.wv-sigs{border-bottom:1px solid var(--line);padding:96px 0}.sigs-grid{display:grid;gap:16px;grid-template-columns:repeat(4,1fr);list-style:none;margin:0;padding:0}.sig-card{background:var(--bg-2);border:1px solid var(--line);border-radius:14px;cursor:default;display:flex;flex-direction:column;gap:10px;min-height:180px;padding:22px;text-decoration:none;transition:border-color .2s ease,transform .2s ease,background .2s ease}.sig-card:hover{background:linear-gradient(180deg,rgba(0,148,114,.06),transparent 60%),var(--bg-2);border-color:rgba(0,148,114,.5);transform:translateY(-2px)}.sig-card .num{color:var(--wv-green-soft);font-family:JetBrains Mono,ui-monospace,monospace;font-size:11px;letter-spacing:.1em}.sig-card h5{color:var(--fg);font-size:16px;font-weight:600;line-height:1.25;margin:0}.sig-card p{color:var(--fg-dim);font-size:13.5px;line-height:1.5;margin:0}@media (max-width:920px){.wv-sigs{padding:64px 0}.sigs-grid{grid-template-columns:1fr 1fr}}@media (max-width:540px){.sigs-grid{grid-template-columns:1fr}}