/* Tipografía y ajustes generales */
body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: #222;
}

/* Hero corporativo */
.hero {
  position: relative;
  min-height: 52vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-radius: 0.75rem;
  overflow: hidden;
}

/* Capa oscura para legibilidad */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    rgba(0,0,0,0.55),
    rgba(0,0,0,0.55)
  );
}

/* Contenido del hero */
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  padding: 3rem 1.25rem;
}

.hero-title {
  font-weight: 800;
  letter-spacing: 0.3px;
}

.hero-subtitle {
  font-size: 1.15rem;
  max-width: 900px;
  margin: 0.75rem auto 1.5rem;
  opacity: 0.95;
}

/* Botones hero */
.btn-cta {
  padding: 0.75rem 1.35rem;
  font-weight: 600;
  border-radius: 0.6rem;
}

.btn-cta-primary {
  background-color: #0d6efd;
  color: #fff;
  border: none;
}

.btn-cta-primary:hover {
  background-color: #0b5ed7;
  color: #fff;
}

.btn-cta-outline {
  border: 2px solid #fff;
  color: #fff;
  background: transparent;
}

.btn-cta-outline:hover {
  background: #fff;
  color: #111;
}

/* Separación del resto de contenido */
.section {
  margin-top: 2rem;
}

/* Tarjetas con imagen (index y servicios) */
.card-img-top {
  height: 180px;
  object-fit: cover;
  border-top-left-radius: 0.5rem;
  border-top-right-radius: 0.5rem;
}

/* Encabezados de sección */
.section-title {
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
}

/* Contacto */
.contact-info p {
  margin: 0.25rem 0;
  font-size: 1.05rem;
}

/* Responsividad del hero */
@media (max-width: 576px) {
  .hero {
    min-height: 46vh;
  }
  .hero-title {
    font-size: 1.85rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
}

/* Tarjetas de obras */
.obra-card {
  transition: transform 0.3s;
}
.obra-card:hover {
  transform: translateY(-5px);
}

/* Imágenes dentro de las tarjetas de obras */
.obra-card img {
  height: 180px;
  object-fit: cover;
  border-top-left-radius: 0.5rem;
  border-top-right-radius: 0.5rem;
}