@font-face{font-family:"Barlow Semi Condensed";src:url(fonts/barlow-semi-condensed-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Barlow Semi Condensed";src:url(fonts/barlow-semi-condensed-latin-700-normal.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Barlow";src:url(fonts/barlow-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Barlow";src:url(fonts/barlow-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Barlow";src:url(fonts/barlow-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  color-scheme:dark;
  --coal:#0e1017;        /* page */
  --slate:#14161f;       /* app window */
  --panel:#1c2032;       /* app panels */
  --line:#2b3050;
  --frost:#e8eaf2;
  --dim:#a4a9c2;
  --faint:#6d7391;
  --check:#3fcf7e;       /* the brand's green check: done, owned */
  --ember:#ff7a3d;       /* heat: only where something is being worked */
  --glow:#ffd27a;
  --f-head:"Barlow Semi Condensed","Arial Narrow",sans-serif;
  --f-body:"Barlow","Segoe UI",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",Consolas,monospace;
  --wrap:1240px;
  --rail:92px;           /* left gutter that holds the heat line */
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;background:var(--coal);color:var(--frost);font:400 18px/1.6 var(--f-body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--check);outline-offset:3px;border-radius:4px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.mono{font-family:var(--f-mono);font-size:14px;letter-spacing:.01em}

#sparks{position:fixed;inset:0;width:100%;height:100%;z-index:40;pointer-events:none}

/* ---------- top bar ---------- */
.top{position:fixed;inset:0 0 auto 0;z-index:30;display:flex;align-items:center;gap:28px;padding:12px clamp(18px,4vw,44px);
  background:rgba(14,16,23,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06)}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font:700 24px/1 var(--f-head);white-space:nowrap}
.brand img{width:34px;height:34px}
.top nav{margin-left:auto;display:flex;gap:clamp(16px,2.4vw,34px);overflow-x:auto;scrollbar-width:none}
.top nav::-webkit-scrollbar{display:none}
.top nav a{font-size:16px;font-weight:500;text-decoration:none;color:var(--dim);white-space:nowrap;padding:8px 0;transition:color .15s}
.top nav a:hover{color:#fff}
.get{flex:none;text-decoration:none;font-weight:600;font-size:16px;color:#08130c;background:var(--check);padding:10px 18px;border-radius:9px;transition:filter .15s}
.get:hover{filter:brightness(1.1)}

/* ---------- the heat line: a piece of metal cools as you scroll and earns its check at the end ---------- */
.rail{position:fixed;left:calc(var(--rail) / 2);top:18vh;bottom:14vh;width:2px;z-index:5;background:linear-gradient(var(--line),var(--line));pointer-events:none}
.rail i{position:absolute;left:-7px;top:calc(var(--p,0) * 100%);width:16px;height:16px;margin-top:-8px;border-radius:3px;transform:rotate(45deg);
  background:var(--ingot,#ffd27a);box-shadow:0 0 calc(22px * var(--hot,1)) calc(3px * var(--hot,1)) rgba(255,122,61,calc(.75 * var(--hot,1)))}
.rail b{position:absolute;left:-13px;bottom:-34px;width:28px;height:28px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;transition:border-color .4s,background-color .4s}
.rail b svg{width:14px;height:14px;fill:none;stroke:var(--line);stroke-width:3;stroke-linecap:round;stroke-linejoin:round;transition:stroke .4s}
.rail.done b{border-color:var(--check);background:rgba(63,207,126,.14)}
.rail.done b svg{stroke:var(--check)}
.rail.done i{opacity:0}

/* ---------- shared ---------- */
main{position:relative;z-index:1}
.sec{padding:clamp(80px,11vw,150px) clamp(20px,4vw,44px) 0 calc(var(--rail) + clamp(0px,2vw,30px))}
.inner{max-width:var(--wrap);margin:0 auto}
h2{font:700 clamp(42px,6.2vw,88px)/.96 var(--f-head);margin:0 0 26px;letter-spacing:-.005em}
.lead{font-size:clamp(19px,1.6vw,22px);line-height:1.55;color:var(--dim);max-width:56ch;margin:0}
.lead strong{color:var(--frost);font-weight:500}
.lead + .lead{margin-top:16px}

/* ---------- hero ---------- */
.hero{padding-top:clamp(104px,13vh,150px);min-height:100vh;min-height:100svh}
.hero .inner{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:clamp(24px,4vw,60px);align-items:center}
.hero h1{font:700 clamp(52px,6.6vw,100px)/.9 var(--f-head);margin:0 0 26px;max-width:8.6em;letter-spacing:-.012em}
.hero h1 span{display:inline-block;animation:strike .5s cubic-bezier(.2,1.5,.4,1) backwards}
.hero h1 span:nth-child(1){animation-delay:.15s}.hero h1 span:nth-child(2){animation-delay:.3s}.hero h1 span:nth-child(3){animation-delay:.45s}
.hero h1 span:nth-child(4){animation-delay:.6s}.hero h1 span:nth-child(5){animation-delay:.75s}
.hero h1 em{font-style:normal;color:var(--check)}
@keyframes strike{from{opacity:0;transform:translateY(-.5em) scale(1.12)}to{opacity:1;transform:none}}
.hero .lead{max-width:40ch}
.cta{display:flex;flex-wrap:wrap;gap:14px 24px;align-items:center;margin-top:34px}
.btn{display:inline-block;text-decoration:none;font-weight:600;font-size:19px;color:#08130c;background:var(--check);padding:16px 26px;border-radius:11px;transition:filter .15s,transform .15s}
.btn:hover{filter:brightness(1.1);transform:translateY(-2px)}
.link{font-weight:500;color:var(--frost);text-underline-offset:6px;text-decoration-color:var(--faint)}
.link:hover{text-decoration-color:var(--check)}
.hero .mono{margin:30px 0 0;color:var(--faint)}
.stage{perspective:1600px;margin-right:calc(-1 * clamp(40px,12vw,240px))}
.shot{position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--slate);
  transform:rotateY(calc(-13deg + var(--rx,0) * 5deg)) rotateX(calc(4deg + var(--ry,0) * -3deg));transform-origin:0 50%;transition:transform .3s ease-out;
  box-shadow:0 60px 120px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.03)}
.shot::after{content:"";position:absolute;inset:auto 0 0 0;height:3px;background:linear-gradient(90deg,transparent,var(--ember) 18%,var(--glow) 50%,var(--ember) 82%,transparent);box-shadow:0 0 34px 6px rgba(255,122,61,.55)}

/* ---------- what it replaces ---------- */
.swap{list-style:none;margin:54px 0 0;padding:0;border-top:1px solid var(--line)}
.swap li{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--line)}
.swap s{position:relative;text-decoration:none;font:700 clamp(30px,4.4vw,58px)/1 var(--f-head);color:var(--faint);justify-self:start}
.swap s::after{content:"";position:absolute;left:-6px;right:-6px;top:54%;height:3px;background:var(--ember);transform:scaleX(0);transform-origin:0 50%;transition:transform .55s cubic-bezier(.6,0,.2,1)}
.swap li.in s::after{transform:scaleX(1)}
.swap li:nth-child(2) s::after{transition-delay:.12s}.swap li:nth-child(3) s::after{transition-delay:.24s}.swap li:nth-child(4) s::after{transition-delay:.36s}.swap li:nth-child(5) s::after{transition-delay:.48s}
.swap span{font-family:var(--f-mono);font-size:15px;color:var(--dim);text-align:right}
.swap span b{color:var(--check);font-weight:500}
.sum{margin:30px 0 0;font:700 clamp(30px,4.4vw,58px)/1 var(--f-head)}
.sum em{font-style:normal;color:var(--check)}

/* ---------- press F7 ---------- */
.rig{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:26px;margin:44px 0 16px;align-items:center}
.rig-side{display:flex;flex-direction:column;gap:20px;align-items:flex-start}
.rig-side p{margin:0;color:var(--dim);font-size:17px}
.key{appearance:none;cursor:pointer;flex:none;width:112px;height:104px;border-radius:16px;border:1px solid #3a4066;background:linear-gradient(#262b45,#191d30);
  font:500 34px/1 var(--f-mono);color:var(--frost);box-shadow:0 8px 0 #0a0c14,0 8px 0 1px #2b3050;transition:transform .08s,box-shadow .2s}
.key:hover{box-shadow:0 8px 0 #0a0c14,0 8px 0 1px #2b3050,0 0 30px 2px rgba(255,122,61,.35)}
.key.hot{animation:hot 1s ease-in-out infinite alternate;border-color:var(--ember)}
@keyframes hot{from{box-shadow:0 8px 0 #0a0c14,0 8px 0 1px #2b3050,0 0 14px 0 rgba(255,122,61,.3)}to{box-shadow:0 8px 0 #0a0c14,0 8px 0 1px #2b3050,0 0 44px 8px rgba(255,122,61,.7)}}
.key.down{transform:translateY(6px);box-shadow:0 2px 0 #0a0c14,0 2px 0 1px #2b3050,0 0 40px 6px rgba(255,122,61,.6);animation:none}
.line{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.st{position:relative;background:var(--slate);border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;overflow:hidden;transition:border-color .2s}
.line .st{min-height:268px}
.st.lit{border-color:var(--check)}
.st-h{display:flex;align-items:baseline;gap:8px;padding:11px 14px;border-bottom:1px solid var(--line);font-weight:600;font-size:15px}
.st-h small{font:400 13px var(--f-mono);color:var(--faint);margin-left:auto}
.st-b{position:relative;flex:1;padding:12px;font-size:14px}
.gamewin .st-b{padding:0;line-height:0}
#game,#game3d{display:block;width:100%;height:auto;aspect-ratio:960/420;background:#070916}
.is3d #game,.is2d #game3d,.is2d .hud{display:none}
.hud{position:absolute;inset:10px 14px auto 14px;display:flex;justify-content:space-between;font:600 15px/1 var(--f-head);color:rgba(232,234,242,.88);letter-spacing:.03em;pointer-events:none;text-shadow:0 1px 3px rgba(0,0,0,.7)}
.hud kbd{font:500 12px var(--f-mono);border:1px solid rgba(232,234,242,.7);border-radius:3px;padding:2px 5px;margin-right:6px}
.cap{margin:12px 2px 0;font-size:16px;color:var(--dim)}
.cap b{color:var(--frost);font-weight:600}
.after{margin:34px 0 0;max-width:68ch;color:var(--dim)}
.form{position:absolute;left:50%;top:50%;width:min(380px,86%);margin:0;transform:translate(-50%,-46%) scale(.96);line-height:1.4;
  background:rgba(20,22,31,.96);border:1px solid var(--line);border-radius:12px;padding:14px;display:grid;grid-template-columns:1fr auto;gap:10px 12px;
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;box-shadow:0 30px 70px rgba(0,0,0,.6)}
.form.on{opacity:1;transform:translate(-50%,-50%)}
.form h4{margin:0;font:600 16px var(--f-body);grid-column:1/-1}
.form .ta{min-height:66px;border:1px solid var(--line);border-radius:8px;padding:9px;background:var(--panel);font-size:15px}
.form .ta::after{content:"";display:inline-block;width:1px;height:1em;background:var(--frost);vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.form canvas{width:120px;height:auto;border-radius:6px;border:1px solid var(--line);align-self:start}
.form small{color:var(--dim);font-size:13px;align-self:center}
.form .send{justify-self:end;background:var(--check);color:#08130c;font-weight:600;font-size:14px;padding:7px 14px;border-radius:8px}
.form .ok{position:absolute;inset:0;display:grid;place-items:center;background:rgba(20,22,31,.97);border-radius:12px;color:var(--check);font-weight:600;font-size:17px;opacity:0;transition:opacity .2s}
.form.sent .ok{opacity:1}
.rows,.cards{display:flex;flex-direction:column;gap:7px;margin:0;padding:0;list-style:none}
.rows li{display:grid;grid-template-columns:30px 1fr 84px;gap:2px 9px;align-items:center;padding:8px 9px;background:var(--panel);border-radius:8px;border-left:3px solid transparent}
.rows li b{grid-row:span 2;font:700 21px/1 var(--f-head);color:var(--dim)}
.rows li span{font-weight:600;font-size:14px;line-height:1.25}
.rows li small{grid-column:2;font-size:12.5px;color:var(--dim)}
.rows li canvas{grid-column:3;grid-row:1/span 2;width:84px;height:auto;border-radius:5px;border:1px solid var(--line)}
.cards small{font-size:12.5px;color:var(--dim)}
.cards li{padding:9px 10px;background:var(--panel);border:1px solid var(--line);border-radius:9px}
.cards li span{display:block;font-weight:600;font-size:14px;line-height:1.25;margin-bottom:4px}
.cards small i{font-style:normal;border:1px solid var(--line);border-radius:99px;padding:0 6px;margin:0 3px}
.rows li.none,.cards li.none{display:block;background:none;border:1px dashed var(--line);color:var(--faint);padding:14px;text-align:center;border-radius:9px}
.col{font:600 14px var(--f-body);color:#f07a7a;margin:0 0 8px;display:flex;gap:8px;align-items:center}
.col em{font:400 12px var(--f-mono);color:var(--dim);background:var(--panel);border-radius:99px;padding:1px 7px;font-style:normal}
.new{animation:arrive .5s cubic-bezier(.2,1.4,.4,1)}
.rows li.new{border-left-color:var(--check)}
.cards li.new{border-color:var(--check)}
@keyframes arrive{from{opacity:0;transform:translateY(-14px) scale(.96)}to{opacity:1;transform:none}}
.big{display:flex;align-items:baseline;gap:8px;margin:2px 0 14px}
.big b{font:700 54px/.9 var(--f-head)}
.big span{color:var(--dim);font-size:14px}
.bar{display:grid;grid-template-columns:74px 1fr 16px;gap:8px;align-items:center;margin:9px 0;font-size:13.5px}
.bar u{display:block;height:6px;border-radius:99px;background:var(--panel);overflow:hidden;text-decoration:none}
.bar u i{display:block;height:100%;width:calc(var(--v) * 20%);background:var(--c);border-radius:99px;transition:width .5s ease}
.bar em{font-style:normal;color:var(--dim);text-align:right}
.bump{animation:bump .4s ease}
@keyframes bump{40%{transform:scale(1.18);color:var(--glow)}}

/* ---------- what's inside ---------- */
.inside{display:grid;grid-template-columns:minmax(0,330px) 1fr;gap:clamp(24px,4vw,64px);margin-top:50px;align-items:start}
.names{display:flex;flex-direction:column;margin:0;padding:0}
.name{appearance:none;cursor:pointer;text-align:left;border:0;background:none;padding:3px 0 5px;display:flex;align-items:center;gap:12px;
  font:700 clamp(32px,3.5vw,50px)/1 var(--f-head);color:#4a506e;transition:color .15s}
.name:hover{color:var(--dim)}
.name[aria-selected="true"]{color:var(--frost)}
.name svg{width:.5em;height:.5em;fill:none;stroke:var(--check);stroke-width:3.4;stroke-linecap:round;stroke-linejoin:round;opacity:0;transform:scale(.4);transition:opacity .15s,transform .2s cubic-bezier(.2,1.6,.4,1)}
.name[aria-selected="true"] svg{opacity:1;transform:none}
.view{position:sticky;top:96px}
.view figure{margin:0}
.win{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--slate);box-shadow:0 40px 90px rgba(0,0,0,.55)}
.win button{display:block;width:100%;padding:0;border:0;background:none;cursor:zoom-in}
.view h3{font:600 24px/1.2 var(--f-body);margin:22px 0 6px}
.vmore{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.vmore:empty{display:none}
.vmore button{appearance:none;cursor:pointer;font:500 14px/1 var(--f-body);color:var(--dim);background:var(--panel);border:1px solid var(--line);border-radius:99px;padding:8px 14px}
.vmore button[aria-pressed="true"]{color:#08130c;background:var(--check);border-color:var(--check)}
.view p{margin:0;color:var(--dim);max-width:62ch}
.soon{margin:64px 0 0}
.soon h3{font:700 clamp(28px,3vw,40px)/1 var(--f-head);color:var(--frost);margin:0 0 18px}
.soon dl{margin:0;border-top:1px solid var(--line)}
.soon dl div{display:grid;grid-template-columns:minmax(150px,220px) 1fr;gap:6px 28px;padding:16px 0;border-bottom:1px solid var(--line);align-items:baseline}
.soon dt{font:700 24px/1.1 var(--f-head);color:var(--frost)}
.soon dd{margin:0;color:var(--dim)}

/* ---------- engines ---------- */
.engines{display:flex;flex-wrap:wrap;gap:0 clamp(18px,3vw,44px);margin:40px 0 18px;padding:0;list-style:none;font:700 clamp(34px,5vw,72px)/1.1 var(--f-head)}
.engines li{color:var(--frost)}
.engines li:nth-child(even){color:var(--dim)}

/* ---------- yours to keep ---------- */
.own .inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,430px);gap:clamp(30px,6vw,90px);align-items:center}
.facts{list-style:none;margin:34px 0 0;padding:0;display:grid;gap:14px}
.facts li{display:grid;grid-template-columns:26px 1fr;gap:12px;align-items:start}
.facts svg{width:22px;height:22px;margin-top:4px;fill:none;stroke:var(--check);stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.facts b{font-weight:600}
.facts span{color:var(--dim)}
.buy{display:flex;flex-wrap:wrap;align-items:center;gap:16px 26px;margin-top:40px}
.price{font:700 64px/.9 var(--f-head)}
.price small{display:block;font:400 14px var(--f-mono);color:var(--dim);margin-top:8px}
.price s{font-size:.5em;color:var(--faint);text-decoration-color:#e5484d;text-decoration-thickness:3px;margin-left:6px}
.later{margin:16px 0 0;color:var(--dim);font-size:16px}
.boxwrap{perspective:1400px;display:grid;place-items:center;padding:30px 40px 30px 0}
.box{position:relative;width:min(300px,62vw);aspect-ratio:3/4;transform-style:preserve-3d;transform:rotateY(calc(-27deg + var(--bx,0) * 12deg)) rotateX(calc(5deg + var(--by,0) * -7deg));transition:transform .25s ease-out}
.box > div{position:absolute;inset:0}
.face{background:linear-gradient(160deg,#262c4a,#14172a 70%);border:1px solid #3a4066;border-radius:4px;padding:26px 24px;display:flex;flex-direction:column;overflow:hidden}
.face::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.09) 45%,transparent 60%);transform:translateX(calc(var(--bx,0) * 40%))}
.face img{width:46%;margin:6% 0 auto;filter:drop-shadow(0 12px 20px rgba(0,0,0,.5))}
.face h3{font:700 44px/.9 var(--f-head);margin:0 0 10px}
.face p{margin:0;color:var(--dim);font-size:15px;line-height:1.35}
.face .mono{margin-top:16px;padding-top:12px;border-top:1px solid #3a4066;color:var(--faint);display:flex;justify-content:space-between;font-size:12px}
.spine{width:56px!important;left:100%!important;right:auto!important;transform-origin:0 50%;transform:rotateY(90deg);backface-visibility:hidden;background:linear-gradient(#1b2038,#10121f);border:1px solid #3a4066;border-radius:0 4px 4px 0;display:grid;place-items:center}
.spine span{writing-mode:vertical-rl;font:700 22px/1 var(--f-head);letter-spacing:.04em;color:var(--dim);white-space:nowrap}
.boxshadow{position:absolute;left:-10%;right:-4%;bottom:-9%;height:9%;background:radial-gradient(closest-side,rgba(0,0,0,.6),transparent);transform:translateZ(-40px);filter:blur(8px)}

/* ---------- note + footer ---------- */
.note .inner{max-width:820px;margin-left:0}
.note blockquote{margin:0;font-size:clamp(21px,2vw,27px);line-height:1.5;color:var(--frost)}
.note blockquote p{margin:0 0 1em}
.note cite{font:400 14px var(--f-mono);font-style:normal;color:var(--faint)}
footer{position:relative;z-index:1;margin-top:clamp(90px,12vw,160px);padding:26px clamp(20px,4vw,44px) 30px calc(var(--rail) + clamp(0px,2vw,30px));border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px 30px;align-items:center;font-size:15px;color:var(--dim)}
footer a{text-underline-offset:4px}
footer .mails{display:flex;flex-wrap:wrap;gap:6px 26px}
.made{display:flex;align-items:center;gap:9px;margin-right:auto;text-decoration:none}
.made img{width:34px;height:27px}

/* ---------- viewer ---------- */
.lb{position:fixed;inset:0;z-index:80;display:none;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:20px;background:rgba(6,7,11,.94)}
.lb.open{display:flex}
.lb img{max-width:min(1400px,95vw);max-height:82vh;width:auto;border-radius:8px;border:1px solid var(--line)}
.lb button{appearance:none;cursor:pointer;border:1px solid var(--line);background:var(--panel);font-weight:600;font-size:15px;padding:11px 18px;border-radius:9px}

/* ---------- smaller screens ---------- */
@media (max-width:1100px){
  :root{--rail:0px}
  .rail{display:none}
  .sec,footer{padding-left:clamp(20px,4vw,44px)}
  .rig{grid-template-columns:1fr}
  .rig-side{flex-direction:row;align-items:center}
}
@media (max-width:860px){
  .hero .inner,.inside,.own .inner{grid-template-columns:1fr}
  .stage{margin-right:-30px}
  .names{flex-direction:row;overflow-x:auto;gap:22px;padding-bottom:10px;scrollbar-width:none}
  .name{flex:none;font-size:34px}
  .view{position:static}
  .top nav{display:none}
  .get{margin-left:auto}
  .swap li{grid-template-columns:1fr}
  .swap span{text-align:left}
}
@media (max-width:560px){
  .line{grid-template-columns:1fr}
  .line .st{min-height:0}
  .soon dl div{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .swap s::after{transform:scaleX(1)}
}