@media (max-width: 600px) {
  header h1 {
    font-size: 2.25rem;
  }
  .about-content {
    padding: 1.3rem 0.8rem;
  }
}

header {
    min-height: 260px;
}

.about-content {
  background: linear-gradient(135deg, #1e293b 80%, #38bdf8 100%);
  padding: 2.5rem 1.5rem;
  border-radius: 14px;
  max-width: 700px;
  margin: 0 auto;
  box-shadow: 0 4px 14px rgba(56,189,248,0.09);
  color: #e0f2fe;
  font-size: 1.13rem;
  line-height: 1.7;
  border: 1.5px solid #38bdf8;
}

ul {
  text-align:left;
  max-width:500px;
  margin:2rem auto 1.5rem;
  list-style:square;
  color:#bfdbfe;
  padding-left: 1.2em;
}

li {
  margin-bottom:0.7em;
  color:#e0f2fe;
  font-size: 1.08rem;
}