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url("https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400;1,500&family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap");.day41{--d41-bg:#ffffff;--d41-surface:#f5f6f8;--d41-card:#ecedf2;--d41-border:#d4d5de;--d41-border-strong:#b8b9c8;--d41-text:#0f0f1a;--d41-muted:#6b6b7b;--d41-dim:#9e9eb0;--d41-accent:#6366f1;--d41-accent-light:#4f46e5;--d41-accent-rgb:99,102,241;--d41-t1:#c4422b;--d41-t1-bg:rgba(196,66,43,0.08);--d41-t2:#b8860b;--d41-t2-bg:rgba(184,134,11,0.08);--d41-t3:#2d6a4f;--d41-t3-bg:rgba(45,106,79,0.08);--d41-font-serif:"Source Serif 4",Georgia,serif;--d41-font-sans:"Inter",system-ui,-apple-system,sans-serif;--d41-font-mono:"JetBrains Mono","SF Mono","Fira Code",monospace;--d41-radius-sm:4px;--d41-radius-md:8px;--d41-radius-lg:12px}:is(.dark) 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20px}.day41 .d41-copy-btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--d41-font-mono);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1px;padding:10px 22px;border-radius:var(--d41-radius-sm);border:1px solid var(--d41-border-strong);background:var(--d41-surface);color:var(--d41-muted);cursor:pointer;transition:all .2s}.day41 .d41-copy-btn:hover{border-color:var(--d41-accent);color:var(--d41-accent);background:rgba(var(--d41-accent-rgb),.06)}.day41 .d41-copy-btn.copied{border-color:var(--d41-t3);color:var(--d41-t3);background:var(--d41-t3-bg)}.day41 .d41-source-bar{display:flex;align-items:center;justify-content:center;gap:12px;margin:24px 0 16px}.day41 .d41-source-bar span{font-family:var(--d41-font-mono);font-size:10px;color:var(--d41-muted);text-align:center;max-width:480px;line-height:1.5}.day41 .d41-newsletter{background:var(--d41-card);border:1px solid var(--d41-border);border-radius:var(--d41-radius-md);padding:1.8rem;margin:2rem 0}.day41 .d41-newsletter-title{font-family:var(--d41-font-sans);font-weight:700;font-size:1rem;margin-bottom:.4rem;margin-top:0;color:var(--d41-text)}.day41 .d41-newsletter-sub{font-size:.85rem;color:var(--d41-muted);margin-bottom:1rem;margin-top:0;line-height:1.55}.day41 .d41-newsletter-form{display:flex;gap:.6rem}.day41 .d41-newsletter-input{flex:1;background:var(--d41-bg);border:1px solid var(--d41-border);border-radius:var(--d41-radius-sm);padding:.55rem .9rem;font-family:var(--d41-font-sans);font-size:.85rem;color:var(--d41-text);outline:none;transition:border-color .15s}.day41 .d41-newsletter-input:focus{border-color:var(--d41-accent)}.day41 .d41-newsletter-input::placeholder{color:var(--d41-muted)}.day41 .d41-newsletter-btn{font-family:var(--d41-font-sans);font-size:.82rem;font-weight:600;padding:.55rem 1.2rem;border:1px solid var(--d41-accent);border-radius:var(--d41-radius-sm);background:var(--d41-accent);color:#fff;cursor:pointer;transition:all .15s;white-space:nowrap}.day41 .d41-newsletter-btn:hover:not(:disabled){opacity:.88}.day41 .d41-newsletter-btn:disabled{opacity:.6;cursor:not-allowed}.day41 .d41-newsletter-msg{margin-top:.7rem;font-size:.8rem;margin-bottom:0}.day41 .d41-newsletter-msg.success{color:var(--d41-t3)}.day41 .d41-newsletter-msg.error{color:#ef4444}.day41 .d41-newsletter-msg.exists{color:var(--d41-t2)}.day41 .d41-footer{display:flex;justify-content:space-between;align-items:center;padding-top:20px;border-top:1px solid var(--d41-border);margin-top:8px}.day41 .d41-footer-l{font-family:var(--d41-font-sans);font-size:12px;font-weight:600;color:var(--d41-text)}.day41 .d41-footer-r{font-family:var(--d41-font-mono);font-size:10px;color:var(--d41-muted)}@keyframes d41spin{to{transform:rotate(1turn)}}.day41 .d41-asterisk{position:absolute;top:40px;right:48px;width:56px;height:56px;opacity:.06;animation:d41spin 120s linear infinite;pointer-events:none}.day41 .d41-asterisk path{fill:var(--d41-text)}@media (max-width:768px){.day41 .d41-page{padding:40px 24px 48px}.day41 .d41-stat-strip{margin:32px -24px;padding:16px 24px;flex-wrap:wrap;gap:12px}.day41 .d41-stat{flex:1 1 calc(50% - 6px);border-right:none;border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:10px}.day41 .d41-stat:last-child,.day41 .d41-stat:nth-child(3){border-bottom:none}.day41 .d41-quote-band{margin:32px -24px;padding:22px 24px}.day41 .d41-quote-band p{font-size:18px}.day41 .d41-hero{grid-template-columns:80px 1fr}.day41 .d41-hero-big-num{font-size:100px}.day41 .d41-stair.s2{padding-left:20px}.day41 .d41-stair.s3{padding-left:40px}.day41 .d41-asterisk{right:24px;width:40px;height:40px}.day41 .d41-newsletter-form{flex-direction:column}.day41 .d41-newsletter-btn{width:100%}}@media (max-width:480px){.day41 .d41-page{padding:28px 16px 36px}.day41 .d41-hero{grid-template-columns:1fr}.day41 .d41-hero-big-num{display:none}.day41 .d41-stat-strip{margin:24px -16px;padding:14px 16px}.day41 .d41-stat-num{font-size:28px}.day41 .d41-quote-band{margin:24px -16px;padding:18px 16px}.day41 .d41-quote-band p{font-size:16px}.day41 .d41-stair{grid-template-columns:1fr}.day41 .d41-stair.s1,.day41 .d41-stair.s2,.day41 .d41-stair.s3{padding-left:0}.day41 .d41-tier-head{flex-wrap:wrap;gap:8px}.day41 .d41-tier-name{font-size:14px}.day41 .d41-hero h1{font-size:26px}.day41 .d41-footer{flex-direction:column;gap:6px;text-align:center}.day41 .d41-profile{margin-bottom:28px}.day41 .d41-tier{margin-bottom:32px}.day41 .d41-newsletter{padding:1.2rem}}