@font-face{font-family:'Big Shoulders Display';src:url('/fonts/big-shoulders-display-latin.woff2') format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:'Public Sans';src:url('/fonts/public-sans-latin.woff2') format('woff2');font-weight:100 900;font-display:swap}
@font-face{font-family:'Public Sans';src:url('/fonts/public-sans-italic-latin.woff2') format('woff2');font-weight:100 900;font-style:italic;font-display:swap}

/* Two printing inks carry every piece of chrome: ultramarine and cancel black.
   App icons are the only other colour; postal yellow marks focus and selection. */
:root{
  --ultra:#22308f;--ultra-deep:#18226c;--ultra-rule:#4b57b4;--ultra-soft:#c9cff5;
  --paper:#f6f7f4;--paper-rule:#cdd2e6;--ink-2:#3b4270;--cancel:#121317;--yellow:#f2c230;
  --display:'Big Shoulders Display','Arial Narrow',sans-serif;
  --text:'Public Sans',system-ui,sans-serif;
  --gutter:clamp(16px,4vw,56px);
  --perf-r:3.6px;--perf-g:12px;
  --ease:cubic-bezier(.16,1,.3,1);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scrollbar-color:var(--ultra-soft) var(--ultra-deep);caret-color:var(--yellow)}
body{margin:0;background:var(--ultra);color:var(--paper);font:400 1rem/1.6 var(--text);-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.22em}
::selection{background:var(--yellow);color:var(--cancel)}
:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}
h1,h2,h3,p,dl,dd,figure{margin:0}
h1,h2,h3{text-wrap:balance}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:20;background:var(--yellow);color:var(--cancel);padding:10px 16px;font-weight:650}
.skip:focus{top:12px}
.arrow{width:1.1em;height:1.1em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:square}

/* Masthead: the sheet's top selvage carried across the whole site. */
.masthead{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px 28px;padding:16px var(--gutter);border-bottom:1px solid var(--ultra-rule)}
.mark,.footer-mark{font:850 30px/1 var(--display);letter-spacing:.05em;text-decoration:none;color:var(--paper)}
.mark span,.footer-mark span{color:var(--ultra-soft)}
.issue-line{font:650 15px/1.3 var(--display);letter-spacing:.05em;color:var(--ultra-soft)}
.masthead nav{display:flex;gap:26px}
.masthead nav a{font:600 14px/1 var(--text);text-decoration:none;padding:8px 0}
.masthead nav a:hover,.masthead nav a[aria-current]{text-decoration:underline}

/* The sheet. Stamps abut; each paints half a perforation hole in the ground
   colour on every edge, so neighbours complete each other's holes. */
.sheet-wrap{overflow-x:clip;padding:clamp(14px,2.4vw,34px) var(--gutter) clamp(48px,6vw,84px)}
.sheet{position:relative;max-width:1260px;margin:0 auto;background:var(--paper);color:var(--cancel);padding:0 clamp(26px,3.2vw,48px);box-shadow:0 26px 48px -26px #00000080,0 2px 3px -1px #00000040}
.selvage-top{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:20px 0 16px}
.selvage-top h1{font:800 clamp(21px,2.2vw,30px)/1.05 var(--display);letter-spacing:.035em;color:var(--ultra)}
.selvage-top h1 span{color:var(--cancel)}
.plate{font:650 12px/1.3 var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--ultra);text-align:right}
.selvage-side{position:absolute;top:50%;left:clamp(6px,.9vw,14px);transform:translateY(-50%) rotate(180deg);writing-mode:vertical-rl;font:700 11px/1 var(--display);letter-spacing:.32em;text-transform:uppercase;color:var(--ultra)}
.selvage-side.right{left:auto;right:clamp(6px,.9vw,14px);transform:translateY(-50%)}
.selvage-bottom{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:16px 0 18px}
.colour-bar{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(var(--count,21),minmax(0,1fr));gap:3px;flex:1;max-width:620px}
.swatch{display:flex;flex-direction:column;gap:3px}
.swatch::before{content:"";height:13px;background:var(--app)}
.swatch span{font:700 11px/1 var(--display);letter-spacing:.06em;color:var(--ultra);text-align:center}
.plate-no{font:650 12px/1.3 var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--ultra);text-align:right}
.stamps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}
.stamps li{display:flex}

.stamp{--hole:radial-gradient(circle,var(--ultra) var(--perf-r),#0000 calc(var(--perf-r) + .6px));position:relative;display:block;flex:1;aspect-ratio:4/5;padding:calc(var(--perf-r) + 5px);text-decoration:none;color:var(--cancel);background-color:var(--paper);
  background-image:var(--hole),var(--hole),var(--hole),var(--hole);
  background-size:var(--perf-g) calc(var(--perf-r)*2),var(--perf-g) calc(var(--perf-r)*2),calc(var(--perf-r)*2) var(--perf-g),calc(var(--perf-r)*2) var(--perf-g);
  background-position:0 calc(var(--perf-r)*-1),0 calc(100% + var(--perf-r)),calc(var(--perf-r)*-1) 0,calc(100% + var(--perf-r)) 0;
  background-repeat:round no-repeat,round no-repeat,no-repeat round,no-repeat round;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.stamp-frame{position:relative;display:flex;flex-direction:column;align-items:center;height:100%;padding:7px 8px 7px;border:1px solid var(--ultra);outline:1px solid var(--ultra);outline-offset:-4px;
  background:repeating-linear-gradient(0deg,#22308f0f 0 1px,#0000 1px 3px)}
.stamp-head{display:flex;justify-content:space-between;align-items:baseline;width:100%;padding:2px 3px 0}
.stamp-no{font:820 clamp(19px,1.9vw,28px)/.9 var(--display);color:var(--ultra);font-variant-numeric:tabular-nums}
.stamp-issuer{font:750 11px/1 var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--ultra)}
.stamp-icon{width:42%;height:auto;aspect-ratio:1;margin-top:auto;border-radius:22.4%;background:var(--paper)}
.stamp-name{display:grid;place-items:center;min-height:2.6em;margin-top:6%;font:650 clamp(12px,1.04vw,15px)/1.3 var(--text);letter-spacing:-.01em;text-align:center;text-wrap:balance}
.stamp-foot{display:flex;flex-direction:column;align-items:center;gap:3px;width:100%;margin-top:auto;padding-top:6px;border-top:1px solid var(--paper-rule)}
.stamp-platforms{font:750 12px/1.1 var(--display);letter-spacing:.04em;color:var(--ultra)}
.stamp-dest{max-width:100%;overflow:hidden;font:400 11px/1.3 var(--text);color:var(--ink-2);text-overflow:ellipsis;white-space:nowrap}
.stamp-dest-short{display:none}

/* Postmark: hover and focus slam the dated cancellation down; a stamp you have
   opened before comes back cancelled. */
.postmark-ink{fill:var(--cancel);stroke:var(--cancel)}
.postmark-ink circle,.postmark-ink path{fill:none}
.postmark text{font-family:var(--display);stroke:none}
.postmark-ring-text{font-size:10.5px;font-weight:750;letter-spacing:1.2px}
.postmark-date{font-size:19px;font-weight:850}
.postmark-year{font-size:15px;font-weight:750}
.stamp-postmark{position:absolute;z-index:2;top:-3%;right:-46%;width:96%;pointer-events:none;opacity:0;mix-blend-mode:multiply;filter:url(#rubber);transform:rotate(var(--tilt)) scale(1.22);transform-origin:27% 50%;transition:opacity .1s linear,transform .2s var(--ease)}
a.stamp:hover,a.stamp:focus-visible{z-index:3;transform:translateY(-4px) rotate(-.5deg);box-shadow:0 14px 20px -12px #00000080}
a.stamp:focus-visible{outline-offset:2px}
a.stamp:hover .stamp-postmark,a.stamp:focus-visible .stamp-postmark,.stamp.is-cancelled .stamp-postmark,.stamp-large .stamp-postmark{opacity:.84;transform:rotate(var(--tilt)) scale(1)}
.stamp.is-cancelled .stamp-postmark{opacity:.62}
a.stamp:hover.is-cancelled .stamp-postmark{opacity:.84}

/* Quiet passage: the issue described as a catalogue entry. */
.issue{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:clamp(32px,6vw,96px);max-width:1260px;margin:0 auto;padding:clamp(56px,8vw,112px) var(--gutter) clamp(40px,5vw,72px)}
.issue h2,.catalogue h2,.help h2,.app-page h2{font:800 clamp(34px,4.4vw,60px)/.95 var(--display);letter-spacing:.01em;text-transform:uppercase}
.app-page h2{font-size:clamp(26px,2.8vw,40px)}
.issue-lead{margin-top:24px;max-width:46ch;font-size:clamp(17px,1.4vw,19px);line-height:1.7;color:var(--ultra-soft)}
.issue-lead strong{color:var(--paper);font-weight:600}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;align-self:start}
.facts div{padding:13px 0 12px;border-top:1px solid var(--ultra-rule)}
.facts dt{font:700 12px/1.2 var(--display);letter-spacing:.16em;text-transform:uppercase;color:var(--ultra-soft)}
.facts dd{margin-top:5px;font-size:16px;font-weight:550;font-variant-numeric:tabular-nums}

/* Dense passage: the full catalogue as a printed index. */
.catalogue{max-width:1260px;margin:0 auto;padding:clamp(40px,5vw,72px) var(--gutter)}
.catalogue-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;padding-bottom:26px}
.catalogue-head p{max-width:44ch;color:var(--ultra-soft)}
.index{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.index th,.index td{padding:11px 12px 11px 0;border-top:1px solid var(--ultra-rule);text-align:left;vertical-align:middle;font-weight:400}
.index thead th{padding-block:8px;border-top:2px solid var(--paper);font:700 12px/1.2 var(--display);letter-spacing:.16em;text-transform:uppercase;color:var(--ultra-soft)}
.index tbody tr:last-child>*{border-bottom:1px solid var(--ultra-rule)}
.index .num{width:52px;font:800 22px/1 var(--display);color:var(--ultra-soft)}
.index-app{display:flex;align-items:center;gap:14px;text-decoration:none}
.index-app img{width:40px;height:40px;border-radius:22.4%;flex:none}
.index-app strong{display:block;font-weight:650}
.index-app span span{display:block;font-size:13px;color:var(--ultra-soft)}
.index-app:hover strong{text-decoration:underline}
.index td{font-size:14.5px}
.index td a{display:inline-flex;align-items:center;gap:6px}
.index .muted{color:var(--ultra-soft)}

/* Paper passage: the help desk printed as a counter slip. */
.help{max-width:1260px;margin:clamp(40px,5vw,72px) auto 0;padding:0 var(--gutter)}
.slip{background:var(--paper);color:var(--cancel);padding:clamp(26px,4vw,52px);display:grid;grid-template-columns:minmax(0,.9fr) repeat(3,minmax(0,1fr));gap:clamp(24px,3vw,44px);
  background-image:radial-gradient(circle at 50% 0,var(--ultra) var(--perf-r),#0000 calc(var(--perf-r) + .6px)),radial-gradient(circle at 50% 100%,var(--ultra) var(--perf-r),#0000 calc(var(--perf-r) + .6px));
  background-size:var(--perf-g) calc(var(--perf-r)*2);background-position:0 0,0 100%;background-repeat:round no-repeat}
.slip h2{color:var(--ultra)}
.slip h3{font:800 20px/1.1 var(--display);letter-spacing:.06em;text-transform:uppercase;color:var(--ultra)}
.slip p{margin-top:10px;color:var(--ink-2);font-size:15px;line-height:1.65}
.slip a{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-weight:650;color:var(--ultra)}
.slip a+a{margin-top:8px}
.slip .stack{display:flex;flex-direction:column;align-items:flex-start}

.footer{max-width:1260px;margin:0 auto;padding:clamp(48px,6vw,80px) var(--gutter) 40px;display:grid;grid-template-columns:auto 1fr auto;gap:10px 28px;align-items:baseline;color:var(--ultra-soft);font-size:14px}
.footer nav{display:flex;flex-wrap:wrap;gap:8px 22px}
.footer nav a{text-decoration:none;color:var(--paper)}
.footer nav a:hover{text-decoration:underline}
.footer .legal{grid-column:1/-1;font-size:12px}

/* App pages. */
.app-page{max-width:1260px;margin:0 auto;padding:0 var(--gutter)}
.crumbs{display:flex;flex-wrap:wrap;gap:10px;padding:22px 0 0;font-size:13px;color:var(--ultra-soft)}
.crumbs a{color:var(--paper)}
.app-hero{display:grid;grid-template-columns:minmax(220px,360px) minmax(0,1fr);gap:clamp(32px,6vw,96px);align-items:start;padding:clamp(28px,4vw,56px) 0 clamp(44px,6vw,80px)}
.stamp-large{--perf-r:5px;--perf-g:16px;aspect-ratio:4/5;width:100%;view-transition-name:hero-stamp;box-shadow:0 24px 40px -24px #00000099}
.stamp-large .stamp-frame{padding:12px 14px 12px}
.stamp-large .stamp-no{font-size:44px}
.stamp-large .stamp-issuer{visibility:hidden}
.stamp-large .stamp-name{font-size:21px}
.stamp-large .stamp-platforms{font-size:15px}
.stamp-large .stamp-dest{font-size:12.5px}
.stamp-large .stamp-postmark{left:17%;right:auto;top:-6%;width:84%;transform-origin:73% 50%}
.app-hero h1{font:820 clamp(40px,5.2vw,76px)/.92 var(--display);letter-spacing:.005em;text-transform:uppercase}
.app-line{margin-top:16px;font:700 17px/1.3 var(--display);letter-spacing:.04em;color:var(--ultra-soft)}
.app-summary{margin-top:26px;max-width:62ch;font-size:clamp(16px,1.3vw,18px);line-height:1.7}
.app-summary p+p{margin-top:12px}
.source-note{margin-top:12px;font-size:13px;color:var(--ultra-soft)}
.app-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;margin-top:30px}
.button{display:inline-flex;align-items:center;gap:10px;padding:15px 24px;background:var(--paper);color:var(--ultra);font:650 16px/1 var(--text);text-decoration:none;
  background-image:radial-gradient(circle at 0 50%,var(--ultra) var(--perf-r),#0000 calc(var(--perf-r) + .6px)),radial-gradient(circle at 100% 50%,var(--ultra) var(--perf-r),#0000 calc(var(--perf-r) + .6px));
  background-size:calc(var(--perf-r)*2) var(--perf-g);background-position:0 0,100% 0;background-repeat:no-repeat round;transition:transform .2s var(--ease)}
.button:hover{transform:translateY(-2px)}
.badges{display:flex;align-items:center;gap:6px}
.badges a{display:block}
.badges .apple img{width:150px;height:50px}
.badges .google img{width:168px;height:65px}
.shots{padding-bottom:clamp(44px,6vw,80px)}
.shots h2{margin-bottom:24px}
.shot-strip{list-style:none;margin:0;padding:0 0 10px;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(180px,1fr);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory}
.shot-strip li{scroll-snap-align:start}
.shot-strip img{width:100%;height:auto;border-radius:14px;background:var(--ultra-deep)}
.entry{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.6fr);gap:clamp(24px,4vw,64px);background:var(--paper);color:var(--cancel);padding:clamp(26px,4vw,52px)}
.entry h2{color:var(--ultra)}
.entry .facts div{border-top-color:var(--paper-rule)}
.entry .facts dt{color:var(--ultra)}
.entry .facts dd a{color:var(--ultra)}
.app-help{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.6fr);gap:clamp(24px,4vw,64px);padding:clamp(44px,6vw,80px) 0}
.app-help p{max-width:60ch;font-size:17px;line-height:1.7;color:var(--ultra-soft)}
.app-help a{color:var(--paper);font-weight:600}
.neighbours{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;padding:28px 0 0;border-top:1px solid var(--ultra-rule)}
.neighbour{display:flex;align-items:center;gap:16px;text-decoration:none}
.neighbour.next{justify-content:flex-end;text-align:right}
.stamp-mini{--perf-r:2.6px;--perf-g:9px;flex:none;width:68px;padding:calc(var(--perf-r) + 3px)}
.stamp-mini .stamp-frame{padding:4px;outline-offset:-3px}
.stamp-mini .stamp-head{padding:0}
.stamp-mini .stamp-no{font-size:15px}
.stamp-mini .stamp-issuer,.stamp-mini .stamp-name,.stamp-mini .stamp-foot,.stamp-mini .stamp-postmark{display:none}
.stamp-mini .stamp-icon{width:70%;margin-block:auto}
.neighbour small{white-space:nowrap}
.neighbour small{display:block;font:700 12px/1.2 var(--display);letter-spacing:.16em;text-transform:uppercase;color:var(--ultra-soft)}
.neighbour strong{font:800 24px/1.05 var(--display);text-transform:uppercase}
.neighbour:hover strong{text-decoration:underline}
.all-apps{font:700 14px/1 var(--display);letter-spacing:.16em;text-transform:uppercase;text-decoration:none}
.all-apps:hover{text-decoration:underline}
.missing{max-width:720px;margin:0 auto;padding:clamp(64px,10vw,140px) var(--gutter)}
.missing h1{font:820 clamp(44px,7vw,92px)/.92 var(--display);text-transform:uppercase}
.missing p{margin-top:20px;font-size:18px;color:var(--ultra-soft)}
.missing .button{margin-top:28px}

/* The stamp travels between the sheet and its page. */
@view-transition{navigation:auto}
::view-transition-group(hero-stamp){animation-duration:.42s;animation-timing-function:var(--ease)}
::view-transition-old(root),::view-transition-new(root){animation-duration:.24s}

@media (max-width:1080px){
  .stamps{grid-template-columns:repeat(5,minmax(0,1fr))}
  .slip{grid-template-columns:repeat(3,minmax(0,1fr))}
  .slip>.stack:first-child{grid-column:1/-1}
  .index th:nth-child(3),.index td:nth-child(3){display:none}
}
@media (max-width:760px){
  :root{--perf-r:3px;--perf-g:10px}
  .masthead{grid-template-columns:1fr auto;padding-block:14px}
  .issue-line{grid-column:1/-1;order:3;font-size:13px}
  .masthead nav{gap:18px}
  .mark{font-size:26px}
  .sheet{padding:0 14px}
  .selvage-top{flex-direction:column;gap:4px;padding:16px 0 12px}
  .plate{text-align:left;font-size:11px}
  .selvage-side{display:none}
  .stamps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .stamp{padding:calc(var(--perf-r) + 3px)}
  .stamp-frame{padding:5px 5px 6px;outline-offset:-3px}
  .stamp-issuer{display:none}
  .stamp-name{font-size:12px;margin-top:5%;line-height:1.3}
  .stamp-sheet{aspect-ratio:3/4}
  .stamp-sheet .stamp-dest{display:none}
  .stamp-sheet .stamp-dest-short{display:block}
  .neighbour .dir{display:none}
  .stamp-platforms{font-size:11px}
  .selvage-bottom{flex-direction:column;align-items:stretch;gap:10px}
  .colour-bar{gap:2px}
  .swatch span{display:none}
  .plate-no{text-align:left}
  .issue,.entry,.app-help{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr}
  .catalogue-head{display:block}
  .catalogue-head p{margin-top:16px}
  .index thead{display:none}
  .index,.index tbody,.index tr,.index td,.index th{display:block}
  .index tr{display:grid;grid-template-columns:44px 1fr;gap:4px 10px;padding:14px 0;border-top:1px solid var(--ultra-rule)}
  .index tbody tr:last-child{border-bottom:1px solid var(--ultra-rule)}
  .index th,.index td{border:0;padding:0}
  .index tbody tr:last-child>*{border:0}
  .index .num{grid-row:1/span 3}
  .index td:nth-child(4),.index td:nth-child(5),.index td:nth-child(6){grid-column:2;font-size:13.5px}
  .index td:nth-child(4)::before{content:"Platforms: ";color:var(--ultra-soft)}
  .index td:nth-child(5)::before{content:"Latest release: ";color:var(--ultra-soft)}
  .slip{grid-template-columns:1fr}
  .footer{grid-template-columns:1fr}
  .app-hero{grid-template-columns:1fr}
  .app-hero-stamp{width:min(300px,78%);margin:0 auto}
  .shot-strip{grid-auto-columns:62%}
  .neighbours{grid-template-columns:1fr 1fr}
  .all-apps{grid-column:1/-1;grid-row:2;justify-self:center}
  .neighbour strong{font-size:19px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .stamp,.stamp-postmark,.button{transition:none}
  .stamp:hover,.stamp:focus-visible{transform:none}
  @view-transition{navigation:none}
}