/* Tech, Explained: styles. Ported from reference/site-template.html (the current look).
   Layout: ingrid header, a slim band in the world's colour, breadcrumb, heading, then diagram and text.
   One deliberate light look, like the v8 storyboards. */
:root{
  --cream:#FFFDF7; --ink:#141414; --paper:#FFFFFF; --sand:#F5F1E6; --line:#D9D2C1; --muted:#5C574D;
  --saffron:#FFC83D; --world:#A6EBC0;
  --green:#141414; --green-bg:#A6EBC0; --violet:#4B3BC4; --violet-bg:#E7E2FF; --amber:#A86A12;
  --display:"Bricolage Grotesque","Instrument Sans",system-ui,sans-serif; --body:"Instrument Sans",system-ui,sans-serif; --mono:"Instrument Sans",system-ui,sans-serif;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--body);font-size:15.5px;line-height:1.6}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--ink)}
figure{margin:0}
.skip{position:absolute;left:8px;top:-60px;z-index:50;background:var(--ink);color:var(--cream);padding:8px 14px;border-radius:999px;font-weight:600;text-decoration:none}
.skip:focus{top:8px}

/* the note above the site footer */
.foot{border-top:3px solid var(--ink);margin-top:8px;background:var(--sand)}
.foot-in{max-width:1280px;margin:0 auto;padding:18px max(16px,env(safe-area-inset-right,0px)) 24px max(16px,env(safe-area-inset-left,0px));font-size:13.5px;color:var(--muted)}

/* world band */
.tband{background:var(--world);border-bottom:3px solid var(--ink)}
.band-in{max-width:1280px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:9px;display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center;font-size:13.5px;font-weight:600}
.band-in .te{font-family:var(--display);font-weight:800;font-size:15px}
.wrap{max-width:1280px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:18px 56px;display:grid;gap:16px}

/* breadcrumb */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:4px 6px;font-size:13.5px;font-weight:600}
.crumbs a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.crumbs .sep{color:var(--muted)}

/* heading */
.page{display:grid;gap:26px;align-items:start}
.figcol{display:grid;gap:10px;min-width:0}
.below{display:grid;grid-template-columns:minmax(0,720px) minmax(0,1fr);gap:48px;align-items:start}.below .scol{display:grid;gap:18px;min-width:0}
@media (max-width:1000px){.below{grid-template-columns:minmax(0,1fr)}}
.head{display:grid;gap:4px}
.kind{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
h1{font-family:var(--display);font-weight:800;font-size:clamp(30px,4.4vw,48px);line-height:1.02;letter-spacing:-.025em;margin:0;text-wrap:balance}
h1:focus{outline:none}
.tagline{font-size:18px;font-weight:500;color:var(--muted);margin:2px 0 0}

/* diagram frame. Three drawings are in the page; one is shown, by screen width. */
.stage{position:relative;background:var(--paper);border:3px solid var(--ink);border-radius:18px;box-shadow:6px 6px 0 var(--ink);padding:14px;min-width:0;overflow:hidden}
.stage .dia{display:none;width:100%;height:auto}
.stage .dia-narrow{display:block}
@media (min-width:660px){.stage .dia-narrow{display:none}.stage .dia-mid{display:block}}
@media (min-width:1100px){.stage .dia-mid{display:none}.stage .dia-wide{display:block}}
.stage .cap{font-size:13px;color:var(--muted);margin:10px 4px 0}
.scenechip{min-height:0}
.scenechip a{display:inline-block;font:600 13px var(--body);background:var(--sand);color:var(--ink);border:1.6px solid var(--ink);border-radius:999px;padding:4px 12px;margin:0 0 8px;text-decoration:none}
.scenechip a:hover{background:var(--saffron)}

/* diagram shapes */
.n-box{fill:var(--sand);stroke:var(--line);stroke-width:1.2}
.n-open{fill:var(--paper);stroke:var(--ink);stroke-width:2.2}
.n-lat{fill:var(--paper);stroke:var(--ink);stroke-width:1.6;stroke-dasharray:6 4}
.n-sib{fill:var(--sand);stroke:var(--ink);stroke-width:1.6}
.n-self{fill:var(--world);stroke:var(--ink);stroke-width:2.2}
.n-concept{fill:var(--violet-bg);stroke:var(--ink);stroke-width:1.4}
.n-step{fill:var(--ink)}
.n-chip{fill:var(--paper);stroke:var(--ink);stroke-width:1.3}
.t{fill:var(--ink);font-family:var(--body);font-size:13px}
.t-b{fill:var(--ink);font-family:var(--body);font-size:14px;font-weight:700}
.t-s{fill:var(--muted);font-family:var(--body);font-size:11.5px;font-weight:500}
.t-step{fill:var(--cream);font-family:var(--body);font-size:12.5px;font-weight:700}
.t-c{fill:var(--ink);font-family:var(--body);font-size:12px;font-weight:600}
.t-chip{fill:var(--ink);font-family:var(--body);font-size:11.5px;font-weight:600}
.t-tag{fill:var(--muted);font-family:var(--body);font-size:9.5px;font-weight:700;letter-spacing:.08em}
.t-g{fill:var(--ink);font-family:var(--body);font-size:13px;font-weight:700}
.a{stroke:var(--ink);stroke-width:1.4;fill:none}
.a-strong{stroke:var(--ink);stroke-width:2;fill:none}
.a-lbl{fill:var(--muted);font-family:var(--body);font-size:11px;font-weight:500;font-style:italic}
.band-z{fill:var(--sand);stroke:var(--ink);stroke-width:1.6}
.band-open{fill:var(--paper);stroke:var(--ink);stroke-width:2.4}

/* links inside the diagram: real <a> elements, with a hover state and a visible focus outline */
.stage svg a{cursor:pointer;text-decoration:none;color:inherit;outline:none}
.g-open:hover .n-open{fill:var(--world)}
.g-open:hover .band-z{fill:var(--world)}
.g-lat:hover .n-lat,.g-lat:hover .n-sib{fill:#FFF3CF}
.g-c:hover .n-concept{fill:#D6CEFF}
.stage svg a:hover rect{stroke-width:3}
.stage svg a:focus-visible{outline:3px solid var(--ink);outline-offset:3px;border-radius:6px}
.g-open:focus-visible .n-open,.g-open:focus-visible .band-z{fill:var(--world);stroke-width:3.5}
.g-lat:focus-visible .n-lat,.g-lat:focus-visible .n-sib{fill:#FFF3CF;stroke-width:3.5}
.g-c:focus-visible .n-concept{fill:#D6CEFF;stroke-width:3.5}

/* text column */
.text{min-width:0}
.prose p{margin:0 0 14px;max-width:70ch;font-size:17px;line-height:1.62}
.prose a{color:var(--ink);text-decoration:none;border-bottom:2.5px solid var(--ink);font-weight:500}
.prose a:hover{background:var(--saffron)}
.prose a.c{border-bottom-color:var(--violet)}
.prose a.lat{border-bottom:2px dashed var(--ink)}
abbr.gl{text-decoration:none;border-bottom:2px dotted var(--muted);cursor:help}
.block{display:grid;gap:8px}
.block h2,.career h2{margin:0;font-family:var(--body);font-size:12px;line-height:1.6;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:700}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{display:inline-block;font:inherit;font-size:13.5px;font-weight:600;border-radius:12px;padding:5px 11px;text-align:left;background:var(--paper);color:var(--ink);border:1.5px solid var(--ink);text-decoration:none;line-height:1.5}
a.chip:hover{background:var(--saffron)}
.chip.lat{border-style:dashed}
.chip.sib{background:var(--sand)}
.chip.open{border-width:2px;box-shadow:3px 3px 0 var(--ink)}
.chip.c{background:var(--violet-bg)}
.chip.co{cursor:default;border-radius:999px;font-size:13px;padding:3px 11px}
a.chip.co{cursor:pointer;position:relative}
a.chip.co::after{content:"";position:absolute;inset:-3px}
a.chip.co:hover{background:#FFF3CF}
a.chip.co:focus-visible{outline:3px solid var(--ink);outline-offset:2px}
.co-hit{fill:transparent}
.g-co{cursor:pointer}
.g-co:hover .n-chip,.g-co:focus-visible .n-chip{fill:#FFF3CF}
.chip small{display:block;font-size:11.5px;font-weight:500;color:var(--muted)}
.dom{display:grid;gap:5px}
.dom b{font-size:13px}
.ex{list-style:none;margin:0;padding:0;display:grid;gap:10px}.ex li{display:grid;gap:3px;justify-items:start}.ex li span{font-size:14px;color:var(--ink);line-height:1.45}
.career{border-top:2px solid var(--ink);padding-top:12px;font-size:14px;color:var(--muted);display:grid;gap:6px}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:12.5px;color:var(--muted);align-items:center;font-weight:500}
.legend svg{width:30px;height:18px;vertical-align:middle}

/* preview card (client script): shown before leaving for another scene or a concept */
.g-sel .n-lat,.g-sel .n-sib{fill:var(--saffron)}
.g-sel .n-concept{fill:#C9BFFF}
.peek{position:absolute;left:0;top:0;box-sizing:border-box;width:min(300px,calc(100vw - 32px));background:var(--paper);border:3px solid var(--ink);border-radius:16px;box-shadow:5px 5px 0 var(--ink);padding:14px 16px;z-index:20;display:grid;gap:6px}
@keyframes peekFade{from{opacity:0}}
@media (prefers-reduced-motion:no-preference){.peek{animation:peekFade .15s ease-out}}
.peek .pk{font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.peek h2{margin:0;font-family:var(--display);font-weight:800;font-size:21px;line-height:1.1}
.peek p{margin:0;color:var(--muted);font-size:14px}
.peek .row{display:flex;gap:8px;align-items:center;margin-top:4px}
.peek .go{font:inherit;font-weight:700;font-size:14px;background:var(--ink);color:var(--cream);border:0;border-radius:999px;padding:8px 16px;cursor:pointer;text-decoration:none}
.peek .x{font:inherit;font-size:13px;font-weight:600;background:transparent;border:1.5px solid var(--ink);border-radius:999px;padding:6px 12px;cursor:pointer;color:var(--ink)}
.peek .psc{font-size:13px;font-weight:600;color:var(--ink);border-bottom:1.5px solid var(--ink);justify-self:start;margin-top:2px;text-decoration:none}
/* the morph (src/tech.js): temporary classes, removed when it ends */
.morphing{overflow-x:clip}
main.morph-in{position:relative;z-index:70}
main.morph-in .stage,main.morph-in .stage svg.dia{overflow:visible}
.morph-move{transform-box:fill-box;transform-origin:0 0}

/* screen-reader only text, and the focus target of the page change */
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
main:focus{outline:none}

/* focus for everything else */
button:focus-visible,.chip:focus-visible,a:focus-visible,abbr:focus-visible{outline:3px solid var(--saffron);outline-offset:2px}
.scenechip a:focus-visible,.prose a:focus-visible{outline-color:var(--ink)}

/* plain pages (404, local home) */
.plain-list{margin:0;padding-left:20px;display:grid;gap:6px;font-size:17px}
.plain-list a,.prose-p a{color:var(--ink);font-weight:600}