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.serif-accent{font-family:var(--font-display);color:var(--brand-strong);font-weight:800}.btn{justify-content:center;align-items:center;gap:var(--space-2);border-radius:var(--radius-xl);letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;cursor:pointer;-webkit-user-select:none;user-select:none;border:none;padding:.85rem 1.85rem;font-size:.9375rem;font-weight:700;transition:all .1s cubic-bezier(.34,1.56,.64,1);display:inline-flex}.btn:active{transform:translateY(4px)}.btn-primary{background:var(--brand);color:#fff;box-shadow:0 4px 0 var(--brand-shadow)}.btn-primary:hover{background:var(--brand);box-shadow:0 6px 0 var(--brand-shadow);transform:translateY(-2px)}.btn-primary:active{transform:translateY(4px);box-shadow:0 0 #0000}.btn-secondary{background:var(--color-card,#fff);color:var(--color-ink,#0f172a);border:2px solid var(--color-line,#e2e8f0);box-shadow:0 4px 0 var(--color-line-2,#cbd5e1)}.btn-secondary:hover{border-color:var(--color-line-2,#cbd5e1);box-shadow:0 6px 0 var(--color-line-2,#cbd5e1);background:var(--color-paper-2,#f8fafc);transform:translateY(-2px)}.btn-secondary:active{transform:translateY(4px);box-shadow:0 0 #0000}.card{border-radius:var(--radius-2xl);border:1.5px solid var(--dash-card-border,#e2e8f0);background:var(--dash-card-bg,#fff);transition:border-color .15s,box-shadow .15s;box-shadow:0 1px 3px #0f172a0a}.card:hover{border-color:var(--dash-card-border-hover,#cbd5e1);box-shadow:0 2px 6px #0f172a0f}.card:active{transform:none}[data-tactile],.tactile-3d{transition:all .12s cubic-bezier(.34,1.56,.64,1)}[data-tactile]:active,.tactile-3d:active{transform:translateY(3px)!important}.dot{border-radius:var(--radius-full);background:var(--color-brand);width:.375rem;height:.375rem;display:inline-block}.reveal{opacity:0;transition:opacity .6s var(--ease-out), transform .6s var(--ease-out);transform:translateY(24px)}.reveal.revealed{opacity:1;transform:translateY(0)}.graph-paper{background-image:linear-gradient(#e2e8f080 1px,#0000 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