/* Estilos acotados a las páginas educativas; la identidad base viene de style.css. */
.learning-page {
  min-height: 100vh;
}

.skip-link {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--bg-void);
  background: var(--accent-cyan);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.learning-header__inner {
  min-height: 68px;
  height: auto;
  gap: 16px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.learning-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  font-size: 0.95rem;
}

.learning-nav a,
.learning-footer a,
.learning-backlink a {
  color: var(--text-dim);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 4px;
}

.learning-nav a:hover,
.learning-footer a:hover,
.learning-backlink a:hover,
.learning-nav a[aria-current="page"] {
  color: var(--accent-cyan);
  text-decoration-color: currentColor;
}

.learning-main {
  padding-top: 40px;
  padding-bottom: 72px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.learning-title {
  max-width: 850px;
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  line-height: 1.12;
}

.learning-lead {
  max-width: 720px;
  margin-top: 18px;
  color: var(--text-dim);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
}

.learning-section {
  margin-top: 54px;
}

.learning-section > h2,
.section-head h2,
.learning-route-link h2,
.assessment-preview h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.2;
}

.section-head {
  margin-bottom: 20px;
}

.section-head p,
.learning-card p,
.learning-callout p,
.learning-route-link p,
.learning-steps p,
.module-card li,
.supplementary-reading,
.assessment-preview p {
  color: var(--text-dim);
}

.section-head p {
  margin-top: 8px;
}

.learning-callout,
.learning-route-link,
.course-status,
.assessment-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px;
  border: 1px solid var(--steel);
  border-left: 3px solid var(--accent-cyan);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

.learning-callout {
  margin-top: 32px;
}

.learning-callout h2,
.course-status h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.8rem);
}

.learning-callout p:not(.learning-kicker),
.course-status p {
  margin-top: 8px;
}

.learning-kicker {
  margin-bottom: 8px;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.learning-button {
  flex: 0 0 auto;
  text-align: center;
}

.learning-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.learning-card {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

.learning-card h3,
.learning-steps h3 {
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.learning-card > a {
  display: inline-block;
  margin-top: 18px;
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.learning-card--featured {
  border-top: 2px solid var(--accent-cyan);
}

.learning-card--upcoming {
  background: var(--bg-void);
}

.learning-card--upcoming .learning-kicker {
  color: var(--accent-amber);
}

.learning-route-link {
  margin-top: 48px;
}

.learning-steps {
  display: grid;
  gap: 14px;
  margin-top: 20px;
  padding: 0;
  list-style: none;
}

.learning-steps li {
  display: grid;
  grid-template-columns: 52px 1fr;
  align-items: start;
  gap: 16px;
  padding: 22px;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

.learning-step-number {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 1.15rem;
}

.learning-note {
  margin-top: 16px;
  color: var(--text-dim);
  font-size: 0.92rem;
}

.course-status {
  align-items: flex-start;
  justify-content: flex-start;
  margin-top: 28px;
  border-left-color: var(--accent-amber);
}

.status-indicator {
  flex: 0 0 10px;
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--accent-amber);
}

.course-status h2 {
  font-size: 1.25rem;
}

.course-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 22px;
  border: 1px solid var(--steel);
  background: var(--steel);
}

.course-facts p {
  display: grid;
  gap: 4px;
  padding: 16px;
  background: var(--bg-panel);
}

.course-facts strong {
  color: var(--accent-cyan);
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.course-facts span {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.module-card {
  margin-top: 14px;
  padding: 22px;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

.module-card h3 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 1.3rem;
}

.module-number {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.module-card ol {
  display: grid;
  gap: 8px;
  padding-left: 24px;
}

.module-card li {
  padding-left: 4px;
}

.module-card li a {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.module-card li::marker {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

.supplementary-reading {
  margin-top: 16px;
  font-size: 0.92rem;
}

.supplementary-reading a {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.assessment-preview {
  display: block;
  margin-top: 32px;
  border-left-color: var(--accent-amber);
}

.assessment-preview .learning-kicker {
  color: var(--accent-amber);
}

.assessment-preview p:last-child {
  margin-top: 10px;
}

.learning-backlink {
  margin-top: 30px;
}

.learning-backlink a {
  color: var(--accent-cyan);
}

.learning-footer {
  padding: 24px 0;
  border-top: 1px solid var(--steel);
}

.learning-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  color: var(--text-dim);
  font-size: 0.9rem;
}

@media (max-width: 760px) {
  .learning-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .learning-header__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .learning-nav {
    gap: 8px 18px;
  }

  .learning-main {
    padding-top: 30px;
  }

  .learning-grid,
  .course-facts {
    grid-template-columns: 1fr;
  }

  .learning-card {
    min-height: 0;
  }

  .learning-callout,
  .learning-route-link {
    align-items: flex-start;
    flex-direction: column;
    padding: 20px;
  }

  .learning-steps li {
    grid-template-columns: 36px 1fr;
    gap: 12px;
    padding: 18px;
  }

  .module-card {
    padding: 18px;
  }
}

/* Lectura pública del piloto: identidad oscura en la marca y superficie clara en el contenido. */
.learning-reader {
  background: #f5f8fc;
  color: #1f2937;
}

.learning-reader .skip-link {
  color: #ffffff;
  background: #1d4ed8;
  border-radius: 4px;
}

.learning-reader .skip-link:focus-visible {
  outline: 3px solid #0b1f33;
  outline-offset: 3px;
}

.learning-reader .reader-main {
  max-width: 840px;
}

.learning-reader .learning-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.learning-reader .breadcrumb {
  color: #475569;
}

.learning-reader .breadcrumb a,
.learning-reader .reader-content a {
  color: #1d4ed8;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.learning-reader .breadcrumb a:hover,
.learning-reader .reader-content a:hover {
  color: #0b1f33;
  text-decoration-thickness: 2px;
}

.learning-reader .reader-kicker {
  margin-bottom: 10px;
  color: #0f766e;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.025em;
}

.learning-reader .learning-title {
  color: #0b1f33;
  font-family: var(--font-body);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
}

.learning-reader .learning-lead {
  max-width: 72ch;
  margin-bottom: 28px;
  color: #475569;
  font-size: clamp(1.08rem, 2.2vw, 1.2rem);
  line-height: 1.65;
}

.reader-content {
  max-width: 72ch;
  padding: clamp(22px, 5vw, 48px);
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 8px 28px rgb(11 31 51 / 5%);
  color: #1f2937;
}

.reader-section + .reader-section,
.reader-section + .reader-notice,
.reader-notice + .reader-section,
.reader-notice + .reader-notice {
  margin-top: 36px;
}

.reader-content h2,
.reader-content h3 {
  color: #0b1f33;
  font-family: var(--font-body);
  line-height: 1.3;
}

.reader-content h2 {
  margin-bottom: 14px;
  font-size: clamp(1.35rem, 3vw, 1.65rem);
}

.reader-content h3 {
  margin-bottom: 8px;
  font-size: 1.12rem;
}

.reader-content p,
.reader-content li {
  color: #1f2937;
  font-size: 1rem;
  line-height: 1.75;
}

.reader-content p + p {
  margin-top: 14px;
}

.reader-content ul,
.reader-content ol {
  display: grid;
  gap: 10px;
  padding-left: 1.4rem;
}

.reader-content li::marker {
  color: #0f766e;
}

.reader-content strong {
  color: #0b1f33;
}

.reader-concept + .reader-concept {
  margin-top: 22px;
}

.reader-concept {
  padding-left: 18px;
  border-left: 3px solid #0f766e;
}

.reader-notice {
  padding: 22px;
  border: 1px solid #cbd5e1;
  border-left: 4px solid #1d4ed8;
  border-radius: 6px;
  background: #eff6ff;
}

.reader-notice h2 {
  margin-bottom: 8px;
  color: #0b1f33;
  font-family: var(--font-body);
  font-size: 1.2rem;
  line-height: 1.35;
}

.reader-notice p,
.reader-notice li {
  color: #1f2937;
  line-height: 1.7;
}

.reader-notice p + p {
  margin-top: 10px;
}

.reader-notice ul {
  display: grid;
  gap: 8px;
  margin: 12px 0;
  padding-left: 1.3rem;
}

.reader-notice--upcoming {
  border-left-color: #92400e;
  background: #fef3c7;
}

.reader-notice--reflection {
  border-left-color: #0f766e;
  background: #ccfbf1;
}

.reader-example {
  padding: 20px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  background: #f5f8fc;
}

.reader-example ol {
  margin: 14px 0;
}

.reader-note {
  color: #475569 !important;
  font-size: 0.94rem !important;
}

.reader-further-reading {
  padding-top: 24px;
  border-top: 1px solid #cbd5e1;
}

.reader-navigation {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 22px;
  max-width: 72ch;
  margin-top: 24px;
}

.reader-navigation a {
  color: #1d4ed8;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.reader-navigation a:hover {
  color: #0b1f33;
}

.reader-next {
  color: #475569;
  font-size: 0.94rem;
}

.module-lessons {
  counter-reset: module-lesson;
  list-style: none;
  padding: 0 !important;
}

.module-lessons li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 16px;
  padding: 14px 0;
  border-bottom: 1px solid #cbd5e1;
}

.module-lessons li::before {
  content: counter(module-lesson, decimal-leading-zero);
  counter-increment: module-lesson;
  grid-column: 1;
  grid-row: 1;
  color: #0f766e;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.module-lessons li > :first-child {
  grid-column: 2;
}

.module-lessons li > :last-child {
  grid-column: 3;
  grid-row: 1;
}

.module-lessons li > :first-child:not(:last-child) {
  margin-left: 0;
}

.lesson-status {
  display: inline-block;
  width: fit-content;
  padding: 3px 8px;
  border: 1px solid #94a3b8;
  border-radius: 999px;
  background: #f8fafc;
  color: #475569;
  font-size: 0.82rem;
  line-height: 1.4;
}

.lesson-status--available {
  border-color: #0f766e;
  background: #ccfbf1;
  color: #0f766e;
}

.learning-reader .learning-footer {
  background: #0a0e12;
  color: #e4e9ed;
}

.learning-reader .learning-footer a {
  color: #e4e9ed;
}

.learning-reader :focus-visible {
  outline: 3px solid #1d4ed8;
  outline-offset: 3px;
}

.learning-reader .learning-header :focus-visible,
.learning-reader .learning-footer :focus-visible {
  outline-color: #00d9c0;
}

@media (max-width: 560px) {
  .learning-reader .learning-header__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .reader-content {
    padding: 22px 18px;
  }

  .reader-notice,
  .reader-example {
    padding: 18px;
  }

  .module-lessons li {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .module-lessons li::before,
  .module-lessons li > :first-child,
  .module-lessons li > :last-child {
    grid-column: 1;
    grid-row: auto;
    margin-left: 0;
  }
}

.module-card__action {
  margin-top: 12px;
}

.module-card__action a {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}