body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #020609;
  color: #ffffff;
  scroll-behavior: smooth;
}
header {
  background: linear-gradient(to right, #CC2303, #386EA2);
  padding: 1rem 2rem;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header img {
  height: 40px;
}
nav a {
  margin-left: 1.5rem;
  text-decoration: none;
  color: #ffffff;
  font-weight: bold;
}
.hero {
  padding: 8rem 2rem 4rem;
  text-align: center;
  background: linear-gradient(45deg, #020609, #386EA2, #020609);
  background-size: 400% 400%;
  animation: gradientBG 10s ease infinite;
}
@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.hero p {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}
section {
  padding: 4rem 2rem;
  max-width: 1000px;
  margin: auto;
}
h3 {
  color: #CC2303;
  margin-bottom: 1rem;
  font-size: 1.6rem;
}
.footer {
  background-color: #111;
  color: #aaa;
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
}
a.button {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  background-color: #386EA2;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
}
@media screen and (max-width: 768px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }
  nav a {
    display: block;
    margin: 0.5rem 0;
  }
  .hero h2 {
    font-size: 1.8rem;
  }
}