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

body {
  background: #f4f7f5;
  font-family: Arial, Helvetica, sans-serif;
  color: #111;
}

.signature-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

h1 {
  font-size: 28px;
  margin-bottom: 30px;
  color: #111;
}

.signature-card {
  background: #ffffff;
  padding: 25px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  max-width: 1100px;
  width: 100%;
  text-align: center;
}

.signature-card img {
  max-width: 100%;
  height: auto;
  display: block;
}

.note {
  margin-top: 25px;
  font-size: 14px;
  color: #555;
}