/* Listing /blog — landing full-bleed. Grille 4 → 2 → 1. N’affecte pas les pages article. */

.blog-listing {
  --blog-teal: var(--petronas, #00d2be);
  --blog-violet: var(--violet-bright, #a78bfa);
  --blog-panel: rgba(12, 12, 18, 0.92);
  --blog-border: rgba(255, 255, 255, 0.1);
  --blog-muted: rgba(232, 238, 245, 0.68);
  color: #e8eef5;
  padding-bottom: 0;
}

.blog-listing-hero {
  position: relative;
  min-height: min(82vh, 760px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  margin: 0;
  border-bottom: 1px solid var(--blog-border);
}

.blog-listing-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: #05050a;
  background-image:
    radial-gradient(ellipse 80% 70% at 12% 18%, rgba(0, 210, 190, 0.22), transparent 55%),
    radial-gradient(ellipse 70% 60% at 92% 82%, rgba(167, 139, 250, 0.28), transparent 50%),
    var(--blog-hero-still, none),
    linear-gradient(180deg, #0a0a10 0%, #12121c 100%);
  background-size: cover, cover, cover, auto;
  background-position: center, center, center, center;
  background-repeat: no-repeat;
}

.blog-listing-hero-video,
.blog-listing-hero-photo {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
  transform-origin: center;
  animation: blog-listing-kenburns 22s ease-in-out infinite alternate;
}

.blog-listing-hero-veil {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5, 5, 10, 0.9) 0%, rgba(5, 5, 10, 0.62) 46%, rgba(5, 5, 10, 0.38) 100%),
    linear-gradient(180deg, rgba(5, 5, 10, 0.28) 0%, transparent 32%, rgba(5, 5, 10, 0.78) 100%);
}

.blog-listing-hero-inner {
  position: relative;
  z-index: 3;
  padding: 3.25rem 0 4.25rem;
}

.blog-listing-hero-inner > * {
  max-width: 42rem;
}

.blog-listing-breadcrumb {
  margin-bottom: 1.15rem;
}

.blog-listing-breadcrumb a {
  color: rgba(255, 255, 255, 0.55);
}

.blog-listing-breadcrumb a:hover {
  color: var(--blog-teal);
}

.blog-listing-title {
  font-size: clamp(2.4rem, 6vw, 4.1rem);
  line-height: 1.02;
  margin: 0 0 0.75rem;
}

.blog-listing-lead {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--blog-muted);
  margin: 0 0 1.35rem;
  max-width: 36rem;
}

.blog-listing-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.blog-listing-scroll {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 1.15rem;
  transform: translateX(-50%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.blog-listing-scroll span {
  width: 1px;
  height: 1.65rem;
  background: linear-gradient(180deg, var(--blog-teal), var(--blog-violet));
  animation: blog-listing-scroll-pulse 1.6s ease-in-out infinite;
}

.blog-listing-body {
  max-width: 1440px;
  margin: 0 auto;
  padding: 2.25rem 20px 4rem;
}

.blog-listing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  scroll-margin-top: calc(var(--site-header-offset-h, 72px) + var(--site-top-stack-h, 0px) + 1.25rem);
}

@media (min-width: 721px) {
  .blog-listing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.15rem;
  }
}

@media (min-width: 1200px) {
  .blog-listing-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.15rem;
  }
}

.blog-listing-grid .blog-card {
  min-width: 0;
  height: 100%;
  background: var(--blog-panel);
  border-color: var(--blog-border);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.blog-listing-grid .blog-card:nth-child(4n + 1) { --blog-reveal-delay: 0ms; }
.blog-listing-grid .blog-card:nth-child(4n + 2) { --blog-reveal-delay: 80ms; }
.blog-listing-grid .blog-card:nth-child(4n + 3) { --blog-reveal-delay: 160ms; }
.blog-listing-grid .blog-card:nth-child(4n + 4) { --blog-reveal-delay: 240ms; }

.blog-listing.is-reveal .blog-listing-grid .blog-card[data-blog-reveal] {
  opacity: 0;
  transform: translateY(18px);
  animation: blog-listing-show-fallback 0.01s linear 1.2s forwards;
  transition:
    opacity 0.55s ease var(--blog-reveal-delay, 0ms),
    transform 0.55s ease var(--blog-reveal-delay, 0ms),
    border-color 0.3s ease;
}

.blog-listing.is-reveal .blog-listing-grid .blog-card[data-blog-reveal].is-in {
  opacity: 1;
  transform: none;
  animation: none;
}

.blog-listing-grid .blog-card.is-in:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 210, 190, 0.28);
}

.blog-listing-grid .blog-card-media-link {
  overflow: hidden;
}

.blog-listing-grid .blog-card-media {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.blog-listing-grid .blog-card-media img {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
  transform: scale(1.04);
  transform-origin: center;
  transition: transform 0.7s ease;
}

.blog-listing-grid .blog-card.is-in:hover .blog-card-media img {
  transform: scale(1.12);
}

.blog-listing-grid .blog-card-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-listing-grid .blog-card-excerpt {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-listing-cta {
  margin-top: 2rem;
  padding: 1.5rem;
  text-align: center;
  background:
    radial-gradient(ellipse 50% 80% at 50% 0%, rgba(0, 210, 190, 0.12), transparent 60%),
    radial-gradient(ellipse 40% 70% at 80% 100%, rgba(139, 92, 246, 0.14), transparent 55%),
    var(--blog-panel);
  border-color: var(--blog-border);
}

@keyframes blog-listing-kenburns {
  0% { transform: scale(1) translate3d(0, 0, 0); }
  100% { transform: scale(1.08) translate3d(-1.4%, -1%, 0); }
}

@keyframes blog-listing-scroll-pulse {
  0%, 100% { opacity: 0.35; transform: scaleY(0.75); }
  50% { opacity: 1; transform: scaleY(1); }
}

@keyframes blog-listing-show-fallback {
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .blog-listing-hero-video {
    display: none;
  }

  .blog-listing-hero-photo,
  .blog-listing-scroll span {
    animation: none;
  }

  .blog-listing.is-reveal .blog-listing-grid .blog-card[data-blog-reveal],
  .blog-listing.is-reveal .blog-listing-grid .blog-card[data-blog-reveal].is-in,
  .blog-listing-grid .blog-card.is-in:hover {
    opacity: 1;
    transform: none;
    animation: none;
    transition: border-color 0.3s ease;
  }

  .blog-listing-grid .blog-card-media img,
  .blog-listing-grid .blog-card.is-in:hover .blog-card-media img {
    transform: none;
    transition: none;
  }
}