body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #0a0a0a;
  color: #f0f0f0;
}

header {
  text-align: center;
  background: #111;
  padding: 30px 10px;
  border-bottom: 2px solid #333;
}

header h1 {
  font-size: 2.5em;
  color: #00ffc8;
}

.subtitle {
  color: #999;
  margin-top: 10px;
}

nav {
  margin-top: 20px;
}

nav a {
  margin: 0 15px;
  color: #ccc;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  color: #00ffc8;
}

.hero {
  text-align: center;
  padding: 100px 20px;
  position: relative;
  overflow: hidden;
  background: #0d0d0d;
}

.hero h2 {
  font-size: 2em;
  z-index: 10;
  position: relative;
}

#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1;
}

section {
  padding: 40px 20px;
  max-width: 900px;
  margin: auto;
}

#cryptoPrices, #newsContainer {
  margin-top: 20px;
}

footer {
  text-align: center;
  padding: 20px;
  background: #111;
  font-size: 14px;
  color: #777;
}