/* Play: shared styles for the play index and the experiment pages */
@font-face{font-family:'General Sans';src:url('assets/general-sans-400.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'General Sans';src:url('assets/general-sans-500.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:'General Sans';src:url('assets/general-sans-600.woff2') format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:'General Sans';src:url('assets/general-sans-700.woff2') format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:'General Sans';src:url('assets/general-sans-500-italic.woff2') format('woff2');font-weight:500;font-style:italic;font-display:swap}

:root{
  --ink:#202020; --muted:#6f6c66; --line:#2020201a; --paper:#fff; --soft:#f6f5f2;
  --yellow:#FFD60A; --orange:#FF713B; --blue:#35C4FF; --purple:#A743FF; --green:#4caf50;
  --sans:'General Sans','DM Sans',system-ui,sans-serif; --hand:Caveat,'Comic Sans MS',cursive;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:500 15px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--yellow);outline-offset:3px}

/* nav: identical to the homepage header */
.p-nav{position:sticky;top:0;z-index:50;height:90px;display:flex;align-items:center;justify-content:space-between;padding:0 5.2%}
.p-nav::before{content:'';position:absolute;inset:0 0 -34px;z-index:-1;pointer-events:none;background:linear-gradient(#fff 0%,#fffffff0 40%,#fff0 100%);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);-webkit-mask-image:linear-gradient(#000 45%,transparent);mask-image:linear-gradient(#000 45%,transparent)}
.p-logo{font:500 37px/1 Caveat,cursive;letter-spacing:-1px;text-decoration:none;color:#292b2d}
.p-logo span{color:var(--yellow)}
.p-nav nav{display:flex;align-items:center;gap:29px}
.p-nav nav a{font:500 15px/1.4 var(--sans);text-decoration:none;color:#292b2d;white-space:nowrap}
@media (min-width:1600px){.p-nav nav a{font-size:16px}}
@media (max-width:800px){.p-nav{height:70px;padding:0 6%}.p-logo{font-size:34px}}
@media (max-width:600px){.p-nav nav{gap:12px}.p-nav nav a{font-size:13px}}

.wrap{width:min(1180px,100%);margin:0 auto;padding-inline:max(16px,5vw)}
.kicker{display:inline-flex;align-items:center;gap:8px;font:600 11px/1 var(--sans);letter-spacing:2.2px;text-transform:uppercase;color:var(--muted)}
.kicker i{font-style:normal;font-size:14px}
.unofficial{display:inline-block;margin-top:14px;font:500 12px/1.4 var(--sans);color:var(--muted);background:var(--soft);border-radius:40px;padding:6px 12px}

/* --- play index --- */
.play-hero{padding-block:clamp(40px,8vw,96px) clamp(24px,5vw,56px)}
.play-hero h1{font:500 clamp(44px,7vw,88px)/1 var(--sans);letter-spacing:-.04em;margin:14px 0 18px;text-wrap:balance}
.play-hero h1 em{font-style:italic;color:var(--yellow);position:relative}
.play-hero p{max-width:560px;color:var(--muted);font-size:16px;margin:0}
.row{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:clamp(24px,5vw,72px);padding-block:clamp(40px,6vw,80px);border-top:1px solid var(--line)}
.row-head{position:sticky;top:110px;align-self:start}
.row-head h2{font:500 clamp(30px,3.6vw,44px)/1.05 var(--sans);letter-spacing:-.03em;margin:12px 0 12px}
.row-head h2 em{font-style:italic}
.row-head p{margin:0;color:var(--muted);font-size:14px;max-width:280px}
.tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.tile{position:relative;display:flex;flex-direction:column;gap:12px;text-decoration:none}
.tile-media{position:relative;aspect-ratio:4/3;border-radius:18px;overflow:hidden;background:var(--soft);isolation:isolate}
.tile-media img,.tile-media video{width:100%;height:100%;object-fit:cover;display:block;transition:scale .7s cubic-bezier(.2,.7,.2,1)}
.tile-media .badge{position:absolute;top:12px;right:12px;font:600 11px/1 var(--sans);padding:7px 10px;border-radius:40px;background:#fff;box-shadow:0 2px 8px #0000001a}
.tile-media .badge.live{background:var(--yellow)}
.tile h3{margin:0;font:500 19px/1.25 var(--sans);letter-spacing:-.01em;display:flex;align-items:center;gap:8px}
.tile h3::after{content:'↗';font-size:.8em;opacity:0;translate:-4px 2px;transition:.3s}
.tile:hover h3::after{opacity:1;translate:0}
.tile p{margin:-6px 0 0;color:var(--muted);font-size:14px}
.tile.wide{grid-column:1/-1}
.tile.wide .tile-media{aspect-ratio:16/7}
.p-foot{padding:48px max(16px,5vw) 56px;text-align:center;color:var(--muted);font-size:13px;font-style:italic}

/* --- experiment pages --- */
.x-hero{padding-block:clamp(32px,6vw,72px) clamp(20px,4vw,40px);display:grid;gap:14px;max-width:820px}
.x-hero h1{font:500 clamp(40px,6vw,72px)/1.02 var(--sans);letter-spacing:-.04em;margin:6px 0 4px;text-wrap:balance}
.x-hero h1 em{font-style:italic;color:var(--yellow)}
.x-hero .lede{font-size:clamp(17px,1.6vw,20px);line-height:1.5;margin:0;color:#3d3b37;max-width:640px}
.x-back{font-size:14px;text-decoration:none;color:var(--muted)}
.x-back:hover{color:var(--ink)}
.x-problem{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-block:8px 40px}
.x-problem div{background:var(--soft);border-radius:16px;padding:18px 18px 20px}
.x-problem b{display:block;font:500 15px/1.3 var(--sans);margin-bottom:6px}
.x-problem span{font-size:14px;color:var(--muted)}
.stage{position:relative;border-radius:28px;background:var(--stage-bg,#f7f6f2);padding:clamp(18px,4vw,48px);display:grid;place-items:center;overflow:hidden;isolation:isolate}
.stage-note{font:500 13px/1.4 var(--sans);color:var(--muted);text-align:center;margin:14px 0 0}
.x-moves{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-block:56px 24px}
.x-moves article{border-top:2px solid var(--ink);padding-top:14px}
.x-moves h3{font:600 17px/1.3 var(--sans);margin:0 0 6px}
.x-moves p{margin:0;font-size:14px;color:var(--muted)}
.x-next{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:20px;margin-block:56px 72px;padding:clamp(24px,3vw,36px) 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}
.x-next small{display:block;margin-bottom:10px;font:600 11px/1 var(--sans);letter-spacing:2.2px;text-transform:uppercase;color:var(--muted)}
.x-next b{display:inline-block;color:#2b2a27;font:500 clamp(22px,2.6vw,34px)/1.15 var(--sans);letter-spacing:-.03em;transition:translate .5s cubic-bezier(.2,.8,.2,1)}
.x-next>span{display:grid;place-items:center;width:48px;aspect-ratio:1;border-radius:50%;background:var(--yellow);font-size:18px;transition:rotate .5s cubic-bezier(.2,.8,.2,1),scale .5s cubic-bezier(.2,.8,.2,1)}
.x-next .thumb{position:absolute;right:clamp(90px,10vw,130px);top:0;z-index:2;width:clamp(170px,18vw,240px);aspect-ratio:4/3;object-fit:cover;border-radius:14px;box-shadow:0 24px 50px -20px #20202066;opacity:0;translate:0 -40%;rotate:6deg;scale:.85;pointer-events:none;transition:opacity .35s,translate .6s cubic-bezier(.2,.8,.2,1),rotate .6s cubic-bezier(.2,.8,.2,1),scale .6s cubic-bezier(.2,.8,.2,1)}
.x-next:hover b,.x-next:focus-visible b{translate:12px 0}
.x-next:hover>span,.x-next:focus-visible>span{rotate:-45deg;scale:1.08}
.x-next:hover .thumb,.x-next:focus-visible .thumb{opacity:1;translate:0 -60%;rotate:-3deg;scale:1}
@media (hover:none),(max-width:700px){.x-next .thumb{display:none}}
.section-title{font:500 clamp(24px,2.6vw,32px)/1.1 var(--sans);letter-spacing:-.02em;margin:56px 0 18px}

/* phone frame used by the "what if" prototypes */
.phone{position:relative;width:340px;max-width:100%;flex:none;aspect-ratio:9/18.5;border-radius:44px;background:#111;padding:10px;box-shadow:0 30px 60px -20px #0000004d,0 0 0 1px #0000000d}
.phone-screen{position:relative;width:100%;height:100%;border-radius:35px;overflow:hidden;background:#fff}
.phone-screen::before{content:'';position:absolute;z-index:20;top:9px;left:50%;translate:-50% 0;width:96px;height:26px;border-radius:20px;background:#111}
.statusbar{position:relative;z-index:15;display:flex;justify-content:space-between;padding:14px 26px 0;font:600 13px/1 var(--sans)}

/* reveal on scroll */
.rv{opacity:0;translate:0 30px;transition:opacity .8s cubic-bezier(.2,.7,.2,1) var(--d,0ms),translate .9s cubic-bezier(.2,.7,.2,1) var(--d,0ms)}
.rv.in{opacity:1;translate:0 0}

@media (max-width:860px){
  .row{grid-template-columns:1fr}
  .row-head{position:static}
  .x-problem,.x-moves{grid-template-columns:1fr}
}
@media (max-width:560px){
  .tiles{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;translate:none}}

/* headings: same word-by-word rise and hand-drawn yellow swoosh as the homepage */
.play-hero h1 em,.x-hero h1 em,.row-head h2 em,.pr-sec>h2 em,.study-copy h2 em{position:relative;display:inline-block}
.split-w{display:inline-block;overflow:hidden;vertical-align:top;padding:0 .08em .12em 0;margin-right:-.08em}
.split-w>span{display:inline-block;translate:0 110%;rotate:6deg;transform-origin:0 100%;transition:translate .9s cubic-bezier(.2,.8,.2,1) var(--wd,0ms),rotate .9s cubic-bezier(.2,.8,.2,1) var(--wd,0ms)}
.words-in .split-w>span{translate:0 0;rotate:0deg}
.title-swoosh{position:absolute;left:0;right:.1em;bottom:-.05em;width:100%;height:.28em;overflow:visible;pointer-events:none}
.title-swoosh path{fill:none;stroke:#FFD60A;stroke-width:5;stroke-linecap:round;stroke-dasharray:310;stroke-dashoffset:310;opacity:.55;transition:stroke-dashoffset .9s cubic-bezier(.6,0,.2,1) var(--sd,0ms)}
.words-in .title-swoosh path{stroke-dashoffset:0}
@media (prefers-reduced-motion:reduce){.split-w>span{translate:none;rotate:none;transition:none!important}.title-swoosh path{stroke-dashoffset:0}}

/* ===== product pages: the case study uses the portfolio's own type and colour;
   only the prototype inside .stage wears the product's brand (--b-* vars set per page) ===== */
.prod .stage{--sans:var(--b-body);--ink:var(--b-ink,#202020);--yellow:var(--b-accent);font-family:var(--b-body);color:var(--ink);background:var(--soft);border-radius:clamp(22px,3vw,36px)}
.pr-hero-in{width:min(1180px,100%);margin:0 auto;padding:clamp(32px,6vw,72px) max(16px,5vw) 0;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(24px,4vw,64px);align-items:center}
.pr-copy{display:grid;gap:18px;justify-items:start}
.pr-brand{display:inline-flex;align-items:center;gap:10px;font:600 15px/1 var(--sans);color:var(--muted)}
.pr-brand svg{width:30px;height:30px;flex:none}
.pr-hero h1{font:500 clamp(40px,5vw,68px)/1.02 var(--sans);letter-spacing:-.04em;margin:0;text-wrap:balance}
.pr-hero h1 em{position:relative;display:inline-block;font-style:italic;color:var(--yellow)}
.pr-hero .lede{margin:0;font-size:clamp(16px,1.4vw,19px);line-height:1.55;color:#3d3b37;max-width:520px}
.pr-cta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.pr-btn{display:inline-flex;align-items:center;gap:8px;background:var(--yellow);color:var(--ink);text-decoration:none;font-weight:600;font-size:15px;padding:13px 20px;border-radius:40px;transition:translate .25s,box-shadow .25s}
.pr-btn:hover{translate:0 -2px;box-shadow:0 10px 24px -12px #20202066}
.pr-chip{font-size:13px;font-weight:500;padding:8px 13px;border-radius:40px;border:1px solid var(--line);color:var(--muted)}
.pr-meta{display:grid;grid-template-columns:repeat(4,minmax(0,auto));gap:10px 28px;margin:8px 0 0;padding-top:20px;border-top:1px solid var(--line);width:100%}
.pr-meta dt{font-size:11px;letter-spacing:1.6px;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.pr-meta dd{margin:0;font-size:14px;font-weight:500}
.pr-shot{position:relative;border-radius:24px;overflow:hidden;box-shadow:0 30px 60px -30px #20202066;aspect-ratio:4/3}
.pr-shot img{width:100%;height:100%;object-fit:cover}
.pr-shot.pr-mock{box-shadow:none;border-radius:0;overflow:visible;aspect-ratio:auto;justify-self:center}
.pr-shot.pr-mock img{object-fit:contain;width:auto;height:min(620px,72vh);scale:1;translate:none}
.pr-sec{padding-top:clamp(56px,7vw,96px)}
.pr-label{display:block;font:600 11px/1 var(--sans);letter-spacing:2.2px;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.pr-sec>h2{font:500 clamp(28px,3.4vw,44px)/1.08 var(--sans);letter-spacing:-.03em;margin:0 0 24px;max-width:760px;text-wrap:balance}
.prod .x-problem{margin:0;counter-reset:pb}
.prod .x-problem div{border-radius:20px;padding:22px}
.prod .x-problem div::before{content:counter(pb,decimal-leading-zero);counter-increment:pb;display:inline-block;font:600 13px/1 var(--sans);background:var(--yellow);border-radius:20px;padding:6px 10px;margin-bottom:16px}
.prod .x-problem b{font-size:17px}
.prod .x-moves{margin-top:0}
.prod .x-moves article{position:relative;border-top:1px solid var(--line);padding-top:22px}
.prod .x-moves article::before{content:'';position:absolute;left:0;top:-2px;width:36px;height:3px;border-radius:3px;background:var(--yellow)}
.prod .x-moves h3{font-weight:500;color:#3a3936}
.prod .x-moves p{color:#7a776f}
.prod .pr-sec>h2{color:#2b2a27}
.prod .x-next{margin-top:clamp(64px,8vw,110px)}
.prod .unofficial{margin:0}
.prod .stage-note{margin-top:16px}
@media (max-width:960px){.pr-hero-in{grid-template-columns:minmax(0,1fr)}.pr-meta{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* scroll-linked tiles and shots: grow in and drift as they pass (--p: 0 entering → 1 centred) */
.tile-media,.pr-shot{scale:calc(.92 + .08 * var(--p,1));transition:scale .1s linear}
.tile-media img,.tile-media video,.pr-shot img{translate:0 calc((1 - var(--p,1)) * 26px);scale:1.06}
.tile:hover .tile-media img,.tile:hover .tile-media video{scale:1.1}
@media (prefers-reduced-motion:reduce){.tile-media,.pr-shot{scale:1}.tile-media img,.pr-shot img{translate:none;scale:1}}

/* thin, quiet scrollbars inside the prototypes */
.phone-screen *,.stage .log{scrollbar-width:thin;scrollbar-color:#20202026 transparent}
.phone-screen ::-webkit-scrollbar,.stage .log::-webkit-scrollbar{width:3px;height:3px}
.phone-screen ::-webkit-scrollbar-thumb,.stage .log::-webkit-scrollbar-thumb{background:#20202026;border-radius:3px}
.phone-screen ::-webkit-scrollbar-track,.stage .log::-webkit-scrollbar-track{background:transparent}

/* controls beside a prototype belong to the case study, so they use the portfolio type */
.prod .db-side,.prod .bs-side{--sans:'General Sans','DM Sans',system-ui,sans-serif;--ink:#202020;--yellow:#FFD60A;font-family:var(--sans);color:var(--ink)}
.prod .db-side button,.prod .bs-side button{font-family:var(--sans)}

/* living icons: every little glyph on the brain dump pages moves a bit */
.kicker i{display:inline-block;will-change:transform}
.ico-spin{animation:icoSpin 7s linear infinite}
.ico-twinkle{animation:icoTwinkle 2.6s ease-in-out infinite}
.ico-arrow{animation:icoArrow 2.2s ease-in-out infinite}
@keyframes icoSpin{to{rotate:360deg}}
@keyframes icoTwinkle{0%,100%{scale:1;rotate:0deg;opacity:1}50%{scale:1.35;rotate:20deg;opacity:.7}}
@keyframes icoArrow{0%,100%{translate:0 0}50%{translate:2px -2px}}
.study-copy li::before{display:inline-block;animation:icoSpin 8s linear infinite}
.study-copy li:nth-child(2)::before{animation-duration:10s;animation-direction:reverse}
.pr-btn span{display:inline-block;animation:icoDown 1.6s ease-in-out infinite}
@keyframes icoDown{0%,100%{translate:0 -1px}50%{translate:0 3px}}
.x-back{display:inline-block}
.x-back:hover{animation:icoBack .7s ease-in-out infinite}
@keyframes icoBack{50%{translate:-4px 0}}
.x-next>span{animation:icoNext 2.4s ease-in-out infinite}
.x-next:hover>span{animation:none}
@keyframes icoNext{0%,100%{translate:0 0}50%{translate:4px 0}}
.pr-brand svg{animation:icoFloat 3.2s ease-in-out infinite}
@keyframes icoFloat{0%,100%{translate:0 0;rotate:0deg}50%{translate:0 -3px;rotate:-6deg}}
.tile h3::after{transition:.3s}
@media (prefers-reduced-motion:reduce){.kicker i,.study-copy li::before,.pr-btn span,.x-next>span,.pr-brand svg{animation:none!important}}

/* cover mode (?cover): shows only the element marked data-cover, centred, for recording tile previews */
body.cover-mode{background:var(--cover-bg,#f6f5f2)!important}
body.cover-mode *{visibility:hidden}
body.cover-mode [data-cover],body.cover-mode [data-cover] *{visibility:visible}
body.cover-mode [data-cover]{position:fixed!important;inset:0;margin:auto!important;width:var(--cover-w,80vw)!important;max-width:none!important;height:fit-content;z-index:999;translate:none!important;opacity:1!important}
body.cover-mode .tb-hint{display:none}

/* archive row: three fanned screens that spread on hover */
.arc-fan{display:grid;place-items:center;background:#f3efe6}
.tile .arc-fan img{position:absolute;width:42%;height:auto;top:50%;left:50%;object-fit:contain;scale:1;filter:drop-shadow(0 18px 24px #2020202e);transition:translate .6s cubic-bezier(.2,.8,.2,1),rotate .6s cubic-bezier(.2,.8,.2,1)}
.tile .arc-fan img:nth-child(1){translate:-110% -50%;rotate:-8deg}
.tile .arc-fan img:nth-child(2){translate:-50% -54%;rotate:0deg;z-index:2}
.tile .arc-fan img:nth-child(3){translate:10% -50%;rotate:8deg}
.tile:hover .arc-fan img:nth-child(1){translate:-122% -52%;rotate:-12deg}
.tile:hover .arc-fan img:nth-child(3){translate:22% -52%;rotate:12deg}
.tile:hover .arc-fan img:nth-child(2){translate:-50% -60%}
@media (max-width:420px){.p-nav nav{gap:8px}.p-nav nav a{font-size:12px}.p-logo{font-size:30px}}
@media (max-width:370px){.p-nav nav{gap:6px}.p-nav nav a{font-size:11.5px}.p-logo{font-size:28px}}
/* kicker icons in the homepage yellow */
.kicker i{color:#FFD60A;text-shadow:0 0 1px #c9a400}