.promo-section {
  background: #0d0d0d; /* ejemplo fondo oscuro */
  color: #fff;
  padding: 60px 20px;
  font-family: Arial, sans-serif;
}

.promo-banner {
  display: flex;
  align-items: center;
  justify-content: end;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.banner-content {
  flex: 1 1 400px;
  max-width: 600px;
}

.banner-title {
  font-size: 3rem;
  margin: 0 0 20px;
  line-height: 1.2;
}

/*.banner-subtitle {
  font-size: 1.25rem;
  margin: 0 0 30px;
  color: #cccccc;
}*/

.banner-btn {
  display: inline-block;
  padding: 15px 30px;
  background: #0D0D0D; /* amarillo brillante */
  color: #cccccc;
  text-decoration: none;
  font-weight: bold;
  border-radius: 4px;
  transition: color 0.6s;
}

.banner-btn:hover {
  color: #ffcc00;
}

.banner-image {
  flex: 1 1 300px;
  text-align: right;
}

.banner-image img {
  max-width: 60%;
  height: auto;
  display: flex;
  border-radius: 300px 300px 0 0 ;
  justify-self: center;
  box-shadow:0 0 30px #fff;
}

.countdown-card {
  background: #ffcc00; /* la tarjeta amarilla */
  color: #0d0d0d;
  max-width: 500px;
  margin: 0 auto;
  padding: 40px 20px;
  border-radius: 8px;
  text-align: center;
}

.card-heading {
  font-size: 2rem;
  margin: 0 0 30px;
}

.countdown-timer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin: 0 0 30px;
}

.time-block {
  flex: 1 1 100px;
  margin: 10px;
}

.time-value {
  display: block;
  font-size: 2.5rem;
  font-weight: bold;
}

.time-label {
  display: block;
  font-size: 1rem;
  color: #333333;
}

.card-btn {
  display: inline-block;
  padding: 12px 25px;
  background: #0d0d0d;
  color: #ffffff;
  text-decoration: none;
  font-weight: bold;
  border-radius: 4px;
  transition: background 0.3s;
}

.card-btn:hover {
  background: #1a1a1a;
}