 { font-family: var(--font-text); font-size: 1.0625rem; font-weight: 700; color: var(--c-fehler); }
.f__summary ul { margin-top: var(--s-2); padding-left: 1.2em; }
.f__summary a { color: var(--c-fehler); }

/* Honeypot: für Menschen unsichtbar, für Screenreader ausgeblendet */
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }

/* Schrittweises Einblenden (nur mit JS) */
.f.is-js .step-later[data-locked] { display: none; }
.f [hidden] { display: none !important; }
@media (prefers-reduced-motion: no-preference) {
  .f.is-js .step-later:not([data-locked]) { animation: f-in var(--t-med) var(--ease-out); }
  @keyframes f-in { from { opacity: 0; transform: translateY(10px); } }
}

.f__submit { display: grid; gap: var(--s-3); justify-items: start; }
.f__submit .btn { min-height: 3.25rem; font-size: 1.0625rem; padding-inline: 1.8rem; }
.f__submit .btn[aria-busy='true'] { opacity: 0.7; pointer-events: none; }
.f__spin { width: 1.1em; height: 1.1em; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin 0.8s linear infinite; display: none; }
.btn[aria-busy='true'] .f__spin { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Bestätigung */
.done { padding: var(--s-7) var(--s-6); border-radius: var(--r-m); background: var(--c-petrol-hell); display: grid; gap: var(--s-4); justify-items: start; }
.done__ico { width: 3rem; height: 3rem; border-radius: 50%; background: var(--c-petrol); color: var(--c-papier); display: grid; place-items: center; }
.done__ico svg { width: 1.6rem; height: 1.6rem; }
.done h2 { font-size: var(--fs-h3); }