/* ISGI - page d'accueil (tout est limité à .isgi-home)
   Couleurs : bleu #00458b | bleu foncé #00376d | jaune #ffcc00 | encre #14284b */

.isgi-home {
  --isgi-blue: #00458b; --isgi-dark: #00376d; --isgi-yellow: #ffcc00; --isgi-ink: #14284b;
  --isgi-line: #e3e9f2; --isgi-soft: #f3f6fb; --isgi-muted: #5b6b82;
  --isgi-radius: 14px; --isgi-shadow: 0 2px 10px rgba(0, 40, 90, .07); --isgi-shadow-lg: 0 16px 32px rgba(0, 40, 90, .16);
  color: var(--isgi-ink);
  overflow-x: clip;
}
.isgi-home img { max-width: 100%; }
.isgi-home a:focus-visible, .isgi-home button:focus-visible { outline: 3px solid var(--isgi-yellow); outline-offset: 2px; }

/* ── Titres de section ───────────────────────────────────────── */
.isgi-home .section-head { text-align: center; margin-bottom: 2rem; }
.isgi-home .section-head h2 { margin: 0; font-size: clamp(1.45rem, 1.1rem + 1.2vw, 2rem); font-weight: 700; color: var(--isgi-blue); letter-spacing: .01em; }
.isgi-home .section-head h2::after { content: ""; display: block; width: 64px; height: 4px; border-radius: 2px; background: var(--isgi-yellow); margin: .6rem auto .7rem; }
.isgi-home .section-head p { margin: 0; color: var(--isgi-muted); font-size: 1rem; }
.isgi-home .section-pad { padding: clamp(2rem, 4vw, 3.5rem) 0; }

/* ── Bandeau d'accueil (carrousel) ───────────────────────────── */
.isgi-home .isgi-hero { background: linear-gradient(180deg, #e8eff9 0%, #f6f8fc 100%); padding: 1.25rem 0 3.4rem; }
.isgi-home .isgi-hero .carousel { border-radius: var(--isgi-radius); overflow: hidden; box-shadow: 0 12px 30px rgba(0, 40, 90, .24); background: #0b1b33; }
.isgi-home .carousel-img { display: block; width: 100%; height: clamp(210px, 41vw, 460px); object-fit: cover; border-radius: 0; transform: none !important; }
.isgi-home .carousel-caption.bg-caption {
  inset: auto 0 0 0; max-width: 100%; margin: 0; border-radius: 0; text-align: start;
  padding: 3.4rem clamp(1rem, 3vw, 2.2rem) clamp(1.6rem, 3vw, 2.4rem);
  background: linear-gradient(180deg, rgba(0, 20, 50, 0) 0%, rgba(0, 28, 64, .85) 100%);
  text-shadow: none;
}
.isgi-home .carousel-caption h2 { font-size: clamp(1.1rem, .8rem + 1.4vw, 1.9rem); font-weight: 700; margin: 0 0 .25rem; color: #fff; }
.isgi-home .carousel-caption h2::after { display: none; }
.isgi-home .carousel-caption p { font-size: clamp(.82rem, .75rem + .35vw, 1.05rem); color: #e8eef8; margin: 0; }
.isgi-home .carousel-indicators { margin-bottom: .6rem; }
.isgi-home .carousel-indicators li { width: 10px; height: 10px; border-radius: 50%; background-color: #fff; opacity: .6; }
.isgi-home .carousel-indicators .active { background-color: var(--isgi-yellow); opacity: 1; }
.isgi-home .carousel-control-prev-icon, .isgi-home .carousel-control-next-icon { filter: drop-shadow(0 0 5px #000); }
@media (max-width: 575.98px) {
  .isgi-home .isgi-hero { padding-bottom: 2.4rem; }
  .isgi-home .isgi-hero .carousel { border-radius: 10px; }
  .isgi-home .carousel-caption.bg-caption { padding-top: 2.2rem; }
  .isgi-home .carousel-indicators { display: none; }
}

/* ── Accès rapides ───────────────────────────────────────────── */
.isgi-home .isgi-quick { margin-top: -2.6rem; position: relative; z-index: 2; }
.isgi-home .isgi-quick-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: .8rem; }
.isgi-home .isgi-quick-item {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .5rem; text-align: center;
  min-height: 98px; padding: .9rem .5rem; background: #fff; border: 1px solid var(--isgi-line); border-bottom: 3px solid var(--isgi-yellow);
  border-radius: 12px; box-shadow: var(--isgi-shadow); color: var(--isgi-ink); font-weight: 600; font-size: .9rem; line-height: 1.25; text-decoration: none;
  transition: transform .2s, box-shadow .2s, background-color .2s, color .2s;
}
.isgi-home .isgi-quick-item i { font-size: 1.45rem; color: var(--isgi-blue); transition: color .2s; }
.isgi-home .isgi-quick-item:hover { transform: translateY(-4px); box-shadow: var(--isgi-shadow-lg); background: var(--isgi-blue); color: #fff; text-decoration: none; }
.isgi-home .isgi-quick-item:hover i { color: var(--isgi-yellow); }
@media (max-width: 991.98px) { .isgi-home .isgi-quick-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 575.98px) {
  .isgi-home .isgi-quick { margin-top: -1.6rem; }
  .isgi-home .isgi-quick-grid { grid-template-columns: repeat(2, 1fr); gap: .6rem; }
  .isgi-home .isgi-quick-item { min-height: 84px; font-size: .84rem; }
}

/* ── Actualités ──────────────────────────────────────────────── */
.isgi-home .isgi-news { background: #fff; }
.isgi-home .news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1.25rem; }
.isgi-home .news-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--isgi-line); border-radius: 12px; overflow: hidden; box-shadow: var(--isgi-shadow); transition: transform .2s, box-shadow .2s; }
.isgi-home .news-card:hover { transform: translateY(-4px); box-shadow: var(--isgi-shadow-lg); }
.isgi-home .news-thumb { display: block; aspect-ratio: 4 / 3; background: #eef2f8; overflow: hidden; }
.isgi-home .news-thumb img { width: 100%; height: 100%; object-fit: contain; display: block; transition: transform .3s; }
.isgi-home .news-card:hover .news-thumb img { transform: scale(1.03); }
.isgi-home .news-body { flex: 1 1 auto; padding: .9rem 1.05rem .5rem; }
.isgi-home .news-title { margin: 0; font-size: 1rem; line-height: 1.4; font-weight: 600; }
.isgi-home .news-title a { color: var(--isgi-ink); text-decoration: none; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.isgi-home .news-title a:hover { color: var(--isgi-blue); }
.isgi-home .news-date { display: block; padding: .55rem 1.05rem .8rem; color: var(--isgi-muted); font-size: .82rem; border-top: 1px solid var(--isgi-line); }
.isgi-home .news-date i { color: #d6a300; margin-inline-end: .35rem; }
.isgi-home .btn-more { display: inline-block; padding: .55rem 1.8rem; border: 2px solid var(--isgi-blue); border-radius: 999px; color: var(--isgi-blue); font-weight: 600; text-decoration: none; transition: background-color .2s, color .2s; }
.isgi-home .btn-more:hover { background: var(--isgi-blue); color: #fff; text-decoration: none; }

/* ── Colonne latérale ────────────────────────────────────────── */
.isgi-home .sidebar-right { background: var(--isgi-soft); border: 1px solid var(--isgi-line); border-radius: var(--isgi-radius); padding: 1.1rem; font-size: .93rem; }
.isgi-home .sidebar-section-director { background: #fff; border: 1px solid var(--isgi-line); border-radius: 12px; padding: 14px; text-align: center; margin-bottom: 1.25rem; box-shadow: var(--isgi-shadow); }
.isgi-home .sidebar-section-director img { width: min(100%, 220px); height: auto; border-radius: 10px; border: 2px solid var(--isgi-blue); margin-bottom: .4rem; }
.isgi-home .sidebar-section-director h6 { color: var(--isgi-blue); font-weight: 700; margin: .25rem 0 0; }
.isgi-home .sidebar-section + .sidebar-section { margin-top: 1.25rem; }
.isgi-home .sidebar-title { font-size: 1rem; font-weight: 700; color: var(--isgi-blue); padding-bottom: .4rem; margin: 0 0 .75rem; border-bottom: 2px solid var(--isgi-yellow); display: inline-block; }
.isgi-home .sidebar-links, .isgi-home .sidebar-news, .isgi-home .sidebar-contact { list-style: none; padding: 0; margin: 0; }
.isgi-home .sidebar-links li, .isgi-home .sidebar-news li, .isgi-home .sidebar-contact li { margin-bottom: .5rem; }
.isgi-home .sidebar-right a { color: var(--isgi-blue); text-decoration: none; }
.isgi-home .sidebar-right a:hover { color: var(--isgi-dark); text-decoration: underline; }
.isgi-home .sidebar-links a { display: block; padding: .15rem 0; padding-inline-start: .9rem; position: relative; }
.isgi-home .sidebar-links a::before { content: "\203A"; position: absolute; inset-inline-start: 0; color: #d6a300; font-weight: 700; }
[dir="rtl"] .isgi-home .sidebar-links a::before { content: "\2039"; }
.isgi-home .sidebar-contact i { margin-inline-end: .5rem; color: var(--isgi-blue); width: 1.1em; text-align: center; }
@media (max-width: 991.98px) {
  /* Sous le fil d'actualités, la colonne latérale passe en deux blocs côte à côte puis en pile */
  .isgi-home .sidebar-right { margin-top: 1.5rem; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.1rem 1.5rem; }
  .isgi-home .sidebar-section-director, .isgi-home .sidebar-section + .sidebar-section { margin: 0; }
}

/* ── Projets des étudiants : bande défilante ─────────────────── */
.isgi-home .isgi-projects { background: var(--isgi-soft); }
.isgi-home .poster-wrap { position: relative; }
.isgi-home .poster-strip { display: flex; gap: 1.1rem; overflow-x: auto; scroll-snap-type: x mandatory; padding: .4rem .2rem 1rem; scrollbar-width: thin; -webkit-overflow-scrolling: touch; }
.isgi-home .poster-card { flex: 0 0 min(78%, 330px); scroll-snap-align: center; margin: 0; text-align: center; background: #fff; border: 1px solid var(--isgi-line); border-radius: 12px; padding: .6rem; box-shadow: var(--isgi-shadow); }
.isgi-home .poster-card img { width: 100%; height: 300px; object-fit: contain; border-radius: 8px; background: #fff; }
.isgi-home .poster-card figcaption { margin-top: .5rem; font-weight: 600; font-size: .92rem; color: var(--isgi-ink); }
.isgi-home .poster-nav { position: absolute; top: calc(50% - 1.2rem); width: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--isgi-blue); color: #fff; box-shadow: 0 4px 12px rgba(0, 40, 90, .3); display: none; align-items: center; justify-content: center; }
.isgi-home .poster-nav:hover { background: var(--isgi-dark); }
.isgi-home .poster-nav.prev { inset-inline-start: -10px; }
.isgi-home .poster-nav.next { inset-inline-end: -10px; }
[dir="rtl"] .isgi-home .poster-nav i { transform: scaleX(-1); }
@media (min-width: 768px) {
  .isgi-home .poster-nav { display: inline-flex; }
  .isgi-home .poster-card { flex-basis: 300px; }
}

/* ── Multimédia ──────────────────────────────────────────────── */
.isgi-home .isgi-media { background: #fff; }
.isgi-home .media-toggle { display: inline-flex; margin-top: 1rem; padding: 4px; background: var(--isgi-soft); border: 1px solid var(--isgi-line); border-radius: 999px; }
.isgi-home .media-toggle .btn { border: 0; border-radius: 999px; padding: .45rem 1.4rem; color: var(--isgi-blue); font-weight: 600; background: transparent; box-shadow: none; }
.isgi-home .media-toggle .btn.active { background: var(--isgi-blue); color: #fff; }
.isgi-home .video-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); gap: 1.5rem; max-width: 900px; margin: 0 auto; }
.isgi-home .video-grid .ratio { overflow: hidden; border-radius: 12px; box-shadow: 0 6px 18px rgba(0, 40, 90, .16); background: #0b1b33; }
.isgi-home .video-grid p { margin: .6rem 0 0; font-weight: 600; text-align: center; }
.isgi-home .photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr)); gap: 1rem; }
.isgi-home .photo-grid figure { margin: 0; text-align: center; }
.isgi-home .photo-grid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 10px; box-shadow: var(--isgi-shadow); transition: transform .25s; }
.isgi-home .photo-grid a:hover img { transform: scale(1.03); }
.isgi-home .photo-grid figcaption { margin-top: .4rem; font-size: .82rem; color: var(--isgi-muted); }

@media (prefers-reduced-motion: reduce) {
  .isgi-home *, .isgi-home *::before, .isgi-home *::after { transition: none !important; scroll-behavior: auto !important; }
}