* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  color: var(--source-text);
  background: var(--source-light);
  font-family: var(--client-body-font-stack);
}

.empty-shell {
  width: min(620px, calc(100% - 40px));
  padding: 56px 0;
}

.brand {
  margin-bottom: 34px;
}

.logo {
  width: min(190px, 48vw);
  height: auto;
}

.mark {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  color: var(--white);
  background: var(--source-deep);
  border-radius: var(--brand-radius);
  font-family: var(--client-heading-font-stack);
  font-weight: var(--client-heading-weight);
}

h1 {
  max-width: 13ch;
  margin: 0;
  color: var(--source-deep);
  font-family: var(--client-heading-font-stack);
  font-size: clamp(40px, 8vw, 78px);
  font-weight: var(--client-heading-weight);
  line-height: 0.94;
}

p {
  max-width: 34rem;
  margin: 24px 0 0;
  color: var(--source-neutral);
  font-size: 18px;
  line-height: 1.6;
}