/* RESET */
body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: #f3f4f6;
}

/* NAVBAR */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
  background: #374151;
  color: white;
}

.navbar a {
  color: white;
  margin-left: 20px;
  text-decoration: none;
  font-weight: 500;
}

/* HERO */
.hero {
  background: linear-gradient(135deg, #06b6d4, #22c55e);
  color: white;
  text-align: center;
  padding: 100px 20px;
}

.hero h1 {
  font-size: 50px;
  margin: 0;
}

.hero p {
  margin-top: 10px;
}

/* BOTONES */
.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 25px;
  background: #f97316;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  transition: 0.3s;
}

.btn:hover {
  background: #ea580c;
}

/* IMPACTO */
.impacto {
  text-align: center;
  padding: 60px;
  background: #ffffff;
  font-size: 22px;
  font-weight: 500;
}

/* SECCIONES */
.section {
  padding: 60px 20px;
  text-align: center;
}

/* CARDS */
.cards {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.card {
  background: white;
  padding: 25px;
  border-radius: 12px;
  width: 250px;
  box-shadow: 0px 4px 10px rgba(0,0,0,0.1);
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-10px);
}

/* SECCIÓN OSCURA */
.dark {
  background: #374151;
  color: white;
}

.dark ul {
  list-style: none;
  padding: 0;
}

/* CONTACTO */
.contacto {
  background: #f9fafb;
}

/* BOTÓN WHATSAPP */
.whatsapp {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25D366;
  color: white;
  font-size: 22px;
  padding: 15px;
  border-radius: 50%;
  text-decoration: none;
  box-shadow: 0px 4px 10px rgba(0,0,0,0.3);
}