/* Blog Premium — France T. Formation 2026 */

/* ─── Hero cinématique ─── */
.ftf-blog-hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: flex-end;
  padding: 140px 0 80px;
  overflow: hidden;
  background: var(--ftf-navy);
}

.ftf-blog-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.ftf-blog-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}

.ftf-blog-hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6,13,26,0.3) 0%, rgba(6,13,26,0.85) 70%, rgba(6,13,26,1) 100%),
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(37,99,235,0.25) 0%, transparent 60%);
  z-index: 1;
}

.ftf-blog-hero__orb {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6,182,212,0.15) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  z-index: 1;
  pointer-events: none;
}

.ftf-blog-hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.ftf-blog-hero__breadcrumb {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}

.ftf-blog-hero__breadcrumb a {
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}

.ftf-blog-hero__breadcrumb a:hover {
  color: #fff;
}

.ftf-blog-hero__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(37,99,235,0.2);
  border: 1px solid rgba(37,99,235,0.35);
  border-radius: 100px;
  color: var(--ftf-cyan);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.ftf-blog-hero__title {
  font-family: var(--ftf-font-serif);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  line-height: 1.1;
  color: #fff;
  margin-bottom: 16px;
}

.ftf-blog-hero__desc {
  font-size: 1.125rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
  max-width: 560px;
}

.ftf-blog-hero__stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.ftf-blog-hero__stat strong {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 4px;
}

.ftf-blog-hero__stat span {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── Featured article ─── */
.ftf-blog-section {
  padding-top: 0;
}

.ftf-blog-featured {
  margin-top: -48px;
  position: relative;
  z-index: 10;
  margin-bottom: 56px;
}

@media (min-width: 769px) {
  .ftf-blog-featured {
    margin-top: -60px;
  }
}

.ftf-blog-featured__card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  background: var(--ftf-white);
  border-radius: var(--ftf-radius-xl);
  overflow: hidden;
  border: 1px solid var(--ftf-gray-200);
  box-shadow: var(--ftf-shadow-lg);
  transition: var(--ftf-transition);
  text-decoration: none;
  color: inherit;
}

.ftf-blog-featured__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 80px rgba(6,13,26,0.2);
}

.ftf-blog-featured__image {
  position: relative;
  min-height: 360px;
  overflow: hidden;
}

.ftf-blog-featured__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.ftf-blog-featured__card:hover .ftf-blog-featured__image img {
  transform: scale(1.05);
}

.ftf-blog-featured__badge {
  position: absolute;
  top: 24px;
  left: 24px;
  padding: 8px 16px;
  background: var(--ftf-gradient-gold);
  color: var(--ftf-navy);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.ftf-blog-featured__body {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.ftf-blog-featured__cat {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--ftf-blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.ftf-blog-featured__title {
  font-family: var(--ftf-font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--ftf-text);
}

.ftf-blog-featured__excerpt {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ftf-text-muted);
  margin-bottom: 24px;
}

.ftf-blog-featured__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.875rem;
  color: var(--ftf-text-muted);
  margin-bottom: 28px;
}

.ftf-blog-featured__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--ftf-blue);
  font-size: 0.9375rem;
}

.ftf-blog-featured__link svg {
  transition: transform 0.3s;
}

.ftf-blog-featured__card:hover .ftf-blog-featured__link svg {
  transform: translateX(4px);
}

/* ─── Toolbar filtres ─── */
.ftf-blog-toolbar {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 20px;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--ftf-gray-200);
}

.ftf-blog-search {
  position: relative;
  width: 100%;
  max-width: 480px;
}

.ftf-blog-search input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 14px 20px 14px 48px;
  border: 1px solid var(--ftf-gray-200);
  border-radius: 100px;
  font-size: 0.9375rem;
  background: var(--ftf-white);
  transition: var(--ftf-transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.ftf-blog-search input:focus {
  border-color: var(--ftf-blue);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.1);
}

.ftf-blog-search__icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ftf-text-muted);
  pointer-events: none;
}

.ftf-blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
}

.ftf-blog-filters-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
  max-width: 100%;
  scrollbar-width: thin;
}

.ftf-blog-filters-scroll .ftf-blog-filters {
  flex-wrap: nowrap;
  width: max-content;
  padding-bottom: 4px;
}

@media (min-width: 1100px) {
  .ftf-blog-filters-scroll .ftf-blog-filters {
    flex-wrap: wrap;
    width: 100%;
  }
}

.ftf-blog-filter {
  padding: 10px 20px;
  border: 1px solid var(--ftf-gray-200);
  border-radius: 100px;
  background: var(--ftf-white);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ftf-text-muted);
  cursor: pointer;
  transition: var(--ftf-transition);
}

.ftf-blog-filter:hover {
  border-color: var(--ftf-blue);
  color: var(--ftf-blue);
}

.ftf-blog-filter.is-active {
  background: var(--ftf-navy);
  border-color: var(--ftf-navy);
  color: #fff;
}

.ftf-blog-count {
  font-size: 0.875rem;
  color: var(--ftf-text-muted);
  width: 100%;
  margin: 0;
}

.ftf-blog-count strong {
  color: var(--ftf-text);
}

/* ─── Layout principal ─── */
.ftf-blog-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

.ftf-blog-main {
  min-width: 0;
}

/* ─── Grille articles ─── */
.ftf-blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.ftf-blog-card {
  background: var(--ftf-white);
  border-radius: var(--ftf-radius-lg);
  overflow: hidden;
  border: 1px solid var(--ftf-gray-200);
  transition: var(--ftf-transition);
  display: flex;
  flex-direction: column;
}

.ftf-blog-card.is-hidden {
  display: none;
}

.ftf-blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--ftf-shadow-lg);
  border-color: transparent;
}

.ftf-blog-card__image {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}

.ftf-blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  background: linear-gradient(135deg, var(--ftf-navy) 0%, var(--ftf-slate) 100%);
}

.ftf-blog-card:hover .ftf-blog-card__image img {
  transform: scale(1.06);
}

.ftf-blog-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(6,13,26,0.4) 100%);
  opacity: 0;
  transition: opacity 0.4s;
}

.ftf-blog-card:hover .ftf-blog-card__image::after {
  opacity: 1;
}

.ftf-blog-card__cat {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: rgba(6,13,26,0.8);
  backdrop-filter: blur(12px);
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  z-index: 1;
}

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

.ftf-blog-card__meta {
  font-size: 0.8125rem;
  color: var(--ftf-text-muted);
  margin-bottom: 10px;
}

.ftf-blog-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  flex: 1;
}

.ftf-blog-card__title a {
  color: var(--ftf-text);
  transition: color 0.2s;
}

.ftf-blog-card__title a:hover {
  color: var(--ftf-blue);
}

.ftf-blog-card__excerpt {
  font-size: 0.875rem;
  color: var(--ftf-text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ftf-blog-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--ftf-gray-100);
}

.ftf-blog-card__link {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--ftf-blue);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.ftf-blog-card__read {
  font-size: 0.75rem;
  color: var(--ftf-text-muted);
}

/* ─── Sidebar ─── */
.ftf-blog-sidebar {
  position: sticky;
  top: calc(var(--ftf-header-h) + 24px);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.ftf-blog-widget {
  background: var(--ftf-white);
  border: 1px solid var(--ftf-gray-200);
  border-radius: var(--ftf-radius-lg);
  padding: 28px;
}

.ftf-blog-widget__title {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ftf-gray-200);
}

.ftf-blog-topics {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ftf-blog-topic {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: var(--ftf-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ftf-text-muted);
  cursor: pointer;
  transition: var(--ftf-transition);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.ftf-blog-topic:hover,
.ftf-blog-topic.is-active {
  background: rgba(37,99,235,0.08);
  color: var(--ftf-blue);
}

.ftf-blog-topic__count {
  font-size: 0.75rem;
  padding: 2px 8px;
  background: var(--ftf-gray-100);
  border-radius: 100px;
  color: var(--ftf-text-muted);
}

.ftf-blog-newsletter {
  background: linear-gradient(135deg, var(--ftf-navy) 0%, var(--ftf-slate) 100%);
  border: none;
  color: #fff;
}

.ftf-blog-newsletter .ftf-blog-widget__title {
  color: #fff;
  border-color: rgba(255,255,255,0.1);
}

.ftf-blog-newsletter p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
  margin-bottom: 16px;
}

.ftf-blog-newsletter input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--ftf-radius-sm);
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 0.875rem;
  margin-bottom: 12px;
  outline: none;
}

.ftf-blog-newsletter input::placeholder {
  color: rgba(255,255,255,0.4);
}

.ftf-blog-newsletter input:focus {
  border-color: var(--ftf-blue);
}

.ftf-blog-popular {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ftf-blog-popular__item {
  display: flex;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  align-items: flex-start;
}

.ftf-blog-popular__thumb {
  width: 64px;
  height: 64px;
  border-radius: var(--ftf-radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.ftf-blog-popular__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ftf-blog-popular__title {
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ftf-text);
  transition: color 0.2s;
}

.ftf-blog-popular__item:hover .ftf-blog-popular__title {
  color: var(--ftf-blue);
}

.ftf-blog-popular__date {
  font-size: 0.75rem;
  color: var(--ftf-text-muted);
  margin-top: 4px;
}

.ftf-blog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--ftf-text-muted);
}

.ftf-blog-empty strong {
  display: block;
  font-size: 1.125rem;
  color: var(--ftf-text);
  margin-bottom: 8px;
}

/* ─── Article page ─── */
.ftf-article-wrap {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: start;
}

.ftf-article {
  max-width: 100%;
}

.ftf-article__header {
  margin-bottom: 40px;
}

.ftf-article__cat {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(37,99,235,0.1);
  color: var(--ftf-blue);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.ftf-article__title {
  font-family: var(--ftf-font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.2;
  margin-bottom: 16px;
}

.ftf-article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.875rem;
  color: var(--ftf-text-muted);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--ftf-gray-200);
}

.ftf-article__cover {
  border-radius: var(--ftf-radius-xl);
  overflow: hidden;
  margin-bottom: 40px;
  aspect-ratio: 16/9;
  box-shadow: var(--ftf-shadow-md);
}

.ftf-article__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ftf-article__content h2 {
  font-family: var(--ftf-font-serif);
  font-size: 1.5rem;
  margin: 40px 0 16px;
  color: var(--ftf-text);
  scroll-margin-top: calc(var(--ftf-header-h) + 24px);
}

.ftf-article__content h3 {
  font-size: 1.125rem;
  margin: 28px 0 12px;
  color: var(--ftf-text);
}

.ftf-article__content p,
.ftf-article__content li {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--ftf-text-muted);
  margin-bottom: 16px;
}

.ftf-article__content ul,
.ftf-article__content ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.ftf-article__content li {
  margin-bottom: 8px;
  list-style: disc;
}

.ftf-article__content a {
  color: var(--ftf-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ftf-article__content blockquote {
  margin: 32px 0;
  padding: 24px 28px;
  border-left: 4px solid var(--ftf-blue);
  background: rgba(37,99,235,0.05);
  border-radius: 0 var(--ftf-radius-md) var(--ftf-radius-md) 0;
  font-style: italic;
  color: var(--ftf-text);
}

.ftf-article__cta {
  margin: 48px 0;
  padding: 40px;
  background: linear-gradient(135deg, var(--ftf-navy), var(--ftf-slate));
  border-radius: var(--ftf-radius-lg);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.ftf-article__cta::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(37,99,235,0.3) 0%, transparent 70%);
  top: -100px;
  right: -50px;
  pointer-events: none;
}

.ftf-article__cta h3 {
  font-family: var(--ftf-font-serif);
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: #fff;
  position: relative;
}

.ftf-article__cta p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
  position: relative;
}

.ftf-article__related {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--ftf-gray-200);
}

.ftf-article__related h3 {
  font-size: 1.25rem;
  margin-bottom: 24px;
}

.ftf-related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.ftf-related-link {
  display: block;
  padding: 16px 20px;
  background: var(--ftf-off-white);
  border-radius: var(--ftf-radius-md);
  border: 1px solid var(--ftf-gray-200);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: var(--ftf-transition);
}

.ftf-related-link:hover {
  border-color: var(--ftf-blue);
  color: var(--ftf-blue);
  transform: translateX(4px);
}

/* TOC sidebar article */
.ftf-article-toc {
  position: sticky;
  top: calc(var(--ftf-header-h) + 24px);
  background: var(--ftf-white);
  border: 1px solid var(--ftf-gray-200);
  border-radius: var(--ftf-radius-lg);
  padding: 24px;
}

.ftf-article-toc__title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ftf-text-muted);
  margin-bottom: 16px;
}

.ftf-article-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ftf-article-toc a {
  display: block;
  padding: 8px 12px;
  font-size: 0.8125rem;
  color: var(--ftf-text-muted);
  border-radius: var(--ftf-radius-sm);
  border-left: 2px solid transparent;
  transition: var(--ftf-transition);
  text-decoration: none;
}

.ftf-article-toc a:hover,
.ftf-article-toc a.is-active {
  color: var(--ftf-blue);
  background: rgba(37,99,235,0.06);
  border-left-color: var(--ftf-blue);
}

/* ─── Responsive ─── */
@media (max-width: 1100px) {
  .ftf-blog-layout,
  .ftf-article-wrap {
    grid-template-columns: 1fr;
  }

  .ftf-blog-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .ftf-article-toc {
    position: static;
  }

  .ftf-blog-newsletter {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .ftf-blog-featured__card {
    grid-template-columns: 1fr;
  }

  .ftf-blog-featured__image {
    min-height: 240px;
  }

  .ftf-blog-featured__body {
    padding: 32px;
  }
}

@media (max-width: 768px) {
  .ftf-blog-hero {
    min-height: auto;
    padding: 100px 0 40px;
  }

  .ftf-blog-hero__desc {
    font-size: 1rem;
  }

  .ftf-blog-hero__stats {
    flex-wrap: wrap;
    gap: 16px 28px;
    margin-top: 24px;
    padding-top: 20px;
  }

  .ftf-blog-section {
    padding-top: 24px;
  }

  .ftf-blog-featured {
    margin-top: 0;
    margin-bottom: 32px;
  }

  .ftf-blog-featured__image {
    min-height: 200px;
  }

  .ftf-blog-featured__body {
    padding: 24px;
  }

  .ftf-blog-featured__title {
    font-size: 1.35rem;
  }

  .ftf-blog-layout {
    display: flex;
    flex-direction: column;
    gap: 32px;
  }

  .ftf-blog-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .ftf-blog-main {
    min-width: 0;
    width: 100%;
  }

  .ftf-blog-grid {
    grid-template-columns: 1fr;
  }

  .ftf-blog-toolbar {
    gap: 16px;
    margin-bottom: 28px;
    padding-bottom: 24px;
  }

  .ftf-blog-search {
    max-width: none;
  }

  .ftf-blog-search input {
    font-size: 16px;
    padding: 16px 20px 16px 48px;
  }

  .ftf-blog-filter {
    flex-shrink: 0;
    padding: 10px 16px;
    font-size: 0.8125rem;
  }

  .ftf-related-grid {
    grid-template-columns: 1fr;
  }

  .ftf-article-wrap {
    display: flex;
    flex-direction: column;
    gap: 28px;
  }

  .ftf-article-toc {
    order: -1;
    padding: 20px;
  }

  .ftf-article-toc__title {
    margin-bottom: 12px;
  }

  .ftf-article-toc a {
    font-size: 0.875rem;
    padding: 10px 12px;
  }

  .ftf-article__related {
    margin-top: 40px;
    padding-top: 28px;
  }

  .ftf-article__related h3 {
    font-size: 1.125rem;
    margin-bottom: 16px;
  }

  .ftf-related-link {
    padding: 14px 16px;
    font-size: 0.875rem;
  }

  .ftf-related-link:hover {
    transform: none;
  }

  .ftf-article__cta {
    padding: 28px 20px;
    margin: 32px 0;
  }
}