/* Layout: два экрана с привязкой. Первый: живая топография и одна фраза, где цифры набраны точечным шрифтом;
   факты раскрываются тёмным листом, на котором точки собираются в скульптуру. Второй: доска, она наезжает поверх первого. */
:root{
  --paper:#E2E3DE; --ink:#0D0F17; --ink-2:#5A5D67; --line:rgba(13,15,23,.14);
  --accent:#2230F5; --accent-ink:#1B27D6; --on-accent:#FFFFFF;
  --night:#0B0E16; --chalk:#E4E7EE; --chalk-2:#9AA0AE; --night-accent:#8E98FF;
  --note-w:#FFFFFF; --note-b:#E3E6FF; --note-y:#FFF1B8; --mark:#FFD84D;
  --f-display:"Geologica","Helvetica Neue",Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --f-dot:"Doto","IBM Plex Mono",ui-monospace,monospace;
  --gut:clamp(16px,3.2vw,48px); --ease:cubic-bezier(.2,.8,.2,1);
}
@media (prefers-color-scheme: dark){:root{
  --paper:#0E121A; --ink:#E4E7EE; --ink-2:#9AA0AE; --line:rgba(228,231,238,.13);
  --accent:#3D4CFF; --accent-ink:#8E98FF; --note-w:#1B2130; --note-b:#1D2350; --note-y:#3A3418; color-scheme:dark}}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-snap-type:y mandatory}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.55 var(--f-display);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
::selection{background:var(--accent);color:var(--on-accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* two snapped screens; the hero stays put and the board slides over it */
.stage{position:relative;height:200vh;height:200svh}
.snap{position:absolute;left:0;right:0;top:0;height:100vh;height:100svh;scroll-snap-align:start;pointer-events:none}
.snap.b{top:100vh;top:100svh}
.hero{position:sticky;top:0;height:100vh;height:100svh;min-height:520px;overflow:hidden;cursor:crosshair;z-index:0}
.hero-in{position:absolute;inset:0;display:grid;align-items:center;transform-origin:50% 0;will-change:transform}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;image-rendering:pixelated}
.shade{position:absolute;inset:0;z-index:6;background:var(--night);opacity:0;pointer-events:none}
.hair{position:absolute;z-index:1;background:var(--accent);opacity:0;pointer-events:none;transition:opacity .2s}
.hair.x{left:0;right:0;top:0;height:1px}.hair.y{top:0;bottom:0;left:0;width:1px}
.hero.on .hair{opacity:.55}

/* the sentence: light connective text, solid facts, dot-matrix numbers */
.sentwrap{position:relative;z-index:2;padding:0 var(--gut)}
.sent{margin:0;font-weight:300;line-height:1.08;letter-spacing:-.03em;color:var(--ink-2);text-wrap:pretty}
.sent .nm{font-weight:800;color:var(--ink);letter-spacing:-.045em}
.sent .n{font-family:var(--f-dot);font-weight:900;font-size:1.16em;letter-spacing:-.04em;color:var(--accent-ink);line-height:.8}
.ph{font-weight:560;color:var(--ink);text-decoration:underline;text-decoration-thickness:.06em;text-underline-offset:.14em;
  text-decoration-color:color-mix(in srgb,var(--accent) 45%,transparent);transition:color .25s,background-color .25s,text-decoration-color .25s;
  -webkit-box-decoration-break:clone;box-decoration-break:clone}
.ph.tour{text-decoration-color:var(--accent);text-decoration-thickness:.11em}
.ph:hover,.ph:focus-visible{background:var(--accent);color:var(--on-accent);text-decoration-color:transparent;outline:none}
.ph:hover .n,.ph:focus-visible .n{color:var(--on-accent)}
.sent:has(.ph:hover) .ph:not(:hover):not(:focus-visible){color:color-mix(in srgb,var(--ink) 40%,transparent)}
.down{position:absolute;z-index:3;right:var(--gut);bottom:calc(22px + env(safe-area-inset-bottom,0px));display:flex;align-items:center;gap:10px;text-decoration:none;font-size:15px;color:var(--ink);background:color-mix(in srgb,var(--paper) 80%,transparent);backdrop-filter:blur(6px);border:1px solid var(--line);padding:9px 14px;border-radius:0}
.down:hover{border-color:var(--ink)}
.down i{font-style:normal;transition:transform .3s var(--ease)}
.down:hover i{transform:translateY(3px)}

/* board */
.board{position:relative;z-index:2;height:100vh;height:100svh;min-height:520px;overflow:hidden;background:var(--paper);border-top:1px solid var(--line);box-shadow:0 -40px 80px -40px rgba(13,15,23,.45)}
.bvp{position:absolute;inset:0;touch-action:pan-y pinch-zoom;cursor:default}
.bvp[data-tool=hand],.bvp.panning{cursor:grab;touch-action:none}
.bvp.panning:active{cursor:grabbing}
.bvp[data-tool^=pen]{cursor:crosshair;touch-action:none}
.bvp[data-tool=note],.bvp[data-tool=job]{cursor:copy}
.bgrid{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.bworld{position:absolute;left:0;top:0;transform-origin:0 0}
.ink{position:absolute;left:0;top:0;overflow:visible;pointer-events:none}
.ink path{fill:none;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}
.bvp[data-tool=select] .ink path{pointer-events:stroke}
.ink .s-ink{stroke:var(--ink);stroke-width:3}
.ink .s-blue{stroke:var(--accent);stroke-width:3}
.ink .s-mark{stroke:var(--accent);stroke-width:18;opacity:.22}
.ink path.sel{filter:drop-shadow(0 0 3px var(--accent))}
.bhead{position:absolute;z-index:4;left:var(--gut);top:22px;display:grid;gap:8px;max-width:min(460px,calc(100% - 32px));pointer-events:none}
.bhead > *{pointer-events:auto}
.bhead h2{margin:0;font:800 clamp(40px,5vw,76px)/.92 var(--f-display);letter-spacing:-.05em}
.bhead p{margin:0;color:var(--ink-2);font-size:15px;max-width:40ch}
.up{justify-self:start;text-decoration:none;font-size:14px;color:var(--ink-2)}
.board.springs{transition:transform .35s var(--ease)}
.grab{position:absolute;z-index:6;left:50%;top:0;transform:translateX(-50%);width:160px;height:30px;border:0;background:none;cursor:ns-resize;display:grid;place-items:center;touch-action:none}
.grab::before{content:"";width:44px;height:4px;border-radius:0;background:var(--line);transition:background .2s,width .2s}
.grab:hover::before{background:var(--ink-2);width:56px}
.pull{position:absolute;z-index:6;left:50%;top:26px;transform:translate(-50%,-8px);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;
  display:flex;align-items:center;gap:10px;padding:8px 14px;border-radius:0;background:var(--ink);color:var(--paper);font-size:14px;white-space:nowrap}
.pull.on{opacity:1;transform:translate(-50%,0)}
.pull i{display:block;width:64px;height:4px;border-radius:0;background:rgba(255,255,255,.25);overflow:hidden}
.pull i::after{content:"";display:block;height:100%;width:calc(var(--p,0) * 100%);background:var(--paper)}
.up:hover{color:var(--ink)}

.tools{position:absolute;z-index:5;left:50%;bottom:calc(18px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);display:flex;align-items:center;gap:2px;padding:4px;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(6px);border:1px solid var(--ink);border-radius:0;max-width:calc(100% - 24px);overflow-x:auto}
.tools button{flex:none;height:36px;min-width:36px;padding:0 8px;border:0;border-radius:0;background:none;color:var(--ink);cursor:pointer;display:grid;place-items:center;font:500 13px var(--f-display)}
.tools button:hover{background:color-mix(in srgb,var(--ink) 8%,transparent)}
.tools button[aria-pressed=true]{background:var(--ink);color:var(--paper)}
.tools button:disabled{opacity:.3;cursor:default;background:none}
.tools svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.tools .sep{width:1px;height:20px;background:var(--line);margin:0 4px;flex:none}
.tools .dot{width:12px;height:12px;border-radius:0;display:block}
.tools #zreset{min-width:56px;font-variant-numeric:tabular-nums}
@media (max-width:700px){.tools #zout,.tools #zreset,.tools #zin,.tools .sep.z{display:none}}
.bcontact{position:absolute;z-index:4;left:var(--gut);bottom:calc(26px + env(safe-area-inset-bottom,0px));display:flex;gap:16px;align-items:center;font-size:14px;color:var(--ink-2)}
.bcontact a{text-decoration:none}.bcontact a:hover{color:var(--ink)}
.bcontact button{border:0;background:none;color:var(--accent-ink);font:inherit;cursor:pointer;padding:0}
@media (max-width:1100px){.bcontact{display:none}}
@media (max-width:700px){.bhead p{display:none}}

/* cards: drawn on the same sheet as the hero — hairline ink, paper, a registration mark instead of a pin */
.note{position:absolute;width:260px;padding:14px 16px 12px;background:var(--paper);color:var(--ink);border:1.5px solid var(--ink);display:grid;gap:8px}
.note.c-b{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 7%,var(--paper))}
.note.c-y{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.note .pin{position:absolute;left:-8px;top:-8px;width:16px;height:16px;border-radius:0;border:1px solid var(--accent);background:
  linear-gradient(var(--accent),var(--accent)) center/1px 100% no-repeat,linear-gradient(var(--accent),var(--accent)) center/100% 1px no-repeat,var(--paper)}
.note header{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:12px;color:var(--ink-2);padding-bottom:8px;border-bottom:1px solid color-mix(in srgb,currentColor 18%,transparent)}
.note.c-y header,.note.c-y .who,.note.c-y .sign,.note.c-y dt{color:color-mix(in srgb,var(--paper) 70%,transparent)}
.note header > :first-child::before{content:"";display:inline-block;width:7px;height:7px;background:var(--accent);margin-right:7px;vertical-align:1px}
.note p{margin:0;font-size:16px;line-height:1.38}
.note .who{font-size:13px;color:var(--ink-2)}
.note.own{cursor:grab;user-select:none;touch-action:none}
.note.own.sel{outline:1.5px dashed var(--accent);outline-offset:6px}
.note .chip{border:0;background:none;color:inherit;padding:0;font:500 12px var(--f-display);cursor:pointer;text-decoration:underline;text-decoration-color:color-mix(in srgb,currentColor 35%,transparent);text-underline-offset:3px}
.note.job .chip{cursor:default;text-decoration:none}
.note [data-k]{outline:none;cursor:text;user-select:text;min-height:1.3em;overflow-wrap:anywhere;white-space:pre-wrap}
.note [data-k]:empty::before{content:attr(data-ph);color:inherit;opacity:.45;pointer-events:none}
.note .txt{font-size:16px;line-height:1.38;min-height:2.8em}
.note .sign{font-size:13px;color:var(--ink-2)}
.note .sign:not(:empty)::before{content:"— "}
.note dl{margin:0;display:grid;gap:6px}
.note dl div{display:grid;grid-template-columns:70px 1fr;gap:8px;align-items:baseline;border-bottom:1px dashed color-mix(in srgb,currentColor 22%,transparent);padding-bottom:4px}
.note dt{font-size:12px;color:var(--ink-2)}
.note dd{margin:0;font-size:15px}
/* Card commands stay readable at any canvas zoom and avoid canvas chrome. */
.card-actions{position:absolute;z-index:8;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:min(320px,calc(100% - 24px));gap:3px;padding:5px;border:1px solid var(--ink);border-radius:0;background:var(--paper);color:var(--ink)}
.card-actions[hidden]{display:none}
.card-actions button{min-width:0;min-height:36px;display:flex;align-items:center;justify-content:flex-start;padding:8px 10px;border:0;border-radius:0;background:transparent;color:var(--ink);font:500 13px/1.35 Geologica,Arial,sans-serif;cursor:pointer;text-align:left;white-space:normal}
.card-actions button:first-child{background:var(--ink);color:var(--paper)}
.card-actions button:hover,.card-actions button:focus-visible{background:var(--accent-ink);color:var(--paper)}
@media(max-width:700px){.card-actions button{min-height:44px}}
.note.pinned{width:300px}
.note.new{animation:plot .5s var(--ease)}
@keyframes plot{from{clip-path:inset(0 0 100% 0)}to{clip-path:inset(0 0 -60px 0)}}

/* takeover: dark sheet, points sculpt the fact */
.wipe{position:fixed;left:0;top:0;width:100vw;height:100vh;z-index:39;background:var(--accent);transform-origin:0 0;will-change:transform}
.take{position:fixed;inset:0;z-index:40;background:var(--paper);color:var(--ink);overflow:hidden}
.take::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(var(--line) 1px,transparent 1.4px) 0 0/32px 32px}
.take canvas{position:absolute;inset:0;width:100%;height:100%}
.story{cursor:grab}.story :is(p,h1,h2,h3,li,figure){cursor:auto}
html.grabbing,html.grabbing *{user-select:none!important;cursor:grabbing!important}
.story{position:absolute;inset:0;z-index:1;overflow-y:auto;overscroll-behavior:contain;padding:84px var(--gut) 60px}
.back{position:fixed;z-index:42;top:calc(18px + env(safe-area-inset-top,0px));left:var(--gut);font:500 14px var(--f-display);background:var(--ink);color:var(--paper);border:0;border-radius:0;padding:9px 16px;cursor:pointer}
.back:hover{background:var(--accent);color:var(--on-accent)}
.take .big{margin:0;font-family:var(--f-dot);font-weight:900;font-size:var(--fs,clamp(96px,14vw,220px));line-height:.86;letter-spacing:-.03em;color:var(--accent-ink)}
.take .big .ar{font-family:var(--f-display);font-weight:300;font-size:.5em;color:var(--ink-2);vertical-align:.18em;margin:0 .12em}
.take .big small{font:300 .2em var(--f-display);color:var(--ink-2);margin-left:.3em;letter-spacing:0}
.take h2{margin:0;font:700 clamp(28px,3vw,44px)/1.05 var(--f-display);letter-spacing:-.03em;text-wrap:balance}
.take p{margin:0;font-size:18px;line-height:1.6;color:var(--ink-2);max-width:46ch}
.take .hint{font-size:14px;color:var(--ink-2);opacity:.85;cursor:pointer;transition:color .2s,opacity .2s}
.take .hint:hover{color:var(--accent-ink);opacity:1}
.take .big{cursor:pointer}
.take a{color:var(--accent-ink)}
.col{display:grid;gap:20px;align-content:center;min-height:100%;width:min(1240px,100%);margin-inline:auto}
.col.side{padding-right:52%}
.col.bottom{align-content:end;justify-items:center;text-align:center}
.col.bottom p{margin-inline:auto}
.drafts{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.drafts a,.drafts div{display:grid;grid-template-columns:1fr auto;gap:14px;padding:15px 0;border-bottom:1px solid var(--line);text-decoration:none;align-items:baseline}
.drafts b{font:600 clamp(19px,1.9vw,26px)/1.15 var(--f-display);letter-spacing:-.02em;color:var(--ink)}
.drafts a:hover b{color:var(--accent-ink)}
.drafts span{font-family:var(--f-dot);font-weight:900;font-size:22px;color:var(--accent-ink)}
.art{max-width:700px;margin:58vh auto 0}
.art .draft{font-size:14px;color:var(--ink-2)}
.art h1{margin:14px 0 0;font:750 clamp(40px,5.4vw,78px)/.95 var(--f-display);letter-spacing:-.045em;text-wrap:balance}
.art .lede{font-size:21px;color:var(--ink);margin:24px 0 8px;max-width:none}
.art h3{margin:44px 0 10px;font:700 27px/1.1 var(--f-display);letter-spacing:-.02em}
.art p{font-size:18px;line-height:1.72;margin:0 0 16px;max-width:none;color:var(--ink-2)}
.art pre{margin:6px 0 24px;padding:18px 20px;background:color-mix(in srgb,var(--ink) 5%,transparent);border:1px solid var(--line);font:400 14px/1.7 var(--f-mono);color:var(--ink);overflow-x:auto}
.art blockquote{margin:30px 0;padding-left:20px;border-left:3px solid var(--accent);font:600 clamp(24px,2.4vw,32px)/1.25 var(--f-display);letter-spacing:-.02em;color:var(--ink)}
.mailbig{font:750 clamp(30px,4.8vw,72px)/1.05 var(--f-display);letter-spacing:-.035em;user-select:all;overflow-wrap:anywhere}
.tbtn{justify-self:start;font:500 14px var(--f-display);background:var(--accent);color:#fff;border:0;border-radius:0;padding:10px 16px;cursor:pointer}
.links{display:flex;flex-wrap:wrap;gap:10px 26px}
.links a{font:600 22px var(--f-display);letter-spacing:-.02em;text-decoration:none}
.links a{color:var(--ink)}.links a:hover{color:var(--accent-ink)}
.prog{position:fixed;z-index:41;left:0;top:0;height:2px;width:100%;background:var(--accent);transform-origin:left;transform:scaleX(var(--r,0))}
@media (max-width:820px){.story{padding-top:calc(40vh + 10px)}.col{min-height:0}.col.side{padding-right:0}.story.full{padding-top:84px}.art{margin-top:46vh}
  .story > .col,.story > .art{background:linear-gradient(transparent,var(--paper) 36px);padding-top:36px;padding-bottom:24px}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}html{scroll-behavior:auto}}

/* games: the sculpture rebuilds itself into a well, then the game fades in over it */
.play{justify-self:start;display:inline-flex;align-items:center;gap:10px;font:500 15px var(--f-display);border:1px solid var(--ink);background:none;color:var(--ink);border-radius:0;padding:9px 16px;cursor:pointer;transition:background-color .2s,color .2s}
.play:hover,.play[aria-pressed=true]{background:var(--ink);color:var(--paper)}
.play b{font-weight:600}
.play small{font-size:12px;color:var(--ink-2)}
.play:hover small,.play[aria-pressed=true] small{color:inherit;opacity:.7}
.col.bottom .play{justify-self:center}
.game{position:absolute;z-index:2;opacity:0;pointer-events:none;transition:opacity .45s}
@media (min-width:821px){.take.gaming .col.bottom{padding-right:52%;justify-items:start;text-align:left}.take.gaming .col.bottom p{margin-inline:0}.take.gaming .col.bottom .play{justify-self:start}}
.game.on{opacity:1;pointer-events:auto}
.game iframe{display:block;width:100%;height:100%;border:0;background:transparent}
@media (max-width:820px){.take.gaming .story{visibility:hidden}.take.gaming .back{visibility:visible}}
/* easter egg: pixel coins */
.rain{position:fixed;inset:0;width:100%;height:100%;z-index:45;pointer-events:none;image-rendering:pixelated}
/* language: both versions live in the page, the root lang picks one */
html[lang="en"] body [lang="ru"],html[lang="ru"] body [lang="en"]{display:none!important}
.lang{position:fixed;z-index:30;top:calc(16px + env(safe-area-inset-top,0px));right:var(--gut);display:flex;border:1px solid var(--line);border-radius:0;background:color-mix(in srgb,var(--paper) 82%,transparent);backdrop-filter:blur(6px);overflow:hidden}
.lang button{border:0;background:none;padding:6px 11px;font:500 13px var(--f-display);color:var(--ink-2);cursor:pointer}
.lang button[aria-pressed=true]{background:var(--ink);color:var(--paper)}