/* =====================================================
   ICOSIM — Blog Page CSS
===================================================== */

/* ---- Hero blog ---- */
.blog-hero {
  position: relative;
  min-height: 52vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 0;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.blog-hero__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center 30%;
  filter: brightness(0.28) saturate(0.6);
}

.blog-hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(15,25,35,0.5) 0%, rgba(15,25,35,0.97) 100%);
}

.blog-hero__content {
  position: relative; z-index: 2;
  padding: 60px 0 72px;
  display: flex; flex-direction: column; align-items: flex-start; gap: 20px;
}

.blog-back {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82rem; font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--t);
  margin-bottom: 8px;
}
.blog-back:hover { color: var(--teal-light); }

.blog-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 500; line-height: 1.1;
  color: var(--text-primary);
  margin: 0;
}
.blog-hero__title em { font-style: italic; color: var(--teal-light); }

.blog-hero__sub {
  font-size: 1rem; color: rgba(255,255,255,0.6);
  line-height: 1.7; max-width: 580px;
}

/* ---- Main ---- */
.blog-main {
  background: var(--bg-base);
  padding: 72px 0 100px;
}

/* ---- Filtres ---- */
.blog-filters {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 48px;
}

.blog-filter {
  padding: 9px 20px;
  font-size: 0.85rem; font-weight: 500;
  border-radius: 30px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--t);
}

.blog-filter:hover { border-color: var(--teal-mid); color: var(--teal-light); }

.blog-filter--active {
  background: linear-gradient(135deg, var(--teal-dark), var(--teal-mid));
  border-color: transparent; color: #fff;
  box-shadow: 0 4px 16px rgba(30,95,116,0.4);
}

/* ---- Grid posts ---- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-bottom: 24px;
}

/* ---- Carte embed LinkedIn ---- */
.post-card--embed {
  padding: 20px 20px 16px;
  gap: 14px;
}

.post-card__embed {
  width: 100%;
  overflow: hidden;
  border-radius: 8px;
}

.post-card__embed iframe {
  width: 100%;
  min-height: 500px;
  border: none;
  display: block;
  border-radius: 8px;
}

/* ---- Post card ---- */
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex; flex-direction: column; gap: 16px;
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
  position: relative;
  overflow: hidden;
}

.post-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--teal-dark), var(--teal-light));
  opacity: 0; transition: opacity var(--t);
}

.post-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.35);
}

.post-card:hover::before { opacity: 1; }

.post-card--hidden { display: none; }

.post-card__top {
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 12px;
}

.post-card__meta {
  display: flex; flex-direction: column; gap: 6px;
}

.post-card__date {
  font-size: 0.75rem; color: var(--text-muted); font-weight: 500;
}

.post-card__tag {
  display: inline-block;
  font-size: 0.7rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--teal-light);
  background: rgba(126,200,212,0.1);
  border: 1px solid rgba(126,200,212,0.2);
  padding: 3px 10px; border-radius: 20px;
}

.post-card__li-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.72rem; font-weight: 600;
  color: #5BA4CF;
  background: rgba(0,119,181,0.1);
  border: 1px solid rgba(0,119,181,0.2);
  padding: 4px 10px; border-radius: 20px;
  flex-shrink: 0;
}

.post-card__title {
  font-family: var(--font-serif);
  font-size: 1.05rem; font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
}

.post-card__excerpt {
  font-size: 0.88rem; color: var(--text-secondary);
  line-height: 1.75; flex: 1;
}

.post-card__cta {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.82rem; font-weight: 600;
  color: var(--teal-light);
  margin-top: auto;
  transition: gap var(--t), color var(--t);
}
.post-card__cta:hover { gap: 10px; color: var(--teal-light); text-decoration: underline; }

/* ---- Aucun résultat ---- */
.blog-empty {
  display: none;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ---- CTA bas de page ---- */
.blog-cta {
  margin-top: 72px;
  padding: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.blog-cta__inner {
  display: flex; align-items: center;
  justify-content: space-between; gap: 32px;
  flex-wrap: wrap;
}

.blog-cta__inner h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem; font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.blog-cta__inner p {
  font-size: 0.9rem; color: var(--text-secondary);
  max-width: 480px;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-hero__content { padding: 40px 0 52px; }
  .blog-cta { padding: 28px 24px; }
  .blog-cta__inner { flex-direction: column; align-items: flex-start; }
}