/* blind - one-way glass. dark, chromed, animated. */
:root{
  --void:#08090b; --deep:#0d0f12; --raise:#14171c; --edge:#1f242b; --edge-2:#2c333c;
  --ink:#c8cfd8; --white:#f4f7fa; --mute:#79828e; --dim:#4e5661;
  --real:#e0a56b; --alias:#8fd7d1;
  --chrome:linear-gradient(135deg,#ffffff 0%,#c9d1da 26%,#7d8794 48%,#eef2f6 68%,#9aa4b0 100%);
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,monospace;
  --sans:"Inter",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--void);color:var(--ink);font-family:var(--sans);font-size:15.5px;
  line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(70% 48% at 50% -6%,rgba(150,170,195,.11),transparent 62%),
             radial-gradient(45% 40% at 88% 82%,rgba(120,200,195,.055),transparent 70%)}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px;position:relative;z-index:1}
a{color:var(--alias);text-decoration:none}
h1,h2,h3{color:var(--white);font-weight:600;letter-spacing:-.03em;margin:0}
.chrome{background:var(--chrome);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.mono{font-family:var(--mono)}
.kicker{font-family:var(--mono);font-size:10.5px;letter-spacing:.3em;text-transform:uppercase;color:var(--dim)}

/* nav */
nav{position:sticky;top:0;z-index:40;border-bottom:1px solid var(--edge);
  background:rgba(8,9,11,.72);backdrop-filter:blur(14px) saturate(1.4)}
.nav-in{max-width:1180px;margin:0 auto;padding:15px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;font-size:16.5px;color:var(--white);letter-spacing:-.02em}
.pane-ico{width:26px;height:26px;flex:none;display:block}
@keyframes glint{0%,72%{transform:translateX(-120%)}86%,100%{transform:translateX(120%)}}
.nav-links{display:flex;align-items:center;gap:28px;font-size:14px}
.nav-links a{color:var(--mute)}.nav-links a:hover{color:var(--white)}
.nav-cta{border:1px solid var(--edge-2);border-radius:7px;padding:7px 14px;color:var(--white)!important;font-size:13.5px}
.nav-cta:hover{border-color:var(--alias);box-shadow:0 0 22px rgba(143,215,209,.16)}
@media (max-width:820px){.nav-links a:not(.nav-cta){display:none}}

/* hero */
.hero{padding:104px 0 40px;text-align:center;position:relative;z-index:1}
.hero .kicker{display:block;margin-bottom:24px;animation:rise .7s cubic-bezier(.22,1,.36,1) both}
.hero h1{font-size:clamp(44px,7.4vw,86px);line-height:.99;margin-bottom:26px;
  animation:rise .8s cubic-bezier(.22,1,.36,1) .06s both}
.hero h1 span{display:block}
.hero p{font-size:18px;color:var(--mute);max-width:56ch;margin:0 auto 34px;
  animation:rise .8s cubic-bezier(.22,1,.36,1) .14s both}
.hero p b{color:var(--ink);font-weight:500}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;align-items:center;
  animation:rise .8s cubic-bezier(.22,1,.36,1) .22s both}
.term{font-family:var(--mono);font-size:14px;background:var(--raise);border:1px solid var(--edge-2);
  border-radius:9px;padding:12px 20px;color:var(--white);position:relative;overflow:hidden}
.term::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.1) 50%,transparent 65%);
  transform:translateX(-120%);animation:glint 5s ease-in-out 1s infinite}
.term i{color:var(--dim);font-style:normal}
.ghost{font-size:14px;color:var(--mute);border-bottom:1px solid var(--edge-2);padding-bottom:2px}
.ghost:hover{color:var(--white);border-color:var(--white)}

/* the pane */
.stage{margin:72px auto 0;max-width:1080px;position:relative;
  animation:rise .9s cubic-bezier(.22,1,.36,1) .3s both}
.panes{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--edge);border-radius:12px;
  overflow:hidden;background:var(--deep);position:relative}
@media (max-width:860px){.panes{grid-template-columns:1fr}}
.panes::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--edge-2);z-index:3}
@media (max-width:860px){.panes::before{display:none}}
.pane{padding:24px 26px;position:relative;min-height:262px}
.pane.right{background:linear-gradient(180deg,rgba(143,215,209,.035),transparent 60%)}
.pane .tag{font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--dim);display:flex;justify-content:space-between;margin-bottom:18px}
.pane .tag em{font-style:normal;color:var(--mute)}
.code{font-family:var(--mono);font-size:12.8px;line-height:2;color:var(--ink);white-space:pre;overflow-x:auto}
.code .c{color:var(--dim)}
.v-real{color:var(--real)}
.v-alias{color:var(--alias)}
/* the blind: venetian slats that tilt shut while the values change behind them */
.slats{position:absolute;inset:0;pointer-events:none;z-index:4;overflow:hidden;border-radius:12px;perspective:900px}
.slats i{display:block;height:calc(100%/14);transform-origin:top center;
  background:linear-gradient(180deg,#1b2029 0%,#11151b 55%,#080a0d 100%);
  box-shadow:0 1px 0 rgba(255,255,255,.05);
  transform:rotateX(84deg);animation:louver 6s cubic-bezier(.65,0,.35,1) infinite}
.slats i:nth-child(1){animation-delay:0s}    .slats i:nth-child(2){animation-delay:.03s}
.slats i:nth-child(3){animation-delay:.06s}  .slats i:nth-child(4){animation-delay:.09s}
.slats i:nth-child(5){animation-delay:.12s}  .slats i:nth-child(6){animation-delay:.15s}
.slats i:nth-child(7){animation-delay:.18s}  .slats i:nth-child(8){animation-delay:.21s}
.slats i:nth-child(9){animation-delay:.24s}  .slats i:nth-child(10){animation-delay:.27s}
.slats i:nth-child(11){animation-delay:.3s}  .slats i:nth-child(12){animation-delay:.33s}
.slats i:nth-child(13){animation-delay:.36s} .slats i:nth-child(14){animation-delay:.39s}
@keyframes louver{
  0%,62%   {transform:rotateX(84deg)}
  76%,84%  {transform:rotateX(2deg)}
  96%,100% {transform:rotateX(84deg)}
}
.caption{text-align:center;font-family:var(--mono);font-size:11.5px;color:var(--dim);margin-top:20px;letter-spacing:.05em}
.caption b{color:var(--alias);font-weight:400}

/* sections */
section{padding:96px 0;position:relative;z-index:1}
.head{text-align:center;max-width:60ch;margin:0 auto 56px}
.head h2{font-size:clamp(28px,4.2vw,42px);line-height:1.12;margin-bottom:14px}
.head p{color:var(--mute);font-size:16.5px;margin:0}
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
.reveal.in{opacity:1;transform:none}
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:880px){.cols{grid-template-columns:1fr}}
.card{border:1px solid var(--edge);border-radius:11px;padding:28px 26px;background:linear-gradient(180deg,var(--raise),var(--deep));
  transition:.3s cubic-bezier(.22,1,.36,1);position:relative;overflow:hidden}
.card:hover{border-color:var(--edge-2);transform:translateY(-4px);box-shadow:0 18px 44px rgba(0,0,0,.45)}
.card::after{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);opacity:0;transition:.3s}
.card:hover::after{opacity:1}
.card h3{font-size:18px;margin-bottom:9px}
.card p{color:var(--mute);font-size:14.5px;margin:0}
.card .n{font-family:var(--mono);font-size:10.5px;letter-spacing:.24em;color:var(--dim);display:block;margin-bottom:15px}
.ledger{border:1px solid var(--edge);border-radius:11px;overflow:hidden}
.ledger .r{display:grid;grid-template-columns:1fr 1fr;font-family:var(--mono);font-size:13px;border-bottom:1px solid var(--edge)}
.ledger .r:last-child{border-bottom:none}
.ledger .r>span{padding:16px 22px}
.ledger .r>span:first-child{color:var(--real);background:rgba(224,165,107,.05);border-right:1px solid var(--edge)}
.ledger .r>span:last-child{color:var(--alias);background:rgba(143,215,209,.045)}
.ledger .hd>span{color:var(--dim)!important;background:var(--raise)!important;font-size:10px;letter-spacing:.24em;text-transform:uppercase}
.quote{font-size:clamp(24px,3.6vw,36px);line-height:1.3;text-align:center;max-width:20ch;margin:0 auto;color:var(--white);letter-spacing:-.03em}
.sub-quote{text-align:center;color:var(--mute);max-width:58ch;margin:26px auto 0;font-size:16px}
footer{border-top:1px solid var(--edge);padding:44px 0;color:var(--dim);font-size:13.5px;position:relative;z-index:1}
.foot{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* docs */
pre{background:var(--deep);border:1px solid var(--edge);border-radius:9px;color:var(--ink);
  padding:17px 19px;overflow-x:auto;font-family:var(--mono);font-size:12.8px;line-height:1.85;margin:0 0 18px}
code{font-family:var(--mono);font-size:.9em}
p code,li code,td code{background:var(--raise);border:1px solid var(--edge);padding:2px 6px;border-radius:5px;color:var(--white)}
.docs{display:grid;grid-template-columns:198px minmax(0,1fr) 178px;gap:46px;padding:46px 0 90px;position:relative;z-index:1}
@media (max-width:1060px){.docs{grid-template-columns:194px minmax(0,1fr)}.toc{display:none}}
@media (max-width:880px){.docs{grid-template-columns:1fr;gap:22px}}
.side{position:sticky;top:76px;align-self:start;font-size:14px}
@media (max-width:880px){.side{position:static}}
.search{position:relative;margin-bottom:22px}
.search input{width:100%;padding:9px 11px 9px 31px;border:1px solid var(--edge-2);border-radius:8px;
  background:var(--raise);color:var(--ink);font-family:var(--sans);font-size:13.5px}
.search input:focus{outline:none;border-color:var(--alias)}
.search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:13px;height:13px;color:var(--dim)}
.side h4{font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--dim);margin:24px 0 9px;font-weight:400}
.side h4:first-of-type{margin-top:0}
.side a{display:block;color:var(--mute);padding:5px 0 5px 12px;border-left:1px solid var(--edge)}
.side a:hover{color:var(--white);border-color:var(--edge-2)}
.side a.on{color:var(--alias);border-color:var(--alias)}
.side a.hide{display:none}
.toc{position:sticky;top:76px;align-self:start;font-size:12.5px}
.toc .lbl{font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--dim);margin-bottom:11px}
.toc a{display:block;color:var(--dim);padding:4px 0 4px 13px;border-left:1px solid var(--edge);line-height:1.45}
.toc a.sub{padding-left:24px}.toc a:hover{color:var(--ink)}
.toc a.on{color:var(--alias);border-color:var(--alias)}
.crumbs{font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--dim);margin-bottom:12px}
.lede{font-size:17.5px;color:var(--mute);margin:0 0 10px;max-width:60ch}
.doc h2{font-size:26px;margin:48px 0 14px;padding-top:22px;border-top:1px solid var(--edge)}
.doc h2:first-of-type{margin-top:26px}
.doc h3{font-size:17px;margin:28px 0 9px;color:var(--white)}
.doc p{color:var(--mute);margin:0 0 15px;max-width:70ch}
.doc ul{color:var(--mute);padding-left:20px;max-width:70ch}.doc li{margin:8px 0}
table{width:100%;border-collapse:collapse;font-size:14px;margin:18px 0;border:1px solid var(--edge);border-radius:9px;overflow:hidden}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--edge);color:var(--mute);vertical-align:top}
tr:last-child td{border-bottom:none}
th{color:var(--dim);background:var(--raise);font-family:var(--mono);font-weight:400;font-size:10px;letter-spacing:.22em;text-transform:uppercase}
.note-box{border-left:2px solid var(--alias);background:var(--raise);padding:15px 20px;color:var(--mute);
  font-size:14.5px;margin:22px 0;max-width:70ch;border-radius:0 8px 8px 0}
.note-box b{color:var(--white)}