/* Patch v0.4.3 — Page solaire référentielle */

.solar-reference .section__header,
.solar-roi .section__header,
.official-links .section__header {
  max-width: 960px;
}

.formula-card {
  max-width: 960px;
  margin: 1.4rem 0;
  padding: clamp(1rem, 3vw, 1.6rem);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--emp-white);
  box-shadow: var(--shadow);
}

.formula-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.formula-grid > div {
  padding: 1rem;
  border-left: 4px solid var(--emp-yellow);
  background: #fbfdff;
}

.formula-grid span {
  display: block;
  color: var(--emp-muted);
  font-size: .92rem;
}

.formula-grid strong {
  display: block;
  margin-top: .35rem;
  color: var(--emp-blue);
  font-size: 1.12rem;
}

.table-wrap {
  max-width: 100%;
  overflow-x: auto;
  margin: 1.4rem 0 .7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--emp-white);
  box-shadow: var(--shadow);
}

.solar-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  font-size: .95rem;
}

.solar-table caption {
  padding: .9rem 1rem;
  text-align: left;
  font-weight: 850;
  color: var(--emp-blue);
  background: #fbfdff;
}

.solar-table th,
.solar-table td {
  padding: .85rem 1rem;
  border-top: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.solar-table th {
  color: var(--emp-blue);
  background: rgba(11, 31, 51, .045);
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.4rem 0;
}

.timeline-card {
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--emp-white);
  box-shadow: var(--shadow);
}

.timeline-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  margin-bottom: .8rem;
  border-radius: 999px;
  background: var(--emp-yellow);
  color: var(--emp-blue);
  font-weight: 900;
}

.official-links .card a {
  display: inline-block;
  margin-top: .4rem;
}

@media (max-width: 920px) {
  .timeline-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .formula-grid,
  .timeline-grid {
    grid-template-columns: 1fr;
  }
}