@font-face{font-family:Chakra Petch;font-weight:500;font-display:swap;src:url(/fonts/chakra-petch-latin-500-normal.woff2) format("woff2")}@font-face{font-family:Chakra Petch;font-weight:600;font-display:swap;src:url(/fonts/chakra-petch-latin-600-normal.woff2) format("woff2")}@font-face{font-family:Chakra Petch;font-weight:700;font-display:swap;src:url(/fonts/chakra-petch-latin-700-normal.woff2) format("woff2")}@font-face{font-family:IBM Plex Sans;font-weight:400;font-display:swap;src:url(/fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2")}@font-face{font-family:IBM Plex Sans;font-weight:400;font-style:italic;font-display:swap;src:url(/fonts/ibm-plex-sans-latin-400-italic.woff2) format("woff2")}@font-face{font-family:IBM Plex Sans;font-weight:500;font-display:swap;src:url(/fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2")}@font-face{font-family:IBM Plex Sans;font-weight:600;font-display:swap;src:url(/fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2")}@font-face{font-family:IBM Plex Mono;font-weight:400;font-display:swap;src:url(/fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2")}@font-face{font-family:IBM Plex Mono;font-weight:500;font-display:swap;src:url(/fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2")}:root{--void:#05090f;--deck:#0a1520;--glass:rgba(18,36,48,.55);--edge:rgba(120,220,210,.16);--signal:#4ff0c8;--signal-dim:rgba(79,240,200,.18);--spike:#ff9d5c;--ink:#e4f0ee;--muted:#8ba4a8;--display:"Chakra Petch",system-ui,sans-serif;--sans:"IBM Plex Sans",system-ui,-apple-system,sans-serif;--mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;--w:700px;--wide:1120px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;background:var(--void)}body{margin:0;color:var(--ink);font-family:var(--sans);font-size:18px;line-height:1.7;background:radial-gradient(1200px 600px at 80% -10%,rgba(79,240,200,.1),transparent 60%),radial-gradient(900px 500px at -10% 30%,rgba(60,120,255,.07),transparent 60%),var(--void);min-height:100vh}body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;background-image:linear-gradient(rgba(120,220,210,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(120,220,210,.045) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at 50% 20%,#000 30%,transparent 80%)}main,header,footer{position:relative;z-index:1}a{color:var(--signal);text-underline-offset:3px;text-decoration-color:#4ff0c866}a:hover{color:#9ffbe2}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--signal);outline-offset:3px}img{max-width:100%;height:auto;display:block}h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.12;letter-spacing:.005em;color:#f2fbf9}h1{font-size:clamp(32px,4.6vw,52px);margin:.25em 0 .4em}h2{font-size:clamp(24px,3vw,30px);margin:2em 0 .55em}h3{font-size:21px;margin:1.6em 0 .4em}strong{color:#fff;font-weight:600}.wrap{max-width:var(--w);margin:0 auto;padding:0 20px}.wrap-wide{max-width:var(--wide);margin:0 auto;padding:0 20px}.top{position:sticky;top:0;z-index:10;background:#05090fb8;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--edge)}.top .bar{display:flex;align-items:center;justify-content:space-between;height:62px;gap:16px}.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}.logo .mark{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:13px;color:var(--void);background:linear-gradient(140deg,#8ffbe0,var(--signal));box-shadow:0 0 18px #4ff0c873}.logo .name{font-family:var(--display);font-weight:600;font-size:16px;line-height:1.05;letter-spacing:.02em}.nav{display:flex;gap:24px;align-items:center;font-size:15px}.nav a{color:var(--muted);text-decoration:none}.nav a:hover{color:var(--ink)}.nav .cta{color:var(--void);background:var(--signal);padding:7px 15px;border-radius:999px;font-weight:600;box-shadow:0 0 20px #4ff0c859}.nav .cta:hover{background:#9ffbe2;color:var(--void)}@media(max-width:760px){.nav a:not(.cta){display:none}.logo .name{font-size:14px}.nav .cta{font-size:13px;padding:6px 12px}}.obs{position:relative;overflow:hidden;border-bottom:1px solid var(--edge)}.obs-in{position:relative;padding:72px 20px 210px;max-width:var(--wide);margin:0 auto}.status{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:13px;color:var(--signal);border:1px solid var(--edge);background:var(--glass);padding:6px 12px;border-radius:999px}.status i{width:8px;height:8px;border-radius:50%;background:var(--signal);box-shadow:0 0 10px var(--signal);animation:pulse 2.4s ease-in-out infinite}@keyframes pulse{50%{opacity:.3;box-shadow:none}}.obs h1{font-size:clamp(36px,5.6vw,66px);max-width:14em;margin:22px 0 14px;text-shadow:0 0 30px rgba(79,240,200,.18)}.obs p.sub{color:#b9cfd0;max-width:36em;font-size:19px;margin:0 0 28px}.search{display:flex;align-items:center;gap:12px;max-width:560px;border:1px solid rgba(79,240,200,.35);border-radius:14px;padding:0 18px;background:#08141ccc;color:var(--signal);box-shadow:0 0 0 1px #0006 inset,0 0 40px #4ff0c81a}.search:focus-within{border-color:var(--signal);box-shadow:0 0 0 4px #4ff0c81f,0 0 40px #4ff0c82e}.search input{flex:1;border:0;outline:0;font:inherit;font-size:17px;padding:15px 0;background:transparent;color:var(--ink)}.search input::placeholder{color:#6f8a8f}.scope{position:absolute;left:0;right:0;bottom:0;height:230px;pointer-events:none}.scope svg{width:100%;height:100%}.scope .base{stroke:#ff9d5c8c;stroke-width:1.6;fill:none;stroke-dasharray:5 7;vector-effect:non-scaling-stroke}.scope .line{stroke:var(--signal);stroke-width:2.6;fill:none;vector-effect:non-scaling-stroke;filter:drop-shadow(0 0 6px rgba(79,240,200,.9)) drop-shadow(0 0 18px rgba(79,240,200,.5));stroke-dasharray:2400;stroke-dashoffset:2400;animation:draw 3.2s cubic-bezier(.6,.1,.2,1) .3s forwards}.scope .area{fill:url(#glow);opacity:0;animation:fadein 1.4s ease 2.6s forwards}.scope .tick{stroke:#78dcd224;stroke-width:1;vector-effect:non-scaling-stroke}@keyframes draw{to{stroke-dashoffset:0}}@keyframes fadein{to{opacity:1}}.scope-legend{position:absolute;right:20px;bottom:22px;display:flex;gap:18px;font-family:var(--mono);font-size:12px;color:var(--muted)}.scope-legend span:before{content:"";display:inline-block;width:18px;height:2px;margin-right:7px;vertical-align:middle;background:var(--signal);box-shadow:0 0 6px var(--signal)}.scope-legend span.b:before{background:none;border-top:2px dashed var(--spike);box-shadow:none}.readout{position:absolute;right:20px;top:72px;width:230px;border:1px solid var(--edge);border-radius:14px;background:var(--glass);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:14px 16px;font-family:var(--mono);font-size:13px;margin:0}.readout div{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-bottom:1px dashed rgba(120,220,210,.14)}.readout div:last-child{border-bottom:0}.readout dt{color:var(--muted)}.readout dd{margin:0;color:var(--ink)}.readout dd b{color:var(--signal);font-weight:500;text-shadow:0 0 10px rgba(79,240,200,.6)}@media(max-width:980px){.readout{position:static;width:auto;max-width:560px;margin-top:22px;display:grid;grid-template-columns:repeat(2,1fr);column-gap:18px}.readout div:nth-last-child(2){border-bottom:0}}@media(max-width:600px){.obs-in{padding:40px 16px 150px}.obs p.sub{font-size:16px}.scope{height:150px}.scope-legend{display:none}.readout{font-size:12px}}@media(prefers-reduced-motion:reduce){.scope .line{animation:none;stroke-dashoffset:0}.scope .area{animation:none;opacity:1}.status i{animation:none}}.chips{display:flex;gap:8px;flex-wrap:wrap;margin:34px 0 22px}.chip{font:inherit;font-size:14px;border:1px solid var(--edge);background:transparent;border-radius:999px;padding:6px 14px;cursor:pointer;color:var(--muted)}.chip:hover{color:var(--ink);border-color:#4ff0c866}.chip.on{color:var(--void);background:var(--signal);border-color:var(--signal);box-shadow:0 0 16px #4ff0c859}.chip .code{display:none}.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding-bottom:20px}.tile{position:relative;aspect-ratio:1/1;display:flex;flex-direction:column;gap:9px;padding:20px;border-radius:16px;text-decoration:none;color:var(--ink);overflow:hidden;background:linear-gradient(160deg,#182e3ca6,#0a1520bf);border:1px solid var(--edge);transition:border-color .2s,box-shadow .2s}.tile:after{content:"";position:absolute;inset:-1px;border-radius:16px;pointer-events:none;background:radial-gradient(240px 140px at 85% 0%,rgba(79,240,200,.14),transparent 70%)}.tile:hover{border-color:#4ff0c88c;box-shadow:0 0 0 1px #4ff0c840,0 0 34px #4ff0c824;color:var(--ink)}.tile[hidden]{display:none}.tid{display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:11.5px;color:var(--muted)}.tid span:first-child{color:var(--signal)}.tile .ticon{color:var(--signal);filter:drop-shadow(0 0 6px rgba(79,240,200,.5));flex:none}.tile .tt{font-family:var(--display);font-weight:600;font-size:19px;line-height:1.2;color:#f2fbf9;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.tile .td{font-size:14.5px;line-height:1.5;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.spark{width:100%;height:26px;margin-top:auto;flex:none;overflow:visible}.spark path{fill:none;stroke:var(--signal);stroke-width:1.6;vector-effect:non-scaling-stroke;filter:drop-shadow(0 0 4px rgba(79,240,200,.8))}.tile .tr{font-size:13px;color:var(--signal);font-weight:500}.none{color:var(--muted)}@media(max-width:1000px){.tiles{grid-template-columns:repeat(3,1fr)}}@media(max-width:720px){.chips{flex-wrap:nowrap;overflow-x:auto;margin:22px -16px 16px;padding:0 16px;scrollbar-width:none}.chip{flex:none;font-size:13px}.tiles{grid-template-columns:repeat(2,1fr);gap:10px}.tile{padding:14px;border-radius:13px}.tile .td,.tile .spark{display:none}.tile .tt{font-size:15px;-webkit-line-clamp:5}.tile .tr{margin-top:auto;font-size:12px}.tid{font-size:10px}}article.wrap{padding-top:10px}.crumbs{font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-top:30px}.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--signal)}.meta{font-size:14.5px;color:var(--muted);display:flex;gap:10px;align-items:center;flex-wrap:wrap}.meta img{width:34px;height:34px;border-radius:50%;object-fit:cover;border:1px solid var(--edge)}.lede{font-size:20px;color:#c4d6d6}.answer{position:relative;border:1px solid rgba(79,240,200,.35);border-radius:16px;padding:20px 22px;margin:28px 0;background:linear-gradient(160deg,#4ff0c814,#0a1520b3);box-shadow:0 0 40px #4ff0c812}.answer .k{font-family:var(--display);font-weight:600;font-size:15px;color:var(--signal);letter-spacing:.02em}.answer p{margin:.35em 0 0;font-size:18px;color:#d7e6e5}.result{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:stretch;margin:16px 0 6px}.result .box{border-radius:12px;padding:12px;text-align:center;border:1px solid rgba(255,157,92,.35);background:#ff9d5c0f}.result .box small{display:block;font-size:12.5px;color:var(--muted);line-height:1.3}.result .box b{font-family:var(--display);font-size:32px;color:var(--spike)}.result .box.after{border-color:#4ff0c873;background:#4ff0c812}.result .box.after b{color:var(--signal);text-shadow:0 0 14px rgba(79,240,200,.6)}.result .arrow{align-self:center;color:var(--muted)}.change{display:inline-block;margin-top:10px;color:var(--void);background:var(--signal);border-radius:999px;padding:3px 12px;font-weight:600;font-size:14px;box-shadow:0 0 16px #4ff0c859}.prose{color:#d3e1e0}.prose figure{margin:30px 0}.prose figure img{border-radius:12px;margin:0 auto;max-width:560px;width:100%;border:1px solid var(--edge)}.prose figcaption{font-size:14.5px;color:var(--muted);text-align:center;margin-top:9px}.prose blockquote{margin:28px 0;padding:14px 20px;border-left:3px solid var(--signal);background:#4ff0c80f;border-radius:0 12px 12px 0;font-family:var(--display);font-size:21px;font-weight:500;color:#eafffa}.prose table{border-collapse:collapse;width:100%;font-size:16px;margin:22px 0}.prose th,.prose td{border-bottom:1px solid var(--edge);padding:10px 8px;text-align:left}.prose th{font-size:13px;color:var(--muted);font-weight:500}.prose tr:last-child td{color:var(--signal)}.prose ol.refs{font-size:14.5px;color:var(--muted)}.note{border:1px solid var(--edge);border-radius:14px;padding:16px 18px;font-size:15px;color:var(--muted);background:#0a152099}.cta-box{position:relative;overflow:hidden;border:1px solid rgba(79,240,200,.4);border-radius:18px;padding:26px 24px;margin:42px 0;background:radial-gradient(400px 200px at 90% 0%,rgba(79,240,200,.18),transparent 70%),var(--deck)}.cta-box h3{margin:0 0 6px}.cta-box p{color:#b9cfd0;margin:0 0 16px;font-size:16.5px}.btns{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-block;padding:11px 20px;border-radius:999px;font-weight:600;text-decoration:none;font-size:16px}.btn.primary,.btn.dark{background:var(--signal);color:var(--void);box-shadow:0 0 20px #4ff0c859}.btn.ghost{border:1px solid rgba(79,240,200,.45);color:var(--signal)}.btn:hover{filter:brightness(1.1)}.faq details{border-bottom:1px solid var(--edge);padding:13px 0}.faq summary{font-weight:500;cursor:pointer;color:var(--ink)}.faq p{color:#c4d6d6}.author{display:flex;gap:16px;align-items:center;border-top:1px solid var(--edge);border-bottom:1px solid var(--edge);padding:20px 0;margin:36px 0}.author img{width:72px;height:72px;border-radius:50%;object-fit:cover;border:1px solid var(--edge);box-shadow:0 0 18px #4ff0c833}.author p{margin:0;font-size:15.5px;color:var(--muted)}.section{padding:50px 0}.section h2{margin-top:0}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}.card{border:1px solid var(--edge);border-radius:16px;overflow:hidden;background:var(--deck);text-decoration:none;color:var(--ink);display:flex;flex-direction:column}.card:hover{border-color:#4ff0c880;color:var(--ink)}.card img{aspect-ratio:16/10;object-fit:cover;object-position:top;width:100%;opacity:.9}.card .b{padding:14px 16px 18px}.card .t{font-family:var(--display);font-weight:600;font-size:18px;line-height:1.2;margin:4px 0}.card .d{font-size:15px;color:var(--muted)}.tag{font-size:12.5px;color:var(--signal)}.topics{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.topic{border:1px solid var(--edge);background:var(--deck);border-radius:14px;padding:18px;text-decoration:none;color:var(--ink)}.topic:hover{border-color:#4ff0c880;color:var(--ink)}.topic b{font-family:var(--display);font-weight:600;font-size:19px;display:block;margin-bottom:4px}.topic span{font-size:15px;color:var(--muted)}.foot{border-top:1px solid var(--edge);margin-top:70px;padding:36px 0;font-size:14.5px;color:var(--muted);background:#05090f99}.foot .cols{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.foot a{color:var(--muted)}.foot a:hover{color:var(--signal)}.foot nav{display:flex;gap:16px;flex-wrap:wrap}.foot strong{color:var(--ink)}@media(max-width:600px){body{font-size:16.5px}h1{font-size:30px}.answer p{font-size:16.5px}.result .box b{font-size:26px}.lede{font-size:17px}}.tile .tt{flex-shrink:0;-webkit-line-clamp:3}.tile .td{flex-shrink:1;min-height:0;-webkit-line-clamp:2}.obs h1{max-width:12.5em}.tile{aspect-ratio:auto;min-height:270px}.tile .td{flex-shrink:0;-webkit-line-clamp:3}.spark{margin-top:auto}@media(max-width:720px){.tile{min-height:180px}}@media(max-width:600px){.readout{display:none}.obs h1{font-size:30px;margin:16px 0 10px}.status{font-size:11.5px}}