/* JENSN HUNG — keynote stage. Unofficial parody. */
:root{
  --bg:#050505; --bg2:#0b0c0b; --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.16);
  --fg:#f4f5f2; --mute:#9aa098; --dim:#5f645d;
  --g:#76B900; --g2:#9fe01a; --gglow:rgba(118,185,0,.55);
  --display:'Big Shoulders Display',Impact,'Arial Narrow',sans-serif;
  --sans:'Geist',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'Geist Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --rays:1; --ease:cubic-bezier(.2,.7,.1,1);
  --wrap:min(1240px,calc(100vw - 48px));
}
*{box-sizing:border-box}
html{background:var(--bg);color:var(--fg);-webkit-text-size-adjust:100%}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-stopped{overflow:hidden}
body{margin:0;font-family:var(--sans);font-size:17px;line-height:1.6;background:var(--bg);overflow-x:hidden;-webkit-font-smoothing:antialiased}
body:not(.rays-on){--rays:0}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--g);color:#000}
.mono{font-family:var(--mono);letter-spacing:.02em}
.g{color:var(--g)}
.wrap{width:var(--wrap);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;z-index:200;background:var(--g);color:#000;padding:8px 14px;font-weight:600}
.skip:focus{left:12px}
:focus-visible{outline:2px solid var(--g2);outline-offset:3px;border-radius:2px}

/* progress + overlays */
.progress{position:fixed;inset:0 0 auto 0;height:2px;z-index:120;background:rgba(255,255,255,.05)}
.progress__bar{display:block;height:100%;width:100%;transform-origin:0 50%;transform:scaleX(var(--p,0));background:linear-gradient(90deg,var(--g),var(--g2));box-shadow:0 0 12px var(--gglow)}
.spot{position:fixed;inset:0;pointer-events:none;z-index:3;opacity:calc(var(--rays)*.9);transition:opacity .8s var(--ease);
  background:radial-gradient(520px circle at var(--mx,50%) var(--my,30%),rgba(118,185,0,.09),transparent 60%)}
.grain{position:fixed;inset:-50%;pointer-events:none;z-index:4;opacity:.05;
  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='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* nav */
.nav{position:fixed;top:2px;left:0;right:0;z-index:100;display:flex;align-items:center;gap:20px;padding:14px max(24px,calc((100vw - 1240px)/2));
  background:linear-gradient(180deg,rgba(5,5,5,.85),rgba(5,5,5,.55));backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--line)}
.nav__brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.nav__mark{width:34px;height:34px;border-radius:8px;object-fit:cover;background:#fff;box-shadow:0 0 0 1px var(--line2),0 0 18px rgba(118,185,0,calc(var(--rays)*.35))}
.nav__word{font-family:var(--display);font-weight:900;font-size:24px;letter-spacing:.01em;line-height:1}
.nav__chapter{display:flex;gap:10px;font-size:12px;color:var(--mute);text-transform:uppercase;margin-left:8px;padding-left:20px;border-left:1px solid var(--line)}
.nav__chnum{color:var(--g)}
.nav__chname{transition:opacity .3s}
.nav__right{margin-left:auto;display:flex;align-items:center;gap:10px}
.chip{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--mute);border:1px solid var(--line2);padding:7px 12px;border-radius:999px;white-space:nowrap;text-transform:uppercase}
.chip b{color:var(--fg);font-weight:500}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--g);box-shadow:0 0 8px var(--g);margin-right:4px}
.rays{display:inline-flex;align-items:center;gap:10px;background:none;border:1px solid var(--line2);color:var(--fg);padding:6px 12px 6px 8px;border-radius:999px;cursor:pointer;font:inherit;transition:border-color .3s}
.rays:hover{border-color:var(--g)}
.rays__track{position:relative;width:34px;height:18px;border-radius:999px;background:#222;transition:background .4s var(--ease)}
.rays__knob{position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:#888;transition:transform .45s var(--ease),background .4s}
.rays[aria-pressed="true"] .rays__track{background:rgba(118,185,0,.35)}
.rays[aria-pressed="true"] .rays__knob{transform:translateX(16px);background:var(--g2);box-shadow:0 0 10px var(--g2)}
.rays__label{font-size:12px;text-transform:uppercase;color:var(--mute)}
.rays__label b{color:var(--fg);font-weight:500}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:14px;text-transform:uppercase;letter-spacing:.06em;padding:15px 22px;border-radius:2px;text-decoration:none;border:1px solid transparent;transition:transform .3s var(--ease),background .3s,box-shadow .3s,border-color .3s;cursor:pointer}
.btn[hidden]{display:none}
.btn--green{background:var(--g);color:#000;font-weight:600}
.btn--green:hover{background:var(--g2);box-shadow:0 0 30px var(--gglow);transform:translateY(-2px)}
.btn--ghost{border-color:var(--line2);color:var(--fg)}
.btn--ghost:hover{border-color:var(--g);color:var(--g2)}
.btn--off{border:1px dashed var(--line2);color:var(--mute);cursor:not-allowed}
.btn--small{padding:10px 16px;font-size:12px;background:var(--g);color:#000;border:0}
.btn--small:disabled{background:#1c1d1b;color:var(--mute);cursor:not-allowed}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity 1s var(--ease),transform 1.1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

/* ============ HERO ============ */
.hero{position:relative;min-height:100svh;padding:130px 0 0;display:flex;flex-direction:column;overflow:hidden;isolation:isolate}
.stage{position:absolute;inset:0;z-index:-1;pointer-events:none}
.stage__beams{position:absolute;inset:0;opacity:var(--rays);transition:opacity 1.2s var(--ease)}
.beam{position:absolute;top:-10%;width:34vw;height:120%;transform-origin:50% 0;filter:blur(28px);mix-blend-mode:screen;
  background:linear-gradient(180deg,rgba(150,230,40,.34),rgba(118,185,0,.10) 55%,transparent 85%);clip-path:polygon(44% 0,56% 0,100% 100%,0 100%);animation:sway 14s ease-in-out infinite alternate}
.b1{left:52%;transform:rotate(12deg);animation-duration:13s}
.b2{left:62%;transform:rotate(-8deg);opacity:.7;animation-duration:17s;animation-delay:-4s}
.b3{left:30%;transform:rotate(22deg);opacity:.35;animation-duration:19s;animation-delay:-8s}
.b4{left:76%;transform:rotate(-24deg);opacity:.45;animation-duration:15s;animation-delay:-2s}
@keyframes sway{from{rotate:-4deg}to{rotate:5deg}}
.stage__haze{position:absolute;inset:0;background:radial-gradient(60% 55% at 72% 46%,rgba(118,185,0,calc(.16*var(--rays) + .03)),transparent 70%),radial-gradient(40% 30% at 20% 0%,rgba(255,255,255,.04),transparent);transition:background 1s}
.stage__floor{position:absolute;left:-20%;right:-20%;bottom:0;height:42%;transform:perspective(600px) rotateX(62deg);transform-origin:50% 100%;
  background-image:linear-gradient(rgba(118,185,0,.35) 1px,transparent 1px),linear-gradient(90deg,rgba(118,185,0,.35) 1px,transparent 1px);background-size:64px 64px;
  -webkit-mask-image:radial-gradient(60% 90% at 60% 100%,#000,transparent 75%);mask-image:radial-gradient(60% 90% at 60% 100%,#000,transparent 75%);
  opacity:calc(.25 + .55*var(--rays));transition:opacity 1s;animation:floor 6s linear infinite}
@keyframes floor{to{background-position:0 64px,0 0}}

.hero__inner{flex:1;display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;padding-bottom:60px}
.eyebrow{font-size:12px;text-transform:uppercase;color:var(--mute);display:flex;align-items:center;gap:12px;margin:0 0 18px}
.live{display:inline-flex;align-items:center;gap:7px;color:#000;background:var(--g);padding:3px 9px;font-weight:600}
.live i{width:6px;height:6px;border-radius:50%;background:#000;animation:blink 1.4s steps(2) infinite}
@keyframes blink{50%{opacity:.15}}
.hero__title{font-family:var(--display);font-weight:900;font-size:clamp(88px,15.5vw,236px);line-height:.85;letter-spacing:-.01em;margin:0;text-transform:uppercase}
.hero__title .line{display:block}
.hero__tm{font-size:.28em;vertical-align:top;color:var(--g);margin-left:.08em;line-height:1}
.hero__sub{font-family:var(--display);font-weight:700;font-size:clamp(30px,3.6vw,52px);margin:22px 0 6px;letter-spacing:.005em;color:var(--g2)}
.hero__lede{max-width:34ch;color:#c9cdc6;font-size:clamp(17px,1.35vw,20px);margin:0 0 28px}
.spec{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;margin:0 0 30px;border:1px solid var(--line2);width:max-content;max-width:100%}
.spec div{padding:12px 20px;border-right:1px solid var(--line2)}
.spec div:last-child{border-right:0}
.spec dt{font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:.12em}
.spec dd{margin:2px 0 0;font-size:15px;color:var(--fg);word-break:break-all}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px}
.hero__foot{font-size:12px;color:var(--dim);margin:24px 0 0}

/* screen + portrait */
.screen{position:relative;margin:0;justify-self:center;width:min(100%,520px)}
.screen__frame{position:relative;padding:14px;border:1px solid var(--line2);background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
  box-shadow:0 40px 120px -30px rgba(118,185,0,calc(.55*var(--rays))),0 0 0 1px rgba(0,0,0,.6) inset;transition:box-shadow 1s var(--ease)}
.tick{position:absolute;width:14px;height:14px;border-color:var(--g);border-style:solid;border-width:0}
.tl{top:-1px;left:-1px;border-top-width:2px;border-left-width:2px}.tr{top:-1px;right:-1px;border-top-width:2px;border-right-width:2px}
.bl{bottom:-1px;left:-1px;border-bottom-width:2px;border-left-width:2px}.br{bottom:-1px;right:-1px;border-bottom-width:2px;border-right-width:2px}
.screen__hud{position:absolute;top:24px;left:24px;right:24px;z-index:3;display:flex;justify-content:space-between;font-size:11px;color:#333;pointer-events:none}
.screen__rec{display:inline-flex;align-items:center;gap:6px;color:#c00}
.screen__rec i{width:7px;height:7px;border-radius:50%;background:#e00;animation:blink 1.2s steps(2) infinite}
.portrait{position:relative;aspect-ratio:1/1;width:100%;background:#fefefe;overflow:hidden;cursor:pointer;-webkit-tap-highlight-color:transparent}
.portrait__img{width:100%;height:100%;object-fit:contain;user-select:none;-webkit-user-drag:none}
.eyes{position:absolute;inset:0;width:100%;height:100%;opacity:0;transition:opacity .25s;pointer-events:none}
.eyes.on{opacity:1}
.screen__scan{position:absolute;inset:14px;pointer-events:none;overflow:hidden;opacity:calc(.25 + .75*var(--rays))}
.screen__scan::after{content:"";position:absolute;left:0;right:0;height:30%;top:-30%;background:linear-gradient(180deg,transparent,rgba(118,185,0,.16),transparent);animation:scan 5.5s var(--ease) infinite}
@keyframes scan{to{top:110%}}
.screen figcaption{font-size:11.5px;color:var(--dim);margin-top:14px;text-transform:uppercase;letter-spacing:.05em}
.screen__glow{position:absolute;left:8%;right:8%;bottom:-40px;height:60px;background:radial-gradient(50% 50% at 50% 50%,rgba(118,185,0,calc(.6*var(--rays))),transparent);filter:blur(18px);z-index:-1;transition:opacity 1s}

.marquee{border-block:1px solid var(--line);overflow:hidden;background:rgba(5,5,5,.6);font-size:13px;text-transform:uppercase;color:var(--mute)}
.marquee__track{display:flex;gap:28px;width:max-content;padding:16px 0;animation:marq 38s linear infinite}
.marquee__track i{color:var(--g);font-style:normal}
@keyframes marq{to{transform:translateX(-50%)}}

/* ============ CHAPTERS ============ */
.chapter{position:relative;padding:150px 0}
.chapter + .chapter{border-top:1px solid var(--line)}
.ch-head{margin-bottom:64px;max-width:900px}
.ch-num{font-size:13px;text-transform:uppercase;color:var(--mute);margin:0 0 18px;letter-spacing:.1em}
.ch-num span{color:var(--g)}
.ch-title{font-family:var(--display);font-weight:800;text-transform:uppercase;font-size:clamp(54px,8vw,124px);line-height:.86;letter-spacing:-.005em;margin:0}
.ch-lede{color:var(--mute);font-size:19px;max-width:52ch;margin:26px 0 0}

/* update */
.update__grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.update__copy p{color:#c4c8c1;margin:0 0 18px;max-width:52ch}
.update__copy .big{font-family:var(--display);font-weight:700;font-size:clamp(28px,2.8vw,40px);line-height:1.08;color:var(--fg);text-transform:none}
.update__copy em{color:var(--fg);font-style:normal;border-bottom:1px solid var(--g)}
.facts{list-style:none;padding:0;margin:34px 0 0;border-top:1px solid var(--line)}
.facts li{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line);font-size:13px;text-transform:uppercase}
.facts span{color:var(--dim)}
.facts b{font-weight:500}

.chat{position:relative;background:#0c0d0c;border:1px solid var(--line2);border-radius:14px;overflow:hidden;box-shadow:0 30px 90px -40px rgba(118,185,0,calc(.6*var(--rays)))}
.chat__bar{display:flex;align-items:center;gap:14px;padding:12px 16px;border-bottom:1px solid var(--line);font-size:12px;color:var(--mute)}
.chat__dots{display:flex;gap:6px}.chat__dots i{width:10px;height:10px;border-radius:50%;background:#2a2b29}
.chat__lock{margin-left:auto;color:#000;background:var(--g);padding:2px 8px;font-size:10px;font-weight:600}
.chat__log{list-style:none;margin:0;padding:20px 18px 6px;display:flex;flex-direction:column;gap:10px;min-height:520px}
.msg{max-width:78%;display:flex;flex-direction:column;gap:3px;transition:opacity .45s var(--ease),transform .45s var(--ease)}
.msg b{font-family:var(--mono);font-size:10.5px;color:var(--dim);font-weight:500;text-transform:uppercase;letter-spacing:.08em}
.msg p{margin:0;background:#1a1b19;border:1px solid var(--line);padding:9px 13px;border-radius:14px 14px 14px 4px;font-size:15px;line-height:1.4}
.msg--me{align-self:flex-end;align-items:flex-end}
.msg--me b{color:var(--g)}
.msg--me p{background:var(--g);color:#071000;border-color:transparent;border-radius:14px 14px 4px 14px;font-weight:500}
.msg--img p{padding:6px;background:#fff;display:flex;flex-direction:column;gap:6px}
.msg--img img{width:150px;height:150px;object-fit:contain;border-radius:8px}
.msg--img span{font-size:10.5px;color:#4c5a3a;padding:0 4px 2px}
.chat.armed .msg{opacity:0;transform:translateY(10px)}
.chat.armed .msg.show{opacity:1;transform:none}
.chat__typing{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--dim);padding:0 18px 14px;height:28px;opacity:0;transition:opacity .25s}
.chat__typing.on{opacity:1}
.chat__typing i{width:5px;height:5px;border-radius:50%;background:var(--g);animation:dot 1s infinite}
.chat__typing i:nth-child(2){animation-delay:.15s}.chat__typing i:nth-child(3){animation-delay:.3s;margin-right:6px}
@keyframes dot{50%{transform:translateY(-4px);opacity:.4}}
.chat__replay{position:absolute;right:14px;bottom:12px;background:none;border:1px solid var(--line2);color:var(--mute);font-size:11px;text-transform:uppercase;padding:6px 10px;border-radius:999px;cursor:pointer}
.chat__replay:hover{color:var(--g2);border-color:var(--g)}

/* architecture */
.specgrid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line2);border-left:1px solid var(--line2)}
.card{position:relative;display:flex;flex-direction:column;gap:10px;padding:34px 30px 30px;min-height:210px;border-right:1px solid var(--line2);border-bottom:1px solid var(--line2);overflow:hidden;transition:background .5s var(--ease)}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(260px circle at var(--cx,50%) var(--cy,50%),rgba(118,185,0,.16),transparent 70%);opacity:0;transition:opacity .4s}
.card:hover::before{opacity:1}
.card::after{content:"";position:absolute;left:0;top:0;height:2px;width:100%;background:var(--g);transform:scaleX(0);transform-origin:0 50%;transition:transform .6s var(--ease)}
.card:hover::after{transform:scaleX(1)}
.card__k{font-size:12px;text-transform:uppercase;color:var(--dim);letter-spacing:.14em;position:relative}
.card__v{font-family:var(--display);font-weight:800;font-size:clamp(38px,4vw,58px);line-height:.95;text-transform:uppercase;position:relative;word-break:break-all}
.card__v.g{text-transform:none}
.card__v--ca{color:var(--g2)}
.card__n{margin-top:auto;font-size:12px;color:var(--mute);position:relative}

.bench{margin-top:80px;border:1px solid var(--line2);padding:34px clamp(20px,3vw,40px);background:linear-gradient(180deg,rgba(118,185,0,.04),transparent)}
.bench__head{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:22px}
.bench__head h3{margin:0;font-size:13px;text-transform:uppercase;font-weight:500;color:var(--fg)}
.bench__unit{font-size:12px;color:var(--dim);text-transform:uppercase}
.bench__row{display:grid;grid-template-columns:minmax(150px,260px) 1fr 90px;gap:20px;align-items:center;padding:12px 0;border-top:1px solid var(--line)}
.bench__row span{font-size:13px;color:var(--mute);text-transform:uppercase}
.bench__row b{font-size:14px;font-weight:500;text-align:right}
.bench__row small{color:var(--dim)}
.bar{height:10px;background:#141513;position:relative;overflow:hidden}
.bar i{position:absolute;inset:0;background:linear-gradient(90deg,#3d6000,var(--g),var(--g2));transform-origin:0 50%;transform:scaleX(0);transition:transform 1.6s var(--ease)}
.bench.in .bar i{transform:scaleX(var(--v))}
.bench.in .bench__row:nth-child(3) .bar i{transition-delay:.12s}.bench.in .bench__row:nth-child(4) .bar i{transition-delay:.24s}
.bench.in .bench__row:nth-child(5) .bar i{transition-delay:.36s}
.bar--zero::after{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:#e33}

/* how */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s;border-top:1px solid var(--line2)}
.step{padding:34px 26px 30px 0;margin-right:26px;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:0;margin-right:0}
.step__n{font-family:var(--display);font-weight:900;font-size:70px;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.35);transition:color .4s,-webkit-text-stroke-color .4s}
.step:hover .step__n{color:var(--g);-webkit-text-stroke-color:var(--g)}
.step h3{font-family:var(--display);font-weight:800;font-size:30px;text-transform:uppercase;margin:16px 0 10px;line-height:1}
.step p{color:var(--mute);font-size:15.5px;margin:0}
.how__cta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:56px}
.how__note{font-size:13px;color:var(--mute);text-transform:uppercase}
.how__note b{color:var(--g2);font-weight:500;text-transform:none}

/* faq */
.faq__wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.faq__wrap .ch-head{position:sticky;top:120px}
.faq__list details{border-top:1px solid var(--line2)}
.faq__list details:last-child{border-bottom:1px solid var(--line2)}
.faq__list summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0;font-family:var(--display);font-weight:700;font-size:clamp(24px,2.3vw,32px);text-transform:uppercase;line-height:1.05;transition:color .3s}
.faq__list summary::-webkit-details-marker{display:none}
.faq__list summary::after{content:"+";font-family:var(--mono);font-weight:400;font-size:22px;color:var(--g);transition:transform .4s var(--ease)}
.faq__list details[open] summary::after{transform:rotate(45deg)}
.faq__list summary:hover{color:var(--g2)}
.faq__list details p{margin:0 0 26px;color:#bfc3bc;max-width:60ch}

/* join */
.join{padding-bottom:110px}
.join__head{margin-bottom:56px}
.join__banner{margin:0 auto;width:min(1500px,calc(100vw - 32px));aspect-ratio:3/1;position:relative;border:1px solid var(--line2);overflow:hidden;
  box-shadow:0 60px 160px -50px rgba(118,185,0,calc(.6*var(--rays)))}
.join__banner img{width:100%;height:100%;object-fit:contain;transition:transform 1.4s var(--ease)}
.join__banner:hover img{transform:scale(1.015)}
.join__bar{display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center;margin-top:38px}
.cabox{display:flex;align-items:center;gap:18px;border:1px solid var(--line2);padding:10px 10px 10px 20px;flex-wrap:wrap}
.cabox__k{font-size:11px;color:var(--dim);text-transform:uppercase;letter-spacing:.12em}
.cabox__v{font-family:var(--mono);font-size:15px;color:var(--g2);word-break:break-all}
.join__links{display:flex;gap:10px}
.join__links:empty{display:none}
.join__note{grid-column:1/-1;font-size:12px;color:var(--dim);text-transform:uppercase;margin:0}

/* footer */
.foot{border-top:1px solid var(--line);padding:60px 0 50px;background:#030303}
.foot__inner{display:grid;grid-template-columns:auto 1fr;gap:20px 60px;align-items:start}
.foot__brand{display:flex;gap:14px;align-items:center}
.foot__brand img{width:48px;height:48px;border-radius:10px;background:#fff;object-fit:cover}
.foot__brand b{display:block;font-family:var(--display);font-size:26px;font-weight:900;line-height:1}
.foot__brand span{font-size:11.5px;color:var(--dim);text-transform:uppercase}
.foot__disc{margin:0;color:var(--mute);font-size:14px;max-width:80ch}
.foot__copy{grid-column:1/-1;margin:20px 0 0;font-size:12px;color:var(--dim);text-transform:uppercase}

.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--g);color:#000;padding:10px 18px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .3s,transform .4s var(--ease);z-index:150}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* rays off: flat, practical lighting */
body:not(.rays-on) .beam{animation-play-state:paused}
body:not(.rays-on) .portrait{filter:saturate(.9)}

/* responsive */
@media (max-width:1080px){
  .nav__chapter{display:none}
  .hero__inner{grid-template-columns:1fr;gap:40px}
  .screen{width:min(100%,460px)}
  .update__grid,.faq__wrap{grid-template-columns:1fr;gap:48px}
  .faq__wrap .ch-head{position:static}
  .specgrid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2){border-right:0;margin-right:0}
}
@media (max-width:720px){
  body{font-size:16px}
  :root{--wrap:calc(100vw - 32px)}
  .nav{padding:12px 16px;gap:10px}
  .nav__word{font-size:20px}
  .chip{display:none}
  .rays__label{display:none}
  .hero{padding-top:100px}
  .spec{grid-template-columns:1fr;width:100%}
  .spec div{border-right:0;border-bottom:1px solid var(--line2)}
  .spec div:last-child{border-bottom:0}
  .chapter{padding:100px 0}
  .ch-head{margin-bottom:44px}
  .specgrid,.steps{grid-template-columns:1fr}
  .step{border-right:0;margin-right:0;border-bottom:1px solid var(--line);padding-right:0}
  .bench__row{grid-template-columns:1fr 70px;gap:8px 14px}
  .bench__row .bar{grid-column:1/-1;grid-row:2}
  .chat__log{min-height:0}
  .msg{max-width:88%}
  .join__bar{grid-template-columns:1fr}
  .foot__inner{grid-template-columns:1fr}
  .btn{padding:14px 18px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
  .marquee__track{animation:none}
}