.article-signup[hidden] {
  display: none;
}

.article-signup {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  align-items: center;
  gap: 1.25rem;
  margin-top: clamp(1.5rem, 4vw, 2.75rem);
  padding: clamp(1.125rem, 4vw, 2rem);
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--red);
  color: var(--ink);
  line-height: 1.55;
}

.article-signup p {
  font-size: 0.875rem;
  color: var(--warm-text);
}

.article-signup .section-label {
  margin-bottom: 0.5rem;
  color: var(--red-hover);
  font-size: 0.625rem;
}

.article-signup h2,
.article-signup h3 {
  margin: 0 0 0.5rem;
  font-family: var(--display);
  font-size: clamp(1.875rem, 3.5vw, 2.625rem);
  line-height: 1.05;
}

.article-signup label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 700;
}

.article-signup-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.article-signup input,
.article-signup button {
  min-height: 44px;
  padding: 0.625rem 0.875rem;
  font: inherit;
}

.article-signup input {
  flex: 1 1 11rem;
  min-width: 0;
  border: 1px solid var(--muted);
  background: var(--white);
  color: var(--ink);
}

.article-signup button {
  border: 1px solid var(--red);
  background: var(--red);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
}

.article-signup button:hover {
  background: var(--red-hover);
  border-color: var(--red-hover);
}

.article-signup .article-signup-note {
  margin-top: 0.5rem;
  font-size: 0.75rem;
}

.article-signup-note a {
  text-decoration: underline;
  text-underline-offset: 2px;
}