.fade-in{opacity:0;transition:opacity .5s,transform .5s;transform:translateY(18px)}.fade-in.visible{opacity:1;transform:translateY(0)}.feature-card{transition:transform .2s,box-shadow .2s}.feature-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px -8px #00000017}.timeline-dot{transition:transform .2s,background-color .2s}.timeline-row:hover .timeline-dot{background-color:#bfdbfe;transform:scale(1.25)}.social-btn{transition:border-color .15s,color .15s,background-color .15s}.social-btn:hover{color:#2563eb;background-color:#eff6ff;border-color:#93c5fd}