body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: linear-gradient(to bottom, #ecfdf5, #ccfbf1, #e0f2fe);
  color: #0f172a;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
h1 { color: #0d9488; font-size: 2.5rem; margin-top: 3rem; }
p { color: #115e59; max-width: 700px; margin: 1rem auto; }
button { background-color: #0891b2; color: white; border: none; padding: 0.75rem 1.5rem; border-radius: 8px; cursor: pointer; }
button:hover { background-color: #0e7490; }
form { background: white; padding: 2rem; border-radius: 16px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); margin: 4rem 0; width: 90%; max-width: 500px; }
input, textarea { width: 100%; padding: 0.75rem; border: 1px solid #bae6fd; border-radius: 8px; margin-bottom: 1rem; }
footer { background: linear-gradient(to right, #d1fae5, #ccfbf1, #e0f2fe); padding: 1rem; display: flex; justify-content: space-between; flex-wrap: wrap; color: #115e59; font-size: 0.9rem; width: 100%; box-sizing: border-box; }
footer div { margin: 0.5rem; }