body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial;
  margin: 0;
  background: #0b0f17;
  color: #e8eefc;
}

header.hero {
  padding: 80px 20px;
  text-align: center;
  background: linear-gradient(135deg, #111827, #0b0f17);
}

h1 {
  font-size: 42px;
  margin-bottom: 10px;
}

h2 {
  margin-top: 40px;
  color: #7dd3fc;
}

.container {
  max-width: 900px;
  margin: auto;
  padding: 40px 20px;
}

p {
  line-height: 1.7;
  color: #cbd5e1;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 20px;
  background: #3b82f6;
  color: white;
  text-decoration: none;
  border-radius: 8px;
}

footer {
  text-align: center;
  padding: 40px;
  font-size: 12px;
  opacity: 0.6;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

th, td {
  border: 1px solid #334155;
  padding: 10px;
  text-align: left;
}

th {
  background: #111827;
}

input {
  width: 100%;
  padding: 10px;
  margin: 5px 0 15px 0;
  border-radius: 6px;
  border: 1px solid #334155;
  background: #0b0f17;
  color: white;
}