*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: "Open Sans", Arial, sans-serif;
  color: #25364a;
  background: #f7f9fc;
  line-height: 1.6;
}

.wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.card {
  width: min(560px, 100%);
  text-align: center;
  background: #fff;
  border: 1px solid #e5ebf2;
  border-radius: 18px;
  box-shadow: 0 14px 36px rgba(24, 44, 68, 0.07);
  padding: 2.5rem 2rem;
}

.mark {
  margin: 0 0 1rem;
  color: #1676c2;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.card h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1.2;
}

.lead {
  margin: 0;
  color: #4f5f70;
}