/* =============================================
   article.css
   Página de artículo /recursos/<slug>/ (recurso.html).
   Se carga solo en esa página vía {% block extra_head %}.
   Reutiliza tokens, nav y footer de landing-course.css; aquí van el chrome
   del artículo y los estilos del HTML interno (content_html), cuyas clases son
   .toc / .toc__list / .toc__item--lN, .article-text y .faq / .faq__item.
   ============================================= */

html{ scroll-behavior: smooth; }

/* ---- breadcrumb ---- */
.breadcrumb-section{ background-color: var(--clr-bg-white); }
.container.breadcrumb-section__container{ padding: 20px 1rem; }
.breadcrumb ol{
    list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap;
    align-items: center; gap: 6px 8px; font-size: 14px; line-height: 1.4;
}
.breadcrumb li{ display: flex; align-items: center; color: var(--clr-text-gray); }
.breadcrumb li:not(:last-child)::after{ content: '›'; margin-left: 8px; color: var(--clr-text-gray-light); }
.breadcrumb a{ color: var(--clr-text-gray); }
.breadcrumb a:hover{ color: var(--clr-primary); text-decoration: underline; }
.breadcrumb li[aria-current="page"] span{ color: var(--clr-text-gray-light); font-weight: 400; }

/* ---- hero ---- */
.article-hero__container{ padding: 40px 1rem 50px; }
.article-hero__grid{ display: grid; grid-template-columns: 1fr 480px; gap: 40px; align-items: center; }
.article-hero__main h1{ font-size: 38px; margin: 0 0 8px; }
.article-hero__byline{ font-size: 14px; color: var(--clr-text-gray-light); margin: 0 0 24px; }
.article-hero__updated{ font-size: 13px; color: var(--clr-text-gray-light); margin: 0 0 8px; text-align: right; }
.article-hero__media{ margin: 0; }
.article-hero__media img{
    width: 100%; height: auto; display: block; border-radius: var(--radius);
    background-color: #e6e3e4; object-fit: cover; aspect-ratio: 4 / 3;
}

/* ---- inline course card (hero) ---- */
.course-card{ background-color: var(--clr-bg-white); border-radius: var(--radius); padding: 20px; }
.course-card__title{ font-size: 16px; font-weight: 600; color: var(--clr-text-dark); margin: 0 0 8px; }
.course-card__desc{ font-size: 15px; margin: 0 0 16px; color: var(--clr-text-gray); }
.course-card__actions{ display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.course-card__actions .button{ font-size: 16px; padding: 8px 16px; min-width: auto; }

/* ---- body layout ---- */
.article-body__container{
    display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 50px;
    align-items: start; padding: 40px 1rem 80px; max-width: 1080px; margin: 0 auto; box-sizing: content-box;
}
.article-body__container--full{ grid-template-columns: minmax(0, 1fr); }
.article-body__main{ min-width: 0; }
.article-body__main h2{ font-size: 26px; margin: 40px 0 16px; scroll-margin-top: 80px; }
.article-body__main h3{ font-size: 19px; margin: 28px 0 10px; scroll-margin-top: 80px; }
.article-body__main p{ margin: 0 0 16px; }
.article-body__main a{ color: var(--clr-text-dark); text-decoration: underline; font-weight: 500; }
.article-body__main a:hover{ color: var(--clr-primary); }
.article-body__main ul,
.article-body__main ol{ padding-left: 22px; margin: 0 0 20px; }
.article-body__main li{ color: var(--clr-text-gray); margin-bottom: 8px; line-height: 1.7; }

/* ---- content_html: texto ---- */
.article-text{ margin: 0 0 4px; }

/* ---- content_html: tabla de contenidos ---- */
.toc{ background-color: var(--clr-bg-gray); border-radius: var(--radius); padding: 20px 28px; margin: 30px 0; }
.toc__title{ font-size: 15px; font-weight: 600; color: var(--clr-text-dark); margin: 0 0 10px; }
.toc__list{ margin: 0; padding-left: 20px; color: var(--clr-text-gray); }
.toc__item{ padding: 8px 0; }
.toc__item--l2{ margin-left: 0; }
.toc__item--l3{ margin-left: 16px; }
.toc__list a{ color: var(--clr-text-dark); font-size: 15px; font-weight: 400; text-decoration: underline; }
.toc__list a:hover{ color: var(--clr-primary); }

/* ---- content_html: FAQ (details/summary nativo) ---- */
.faq{ border: 1px solid var(--clr-border); border-radius: var(--radius); padding: 8px 20px; margin: 32px 0; }
.faq__title{ font-size: 22px; margin: 12px 0 4px; scroll-margin-top: 80px; }
.faq__item{ border-bottom: 1px solid var(--clr-border); }
.faq__item:last-child{ border-bottom: none; }
.faq__item details > summary{
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    cursor: pointer; padding: 16px 0; font-weight: 600; color: var(--clr-text-dark);
    list-style: none; -webkit-user-select: none; user-select: none;
}
.faq__item details > summary::-webkit-details-marker{ display: none; }
.faq__item details > summary::after{
    content: ''; flex-shrink: 0; width: 10px; height: 10px;
    border-right: 2px solid var(--clr-primary); border-bottom: 2px solid var(--clr-primary);
    transform: rotate(45deg) translateY(-2px); transition: transform .25s ease;
}
.faq__item details[open] > summary::after{ transform: rotate(-135deg) translateY(2px); }
.faq__item details > div{ padding: 0 0 16px; color: var(--clr-text-gray); line-height: 1.8; }

/* ---- share ---- */
.share{ display: flex; align-items: center; gap: 16px; margin: 40px 0 0; padding-top: 24px; border-top: 1px solid var(--clr-border); flex-wrap: wrap; }
.share__label{ font-size: 15px; color: var(--clr-text-dark); font-weight: 500; margin: 0 0 20px; }
.share__list{ list-style: none; padding: 0; margin: 0; display: flex; align-items: center; gap: 8px; }
.share__list a,
.share__copy{
    display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px;
    border-radius: 50%; background-color: var(--clr-bg-gray); color: var(--clr-text-gray);
    border: none; cursor: pointer; transition: background-color .2s linear, color .2s linear;
}
.share__list a:hover,
.share__copy:hover{ background-color: var(--clr-primary); color: #fff; text-decoration: none; }

/* ---- sticky sidebar ---- */
.article-body__sidebar{ position: sticky; top: 24px; align-self: start; }
.sidebar-related__label{
    font-size: 13px; text-transform: uppercase; letter-spacing: .06em;
    color: var(--clr-text-gray-light); font-weight: 600; margin: 24px 0 12px;
}
.sidebar-card + .sidebar-card{ margin-top: 16px; }
.sidebar-card{ padding: 10px; display: block; background-color: var(--clr-bg-white); border: 1px solid var(--clr-border); border-radius: var(--radius); overflow: hidden; color: inherit; }
.sidebar-card:hover{ border-color: var(--clr-primary); text-decoration: none; }
.sidebar-card__media{ overflow: hidden; border-radius: var(--radius); }
.sidebar-card__media img{ width: 100%; height: auto; display: block; aspect-ratio: 16 / 10; object-fit: cover; background-color: #e6e3e4; }
.sidebar-card__title{ font-size: 16px; font-weight: 600; color: var(--clr-text-dark); margin: 12px 0 8px; }
.sidebar-card__desc{ font-size: 15px; color: var(--clr-text-gray); line-height: 1.7; margin: 0 0 16px; }
.sidebar-card .certificates{ display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--clr-primary); }

/* ---- certificate CTA ---- */
.section--certificate{ padding: 0 1rem 40px; }
.card-certificate{
    background-color: var(--clr-bg-info, var(--clr-bg-gray)); padding: 56px 40px; border-radius: var(--radius);
    display: grid; grid-template-columns: 1fr minmax(0, 440px); gap: 40px; align-items: center;
}
.card-certificate h2{ font-size: 30px; line-height: 1.4; margin: 0 0 12px; }
.card-certificate p{ margin: 0; color: var(--clr-text-gray); }
.card-certificate__media img{ width: 100%; height: auto; display: block; border-radius: var(--radius); }
.cta-button--top{ margin-top: 28px; display: inline-block; }

/* ---- related ---- */
.related-section{ padding: 40px 1rem 80px; }
.related-section h2{ font-size: 26px; margin-bottom: 24px; }
.cards.related{ display: flex; flex-wrap: wrap; gap: 16px; list-style: none; padding: 0; margin: 0; }
.related-card{ flex: 1 1 calc(25% - 12px); max-width: calc(25% - 12px); min-width: 0; box-sizing: border-box; background-color: var(--clr-bg-white); border: 1px solid var(--clr-border); border-radius: var(--radius); }
.related-card:hover{ border-color: var(--clr-primary); }
.related-card a{ display: block; color: inherit; }
.related-card a:hover{ text-decoration: none; }
.related-card .card-image{ border-radius: var(--radius); overflow: hidden; }
.related-card .card-image img{ width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; display: block; background-color: #e6e3e4; }
.related-card .course-name{ font-size: 16px; font-weight: 500; color: var(--clr-text-dark); margin: 12px 0 24px; line-height: 1.7; }
.related-card__category{ font-size: 14px; color: var(--clr-text-gray-light); }

/* ============ responsive ============ */
@media only screen and (max-width: 980px){
    .article-hero__grid{ grid-template-columns: 1fr; gap: 28px; }
    .article-hero__updated{ text-align: left; }
    .article-body__container{ grid-template-columns: 1fr; gap: 40px; padding: 30px 1rem 60px; }
    .article-body__sidebar{ position: static; width: 100%; }
    .related-card{ flex: 1 1 calc(50% - 8px); max-width: calc(50% - 8px); }
    .card-certificate{ grid-template-columns: 1fr; gap: 28px; padding: 40px 24px; }
}
@media only screen and (max-width: 580px){
    .article-hero__main h1{ font-size: 30px; }
    .article-body__main h2{ font-size: 22px; }
    .article-body__main h3{ font-size: 17px; }
    .toc, .faq{ padding: 18px 20px; }
    .related-card{ flex: 1 1 100%; max-width: 100%; }
    .course-card__actions{ flex-direction: column; align-items: stretch; }
    .course-card__actions .button{ text-align: center; }
    .card-certificate h2{ font-size: 24px; }
}