.masthead {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
  padding: 1.5rem 1.5rem 0;
}

.guest,
.host {
  max-width: 22rem;
  margin: 8vh auto 0;
  padding: 0 1.5rem 4rem;
}

.hero:empty {
  display: none;
}

.hero img {
  display: block;
  width: 100%;
  max-width: 14rem;
  height: auto;
  margin: 0 auto 1.5rem;
}

.mark {
  display: block;
  width: 40px;
  height: 40px;
}

h1 {
  margin: 1.5rem 0 0.75rem;
}

h2 {
  margin: 0 0 1.5rem;
}

.purpose {
  margin: 0 0 0.5rem;
}

.detail {
  margin: 0 0 0.5rem;
}

.detail:has(+ form),
.purpose:has(+ form) {
  margin-bottom: 2.5rem;
}

.detail a {
  color: inherit;
}

form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

form.hidden {
  display: none;
}

.status {
  min-height: 1.5em;
  margin-top: 1rem;
}

@media (max-width: 640px) {
  .guest,
  .host {
    margin-top: 10vh;
  }
}