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

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #fff;
  background: url("https://images.unsplash.com/photo-1505691938895-1758d7feb511?auto=format&fit=crop&w=1600&q=80") no-repeat center center/cover;
}

/* HEADER */
header {
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo span {
  font-size: 20px;
  font-weight: bold;
  color: #fff;
}

nav ul {
  list-style: none;
  display: flex;
}

nav ul li {
  margin: 0 15px;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

.menu-toggle {
  display: none;
  cursor: pointer;
  font-size: 24px;
  color: #fff;
}

/* HERO */
.hero {
  height: 90vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: rgba(0, 0, 0, 0.6);
}

.hero-text h1 {
  font-size: 36px;
  margin-bottom: 15px;
}

.hero-text p {
  margin-bottom: 10px;
  font-size: 18px;
}

.whatsapp-btn {
  display: inline-block;
  margin-top: 15px;
  padding: 12px 20px;
  background: #25d366;
  color: #fff;
  text-decoration: none;
  border-radius: 25px;
  font-weight: bold;
}

/* SECCIONES */
.servicios, .contacto {
  padding: 40px 20px;
  background: rgba(0, 0, 0, 0.6);
  margin: 20px;
  border-radius: 10px;
}

.servicios h2, .contacto h2 {
  text-align: center;
  margin-bottom: 20px;
}

.servicios ul {
  list-style: none;
  text-align: center;
}

.servicios ul li {
  margin: 10px 0;
}

/* FOOTER */
footer {
  background: rgba(0, 0, 0, 0.7);
  text-align: center;
  padding: 20px;
  font-size: 14px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  nav ul {
    display: none;
    flex-direction: column;
    background: #444;
    position: absolute;
    top: 60px;
    right: 20px;
    padding: 10px;
    border-radius: 8px;
  }
  nav ul.active {
    display: flex;
  }
  .menu-toggle {
    display: block;
  }
    }