.wall-intro{max-width:650px;font-family:var(--body);font-size:clamp(1.15rem,2.2vw,1.5rem);font-weight:500;line-height:1.5}.wall .grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem;margin-top:2.4rem;display:grid}.card{border:1px solid var(--line);background:var(--panel);aspect-ratio:1/1.08;flex-direction:column;justify-content:flex-end;padding:1.2rem;transition:transform .25s;display:flex;position:relative;overflow:hidden}.card:before{content:attr(data-n);letter-spacing:.16em;color:var(--muted);font-size:.72rem;position:absolute;top:.9rem;right:1rem}.card h4,.card .card-title{font-family:var(--display);text-transform:uppercase;letter-spacing:.03em;font-size:1.5rem;display:block}.card small{color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin-top:.35rem;font-size:.7rem}.card:after{content:"";background:var(--sky);transform-origin:0;height:3px;transition:transform .3s;position:absolute;inset:auto 0 0;transform:scaleX(0)}.card:hover{transform:translateY(-4px);box-shadow:0 10px 30px #0f234514}.flip{perspective:1200px;cursor:pointer;font:inherit;color:inherit;text-align:left;appearance:none;background:0 0;border:none;width:100%;padding:0;overflow:visible}.flip:focus-visible{outline:2px solid var(--sky);outline-offset:3px}.flip:active{transform:translateY(1px)}.flip .inner{width:100%;height:100%;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.3,.7,.3,1);position:absolute;inset:0}.flip.flipped .inner{transform:rotateY(180deg)}.flip .face{backface-visibility:hidden;border:1px solid var(--line);flex-direction:column;justify-content:flex-end;padding:1.2rem;display:flex;position:absolute;inset:0}.flip .front{background:var(--panel)}.flip .back{background:var(--paper);color:#fff;justify-content:center;padding:3rem 1.25rem 1.5rem;transform:rotateY(180deg)}.flip .back h4,.flip .back .card-title{font-family:var(--display);text-transform:uppercase;color:var(--sky);margin-bottom:.6rem;font-size:1.3rem}.flip .back .card-description{color:#ffffffe0;font-size:.86rem;line-height:1.55}.flip .hint{letter-spacing:.16em;text-transform:uppercase;color:var(--muted);background:#ffffffc7;border-radius:2px;padding:.15rem .5rem;font-size:.65rem;position:absolute;top:.9rem;left:1rem}.flip .back-cue{letter-spacing:.16em;text-transform:uppercase;color:#fff;border:1px solid #ffffff59;border-radius:2px;padding:.15rem .5rem;font-size:.65rem;position:absolute;top:.9rem;left:1rem}.card.photo{background-image:linear-gradient(180deg, #fff0 42%, #ffffffd1 72%, #fffffff2 100%), var(--img);background-position:50%;background-size:cover}.card.photo:before{background:#ffffffc7;border-radius:2px;padding:.15rem .5rem}.card:hover:after{transform:scaleX(1)}@media (hover:hover) and (pointer:fine){.flip:hover{transform:translateY(-4px)}}@media (width<=960px){.wall .grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=560px){.wall .grid{grid-template-columns:minmax(0,1fr)}.wall .card{aspect-ratio:auto;min-height:22rem}}@media (prefers-reduced-motion:reduce){.flip .inner{transition:none}}