/* 03 — "proven performance": sticky ticker + tray + stacking cards (3140px) */
.perf { position: relative; height: 3140px; background: #fff; }
.perf-text { position: sticky; top: 0; height: 900px; z-index: 1; overflow: hidden; }
.perf-ticker { position: absolute; left: 0; right: 0; top: 330px; height: 240px; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, rgba(0,0,0,.25), #000 14%, #000 86%, rgba(0,0,0,.25)); mask-image: linear-gradient(90deg, rgba(0,0,0,.25), #000 14%, #000 86%, rgba(0,0,0,.25)); }
.perf-track { display: flex; width: max-content; animation: tick 144s linear infinite; }
.perf-track span { font-family: var(--display); font-weight: 900; text-transform: uppercase; font-size: 224px; line-height: 240px; letter-spacing: -11.2px; color: var(--ink-2); white-space: nowrap; padding-right: 10px; }
@keyframes tick { to { transform: translateX(-33.333%); } }
.perf-tray { position: sticky; top: 0; height: 900px; width: 720px; margin: 0 auto; z-index: 3; pointer-events: none; background: linear-gradient(rgba(255, 255, 255, 0) 70%, #fff 75%); }
.tray { position: absolute; left: 0; right: 0; top: 210px; height: 480px; border-radius: 80px; background: linear-gradient(rgba(150, 150, 255, 0) 59.9%, #9696ff 100%); box-shadow: inset 0 -.8px .8px -.6px rgba(255,255,255,.42), inset 0 -1.9px 1.9px -1.2px rgba(255,255,255,.41), inset 0 -3.6px 3.6px -1.8px rgba(255,255,255,.39), inset 0 -8px 8px -2.4px rgba(255,255,255,.35), inset 0 -18px 18px -3px rgba(255,255,255,.25); overflow: hidden; }
.perf-cards { position: relative; height: 1340px; z-index: 2; }
.perf-col { position: relative; width: 468px; height: 1120px; margin: 0 auto; }
.stat-slot { position: absolute; left: 0; width: 468px; height: 1120px; pointer-events: none; }
.stat-slot:nth-child(1) { top: 0; } .stat-slot:nth-child(2) { top: 400px; height: 720px; } .stat-slot:nth-child(3) { top: 800px; height: 320px; }
.stat { position: sticky; top: var(--top); height: 320px; border-radius: 48px; padding: 32px 36px; background: #fff var(--bg) center / cover no-repeat; box-shadow: 0 4px 8px rgba(8, 7, 49, .06), 0 14px 14px rgba(8, 7, 49, .05); transform: rotate(var(--rot)); pointer-events: auto; display: flex; flex-direction: column; }
.stat-n { position: absolute; right: 36px; top: 28px; font-size: 14px; line-height: 21px; color: var(--grey); }
.stat-v { font-size: 56px; line-height: 67.2px; font-weight: 400; letter-spacing: -0.03em; color: var(--ink); margin-top: 8px; }
.stat h3 { font-size: 20px; line-height: 30px; font-weight: 500; letter-spacing: -0.4px; color: var(--ink); }
.stat-d { margin-top: auto; font-size: 16px; line-height: 24px; color: var(--grey); max-width: 360px; }
@media (max-width: 900px) {
  .perf { height: 2500px; }
  .perf-track span { font-size: 120px; line-height: 130px; letter-spacing: -5px; }
  .perf-ticker { top: 300px; height: 130px; }
  .perf-tray { width: calc(100% - 32px); }
  .tray { border-radius: 48px; height: 380px; top: 240px; }
  .perf-cards { height: 700px; }
  .perf-col, .stat-slot { width: 320px; }
  .stat { height: 280px; padding: 26px; border-radius: 36px; }
  .stat-v { font-size: 44px; line-height: 52px; }
}