.pfa-section{padding:0 clamp(20px,4vw,32px) 80px}.pfa-card{background:var(--ds-surface-50);border:1px solid var(--ds-color-border);border-radius:18px;width:100%;padding:clamp(32px,4vw,52px)}.pfa-head{border-bottom:1px solid var(--ds-color-border);flex-direction:column;gap:12px;margin-bottom:36px;padding-bottom:28px;display:flex}.pfa-eyebrow{font-family:var(--ds-font-mono);letter-spacing:.18em;text-transform:uppercase;color:var(--ds-color-brand-blue-light);align-items:center;gap:10px;font-size:11px;display:inline-flex}.pfa-eyebrow:before{content:"";background:currentColor;border-radius:50%;width:6px;height:6px;box-shadow:0 0 8px}.pfa-pill{background:color-mix(in oklch, var(--ds-color-brand-blue-light) 18%, transparent);border:1px solid color-mix(in oklch, var(--ds-color-brand-blue-light) 40%, transparent);letter-spacing:.14em;border-radius:999px;padding:3px 9px;font-size:10px}.pfa-section h2{font-family:var(--ds-font-display-editorial);letter-spacing:-.024em;max-width:24ch;margin:0;font-size:clamp(32px,4vw,52px);font-weight:500;line-height:1.04}.pfa-section h2 em{color:var(--ds-color-brand-blue-light);font-style:italic}.pfa-lede{color:var(--ds-color-ink-secondary);max-width:64ch;margin:0;font-size:15px;font-style:italic;line-height:1.6}.pfa-cols{grid-template-columns:repeat(4,1fr);gap:22px 32px;display:grid}.pfa-col{flex-direction:column;gap:14px;display:flex}.pfa-num{font-family:var(--ds-font-display-editorial);color:var(--ds-color-brand-blue-light);letter-spacing:-.04em;font-size:44px;font-style:italic;font-weight:500;line-height:1}.pfa-marker{font-family:var(--ds-font-mono);letter-spacing:.18em;text-transform:uppercase;color:var(--ds-color-brand-blue-light);border-bottom:1px dashed color-mix(in oklch, var(--ds-color-brand-blue-light) 30%, transparent);padding-bottom:8px;font-size:10px}.pfa-col h3{font-family:var(--ds-font-display-editorial);letter-spacing:-.014em;color:var(--ds-color-ink-primary);margin:0;font-size:22px;font-weight:500;line-height:1.2}.pfa-col h3 em{color:var(--ds-color-brand-blue-light);font-style:italic}.pfa-col p{color:var(--ds-color-ink-secondary);margin:0;font-size:14px;line-height:1.62}.pfa-col p strong{color:var(--ds-color-ink-primary);font-weight:600}.pfa-col--lesson{background:linear-gradient(180deg, color-mix(in oklch, var(--ds-color-brand-blue) 12%, transparent), transparent);border-radius:10px;margin:-18px;padding:18px}.pfa-col--lesson .pfa-num{color:var(--ds-color-success)}.pfa-col--lesson .pfa-marker{color:var(--ds-color-success);border-color:color-mix(in oklch, var(--ds-color-success) 30%, transparent)}.pfa-col--lesson h3 em{color:var(--ds-color-success)}.pfa-footnote{border-top:1px dashed var(--ds-color-border);font-family:var(--ds-font-mono);letter-spacing:.1em;color:var(--ds-color-ink-muted);flex-wrap:wrap;gap:12px;margin-top:32px;padding-top:18px;font-size:10px;display:flex}.pfa-footnote span:before{content:"· ";color:var(--ds-color-brand-blue-light)}@media (max-width:1100px){.pfa-cols{grid-template-columns:repeat(2,1fr)}.pfa-col--lesson{margin:0}}@media (max-width:640px){.pfa-cols{grid-template-columns:1fr}}