.timeline-container{max-width:800px;margin:4rem auto;padding:2rem 0;position:relative}.timeline-line{background:var(--border-color,#333);width:2px;position:absolute;top:0;bottom:0;left:50%;transform:translate(-50%)}.timeline-item{opacity:0;justify-content:center;padding-bottom:3rem;animation:.6s ease-out forwards fadeInTimeline;display:flex;position:relative}@keyframes fadeInTimeline{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.timeline-item:first-child{animation-delay:.1s}.timeline-item:nth-child(2){animation-delay:.3s}.timeline-item:nth-child(3){animation-delay:.5s}.timeline-item:nth-child(4){animation-delay:.7s}.timeline-dot{background:var(--accent-color,#fff);z-index:2;border:4px solid #000;border-radius:50%;width:16px;height:16px;position:absolute;top:0;left:50%;transform:translate(-50%)}.timeline-content{background:var(--card-bg,#111);border:1px solid var(--border-color,#222);border-radius:12px;width:45%;padding:1.5rem;position:relative}.timeline-item:nth-child(odd){flex-direction:row-reverse}@media (max-width:768px){.timeline-line,.timeline-dot{left:20px}.timeline-item{flex-direction:row-reverse;justify-content:flex-start;padding-left:50px}.timeline-content{width:100%}}.timeline-year{color:var(--accent-color,#888);margin-bottom:.5rem;font-size:.9rem;font-weight:700;display:block}.timeline-title{color:#fff;margin-bottom:.5rem;font-size:1.2rem}.timeline-text{color:#ccc;font-size:.95rem;line-height:1.5}