/* Calculateur — s'appuie sur les variables de la charte (définies sur :root).
   Valeurs de repli si la charte ne les définit pas. */
.calc {
  --calc-accent: var(--c-accent, #f5b301);
  --calc-sur-accent: var(--c-sur-accent, #111);
  --calc-surface: var(--c-surface, #fff);
  --calc-texte: var(--c-texte, #14161a);
  --calc-doux: var(--c-texte-doux, #5b616b);
  --calc-bord: var(--c-bord, #d9dde3);
  --calc-wa: #1fa855;
  --calc-rayon: var(--rayon, 14px);
  background: var(--calc-surface);
  color: var(--calc-texte);
  border: 1px solid var(--calc-bord);
  border-radius: var(--calc-rayon);
  padding: 20px 16px;
  max-width: 640px;
  margin-inline: auto;
}
.calc h2 { margin: 0 0 6px; font-size: clamp(1.3rem, 4vw, 1.7rem); }
.calc-intro { margin: 0 0 16px; color: var(--calc-doux); }
.calc-form { display: grid; gap: 14px; }
.calc-champ { display: grid; gap: 6px; border: 0; padding: 0; margin: 0; min-width: 0; }
.calc-champ > span, .calc-champ > legend { font-weight: 600; font-size: .95rem; padding: 0; }
.calc select, .calc input[type=number], .calc input[type=text], .calc input[type=datetime-local] {
  width: 100%; min-height: 48px; padding: 10px 12px; font: inherit; font-size: 16px;
  color: inherit; background: var(--calc-surface);
  border: 1px solid var(--calc-bord); border-radius: 10px;
}
.calc select:focus-visible, .calc input:focus-visible, .calc-btn:focus-visible {
  outline: 3px solid var(--calc-accent); outline-offset: 2px;
}
.calc small { color: var(--calc-doux); min-height: 1em; }
.calc-options { display: grid; gap: 8px; }
.calc-case { display: flex; gap: 10px; align-items: flex-start; font-size: .95rem; cursor: pointer; }
.calc-case input { width: 22px; height: 22px; margin: 0; flex: none; accent-color: var(--calc-accent); }
.calc-resultat { margin: 18px 0 14px; padding: 16px; border-radius: 12px; background: color-mix(in srgb, var(--calc-accent) 14%, transparent); min-height: 72px; }
.calc-titre { margin: 0; font-weight: 600; color: var(--calc-doux); }
.calc-prix { margin: 4px 0; font-size: clamp(1.8rem, 7vw, 2.4rem); font-weight: 800; line-height: 1.1; font-variant-numeric: tabular-nums; }
.calc-distance, .calc-note, .calc-aide { margin: 6px 0 0; color: var(--calc-doux); font-size: .92rem; }
.calc details { margin-top: 10px; font-size: .92rem; }
.calc details ul { margin: 8px 0 0; padding-inline-start: 18px; }
.calc-actions { display: grid; gap: 10px; }
.calc-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 54px; padding: 12px 16px; border-radius: 12px; border: 0;
  font: inherit; font-weight: 700; font-size: 1.05rem; text-decoration: none; cursor: pointer;
}
.calc-btn--wa { background: var(--calc-wa); color: #fff; }
.calc-btn--appel { background: var(--calc-accent); color: var(--calc-sur-accent); }
@media (min-width: 560px) { .calc { padding: 28px; } .calc-actions { grid-template-columns: 1fr 1fr; } }