:root {
  --bg-color: #ffffff;
  --text-color: #333333;
  --card-bg: #f9f9f9;
  --card-border: #dddddd;
  --banner-image: url('../img/BannerAzul.png');
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #1E384B; /*#1e1e1e;*/
    --text-color: #f0f0f0;
    --card-bg: #2D4A60; /* Azul corporativo oscuro */
    --card-border: #333333;
    --banner-image: url('../img/BannerBlanco.png');
  }
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container {
  width: 80%;
  max-width: 1000px;
  padding: 20px;
}

.banner {
  width: 100%;
  height: 100px;
  background: var(--banner-image) no-repeat center center;
  background-size: contain;
  margin-bottom: 30px;
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 30px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.card h2 {
  margin-top: 0;
  font-size: 1.4em;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 10px;
}

.card a {
  display: block;
  margin: 8px 0;
  color: var(--text-color);
  text-decoration: none;
}

.card a:hover {
  text-decoration: underline;
}