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.15s}.exp-card:hover{border-color:var(--accent);transform:translateY(-2px);background:var(--bg-elev)}.exp-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:6px}.exp-blurb{font-size:12.5px;line-height:1.5;color:var(--text-dim)}.stack-section{margin-top:56px;border-top:1px solid var(--border);padding-top:32px}.stack-section h2{font-size:18px;margin:0 0 8px}.stack-diagram{display:flex;align-items:stretch;gap:10px;flex-wrap:wrap;margin:24px 0 8px}.stack-node{flex:1 1 160px;min-width:160px;max-width:280px;background:var(--bg-panel);border:1px solid var(--border);border-radius:10px;padding:14px 18px;display:flex;flex-direction:column;justify-content:center}.sn-title{font-size:13.5px;font-weight:650;color:var(--text)}.sn-desc{font-size:12px;line-height:1.55;color:var(--text-dim);margin-top:4px}.stack-arrow{align-self:center;color:var(--accent);font-size:16px;padding:0 2px;flex:0 0 auto}