:root{--background: oklch(.982 .004 250);--foreground: oklch(.24 .06 258);--card: #ffffff;--primary: oklch(.24 .06 258);--primary-foreground: oklch(.982 .004 250);--secondary: oklch(.965 .006 250);--muted: oklch(.945 .008 250);--muted-foreground: oklch(.5 .025 258);--accent: oklch(.52 .12 158);--destructive: oklch(.577 .245 27.325);--border: oklch(.905 .01 250);--ring: oklch(.24 .06 258 / 40%);--navy-900: var(--primary);--navy-700: oklch(.32 .07 258);--navy-500: oklch(.42 .07 258);--navy-100: var(--muted);--white: #ffffff;--surface: var(--secondary);--text: var(--foreground);--text-muted: var(--muted-foreground);--font-sans: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--radius: 12px;--radius-md: 8px;--radius-sm: 6px;--width-reading: 720px;--width-page: 1152px;--gutter: 20px;--header-height: 64px}@media(min-width:768px){:root{--gutter: 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var(--gutter)}.container--reading{max-width:var(--width-reading)}.eyebrow{display:inline-block;margin:0;font-family:var(--font-mono);font-size:.75rem;font-weight:400;line-height:1.4;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}.eyebrow--muted,.muted{color:var(--muted-foreground)}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.accent{color:var(--accent)}.section-title{font-size:1.875rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:var(--radius-sm);border:1px solid var(--primary);background:var(--primary);color:var(--primary-foreground);font:inherit;font-size:.875rem;font-weight:500;line-height:1.25;text-decoration:none;white-space:nowrap;cursor:pointer;transition:opacity .15s ease,background .15s ease}.btn:hover{opacity:.9}.btn 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