/* =========================================================
   BATIVO : Baignoire en douche / Bad naar douche
   Illustration avant/après + calculateur d'économies
   ========================================================= */

/* ---------- Illustration avant / après ---------- */
.bd-figure {
  margin: 0 0 2rem;
  padding: 1.2rem;
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}
.bd-figure svg { display: block; width: 100%; height: auto; }
.bd-figure figcaption {
  margin-top: .8rem;
  font-size: .85rem;
  color: var(--c-muted);
  line-height: 1.5;
  text-align: center;
}

/* ---------- Deux formules ---------- */
.bd-formulas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.2rem;
  margin: 1.8rem 0;
}
.bd-formula {
  position: relative;
  padding: 1.5rem 1.4rem 1.3rem;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.bd-formula--accent { border-color: var(--c-accent-light); }
.bd-formula__tag {
  display: inline-block;
  margin-bottom: .6rem;
  padding: .25rem .7rem;
  border-radius: 999px;
  background: rgba(249, 115, 22, .12);
  color: var(--c-accent-dark);
  font-family: var(--ff-head);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.bd-formula h3 { margin: 0 0 .4rem; color: var(--c-primary); font-size: 1.15rem; }
.bd-formula__price {
  font-family: var(--ff-head);
  font-weight: 700;
  color: var(--c-accent-dark);
  margin: 0 0 .8rem;
}
.bd-formula ul { margin: 0; padding-left: 1.1rem; font-size: .92rem; line-height: 1.65; }
.bd-formula p { font-size: .92rem; }

/* ---------- Calculateur ---------- */
.bd-calc {
  margin: 2rem 0;
  padding: 1.6rem;
  background: #fff;
  border: 1px solid var(--c-border);
  border-top: 4px solid var(--c-accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.bd-calc__title { margin: 0 0 .3rem; color: var(--c-primary); font-size: 1.25rem; }
.bd-calc__intro { margin: 0 0 1.3rem; font-size: .93rem; color: var(--c-muted); }
.bd-calc__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem 1.2rem;
}
.bd-field { display: flex; flex-direction: column; gap: .35rem; }
.bd-field label {
  font-size: .86rem;
  font-weight: 600;
  color: var(--c-primary);
  line-height: 1.35;
}
.bd-field small { font-size: .78rem; color: var(--c-muted); line-height: 1.4; }
.bd-field input,
.bd-field select {
  width: 100%;
  min-height: 44px;
  padding: .55rem .75rem;
  font: inherit;
  font-size: .95rem;
  color: var(--c-text);
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--tr), box-shadow var(--tr);
}
.bd-field input:focus,
.bd-field select:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, .18);
  background: #fff;
}
.bd-calc__results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin: 1.5rem 0 0;
  background: var(--c-border);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.bd-stat { background: var(--c-bg-alt); padding: 1.1rem 1rem; text-align: center; }
.bd-stat b {
  display: block;
  font-family: var(--ff-head);
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1.15;
}
.bd-stat span { display: block; margin-top: .3rem; font-size: .8rem; color: var(--c-muted); line-height: 1.4; }
.bd-stat--total { background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light)); }
.bd-stat--total b { color: #fff; }
.bd-stat--total span { color: rgba(255, 255, 255, .8); }
.bd-calc__note {
  margin: 1rem 0 0;
  font-size: .88rem;
  color: var(--c-text);
  line-height: 1.6;
}
.bd-calc__note.is-warn { color: var(--c-danger); font-weight: 600; }
.bd-calc__hyp {
  margin-top: 1rem;
  padding: .9rem 1.1rem;
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: var(--radius-sm);
  font-size: .84rem;
  line-height: 1.6;
}
.bd-calc__hyp summary { cursor: pointer; font-weight: 700; color: var(--c-primary); }
.bd-calc__hyp ul { margin: .6rem 0 0; padding-left: 1.1rem; }
.bd-calc__hyp li + li { margin-top: .25rem; }

@media (max-width: 480px) {
  .bd-calc { padding: 1.2rem 1rem; }
  .bd-figure { padding: .7rem; }
}