body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background-color: #0a0a0a;
  color: #ccc;
}

.hero {
  background: linear-gradient(180deg, #0f0f0f, #111);
  padding: 100px 20px;
  text-align: center;
  color: #00ff99;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

.logo {
  font-size: 3em;
  margin: 0;
  color: #00ff99;
}

.subtitle {
  font-size: 1.2em;
  color: #ccc;
}

section {
  padding: 60px 20px;
}

h2 {
  color: #00ff99;
  font-size: 2em;
  margin-bottom: 20px;
}

p {
  line-height: 1.6;
  color: #aaa;
}

.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}

.card {
  background-color: #1a1a1a;
  border-radius: 10px;
  overflow: hidden;
  flex: 1 1 calc(33% - 20px);
  box-shadow: 0 0 10px rgba(0, 255, 153, 0.1);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: scale(1.05);
}

.card img {
  width: 100%;
  height: auto;
  display: block;
}

.card h3 {
  color: #00ff99;
  margin: 15px;
}

.card p {
  margin: 0 15px 15px;
  color: #bbb;
}

.btn {
  display: inline-block;
  padding: 12px 25px;
  background-color: #00ff99;
  color: #000;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background 0.3s ease;
}

.btn:hover {
  background-color: #00cc77;
}

footer {
  text-align: center;
  padding: 20px;
  background-color: #111;
  color: #666;
}

@media (max-width: 768px) {
  .cards {
    flex-direction: column;
  }
  .card {
    flex: 1 1 100%;
  }
}