/* Pages niche : formation, progebat, bureau d'études (Lot 1 crédibilité) */
.hc-niche { overflow-x: clip; }
.hc-niche .hc-niche-band { padding: clamp(40px, 6vw, 72px) 0; }
.hc-niche .hc-niche-band--paper { background: var(--hc-paper); }
.hc-niche .hc-niche-band--card { background: var(--hc-card); border-block: 1px solid var(--hc-line-soft); }
.hc-niche .hc-niche-split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(28px, 5vw, 56px);
    align-items: center;
}
.hc-niche .hc-niche-split--reverse .hc-niche-visual { order: -1; }
.hc-niche-visual {
    border-radius: var(--hc-radius-lg);
    background: linear-gradient(145deg, var(--hc-navy-900) 0%, #0d2a52 100%);
    padding: clamp(16px, 3vw, 28px);
    box-shadow: var(--hc-shadow-md);
    min-height: 220px;
}
.hc-niche-visual svg { width: 100%; height: auto; display: block; }
.hc-niche-kicker {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--hc-signal-600);
    margin: 0 0 10px;
}
.hc-niche h2 { margin: 0 0 14px; font-size: var(--text-h2); }
.hc-niche-lede { color: var(--hc-ink-soft); margin: 0 0 20px; max-width: 52ch; }
.hc-niche-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 20px; }
.hc-niche-tag {
    font-size: .78rem;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 999px;
    background: var(--hc-azure-100);
    color: var(--hc-navy-900);
}
.hc-niche-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.hc-niche-list li {
    position: relative;
    padding-left: 22px;
    font-size: .92rem;
    color: var(--hc-ink-soft);
    line-height: 1.45;
}
.hc-niche-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .55em;
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--hc-signal-600);
}
.hc-niche-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.hc-niche-step {
    background: var(--hc-card);
    border: 1px solid var(--hc-line);
    border-radius: var(--hc-radius-md);
    padding: 18px 14px;
    text-align: center;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity .45s ease, transform .45s ease, border-color .2s ease;
}
.hc-niche.hc-js .hc-niche-step.is-visible { opacity: 1; transform: translateY(0); }
.hc-niche-step-num {
    display: inline-flex;
    width: 28px;
    height: 28px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--hc-navy-900);
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.hc-niche-step strong { display: block; font-size: .82rem; margin-bottom: 4px; }
.hc-niche-step span { font-size: .72rem; color: var(--hc-ink-mute); line-height: 1.35; }
.hc-niche-themes {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}
.hc-niche-theme {
    background: var(--hc-card);
    border: 1px solid var(--hc-line-soft);
    border-radius: var(--hc-radius-md);
    padding: 20px 18px;
}
.hc-niche-theme h3 { font-size: 1rem; margin: 0 0 10px; }
.hc-niche-theme ul { margin: 0; padding: 0 0 0 16px; font-size: .84rem; color: var(--hc-ink-soft); }
.hc-niche-theme li { margin-bottom: 4px; }
.hc-niche-note {
    font-size: .88rem;
    color: var(--hc-ink-mute);
    border-left: 3px solid var(--hc-signal-600);
    padding: 12px 16px;
    background: var(--hc-paper);
    border-radius: 0 var(--hc-radius-sm) var(--hc-radius-sm) 0;
    margin-top: 24px;
}
.hc-niche-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}
.hc-niche-gallery figure { margin: 0; }
.hc-niche-gallery img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    border-radius: var(--hc-radius-md);
    display: block;
}
.hc-niche-gallery figcaption {
    font-size: .78rem;
    color: var(--hc-ink-mute);
    margin-top: 8px;
    text-align: center;
}
.hc-niche-audience {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 20px 0 0;
}
.hc-niche-audience span {
    font-size: .82rem;
    font-weight: 600;
    padding: 12px 14px;
    background: var(--hc-paper);
    border-radius: var(--hc-radius-sm);
    border: 1px solid var(--hc-line-soft);
}
.hc-niche-flow-line {
    stroke-dasharray: 120;
    stroke-dashoffset: 120;
    transition: stroke-dashoffset 1.2s ease;
}
.hc-niche.hc-js .hc-niche-visual.is-animated .hc-niche-flow-line { stroke-dashoffset: 0; }
.hc-niche-node { opacity: 0; transform: scale(0.92); transition: opacity .35s ease, transform .35s ease; }
.hc-niche.hc-js .hc-niche-visual.is-animated .hc-niche-node { opacity: 1; transform: scale(1); }
.hc-niche.hc-js .hc-niche-visual.is-animated .hc-niche-node:nth-child(2) { transition-delay: .12s; }
.hc-niche.hc-js .hc-niche-visual.is-animated .hc-niche-node:nth-child(3) { transition-delay: .24s; }
.hc-niche.hc-js .hc-niche-visual.is-animated .hc-niche-node:nth-child(4) { transition-delay: .36s; }
@media (prefers-reduced-motion: reduce) {
    .hc-niche-step, .hc-niche-flow-line, .hc-niche-node { opacity: 1 !important; transform: none !important; transition: none !important; stroke-dashoffset: 0 !important; }
}
@media (max-width: 900px) {
    .hc-niche-split, .hc-niche-split--reverse .hc-niche-visual { grid-template-columns: 1fr; }
    .hc-niche-split--reverse .hc-niche-visual { order: -1; }
    .hc-niche-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hc-niche-themes { grid-template-columns: 1fr; }
    .hc-niche-gallery { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .hc-niche-steps { grid-template-columns: 1fr; }
    .hc-niche-audience { grid-template-columns: 1fr; }
}