body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: #f0f2f5;
  color: #333;
}

.app-container {
  max-width: 1200px;
  margin: auto;
  padding: 60px 20px;
}

.main-title {
  text-align: center;
  font-size: 44px;
  font-weight: 800;
  margin-bottom: 100px;
  color: #c0392b;
}

/* Secciones */
.rubro-section {
  padding: 60px 40px;
  margin-bottom: 80px;
  border-radius: 25px;
  box-shadow: 0 12px 35px rgba(0,0,0,0.08);
  background: #fff;
  transform: translateY(30px);
  opacity: 0;
  transition: all 0.8s ease;
  position: relative;
}

.rubro-section.visible {
  transform: translateY(0);
  opacity: 1;
}

/* Contenido Flex */
.rubro-content {
  display: flex;
  gap: 50px;
  align-items: flex-start;
  justify-content: flex-start;
  flex-wrap: wrap;
}

/* Video Vertical */
.rubro-video {
  flex: 1;
  min-width: 280px;
  display: flex;
  justify-content: center;
}

.video-vertical-container {
  width: 300px;
  height: 520px;
  border-radius: 25px;
  overflow: hidden;
  box-shadow: 0 12px 35px rgba(0,0,0,0.2);
  background: #000;
}

.main-video-vertical {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 25px;
}

/* Info */
.rubro-info {
  flex: 1;
  min-width: 300px;
  display: flex;
  flex-direction: column;
}

.rubro-info h2 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 25px;
  color: #c0392b;
}

/* Características en columnas */
.features-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 25px;
  color: bla;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  font-size: 16px;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeSlide 0.5s forwards;
  color: black;
}

.feature-item:nth-child(odd) { animation-delay: 0.1s; }
.feature-item:nth-child(even) { animation-delay: 0.2s; }

.icon {
  color: #c0392b;
  font-weight: bold;
  margin-right: 10px;
  flex-shrink: 0;
}

@keyframes fadeSlide {
  to { opacity: 1; transform: translateY(0); }
}

/* Botón Demo */
.demo-btn {
  background: #c0392b;
  color: #fff;
  border: none;
  padding: 14px 30px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  align-self: flex-start;
}

.demo-btn:hover {
  background: #992d22;
  transform: translateY(-2px);
}

/* ------------------- RESPONSIVE ------------------- */
@media (max-width: 992px) {
  .rubro-content {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
  }

  .video-vertical-container {
    width: 240px;
    height: 420px;
  }

  .features-columns {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .rubro-info h2 {
    text-align: center;
  }

  .demo-btn {
    align-self: center;
  }
}

@media (max-width: 480px) {
  .video-vertical-container {
    width: 180px;
    height: 320px;
  }

  .rubro-info h2 {
    font-size: 28px;
  }

  .demo-btn {
    width: 100%;
    padding: 12px;
  }
}