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a:hover{color:var(--text)}.footer-copy{font-size:.8125rem;color:var(--text-muted)}.fade-up{opacity:0;transform:translateY(20px);transition:opacity .55s ease,transform .55s ease}.fade-up.visible{opacity:1;transform:translateY(0)}.checklist-page{min-height:100vh;display:flex;flex-direction:column}.checklist-nav{height:var(--nav-h);border-bottom:1px solid var(--border);display:flex;align-items:center}.checklist-nav .container{display:flex;align-items:center;justify-content:space-between;width:100%}.checklist-nav a{font-size:.875rem;color:var(--text-muted);display:flex;align-items:center;gap:.375rem;transition:color var(--ease)}.checklist-nav a:hover{color:var(--text)}.checklist-main{flex:1;display:flex;align-items:center;padding-block:4rem}.checklist-main #app{width:100%}@media(max-width:768px){section{padding-block:4rem}.diag-inner{grid-template-columns:1fr;gap:2.5rem}.hero-actions,.footer-inner{flex-direction:column;align-items:flex-start}}