/* ============================================================
   CASE STUDIES — category / list / detail
   case.css  v1
   ============================================================ */

/* ---- Banner (inherits .page-banner from components) ---- */
.page-banner .page-banner-eyebrow {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-accent);
    background: rgba(174,218,31,0.12);
    padding: 0.3rem 0.9rem;
    border-radius: 3px;
    margin-bottom: 0.85rem;
}

/* ---- Page wrapper ---- */
.case-page {
    padding: 4.5rem 0 5.5rem;
    background: var(--color-bg-light);
    min-height: 60vh;
}

/* ================================================================
   CATEGORY PAGE — sub-category cards
   ================================================================ */
.case-cat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.case-cat-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 18px rgba(0,31,71,.07);
    border: 1px solid var(--color-border);
    transition: transform .3s ease, box-shadow .3s ease;
    display: flex;
    flex-direction: column;
}

.case-cat-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 44px rgba(0,31,71,.14);
}

.case-cat-img {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.case-cat-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .55s ease;
}

.case-cat-card:hover .case-cat-img img {
    transform: scale(1.07);
}

.case-cat-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,31,71,.7) 0%, transparent 60%);
    opacity: 0;
    transition: opacity .3s ease;
}

.case-cat-card:hover .case-cat-img-overlay { opacity: 1; }

.case-cat-body {
    padding: 1.35rem 1.5rem 1.6rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.case-cat-body h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
    line-height: 1.3;
}

.case-cat-body p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

.case-cat-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    margin-top: 0.5rem;
    transition: color .2s, gap .2s;
}

.case-cat-link svg { width: 14px; height: 14px; transition: transform .2s; }
.case-cat-link:hover { color: var(--color-accent-hover); }
.case-cat-link:hover svg { transform: translateX(4px); }

/* ================================================================
   LIST PAGE — case cards + sidebar
   ================================================================ */
.case-list-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 2.5rem;
    align-items: start;
}

/* Filter strip */
.case-filters {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--color-border);
}

.case-filter-label {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-right: 0.25rem;
}

.case-filter-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-text-muted);
    background: #fff;
    border: 1.5px solid var(--color-border);
    transition: all .2s;
    text-decoration: none;
    cursor: pointer;
}

.case-filter-btn:hover,
.case-filter-btn.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* Card grid */
.case-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
}

.case-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 14px rgba(0,31,71,.06);
    border: 1px solid var(--color-border);
    transition: transform .3s ease, box-shadow .3s ease;
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 36px rgba(0,31,71,.13);
}

.case-card-img {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.case-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .5s ease;
}

.case-card:hover .case-card-img img { transform: scale(1.06); }

.case-card-cat-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: var(--color-accent);
    color: var(--color-primary);
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.2rem 0.6rem;
    border-radius: 3px;
}

.case-card-body {
    padding: 1.25rem 1.35rem 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.case-card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.72rem;
    color: var(--color-text-muted);
}

.case-card-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.case-card-meta svg { width: 13px; height: 13px; }

.case-card-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.35;
    margin: 0;
    transition: color .2s;
}

.case-card:hover .case-card-title { color: var(--color-accent-hover); }

.case-card-desc {
    font-size: 0.83rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.case-card-footer {
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.case-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-primary);
    transition: color .2s, gap .2s;
}

.case-read-more svg { width: 14px; height: 14px; transition: transform .2s; }
.case-read-more:hover { color: var(--color-accent-hover); }
.case-read-more:hover svg { transform: translateX(4px); }

/* Empty state */
.case-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--color-text-muted);
}

.case-empty svg {
    width: 56px; height: 56px;
    stroke: var(--color-border);
    margin-bottom: 1rem;
}

.case-empty h3 { font-size: 1.25rem; color: var(--color-primary); margin-bottom: 0.5rem; }

/* Pagination */
.case-pagination {
    margin-top: 2.5rem;
    display: flex;
    justify-content: center;
}

/* ================================================================
   LIST + DETAIL SIDEBAR
   ================================================================ */
.case-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: sticky;
    top: 100px;
}

.sidebar-box {
    background: #fff;
    border-radius: 10px;
    padding: 1.35rem 1.5rem;
    box-shadow: 0 2px 14px rgba(0,31,71,.06);
    border: 1px solid var(--color-border);
}

.sidebar-box-title {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-primary);
    margin: 0 0 1rem;
    padding-bottom: 0.6rem;
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
}

/* Category nav in sidebar */
.sidebar-cat-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.sidebar-cat-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.6rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
    border-radius: 5px;
    transition: background .18s, color .18s, padding-left .18s;
    text-decoration: none;
}

.sidebar-cat-link svg { width: 14px; height: 14px; color: var(--color-accent); opacity: .6; transition: opacity .18s, transform .18s; flex-shrink: 0; }
.sidebar-cat-link:hover { background: var(--color-bg-light); color: var(--color-primary); padding-left: 0.9rem; }
.sidebar-cat-link:hover svg { opacity: 1; transform: translateX(3px); }
.sidebar-cat-link.active { background: var(--color-accent-light); color: var(--color-primary); font-weight: 700; padding-left: 0.9rem; border-left: 3px solid var(--color-accent); }
.sidebar-cat-link.active svg { opacity: 1; }

/* Recent cases in sidebar */
.sidebar-recent-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.sidebar-recent-item a {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    text-decoration: none;
    transition: opacity .2s;
}

.sidebar-recent-item a:hover { opacity: .8; }

.sidebar-recent-img {
    flex-shrink: 0;
    width: 64px;
    height: 50px;
    border-radius: 6px;
    overflow: hidden;
    background: var(--color-bg-light);
}

.sidebar-recent-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.sidebar-recent-text { flex: 1; }

.sidebar-recent-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidebar-recent-date {
    font-size: 0.68rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* CTA box in sidebar */
.sidebar-cta {
    background: var(--color-primary);
    border: none;
    text-align: center;
}

.sidebar-cta-icon {
    width: 52px;
    height: 52px;
    background: rgba(174,218,31,.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--color-accent);
}

.sidebar-cta-icon svg { width: 22px; height: 22px; }
.sidebar-cta h4 { font-family: var(--font-heading); font-size: 1.05rem; font-weight: 700; color: #fff; margin: 0 0 0.4rem; }
.sidebar-cta p { font-size: 0.8rem; color: rgba(255,255,255,.65); margin: 0 0 1rem; }
.sidebar-cta .btn { width: 100%; justify-content: center; font-size: 0.82rem; padding: 0.6rem 1rem; }

/* ================================================================
   DETAIL PAGE
   ================================================================ */
.case-detail-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 2.5rem;
    align-items: start;
}

/* Hero image */
.case-detail-hero {
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px rgba(0,31,71,.12);
}

.case-detail-hero img {
    width: 100%;
    height: auto;
    max-height: 460px;
    object-fit: cover;
    display: block;
}

/* Meta bar */
.case-detail-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding: 0.9rem 1.25rem;
    background: var(--color-bg-light);
    border-radius: 8px;
    margin-bottom: 2rem;
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.case-detail-meta-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.case-detail-meta-item svg { width: 15px; height: 15px; color: var(--color-accent); flex-shrink: 0; }

/* Summary box */
.case-summary-box {
    background: var(--color-accent-light);
    border-left: 4px solid var(--color-accent);
    border-radius: 0 8px 8px 0;
    padding: 1.25rem 1.5rem;
    margin-bottom: 2rem;
}

.case-summary-box h4 {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-primary);
    margin: 0 0 0.5rem;
}

.case-summary-box p {
    font-size: 0.925rem;
    color: var(--color-primary);
    line-height: 1.65;
    margin: 0;
    font-weight: 500;
}

/* Article prose */
.case-prose {
    background: #fff;
    border-radius: 10px;
    padding: 2.25rem 2.5rem;
    box-shadow: 0 2px 14px rgba(0,31,71,.05);
    border: 1px solid var(--color-border);
    font-size: 1rem;
    line-height: 1.85;
    color: var(--color-text-muted);
}

.case-prose h2, .case-prose h3, .case-prose h4 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 700;
    margin-top: 1.75rem;
    margin-bottom: 0.65rem;
}

.case-prose h2 { font-size: 1.35rem; }
.case-prose h3 { font-size: 1.1rem; }
.case-prose p  { margin-bottom: 1rem; }
.case-prose p:last-child { margin-bottom: 0; }
.case-prose img { max-width: 100%; border-radius: 8px; margin: 1rem 0; }
.case-prose ul, .case-prose ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.case-prose li { margin-bottom: 0.35rem; }

.case-prose strong { color: var(--color-primary); font-weight: 700; }
.case-prose a { color: var(--color-primary); font-weight: 600; border-bottom: 1px solid var(--color-accent); padding-bottom: 1px; }
.case-prose a:hover { color: var(--color-accent-hover); }

/* Prev / Next nav */
.case-prev-next {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.case-prev-next-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 1rem 1.25rem;
    background: #fff;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    text-decoration: none;
    transition: border-color .2s, box-shadow .2s;
}

.case-prev-next-link:hover {
    border-color: var(--color-accent);
    box-shadow: 0 4px 16px rgba(0,31,71,.1);
}

.case-prev-next-link.next { justify-content: flex-end; text-align: right; }

.case-prev-next-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: var(--color-bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: background .2s, color .2s;
}

.case-prev-next-link:hover .case-prev-next-icon {
    background: var(--color-accent);
    color: var(--color-primary);
}

.case-prev-next-icon svg { width: 16px; height: 16px; }

.case-prev-next-text { flex: 1; }
.case-prev-next-dir { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-muted); margin-bottom: 0.2rem; }
.case-prev-next-title { font-size: 0.85rem; font-weight: 600; color: var(--color-primary); line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1024px) {
    .case-cat-grid { grid-template-columns: repeat(2, 1fr); }
    .case-list-layout,
    .case-detail-layout { grid-template-columns: 1fr 240px; gap: 2rem; }
}

@media (max-width: 768px) {
    .case-cat-grid,
    .case-cards-grid { grid-template-columns: 1fr; }
    .case-list-layout,
    .case-detail-layout { grid-template-columns: 1fr; }
    .case-sidebar { position: static; }
    .case-prev-next { grid-template-columns: 1fr; }
    .case-prose { padding: 1.5rem; }
    .case-page { padding: 3rem 0 4rem; }
}