*{
  box-sizing:border-box;
}

html,
body{
  width:100%;
  max-width:100%;
  overflow-x:hidden;
}

body{
  font-family:Arial, Helvetica, sans-serif;
  margin:0;
  background:linear-gradient(180deg,#f7fbff,#eaf6ff);
  color:#1a2530;
  line-height:1.65;
}

header{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:36px clamp(16px,4vw,40px) 18px;
  text-align:left;
}

main{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:12px clamp(16px,3vw,32px) 36px;
}

h1{
  font-size:clamp(2rem,5vw,3.4rem);
  font-weight:900;
  margin:0 0 20px;
  color:#1a2530;
  line-height:1.1;
  overflow-wrap:break-word;
}

p{
  font-size:clamp(1rem,2vw,1.15rem);
  text-align:left;
  margin:0 0 18px;
  overflow-wrap:break-word;
}

p:first-of-type{
  font-size:clamp(1.08rem,2vw,1.25rem);
  font-weight:600;
}

img{
  display:block;
  width:min(100%,700px);
  height:auto;
  margin:24px auto;
  border-radius:24px;
  box-shadow:0 14px 28px rgba(26,37,48,.18);
}

.imagenPrincipal{
  width:100%;
  max-width:760px;
  margin:0 auto 34px;
  text-align:center;
}

.imagenPrincipal img{
  max-width:100%;
}

video,
iframe{
  max-width:100%;
}

table{
  width:100%;
  max-width:100%;
}

ul,
ol{
  padding-left:1.4rem;
}

li{
  overflow-wrap:break-word;
}

@media(max-width:768px){
  header{
    padding:28px 18px 14px;
  }

  main{
    padding:10px 18px 30px;
  }

  img{
    border-radius:18px;
  }
}

@media(max-width:480px){
  header{
    padding:24px 14px 12px;
  }

  main{
    padding:8px 14px 26px;
  }

  h1{
    font-size:clamp(1.8rem,9vw,2.5rem);
  }
}

.imagenPrincipal img{
  width:min(100%,700px);
  height:auto;
}

@media (max-width:1200px){
  .imagenPrincipal img{
    width:min(100%,420px);
  }
}

@media (max-width:768px){
  .imagenPrincipal img{
    width:min(100%,350px);
  }
}

@media (max-width:480px){
  .imagenPrincipal img{
    width:min(100%,300px);
  }
}