/* ===== Página inicial: cards, Sobre e Concreto Usinado ===== */

/* Cards de serviços: 3 por linha (6 cards = 3 + 3) */
.business-grid .business-item { flex: 0 1 calc(33.333% - 20px); max-width: 370px; }
.business-grid .business-image { height: 180px; }
@media (max-width: 900px) { .business-grid .business-item { flex: 0 1 calc(50% - 20px); } }
@media (max-width: 600px) { .business-grid .business-item { flex: 0 1 100%; max-width: 420px; } }

/* ---------- Sobre ---------- */
.sobre { padding: 80px 16px; background: #f4f7fb; }
.sobre-wrap {
  max-width: 1150px; margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: start;
}
.sobre-titulo { font-size: 2.1rem; line-height: 1.2; color: #0d2440; margin: 14px 0 16px; }
.sobre-desc { color: #4a5868; font-size: 1.02rem; line-height: 1.7; margin-bottom: 28px; }

.sobre-lista { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 14px; }
.sobre-lista li {
  display: flex; gap: 16px; align-items: flex-start;
  background: #fff; border-radius: 14px; padding: 18px 20px;
  box-shadow: 0 4px 16px rgba(0, 40, 90, .06);
  transition: transform .25s ease, box-shadow .25s ease;
}
.sobre-lista li:hover { transform: translateX(4px); box-shadow: 0 8px 24px rgba(0, 40, 90, .12); }
.sobre-icone {
  flex: 0 0 46px; height: 46px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #004080, #0066cc); color: #fff; font-size: 1.15rem;
}
.sobre-lista h3 { font-size: 1.05rem; color: #0d2440; margin: 2px 0 4px; }
.sobre-lista p { color: #5b6878; font-size: .93rem; line-height: 1.5; margin: 0; }
.sobre-link { color: #0066cc; font-weight: 600; text-decoration: none; }
.sobre-link i { transition: transform .2s ease; margin-left: 4px; }
.sobre-link:hover i { transform: translateX(4px); }

.sobre-lado { display: grid; gap: 20px; }
.sobre-marca {
  background: linear-gradient(135deg, #003366 0%, #0066cc 100%);
  border-radius: 18px; padding: 36px 24px; text-align: center; color: #fff;
  box-shadow: 0 12px 30px rgba(0, 51, 102, .25);
}
.sobre-marca img {
  width: 150px; height: 150px; object-fit: contain;
  background: #fff; border-radius: 50%; padding: 18px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .2);
}
.sobre-marca p { margin: 16px 0 0; letter-spacing: .5px; opacity: .9; }

.sobre-numeros { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.numero {
  background: #fff; border-radius: 14px; padding: 18px 10px; text-align: center;
  box-shadow: 0 4px 16px rgba(0, 40, 90, .06);
}
.numero strong { display: block; font-size: 2rem; color: #004080; line-height: 1.1; }
.numero span:not(.counter) { display: block; font-size: .85rem; color: #5b6878; margin-top: 4px; }

.sobre-nrs { background: #fff; border-radius: 14px; padding: 22px; box-shadow: 0 4px 16px rgba(0, 40, 90, .06); }
.sobre-nrs h3 { font-size: 1rem; color: #0d2440; margin: 0 0 14px; text-align: center; }
.sobre-nrs h3 i { color: #0066cc; margin-right: 6px; }
.sobre-nrs ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.sobre-nrs li {
  display: flex; flex-direction: column; align-items: center;
  flex: 0 1 calc(25% - 10px); padding: 10px 6px; border-radius: 10px;
  background: #eef4fb; border: 1px solid #d6e4f5;
}
.sobre-nrs li b { color: #004080; font-size: 1rem; }
.sobre-nrs li span { color: #5b6878; font-size: .72rem; line-height: 1.25; text-align: center; }

/* ---------- Destaque Concreto Usinado ---------- */
.destaque-concreto { background: linear-gradient(135deg, #0d2440 0%, #004080 60%, #0066cc 100%); color: #fff; padding: 80px 16px; }
.dc-wrap { max-width: 1150px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.dc-texto h2 { font-size: 2.2rem; margin: 14px 0 12px; color: #fff; }
.dc-texto p { opacity: .9; line-height: 1.7; margin-bottom: 18px; }
.dc-texto ul { list-style: none; padding: 0; margin: 0 0 26px; display: grid; gap: 10px; }
.dc-texto li i { color: #ffd54a; margin-right: 10px; }
.dc-botoes { display: flex; gap: 12px; flex-wrap: wrap; }
.dc-btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px; border-radius: 30px; font-weight: 600; text-decoration: none; transition: transform .2s ease, background .2s ease; }
.dc-btn:hover { transform: translateY(-2px); }
.dc-btn.primario { background: #25d366; color: #fff; }
.dc-btn.secundario { border: 2px solid rgba(255,255,255,.8); color: #fff; }
.dc-btn.secundario:hover { background: rgba(255,255,255,.12); }
.dc-imagem img { width: 100%; height: auto; border-radius: 18px; box-shadow: 0 20px 40px rgba(0,0,0,.3); display: block; }

/* ---------- Responsivo ---------- */
@media (max-width: 900px) {
  .sobre-wrap, .dc-wrap { grid-template-columns: 1fr; gap: 32px; }
  .sobre-titulo, .dc-texto h2 { font-size: 1.7rem; }
  .sobre, .destaque-concreto { padding: 56px 16px; }
}
@media (max-width: 480px) {
  .sobre-numeros { grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
  .numero strong { font-size: 1.5rem; }
  .sobre-nrs li { flex-basis: calc(33.333% - 10px); }
}