/* How Software Works · the live journey (the /software/ front door).
   A fixed 3D world behind a scrolling story. Cards are glass; numbers are the visitor's own. */
:root{--acc:#A9C7FF;--night:#05060c;--bone:#F2F3EF;--mist:#CDD1C8;--moss:#9CA28F;--gold:#E9B949;
  --disp:"Unbounded","Geist",system-ui,sans-serif;--sans:"Geist","Helvetica Neue",system-ui,sans-serif;--mono:"Geist Mono",ui-monospace,Menlo,monospace;
  --ease:cubic-bezier(.22,1,.36,1);--glass:rgba(12,14,26,.66);--line:rgba(242,243,239,.12);--fb:30px}
*{box-sizing:border-box}
html{background:var(--night);scroll-behavior:smooth}
body{margin:0;background:var(--night);color:var(--bone);font-family:var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
.jy-gl{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0}
.jy-vig{position:fixed;inset:0;pointer-events:none;z-index:1;background:radial-gradient(120% 90% at 60% 45%,transparent 50%,rgba(2,3,8,.72) 100%)}
.jy-grain{position:fixed;inset:-50%;pointer-events:none;z-index:1;opacity:.05;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E")}
.jy-fade{position:fixed;inset:0;background:var(--night);z-index:3;pointer-events:none;transition:opacity 1.4s var(--ease)}
body.ready .jy-fade{opacity:0}

/* top bar */
.jy-top{position:fixed;left:0;right:0;top:calc(var(--fb) + env(safe-area-inset-top));z-index:30;display:flex;align-items:center;gap:14px;padding:12px 16px;
  background:linear-gradient(180deg,rgba(5,6,12,.8),rgba(5,6,12,0));pointer-events:none}
.jy-top>*{pointer-events:auto}
.jy-home{display:flex;align-items:center;gap:9px;text-decoration:none;font-size:14px;white-space:nowrap}
.jy-home svg{width:28px;height:28px;flex:none}
.jy-home b{font-family:var(--disp);font-size:14px;letter-spacing:-.01em}
.jy-home span{color:var(--mist)}
.jy-prog{flex:1;display:flex;gap:4px;max-width:420px;margin:0 auto}
.jy-prog i{flex:1;height:3px;border-radius:2px;background:rgba(242,243,239,.14);overflow:hidden;position:relative}
.jy-prog i b{position:absolute;inset:0;background:var(--c,var(--acc));transform-origin:left;transform:scaleX(0)}
.jy-mode{display:flex;padding:3px;border-radius:999px;background:rgba(14,16,28,.55);border:1px solid var(--line);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);flex:none}
.jy-mode button{border:0;background:none;padding:7px 13px;border-radius:999px;font-size:13px;color:var(--mist);transition:background .3s,color .3s}
.jy-mode button[aria-checked=true]{background:var(--bone);color:#0b0c12;font-weight:600}

/* story */
main{position:relative;z-index:2}
.st{min-height:118vh;display:flex;align-items:center;padding:calc(var(--fb) + 90px) clamp(16px,5vw,72px) 60px}
.st.hero{min-height:100vh;align-items:flex-end;padding-bottom:clamp(60px,12vh,130px)}
.card{width:min(460px,100%);background:var(--glass);border:1px solid var(--line);border-radius:22px;padding:24px 24px 20px;
  backdrop-filter:blur(18px) saturate(1.2);-webkit-backdrop-filter:blur(18px) saturate(1.2);box-shadow:0 30px 80px -30px rgba(0,0,0,.7);
  opacity:.25;transform:translateY(24px);transition:opacity .7s var(--ease),transform .9s var(--ease)}
.st.on .card,.st.hero .card{opacity:1;transform:none}
.st.hero .card{background:none;border:0;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;padding:0;width:min(640px,100%)}
.ey{display:block;font:500 11.5px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--c,var(--acc));margin-bottom:12px}
.card h2{font-family:var(--disp);font-weight:700;font-size:clamp(24px,3vw,34px);line-height:1.04;letter-spacing:-.03em;margin:0 0 12px;text-wrap:balance}
.hero h1{font-family:var(--disp);font-weight:700;font-size:clamp(36px,6.4vw,82px);line-height:.96;letter-spacing:-.04em;margin:0 0 18px;text-wrap:balance}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero .lede{font-size:clamp(16px,1.8vw,19px);line-height:1.5;color:var(--mist);margin:0 0 24px;max-width:50ch}
.card p{font-size:15.5px;line-height:1.55;color:var(--mist);margin:0 0 12px}
.card p b{color:var(--bone);font-weight:600}
.tech{display:none}
body[data-mode=technical] .tech{display:block}
body[data-mode=technical] .ev{display:none}
.card pre{font:500 12px/1.55 var(--mono);color:#cfe0ff;background:rgba(3,4,10,.6);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:4px 0 12px;overflow-x:auto;white-space:pre}
.card code{font:500 .9em var(--mono);color:#cfe0ff}

/* live readouts */
.live{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 14px}
.m{flex:1 1 130px;border:1px solid color-mix(in srgb,var(--c,var(--acc)) 35%,transparent);border-radius:14px;padding:10px 12px 9px;background:color-mix(in srgb,var(--c,var(--acc)) 7%,transparent)}
.m small{display:flex;align-items:center;gap:6px;font:500 10.5px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--moss)}
.m small::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c,var(--acc));box-shadow:0 0 10px var(--c,var(--acc));animation:pulse 1.6s infinite}
.m.ex small::before{background:var(--moss);box-shadow:none;animation:none}
.m strong{display:block;font:700 26px/1.1 var(--disp);letter-spacing:-.03em;margin-top:4px;color:var(--bone)}
.m strong u{text-decoration:none;font:500 13px var(--mono);color:var(--mist);margin-left:3px;letter-spacing:0}
.m span{display:block;font-size:12.5px;color:var(--mist);margin-top:3px;line-height:1.35}
@keyframes pulse{50%{opacity:.35}}
.note{font:500 11px var(--mono);letter-spacing:.06em;color:var(--moss);margin:-4px 0 12px}

/* waterfall of the visitor's own load */
.wf{margin:6px 0 14px}
.wf .bar{display:flex;height:12px;border-radius:6px;overflow:hidden;background:rgba(242,243,239,.06)}
.wf .bar i{display:block;height:100%;min-width:2px}
.wf .keys{display:flex;flex-wrap:wrap;gap:6px 12px;margin-top:8px;font:500 11px var(--mono);color:var(--mist)}
.wf .keys span::before{content:"";display:inline-block;width:8px;height:8px;border-radius:2px;background:var(--k);margin-right:5px;vertical-align:-1px}

.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:6px}
.go{display:inline-flex;align-items:center;gap:12px;border:0;border-radius:999px;padding:8px 22px 8px 8px;background:var(--bone);color:#0b0c12;font-weight:650;font-size:16px;text-decoration:none;
  box-shadow:0 16px 50px -12px color-mix(in srgb,var(--acc) 70%,transparent);transition:transform .3s var(--ease)}
.go:hover{transform:translateY(-2px)}
.go span{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--gold)}
.go svg{width:15px;height:15px;fill:#0b0c12}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:10px 16px;background:rgba(14,16,28,.55);color:var(--bone);font-size:14px;font-weight:550;text-decoration:none;transition:border-color .3s,background .3s}
.btn:hover{border-color:color-mix(in srgb,var(--c,var(--acc)) 70%,transparent);background:rgba(24,28,46,.7)}
.film{display:flex;align-items:center;gap:10px;margin-top:4px;padding-top:14px;border-top:1px solid var(--line);font-size:14px;text-decoration:none;color:var(--mist)}
.film b{color:var(--bone);font-weight:600}
.film i{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--c,var(--acc));flex:none}
.film i svg{width:12px;height:12px;fill:#0b0c12;margin-left:2px}
.film:hover b{text-decoration:underline;text-underline-offset:3px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chips span{font:500 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--moss);border:1px solid var(--line);border-radius:999px;padding:6px 10px}

/* live API call */
.call{border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:6px 0 14px;background:rgba(3,4,10,.55)}
.call header{display:flex;align-items:center;gap:8px;padding:9px 12px;border-bottom:1px solid var(--line);font:500 12px var(--mono);color:var(--mist)}
.call header b{color:#0b0c12;background:var(--c);border-radius:6px;padding:2px 6px;font-weight:700}
.call pre{margin:0;border:0;border-radius:0;max-height:210px}
.call .st200{color:#9fe0a0}

/* act divider */
.act{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 20px}
.act div{max-width:640px}
.act .ey{margin-bottom:16px}
.act h2{font-family:var(--disp);font-weight:700;font-size:clamp(28px,4.4vw,52px);line-height:1.02;letter-spacing:-.035em;margin:0 0 14px;text-wrap:balance}
.act p{font-size:17px;line-height:1.5;color:var(--mist);margin:0 auto;max-width:46ch}

/* finale */
.fin{min-height:100vh;padding:140px clamp(16px,5vw,72px) 60px;display:flex;flex-direction:column;justify-content:center}
.fin h2{font-family:var(--disp);font-weight:700;font-size:clamp(30px,5vw,60px);letter-spacing:-.04em;line-height:1;margin:0 0 12px}
.fin>p{font-size:17px;color:var(--mist);margin:0 0 30px;max-width:52ch;line-height:1.5}
.films{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.films a{display:block;text-decoration:none;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:transform .4s var(--ease),border-color .3s}
.films a:hover{transform:translateY(-4px);border-color:var(--c)}
.films .th{aspect-ratio:16/10;background-position:center bottom !important;background-size:cover !important;background:radial-gradient(80% 90% at 50% 70%,color-mix(in srgb,var(--c) 35%,#0b0d18),#070810) center/cover no-repeat}
.films .tx{padding:12px 14px 14px}
.films .tx small{font:500 10.5px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--c)}
.films .tx b{display:block;font:700 15px/1.2 var(--disp);letter-spacing:-.02em;margin:6px 0 4px}
.films .tx span{font-size:13px;color:var(--mist);line-height:1.4;display:block}
.sign{margin-top:44px;display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:22px;font-size:14px;color:var(--mist)}
.sign a{color:var(--bone)}
.fin .privacy{font:500 11px var(--mono);color:var(--moss);letter-spacing:.04em;margin-top:14px;max-width:70ch;line-height:1.6}

@media (max-width:980px){.films{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){
  .jy-prog{display:none}
  .st{align-items:flex-end;min-height:130vh;padding-bottom:28px}
  .card{padding:18px 18px 16px;border-radius:18px}
  .card p{font-size:15px}
  .st:not(.hero) .card{margin-top:52vh}
  .st.hero{background:linear-gradient(0deg,rgba(5,6,12,.94) 0%,rgba(5,6,12,.78) 48%,rgba(5,6,12,0) 66%)}
  .m strong{font-size:22px}
  .films{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){.card{transition:none}html{scroll-behavior:auto}}