/* ══════════════════════════════════════
   CALCULATEUR DE TARIF
   ══════════════════════════════════════ */
.calc-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  align-items: start;
}

.calc-block { margin-bottom: 2.4rem; }
.calc-block:last-child { margin-bottom: 0; }
.calc-block h3 {
  font-size: 0.95rem;
  color: var(--white);
  margin-bottom: 0.9rem;
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: none;
}

.calc-pills { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.calc-pill {
  padding: 0.65rem 1.15rem;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: var(--transition);
}
.calc-pill:hover { border-color: rgba(255,255,255,0.35); color: #fff; }
.calc-pill.active { background: var(--accent); border-color: var(--accent); color: var(--dark); }

.calc-select {
  width: 100%;
  max-width: 340px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 0.93rem;
  color: var(--white);
  outline: none;
  cursor: pointer;
  appearance: none;
}
.calc-select:focus { border-color: var(--accent); }
.calc-select option { background: var(--dark-3); color: var(--white); }

.calc-reduction { margin-bottom: 1rem; }
.calc-reduction .calc-check-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.calc-checkbox {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  margin-bottom: 0.7rem;
  cursor: pointer;
  transition: border-color var(--transition);
  font-size: 0.88rem;
  color: rgba(255,255,255,0.75);
}
.calc-checkbox:hover { border-color: rgba(255,255,255,0.25); }
.calc-checkbox[hidden] { display: none; }
.calc-checkbox input { accent-color: var(--accent); width: 18px; height: 18px; flex-shrink: 0; }
.calc-checkbox strong { color: var(--accent); }

.calc-result-card {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 2.2rem 2rem;
  position: sticky;
  top: 100px;
}
.calc-result-label { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.6rem; }
.calc-result-total { display: flex; align-items: baseline; gap: 0.4rem; margin-bottom: 1.3rem; flex-wrap: wrap; }
.calc-result-total span:first-child { font-family: var(--font-display); font-size: 3rem; color: var(--white); line-height: 1; letter-spacing: 0.5px; }
.calc-result-unit { font-size: 1rem; color: rgba(255,255,255,0.5); }
.calc-breakdown { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }
.calc-breakdown li { display: flex; justify-content: space-between; gap: 1rem; font-size: 0.86rem; color: rgba(255,255,255,0.65); border-bottom: 1px dashed rgba(255,255,255,0.08); padding-bottom: 0.55rem; }
.calc-breakdown li span:first-child { flex: 1; }
.calc-breakdown li span:last-child { color: var(--white); font-weight: 600; white-space: nowrap; }
.calc-breakdown li.calc-discount span:last-child { color: var(--accent); }
.calc-duo-note { font-size: 0.82rem; color: rgba(255,255,255,0.55); margin-top: 0.9rem; }

@media (max-width: 900px) {
  .calc-grid { grid-template-columns: 1fr; }
  .calc-result-card { position: static; }
}