/* ================================================================
   HILTICE — blog.css
   Page liste du blog + pages articles. S'appuie sur les tokens de
   style.css (Design System v3) et les patterns de projet.css.
   ================================================================ */

/* ── HERO BLOG ────────────────────────────────────────────────── */
.blog-hero {
  padding-top: calc(88px + var(--sp-xl));
  padding-bottom: var(--sp-2xl);
  min-height: 460px;
  display: flex;
  align-items: flex-end;
  position: relative;
  overflow: hidden;
}
.blog-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
}
.blog-hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0.75) 0%, rgba(10,10,10,0.35) 45%, rgba(10,10,10,0.85) 100%);
}
.blog-hero > .container { position: relative; z-index: 1; }
.blog-hero-title {
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.02;
  max-width: 14ch;
  margin-bottom: var(--sp-md);
  text-wrap: balance;
}
.blog-hero-desc {
  font-size: var(--text-lg);
  color: var(--fg-muted);
  font-weight: 300;
  line-height: 1.6;
  max-width: 50ch;
}

/* ── GRILLE ARTICLES ──────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-lg);
}
.blog-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  transition: transform 0.4s var(--ease-spring), background-color var(--t-fast);
  will-change: transform, opacity;
}
.blog-card:hover { transform: translateY(-4px); background: var(--glass-bg-strong); }
.blog-card:active { transform: translateY(-1px) scale(0.98); }
.blog-card-link { display: flex; flex-direction: column; color: inherit; height: 100%; }
.blog-card-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.blog-card-cover svg { width: 100%; height: 100%; display: block; }
.blog-card-cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s var(--ease-spring); }
.blog-card-link:hover .blog-card-cover img { transform: scale(1.04); }
.blog-card-body { display: flex; flex-direction: column; gap: var(--sp-xs); padding: var(--sp-md); flex-grow: 1; }
.blog-card-meta { display: flex; align-items: center; gap: var(--sp-sm); }
.blog-card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.blog-card-excerpt {
  font-size: var(--text-sm);
  color: var(--fg-muted);
  line-height: 1.65;
  flex-grow: 1;
}
.blog-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-sm);
  margin-top: var(--sp-2xs);
  font-size: var(--text-xs);
  color: var(--fg-faint);
}
.blog-card-readmore {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3xs);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--fg-muted);
  transition: color var(--t-fast);
}
.blog-card-readmore svg { transition: transform var(--t-fast); }
.blog-card-link:hover .blog-card-readmore { color: var(--fg); }
.blog-card-link:hover .blog-card-readmore svg { transform: translateX(3px); }

@media (max-width: 1024px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .blog-grid { grid-template-columns: 1fr; } }

/* ── PAGE ARTICLE ─────────────────────────────────────────────── */
.article-hero {
  padding-top: calc(88px + var(--sp-xl));
  padding-bottom: var(--sp-lg);
}
.article-hero-head { max-width: 760px; margin-bottom: var(--sp-xl); }
.article-title {
  font-size: var(--text-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin: var(--sp-sm) 0 var(--sp-md);
  text-wrap: balance;
}
.article-excerpt {
  font-size: var(--text-lg);
  color: var(--fg-muted);
  font-weight: 300;
  line-height: 1.6;
}
.article-meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  align-items: center;
  margin-top: var(--sp-lg);
  padding-top: var(--sp-md);
  border-top: 1px solid var(--border);
  font-size: var(--text-xs);
  color: var(--fg-faint);
}
.article-meta-line span:not(:last-child)::after {
  content: "";
  display: inline-block;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--fg-faint);
  margin-left: var(--sp-sm);
  vertical-align: middle;
}
.article-cover {
  width: 100%;
  aspect-ratio: 21 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.article-cover svg { width: 100%; height: 100%; display: block; }
.article-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }

.article-body {
  padding: var(--sp-2xl) 0;
}
.article-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--sp-2xl);
  align-items: start;
}
.article-toc {
  position: sticky;
  top: calc(88px + var(--sp-lg));
  padding: var(--sp-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--glass-bg);
}
.article-toc-label {
  font-size: var(--text-micro);
  color: var(--fg-faint);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: var(--sp-xs);
}
.article-toc-list { display: flex; flex-direction: column; list-style: none; }
.article-toc-list li { border-top: 1px solid var(--border); }
.article-toc-list li:first-child { border-top: none; }
.article-toc-list a {
  display: flex;
  align-items: baseline;
  gap: var(--sp-xs);
  padding: var(--sp-xs) 0;
  font-size: var(--text-sm);
  color: var(--fg-muted);
  line-height: 1.45;
  transition: color var(--t-fast);
}
.article-toc-list a:hover { color: var(--fg); }
.article-toc-list a:hover .article-toc-num { color: var(--fg-muted); }
.article-toc-num {
  flex-shrink: 0;
  font-size: var(--text-xs);
  color: var(--fg-faint);
  transition: color var(--t-fast);
}

.article-content { max-width: 680px; min-width: 0; }
.article-content h2 {
  font-size: var(--text-h3);
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: var(--sp-xl) 0 var(--sp-sm);
  scroll-margin-top: calc(88px + var(--sp-lg));
}
.article-content h2:first-child { margin-top: 0; }
.article-content p {
  font-size: var(--text-base);
  color: var(--fg-muted);
  line-height: 1.85;
  margin-bottom: var(--sp-md);
}
.article-content ul, .article-content ol {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
  margin-bottom: var(--sp-md);
  padding-left: var(--sp-md);
}
.article-content li {
  font-size: var(--text-base);
  color: var(--fg-muted);
  line-height: 1.7;
}
.article-content strong { color: var(--fg); font-weight: 600; }
.article-content blockquote {
  margin: var(--sp-lg) 0;
  padding: var(--sp-md) var(--sp-lg);
  border-left: 2px solid var(--fg-faint);
  font-size: var(--text-lg);
  font-weight: 300;
  color: var(--fg);
  line-height: 1.5;
}

.article-cta {
  margin-top: var(--sp-2xl);
  padding: var(--sp-xl);
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(160%);
  backdrop-filter: blur(var(--blur-md)) saturate(160%);
  text-align: center;
}
.article-cta-title {
  font-size: var(--text-h3);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-sm);
}
.article-cta-desc {
  font-size: var(--text-base);
  color: var(--fg-muted);
  margin-bottom: var(--sp-lg);
  max-width: 48ch;
  margin-inline: auto;
}

.article-related { padding: var(--sp-2xl) 0; border-top: 1px solid var(--border); }
.article-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-lg); margin-top: var(--sp-xl); }

@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-toc { position: static; margin-bottom: var(--sp-xl); }
  .article-related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .article-related-grid { grid-template-columns: 1fr; }
  .article-cta { padding: var(--sp-lg); }
}