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

body {
  font-family: sans-serif;
  background-color: #f0f0f0;
}

/* Containers con min-height para respetar tu diseño */
#container1 {
  width: 1000px;
  min-height: 900px; /* altura mínima original */
  margin: 0 auto;
  background-color: #c8c8c8;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 50px;
  padding-top: 50px;
}

#container2 {
  width: 1000px;
  min-height: 1100px;
  margin: 0 auto;
  background-color: #c8c8c8;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 50px;
  padding-top: 50px;
}

#container3 {
  width: 1000px;
  min-height: 1100px;
  margin: 0 auto;
  background-color: #c8c8c8;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 50px;
  padding-top: 50px;
}

#container4 {
  width: 1000px;
  min-height: 1650px;
  margin: 0 auto;
  background-color: #c8c8c8;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 50px;
  padding-top: 50px;
  padding-bottom: 50px;
}

/* Videos */
.video {
  width: 900px;
  display: flex;
  justify-content: center;
}

/* Alturas específicas */
.video.short iframe { height: 300px; }  /* primer video */
.video.medium iframe { height: 505px; } /* la mayoría de los videos */

/* Iframes comunes */
.video iframe {
  width: 100%;
  border: 0;
  pointer-events: auto;
}