/* ===== Case studies — blurred screen wall + 2x2 cards placed by scroll ===== */
.cg{padding-left:0;padding-right:0;--cg-ink:#f2f1ec;--cg-mut:rgba(242,241,236,.62)}
.cg>.sec-tag,.cg>.all-work{margin-left:var(--gut);margin-right:var(--gut)}
.cg-track{position:relative;height:440vh}
.cg-stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;background:#07070a}

/* background: soft drifting colour glows (no images) */
.cg-bg{position:absolute;inset:0;overflow:hidden}
.cg-orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.42;will-change:transform}
.cg-orb.o1{width:46vw;height:46vw;left:-10vw;top:-14vw;background:#5b6cff;animation:cgOrb 18s ease-in-out infinite}
.cg-orb.o2{width:38vw;height:38vw;right:-8vw;top:6vh;background:#c9a35b;opacity:.28;animation:cgOrb 22s ease-in-out infinite reverse}
.cg-orb.o3{width:42vw;height:42vw;left:30vw;bottom:-26vw;background:#69ba68;opacity:.22;animation:cgOrb 26s ease-in-out infinite}
.cg-grain{position:absolute;inset:0;opacity:.5;background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:22px 22px;
  -webkit-mask-image:radial-gradient(70% 60% at 50% 40%,#000,transparent);mask-image:radial-gradient(70% 60% at 50% 40%,#000,transparent)}
@keyframes cgOrb{50%{transform:translate(6vw,4vh) scale(1.12)}}
.cg-shade{position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(7,7,10,.3) 0%,rgba(7,7,10,0) 30%,rgba(7,7,10,0) 70%,#07070a 100%)}

/* headline */
.cg-head{position:absolute;left:50%;top:47%;width:min(1180px,88vw);transform:translate(-50%,-50%);transform-origin:50% 0;z-index:3;color:var(--cg-ink);will-change:transform}
.cg-badge{display:inline-flex;align-items:center;gap:10px;margin-bottom:26px;padding:9px 16px;border-radius:999px;font:500 .84rem/1 var(--body);color:var(--cg-ink);
  background:rgba(255,255,255,.08);box-shadow:inset 0 0 0 1px rgba(255,255,255,.22);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.cg-badge b{width:7px;height:7px;border-radius:50%;background:#5866ff;box-shadow:0 0 12px #5866ff}
.cg-h{margin:0;font:600 clamp(3rem,6.8vw,7.6rem)/.98 var(--disp);letter-spacing:-.05em}
.cg-h em{font-style:normal;color:#5866ff}
/* flat 2D icon tile in the headline */
.cg-ico{display:inline-grid;place-items:center;width:.86em;height:.86em;margin:0 .1em 0 .06em;vertical-align:-.06em;border-radius:.2em;
  background:linear-gradient(140deg,#f3f4ff 0%,#c9d0ff 45%,#a7b2f7 100%);box-shadow:0 .06em .2em rgba(120,135,255,.35),inset 0 0 0 .012em rgba(255,255,255,.6)}
.cg-ico svg{width:58%;height:58%;fill:#0b0b10;animation:cgStar 4s ease-in-out infinite}
@keyframes cgStar{0%,100%{transform:rotate(0) scale(1)}50%{transform:rotate(45deg) scale(.86)}}
@media(prefers-reduced-motion:reduce){.cg-ico svg,.cg-orb{animation:none}}
.cg-sub{display:block;margin:26px 0 0 auto;max-width:34ch;text-align:right;font:400 1rem/1.55 var(--body);color:var(--cg-mut);will-change:opacity}

/* the 2x2 grid of case studies */
.cg-grid{position:absolute;left:50%;top:var(--gtop,38vh);z-index:4;display:grid;grid-template-columns:repeat(4,var(--cw,300px));column-gap:clamp(16px,1.6vw,26px);row-gap:26px;transform:translateX(-50%)}
.cg-card{position:relative;display:flex;flex-direction:column;text-decoration:none;color:var(--cg-ink);opacity:0;will-change:transform,opacity,filter;outline:none}
.cg-img{position:relative;display:block;height:var(--ih,380px);border-radius:clamp(16px,1.6vw,24px);overflow:hidden;background:#101016;
  box-shadow:0 30px 70px -30px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.07)}
/* the project's colour palette, as stacked swatches */
.cg-pal{position:absolute;inset:0;display:flex;flex-direction:column}
.cg-band{position:relative;flex:var(--w,1) 1 0;transition:flex-grow .7s var(--out);min-height:0;display:flex;align-items:flex-end;justify-content:space-between;gap:10px;padding:0 clamp(12px,1.3vw,18px) clamp(8px,.8vw,11px);
  color:rgba(242,241,236,.92);transition:flex-grow .8s var(--out)}
.cg-band.lt{color:rgba(14,14,20,.85)}
.cg-band b{font:600 clamp(.66rem,.8vw,.8rem)/1 var(--body);letter-spacing:.01em}
.cg-band small{font:500 clamp(.54rem,.66vw,.66rem)/1 var(--mono);letter-spacing:.08em;opacity:.75;margin-right:clamp(40px,4.4vw,64px)}
.cg-band+.cg-band{box-shadow:inset 0 1px 0 rgba(255,255,255,.07)}
.cg-card:hover .cg-band{flex-grow:1}
.cg-img::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(8,8,12,0) 55%,rgba(8,8,12,.75));opacity:0;transition:opacity .5s var(--out)}
.cg-vert{position:absolute;right:clamp(10px,1.1vw,16px);top:clamp(12px,1.2vw,18px);z-index:2;writing-mode:vertical-rl;white-space:nowrap;
  font:800 min(3.3vw,calc(var(--ih,400px) / 7.4))/.9 var(--disp);letter-spacing:-.03em;text-transform:uppercase;color:#fff;mix-blend-mode:difference;transition:color .5s var(--out),transform .6s var(--out)}
.cg-card:hover .cg-vert{transform:translateY(6px)}
.cg-explore{position:absolute;left:clamp(14px,1.6vw,24px);bottom:clamp(12px,1.4vw,20px);z-index:2;display:inline-flex;align-items:center;gap:8px;
  font:500 clamp(.82rem,1vw,1rem)/1 var(--body);color:rgb(var(--acc));opacity:0;transform:translateY(10px);transition:opacity .5s var(--out),transform .5s var(--out)}
.cg-explore i{font-style:normal;transition:transform .4s var(--out)}
.cg-row{display:flex;align-items:center;justify-content:space-between;margin-top:clamp(10px,1.1vw,16px)}
.cg-no{font:500 .74rem/1 var(--mono);letter-spacing:.1em;color:rgb(var(--acc))}
.cg-go{position:relative;display:grid;place-items:center;width:clamp(36px,3vw,46px);height:clamp(36px,3vw,46px);border-radius:50%;overflow:hidden;font-style:normal;
  box-shadow:inset 0 0 0 1px rgba(242,241,236,.22);transition:background .45s var(--out),box-shadow .45s var(--out)}
.cg-go b{position:absolute;font-weight:400;font-size:1rem;transition:transform .45s var(--out),opacity .45s}
.cg-go .a2{transform:translateX(-140%);opacity:0;color:#0e0e14}
.cg-name{margin-top:clamp(6px,.8vw,12px);font:600 clamp(1.3rem,2.1vw,2.2rem)/1.05 var(--disp);letter-spacing:-.035em;transition:color .45s var(--out)}
.cg-cat{margin-top:8px;font:400 clamp(.82rem,.95vw,.95rem)/1.4 var(--body);color:var(--cg-mut)}

.cg-card:hover .cg-img::after{opacity:1}
.cg-card:hover .cg-explore{opacity:1;transform:none}
.cg-card:hover .cg-explore i{transform:translateX(4px)}
.cg-card:hover .cg-go{background:rgb(var(--acc));box-shadow:none}
.cg-card:hover .cg-go .a1{transform:translateX(140%);opacity:0}
.cg-card:hover .cg-go .a2{transform:none;opacity:1}
.cg-card:hover .cg-name{color:rgb(var(--acc))}
.cg-card:focus-visible .cg-img{outline:2px solid var(--cg-ink);outline-offset:4px}

.cg-hint{position:absolute;right:var(--gut);bottom:6vh;z-index:5;writing-mode:vertical-rl;transform:rotate(180deg);display:flex;align-items:center;gap:12px;
  font:500 .8rem/1 var(--body);color:var(--cg-mut);transition:opacity .4s}
.cg-hint::after{content:"";width:1px;height:70px;background:linear-gradient(var(--cg-ink),rgba(242,241,236,0))}

/* phones, tablets, reduced motion: no pinning, cards in a column */
@media(max-width:900px),(prefers-reduced-motion:reduce){
  .cg-track{height:auto}
  .cg-stage{position:relative;height:auto;padding:12vh var(--gut) 10vh}
  .cg-head{position:relative;left:auto;top:auto;width:auto;transform:none!important}
  .cg-h{font-size:clamp(2.4rem,10vw,4rem)}
  .cg-sub{margin-left:0;text-align:left}
  .cg-grid{position:relative;left:auto;top:auto;transform:none;grid-template-columns:1fr;margin-top:44px}
  .cg-img{height:auto;aspect-ratio:16/10}
  .cg-vert{font-size:clamp(1.3rem,6vw,2rem)}
  .cg-orb{filter:blur(60px)}
  .cg-card{opacity:1;transform:none!important;filter:none!important}
  .cg-hint{display:none}
}
@media(min-width:620px) and (max-width:900px){.cg-grid{grid-template-columns:1fr 1fr}}
/* palette cards: no dark overlay or inner link label; the arrow button carries the action */
.cg-img::after,.cg-explore{display:none}
/* type chip, top-left inside the card */
.cg-chip{position:absolute;left:clamp(12px,1.3vw,18px);top:clamp(12px,1.3vw,18px);z-index:2;padding:8px 13px;border-radius:999px;
  font:600 .64rem/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:#f2f1ec;background:rgba(10,10,14,.55);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.2);transition:background .45s var(--out),color .45s}
.cg-card:hover .cg-chip{background:rgb(var(--acc));color:#0e0e14;box-shadow:none}
.cg-band{padding:0!important;overflow:hidden}

/* background: same indigo family as the page background (replaces the blue / gold / green glows) */
.cg-stage{background:#0e0e14}
.cg-orb.o1{width:52vw;height:52vw;left:-14vw;top:-18vw;background:#5866ff;opacity:.30}
.cg-orb.o2{width:40vw;height:40vw;right:-12vw;top:auto;bottom:-16vw;background:#5866ff;opacity:.16}
.cg-orb.o3{display:none}
.cg-grain{display:none}
.cg-shade{background:linear-gradient(180deg,#0e0e14 0%,rgba(14,14,20,0) 16%,rgba(14,14,20,0) 78%,#0e0e14 100%)}

/* performance: static gradient glows instead of huge blurred, animated layers */
.cg-orb{display:none!important}
.cg-bg{background:radial-gradient(48% 52% at 6% 0%,rgba(88,102,255,.26),transparent 70%),radial-gradient(40% 46% at 96% 100%,rgba(88,102,255,.14),transparent 70%)}
.cg-card{will-change:transform,opacity}

/* arrow button: centred vector icons (text arrows sat off-centre) */
.cg-go svg{position:absolute;inset:0;margin:auto;width:44%;height:44%;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;
  transition:transform .45s var(--out),opacity .45s}
.cg-go .a1{color:var(--cg-ink)}
.cg-go .a2{color:#0e0e14;transform:translateX(-140%);opacity:0}
.cg-card:hover .cg-go .a1{transform:translate(140%,-140%);opacity:0}
.cg-card:hover .cg-go .a2{transform:none;opacity:1}