/* Estilo moderno azul y blanco */

body {
  margin: 0;
  padding: 0;
  font-family: 'Poppins', sans-serif;
  color: #1a1a1a;
  background: #ffffff;
  transition: all 0.3s ease;
}

/* Contenedor principal */
.container, .content, .site {
  max-width: 1200px;
  margin: auto;
  padding: 0 20px;
}

/* Imágenes fluidas */
img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

/* Encabezado */
header, nav {
  background: #0077ff;
  color: #ffffff;
  padding: 12px 20px;
  text-align: center;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  gap: 20px;
}

nav ul li a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
  transition: 0.3s;
}

nav ul li a:hover {
  color: #e0f0ff;
}

/* Botones */
button, .btn, input[type="submit"] {
  background: linear-gradient(90deg, #0077ff, #009dff);
  color: #ffffff;
  border: none;
  padding: 12px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

button:hover, .btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 15px rgba(0, 119, 255, 0.3);
}

/* Menú hamburguesa */
.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  position: absolute;
  right: 20px;
  top: 15px;
}

.menu-toggle span {
  background: white;
  height: 3px;
  width: 25px;
  margin: 4px 0;
  transition: 0.3s;
}

/* Responsive */
@media (max-width: 768px) {
  nav ul {
    display: none;
    flex-direction: column;
    background-color: #0077ff;
    text-align: center;
    padding: 10px;
  }

  .menu-toggle {
    display: flex;
  }

  nav ul.active {
    display: flex;
  }
}

h1, h2, h3 {
  line-height: 1.2;
}

@media (max-width: 600px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.4rem; }
  p { font-size: 1rem; }
}