* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: linear-gradient(180deg, #0B1120 0%, #020617 100%);
  color: white;
  text-align: center;
  min-height: 100vh;
}

section {
  padding: 50px 20px;
}

h1,
h2,
h3,
h4 {
  color: white;
  margin-top: 0;
}

p {
  color: #cbd5f5;
  line-height: 1.6;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 24px;
  background: #22c55e;
  color: black;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background: #16a34a;
  transform: translateY(-2px);
}

footer {
  margin-top: 40px;
  color: #94a3b8;
  font-size: 14px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

@media (max-width: 768px) {
  section {
    padding: 40px 16px;
  }
}