.arc-hero{padding:clamp(8rem,20vh,12rem) var(--gutter) 3rem;position:relative}.arc-hero__title{font-size:clamp(2.4rem,11.5vw,12rem);line-height:.85;margin:1rem 0 1.6rem;overflow:hidden}.arc-hero__title .char{display:inline-block}.arc-hero__title .word{white-space:nowrap}.arc-hero__lede{max-width:34rem;color:var(--fog);margin:0 0 2.6rem;font-size:1.05rem}.arc-hero__lede .serif{color:var(--paper);font-size:1.5rem}.arc-tools{display:flex;flex-wrap:wrap;gap:1rem 2rem;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:1.4rem}.arc-filters,.arc-view{display:flex;flex-wrap:wrap;gap:.5rem}.arc-filters button,.arc-view button{font-family:var(--f-display);font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;padding:.65rem .9rem;border:1px solid var(--line);color:var(--fog);transition:color .3s,border-color .3s,background .3s}.arc-filters button:hover,.arc-view button:hover{color:var(--paper);border-color:var(--fog)}.arc-filters button[aria-pressed=true],.arc-view button[aria-pressed=true]{background:var(--red-ink);border-color:var(--red-ink);color:var(--white)}.arc-filters sup{font-size:.5rem;margin-left:.3rem;opacity:.7}.arc-filters button[aria-pressed=true] sup{opacity:1}.arc{padding:2rem var(--gutter) 8rem}.arc-folders{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,19rem),1fr));gap:5.5rem 2.2rem;padding-top:4rem}.folder{position:relative;display:block;aspect-ratio:5 / 4;color:var(--paper)}.folder__back{position:absolute;inset:0;background:#232327;clip-path:polygon(0 7%,34% 7%,39% 0,100% 0,100% 100%,0 100%)}.folder__tab{position:absolute;left:.9rem;top:.15rem;font-family:var(--f-display);font-size:.5rem;letter-spacing:.2em;color:var(--ash);z-index:1}.folder__sheets{position:absolute;inset:9% 8% 10%}.folder__sheet{position:absolute;inset:0;transform-origin:50% 100%;transition:transform .8s var(--ease-out);box-shadow:0 1rem 2rem -1rem #000000b3}.folder__sheet .pic{width:100%;height:100%}.folder__sheet:nth-child(1){transform:translateY(-6%) rotate(-3deg)}.folder__sheet:nth-child(2){transform:translateY(-10%) rotate(2deg)}.folder__sheet:nth-child(3){transform:translateY(-14%)}.folder__front{position:absolute;left:0;right:0;bottom:0;height:46%;z-index:2;background:linear-gradient(180deg,#2c2c31,#1b1b1e);border-top:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;justify-content:flex-end;gap:.5rem;padding:1.1rem 1.1rem 1rem;transform-origin:50% 100%;transition:transform .8s var(--ease-out)}.folder__title{font-family:var(--f-display);font-size:clamp(.82rem,1.2vw,1rem);letter-spacing:.05em;text-transform:uppercase;line-height:1.25}.folder__meta{display:flex;justify-content:space-between;gap:.6rem;font-family:var(--f-display);font-size:.52rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ash)}.folder__meta b{color:var(--red);font-weight:400}.folder__label{position:absolute;right:1.1rem;top:1rem;width:2.2rem;height:.9rem;border:1px solid var(--red)}.arc-folders>li{position:relative;z-index:0}.arc-folders>li:hover,.arc-folders>li:focus-within{z-index:2}.folder.is-open .folder__sheet:nth-child(1),.folder:hover .folder__sheet:nth-child(1),.folder:focus-visible .folder__sheet:nth-child(1){transform:translate(-16%,-30%) rotate(-9deg)}.folder.is-open .folder__sheet:nth-child(2),.folder:hover .folder__sheet:nth-child(2),.folder:focus-visible .folder__sheet:nth-child(2){transform:translate(15%,-28%) rotate(8deg)}.folder.is-open .folder__sheet:nth-child(3),.folder:hover .folder__sheet:nth-child(3),.folder:focus-visible .folder__sheet:nth-child(3){transform:translateY(-38%)}.folder:hover .folder__label{background:var(--red)}.folder:hover .folder__front,.folder:focus-visible .folder__front{transform:perspective(900px) rotateX(-14deg)}.folder:hover .folder__title{color:var(--red)}.arc-index{list-style:none;margin:0;padding:2rem 0 0}.arc-row{display:grid;grid-template-columns:4rem minmax(0,1fr) 12rem 7rem 5rem;gap:1.2rem;align-items:baseline;padding:1.3rem 0;border-bottom:1px solid var(--line);transition:padding .5s var(--ease-out),color .3s}.arc-row:hover{padding-left:1rem;color:var(--red)}.arc-row__n,.arc-row__k,.arc-row__d,.arc-row__c{font-family:var(--f-display);font-size:.56rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ash)}.arc-row__t{font-family:var(--f-display);font-size:clamp(1rem,2.4vw,2rem);text-transform:uppercase;line-height:1.1}@media(max-width:52rem){.arc-row{grid-template-columns:2.6rem minmax(0,1fr) 4rem}.arc-row__k,.arc-row__d{display:none}}.arc-peek{position:fixed;left:0;top:0;z-index:40;width:15rem;pointer-events:none;opacity:0;transform:translate(-50%,-50%) scale(.85);transition:opacity .3s,transform .5s var(--ease-out)}.arc-peek.is-on{opacity:1;transform:translate(-50%,-50%) scale(1)}.arc-peek .pic{aspect-ratio:4 / 5}@media(pointer:coarse){.arc-peek{display:none}}.arc-empty{color:var(--fog);padding:4rem 0}@media(max-width:40rem){.folder__meta,.folder__tab,.arc-row__n,.arc-row__c{font-size:.62rem}}