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#1a1a1a;--color-text: #e5e5e5;--color-text-secondary: #999999;--color-accent: #f7931a;--color-accent-hover: #ffaa33;--color-link: #66aaff;--color-link-hover: #99ccff;--color-surface: #1a1a1a;--color-surface-elevated: #262626;--color-border: #333333;--color-code-bg: #1e1e1e;--color-code-text: #d4d4d4;--shadow-card-hover: 0 2px 12px rgba(0, 0, 0, .4)}[data-theme=bitcoin]{--color-bg: #0d1117;--color-bg-secondary: #161b22;--color-text: #f0f6fc;--color-text-secondary: #8b949e;--color-accent: #f7931a;--color-accent-hover: #ffaa33;--color-link: #f7931a;--color-link-hover: #ffaa33;--color-surface: #161b22;--color-surface-elevated: #21262d;--color-border: #30363d;--color-code-bg: #161b22;--color-code-text: #f0f6fc;--shadow-card-hover: 0 2px 12px rgba(0, 0, 0, .5)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-body);line-height:1.6;color:var(--color-text);background-color:var(--color-bg);transition:background-color var(--transition-normal),color 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var(--color-border);background:var(--color-surface);margin-top:auto}.footer-inner[data-astro-cid-sz7xmlte]{max-width:var(--wide-width);margin:0 auto;padding:var(--space-xl) var(--space-md) var(--space-lg)}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:2fr 1fr 1fr;gap:var(--space-xl);margin-bottom:var(--space-lg)}.footer-brand[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:var(--space-md)}.footer-tagline[data-astro-cid-sz7xmlte]{font-size:1.125rem;font-weight:600;color:var(--color-text);margin:0;line-height:1.4}.footer-cta[data-astro-cid-sz7xmlte]{align-self:flex-start}.btn-sm[data-astro-cid-sz7xmlte]{padding:.4rem .85rem;font-size:.8125rem}.footer-heading[data-astro-cid-sz7xmlte]{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-secondary);margin-bottom:var(--space-sm)}.footer-nav[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte],.footer-social[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none;padding:0;margin:0}.footer-nav[data-astro-cid-sz7xmlte] li[data-astro-cid-sz7xmlte],.footer-social[data-astro-cid-sz7xmlte] li[data-astro-cid-sz7xmlte]{margin-bottom:var(--space-xs)}.footer-nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte],.footer-social[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--color-text-secondary);font-size:.875rem;transition:color var(--transition-fast)}.footer-nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover,.footer-social[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--color-accent)}.footer-bottom[data-astro-cid-sz7xmlte]{border-top:1px solid var(--color-border);padding-top:var(--space-md)}.footer-copy[data-astro-cid-sz7xmlte]{color:var(--color-text-secondary);font-size:.8125rem;margin:0}@media(max-width:600px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr;gap:var(--space-lg)}}