* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

.hero {
  background: #0f172a;
  color: #fff;
  padding: 4rem 0;
  text-align: center;
}

.hero .cta {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  background: #2563eb;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
}

section {
  padding: 3rem 0;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.contact form {
  display: grid;
  gap: 1rem;
}

input, textarea, button {
  padding: 0.75rem;
  font-size: 1rem;
}

button {
  background: #2563eb;
  color: #fff;
  border: none;
  cursor: pointer;
}

footer {
  background: #f1f5f9;
  padding: 2rem 0;
  text-align: center;
  font-size: 0.9rem;
}