/* Paleta azul de Estructuras compartida por cursos, rutas y vistas previas. */
[data-tab-panel="cursos"] [data-branch="construccion"],
.aula-course-card[data-branch="construccion"],
.home-course-card[data-branch="construccion"],
.preview-modal[data-branch="construccion"],
.specializations-page .specialization-card[data-branch="construccion"],
.specialization-detail-v22[data-branch="construccion"],
.aula-specialization-card[data-branch="construccion"] {
  --branch-accent: #1d71b8;
  --branch-deep: #12385d;
  --branch-soft: #eaf4fb;
  --branch-line: #b8d3ee;
  --branch-shadow: rgba(18, 56, 93, .17);
  --specialization-accent: #1d71b8;
  --specialization-accent-soft: #eaf4fb;
  --specialization-deep: #12385d;
  --specialization-line: #b8d3ee;
  --specialization-shadow: rgba(18, 56, 93, .17);
}
[data-tab-panel="cursos"] [data-branch="construccion"] .catalog-card-play,
.home-course-card[data-branch="construccion"] :is(.home-course-preview, .home-course-details) {
  color: var(--branch-deep); border-color: var(--branch-line);
}
[data-tab-panel="cursos"] [data-branch="construccion"] .catalog-card-play i,
.home-course-card[data-branch="construccion"] .home-course-preview i { background: var(--branch-accent); }
.home-course-card[data-branch="construccion"] { border-top: 3px solid var(--branch-accent); }
.home-course-card[data-branch="construccion"] .home-course-category { color: var(--branch-deep); }
.preview-modal[data-branch="construccion"] { border-top: 4px solid var(--branch-accent); }
.preview-modal[data-branch="construccion"] .preview-modal-head { background: var(--branch-soft); border-bottom-color: var(--branch-line); }
.preview-modal[data-branch="construccion"] .preview-modal-head :is(span, strong) { color: var(--branch-deep); }
.preview-modal[data-branch="construccion"] .preview-modal-head button { background: #fff; color: var(--branch-deep); border-color: var(--branch-line); }
.preview-modal[data-branch="construccion"] .preview-lesson-panel { background: #f7faff; border-color: var(--branch-line); }
.preview-modal[data-branch="construccion"] :is(.preview-lesson-panel-head h3, .preview-lesson-panel-head span, .course-introduction-module > span) { color: var(--branch-deep); }
.preview-modal[data-branch="construccion"] .course-introduction-module { border-bottom-color: var(--branch-line); }
.preview-modal[data-branch="construccion"] .preview-lesson-list button.active { background: var(--branch-soft); border-color: var(--branch-accent); }
.preview-modal[data-branch="construccion"] :is(.preview-item-number, .demo-playback-toggle) { background: var(--branch-accent); color: #fff; }
.preview-modal[data-branch="construccion"] :is(.preview-lesson-list button.active .preview-item-module, .preview-lesson-list button.active .preview-item-lesson) { color: var(--branch-deep); }
.preview-modal[data-branch="construccion"] .preview-demo-player .demo-timeline span { background: #81d4fa; }
.preview-modal[data-branch="construccion"] .demo-video-meta { background: #102336; }
.preview-modal[data-branch="construccion"] .video-overlay > span { background: var(--branch-accent); }
.preview-modal[data-branch="construccion"] :focus-visible,
[data-tab-panel="cursos"] [data-branch="construccion"] :focus-visible { outline-color: var(--branch-accent); }