.not-found-page{width:100%;min-height:100vh;font-family:var(--font-inter), -apple-system, system-ui, sans-serif;color:var(--sac-text);background:radial-gradient(ellipse 60% 40% at 30% 0%, #d4af370f, transparent 70%), var(--sac-bg);padding:56px 24px 96px}.not-found-shell{max-width:640px;margin:64px auto 0}.not-found-stripe{background:linear-gradient(90deg, transparent, var(--sac-gold), transparent);opacity:.7;height:1px;margin-bottom:28px}.not-found-eyebrow{letter-spacing:.32em;color:var(--sac-gold);text-transform:uppercase;margin-bottom:14px;font-size:.85rem;font-weight:700}.not-found-title{letter-spacing:-.018em;margin:0 0 18px;font-size:clamp(2.4rem,6vw,3.6rem);font-weight:700;line-height:1.05}.not-found-title .accent{color:var(--sac-gold)}.not-found-lead{color:var(--sac-muted-2);max-width:540px;margin:0 0 32px;font-size:1.05rem;line-height:1.55}.not-found-cta-row{flex-wrap:wrap;gap:12px;margin-bottom:56px;display:flex}.not-found-cta-primary,.not-found-cta-secondary{font-family:var(--font-inter);letter-spacing:.04em;border-radius:10px;align-items:center;padding:12px 20px;font-size:.95rem;font-weight:600;text-decoration:none;transition:transform .18s,border-color .18s,background .18s;display:inline-flex}.not-found-cta-primary{background:var(--sac-gold);color:#06080d;box-shadow:0 14px 32px #d4af3738}.not-found-cta-primary:hover{transform:translateY(-2px)}.not-found-cta-secondary{color:var(--sac-text);border:1px solid var(--sac-border-strong);background:0 0}.not-found-cta-secondary:hover{border-color:var(--sac-gold);color:var(--sac-gold);transform:translateY(-2px)}.not-found-suggestion{border-top:1px solid var(--sac-border);padding-top:32px}.not-found-suggestion-tag{letter-spacing:.22em;color:var(--sac-muted);text-transform:uppercase;margin-bottom:14px;font-size:.78rem;font-weight:700}.not-found-suggestion-card{border:1px solid var(--sac-border-strong);background:var(--sac-card);color:inherit;border-radius:12px;padding:22px 24px;text-decoration:none;transition:transform .18s,border-color .18s,background .18s;display:block}.not-found-suggestion-card:hover{border-color:var(--sac-gold);background:var(--sac-card-hover);transform:translateY(-2px)}.not-found-suggestion-meta{letter-spacing:.18em;text-transform:uppercase;gap:12px;margin-bottom:8px;font-size:.72rem;font-weight:700;display:flex}.not-found-suggestion-chapter{color:var(--sac-gold)}.not-found-suggestion-level{color:var(--sac-muted)}.not-found-suggestion-title{font-family:var(--font-inter);letter-spacing:-.012em;margin:0 0 8px;font-size:1.4rem;font-weight:700;line-height:1.2}.not-found-suggestion-summary{color:var(--sac-muted-2);margin:0 0 12px;font-size:.92rem;line-height:1.5}.not-found-suggestion-cta{letter-spacing:.06em;color:var(--sac-gold);font-size:.85rem;font-weight:600}@media (max-width:600px){.not-found-page{padding:36px 18px 72px}.not-found-shell{margin-top:24px}.not-found-cta-row{gap:10px;margin-bottom:40px}.not-found-cta-primary,.not-found-cta-secondary{justify-content:center;width:100%}.not-found-suggestion-card{padding:18px}}