/* ARS case study v3. All selectors namespaced .ars- */
.ars{--a-void:#0A0F0D;--a-night:#0D2B1F;--a-mint:#39E75F;--a-cyan:#39E7D4;--a-yellow:#E8E52A;--a-violet:#8B39E7;--a-bone:#ECE6D8;--a-mute:#A9B3AC}
.ars-dark{background:var(--a-void);color:var(--a-bone)}
.ars-dark h1,.ars-dark h2,.ars-dark h3{color:var(--a-bone)}
.ars-dark .label{color:var(--a-mint)}
.ars-dark a{color:var(--a-cyan)}
.ars-dark :focus-visible{outline-color:var(--a-mint)}
.ars-mono{font:500 12px/1.4 ui-monospace,"SFMono-Regular",Menlo,monospace;letter-spacing:.08em;text-transform:uppercase}
.ars-sec{padding:clamp(72px,9vw,128px) 0}
.ars-sec-tight{padding:clamp(48px,6vw,80px) 0}
.ars-sh{max-width:760px;margin-bottom:clamp(28px,4vw,48px)}
.ars-sh p{margin-top:16px;color:var(--text2);font-size:clamp(17px,1.3vw,19px)}
.ars-dark .ars-sh p{color:var(--a-mute)}
/* hero */
.ars-hero{padding:clamp(28px,4vw,48px) 0 clamp(64px,8vw,112px);overflow:hidden}
.ars-hero .crumbs a,.ars-hero .crumbs li{color:var(--a-mute)}
.ars-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(32px,5vw,72px);align-items:center;margin-top:clamp(24px,4vw,48px)}
.ars-hero h1{font-size:clamp(40px,5.6vw,78px)}
.ars-hero h1 em{color:var(--a-mint);font-style:italic}
.ars-hero .lead{color:var(--a-mute);margin-top:22px}
.ars-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 28px;margin:32px 0 0;padding-top:24px;border-top:1px solid rgba(236,230,216,.16)}
.ars-meta dt{color:var(--a-mint)}
.ars-meta dd{margin:4px 0 0;font-size:15px}
.ars-light{position:relative}
.ars-light-frame{position:relative;aspect-ratio:4/3;border-radius:18px;overflow:hidden;background:#000;box-shadow:0 60px 120px -60px rgba(57,231,95,.35)}
.ars-light-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .9s var(--ease)}
.ars-light-frame img.on{opacity:1}
.ars-light-ctl{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.ars-light-ctl button{min-height:44px;padding:0 16px;border-radius:999px;border:1px solid rgba(236,230,216,.28);background:transparent;color:var(--a-bone);font:500 14px var(--text);cursor:pointer;display:inline-flex;align-items:center;gap:8px}
.ars-light-ctl button i{width:12px;height:12px;border-radius:50%;display:inline-block}
.ars-light-ctl button[aria-pressed="true"]{background:var(--a-bone);color:var(--a-void);border-color:var(--a-bone)}
.ars-cap{font-size:14px;color:var(--a-mute);margin-top:12px}
.ars-cap-l{font-size:14px;color:var(--text2);margin-top:12px}
/* reframe */
.ars-reframe{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(28px,5vw,72px)}
.ars-ask{border-left:3px solid var(--copper);padding:6px 0 6px 22px}
.ars-ask p{font-family:var(--display);font-style:italic;font-size:clamp(26px,2.6vw,36px);line-height:1.15;margin:8px 0 0}
.ars-ask small{display:block;margin-top:14px;color:var(--text2);font-size:14px}
.ars-four{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);border-radius:14px;overflow:hidden}
.ars-four>div{background:var(--cream);padding:24px}
.ars-four b{display:block;font-family:var(--display);font-style:italic;font-weight:500;font-size:24px;line-height:1.15;margin:6px 0 8px}
.ars-four p{margin:0;font-size:15.5px;color:var(--text2)}
/* calls */
.ars-calls{border-top:1px solid var(--rule)}
.ars-call{border-bottom:1px solid var(--rule)}
.ars-call h3{margin:0;font-size:inherit}
.ars-call button{all:unset;box-sizing:border-box;width:100%;display:grid;grid-template-columns:56px 1fr 32px;gap:16px;align-items:center;padding:22px 4px;cursor:pointer}
.ars-call button:focus-visible{outline:2px solid var(--copper);outline-offset:2px}
.ars-call .n{color:var(--copper)}
.ars-call .t{font-family:var(--display);font-style:italic;font-size:clamp(22px,2vw,28px);line-height:1.2}
.ars-call .pm{width:32px;height:32px;border-radius:50%;border:1px solid var(--rule);position:relative}
.ars-call .pm::before,.ars-call .pm::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:1.5px;background:var(--ink);transform:translate(-50%,-50%);transition:transform .3s var(--ease)}
.ars-call .pm::after{transform:translate(-50%,-50%) rotate(90deg)}
.ars-call button[aria-expanded="true"] .pm::after{transform:translate(-50%,-50%) rotate(0)}
.ars-call-body{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:0 4px 28px 76px}
.ars-call-body[hidden]{display:none}
.ars-call-body div{font-size:15.5px}
.ars-call-body .ars-mono{display:block;color:var(--text2);margin-bottom:6px}
.ars-call-body .rule-out{color:var(--forest);font-weight:600}
.no-js .ars-call-body[hidden]{display:grid}
/* identity compare */
.ars-cmp{position:relative;aspect-ratio:1204/992;border-radius:14px;overflow:hidden;background:#000;max-width:880px;user-select:none}
.ars-cmp img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ars-cmp .top{clip-path:inset(0 calc(100% - var(--x,50%)) 0 0)}
.ars-cmp .bar{position:absolute;top:0;bottom:0;left:var(--x,50%);width:2px;background:#fff;transform:translateX(-1px);pointer-events:none}
.ars-cmp .bar::after{content:"";position:absolute;top:50%;left:50%;width:44px;height:44px;border-radius:50%;background:#fff;transform:translate(-50%,-50%);box-shadow:0 6px 20px rgba(0,0,0,.35)}
.ars-cmp input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.ars-cmp input:focus-visible+.bar::after{outline:3px solid var(--a-mint);outline-offset:3px}
.ars-cmp .tg{position:absolute;top:14px;padding:6px 10px;border-radius:6px;background:rgba(0,0,0,.7);color:#fff;pointer-events:none}
.ars-cmp .tg.l{left:14px}.ars-cmp .tg.r{right:14px}
.ars-id{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);gap:clamp(24px,4vw,56px);align-items:start}
.ars-pal{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:14px}
.ars-pal span{display:block;font-size:12px;color:var(--text2)}
.ars-pal i{display:block;aspect-ratio:1;border-radius:8px;margin-bottom:6px;border:1px solid rgba(0,0,0,.08)}
.ars-shift{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:clamp(28px,4vw,44px)}
.ars-shift div{border-top:2px solid var(--ink);padding-top:12px;font-size:15px}
.ars-shift .ars-mono{display:block;margin-bottom:6px;color:var(--copper)}
.ars-logo{background:var(--a-void);border-radius:14px;padding:22px;margin-top:20px}
/* light system */
.ars-two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:start}
.ars-video{width:100%;aspect-ratio:1;border-radius:14px;background:#000;display:block}
.ars-scrub{background:#000;border-radius:14px;overflow:hidden}
.ars-scrub-stage{position:relative;aspect-ratio:3/4}
.ars-scrub-stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .45s ease}
.ars-scrub-stage img.on{opacity:1}
.ars-scrub-ctl{padding:16px 18px 18px}
.ars-scrub-ctl label{display:flex;justify-content:space-between;color:var(--a-bone)}
.ars-scrub-ctl input[type=range]{width:100%;margin-top:12px;accent-color:var(--a-mint);height:28px}
.ars-ticks{display:grid;grid-template-columns:repeat(8,1fr);gap:4px;margin-top:6px}
.ars-ticks i{height:6px;border-radius:3px;opacity:.35;transition:opacity .3s}
.ars-ticks i.on{opacity:1}
.ars-stage-tag{display:inline-flex;gap:8px;align-items:center}
/* raw vs staged */
.ars-rs{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ars-rs figure{margin:0}
.ars-tile{all:unset;display:block;cursor:zoom-in;border-radius:12px;overflow:hidden;position:relative}
.ars-tile img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.ars-tile:hover img{transform:scale(1.03)}
.ars-tile:focus-visible{outline:2px solid var(--a-mint);outline-offset:3px}
.ars-badge{position:absolute;left:10px;top:10px;padding:5px 9px;border-radius:6px;background:rgba(10,15,13,.82);color:#fff}
/* pipeline */
.ars-pipe{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;counter-reset:p;margin-bottom:clamp(32px,4vw,48px)}
.ars-pipe button{all:unset;box-sizing:border-box;cursor:pointer;padding:16px 14px 18px;border-top:3px solid rgba(236,230,216,.18);color:var(--a-mute);min-height:44px;transition:border-color .3s,color .3s}
.ars-pipe button b{display:block;font-family:var(--display);font-style:italic;font-weight:500;font-size:22px;color:inherit;margin-top:4px}
.ars-pipe button[aria-selected="true"]{border-color:var(--a-mint);color:var(--a-bone)}
.ars-pipe button:focus-visible{outline:2px solid var(--a-mint);outline-offset:-2px}
.ars-pp[hidden]{display:none}
.ars-pp{animation:arsfade .5s var(--ease)}
@keyframes arsfade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.ars-pp-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(24px,4vw,56px);align-items:start}
.ars-pp h3{margin-bottom:12px}
.ars-pp p{color:var(--a-mute)}
.ars-st{display:inline-block;padding:5px 10px;border-radius:999px;border:1px solid currentColor;margin-bottom:14px}
.ars-st.done{color:var(--a-mint)}.ars-st.prog{color:var(--a-yellow)}.ars-st.rec{color:var(--a-cyan)}
.ars-chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.ars-chips li{padding:10px 14px;border:1px solid rgba(57,231,95,.45);border-radius:8px;font-size:14px}
.ars-chips li span{display:block;font-size:12px;color:var(--a-mute);margin-top:2px}
/* tiers band */
.ars-band{position:relative;margin-top:8px;padding-top:56px}
.ars-band-row{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.ars-band-row div{border-radius:10px;padding:16px;background:var(--a-night);border:1px solid rgba(236,230,216,.12)}
.ars-band-row div:nth-child(2){border-color:var(--a-mint)}
.ars-band-row b{display:block;font-family:var(--display);font-style:italic;font-weight:500;font-size:24px}
.ars-band-row span{font-size:14px;color:var(--a-mute)}
.ars-sale{position:absolute;top:0;left:calc(33.33% + 8%);transform:translateX(-50%);text-align:center;font-size:13px;white-space:nowrap}
.ars-sale::after{content:"";display:block;width:2px;height:22px;background:var(--a-mint);margin:6px auto 0}
.ars-sale b{color:var(--a-mint)}
/* viewer */
.ars-viewer{border:1px solid rgba(236,230,216,.16);border-radius:16px;overflow:hidden;background:#000}
.ars-vbar{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#151310}
.ars-vbar i{width:10px;height:10px;border-radius:50%;background:rgba(236,230,216,.25)}
.ars-vurl{flex:1;min-width:0;padding:6px 12px;border-radius:999px;background:rgba(236,230,216,.08);color:var(--a-mute);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}
.ars-vbtn{all:unset;cursor:pointer;min-width:44px;min-height:36px;padding:0 12px;border-radius:8px;border:1px solid rgba(236,230,216,.25);color:var(--a-bone);text-align:center;font-size:13px;display:inline-flex;align-items:center;justify-content:center}
.ars-vbtn:focus-visible{outline:2px solid var(--a-mint)}
.ars-vframe{position:relative;height:min(70vh,640px);background:var(--a-void)}
.ars-vframe iframe{width:100%;height:100%;border:0;display:block}
.ars-facade{position:absolute;inset:0;display:grid;place-items:center;background:center/cover no-repeat;}
.ars-facade::before{content:"";position:absolute;inset:0;background:rgba(10,15,13,.55)}
.ars-facade button{position:relative;min-height:48px;padding:0 22px;border-radius:999px;border:0;background:var(--a-mint);color:var(--a-void);font:600 15px var(--text);cursor:pointer}
.ars-vtabs{display:flex;gap:6px;overflow-x:auto;padding:12px;scrollbar-width:thin}
.ars-vtabs button{flex:0 0 auto;min-height:40px;padding:0 14px;border-radius:999px;border:1px solid rgba(236,230,216,.22);background:transparent;color:var(--a-bone);font:500 13px var(--text);cursor:pointer}
.ars-vtabs button[aria-selected="true"]{background:var(--a-mint);color:var(--a-void);border-color:var(--a-mint)}
.ars-modal{border:0;padding:0;width:100vw;height:100vh;max-width:none;max-height:none;background:var(--a-void);color:var(--a-bone)}
.ars-modal::backdrop{background:rgba(0,0,0,.8)}
.ars-modal-in{display:grid;grid-template-rows:auto 1fr auto;height:100%}
.ars-modal-in .ars-vframe{height:auto}
/* nfc */
.ars-nfc{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;list-style:none;padding:0;margin:0}
.ars-nfc li{border:1px solid rgba(236,230,216,.16);border-radius:12px;padding:16px;position:relative}
.ars-nfc li .ars-mono{color:var(--a-mint);display:block;margin-bottom:8px}
/* authorship */
.ars-auth{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.ars-auth div{border-radius:12px;padding:20px;background:var(--linen);border-top:4px solid var(--c,var(--ink))}
.ars-auth h3{font-size:22px;margin:0 0 10px}
.ars-auth p{font-size:14.5px;margin:0;color:#3d3b34}
/* evidence */
.ars-ev{list-style:none;padding:0;margin:0;border-top:1px solid var(--rule)}
.ars-ev li{display:grid;grid-template-columns:220px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--rule);align-items:start}
.ars-lvl{display:flex;gap:10px;align-items:center;font-weight:600;font-size:15px}
.ars-lvl i{display:inline-flex;gap:3px}
.ars-lvl i b{width:8px;height:18px;border-radius:2px;background:var(--rule)}
.ars-lvl i b.f{background:var(--forest)}
.ars-ev p{margin:0}
.ars-ev .nm .ars-lvl{color:var(--text2)}
/* lightbox */
.ars-lb{border:0;padding:0;background:transparent;max-width:none;max-height:none;width:100vw;height:100vh}
.ars-lb::backdrop{background:rgba(5,8,7,.92)}
.ars-lb-in{display:grid;grid-template-columns:56px 1fr 56px;align-items:center;height:100%;padding:16px;gap:8px}
.ars-lb figure{margin:0;text-align:center}
.ars-lb img{max-height:82vh;max-width:100%;margin:0 auto;border-radius:8px}
.ars-lb figcaption{color:var(--a-bone);margin-top:12px;font-size:15px;max-width:70ch;margin-inline:auto}
.ars-lb button{min-width:48px;min-height:48px;border-radius:50%;border:1px solid rgba(236,230,216,.3);background:transparent;color:#fff;font-size:22px;cursor:pointer}
.ars-lb .x{position:fixed;top:16px;right:16px;border-radius:999px;padding:0 16px;font-size:15px}
@media (max-width:900px){
 .ars-hero-grid,.ars-reframe,.ars-id,.ars-two,.ars-pp-grid{grid-template-columns:1fr}
 .ars-auth{grid-template-columns:1fr 1fr}
 .ars-shift{grid-template-columns:1fr 1fr}
 .ars-call-body{grid-template-columns:1fr;padding-left:4px}
 .ars-pipe{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:minmax(150px,1fr);overflow-x:auto}
}
@media (max-width:560px){
 .ars-four,.ars-auth,.ars-nfc{grid-template-columns:1fr}
 .ars-ev li{grid-template-columns:1fr;gap:8px}
 .ars-band-row{grid-template-columns:1fr}
 .ars-sale{position:static;transform:none;text-align:left;margin-bottom:8px}
 .ars-sale::after{display:none}
 .ars-band{padding-top:0}
 .ars-band-row div:nth-child(2){order:-1}
 .ars-lb-in{grid-template-columns:1fr}.ars-lb-in>button{display:none}
 .ars-call button{grid-template-columns:40px 1fr 32px}
 .ars-meta{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){.ars-light-frame img,.ars-scrub-stage img{transition:none}.ars-pp{animation:none}}

/* v3.7 additions */
.ars-hv{position:relative}
.ars-hv .ars-video{box-shadow:0 60px 120px -60px rgba(57,231,95,.35)}
.ars-hv-btn{position:absolute;top:12px;right:12px}
.ars-vbtn{min-height:44px;padding:0 14px;border-radius:999px;border:1px solid rgba(236,230,216,.35);background:rgba(10,15,13,.78);color:var(--a-bone);font:500 14px var(--text);cursor:pointer}
.ars-vbtn:hover{border-color:var(--a-mint)}
.ars-stages{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.ars-stages li{font:500 12px/1 ui-monospace,Menlo,monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--a-bone);padding:7px 9px 7px 22px;border:1px solid rgba(236,230,216,.2);border-radius:999px;position:relative}
.ars-stages li::before{content:"";position:absolute;left:8px;top:50%;width:8px;height:8px;margin-top:-4px;border-radius:50%;background:var(--s)}
.ars-rule{margin-top:clamp(24px,3vw,36px);padding:16px 18px;border-left:3px solid var(--copper);background:rgba(57,231,95,.08);max-width:760px;font-size:16px}
.ars-rule .ars-mono{color:#1A4A30}
.ars-shift2{grid-template-columns:1fr 1fr;margin-top:22px}
.ars-cmp video,.ars-cmp .ars-cmp-v{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.ars-cmp{touch-action:pan-y}
.ars-cg{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.ars-cg li{background:#000;border:1px solid rgba(236,230,216,.16);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.ars-cg-frame{height:clamp(340px,38vw,520px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--a-mint) #000}
.ars-cg-frame:focus-visible{outline:2px solid var(--a-mint);outline-offset:-2px}
.ars-cg-frame img{display:block;width:100%;height:auto}
.ars-cg-cap{display:flex;align-items:center;gap:10px;padding:10px 12px;border-top:1px solid rgba(236,230,216,.16)}
.ars-cg-cap .ars-mono{margin:0;color:var(--a-mute)}
.ars-cg-cap b{flex:1;color:var(--a-bone);font-size:15px}
.ars-trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,3vw,36px);margin-top:clamp(36px,5vw,60px)}
.ars-trio h3{font-size:20px;margin:6px 0 8px}
.ars-trio p{color:var(--a-mute);font-size:15px}
.ars-auth2{margin-top:clamp(32px,4vw,48px)}
@media (max-width:900px){.ars-cg{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:78%;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px}.ars-cg li{scroll-snap-align:start}.ars-trio{grid-template-columns:1fr}}
@media (max-width:560px){.ars-shift2{grid-template-columns:1fr}}
.ars-hv .ars-video{object-fit:cover}
.ars-hv .ars-cap .ars-mono{display:block;margin-bottom:6px}
.ars-hg2{grid-template-areas:"t v" "m v";align-items:start}
.ars-hg2 .ars-ht{grid-area:t;align-self:end}
.ars-hg2 .ars-meta{grid-area:m;align-self:start;margin-top:0}
.ars-hg2 .ars-hv{grid-area:v;align-self:center}
@media (max-width:900px){.ars-hg2{grid-template-areas:"t" "v" "m";row-gap:28px}}

/* v3.8: Artificial red is green. No red anywhere in the case-study chrome. Palette from ARS Brand Guide 2026. */
.ars-page{--copper:#1A4A30;--copper-dark:#39E75F}
.ars-page ::selection{background:#39E75F;color:#0A0F0D}
.ars-page .ars-ask{border-left-color:#39E75F}
.ars-page .ars-rule{border-left-color:#39E75F}
.ars-stages li{padding-left:9px}
.ars-stages li::before{display:none}
.ars-ticks i{background:var(--a-mint)}
.ars-page .rule{background:#39E75F}
.ars-rule .ars-mono{display:block;margin-bottom:6px}