/* ─── Layout de páginas de contenido ─────────────────────────── */

.header-home-link {
  color: var(--text);
  text-decoration: none;
  font-size: inherit;
}
.header-home-link:hover {
  color: var(--primary);
  text-shadow: 0 0 8px var(--primary);
}

.content-main {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.content-article {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* ─── Tipografía ──────────────────────────────────────────────── */

.content-article h1 {
  font-size: clamp(14px, 2.5vw, 22px);
  color: var(--primary);
  text-shadow: 0 0 12px var(--primary);
  line-height: 1.6;
  border-bottom: 2px solid var(--primary-faint);
  padding-bottom: 20px;
}

body.theme-light .content-article h1 {
  text-shadow: none;
}

.content-article h2 {
  font-size: clamp(10px, 1.8vw, 15px);
  color: var(--primary);
  line-height: 1.6;
  margin-bottom: -16px;
}

.content-article h3 {
  font-size: clamp(9px, 1.4vw, 12px);
  color: var(--text-mid);
  line-height: 1.6;
  margin-bottom: -12px;
}

.content-article p,
.content-article li {
  font-size: clamp(9px, 1.3vw, 11px);
  color: var(--text-mid);
  line-height: 2;
}

.content-article ul {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.content-article strong {
  color: var(--text);
}

.content-article em {
  color: var(--text-dim);
  font-style: normal;
}

body.theme-light .content-article em {
  color: var(--text-mid);
}

.content-link {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.15s;
}

.content-link:hover {
  opacity: 0.75;
}

/* ─── Tablas ──────────────────────────────────────────────────── */

.content-table-wrap {
  overflow-x: auto;
}

.content-article table {
  width: 100%;
  border-collapse: collapse;
  font-size: clamp(8px, 1.2vw, 10px);
}

.content-article th {
  background: var(--primary-faint);
  color: var(--primary);
  padding: 10px 16px;
  text-align: left;
  border: 1px solid var(--primary-faint);
}

.content-article td {
  color: var(--text-mid);
  padding: 10px 16px;
  border: 1px solid var(--primary-faint);
}

.content-article tr:nth-child(even) td {
  background: var(--bg2);
}

/* ─── Ejemplos visuales ───────────────────────────────────────── */

.example-block {
  background: var(--bg2);
  border: 1px solid var(--primary-faint);
  border-left: 3px solid var(--primary-dim);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(3, 36px);
  gap: 3px;
}

.example-grid-wide {
  grid-template-columns: repeat(3, 36px);
}

.example-grid-4col {
  grid-template-columns: repeat(4, 36px);
}

.example-grid-2col {
  grid-template-columns: repeat(2, 36px);
}

.ex-cell {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  border: 1px solid var(--primary-faint);
}

.ex-cell.revealed {
  background: var(--cell-rev);
  color: var(--num1);
}

.ex-cell.revealed.num2 { color: var(--num2); }
.ex-cell.revealed.num3 { color: var(--num3); }
.ex-cell.revealed.empty { background: var(--cell-rev); }

.ex-cell.hidden {
  background: var(--cell-bg);
  color: var(--text-dim);
}

.example-caption {
  font-size: clamp(8px, 1.1vw, 10px);
  color: var(--text-dim);
  line-height: 1.8;
}

/* ─── Patrones y FAQ ──────────────────────────────────────────── */

.pattern-list,
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pattern-item,
.faq-item {
  background: var(--bg2);
  border: 1px solid var(--primary-faint);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pattern-item h3,
.faq-item h3 {
  margin-bottom: 0;
}

/* ─── Navegación entre páginas ────────────────────────────────── */

.content-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--primary-faint);
  margin-top: 8px;
}

.btn-content-nav {
  color: var(--primary);
  text-decoration: none;
  font-size: clamp(8px, 1.2vw, 10px);
  border: 1px solid var(--primary-dim);
  padding: 10px 16px;
  transition: background 0.15s, box-shadow 0.15s;
}

.btn-content-nav:hover {
  background: var(--primary-faint);
  box-shadow: 0 0 8px var(--primary-glow);
}

/* ─── Responsive ──────────────────────────────────────────────── */

@media (max-width: 600px) {
  .content-main {
    padding: 24px 16px 60px;
  }
  .content-nav {
    flex-direction: column;
  }
  .btn-content-nav {
    text-align: center;
  }
}