/* Filters */
.cases-filters{padding:20px 0;background:var(--c-surface,#fff);border-bottom:1px solid var(--c-border,#E3E8EF);position:sticky;top:68px;z-index:50}
.filter-row{display:flex;gap:8px;flex-wrap:wrap}
.filter-btn{font-family:inherit;font-size:13px;font-weight:600;padding:7px 16px;border:1px solid var(--c-border,#E3E8EF);border-radius:20px;background:transparent;color:var(--c-text-muted,#8B97A8);cursor:pointer;transition:all .15s}
.filter-btn:hover{color:var(--c-text,#1A1A1A);border-color:var(--c-text-muted,#8B97A8)}
.filter-btn.active{background:var(--c-accent,#2F80ED);color:#fff;border-color:var(--c-accent,#2F80ED)}
/* Cases grid */
.cases-section{padding:48px 0 80px;background:var(--c-bg,#F5F7FA)}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{background:var(--c-surface,#fff);border:1px solid var(--c-border,#E3E8EF);border-radius:16px;padding:32px 28px;transition:all .25s;display:flex;flex-direction:column}
.case-card:hover{border-color:var(--c-accent,#2F80ED);box-shadow:0 4px 16px rgba(15,36,61,.07);transform:translateY(-2px)}
.case-tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--c-accent,#2F80ED);background:rgba(47,128,237,.07);border:1px solid rgba(47,128,237,.18);padding:3px 10px;border-radius:4px;margin-bottom:14px;align-self:flex-start}
.case-card h3{font-size:17px;font-weight:800;color:var(--c-dark,#0F243D);letter-spacing:-.2px;margin-bottom:10px;line-height:1.35}
.case-results{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-divider,#EEF1F6)}
.case-result{display:flex;align-items:flex-start;gap:8px;font-size:13px;line-height:1.55;color:var(--c-text-secondary,#5A6B7F);margin-bottom:6px}
.case-result:last-child{margin-bottom:0}
.case-check{color:var(--c-accent,#2F80ED);font-weight:700;flex-shrink:0;margin-top:1px}
@media(max-width:1024px){.cases-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.cases-grid{grid-template-columns:1fr}.filter-row{gap:6px}}