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

body {
  font-family: 'Montserrat', sans-serif;
  background: linear-gradient(to bottom, #000, #001f33);
  color: #fff;
}

/* HEADER */
header {
  background: #000;
  padding: 18px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid #005c99;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo img {
  height: 70px;
}

/* NAV */
nav ul {
  list-style: none;
  display: flex;
  gap: 22px;
}

nav a {
  color: #00aaff;
  text-decoration: none;
  font-weight: 600;
}

nav a:hover {
  color: #fff;
}

/* HERO */
.hero {
  position: relative;
  padding: 120px 20px;
  text-align: center;
  background: url("img/hero-fondo.jpeg") center/cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.65);
}

.hero * {
  position: relative;
  z-index: 2;
}

.hero-sub {
  margin: 15px auto 25px;
  font-size: 1.1em;
  color: #ddd;
  max-width: 900px;
}

/* BOTONES */
.btn {
  display: inline-block;
  padding: 12px 28px;
  background: #00aaff;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 700;
}

.btn:hover {
  background: #005c99;
}

/* SECCIONES */
.section {
  padding: 70px 20px;
  text-align: center;
}

.section h2 {
  color: #00aaff;
  margin-bottom: 30px;
  font-size: 2em;
}

.section p {
  max-width: 900px;
  margin: 0 auto 15px;
  line-height: 1.6;
}

/* SERVICIOS */
.servicios-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 25px;
}

.servicio {
  background: #111;
  padding: 25px;
  border-radius: 14px;
  width: 260px;
}

.icono {
  color: #00aaff;
  margin-bottom: 15px;
}

/* VECINALES */
.seccion-vecinales {
  background: #000;
  padding: 70px 20px;
}

.contenedor-vecinales {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  max-width: 1200px;
  margin: auto;
  align-items: center;
}

.texto-vecinales {
  flex: 1;
  text-align: left;
}

.texto-vecinales ul {
  list-style: none;
  margin: 20px 0;
}

.texto-vecinales li {
  margin-bottom: 10px;
}

.imagen-vecinales {
  flex: 1;
  display: flex;
  justify-content: center;
}

.imagen-vecinales img {
  width: 100%;
  max-width: 650px;
  max-height: 300px;
  object-fit: contain;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,.6);
}

/* NOSOTROS */
.nosotros-contenedor {
  display: flex;
  gap: 40px;
  max-width: 1200px;
  margin: auto;
  align-items: center;
}

.nosotros-texto {
  flex: 1;
  text-align: left;
}

.nosotros-imagen {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.nosotros-imagen img {
  width: 100%;
  max-width: 520px;
  height: 280px;
  object-fit: cover;
  border-radius: 0;
  box-shadow: none;
}
}

/* FOOTER */
footer {
  background: #000;
  text-align: center;
  padding: 20px;
  color: #aaa;
}

/* WHATSAPP */
.whatsapp {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
}

.whatsapp img {
  width: 55px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    gap: 12px;
  }

  nav ul {
    flex-direction: column;
    align-items: center;
  }

  .contenedor-vecinales,
  .nosotros-contenedor {
    flex-direction: column;
    text-align: center;
  }

  .imagen-vecinales,
  .nosotros-imagen {
    justify-content: center;
  }

  .imagen-vecinales img,
  .nosotros-imagen img {
    max-height: 240px;
  }
}