.join {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 28px 20px 40px;
  max-width: 460px;
  margin: 0 auto;
}
.join-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}
.join-brand .mark { font-size: 28px; }
.join-brand span { color: var(--muted); font-size: 13px; }
.join h1, .join h2 {
  font-size: clamp(28px, 8vw, 40px);
  letter-spacing: -.035em;
  font-weight: 600;
  margin: 0 0 12px;
  white-space: pre-line;
}
.join .kicker { color: var(--muted); margin: 0 0 16px; }
.join form, .join-stack { display: flex; flex-direction: column; gap: 12px; }
.choice, .join .btn {
  width: 100%;
  min-height: 56px;
  border-radius: 14px;
  font-size: 18px;
}
.choice {
  border: 1px solid var(--line);
  background: #fff;
  text-align: left;
  padding: 16px 18px;
}
.choice[aria-pressed="true"] {
  border-color: #111;
  background: #111;
  color: #fff;
}
.wait {
  margin-top: 48px;
}
.wait .check {
  font-size: 36px;
  margin-bottom: 16px;
}
.wait p { color: var(--muted); }
.error { color: var(--danger); font-size: 14px; min-height: 1.2em; }