.public-copy {
  padding-top: 40px;
  padding-bottom: 45px;
}
.public-copy section {
  margin: 30px 0;
}
.public-copy h2 {
  margin-top: 30px;
}
#publicContact {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  margin: 26px 0;
}
#publicContact label {
  display: block;
  font-weight: 600;
  margin: 16px 0 6px;
}
#publicContact input,
#publicContact textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}
#publicContact button {
  margin-top: 20px;
  border: 0;
  font: inherit;
  cursor: pointer;
}
#publicContact button:disabled {
  opacity: 0.6;
}
.contact-trap {
  position: absolute;
  left: -10000px;
}
.home-public {
  padding-bottom: 50px;
}
.home-public .hero {
  padding-top: 45px;
  padding-bottom: 38px;
}
.home-eyebrow {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}
.home-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.home-note {
  font-size: 0.85rem;
  color: var(--muted);
}
.home-section {
  margin: 34px 0;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.home-section h2 {
  font-size: clamp(1.45rem, 3vw, 2rem);
  letter-spacing: -0.03em;
  line-height: 1.25;
  margin: 0 0 18px;
}
.home-features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.home-features article {
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
}
.home-features h3 {
  margin-top: 0;
}
.home-features a {
  font-weight: 600;
  font-size: 0.9rem;
}
.home-lesson-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px 20px;
  list-style: none;
  padding: 0;
}
.home-lesson-links a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
  text-decoration: none;
}
.home-lesson-links a:hover {
  text-decoration: underline;
}
.home-lesson-links span {
  font-size: 0.78rem;
  color: var(--muted);
}
.home-language {
  margin-top: 25px;
  font-size: 0.9rem;
}
#homeResume[hidden] {
  display: none;
}
.context-links {
  margin: 24px 0;
  padding: 18px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
}
/* Match the lesson's inner column, preserving equal mobile gutters. */
#app > .context-links {
  width: calc(100% - 48px);
  max-width: 992px;
  margin: 24px auto;
}
.context-links p {
  margin: 4px 0;
  font-size: 0.9rem;
}
.context-links a {
  text-underline-offset: 3px;
}
@media (max-width: 760px) {
  .home-features,
  .home-lesson-links {
    grid-template-columns: 1fr;
  }
  .home-public .hero {
    padding-top: 28px;
  }
}
@media print {
  .home-actions,
  .home-language,
  #publicContact button {
    display: none;
  }
  .home-features,
  .home-lesson-links {
    display: block;
  }
}

.practice-block {
  border-top: 1px solid var(--line);
  margin: 30px 0;
  padding-top: 8px;
}
.editor-note {
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.article-categories {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 36px;
}
.article-categories a {
  margin: 0;
  padding: 8px 13px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  font-size: 0.85rem;
}
.article-group {
  scroll-margin-top: 20px;
  margin: 40px 0;
}
.guide-diagram img,
figure.diag img {
  width: 100%;
  height: auto;
  border-radius: 14px;
}
.puzzle-guide-copy {
  padding: 24px 24px 48px;
  max-width: 860px;
}
.puzzle-guide-copy section {
  margin: 32px 0;
}
.puzzle-guide-copy h2 {
  font-size: 1.5rem;
}
.puzzle-guide-copy details {
  background: var(--surface);
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.puzzle-guide-copy summary {
  cursor: pointer;
  font-weight: 600;
}
.puzzle-topic-links a {
  display: inline-block;
  margin: 6px 15px 6px 0;
}

.footer-info {
  font-size: 0.82rem;
  padding-top: 10px;
}
.page-language {
  font-size: 0.85rem;
  margin-top: 25px;
  margin-bottom: 25px;
}