body {
  font-family: "Poppins", sans-serif;
  margin: 0;
  background-color: #0d0d0d;
  color: #f5f5f5;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}


header {
  background-image: url("img/banner.jpeg");
  background-size: cover;       
  background-position: center;  
  text-align: center;
  padding: 80px 0;              
  font-size: 2em;
  letter-spacing: 2px;
  color: #00bcd4;
  position: relative;
  z-index: 1;
}
header::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: -1; 
}


header .banner {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  margin-top: 20px;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0, 188, 212, 0.3);
}

main {
  display: block; 
  flex: 1;
  padding: 40px 80px;
  max-width: 1000px;
  margin: 0 auto;
  text-align: left;
}

section {
  margin-bottom: 40px;
  line-height: 1.6;
}


.seccion-con-img {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap; 
}

.seccion-con-img img {
  width: 320px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0, 188, 212, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.seccion-con-img img:hover {
  transform: scale(1.03);
  box-shadow: 0 0 25px rgba(0, 188, 212, 0.5);
}

.texto {
  flex: 1;
  min-width: 300px;
}


h2 {
  color: #00bcd4;
  margin-bottom: 10px;
  text-align: left;
}

p, li {
  text-align: left;
  margin-bottom: 10px;
}

ul {
  padding-left: 20px;
}


aside {
  background: #222;
  margin: 40px auto;
  padding: 20px;
  border-radius: 10px;
  width: 80%;
  max-width: 800px;
  box-shadow: 0 0 10px rgba(0, 188, 212, 0.2);
}

aside h3 {
  color: #00bcd4;
}

aside a {
  color: #ccc;
  text-decoration: none;
}

aside a:hover {
  color: #00bcd4;
}


footer {
  background-color: #111;
  text-align: center;
  padding: 15px;
  font-size: 0.9em;
  border-top: 1px solid #333;
}


#profesores {
  margin-top: 40px;
}

#profesores a {
  color: #00bcd4;
  text-decoration: none;
  font-weight: bold;
}

#profesores a:hover {
  color: #66ffff;
  text-decoration: underline;
}


@media (max-width: 768px) {
  main {
    padding: 20px;
  }

  .seccion-con-img {
    flex-direction: column;
    align-items: center;
  }

  .seccion-con-img img {
    width: 100%;
    max-width: 400px;
    margin-top: 15px;
  }

  header {
    font-size: 1.5em;
  }
}
img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 20px auto;
  border-radius: 10px;
}

#sobre-mi img {
  max-width: 250px;
  border-radius: 50%;
}