body {
  font-family: Arial, Helvetica, sans-serif;
  background: #111;
  color: #f5f5f5;
  margin: 0;
  padding: 20px;
}

h1 {
  color: #00e5ff;
}

a {
  color: #00e5ff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

av {
  background: #000;
  padding: 10px;
  margin-bottom: 20px;
}

nav a {
  margin-right: 15px;
  font-weight: bold;
}

.sponsors img {
  max-width: 180px;
  margin: 15px;
}

.agenda-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.evento-card {
  background: #111;
  color: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.4);
}

.evento-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.evento-fecha {
  background: #e63946;
  color: #fff;
  padding: 8px;
  font-weight: bold;
  text-align: center;
}

.evento-card h2 {
  margin: 10px;
}

.evento-card .lugar {
  margin: 0 10px;
  font-size: 0.9em;
  opacity: 0.8;
}

.evento-card p {
  margin: 10px;
  font-size: 0.9em;
}