:root{--font-heading:"Space Grotesk", sans-serif;--font-body:"Inter", sans-serif;--font-mono:"JetBrains Mono", monospace;--transition-fast:.2s cubic-bezier(.4, 0, .2, 1);--transition-normal:.3s cubic-bezier(.4, 0, .2, 1);--transition-slow:.5s cubic-bezier(.4, 0, .2, 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.stat-item{opacity:1;transform:translateY(0)}.stat-value{margin-bottom:.5rem;font-size:3rem;font-weight:800}.stat-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:1rem;font-weight:500}@media (width<=768px){.stats-grid{grid-template-columns:1fr 1fr;display:grid}}.back-to-top{background:var(--bg-tertiary);border:1px solid var(--border-color);width:50px;height:50px;color:var(--text-primary);z-index:99;opacity:.7;transition:all var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;text-decoration:none;display:flex;position:fixed;bottom:2rem;right:2rem;box-shadow:0 4px 12px #0000001a}.back-to-top:hover{opacity:1;border-color:var(--accent-primary);color:var(--accent-primary);transform:translateY(-5px)}@media 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