* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  width: 100%;
  height: 100%;
  font-family: "Open Sans", sans-serif;
}

/* ===== CAJAS ===== */
.contenedor-cajas {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 40px auto;
  max-width: 1200px;
  padding: 0 15px;
}

.caja {
  background: #fff;
  border-radius: 12px;
  border: 1px solid #ddd;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  padding: 20px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.caja:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}

.caja h2 {
  font-size: 20px;
  margin-bottom: 10px;
  color: #333;
}

.caja img {
  width: 100%;
  max-width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.caja p {
  font-size: 14px;
  margin-bottom: 15px;
  color: #555;
}

.caja a {
  display: inline-block;
  margin: 5px;
  color: #0066cc;
  font-weight: 600;
  text-decoration: none;
}

.caja a:hover {
  text-decoration: underline;
}

@media (max-width: 600px) {
  .contenedor-cajas {
    grid-template-columns: 1fr;
  }

  .header h1, .header h2 {
    font-size: 26px;
  }

  .imglogoc {
    width: 120px;
    height: 120px;
  }

  .direc {
    font-size: 16px;
  }
}