:root{--blue-0: oklch(.992 .004 245);--blue-25: oklch(.984 .006 245);--blue-50: oklch(.965 .01 245);--blue-100: oklch(.935 .014 245);--blue-200: oklch(.88 .02 245);--blue-300: oklch(.8 .028 245);--blue-400: oklch(.66 .038 245);--blue-500: oklch(.56 .044 245);--blue-600: oklch(.47 .046 245);--blue-700: oklch(.38 .048 245);--blue-800: oklch(.3 .05 245);--blue-900: oklch(.245 .048 245);--blue-950: oklch(.175 .046 245);--blue-1000: oklch(.12 .044 245);--accent: oklch(.48 .13 237.5);--accent-deep: oklch(.42 .14 237.5);--error: oklch(.48 .13 25);--error-line: oklch(.48 .13 25 / .45);--error-tint: oklch(.48 .13 25 / .07);--bg: var(--blue-0);--surface: var(--blue-25);--neutral: var(--blue-50);--ink: var(--blue-900);--muted: var(--blue-600);--on-accent: var(--blue-0);--bg-dark: var(--blue-950);--ink-on-dark: var(--blue-0);--muted-on-dark: var(--blue-300);--accent-on-dark: oklch(.72 .12 237.5);--header-bg: oklch(.992 .004 245 / .85);--line: oklch(.245 .048 245 / .14);--line-strong: oklch(.245 .048 245 / .32);--grid-line: oklch(.245 .048 245 / .06);--accent-tint: oklch(.48 .13 237.5 / .08);--accent-line: oklch(.48 .13 237.5 / .4);--line-on-dark: oklch(.992 .004 245 / .12);--line-on-dark-strong: oklch(.992 .004 245 / .18);--font-display: "Atkinson Hyperlegible", system-ui, sans-serif;--font-head: "Atkinson Hyperlegible", system-ui, sans-serif;--font-body: "Atkinson Hyperlegible", system-ui, sans-serif;--font-mono: "Atkinson Hyperlegible Mono", ui-monospace, "SFMono-Regular", monospace;--fs-display: clamp(2.75rem, 1.6rem + 5vw, 5.5rem);--fs-h2: clamp(1.75rem, 1.2rem + 2.4vw, 2.6rem);--fs-h3: clamp(1.25rem, 1.05rem + .9vw, 1.6rem);--fs-lead: clamp(1.06rem, 1rem + .4vw, 1.3rem);--fs-body: 1rem;--fs-sm: .875rem;--fs-label: .72rem;--sp-xs: .25rem;--sp-sm: .5rem;--sp-md: 1rem;--sp-lg: 2rem;--sp-xl: 4rem;--sp-2xl: clamp(4rem, 2.5rem + 6vw, 8rem);--r-sm: 0px;--r-md: 0px;--r-lg: 2px;--measure: 68ch;--container: 90rem;--gutter: clamp(1.25rem, .5rem + 3vw, 3rem);--ease-out-quart: 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transparent;border-radius:var(--r-md);cursor:pointer;transition:background var(--dur-fast) var(--ease-out-quart),color var(--dur-fast) var(--ease-out-quart),border-color var(--dur-fast) var(--ease-out-quart)}.btn--primary{background:var(--accent);color:var(--on-accent)}.btn--primary:hover{background:var(--accent-deep);color:var(--on-accent)}.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}.btn--ghost:hover{color:var(--ink);border-color:var(--ink);background:var(--accent-tint)}[data-reveal]{opacity:1}@media(prefers-reduced-motion:no-preference){[data-reveal].reveal-armed{opacity:0;transform:translateY(18px);transition:opacity var(--dur-slow) var(--ease-out-expo),transform var(--dur-slow) 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