.timeline-3d{overflow:hidden}.timeline-3d__pin{padding:var(--section-spacing,96px) 0;position:relative}.timeline-3d__intro{margin:0 auto 48px;max-width:680px;text-align:center}.timeline-3d__heading{font-size:clamp(1.9rem,3.2vw,2.8rem)}.timeline-3d__subheading{color:var(--text-muted)}.timeline-3d__subheading p:last-child{margin-bottom:0}.timeline-3d__viewport{position:relative}.timeline-3d__track{display:flex;gap:24px;list-style:none;margin:0;overflow-x:auto;padding:8px 24px 24px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}.timeline-3d__card{background:var(--surface,#fff);border:1px solid var(--border-color);border-radius:18px;box-shadow:0 30px 60px -36px rgba(23,33,29,.45);flex:0 0 min(360px,82vw);overflow:hidden;scroll-snap-align:center}.timeline-3d__media{aspect-ratio:4/3;background:var(--surface-alt);margin:0;position:relative}.timeline-3d__media img{display:block;height:100%;object-fit:cover;width:100%}.timeline-3d__media-placeholder{background:radial-gradient(circle at 30% 30%,color-mix(in srgb,var(--primary-color) 35%,transparent),transparent 60%),radial-gradient(circle at 75% 70%,color-mix(in srgb,var(--accent-color) 40%,transparent),transparent 55%),var(--surface-alt);inset:0;position:absolute}.timeline-3d__badge{background:var(--secondary-color);border-radius:999px;color:#fff;font-family:var(--heading-font);font-size:15px;font-weight:600;left:16px;padding:6px 12px;position:absolute;top:16px}.timeline-3d__body{padding:22px 24px 26px}.timeline-3d__title{font-size:22px;margin-bottom:8px}.timeline-3d__text{color:var(--text-muted);margin:0}.timeline-3d__rail,.timeline-3d__year-bg{display:none}.timeline-3d.is-enhanced .timeline-3d__pin{display:flex;flex-direction:column;height:100vh;min-height:680px;padding:96px 0 40px}.timeline-3d.is-enhanced .timeline-3d__intro{margin-bottom:16px}.timeline-3d.is-enhanced .timeline-3d__viewport{display:flex;flex:1;flex-direction:column;justify-content:center;perspective:1400px}.timeline-3d.is-enhanced .timeline-3d__track{gap:40px;overflow:visible;padding:0;scroll-snap-type:none;transform-style:preserve-3d;will-change:transform}.timeline-3d.is-enhanced .timeline-3d__card{flex-basis:min(400px,30vw);transform-style:preserve-3d;will-change:transform,opacity}.timeline-3d.is-enhanced .timeline-3d__year-bg{color:transparent;display:block;font-family:var(--heading-font);font-size:clamp(9rem,22vw,20rem);font-weight:600;left:50%;line-height:1;position:absolute;top:50%;transform:translate(-50%,-54%);-webkit-text-stroke:1.5px color-mix(in srgb,var(--primary-color) 28%,transparent);pointer-events:none;white-space:nowrap;z-index:0}.timeline-3d.is-enhanced .timeline-3d__rail{display:block;margin-top:40px}.timeline-3d__rail-line{background:var(--border-color);border-radius:2px;display:block;height:2px;position:relative}.timeline-3d__rail-fill{background:var(--accent-color);inset:0;position:absolute;transform:scaleX(0);transform-origin:left center}.timeline-3d__rail-years{display:flex;justify-content:space-between;margin-top:14px}.timeline-3d__rail-year{color:var(--text-muted);font-size:13px;font-weight:700;letter-spacing:.06em;transition:color .3s ease,transform .3s ease}.timeline-3d__rail-year.is-active{color:var(--primary-color);transform:scale(1.15)}.timeline-3d.is-enhanced .timeline-3d__track{position:relative;z-index:1}.timeline-3d.is-enhanced .timeline-3d__rail{width:100%}