.walkthrough-section{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(20rem,.88fr);gap:4.5rem;align-items:center;background:#f4f7fa}
.walkthrough-thumbnail{position:relative;display:block;overflow:hidden;border:1px solid #d7e0e9;border-radius:1.25rem;background:#071426;box-shadow:0 1.8rem 4rem #07142626;aspect-ratio:16/9}
.walkthrough-thumbnail img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .35s ease,filter .35s ease}
.walkthrough-thumbnail:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,#071426d9)}
.walkthrough-thumbnail:hover img,.walkthrough-thumbnail:focus-visible img{transform:scale(1.025);filter:brightness(.9)}
.walkthrough-thumbnail:focus-visible{outline:3px solid #68c4ff;outline-offset:4px}
.walkthrough-play{position:absolute;z-index:2;left:50%;top:50%;width:4.8rem;height:4.8rem;display:grid;place-items:center;padding-left:.25rem;border:4px solid #fff;border-radius:50%;background:#cf1f31;color:#fff;font-size:1.55rem;box-shadow:0 .8rem 2rem #07142666;transform:translate(-50%,-50%);transition:transform .25s ease}
.walkthrough-thumbnail:hover .walkthrough-play,.walkthrough-thumbnail:focus-visible .walkthrough-play{transform:translate(-50%,-50%) scale(1.08)}
.walkthrough-duration{position:absolute;z-index:2;left:1.35rem;bottom:1.15rem;color:#fff;font-size:.78rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.walkthrough-copy h2{margin:.75rem 0 1.2rem;font-size:clamp(2.7rem,4.2vw,4rem);line-height:1}
.walkthrough-copy>p:not(.kicker){margin:0;color:#607187;font-size:1.02rem;line-height:1.7}
.walkthrough-actions{display:flex;align-items:center;gap:1.4rem;margin:1.8rem 0 1.2rem}
.walkthrough-copy .section-plan-link{display:inline-flex;margin-top:.45rem}
@media(max-width:900px){.walkthrough-section{grid-template-columns:1fr;gap:2.8rem}.walkthrough-thumbnail{max-width:46rem;width:100%;margin:auto}.walkthrough-copy{max-width:46rem;margin:auto;text-align:center}.walkthrough-copy .kicker,.walkthrough-actions{justify-content:center}}
@media(max-width:600px){.walkthrough-actions{align-items:stretch;flex-direction:column}.walkthrough-actions .button{width:100%}.walkthrough-play{width:4rem;height:4rem}.walkthrough-duration{left:1rem;bottom:.85rem;font-size:.68rem}}