Guide a reader from first attention to a clear action.
<div class="aida"><div><b>A</b><span>Too many tabs?</span></div><div><b>I</b><span>Keep your notes in one view.</span></div><div><b>D</b><span>Find the right idea on demand.</span></div><div><b>A</b><span>Start your first board →</span></div></div>.aida{width:84%;max-width:600px;font-family:sans-serif}.aida div{display:flex;align-items:center;gap:clamp(8px,2vmin,20px);padding:clamp(5px,1.4vmin,13px);margin:clamp(3px,.8vmin,8px) 0;border:1px solid var(--line);background:var(--surface);animation:step 8s infinite}.aida div:nth-child(2){animation-delay:2s}.aida div:nth-child(3){animation-delay:4s}.aida div:nth-child(4){animation-delay:6s}.aida b{display:grid;place-items:center;width:clamp(20px,4.8vmin,42px);height:clamp(20px,4.8vmin,42px);flex:none;background:var(--accent);color:white;font:900 clamp(11px,max(2.5vmin,1vw),24px) sans-serif}.aida span{font:800 clamp(10px,max(2.6vmin,1vw),24px)/1.15 sans-serif}@keyframes step{0%,20%{transform:translateX(6px);box-shadow:0 4px 0 var(--accent);opacity:1}30%,100%{transform:none;box-shadow:none;opacity:.45}}@media(min-width:700px){body > *{transform:scale(1.4)}.lines p,.branches div,.cards div{cursor:pointer}}AIDA checks Attention, Interest, Desire and Action. It is a planning frame, not a claim that every person moves through four fixed stages.
The demo follows four lines with a moving highlight. Use the frame to see whether a campaign wins attention but forgets the offer or next action.
Use it to review the sequence of a short sales page or email.