@font-face{font-family:"Unbounded";src:url(../fonts/unbounded-latin-wght-normal.woff2) format("woff2");font-weight:200 900;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url(../fonts/space-grotesk-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url(../fonts/space-grotesk-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url(../fonts/space-grotesk-latin-700-normal.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(../fonts/jetbrains-mono-latin-400-normal.woff2) format("woff2");font-weight:400 500;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(../fonts/jetbrains-mono-latin-600-normal.woff2) format("woff2");font-weight:600 700;font-display:swap}

:root{
 --bg:#03040a;--ink:#e8f0ff;--soft:#c3cee4;--dim:#8d9bb8;--ac:#3ff0ff;--gold:#ffc23d;--rule:#ffffff17;--card:#070b18;
 --fh:"Unbounded","Space Grotesk",system-ui,sans-serif;--fb:"Space Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;--fm:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
 --gut:max(16px,env(safe-area-inset-left,0px));--gutr:max(16px,env(safe-area-inset-right,0px));
 color-scheme:dark;
}
:lang(zh){--fh:"Unbounded","Noto Sans SC",sans-serif;--fb:"Space Grotesk","Noto Sans SC",sans-serif;--fm:"JetBrains Mono","Noto Sans SC",monospace}
:lang(hi){--fh:"Unbounded","Noto Sans Devanagari",sans-serif;--fb:"Space Grotesk","Noto Sans Devanagari",sans-serif;--fm:"JetBrains Mono","Noto Sans Devanagari",monospace}
:lang(ar){--fh:"Unbounded","Noto Kufi Arabic",sans-serif;--fb:"Space Grotesk","Noto Kufi Arabic",sans-serif;--fm:"JetBrains Mono","Noto Kufi Arabic",monospace}
:lang(ar) *{letter-spacing:0!important}
*,*:before,*:after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.55 var(--fb);overflow-x:hidden}
img{max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:2px solid var(--ac);outline-offset:3px}
[hidden]{display:none!important}
.skip{position:absolute;inset-inline-start:12px;top:-60px;z-index:100;background:var(--ac);color:#000;padding:10px 14px;font:600 13px var(--fm);text-decoration:none}
.skip:focus{top:12px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.k{font:600 11px/1.4 var(--fm);letter-spacing:.16em;text-transform:uppercase;color:var(--ac)}
:lang(zh) .k,:lang(hi) .k,:lang(ar) .k{letter-spacing:.04em}
.btn{display:inline-flex;align-items:center;gap:8px;font:600 13px var(--fm);letter-spacing:.06em;text-transform:uppercase;padding:13px 20px;color:#02040a;background:var(--ac);border:0;text-decoration:none;cursor:pointer;clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);transition:filter .2s}
.btn:hover{filter:brightness(1.15)}
.btn.o{background:transparent;color:var(--c,var(--ac));box-shadow:inset 0 0 0 1px var(--c,var(--ac))}
.btn.o:hover{background:color-mix(in srgb,var(--c,var(--ac)) 14%,transparent)}

/* Header */
.top{position:fixed;inset:0 0 auto;z-index:30;display:flex;align-items:center;gap:22px;padding:16px var(--gutr) 22px var(--gut);background:linear-gradient(180deg,#03040a 0%,#03040ad9 55%,transparent);font:500 12px var(--fm);letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
@media(min-width:821px){.top{padding-inline:max(32px,env(safe-area-inset-left,0px)) max(32px,env(safe-area-inset-right,0px))}}
.brand{font:700 15px var(--fh);letter-spacing:0;text-transform:none;color:#fff;text-decoration:none;white-space:nowrap}
.top nav{margin-inline-start:auto;display:flex;gap:20px}
.top nav a{text-decoration:none}.top nav a:hover{color:var(--ac)}
:lang(zh) .top,:lang(hi) .top,:lang(ar) .top{letter-spacing:.02em}
.top{transition:background-color .25s,box-shadow .25s}
.top.sc{background:#03040ae6;box-shadow:0 1px 0 var(--rule);padding-bottom:16px}
@supports (backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px)){.top.sc{background:#03040abf;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}}
.mnav{display:none;position:relative}
.mnav summary{list-style:none;cursor:pointer;display:grid;align-content:center;gap:4px;width:38px;height:31px;padding:0 10px;border:1px solid var(--rule)}
.mnav summary::-webkit-details-marker{display:none}
.mnav summary i{display:block;height:1.5px;background:#fff;transition:transform .2s,opacity .2s}
.mnav[open] summary i:nth-child(1){transform:translateY(5.5px) rotate(45deg)}.mnav[open] summary i:nth-child(2){opacity:0}.mnav[open] summary i:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.mnav ul{position:absolute;inset-inline-end:0;top:calc(100% + 6px);margin:0;padding:6px;list-style:none;background:#070b18f2;border:1px solid var(--rule);min-width:200px}
.mnav a{display:block;padding:12px 12px;text-decoration:none;color:#fff}.mnav a:hover,.mnav a:focus-visible{color:var(--ac)}
@media(prefers-reduced-motion:reduce){.top,.mnav summary i{transition:none}}
.lang{position:relative}
.lang summary{list-style:none;cursor:pointer;padding:6px 10px;border:1px solid var(--rule);color:#fff}
.lang summary::-webkit-details-marker{display:none}
.lang ul{position:absolute;inset-inline-end:0;top:calc(100% + 6px);margin:0;padding:6px;list-style:none;background:#070b18f2;border:1px solid var(--rule);min-width:170px;text-transform:none;letter-spacing:0}
.lang li a{display:block;padding:8px 10px;text-decoration:none;color:var(--soft);font:500 14px var(--fb)}
.lang li a:hover,.lang li a[aria-current]{color:#fff;background:#ffffff10}

/* Hero */
.hero{position:relative;height:100vh;height:100svh;min-height:640px;overflow:hidden}
.sky{position:absolute;inset:0}
.sky canvas,.sky img.still{position:absolute;inset:0;width:100%;height:100%}
.sky #bh,.sky img.still{inset:auto;pointer-events:none}
#bh{opacity:0;transition:opacity .8s}#bh.on{opacity:1}
img.still.off{opacity:0;transition:opacity .8s}
.shade{position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,#03040af2 0%,#03040ad0 25%,#03040a00 46%)}
[dir=rtl] .shade{background:linear-gradient(270deg,#03040af2 0%,#03040ad0 25%,#03040a00 46%)}
.intro{position:absolute;inset-inline-start:max(44px,env(safe-area-inset-left,0px));top:50%;transform:translateY(-46%);z-index:5;max-width:min(560px,42vw)}
.intro h1{font:800 clamp(40px,4.9vw,78px)/.98 var(--fh);letter-spacing:-.05em;margin:18px 0 24px;text-wrap:balance}
.intro h1.long{font-size:clamp(34px,3.9vw,62px)}
.intro h1 em{font-style:normal;color:var(--ac);text-shadow:0 0 34px #3ff0ff55}
:lang(zh) .intro h1,:lang(hi) .intro h1,:lang(ar) .intro h1{letter-spacing:0;line-height:1.1}
.intro p{font-size:18px;line-height:1.6;color:var(--soft);margin:0 0 26px;text-shadow:0 0 14px #03040a}
.row{display:flex;flex-wrap:wrap;gap:10px}
#labs{position:absolute;inset:0;pointer-events:none;z-index:6}
.lab{position:absolute;left:0;top:0;direction:ltr;pointer-events:auto;display:flex;flex-direction:column;align-items:flex-start;font:600 11px var(--fm);letter-spacing:.12em;text-transform:uppercase;color:#fff;white-space:nowrap;cursor:pointer;padding:3px 7px 3px 8px;border:0;border-inline-start:2px solid var(--c);background:#03040ab0;text-align:start;will-change:transform}
.lab small{display:none;color:var(--soft);letter-spacing:.01em;text-transform:none;font:400 12px var(--fb);margin-top:2px}
.lab.hid{opacity:0;pointer-events:none}.lab.hid:focus-visible{opacity:1}
.lab:hover,.lab:focus-visible,.lab.on{background:#0b1630ee}.lab:hover small,.lab:focus-visible small,.lab.on small{display:block}
.pz{position:absolute;inset-inline-end:max(24px,env(safe-area-inset-right,0px));bottom:28px;z-index:7;font:500 11px var(--fm);letter-spacing:.1em;text-transform:uppercase;color:var(--dim);background:#03040ab0;border:1px solid var(--rule);padding:7px 10px;cursor:pointer}
.pz:hover{color:#fff}

/* Sections */
.sec{position:relative;max-width:1200px;margin:0 auto;padding:130px max(44px,env(safe-area-inset-right,0px)) 0 max(44px,env(safe-area-inset-left,0px))}
.sh{display:grid;gap:12px;margin:0 0 40px;max-width:46rem}
.sh p{margin:0;color:var(--soft);font-size:17px;line-height:1.6}
.sh h2{margin:0;font:700 clamp(30px,3.4vw,46px)/1.1 var(--fh);letter-spacing:-.04em}
:lang(zh) .sh h2,:lang(hi) .sh h2,:lang(ar) .sh h2{letter-spacing:0}
.ab{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:64px;align-items:start}
.ab-l{display:grid;gap:22px;position:sticky;top:90px}
.pf{position:relative;aspect-ratio:1;width:100%;max-width:300px}
.pf img{position:absolute;inset:13%;width:74%;height:74%;border-radius:50%;object-fit:cover;box-shadow:0 0 0 1px #3ff0ff55,0 0 60px #3ff0ff22}
.pf i{position:absolute;inset:0;border-radius:50%;border:1px dashed #3ff0ff40;transform:rotateX(64deg)}
.pf b{position:absolute;inset:0;animation:orb 14s linear infinite}
.pf b:before{content:"";position:absolute;left:50%;top:-5px;width:10px;height:10px;border-radius:50%;background:var(--gold);box-shadow:0 0 14px var(--gold)}
@keyframes orb{to{transform:rotate(360deg)}}
.ab dl{display:grid;gap:12px;margin:0}
.ab dl div{border-top:1px solid var(--rule);padding-top:10px}
.ab dt{font:500 11px var(--fm);letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}.ab dd{margin:4px 0 0;font-size:15.5px}
.ab .ln{margin:0}
.ab-r p{font-size:19px;line-height:1.65;color:#d6deef;margin:0 0 20px;max-width:42rem}
.term{margin-top:34px;border:1px solid #3ff0ff33;border-radius:10px;background:linear-gradient(180deg,#081022,#050914);box-shadow:0 30px 80px -40px #3ff0ff40;overflow:hidden;max-width:46rem}
.term .tb{display:flex;align-items:center;gap:7px;padding:10px 14px;border-bottom:1px solid #ffffff12;font:500 12px var(--fm);color:var(--dim)}
.term .tb i{width:11px;height:11px;border-radius:50%;background:#ff5f57}.term .tb i:nth-child(2){background:#febc2e}.term .tb i:nth-child(3){background:#28c840}
.term .tb span{flex:1;text-align:center;margin-inline-end:40px}
.term pre{margin:0;padding:18px 20px 20px;font:400 13.5px/1.75 var(--fm);color:#c9d4ea;white-space:pre-wrap;overflow-wrap:anywhere;direction:ltr;text-align:left}
.term .pp{color:#5cff9d}.term .pc{color:#7e8db0}.term b{color:#fff;font-weight:500}.term .ls{color:var(--gold)}
.term .cur{display:inline-block;width:9px;height:1.1em;vertical-align:-.2em;background:var(--ac);animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* Projects */
.pj{display:grid;gap:26px}
.pr{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;padding:36px;border:1px solid var(--rule);background:radial-gradient(120% 140% at 0% 50%,color-mix(in srgb,var(--c) 12%,transparent),transparent 60%),var(--card)}
.pr:nth-child(even) .fig{order:2}
.pr:nth-child(even){background:radial-gradient(120% 140% at 100% 50%,color-mix(in srgb,var(--c) 12%,transparent),transparent 60%),var(--card)}
.fig{margin:0;min-width:0}
.fig canvas{display:block;width:100%;aspect-ratio:4/3;max-width:100%;background:#02030a;border:1px solid #ffffff12}
.win{border:1px solid #ffffff1f;border-radius:10px;overflow:hidden;background:#000;box-shadow:0 40px 90px -50px color-mix(in srgb,var(--c,var(--ac)) 70%,transparent)}
.win .bar{display:flex;align-items:center;gap:6px;padding:9px 12px;background:#0d111c;border-bottom:1px solid #ffffff14}
.win .bar i{width:9px;height:9px;border-radius:50%;background:#ffffff26}
.win .bar .url{margin-inline-start:10px;flex:1;min-width:0;font:500 12px var(--fm);color:var(--dim);background:#ffffff0b;border-radius:6px;padding:4px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;direction:ltr;text-align:left}
.fig.shot img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover}
.fig figcaption{margin-top:10px;font-size:13.5px;line-height:1.5;color:var(--dim)}
.pr .k{color:var(--c)}
.pr h3{margin:10px 0 6px;font:800 clamp(32px,3.8vw,52px)/1.02 var(--fh);letter-spacing:-.05em}
:lang(zh) .pr h3,:lang(hi) .pr h3,:lang(ar) .pr h3{letter-spacing:0}
.pr .s{font-size:18px;color:var(--c);margin:0 0 12px}
.pr p{color:var(--soft);font-size:16px;line-height:1.55;margin:0 0 14px;max-width:36rem}
ul.hl{margin:0 0 18px;padding:0;list-style:none;display:grid;gap:8px}
ul.hl li{position:relative;padding-inline-start:20px;color:#dfe6f4;font-size:15px;line-height:1.45}
ul.hl li:before{content:"";position:absolute;inset-inline-start:0;top:.5em;width:8px;height:8px;border-radius:50%;border:1px solid var(--c,var(--ac))}
.tg{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 20px;padding:0;list-style:none}
.tg li{font:500 12px var(--fm);padding:4px 9px;border:1px solid var(--rule);color:var(--soft)}
.links{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px}
a.u{font:600 13px var(--fm);color:var(--c,var(--ac));text-decoration:none;border-bottom:1px solid currentColor;overflow-wrap:anywhere}
.off{font:500 13px var(--fm);color:var(--dim)}

/* Education */
.ed{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;position:relative}
.ed:before{content:"";position:absolute;inset-inline:0;top:27px;height:1px;background:linear-gradient(90deg,#3ff0ff66,#3ff0ff22 80%,transparent)}
[dir=rtl] .ed:before{background:linear-gradient(270deg,#3ff0ff66,#3ff0ff22 80%,transparent)}
.ec{position:relative;padding:54px 20px 22px;border:1px solid var(--rule);background:var(--card);min-width:0}
.ec:before{content:"";position:absolute;inset-inline-start:20px;top:22px;width:11px;height:11px;border-radius:50%;background:var(--ac);box-shadow:0 0 14px var(--ac)}
.ec.pl:before{background:transparent;border:1px solid var(--ac);box-shadow:none}
.ec .y{font:500 12px var(--fm);color:var(--ac)}
.ec h3{margin:8px 0 4px;font:600 19px/1.25 var(--fb)}
.ec .w{color:var(--dim);font-size:14px;margin:0 0 12px}
.ec p{color:var(--soft);font-size:14.5px;line-height:1.5;margin:0 0 12px}
.ec em{display:block;font:500 11px var(--fm);font-style:normal;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.ec a.u{font-size:12px}

/* Experience */
.xp{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:40px;align-items:start}
.xr{display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;padding:20px 0;border-top:1px solid var(--rule)}
.xr .y{font:500 13px var(--fm);color:var(--ac)}.xr h3{margin:0 0 3px;font:600 18px var(--fb)}.xr .w{color:var(--dim);font-size:14px}.xr p{margin:8px 0 0;color:var(--soft);font-size:15px;line-height:1.5}
.pub{padding:24px;border:1px solid #ffc23d55;background:linear-gradient(180deg,#191306,#0a0904)}
.pub .k{color:var(--gold)}
.pub h3{margin:10px 0 8px;font:600 20px/1.3 var(--fb)}.pub p{color:var(--soft);font-size:14.5px;margin:0 0 14px}
.pub a.u{--c:var(--gold)}

/* Tools and contact */
.to{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px}
.to h3{margin:0 0 12px;font:500 14px var(--fb);color:var(--dim)}.to ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.to li{font:500 12.5px var(--fm);padding:5px 10px;border:1px solid var(--rule)}
.ct{padding:56px;border:1px solid #3ff0ff33;background:radial-gradient(90% 160% at 100% 0%,#3ff0ff14,transparent 60%),var(--card)}
.ct p{font-size:clamp(20px,2.2vw,28px);line-height:1.4;margin:14px 0 28px;max-width:38rem}
.em{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.em span{font:500 clamp(17px,2.4vw,30px) var(--fm);color:var(--ac);overflow-wrap:anywhere;user-select:all}
.em button{font:600 12px var(--fm);letter-spacing:.08em;text-transform:uppercase;padding:10px 14px;background:transparent;color:#fff;border:1px solid var(--rule);cursor:pointer}.em button:hover{border-color:var(--ac)}
.ln{display:flex;flex-wrap:wrap;gap:14px 26px;margin-top:26px;font:500 13px var(--fm)}.ln a{color:#fff;text-decoration:none;border-bottom:1px solid #ffffff40}.ln a:hover{border-color:var(--ac)}

footer{max-width:1200px;margin:110px auto 0;padding:24px max(44px,env(safe-area-inset-right,0px)) max(40px,env(safe-area-inset-bottom,0px)) max(44px,env(safe-area-inset-left,0px));border-top:1px solid var(--rule);font:500 12px var(--fm);color:var(--dim)}
footer .fr{display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;align-items:baseline}
footer .fl{display:flex;flex-wrap:wrap;gap:8px 16px}footer .fl a{text-decoration:none}footer .fl a:hover,footer .fl a[aria-current]{color:#fff}
.skynote{margin-top:22px;max-width:52rem}
.skynote summary{cursor:pointer;color:var(--soft);letter-spacing:.08em;text-transform:uppercase}
.skynote p{font:400 14px/1.6 var(--fb);color:var(--soft);margin:12px 0 0}

/* Roadmap */
.wl{position:relative;border:1px solid var(--rule);background:radial-gradient(70% 120% at 72% 60%,#ff4fd80d,transparent 60%),radial-gradient(60% 100% at 30% 70%,#3ff0ff0c,transparent 60%),var(--card);padding:18px 10px 8px}
.wls{display:block;width:100%;height:auto;font-family:var(--fb);overflow:visible}
.wls .gy{stroke:#ffffff0d}.wls .ty{fill:var(--dim);font:500 11px var(--fm);text-anchor:middle}
.wls .rl{fill:var(--dim);font:600 10.5px var(--fm);letter-spacing:.12em;text-transform:uppercase}
.wls .rail{stroke:#ffffff1a;stroke-dasharray:2 5}
.wls .wl{fill:none;stroke:var(--ac);stroke-width:2.4;filter:drop-shadow(0 0 5px #3ff0ff88)}
.wls .wl.pl{stroke:#ff4fd8;stroke-dasharray:7 6;filter:drop-shadow(0 0 5px #ff4fd866)}
.wls .ev line{stroke:#ffffff30}.wls .ev circle{fill:#03040a;stroke:var(--ac);stroke-width:2}
.wls .ev text{fill:#e8f0ff;font-size:12.5px}.wls .ev text.d{fill:var(--ac);font:500 11px var(--fm)}
.wls .ev.pl circle{stroke:#ff4fd8}.wls .ev.pl text.d{fill:#ff4fd8}
.wls .ev{transition:opacity .2s}.wls:hover .ev{opacity:.45}.wls .ev:hover{opacity:1}
.wls .sp rect.b{fill:color-mix(in srgb,var(--ac) 22%,transparent);stroke:color-mix(in srgb,var(--ac) 50%,transparent)}
.wls .sp-orion rect.b{fill:#ffc23d2e;stroke:#ffc23d80}.wls .sp-mba rect.b{fill:#5cff9d26;stroke:#5cff9d80}
.wls .sp rect.b.pl{fill:url(#none);fill:#ff4fd812;stroke:#ff4fd880;stroke-dasharray:4 3}
.wls .sp text{fill:var(--soft);font:500 11px var(--fb)}
.wls .now circle{fill:#fff}.wls .now .halo{fill:none;stroke:#fff;animation:halo 2.4s ease-out infinite;transform-box:fill-box;transform-origin:center}
.wls .now text{fill:#fff;font:600 10.5px var(--fm);letter-spacing:.12em;text-transform:uppercase;text-anchor:middle}
@keyframes halo{from{transform:scale(1);opacity:.9}to{transform:scale(3.2);opacity:0}}
.wll{display:none;list-style:none;margin:0;padding:6px 6px 6px 22px;position:relative}
.wll:before{content:"";position:absolute;inset-inline-start:9px;top:14px;bottom:14px;width:2px;background:linear-gradient(180deg,var(--ac) 0 62%,#ff4fd8 62%)}
.wll li{position:relative;display:grid;gap:2px;padding:10px 0 10px 18px}
.wll li:before{content:"";position:absolute;inset-inline-start:-18px;top:16px;width:10px;height:10px;border-radius:50%;background:#03040a;border:2px solid var(--ac)}
.wll li.fut:before{border-color:#ff4fd8}.wll li.nw:before{background:#fff;border-color:#fff;box-shadow:0 0 0 5px #ffffff22}
.wll .d{font:500 12px var(--fm);color:var(--ac)}.wll li.fut .d{color:#ff4fd8}
.wll .t{font-size:16px}.wll em{font:500 11px var(--fm);font-style:normal;letter-spacing:.1em;text-transform:uppercase;color:#ff4fd8}
.wll li.nw .t{font:600 11px var(--fm);letter-spacing:.14em;text-transform:uppercase;color:#fff}
[dir=rtl] .wll{padding:6px 22px 6px 6px}[dir=rtl] .wll li{padding:10px 18px 10px 0}

/* Landing view and case studies */
.world{position:fixed;inset:0;z-index:50;background:transparent;opacity:0;transition:opacity .3s}
.world.nogl{background:#03040a}
.world.on{opacity:1}
.world canvas#wc{position:absolute;inset:0;width:100%;height:100%}
.world .wv{position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .6s;background:linear-gradient(90deg,#03040af0 0%,#03040ac8 30%,#03040a30 55%,transparent 75%)}
[dir=rtl] .world .wv{background:linear-gradient(270deg,#03040af0 0%,#03040ac8 30%,#03040a30 55%,transparent 75%)}
.world.landed .wv{opacity:1}
.wbar{position:absolute;inset:0 0 auto;z-index:3;display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:16px var(--gutr) 16px var(--gut);opacity:0;transition:opacity .4s;pointer-events:none}
.wbar>*{pointer-events:auto}
@media(min-width:821px){.wbar{padding-inline:32px}}
.world.landed .wbar{opacity:1}
.world.sc .wbar{background:linear-gradient(180deg,#03040af2 55%,#03040a00)}.world:focus{outline:none}
.wbar button{font:600 12px var(--fm);letter-spacing:.08em;text-transform:uppercase;color:#fff;background:#03040ac8;border:1px solid #ffffff2a;padding:9px 13px;cursor:pointer;backdrop-filter:blur(6px)}
.wbar button:hover{border-color:var(--c,var(--ac))}
.wbar .sp{flex:1}
[dir=rtl] .wbar [aria-hidden]{display:inline-block;transform:scaleX(-1)}
@media(max-width:600px){.wbar{flex-wrap:nowrap;background:linear-gradient(180deg,#03040af0 60%,transparent);padding-bottom:22px}.wbar .t{display:none}.wbar button{padding:9px 11px;white-space:nowrap}}
.wp{position:absolute;inset:0;z-index:2;overflow-y:auto;overscroll-behavior:contain;opacity:0;transform:translateY(14px);transition:opacity .5s,transform .5s;pointer-events:none;scroll-behavior:smooth}
.world.landed .wp{opacity:1;transform:none;pointer-events:auto}
.cs-top{display:grid;grid-template-columns:minmax(0,460px) minmax(0,1fr);gap:56px;align-items:center;min-height:calc(100vh - 70px);min-height:calc(100svh - 70px);padding:92px max(36px,env(safe-area-inset-right,0px)) 40px max(36px,env(safe-area-inset-left,0px))}
.cs-hd .k{color:var(--c)}
.cs-hd h2:focus{outline:none}
.cs-hd h2{margin:12px 0 6px;font:800 clamp(40px,5vw,76px)/1 var(--fh);letter-spacing:-.05em}
:lang(zh) .cs-hd h2,:lang(hi) .cs-hd h2,:lang(ar) .cs-hd h2{letter-spacing:0;line-height:1.15}
.cs-hd .s{font-size:19px;color:var(--c);margin:0 0 16px}
.cs-hd .lede{color:#e3e9f6;font-size:18px;line-height:1.6;margin:0 0 24px}
.cs-hd .meta{display:grid;grid-template-columns:auto auto minmax(0,1fr);gap:10px 26px;margin:0 0 26px;padding:14px 0;border-block:1px solid #ffffff17}
.cs-hd .meta dt{font:500 10.5px var(--fm);letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.cs-hd .meta dd{margin:4px 0 0;font-size:14.5px;color:#fff}
.cs-hd .links{display:flex;flex-wrap:wrap;gap:10px}
.cs-hd .btn{background:var(--c);color:#04060c}
.cs-hd .orb{font:500 12px var(--fm);color:var(--dim);margin:22px 0 0}
.cs-media{margin:0;min-width:0;justify-self:end;width:min(100%,900px)}
.cs-media:has(.viz){width:min(100%,780px)}
.cs-media .win{background:#000}
.cs-media .vp{position:relative;aspect-ratio:16/10;background:#02030a}
.cs-media .win.viz .vp{aspect-ratio:4/3}
.cs-media .vp img,.cs-media .vp canvas{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:cover}
.cs-media .tabs{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.cs-media .tabs button{font:500 13px var(--fb);color:var(--soft);background:#03040ab8;border:1px solid #ffffff22;border-radius:999px;padding:7px 14px;cursor:pointer;backdrop-filter:blur(6px)}
.cs-media .tabs button[aria-selected=true]{color:#04060c;background:var(--c);border-color:var(--c)}
.cs-media figcaption{margin-top:12px;font-size:14px;color:#dfe6f4;line-height:1.5;text-shadow:0 0 6px #03040a,0 0 14px #03040a}
.cs-sheet{position:relative;padding:64px max(36px,env(safe-area-inset-right,0px)) 80px max(36px,env(safe-area-inset-left,0px));background:linear-gradient(180deg,#05070fee,#05070f 160px);border-top:1px solid color-mix(in srgb,var(--c) 40%,transparent);display:grid;gap:64px}
.cs-sheet>*{max-width:1240px;width:100%;margin-inline:auto}
.cs-sheet h3{margin:0 0 22px;font:700 clamp(22px,2.2vw,30px)/1.15 var(--fh);letter-spacing:-.03em}
:lang(zh) .cs-sheet h3,:lang(hi) .cs-sheet h3,:lang(ar) .cs-sheet h3{letter-spacing:0}
.pipe{list-style:none;margin:0;padding:0;display:flex;align-items:stretch;gap:0}
.pipe li{position:relative;flex:1 1 0;min-width:0;padding:18px 18px 20px;border:1px solid color-mix(in srgb,var(--c) 40%,#ffffff10);background:linear-gradient(180deg,color-mix(in srgb,var(--c) 10%,#070b18),#070b18);border-radius:10px}
.pipe li+li{margin-inline-start:44px}
.pipe li+li:before{content:"";position:absolute;inset-inline-end:100%;top:50%;width:44px;height:2px;background:linear-gradient(90deg,color-mix(in srgb,var(--c) 30%,transparent),var(--c))}
[dir=rtl] .pipe li+li:before{background:linear-gradient(270deg,color-mix(in srgb,var(--c) 30%,transparent),var(--c))}
.pipe li+li:after{content:"";position:absolute;inset-inline-end:calc(100% + 18px);top:calc(50% - 4px);width:10px;height:10px;border-radius:50%;background:var(--c);box-shadow:0 0 12px var(--c);animation:pkt 2.6s linear infinite}
@keyframes pkt{0%{transform:translateX(-22px);opacity:0}15%{opacity:1}85%{opacity:1}100%{transform:translateX(22px);opacity:0}}
[dir=rtl] .pipe li+li:after{animation-direction:reverse}
.pipe b{display:block;font:600 16px var(--fm);color:#fff;overflow-wrap:anywhere}
.pipe span{display:block;margin-top:6px;font-size:14px;line-height:1.45;color:var(--soft)}
.checks{display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;margin-top:22px}
.checks h4{margin:0;font:500 11px var(--fm);letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.checks ul{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.checks li{display:flex;gap:8px;align-items:baseline;padding:7px 12px;border:1px solid #ffffff1c;border-radius:999px;font-size:13.5px;color:var(--soft)}
.checks li b{font:600 12.5px var(--fm);color:var(--c)}
.cs-notes .grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.note{padding:24px 24px 26px;border:1px solid #ffffff14;background:#070b18;border-radius:10px;position:relative;overflow:hidden}
.note:before{content:"";position:absolute;inset:0 0 auto;height:2px;background:linear-gradient(90deg,var(--c),transparent)}
.note h4{margin:0 0 10px;font:600 18px/1.3 var(--fb)}
.note p{margin:0;color:var(--soft);font-size:15.5px;line-height:1.6}
.cs-in .cs-viz{margin:0;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:28px;align-items:end}
.cs-in canvas{width:100%;aspect-ratio:4/3;display:block;border:1px solid #ffffff14;border-radius:10px;background:#02030a}
.cs-in figcaption{color:var(--soft);font-size:16px;line-height:1.6}
.cs-next{display:grid;gap:4px;justify-items:start;text-align:start;padding:26px 28px;border:1px solid #ffffff1c;border-radius:12px;background:radial-gradient(80% 160% at 100% 50%,color-mix(in srgb,var(--n) 22%,transparent),transparent 70%),#070b18;color:#fff;cursor:pointer;font:inherit}
.cs-next:hover{border-color:var(--n)}
.cs-next .k{color:var(--n)}.cs-next b{font:800 clamp(26px,3vw,40px)/1.1 var(--fh);letter-spacing:-.04em}.cs-next span:last-child{color:var(--soft)}

@media(max-width:1000px){
 .ed{grid-template-columns:repeat(2,minmax(0,1fr))}.ed:before{display:none}.to{grid-template-columns:repeat(2,minmax(0,1fr))}.xp{grid-template-columns:minmax(0,1fr)}
 .cs-top{grid-template-columns:minmax(0,1fr);gap:30px;min-height:0;padding-top:84px}.cs-media{justify-self:stretch;width:100%}.world .wv{background:#03040ac8}
 .pipe{flex-direction:column}.pipe li+li{margin-inline-start:0;margin-top:30px}
 .pipe li+li:before{inset-inline-end:auto;inset-inline-start:28px;top:auto;bottom:100%;width:2px;height:30px;background:linear-gradient(180deg,color-mix(in srgb,var(--c) 30%,transparent),var(--c))}
 .pipe li+li:after{inset-inline-end:auto;inset-inline-start:24px;top:auto;bottom:calc(100% + 10px);animation-name:pktv}
 .cs-notes .grid{grid-template-columns:minmax(0,1fr)}.cs-in .cs-viz{grid-template-columns:minmax(0,1fr)}
 .ab{grid-template-columns:minmax(0,240px) minmax(0,1fr);gap:40px}
}
@keyframes pktv{0%{transform:translateY(-10px);opacity:0}20%{opacity:1}80%{opacity:1}100%{transform:translateY(10px);opacity:0}}
@media(max-width:900px){.wls{display:none}.wll{display:block}.wl{padding:14px 16px}}
@media(max-width:820px){
 .top nav{display:none}.mnav{display:block;margin-inline-start:auto}.top{gap:10px}
 .hero{height:auto;min-height:0;display:flex;flex-direction:column}.intro{order:1}.sky{order:2}
 .intro{position:relative;inset:auto;top:auto;transform:none;max-width:none;padding:118px var(--gutr) 0 var(--gut)}
 .intro h1{font-size:clamp(34px,10vw,52px)}.intro p{font-size:16px}
 .sky{position:relative;height:46vh;height:46svh;min-height:290px;max-height:430px}
 .shade{display:none}
 .pz{bottom:12px}
 .lab{font-size:10px;padding:2px 6px}
 .sec{padding:90px var(--gutr) 0 var(--gut)}
 .ab{grid-template-columns:minmax(0,1fr);gap:28px}.ab-l{position:static;grid-template-columns:150px minmax(0,1fr);align-items:center}.pf{max-width:150px}.ab-l .ln{grid-column:1/-1}.ab-r p{font-size:17px}
 .term pre{font-size:12px;padding:14px}
 .pr,.pr:nth-child(even){grid-template-columns:minmax(0,1fr);gap:20px;padding:20px}.pr:nth-child(even) .fig{order:0}
 .ed,.to{grid-template-columns:minmax(0,1fr)}.xr{grid-template-columns:minmax(0,1fr);gap:6px}.ct{padding:28px 20px}
 footer{padding-inline:var(--gut) var(--gutr)}
 .cs-top{padding:76px var(--gutr) 28px var(--gut)}.cs-sheet{padding:44px var(--gutr) 60px var(--gut);gap:48px}
 .cs-hd h2{font-size:clamp(36px,11vw,52px)}.cs-hd .lede{font-size:16.5px}.cs-hd .meta{grid-template-columns:auto minmax(0,1fr)}.cs-hd .meta div:last-child{grid-column:1/-1}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.wp{scroll-behavior:auto}.pf b,.term .cur,.pipe li:after,.wls .now .halo{animation:none!important}*{transition-duration:.01ms!important}}