:root{--bg: #070a10;--bg-section: #0a0f18;--bg-elevated: #0e1521;--bg-card: rgba(255, 255, 255, .035);--bg-card-strong: rgba(255, 255, 255, .055);--border: rgba(226, 232, 240, .12);--border-hover: rgba(226, 232, 240, .22);--text-primary: #f4f7fb;--text-secondary: #b5becc;--text-muted: #909bad;--accent-blue: #67a2ff;--accent-green: #24d3a0;--accent-orange: #f7931a;--accent-red: #ff4757;--accent-purple: #9945ff;--success: #45d7a9;--warning: #f5bd5b;--danger: #ff7180;--focus-ring: #8db9ff;--gradient-primary: linear-gradient(135deg, var(--accent-blue), var(--accent-green));--chain-ethereum: #627eea;--chain-bitcoin: #f7931a;--chain-bnb: #f3ba2f;--chain-polygon: #8247e5;--chain-solana: #9945ff;--chain-tron: #ff0013;--font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 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16px}}@media(max-width:480px){.grid-6,.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:var(--space-2)}.hero-ctas{flex-direction:column;align-items:center}.btn{width:100%}.nav-overlay{grid-template-columns:1fr}.nav-overlay__backdrop{display:none}.nav-overlay__panel{width:100%;border-left:0}}.error-page{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.error-page__code{font-size:80px;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.error-page__text{font-size:18px;color:var(--text-secondary);margin:12px 0 32px}.error-page h1{color:var(--text-primary);font-size:clamp(2rem,5vw,3rem);line-height:1.15}.error-page__actions{display:flex;flex-wrap:wrap;gap:var(--space-4);align-items:center;justify-content:center}.glass-card{background:#ffffff08;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px 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