* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #172033;
  background: #f4f7fb;
}

.hero {
  min-height: 75vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(135deg, #e8f0ff, #ffffff);
}

.card {
  width: min(720px, 100%);
  text-align: center;
  background: white;
  padding: 56px 28px;
  border-radius: 24px;
  box-shadow: 0 16px 50px rgba(0,0,0,.08);
}

.tag {
  font-size: 13px;
  font-weight: bold;
  letter-spacing: 3px;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(42px, 10vw, 76px);
  margin: 0 0 16px;
}

.subtitle {
  max-width: 560px;
  margin: 0 auto 28px;
  font-size: 18px;
  line-height: 1.7;
}

.button {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 999px;
  background: #172033;
  color: white;
  text-decoration: none;
}

.section {
  max-width: 760px;
  margin: auto;
  padding: 70px 24px;
  line-height: 1.7;
}

footer {
  text-align: center;
  padding: 28px;
  color: #667085;
}