/* Case study below the desktop. Tokens come from the Unform Figma file
   (V1 UI / Components): ink #20211e, paper #fff, muted #858279, line #dcdad1,
   JetBrains Mono 9–10px labels with ~.04em tracking, 3px radius.
   Accent green is used in three places only: ==highlights==, the active
   index dot, and a slider thumb while it's being dragged. */
:root{--c-ink:#20211e;--c-paper:#ffffff;--c-muted:#858279;--c-line:#dcdad1;--c-soft:#f6f5f1;--c-active:#d4d4d1;--c-acid:#d8f269;
  --c-mono:'JetBrains Mono','SFMono-Regular',ui-monospace,Menlo,Consolas,monospace}

#case{position:relative;z-index:1;background:var(--c-paper);color:var(--c-ink);font-family:var(--c-mono);font-size:14px;line-height:1.75;
  -webkit-font-smoothing:antialiased;user-select:text;border-top:1px solid var(--c-line)}
#case *{box-sizing:border-box}
.case-wrap{max-width:1240px;margin:0 auto;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}
.c-label{font:400 10px/1 var(--c-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--c-muted)}

/* Hero */
.c-hero{padding-block:88px 56px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:56px;align-items:end;border-bottom:1px solid var(--c-line)}
.c-hero h1{margin:0;font:500 clamp(34px,4.6vw,60px)/.95 var(--c-mono);letter-spacing:-.045em;text-transform:uppercase}
.c-hero h1.has-logo{width:min(100%,640px);aspect-ratio:5178.87/610.52;margin-top:0;--logo-stroke:1.3px}
/* Registration marks around the wordmark, like the canvas corners. The frame's
   padding is cancelled by a negative margin, so the logo stays aligned with the text. */
.c-logo-frame{position:relative;padding:20px 22px;margin:6px -22px -20px;width:min(calc(100% + 44px),684px)}
.c-logo-frame i{position:absolute;font:12px/1 var(--c-mono);font-style:normal;color:var(--c-muted);pointer-events:none}
.c-logo-frame i::before{content:"+"}
.c-logo-frame .tl{left:4px;top:2px}.c-logo-frame .tr{right:4px;top:2px}
.c-logo-frame .bl{left:4px;bottom:2px}.c-logo-frame .br{right:4px;bottom:2px}
.c-hero h1.has-logo svg{display:block;width:100%;height:100%;overflow:visible}
.c-hero .line{margin:34px 0 0;font-size:15px;line-height:1.5;max-width:30ch}
.c-facts{margin:40px 0 0;display:grid;gap:0;border-top:1px solid var(--c-line);max-width:520px}
.c-facts div{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:9px 0;border-bottom:1px solid var(--c-line);font-size:12px;line-height:1.4}
.c-facts dt{color:var(--c-muted);text-transform:uppercase;font-size:10px;letter-spacing:.05em;padding-top:2px}
.c-facts dd{margin:0}

/* Body grid: sticky index + content */
.c-body{display:grid;grid-template-columns:200px minmax(0,1fr);gap:64px;padding-block:64px 40px}
.c-index{position:sticky;top:32px;align-self:start;display:grid;gap:2px;padding-top:6px}
.c-index a{display:grid;grid-template-columns:28px 1fr 8px;align-items:center;gap:4px;padding:5px 0;color:var(--c-muted);text-decoration:none;font-size:11px;letter-spacing:.03em;text-transform:uppercase}
.c-index a:hover{color:var(--c-ink)}
.c-index a.on{color:var(--c-ink)}
.c-index a i{width:6px;height:6px;border-radius:50%}
.c-index a.on i{background:var(--c-acid);box-shadow:0 0 0 1px var(--c-ink)}

.c-section{padding-block:8px 72px;border-bottom:1px solid var(--c-line);margin-bottom:64px;scroll-margin-top:24px}
.c-section:last-child{border-bottom:0}
.c-section header{display:grid;gap:14px;margin-bottom:28px}
.c-section h2{margin:0;font:500 clamp(20px,2.1vw,26px)/1.2 var(--c-mono);letter-spacing:-.025em;text-wrap:balance;max-width:36ch}
.c-section p{margin:0 0 18px}
.c-section h3{margin:28px 0 8px;font:500 12px var(--c-mono);text-transform:uppercase;letter-spacing:.05em}
.c-section ul{margin:0 0 18px;padding:0;list-style:none;display:grid;gap:8px}
.c-section li{display:grid;grid-template-columns:22px 1fr;font-size:13.5px}
.c-section li::before{content:"–";color:var(--c-muted)}
.c-section mark{background:linear-gradient(transparent 58%,var(--c-acid) 58% 92%,transparent 92%);color:inherit;padding:0 1px}
.c-quote{margin:32px 0;padding-left:24px;border-left:1px solid var(--c-ink);font:500 clamp(17px,1.8vw,21px)/1.35 var(--c-mono);letter-spacing:-.02em}
.c-code{display:block;margin:0 0 18px;padding:10px 14px;background:var(--c-soft);border-radius:3px;font-size:12px;color:#55544e;overflow-x:auto;white-space:pre}

/* Figures: canvas frames with registration marks, like the app */
.c-fig{position:relative;margin:36px 0 36px;border:1px solid var(--c-line);border-radius:3px;background:var(--c-paper)}
.c-fig::before,.c-fig::after{content:"+";position:absolute;font:12px/1 var(--c-mono);color:var(--c-muted)}
.c-fig::before{left:8px;top:6px}.c-fig::after{right:8px;bottom:6px}
.c-fig figcaption{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:10px 14px;border-top:1px solid var(--c-line)}
.c-fig svg{display:block;width:100%;height:100%}

.fig-hero{aspect-ratio:5/4;max-width:100%}
.fig-hero .art{position:absolute;inset:5% 5% 52px}
.fig-hero figcaption{position:absolute;left:0;right:0;bottom:0}

.f-pipe{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.f-pipe .panel{position:relative;border-right:1px solid var(--c-line);display:grid;grid-template-rows:auto 1fr auto}
.f-pipe .panel:last-child{border-right:0}
.f-pipe .panel .c-label{padding:12px 12px 0}
.f-pipe .panel .art{aspect-ratio:1;margin:8px}
.f-pipe .panel .ctl{padding:0 12px 12px;min-height:42px}

/* Sliders (Figma: hairline track, ring thumb) */
.c-slider{display:grid;gap:8px}
.c-slider .row{display:flex;justify-content:space-between}
.c-slider input{-webkit-appearance:none;appearance:none;width:100%;height:14px;margin:0;background:transparent;cursor:pointer}
.c-slider input::-webkit-slider-runnable-track{height:1px;background:var(--c-line)}
.c-slider input::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;margin-top:-6px;border-radius:50%;background:var(--c-paper);border:1px solid var(--c-ink)}
.c-slider input:active::-webkit-slider-thumb{background:var(--c-acid)}
.c-slider input::-moz-range-track{height:1px;background:var(--c-line)}
.c-slider input::-moz-range-thumb{width:11px;height:11px;border-radius:50%;background:var(--c-paper);border:1px solid var(--c-ink)}
.c-slider input:active::-moz-range-thumb{background:var(--c-acid)}
.c-slider .ends{display:flex;justify-content:space-between;font-size:9px;color:var(--c-muted)}

/* Buttons (Figma: Primary / Secondary / Utility, Default / Active) */
.c-btn{all:unset;box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;gap:8px;height:36px;padding:0 15px;border-radius:3px;
  border:1px solid var(--c-ink);font:400 10px/1 var(--c-mono);letter-spacing:.04em;text-transform:uppercase;cursor:pointer;white-space:nowrap;background:var(--c-paper);color:var(--c-ink)}
.c-btn.primary{background:var(--c-ink);color:var(--c-paper)}
.c-btn.active,.c-btn:active{background:var(--c-active);color:var(--c-ink)}
.c-btn:focus-visible{outline:2px solid var(--c-ink);outline-offset:2px}

.f-dials{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}
.f-dials .art{aspect-ratio:5/4;border-right:1px solid var(--c-line)}
.f-dials .side{padding:18px;display:grid;align-content:start;gap:18px}
.f-dials .tabs{display:flex;flex-wrap:wrap;gap:6px}
.f-dials .tabs .c-btn{height:30px;padding:0 10px;font-size:9px}
.f-dials .readout{font-size:11px;line-height:1.6;color:#55544e;background:var(--c-soft);border-radius:3px;padding:10px 12px;white-space:pre-wrap;word-break:break-word}

.f-seeds{display:grid;grid-template-columns:repeat(6,minmax(0,1fr))}
.f-seeds .seed{border-right:1px solid var(--c-line);padding:10px;display:grid;gap:6px;justify-items:center;text-align:center}
.f-seeds .seed:last-child{border-right:0}
.f-seeds .art{width:100%;aspect-ratio:1}
.f-seeds .seed .c-btn{height:26px;padding:0 8px;font-size:9px}

.f-system{padding:28px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 36px}
.f-system h4{margin:0 0 10px}
.f-system .btns{display:flex;flex-wrap:wrap;gap:8px}
.f-system .scope{display:flex;gap:6px}
.f-system .scope .c-btn{flex:1;height:32px;font-size:9px}
.f-system .swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.f-system .sw{display:grid;gap:6px;font-size:10px;line-height:1.3}
.f-system .sw i{display:block;aspect-ratio:1.4;border-radius:3px;border:1px solid var(--c-line)}
.f-system .type div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:6px 0;border-bottom:1px solid var(--c-line)}
.f-system .menu-spec{border:1px solid var(--c-ink);border-radius:3px;padding:6px 0;max-width:200px}
.f-system .menu-spec div{padding:7px 14px;font-size:10px;letter-spacing:.04em;color:var(--c-muted)}
.f-system .menu-spec div:first-child{color:var(--c-ink)}

.f-perf{padding:24px 24px 8px;display:grid;gap:16px}
.f-perf .bar-row{display:grid;grid-template-columns:150px minmax(0,1fr);gap:16px;align-items:center;font-size:11px}
.f-perf .bars{display:grid;gap:4px}
.f-perf .bar{height:12px;border-radius:2px;display:flex;align-items:center}
.f-perf .bar span{margin-left:calc(100% + 8px);font-size:10px;white-space:nowrap;color:var(--c-muted)}
.f-perf .before{background:var(--c-line)}
.f-perf .after{background:var(--c-ink)}
.f-perf .after span{color:var(--c-ink)}
.f-perf .legend{display:flex;gap:18px}
.f-perf .legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:-1px}

/* Outro */
.c-outro{padding-block:72px 96px;border-top:1px solid var(--c-line);display:grid;gap:20px;justify-items:start}
.c-outro h2{margin:0;font:500 clamp(20px,2.1vw,26px)/1.2 var(--c-mono);letter-spacing:-.025em}
.c-outro .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.c-outro .credit{margin-top:40px;display:flex;gap:18px;flex-wrap:wrap}
.c-outro a{color:var(--c-ink)}

/* Desktop → page: entry label in the corner of the desktop */
.to-case{all:unset;position:absolute;left:max(18px,env(safe-area-inset-left,0px));bottom:max(16px,env(safe-area-inset-bottom,0px));z-index:5;cursor:pointer;
  font:400 10px/1 var(--c-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--c-ink);padding:9px 12px;border-radius:999px;
  background:rgba(255,255,255,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 0 0 .5px rgba(32,33,30,.18)}
.to-case:hover{background:rgba(255,255,255,.92)}
.to-case b{display:inline-block;font-weight:400;animation:nudge 2.4s ease-in-out infinite}
@keyframes nudge{0%,100%{transform:translateY(0)}50%{transform:translateY(2px)}}

@media (max-width: 900px){
  .c-hero{grid-template-columns:1fr;padding-block:72px 48px;gap:32px}
  .c-body{grid-template-columns:1fr;gap:0}
  .c-index{display:none}
  .f-pipe{grid-template-columns:repeat(2,minmax(0,1fr))}
  .f-pipe .panel:nth-child(2){border-right:0}
  .f-pipe .panel:nth-child(-n+2){border-bottom:1px solid var(--c-line)}
  .f-dials{grid-template-columns:1fr}
  .f-dials .art{border-right:0;border-bottom:1px solid var(--c-line)}
  .f-seeds{grid-template-columns:repeat(3,minmax(0,1fr))}
  .f-seeds .seed:nth-child(3){border-right:0}
  .f-seeds .seed:nth-child(-n+3){border-bottom:1px solid var(--c-line)}
  .f-system{grid-template-columns:1fr;padding:20px}
  .f-perf .bar-row{grid-template-columns:1fr}
  .f-perf .bar span{margin-left:auto;margin-right:-60px}
}
@media (prefers-reduced-motion: reduce){ .to-case b{animation:none} }

.f-pipe .ctl .c-label{line-height:1.5}

/* Fig. 05 — trace your own */
.f-trace{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.f-trace .panel{border-right:1px solid var(--c-line);display:grid;grid-template-rows:auto auto 1fr;min-width:0}
.f-trace .panel:last-child{border-right:0}
.f-trace .panel > .c-label{padding:12px 12px 0}
.f-trace .art{aspect-ratio:1;margin:8px;display:grid;place-items:center;min-width:0}
.f-trace .src canvas{max-width:100%;max-height:100%;object-fit:contain;background:var(--c-soft);border-radius:3px}
.f-trace .ctl{padding:0 12px 14px;display:grid;gap:10px;align-content:start}
.f-trace .tabs{display:flex;flex-wrap:wrap;gap:6px}
.f-trace .tabs .c-btn,.f-trace .file{height:30px;padding:0 10px;font-size:9px}
.c-input{all:unset;box-sizing:border-box;width:100%;height:34px;padding:0 10px;border:1px solid var(--c-ink);border-radius:3px;font:400 13px var(--c-mono);letter-spacing:.02em;cursor:text}
.c-input:focus-visible{outline:2px solid var(--c-ink);outline-offset:2px}
.f-trace .status{line-height:1.5}
@media (max-width: 900px){
  .f-trace{grid-template-columns:1fr}
  .f-trace .panel{border-right:0;border-bottom:1px solid var(--c-line)}
  .f-trace .panel:last-child{border-bottom:0}
  .f-trace .art{max-height:300px;aspect-ratio:auto;height:240px}
}