/* The business card page at /c. Standalone: the palette, type and the few shared rules it needs (.btn, .clink,
   .top, .foot, focus ring) are copied from /styles.css with the same values, so the page does not load its 45 KB. */
:root{--paper:#F2F0EA;--surface:#FBFAF7;--ink:#1A1916;--ink2:#45423C;--ink3:#66625A;--line:#CFCABF;--rule:#E3DFD6;
  --sans:'Switzer',ui-sans-serif,system-ui,-apple-system,sans-serif;--mono:'Martian Mono',ui-monospace,'SF Mono',Menlo,monospace}
*{box-sizing:border-box;margin:0}
html{-webkit-text-size-adjust:100%;background:var(--paper);-webkit-tap-highlight-color:transparent}
body{font:16px/1.5 var(--sans);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;min-height:100dvh}
a{color:inherit;text-underline-offset:3px;text-decoration-thickness:1px}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
a,button{touch-action:manipulation}
button,.btn,.clink{user-select:none;-webkit-user-select:none}
img{max-width:100%}
ul{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:3px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.btn{display:inline-flex;flex-direction:column;justify-content:center;gap:1px;min-height:56px;padding:8px 18px;border:1.5px solid var(--ink);border-radius:2px;text-decoration:none;background:var(--surface);transition:background-color .15s,color .15s}
.btn.primary{background:var(--ink);color:var(--surface)}
.btn.small{min-height:44px;padding:0 14px;flex-direction:row;align-items:center;gap:6px;font-size:15px;font-weight:500;border-width:1px}
.btn:active{transform:translateY(1px)}
@media (hover:hover) and (pointer:fine){.btn:hover{background:var(--rule)}.btn.primary:hover{background:#34322D}}
.top{display:flex;align-items:center;gap:16px;padding:0 max(16px,env(safe-area-inset-right)) 0 max(16px,env(safe-area-inset-left));border-bottom:1px solid var(--line);background:var(--paper)}
.clink{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:0 4px;font:500 11px/1 var(--mono);font-stretch:87.5%;text-transform:uppercase;letter-spacing:.06em;color:var(--ink3);text-decoration:none;white-space:nowrap}
@media (hover:hover) and (pointer:fine){.clink:hover{color:var(--ink);text-decoration:underline}}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 20px;padding:18px 0 max(18px,env(safe-area-inset-bottom));border-top:1px solid var(--line);font-size:14px;color:var(--ink3)}

/* ---- the page */
.cardpage{max-width:1180px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;padding:16px max(20px,env(safe-area-inset-right)) 0 max(20px,env(safe-area-inset-left))}
.cardpage .top{justify-content:space-between;min-height:44px}
.card-grid{display:grid;gap:20px;align-content:start;flex:1;padding-top:8px}
.card-grid h1{font-size:28px;font-weight:700;letter-spacing:-.025em;line-height:1.15;margin:0}
.card-grid .sub{margin:4px 0 0;color:var(--ink2);font:400 14px/1.6 var(--mono);font-stretch:87.5%}

/* the stage: the 3D canvas. Until its first frame a card-shaped placeholder holds the space. */
.stage{position:relative;width:100%;max-width:calc((100dvh - 120px) * 85 / 60);margin-inline:auto;aspect-ratio:85/60;touch-action:pan-y;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;cursor:grab;border-radius:6px}
.stage:focus-visible{outline:2px solid var(--ink);outline-offset:-2px}
.stage::before{content:"";position:absolute;left:50%;top:50%;width:89%;aspect-ratio:85/54;transform:translate(-50%,-50%);border-radius:3.5%/5.6%;
  background:linear-gradient(#fff 0 14.8%,#111 14.8%)}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;opacity:0;transition:opacity .25s}
.stage.is-3d canvas{opacity:1}
.stage.is-3d::before,.stage .face{display:none}
.stage-ctl{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.stage-ctl .btn{flex:1 1 auto;justify-content:center;text-align:center}
.hint{margin:10px 0 0;font-size:14px;color:var(--ink3)}
.hint.flat{display:none}
/* card-page: the hint sits directly under the card it describes, the print links are centred under the buttons with a clear gap,
   and the back link starts at the left margin like the rule under it. */
.card-grid>section:first-child{display:flex;flex-direction:column}
.card-grid .hint{order:1;margin:8px 0 0}
.stage-ctl{order:2}
.more.print{order:3;margin-top:28px}
.cardpage .top{padding-inline:0}
.cardpage .top .clink{padding-left:0}
@media (min-width:900px){.more.print{text-align:center}.more.print ul{justify-content:center}}

/* flat: both faces as pictures, the front's printed lines tappable, no stage controls */
html.flat .stage{max-width:none;aspect-ratio:auto;display:grid;gap:14px;cursor:default;touch-action:auto}
html.flat .stage::before,html.flat .stage canvas,html.flat #flip,html.flat .hint{display:none}
html.flat .stage .face{display:block;position:relative}
html.flat .stage .face img{display:block;width:100%;height:auto}
html.flat .hint.flat{display:block}
.hit{position:absolute;display:block;border-radius:3px}
@media (hover:hover) and (pointer:fine){.hit:hover{outline:1.5px solid #f5a623;outline-offset:1px}}

/* the card's own lines as a list of links */
.lines{margin:4px 0 0;border-top:1px solid var(--rule)}
.lines a{display:flex;align-items:center;gap:16px;min-height:48px;padding:4px 0;border-bottom:1px solid var(--rule);text-decoration:none;font:500 15px/1.4 var(--mono);font-stretch:87.5%;overflow-wrap:anywhere}
.lines a span{flex:0 0 64px;color:var(--ink3);font-weight:400}
.lines a b{font-weight:500;text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px}
@media (hover:hover) and (pointer:fine){.lines a:hover b{text-decoration-color:var(--ink)}}
.lines a:focus-visible{outline-offset:-2px}
.more{margin-top:22px}
.more h2{font:600 12px/1 var(--mono);font-stretch:87.5%;text-transform:uppercase;letter-spacing:.08em;color:var(--ink3);margin:0 0 6px}
.more ul{display:flex;flex-wrap:wrap;gap:0 18px}
.print{margin-top:14px}
.more a{display:inline-flex;align-items:center;min-height:44px;font-size:15px;text-decoration-color:var(--line)}
@media (hover:hover) and (pointer:fine){.more a:hover{text-decoration-color:var(--ink)}}
.cardpage .foot{margin-top:32px}
.foot ul{display:flex;gap:18px}

@media (min-width:900px){
  .cardpage{padding-top:24px}
  .card-grid{grid-template-columns:minmax(0,7fr) minmax(320px,4fr);gap:64px;align-items:center}
  .card-grid h1{font-size:34px}
  .stage{aspect-ratio:85/58}
  .stage-ctl{justify-content:center}
  .stage-ctl .btn{flex:0 0 auto;padding:0 20px}
  .hint{text-align:center}
  html.flat .stage{grid-template-columns:1fr 1fr;align-items:start}
  .cardpage .foot{margin-top:48px}
}