:root {
  --primary: #ff6600;
  --background: #0a0a0a;
  --card: #191919;
  --text: #fff;
  --accent: #ffaa66;
  --muted: #888;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background-color: var(--background);
  color: var(--text);
}
header {
  padding: 5rem 2rem 2rem;
  text-align: center;
  background: radial-gradient(circle at top center, #1f1f1f 0%, #0a0a0a 100%);
}
header img {
  width: 300px;
  margin-bottom: 1rem;
}
header h1 {
  font-size: 3rem;
  color: var(--primary);
  margin: 0;
}
header p {
  font-size: 1.25rem;
  color: var(--muted);
  max-width: 500px;
  margin: 0 auto 1.5rem;
}
.btn {
  background: var(--primary);
  color: #000;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: bold;
  text-decoration: none;
  font-size: 1.1rem;
  transition: all 0.3s ease;
}
.btn:hover {
  background: #e65c00;
}
section {
  padding: 5rem 2rem;
  max-width: 1000px;
  margin: auto;
}
h2.section-title {
  font-size: 2.5rem;
  text-align: center;
  color: var(--accent);
  margin-bottom: 2rem;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.card {
  background-color: var(--card);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 0 10px rgba(255, 102, 0, 0.1);
}
footer {
  text-align: center;
  padding: 3rem 2rem;
  background: #111;
  color: #666;
}
a {
  color: var(--accent);
}