/* Fuente general */
body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  line-height: 1.8;
  font-size: 20px;
  color: #333;
}

/* Hero */
.hero {
  background: url("mis_imagenes/sunset_construccion.png") center/cover no-repeat;
  height: 80vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: white;
  position: relative;
}

.hero .overlay {
  background: rgba(0, 0, 0, 0.6);
  padding: 2rem 3rem;
  border-radius: 12px;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 700;
}

.hero p {
  font-size: 1.8rem;
  margin-top: 1rem;
}

/* Secciones con colores intercalados */
section {
  padding: 4rem 2rem;
  max-width: 1100px;
  margin: auto;
  text-align: center;
}

.about {
  background: #ffffff;
}

.why {
  background: #eeeeee; /* más oscuro */
}

.mission {
  background: #ffffff;
}

.offers {
  background: #eeeeee; /* más oscuro */
}

.services {
  background: #ffffff; /* CAMBIADO: ahora es blanco para alternar correctamente */
}

.contact {
  background: #eeeeee; /* más oscuro */
}

h2 {
  font-size: 2.5rem;
  color: #c0392b;
  margin-bottom: 1.5rem;
}

/* Listas */
.why ul, .offers ul {
  list-style: none;
  padding: 0;
  text-align: left;
}

.why li, .offers li {
  margin: 1rem 0;
  background: #f4f4f4;
  padding: 1rem;
  border-left: 6px solid #c0392b;
}

.offers ul ul {
  margin-top: 0.5rem;
  margin-left: 1rem;
}

.offers ul ul li {
  background: transparent;
  border-left: none;
  padding: 0.3rem 0;
  margin: 0.3rem 0;
  font-size: 0.9em;
}

/* Servicios */
.services .grid {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.services .second-row {
  justify-content: center;
  margin-top: 2rem;
}

.services .card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
  padding: 1.5rem;
  transition: transform 0.3s;
  max-width: 300px;
  flex: 1 1 280px;
}

.services .card:hover {
  transform: translateY(-8px);
}

.services .card img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 1rem;
}

.services .card h3 {
  font-size: 1.6rem;
  margin-bottom: 0.8rem;
  color: #222;
}

/* Footer */
footer {
  background: #222;
  color: #ccc;
  text-align: center;
  padding: 1.2rem;
  font-size: 1rem;
}