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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  background-color: #16181a;
  color: #333;
  padding: 20px;
}

h3 {
  color: #2c3e50;
  margin-bottom: 10px;
}

section {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

/* --- Estilo para los artículos --- */
article {
  background-color: #fff;
  padding: 20px;
  border-radius: 10px;
  border-left: 5px solid #3498db;
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}

article:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}

article p {
  margin-bottom: 10px;
}

/* --- Diferentes colores para cada artículo opcional --- */
.article1 { border-color: #7e3ce7; }
.article2 { border-color: #7e3ce7; }
.article3 { border-color: #7e3ce7; }

/* --- Estilo para código --- */
pre {
  background-color: #ecf0f1;
  padding: 10px;
  border-radius: 5px;
  overflow-x: auto;
  font-family: 'Courier New', Courier, monospace;
  margin-top: 10px;
}

/* --- Botones y links opcional si los agregas luego --- */
button, input[type="submit"] {
  background-color: #3498db;
  color: #fff;
  border: none;
  padding: 8px 15px;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.2s;
}

button:hover, input[type="submit"]:hover {
  background-color: #2980b9;
}