.friction-grid-wrap{border-left:1px solid var(--border);border-top:1px solid var(--border)}.friction-card{background:var(--bg);border:1px solid var(--border);border-bottom:none;border-right:none;height:100%;overflow:hidden;padding:44px 40px;position:relative;transition:background .25s}.friction-card:hover{background:var(--surface)}.friction-card:before{background:var(--accent);content:"";height:0;left:0;position:absolute;top:0;transition:height .4s ease;width:3px}.friction-card:hover:before{height:100%}.friction-number{color:var(--accent);display:block;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.12em;margin-bottom:18px}.friction-title{font-size:1rem;font-weight:600;line-height:1.35;margin-bottom:12px}.friction-body{color:var(--muted);font-size:.875rem;font-weight:300;line-height:1.72;margin:0}@media (max-width:767px){.friction-card{padding:32px 24px}}