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

body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #222;
}

/* CONTENEDOR CENTRAL */
.contenedor {
  width: 90%;
  max-width: 1100px;
  margin: auto;
  padding: 40px 0;
}

/* HEADER */
header {
  background: #111;
  color: white;
  text-align: center;
  padding: 50px 20px;
}

header h1 {
  font-size: 32px;
  margin-bottom: 10px;
}

header p {
  margin-bottom: 20px;
}

.boton-llamar {
  background: #ffcc00;
  color: black;
  padding: 12px 25px;
  text-decoration: none;
  font-weight: bold;
  border-radius: 5px;
}

/* NAV */
nav{
  background: #222;
  text-align: center;
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav a {
  color: white;
  margin: 0 15px;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  color: #ffcc00;
}

/* HERO */
.hero{
  background-image:
    linear-gradient(rgba(0,0,0,.55), rgba(0,0,0,.55)),
    url("img/hero-electricista.jpg");
  background-size: cover;
  background-position: center;
  text-align: center;
  padding: 90px 20px;
  color: white;
}

.hero h2 {
  font-size: 28px;
  margin-bottom: 15px;
}
.hero p{
  max-width: 900px;
  margin: 0 auto;
  opacity: .95;
}

.boton-principal {
  display: inline-block;
  background: #ffcc00;
  color: black;
  padding: 14px 28px;
  margin-top: 20px;
  text-decoration: none;
  font-weight: bold;
  border-radius: 5px;
}

/* SECCIONES */
section {
  padding: 60px 0;
}

section h2 {
  text-align: center;
  margin-bottom: 30px;
  font-size: 26px;
}

.servicios ul {
  list-style: none;
  max-width: 700px;
  margin: auto;
}

.servicios li {
  padding: 10px 0;
  font-size: 18px;
}

/* CTA */
.cta {
  background: #111;
  color: white;
  text-align: center;
}

.cta h2 {
  margin-bottom: 20px;
}

/* FOOTER */
footer {
  background: #222;
  color: white;
  text-align: center;
  padding: 30px 10px;
  font-size: 14px;
}
.whatsapp-float{
  position: fixed;
  right: 18px;
  bottom: 18px;
  background: #25D366;
  color: white;
  text-decoration: none;
  padding: 12px 16px;
  border-radius: 999px;
  font-weight: bold;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
  z-index: 9999;
}
.whatsapp-float:hover{
  filter: brightness(0.95);
}
.grid-servicios{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.card-servicio{
  background: #fff;
  border-radius: 10px;
  padding: 22px;
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
  border: 1px solid rgba(0,0,0,.06);
}

.card-servicio h3{
  margin-bottom: 10px;
  font-size: 18px;
}

.card-servicio p{
  font-size: 15px;
  color: #333;
}

@media (max-width: 900px){
  .grid-servicios{ grid-template-columns: 1fr; }
}
.formulario{
  max-width: 600px;
  margin: 30px auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.formulario input,
.formulario textarea{
  padding: 12px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 14px;
}
@media (max-width: 768px){

  header h1{
    font-size: 22px;
  }

  .hero h2{
    font-size: 22px;
  }

  nav a{
    display: block;
    margin: 8px 0;
  }

  .boton-principal{
    padding: 12px 20px;
  }

}