/* ===== BLOG — Deutsch Exam ===== */
/* Hérite des tokens de style.css. À charger APRÈS style.css. */

/* ===== BLOG HUB ===== */
.blog-hero {
  padding-top: 120px;
  padding-bottom: 56px;
  background: linear-gradient(180deg, var(--color-bg-app) 0%, var(--color-white) 100%);
}

.blog-hero__label {
  display: inline-block;
  background: var(--color-primary-10);
  color: var(--color-primary-shadow);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.blog-hero__title {
  margin-bottom: 16px;
}

.blog-hero__subtitle {
  max-width: 720px;
}

/* Filtres de cluster (catégories) */
.blog-filters {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-white);
  position: sticky;
  top: 72px;
  z-index: 50;
}

.blog-filters__list {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 4px;
}

.blog-filters__list::-webkit-scrollbar { display: none; }

.blog-filter {
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  white-space: nowrap;
  transition: background var(--duration-fast) var(--ease-out);
  cursor: pointer;
}

.blog-filter:hover { background: var(--color-gray-200); }
.blog-filter.active {
  background: var(--color-primary);
  color: var(--color-dark);
}

/* Grille articles */
.blog-grid {
  padding: 56px 0 80px;
}

.blog-grid__featured {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
  background: var(--color-bg-app);
  border-radius: var(--radius-xxl);
  padding: 40px;
  align-items: center;
}

.blog-grid__featured-content { display: flex; flex-direction: column; gap: 16px; }

.blog-grid__featured-cover {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
}

.blog-grid__featured-cover img { width: 100%; height: auto; display: block; }

.blog-grid__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
}

.blog-card__cover {
  aspect-ratio: 16 / 10;
  background: var(--color-gray-100);
  overflow: hidden;
}

.blog-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-normal) var(--ease-out);
}

.blog-card:hover .blog-card__cover img { transform: scale(1.03); }

.blog-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.blog-card__cluster {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  width: fit-content;
}

.blog-card__cluster--goethe   { background: var(--color-lesen-light);   color: var(--color-lesen); }
.blog-card__cluster--telc     { background: var(--color-hoeren-light);  color: var(--color-hoeren); }
.blog-card__cluster--oesd     { background: var(--color-sprachbausteine-light); color: var(--color-sprachbausteine); }
.blog-card__cluster--schreiben { background: var(--color-schreiben-light); color: var(--color-schreiben); }
.blog-card__cluster--sprechen { background: var(--color-sprechen-light); color: var(--color-sprechen); }
.blog-card__cluster--lesen    { background: var(--color-lesen-light);   color: var(--color-lesen); }
.blog-card__cluster--grammaire { background: var(--color-primary-10);   color: var(--color-primary-shadow); }
.blog-card__cluster--vocabulaire { background: var(--color-hoeren-light); color: var(--color-hoeren); }
.blog-card__cluster--etudes   { background: var(--color-danger);        color: var(--color-white); }
.blog-card__cluster--methode  { background: var(--color-gray-200);      color: var(--color-gray-700); }

.blog-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  line-height: 1.35;
  color: var(--color-dark);
}

.blog-card__excerpt {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-gray-600);
  line-height: 1.55;
  flex: 1;
}

.blog-card__meta {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--color-gray-500);
}

.blog-card__meta-item { display: inline-flex; align-items: center; gap: 4px; }

@media (max-width: 1023px) {
  .blog-grid__list { grid-template-columns: repeat(2, 1fr); }
  .blog-grid__featured { grid-template-columns: 1fr; padding: 28px; }
}
@media (max-width: 639px) {
  .blog-grid__list { grid-template-columns: 1fr; }
  .blog-grid__featured { padding: 20px; border-radius: var(--radius-xl); }
  .blog-hero { padding-top: 100px; padding-bottom: 32px; }
}

/* ===== ARTICLE PAGE ===== */

.article {
  padding-top: 96px;
  padding-bottom: 80px;
  background: var(--color-white);
}

.article__inner {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 64px;
  max-width: 1100px;
  margin: 0 auto;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-gray-500);
  margin-bottom: 24px;
}

.breadcrumb a { color: var(--color-gray-600); }
.breadcrumb a:hover { color: var(--color-primary-shadow); }
.breadcrumb__sep { color: var(--color-gray-400); }
.breadcrumb [aria-current="page"] { color: var(--color-dark); font-weight: 600; }

/* En-tête article */
.article-header { margin-bottom: 40px; }

.article-header__cluster {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.article-header__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  line-height: 1.15;
  color: var(--color-dark);
  margin-bottom: 16px;
}

.article-header__lede {
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  line-height: 1.6;
  color: var(--color-gray-600);
  max-width: 720px;
  margin-bottom: 24px;
}

.article-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  padding: 16px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-gray-600);
}

.article-header__meta-item { display: inline-flex; align-items: center; gap: 6px; }
.article-header__meta-item--updated {
  background: rgba(255, 204, 0, 0.18);
  color: var(--color-dark);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid rgba(255, 204, 0, 0.4);
}

.article-header__author {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.article-header__author img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.article-header__author-name { font-weight: 600; color: var(--color-dark); }

/* Cover */
.article-cover {
  margin: 0 0 48px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
}
.article-cover img { width: 100%; height: auto; display: block; }

/* TOC */
.article-toc {
  position: sticky;
  top: 96px;
  align-self: start;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding-right: 12px;
  border-left: 2px solid var(--color-border);
  padding-left: 16px;
}

.article-toc__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 12px;
}

.article-toc__list { display: flex; flex-direction: column; gap: 6px; }

.article-toc__item a {
  display: block;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--color-gray-600);
  border-left: 2px solid transparent;
  margin-left: -16px;
  padding-left: 14px;
  transition: color var(--duration-fast), border-color var(--duration-fast);
}

.article-toc__item a:hover { color: var(--color-dark); }
.article-toc__item a.active {
  color: var(--color-primary-shadow);
  font-weight: 600;
  border-left-color: var(--color-primary);
}

.article-toc__item--sub { padding-left: 12px; }
.article-toc__item--sub a { font-size: 0.8rem; color: var(--color-gray-500); }

/* Reading progress */
.reading-progress {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  z-index: 100;
}
.reading-progress__bar {
  height: 100%;
  width: 0%;
  background: var(--color-primary);
  transition: width 100ms linear;
}

/* ===== ARTICLE BODY (prose) ===== */
.prose {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--color-gray-700);
  max-width: 720px;
}

.prose > * + * { margin-top: 1.25rem; }

.prose h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 2.6vw, 1.75rem);
  line-height: 1.25;
  color: var(--color-dark);
  margin-top: 3rem;
  margin-bottom: 1rem;
  scroll-margin-top: 96px;
}

.prose h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  line-height: 1.3;
  color: var(--color-dark);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  scroll-margin-top: 96px;
}

.prose h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-dark);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.prose p { margin-top: 1rem; }
.prose p:first-child { margin-top: 0; }

.prose a {
  color: var(--color-primary-shadow);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  transition: color var(--duration-fast);
}
.prose a:hover { color: var(--color-dark); }

.prose strong { color: var(--color-dark); font-weight: 700; }

.prose em { color: var(--color-gray-700); font-style: italic; }

.prose ul, .prose ol {
  margin: 1rem 0;
  padding-left: 1.25rem;
}
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin: 0.5rem 0; padding-left: 0.25rem; }
.prose li::marker { color: var(--color-primary-shadow); font-weight: 700; }

.prose blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 4px 0 4px 20px;
  margin: 1.75rem 0;
  font-style: italic;
  color: var(--color-gray-700);
  background: var(--color-primary-10);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 16px 20px;
}

.prose code {
  background: var(--color-gray-100);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: ui-monospace, "SF Mono", monospace;
  font-size: 0.92em;
  color: var(--color-dark);
}

.prose pre {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 18px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: 0.9rem;
}
.prose pre code { background: none; color: inherit; padding: 0; }

/* Allemand inline */
.prose [lang="de"] {
  font-style: italic;
  color: var(--color-dark);
  font-weight: 500;
}

/* Tables */
.prose .table-wrap { overflow-x: auto; margin: 1.5rem 0; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.prose th, .prose td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.prose th {
  background: var(--color-bg-app);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-dark);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.prose tr:last-child td { border-bottom: none; }

/* Callouts */
.callout {
  display: flex;
  gap: 16px;
  margin: 1.75rem 0;
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-info);
  background: var(--color-hoeren-light);
}

.callout__icon { flex-shrink: 0; font-size: 1.4rem; line-height: 1.4; }
.callout__body { flex: 1; }
.callout__body > * + * { margin-top: 0.5rem; }
.callout__body strong { color: var(--color-dark); }

.callout--tip      { border-left-color: var(--color-success); background: var(--color-schreiben-light); }
.callout--warning  { border-left-color: var(--color-warning); background: rgba(249, 115, 22, 0.1); }
.callout--danger   { border-left-color: var(--color-danger); background: rgba(255, 75, 75, 0.08); }
.callout--key      { border-left-color: var(--color-primary); background: var(--color-primary-10); }

/* Stat highlight box */
.stat-box {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin: 1.75rem 0;
  padding: 24px;
  background: var(--color-bg-app);
  border-radius: var(--radius-lg);
}

.stat-box__item { text-align: center; }
.stat-box__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2rem;
  color: var(--color-primary-shadow);
  line-height: 1;
}
.stat-box__label {
  display: block;
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--color-gray-600);
  font-weight: 500;
}

/* CTA in-article */
.cta-card {
  margin: 2.5rem 0;
  padding: 32px;
  background: linear-gradient(135deg, var(--color-bg-app) 0%, var(--color-primary-10) 100%);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  text-align: center;
}

.cta-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--color-dark);
  margin-bottom: 8px;
}
.cta-card__desc {
  color: var(--color-gray-700);
  margin-bottom: 20px;
}

.cta-card__buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Author box */
.author-box {
  display: flex;
  gap: 20px;
  align-items: center;
  margin: 3rem 0 2rem;
  padding: 28px;
  background: var(--color-gray-50);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.author-box__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--color-dark);
  flex-shrink: 0;
}

.author-box__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--color-dark);
}
.author-box__desc { font-size: 0.9rem; color: var(--color-gray-600); margin-top: 4px; }

/* FAQ inline article (réutilise classes faq-item du style.css) */
.article-faq { margin-top: 3rem; }
.article-faq__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-dark);
  margin-bottom: 16px;
  scroll-margin-top: 96px;
}

/* Related articles */
.related-articles {
  padding: 64px 0;
  background: var(--color-bg-body);
  border-top: 1px solid var(--color-border);
}

.related-articles__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-dark);
  margin-bottom: 32px;
  text-align: center;
}

.related-articles__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Responsive article */
@media (max-width: 1023px) {
  .article__inner { grid-template-columns: 1fr; gap: 0; }
  .article-toc { display: none; }
  .related-articles__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 639px) {
  .article { padding-top: 80px; padding-bottom: 56px; }
  .article-cover { border-radius: var(--radius-md); margin-bottom: 32px; }
  .article-header__meta { flex-direction: column; align-items: flex-start; gap: 12px; }
  .prose { font-size: 1rem; line-height: 1.7; }
  .prose blockquote { padding: 14px 16px; }
  .cta-card { padding: 24px 20px; }
  .author-box { padding: 20px; gap: 14px; }
  .related-articles__grid { grid-template-columns: 1fr; }
  .blog-filters { top: 64px; padding: 16px 0; }
}