/* Zephyron / Signal edition — local assets, system fonts, no dependencies. */
:root{color-scheme:dark;--bg:#09090b;--surface:rgba(27,27,31,.72);--surface-strong:rgba(19,19,22,.88);--surface-soft:rgba(255,255,255,.055);--text:#f2f2f3;--muted:#a0a0a8;--quiet:#707078;--line:rgba(255,255,255,.13);--line-strong:rgba(255,255,255,.25);--shine:rgba(255,255,255,.16);--solid:#f0f0f2;--solid-text:#151518;--shadow:rgba(0,0,0,.36);--page:1120px}
html[data-theme=light]{color-scheme:light;--bg:#fbfbfc;--surface:rgba(255,255,255,.76);--surface-strong:rgba(255,255,255,.92);--surface-soft:rgba(22,22,30,.04);--text:#18181c;--muted:#5e5e67;--quiet:#85858e;--line:rgba(20,20,28,.1);--line-strong:rgba(20,20,28,.2);--shine:rgba(255,255,255,.9);--solid:#1d1d21;--solid-text:#fff;--shadow:rgba(34,34,52,.1)}
*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth;scroll-padding-top:110px;scrollbar-gutter:stable}body{margin:0;min-width:320px;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s;isolation:isolate}body.menu-open{position:fixed;left:0;right:0;overflow:hidden}a{color:inherit;text-decoration:none}button{color:inherit;font:inherit;cursor:pointer}a,button{-webkit-tap-highlight-color:transparent;touch-action:manipulation}a:focus-visible,button:focus-visible{outline:2px solid var(--text);outline-offset:5px}::selection{background:var(--text);color:var(--bg)}.skip{position:fixed;left:18px;top:-100px;z-index:100;padding:13px 17px;border-radius:30px;background:var(--solid);color:var(--solid-text)}.skip:focus{top:16px}
.backdrop{position:absolute;inset:0 0 auto;height:1500px;overflow:hidden;pointer-events:none;z-index:-2}.glow{position:absolute;border-radius:50%;filter:blur(100px);opacity:.16;background:#fff}.glow-one{width:440px;height:440px;top:110px;right:-160px}.glow-two{width:330px;height:330px;top:890px;left:-150px;opacity:.08}.grain{position:absolute;inset:0;opacity:.06;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E")}html[data-theme=light] .glow{background:#8b8b9d;opacity:.08}html[data-theme=light] .grain{opacity:.025}
.frost{background:linear-gradient(145deg,var(--shine),transparent 36%),var(--surface);border:1px solid var(--line);box-shadow:inset 0 1px 0 var(--shine),0 22px 60px var(--shadow);-webkit-backdrop-filter:blur(28px) saturate(.9);backdrop-filter:blur(28px) saturate(.9)}
.header{position:sticky;top:20px;z-index:20;width:min(var(--page),calc(100% - 40px));margin:20px auto 0}.nav{min-height:68px;display:flex;align-items:center;gap:20px;padding:9px 12px 9px 20px;border-radius:22px}.brand{display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:600;letter-spacing:-.65px}.symbol-crop{position:relative;display:inline-block;width:30px;height:32px;overflow:hidden;flex:none}.symbol-crop img{position:absolute;width:61px;height:61px;max-width:none;left:-15px;top:-14px}.theme-logo{filter:none}html[data-theme=light] .theme-logo{filter:brightness(0)}.nav-download{margin-left:auto;color:var(--muted);font-size:12px}.nav-download:hover{color:var(--text)}.controls{display:flex;align-items:center;padding:3px;border:1px solid var(--line);background:var(--surface-soft);border-radius:16px}.controls button{width:38px;height:36px;display:grid;place-items:center;border:0;background:transparent;border-radius:12px;font-size:10px;font-weight:700}.controls button:hover{background:var(--surface-soft)}.divider{width:1px;height:14px;background:var(--line)}.controls svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round}.moon{display:none}html[data-theme=light] .moon{display:block}html[data-theme=light] .sun{display:none}.menu-toggle{width:42px;height:42px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;flex:none;border:1px solid var(--line);background:var(--surface-soft);border-radius:14px}.menu-toggle:hover{border-color:var(--line-strong)}.menu-toggle span{width:16px;height:1.5px;background:currentColor;border-radius:2px;transition:transform .25s,opacity .25s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(6.5px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:nth-child(2){opacity:0}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-6.5px) rotate(-45deg)}
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.downloads{width:min(var(--page),calc(100% - 40px));margin:128px auto 0;padding-bottom:95px;scroll-margin-top:115px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin:23px 0 38px}.download-list{overflow:hidden;border-radius:28px}.download-row{position:relative;width:100%;min-height:118px;display:grid;grid-template-columns:38px 42px 1fr auto;align-items:center;gap:21px;padding:20px 24px;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;transition:background .2s}.download-row:last-child{border-bottom:0}.download-row:hover{background:var(--surface-soft)}.download-row:before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--text);transform:scaleY(0);transition:transform .2s}.download-row:hover:before{transform:scaleY(1)}.row-number{color:var(--quiet);font-size:9px;letter-spacing:1px}.os{width:29px;height:29px;fill:none;stroke:currentColor;stroke-width:1.45;stroke-linecap:round}.windows{fill:currentColor;stroke:none}.row-name{display:grid;gap:6px}.row-name strong{font-size:22px;font-weight:550;letter-spacing:-.7px}.row-name small{color:var(--muted);font-size:11px}.row-action{display:flex;align-items:center;gap:16px;color:var(--muted);font-size:11px}.row-action i{width:39px;height:39px;display:grid;place-items:center;border:1px solid var(--line);border-radius:12px;color:var(--text);font-size:19px;font-style:normal}.download-note{margin:20px 0 0;color:var(--quiet);text-align:center;font-size:10px}
footer{width:min(calc(var(--page) - 48px),calc(100% - 40px));min-height:82px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--line);color:var(--quiet);font-size:10px}footer .brand{color:var(--text);font-size:15px}footer .symbol-crop{transform:scale(.76);transform-origin:left center;margin-right:-5px}.toast{position:fixed;left:50%;bottom:24px;z-index:40;width:max-content;max-width:calc(100% - 32px);padding:16px 21px;border-radius:17px;font-size:12px;line-height:1.5;text-align:center;opacity:0;visibility:hidden;transform:translate(-50%,12px);transition:opacity .2s,transform .2s,visibility .2s}.toast.visible{opacity:1;visibility:visible;transform:translate(-50%,0)}
dialog.site-menu{position:fixed;inset:0;width:min(490px,calc(100vw - 32px));height:fit-content;max-height:calc(100dvh - 40px);margin:auto;padding:25px 18px 17px;overflow:auto;color:var(--text);border:1px solid var(--line-strong);border-radius:28px;background:linear-gradient(145deg,var(--shine),transparent 35%),var(--surface-strong);box-shadow:inset 0 1px 0 var(--shine),0 36px 100px rgba(0,0,0,.42);-webkit-backdrop-filter:blur(35px);backdrop-filter:blur(35px)}dialog.site-menu[open]{animation:modal-in .23s ease-out}dialog.site-menu::backdrop{background:rgba(0,0,0,.68);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:fade-in .22s ease-out}html[data-theme=light] dialog.site-menu::backdrop{background:rgba(18,18,28,.38)}.menu-top{display:flex;justify-content:space-between;align-items:flex-start;padding:0 9px 21px 11px}.menu-brand{font-size:22px;font-weight:600;letter-spacing:-.8px}.menu-caption{margin:8px 0 0;padding:0;color:var(--muted);font-size:8px;font-weight:500;letter-spacing:2px}.menu-close{width:39px;height:39px;display:grid;place-items:center;border:1px solid var(--line);border-radius:13px;background:var(--surface-soft)}.menu-close svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round}.site-menu nav{display:grid;gap:5px}.site-menu nav a{display:flex;align-items:center;gap:16px;padding:18px 15px;border:1px solid transparent;border-radius:16px;font-size:14px;line-height:1.4}.site-menu nav a:hover,.site-menu nav a[aria-current=page]{border-color:var(--line);background:var(--surface-soft)}.menu-number{color:var(--quiet);font-size:8px}.menu-link-arrow{margin-left:auto;color:var(--muted)}.menu-footer{display:flex;align-items:center;gap:8px;margin:20px 12px 3px;color:var(--muted);font-size:9px}
.subpage{width:min(900px,calc(100% - 40px));min-height:calc(100vh - 190px);margin:0 auto;padding:90px 0 100px}.back-home{display:inline-flex;gap:9px;margin-bottom:45px;color:var(--muted);font-size:11px}.back-home:hover{color:var(--text)}.subpage h1{margin:0 0 17px;font-size:clamp(42px,6vw,68px);line-height:1.02;letter-spacing:-.06em;font-weight:500;overflow-wrap:anywhere}.page-intro{margin:0 0 36px;color:var(--muted);font-size:14px;line-height:1.7}.platform-tabs{width:max-content;max-width:100%;display:flex;gap:4px;margin-bottom:22px;padding:5px;border-radius:16px}.platform-tabs button{padding:11px 20px;border:1px solid transparent;border-radius:11px;background:transparent;font-size:11px}.platform-tabs button[aria-pressed=true]{background:var(--solid);color:var(--solid-text)}.empty-state{padding:55px 32px;border-radius:28px;text-align:center}.empty-mark{width:55px;height:55px;display:grid;place-items:center;margin:0 auto 22px;border:1px solid var(--line);border-radius:16px;background:var(--surface-soft);font-size:24px}.selected-platform{display:inline-block;padding:6px 12px;border:1px solid var(--line);border-radius:10px;color:var(--muted);font-size:10px}.empty-state h2{margin:16px 0 10px;font-size:24px;font-weight:500;letter-spacing:-.5px}.empty-state p{max-width:430px;margin:auto;color:var(--muted);font-size:12px;line-height:1.7}
@keyframes orbit{to{transform:translate(-50%,-50%) rotate(360deg)}}@keyframes seal-spin{to{transform:rotate(360deg)}}@keyframes breathe{0%,100%{opacity:.72}50%{opacity:1}}@keyframes blink{0%,100%{opacity:.3}50%{opacity:1}}@keyframes modal-in{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}@keyframes fade-in{from{opacity:0}to{opacity:1}}
@media(max-width:820px){.hero-grid{grid-template-columns:1fr}.hero-copy{padding:55px 42px 0}.wordmark{max-width:510px}.eclipse-scene{min-height:470px}.hero-shell:before{display:none}.product-heading,.section-heading{display:block}.product-heading p,.section-heading p{margin-top:14px}.product-stage{min-height:620px}.app-window{width:calc(100% - 50px);height:480px}.client-sidebar{width:190px}.chat-preview{grid-template-columns:31px 1fr}.chat-preview time{display:none}}
@media(max-width:560px){html{scroll-padding-top:90px}.header{top:10px;width:calc(100% - 24px);margin-top:10px}.nav{min-height:60px;padding:7px 8px 7px 14px;border-radius:18px;gap:8px}.brand{font-size:16px}.nav-download{display:none}.controls{margin-left:auto}.controls button{width:35px;height:33px}.menu-toggle{width:39px;height:39px;border-radius:12px}.hero{width:calc(100% - 24px);padding-top:27px}.hero-shell{border-radius:26px}.hero-meta{height:47px;padding:0 17px;letter-spacing:1.2px}.hero-meta>span:last-child{display:none}.hero-copy{padding:41px 21px 0}.wordmark{width:calc(100% + 25px);height:86px;margin-left:-17px}.headline{font-size:43px}.intro{margin-top:18px;font-size:13px}.hero-actions{align-items:flex-start;flex-direction:column;gap:16px;margin-top:27px}.eclipse-scene{min-height:380px}.ring-outer{width:300px;height:300px}.ring-inner{width:225px;height:225px}.eclipse-corona{width:270px;height:270px}.eclipse-disc{width:174px;height:174px}.eclipse-disc img{width:186px;height:186px}.eclipse-flare{left:calc(50% + 62px);top:calc(50% - 60px)}.coordinate-left{left:20px}.coordinate-right{right:20px}.hero-base{grid-template-columns:32px auto 1fr 32px;gap:9px;min-height:56px;padding:0 16px;letter-spacing:.9px}.product,.downloads{width:calc(100% - 24px);margin-top:90px}.product-heading h2,.section-heading h2{font-size:39px}.product-stage{min-height:500px;border-radius:26px}.product-stage:before{width:390px;height:390px}.product-stage:after{right:-50px;top:62px}.stage-note,.stage-seal{display:none}.stage-orbit{width:540px;height:160px}.app-window{width:calc(100% - 24px);height:410px;border-radius:20px;transform:rotate(-1deg)}.app-titlebar{grid-template-columns:1fr auto 1fr}.app-titlebar>span:last-child{font-size:0}.client-shell{gap:0;padding:7px}.client-sidebar{display:none}.chat-panel{border-radius:17px}.chat-capsule{left:8px;right:8px;top:8px}.message-stream{inset:70px 10px 57px}.message{max-width:220px;padding:8px 10px 7px;font-size:8px}.message-row .mini-avatar{width:27px;height:27px}.client-composer{left:8px;right:8px;bottom:8px}.download-list{border-radius:22px}.download-row{min-height:102px;grid-template-columns:27px 32px 1fr 39px;gap:14px;padding:17px 16px}.row-name strong{font-size:19px}.row-action>span{display:none}.row-action{gap:0}.row-action i{width:36px;height:36px}footer{width:calc(100% - 32px)}footer>span:nth-child(2){display:none}dialog.site-menu{width:calc(100vw - 24px);max-height:calc(100dvh - 24px);padding:21px 13px 15px;border-radius:24px}.site-menu nav a{padding:17px 14px}.subpage{width:calc(100% - 32px);padding:60px 0 75px}.subpage h1{font-size:44px}.platform-tabs{width:100%}.platform-tabs button{flex:1;padding:11px 8px}.empty-state{padding:42px 20px;border-radius:23px}}
/* Live Mac-client showcase: isolated dark UI in both site themes. */
.product-stage{min-height:730px}.app-window{width:calc(100% - 78px);height:590px;transform:none;border-radius:20px}.app-window:hover{transform:none}.app-titlebar{height:36px;grid-template-columns:auto 1fr auto;gap:12px}.app-titlebar strong{justify-self:start;font-size:11px}.window-dots i{width:9px;height:9px}.window-dots i:first-child{background:#ff6058}.window-dots i:nth-child(2){background:#ffbd2e}.window-dots i:nth-child(3){background:#28c840}.client-shell{height:calc(100% - 36px);gap:16px;padding:12px}.client-sidebar{width:235px;padding:12px 9px;background:linear-gradient(150deg,rgba(52,61,65,.8),rgba(35,35,38,.96) 34%,rgba(42,42,49,.94));border-radius:28px}.client-wordmark{position:relative;width:104px;height:33px;overflow:hidden;flex:none}.client-wordmark img{position:absolute;width:123px;height:auto;left:-9px;top:50%;transform:translateY(-50%)}.sidebar-brand{gap:6px;padding:0 4px}.mini-control{font-size:8px;width:27px;height:27px;flex:none}.client-search{height:42px;border-radius:23px;margin:14px 3px 13px;font-size:12px}.chat-preview{width:100%;background:transparent;text-align:left;min-height:68px;padding:10px 7px;border-radius:23px;transition:background .2s,border-color .2s}.chat-preview:hover{background:rgba(255,255,255,.06)}.chat-preview strong{font-size:12px}.chat-preview small{font-size:10px}.chat-preview time{font-size:8px;padding-top:3px}.chat-preview.active{background:rgba(255,255,255,.12)}.mini-avatar{width:35px;height:35px;font-size:11px}.profile-pill{margin: auto 3px 2px;padding:9px;border-radius:24px}.profile-pill strong{font-size:11px}.profile-pill small{font-size:9px}.chat-panel{border:0;border-radius:0;background:#080809;overflow:hidden}.chat-pattern{background-image:url('./assets/chat-pattern.svg');background-size:280px 220px;opacity:.23}.chat-capsule{left:0;right:0;top:0;height:56px;border-radius:30px;background:rgba(47,47,50,.8)}.chat-capsule strong{font-size:12px}.chat-capsule small{font-size:9px}.chat-info{margin-left:auto;width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.08);font-size:17px;color:#d4d4d9}.message-stream{inset:69px 5px 60px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#38383e transparent;gap:11px;padding:0 6px 10px}.today{font-size:9px;padding:5px 10px}.message-row{max-width:95%;flex:none;gap:7px}.message{max-width:310px;border-radius:19px;font-size:12px;line-height:1.5;padding:8px 12px}.message small{font-size:9px;white-space:nowrap}.incoming{background:#252527;border-bottom-left-radius:5px}.outgoing{background:#39393b;border-bottom-right-radius:5px}.message-row .mini-avatar{width:25px;height:25px;font-size:8px}.typing{flex:none;margin-left:32px}.client-composer{left:44px;right:43px;bottom:0;height:46px;border-radius:27px;background:rgba(43,43,46,.86);font-size:11px;padding:0 14px}.attach,.mic{position:absolute;top:0;width:38px;height:46px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.08);border-radius:24px;background:#242427;color:#c0c0c6}.attach{left:-44px;margin:0}.mic{right:-43px}.attach svg,.mic svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.composer-actions{font-size:18px}.mobile-chat-picker{display:none}.demo-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 5px;color:var(--muted);font-size:11px;line-height:1.6}.demo-toolbar>span{display:flex;align-items:center;gap:9px}.demo-toolbar .dot{flex:none}.demo-toolbar button{flex:none;min-height:44px;padding:8px 15px;border:1px solid var(--line);border-radius:24px;background:var(--surface-soft);font-size:11px;transition:background .2s}.demo-toolbar button:hover{background:var(--surface)}.design-notes{display:grid;grid-template-columns:repeat(3,1fr);margin-top:30px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.design-notes>div{padding:33px 24px 34px;border-right:1px solid var(--line)}.design-notes>div:first-child{padding-left:5px}.design-notes>div:last-child{border:0}.design-notes span{font-size:9px;letter-spacing:1.5px;color:var(--quiet)}.design-notes h3{font-size:23px;letter-spacing:-.8px;font-weight:500;margin:18px 0 11px}.design-notes p{max-width:260px;font-size:12px;line-height:1.75;color:var(--muted);margin:0}.message-arriving{animation:message-in .28s ease-out both}.reveal-ready{opacity:0;transform:translateY(16px);transition:opacity .6s,transform .6s}.reveal-ready.revealed{opacity:1;transform:none}.demo-fallback{font-size:12px;color:#aaa;text-align:center}
@keyframes message-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media(max-width:950px){.app-window{width:calc(100% - 36px)}.client-sidebar{width:200px}.client-shell{gap:10px}.client-wordmark{width:87px}.mini-control{width:23px;height:23px}.design-notes h3{font-size:21px}}
@media(max-width:700px){.client-sidebar{display:none}.mobile-chat-picker{position:absolute;left:0;right:0;top:66px;display:flex;gap:6px;z-index:2}.mobile-chat-picker button{padding:8px 15px;min-height:38px;border:1px solid rgba(255,255,255,.12);border-radius:21px;background:#18181b;color:#929299;font-size:11px}.mobile-chat-picker button[aria-pressed=true]{background:#3b3b40;color:#fff;border-color:rgba(255,255,255,.3)}.message-stream{top:116px}.app-window{height:600px}.product-stage{min-height:720px}.design-notes{grid-template-columns:1fr}.design-notes>div,.design-notes>div:first-child{padding:24px 5px;border-right:0;border-bottom:1px solid var(--line)}.design-notes p{max-width:none}.design-notes h3{margin:12px 0 7px}.demo-toolbar{align-items:flex-start;flex-direction:column;gap:12px}.stage-seal{display:none}.note-a{top:19px;left:19px}.note-b{bottom:15px;right:19px}}
@media(max-width:560px){.product-stage{min-height:670px;border-radius:26px}.app-window{width:calc(100% - 16px);height:610px;border-radius:19px;box-shadow:0 24px 60px rgba(0,0,0,.4)}.client-shell{padding:10px 7px}.chat-capsule{height:56px}.message-stream{inset:114px 0 58px;padding:0 2px 10px;gap:10px}.message-row{max-width:100%;gap:5px}.message{font-size:12px;max-width:calc(100% - 26px);padding:8px 10px}.message small{font-size:8px}.message-row .mini-avatar{width:21px;height:21px;font-size:7px}.today{font-size:9px}.client-composer{left:36px;right:36px;font-size:10px;height:44px}.attach,.mic{width:31px;height:44px}.attach{left:-36px}.mic{right:-36px}.chat-pattern{background-size:230px auto}.app-titlebar>span:last-child{display:none}.demo-toolbar{padding:18px 4px}.design-notes{margin-top:10px}.intro{max-width:260px}.platform-line{font-size:9px}.headline{font-size:clamp(34px,10.5vw,43px)}.download-row{gap:10px;padding-left:13px;padding-right:13px}.row-name strong{font-size:18px}.row-name small{font-size:10px}.controls button{min-height:38px}.menu-toggle{width:44px;height:44px}.header{padding-top:env(safe-area-inset-top,0px)}.toast{bottom:calc(16px + env(safe-area-inset-bottom,0px))}}
/* Liquid capsules — CSS interpretation, not Apple's native rendering. */
:root{--liquid-ease:cubic-bezier(.22,1,.36,1);--liquid-spring:cubic-bezier(.22,1.18,.46,1)}
button,.cta,.arrow,.nav-download,.menu-close,.menu-toggle,.controls,.controls button,.site-menu nav a,.platform-tabs,.platform-tabs button,.row-action i,.selected-platform{border-radius:999px}
button,.cta,.site-menu nav a,.row-action i{transition:background .4s var(--liquid-ease),border-color .4s var(--liquid-ease),box-shadow .45s var(--liquid-ease),color .3s,transform .42s var(--liquid-spring)}
button:active,.cta:active{transform:scale(.96)}
.cta{background:linear-gradient(140deg,var(--shine),transparent 56%),var(--surface);color:var(--text);border-color:var(--line-strong);box-shadow:inset 0 1px 0 var(--shine),inset 0 -1px 0 var(--line),0 12px 30px var(--shadow);-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px)}
.cta:hover{border-color:var(--text);box-shadow:inset 0 1px 0 var(--shine),0 16px 38px var(--shadow)}
.arrow{background:var(--surface-soft);border:1px solid var(--line)}
.controls,.menu-toggle,.menu-close,.demo-toolbar button{background:linear-gradient(145deg,var(--shine),transparent 65%),var(--surface-soft);box-shadow:inset 0 1px 0 var(--shine)}
.nav-download{padding:10px 17px;border:1px solid var(--line);background:var(--surface-soft);color:var(--text)}
.download-list{padding:7px;display:grid;gap:7px;background:var(--surface-soft);box-shadow:none}
.download-row,.download-row:last-child{min-height:108px;border:1px solid var(--line);background:linear-gradient(155deg,var(--shine),transparent 55%),var(--surface);box-shadow:inset 0 1px 0 var(--shine);border-radius:999px}
.download-row:before{display:none}.download-row:hover{border-color:var(--line-strong);background:linear-gradient(140deg,var(--shine),transparent 75%),var(--surface)}
.row-action i{background:var(--surface-soft);box-shadow:inset 0 1px 0 var(--shine)}
.chat-preview{border-radius:999px;min-height:70px}.chat-preview.active{background:linear-gradient(140deg,rgba(255,255,255,.13),transparent 65%),rgba(255,255,255,.07);box-shadow:inset 0 1px 0 rgba(255,255,255,.13)}
.menu-logo{display:block;position:relative;width:235px;height:55px;overflow:hidden}.menu-logo img{position:absolute;width:275px;height:auto;left:-18px;top:50%;transform:translateY(-50%)}
.menu-top{align-items:center;padding-bottom:24px}.menu-caption{padding-left:5px;margin-top:4px;letter-spacing:2.6px}
dialog.site-menu{border-radius:36px;background:linear-gradient(145deg,var(--shine),transparent 48%),var(--surface);-webkit-backdrop-filter:blur(42px) saturate(1.1);backdrop-filter:blur(42px) saturate(1.1);box-shadow:inset 0 1px 0 var(--shine),inset 0 -1px 0 var(--line),0 35px 100px rgba(0,0,0,.4)}
dialog.site-menu[open]{animation:liquid-menu-in .48s var(--liquid-spring) both}
dialog.site-menu::backdrop{animation:liquid-backdrop-in .35s var(--liquid-ease) both;background:rgba(0,0,0,.6)}
dialog.site-menu[open].menu-closing{animation:liquid-menu-out .19s ease-in both}
dialog.site-menu.menu-closing::backdrop{animation:liquid-backdrop-out .19s ease-in both}
.site-menu nav{gap:8px}.site-menu nav a{min-height:58px;padding:17px 19px}.site-menu nav a:hover,.site-menu nav a[aria-current=page]{background:linear-gradient(130deg,var(--shine),transparent 75%),var(--surface-soft);box-shadow:inset 0 1px 0 var(--shine)}
.site-menu nav a:hover .menu-link-arrow{transform:translate(2px,-2px)}.menu-link-arrow{transition:transform .4s var(--liquid-ease)}
.platform-tabs{position:relative;padding:5px;border-radius:999px}.platform-tabs button{min-height:44px}.mobile-chat-picker{padding:4px;border:1px solid rgba(255,255,255,.09);border-radius:999px;background:rgba(36,36,40,.65);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
.liquid-selector{isolation:isolate}.liquid-selector button{position:relative;z-index:1}.selector-lens{position:absolute;z-index:0;pointer-events:none;border:1px solid var(--line-strong);border-radius:999px;background:linear-gradient(135deg,var(--shine),transparent 75%),var(--surface-soft);box-shadow:inset 0 1px 0 var(--shine),inset 0 -1px 0 var(--line),0 5px 16px var(--shadow);transition:left .48s var(--liquid-spring),top .48s var(--liquid-spring),width .48s var(--liquid-spring),height .48s var(--liquid-spring);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.platform-tabs.liquid-selector button[aria-pressed=true]{background:transparent;color:var(--text);font-weight:650}
.mobile-chat-picker.liquid-selector button{min-height:42px;border-color:transparent;background:transparent;flex:1;padding:8px 9px;color:#a9a9b0}
.mobile-chat-picker.liquid-selector button[aria-pressed=true]{background:transparent;border-color:transparent;color:white;font-weight:600}
.mobile-chat-picker .selector-lens{border-color:rgba(255,255,255,.25);background:linear-gradient(135deg,rgba(255,255,255,.2),transparent 75%),rgba(255,255,255,.07);box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 5px 16px rgba(0,0,0,.2)}
.reveal-ready{opacity:0;filter:none;transform:translateY(9px);transition:opacity .85s var(--liquid-ease),transform .85s var(--liquid-ease)}
.reveal-ready.revealed{opacity:1;filter:none;transform:none}.design-notes>div:nth-child(2){transition-delay:.08s}.design-notes>div:nth-child(3){transition-delay:.16s}
.message-arriving{animation:liquid-message-in .48s var(--liquid-spring) both}
body.page-arriving main{animation:liquid-page-in .65s var(--liquid-ease) both}main,footer{transition:opacity .21s ease,transform .21s ease;transform-origin:center top}body.page-leaving main,body.page-leaving footer{opacity:0;transform:translateY(-5px)}
@keyframes liquid-menu-in{from{opacity:0;transform:translateY(12px) scale(.94)}to{opacity:1;transform:none}}
@keyframes liquid-menu-out{to{opacity:0;transform:translateY(7px) scale(.97)}}
@keyframes liquid-backdrop-in{from{opacity:0}to{opacity:1}}@keyframes liquid-backdrop-out{to{opacity:0}}
@keyframes liquid-page-in{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}
@keyframes liquid-message-in{from{opacity:0;transform:translateY(6px) scale(.985)}to{opacity:1;transform:none}}
@media(max-width:700px){.mobile-chat-picker{top:62px}.message-stream{top:120px}}
@media(max-width:560px){.download-row{min-height:100px;padding:15px 13px}.download-list{padding:5px;gap:5px}.menu-logo{width:205px;height:50px}.menu-logo img{width:242px;left:-16px}dialog.site-menu{border-radius:30px}.message-stream{top:120px}.controls button{min-height:38px}.nav-download{display:none}.site-menu nav a{font-size:13px;gap:12px}}
/* Instrument typography: local system faces and a dot-matrix BCT mark. */
:root{--instrument-font:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace}
.hero-meta,.section-index,.eclipse-coordinate,.stage-note,.menu-caption,.menu-number,.row-number,.tech-eyebrow,.tech-selection,.technology-top,.technology-bottom,.bct-route,.design-notes>div>span{font-family:var(--instrument-font);font-weight:400}
.design-notes h3,.tech-page h1,.bct-copy h2{font-family:Arial,Helvetica,sans-serif;font-weight:400}
.tech-page h1{letter-spacing:-.055em;font-size:clamp(42px,6vw,68px)}
.tech-eyebrow{color:var(--quiet);font-size:10px;letter-spacing:1.7px;margin:0 0 20px}
.tech-tabs{width:min(620px,100%);margin:34px 0 22px}.tech-tabs button{flex:1;min-width:0;padding:11px 15px}.tech-selection{display:flex;justify-content:space-between;align-items:center;color:var(--quiet);font-size:10px;letter-spacing:1px;margin-bottom:14px}.tech-selection>span:last-child{color:var(--muted);letter-spacing:0}
.technology-card{border-radius:30px;overflow:hidden}.technology-top{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:22px 27px;border-bottom:1px solid var(--line);color:var(--quiet);font-size:10px;letter-spacing:1.3px}.technology-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line-strong);border-radius:999px;padding:8px 12px;color:var(--text);font-size:9px;letter-spacing:0}.bct-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;padding:49px 35px 50px}.bct-visual{padding:7px 10px}.bct-mark{display:block;width:100%;height:auto;color:var(--text)}.bct-route{display:flex;align-items:center;margin-top:25px;gap:14px;font-size:10px;color:var(--muted)}.bct-route span{display:grid;place-items:center;width:39px;height:39px;border:1px solid var(--line);border-radius:50%;background:var(--surface-soft)}.bct-route span:nth-of-type(2){width:58px;border-radius:999px;color:var(--text)}.bct-route i{position:relative;flex:1;height:1px;background:var(--line-strong)}.bct-route i:after{content:"";position:absolute;right:0;top:-2px;width:5px;height:5px;border-radius:50%;background:var(--muted)}.bct-copy h2{margin:0 0 24px;font-size:clamp(25px,3.2vw,36px);line-height:1.1;letter-spacing:-1.3px}.bct-copy p{margin:0;font-size:14px;line-height:1.8;color:var(--muted)}.bct-copy p.bct-note{margin-top:16px;font-size:12px;color:var(--quiet)}.technology-bottom{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:19px 27px;border-top:1px solid var(--line);color:var(--muted);font-size:9px;letter-spacing:.3px}.technology-bottom>span:last-child{color:var(--quiet);letter-spacing:1px}
.back-home{padding:10px 15px;border:1px solid var(--line);border-radius:999px;background:var(--surface-soft);transition:background .35s var(--liquid-ease),border-color .35s}.back-home:hover{background:var(--surface);border-color:var(--line-strong)}
/* First-paint entrance plus a whole-document exit, including the header. */
body{opacity:1;transition:background .3s,color .3s,opacity .28s ease}
html.motion-ready body{animation:document-in .6s var(--liquid-ease)}
html.motion-ready body.page-restored{animation:document-return .55s var(--liquid-ease)}
html.motion-ready body.page-leaving{animation:none;opacity:0}
body.page-leaving main,body.page-leaving footer{opacity:1;transform:none}
@keyframes document-in{from{opacity:0}to{opacity:1}}
@keyframes document-return{from{opacity:0}to{opacity:1}}
@media(max-width:650px){.bct-grid{grid-template-columns:1fr;gap:30px;padding:32px 23px}.bct-visual{width:min(280px,100%);padding:0}.bct-route{margin-top:12px}.bct-copy h2{font-size:29px;max-width:300px}.technology-top{padding:17px 20px}.technology-bottom{padding:17px 20px;flex-wrap:wrap;gap:12px 20px}.technology-bottom>span:last-child{width:100%}.tech-tabs button{padding:11px 8px;font-size:10px}.tech-eyebrow{margin-bottom:16px}.technology-card{border-radius:25px}}
/* Dot-display identity and a single painted background, without filtered tiles. */
@font-face{font-family:"Zephyron Dot";src:url('./assets/zephyron-dot.woff') format('woff');font-style:normal;font-weight:400;font-display:swap}
.headline,.product-heading h2,.section-heading h2,.subpage h1{font-family:"Zephyron Dot",var(--instrument-font);font-weight:400;text-transform:uppercase;font-feature-settings:normal;letter-spacing:-.015em;line-height:1.16}
.headline{font-size:clamp(35px,4.5vw,57px);max-width:470px}.product-heading h2,.section-heading h2{font-size:clamp(31px,3.8vw,46px)}.subpage h1,.tech-page h1{font-family:"Zephyron Dot",var(--instrument-font);font-size:clamp(34px,5vw,61px);letter-spacing:-.015em;line-height:1.2}
.design-notes h3{font-family:var(--instrument-font);font-size:20px;letter-spacing:-.8px}.brand>span:last-child{font-family:var(--instrument-font);font-size:.93em;letter-spacing:-.8px}.controls button{font-family:var(--instrument-font)}
.section-index:before{content:none}.hero-meta>span:last-child{font-family:var(--instrument-font);letter-spacing:1.3px}.section-index>span:first-child{border:1px solid var(--line-strong);border-radius:7px;min-height:25px;display:grid;place-items:center;background:var(--surface-soft)}
.hero-base{font-family:var(--instrument-font)}.hero-rule{height:3px;background:radial-gradient(circle at 1px 1px,var(--quiet) 1px,transparent 1.3px) repeat-x;background-size:7px 3px;opacity:.5}
body{isolation:auto;background-color:var(--bg);background-image:radial-gradient(ellipse 650px 750px at 100% 180px,rgba(255,255,255,.1),transparent 75%),radial-gradient(ellipse 430px 620px at 0% 950px,rgba(255,255,255,.04),transparent 70%),radial-gradient(circle at 1px 1px,rgba(255,255,255,.038) .6px,transparent .9px);background-size:auto,auto,13px 13px;background-repeat:no-repeat,no-repeat,repeat}
html[data-theme=light] body{background-image:radial-gradient(ellipse 650px 750px at 100% 180px,rgba(75,75,88,.075),transparent 75%),radial-gradient(ellipse 430px 620px at 0% 950px,rgba(75,75,88,.025),transparent 70%),radial-gradient(circle at 1px 1px,rgba(30,30,40,.04) .6px,transparent .9px)}
.backdrop,.glow,.grain{display:none}
.message-arriving{animation:liquid-message-in .48s var(--liquid-spring)}
@media(max-width:560px){.headline{font-size:clamp(31px,8.5vw,38px)}.product-heading h2,.section-heading h2{font-size:32px}.subpage h1,.tech-page h1{font-size:clamp(30px,9vw,43px)}.design-notes h3{font-size:19px}.hero-copy{padding-top:31px}.product-heading p{line-height:1.6}}
/* Stable glass composition: never blur/fade a parent of backdrop-filter panels. */
.nav{border-radius:999px;padding-left:24px;padding-right:13px}
.frost{box-shadow:inset 0 1px 0 var(--shine),0 12px 34px var(--shadow)}
html[data-theme=dark]{--shadow:rgba(0,0,0,.16)}
.liquid-selector{isolation:auto}.selector-lens{-webkit-backdrop-filter:none;backdrop-filter:none}
.chat-list{position:relative;touch-action:pan-x}.chat-list.liquid-selector .chat-preview.active{background:transparent;box-shadow:none}.chat-list .selector-lens{border-color:rgba(255,255,255,.18);background:linear-gradient(135deg,rgba(255,255,255,.15),transparent 75%),rgba(255,255,255,.06);box-shadow:inset 0 1px 0 rgba(255,255,255,.15),0 4px 12px rgba(0,0,0,.1)}
.platform-tabs,.mobile-chat-picker{touch-action:pan-y}.liquid-selector button{touch-action:inherit;user-select:none;-webkit-user-select:none}.liquid-selector{cursor:grab}.liquid-selector button{cursor:grab}.liquid-dragging,.liquid-dragging button{cursor:grabbing}.liquid-dragging .selector-lens{transition:none;box-shadow:inset 0 1px 0 var(--shine),0 4px 15px var(--shadow)}.liquid-dragging button:active{transform:none}.liquid-dragging button{color:var(--muted)}.liquid-dragging button.drag-over{color:var(--text)}.mobile-chat-picker.liquid-dragging button,.chat-list.liquid-dragging button{color:#9b9ba3}.mobile-chat-picker.liquid-dragging button.drag-over,.chat-list.liquid-dragging button.drag-over{color:#fff}
.frost.reveal-ready{opacity:1;filter:none;transform:none}.hero-actions{filter:none}
body,html.motion-ready body,html.motion-ready body.page-leaving,html.motion-ready body.page-restored{opacity:1;animation:none;transition:background .3s,color .3s}
html.motion-ready::after{content:"";position:fixed;inset:0;z-index:100;pointer-events:none;background:var(--bg);opacity:0;transition:opacity .28s ease;animation:curtain-enter .6s var(--liquid-ease)}
html.motion-ready.page-leaving::after{animation:none;opacity:1;pointer-events:auto}
html.motion-ready.page-restored::after{animation:curtain-return .55s var(--liquid-ease)}
@keyframes curtain-enter{from{opacity:1}to{opacity:0}}@keyframes curtain-return{from{opacity:1}to{opacity:0}}
@media(max-width:560px){.nav{border-radius:999px;padding-left:16px;padding-right:8px}}
@media(prefers-reduced-motion:reduce){html.motion-ready::after{display:none}html.motion-ready body,html.motion-ready body.page-leaving{opacity:1}.reveal-ready{opacity:1;transform:none;filter:none}body.page-leaving main,body.page-leaving footer{opacity:1;transform:none}*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
/* Privacy document: calm type, a compact index and one continuous glass sheet. */
.privacy-page{width:min(880px,calc(100% - 40px))}
.privacy-page h1{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;text-transform:none;font-size:clamp(30px,5vw,49px);line-height:1.12;letter-spacing:-.045em;max-width:760px;overflow-wrap:normal}
.policy-date{color:var(--muted);font-family:var(--instrument-font);font-size:12px;line-height:1.7;margin:22px 0 30px}
.policy-contents{border-radius:26px;margin-bottom:22px}
.policy-contents summary{display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none;padding:20px 26px;font-size:14px;cursor:pointer;border-radius:999px}
.policy-contents summary::-webkit-details-marker{display:none}
.policy-chevron{font-size:22px;transition:transform .35s var(--liquid-ease)}
.policy-contents[open] .policy-chevron{transform:rotate(180deg)}
.policy-contents ol{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:6px 20px;padding:0 22px 22px;margin:0}
.policy-contents a{display:block;border-radius:999px;padding:10px 13px;font-size:12px;line-height:1.55;color:var(--muted);transition:background .25s,color .25s}
.policy-contents a:hover{background:var(--surface-soft);color:var(--text)}
.policy-document{border-radius:32px;padding:10px 40px}
.policy-section{padding:30px 0;scroll-margin-top:130px}
.policy-section+.policy-section{border-top:1px solid var(--line)}
.policy-section h2{font-size:20px;line-height:1.4;font-weight:500;letter-spacing:-.025em;margin:0 0 13px}
.policy-section p{font-size:15px;line-height:1.85;color:var(--muted);margin:0;overflow-wrap:break-word}
.policy-support{border-radius:28px;margin-top:22px;padding:28px 32px}
.policy-support h2{font-family:var(--instrument-font);font-size:11px;letter-spacing:1.2px;line-height:1.7;margin:0 0 9px;font-weight:400}
.policy-support p{color:var(--muted);font-size:13px;line-height:1.65;margin:0 0 20px}
.policy-email{display:inline-flex;align-items:center;gap:20px;max-width:100%;border:1px solid var(--line-strong);border-radius:999px;padding:13px 18px;background:var(--surface-soft);font-size:14px;overflow-wrap:anywhere;transition:background .25s,border-color .25s}
.policy-email:hover{background:var(--surface);border-color:var(--text)}
.policy-contents summary:focus-visible,.policy-contents a:focus-visible,.policy-email:focus-visible{outline:2px solid var(--text);outline-offset:4px}
@media(max-width:560px){.privacy-page{width:calc(100% - 32px)}.privacy-page h1{font-size:clamp(26px,7.5vw,36px)}.policy-date{font-size:11px;margin:18px 0 24px}.policy-contents{border-radius:23px}.policy-contents summary{padding:18px 20px}.policy-contents ol{grid-template-columns:1fr;padding:0 12px 16px;gap:2px}.policy-document{padding:3px 21px;border-radius:25px}.policy-section{padding:25px 0;scroll-margin-top:95px}.policy-section h2{font-size:18px}.policy-section p{font-size:14px;line-height:1.8}.policy-support{padding:24px 21px;border-radius:25px}.policy-email{font-size:12px;padding:12px 14px;gap:12px}}
/* Document details in the Zephyron dot and instrument typography. */
.policy-file{display:flex;align-items:center;gap:18px;margin-bottom:30px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.policy-dotmark{font-family:"Zephyron Dot",var(--instrument-font);font-size:48px;line-height:1}
.policy-file .tech-eyebrow{display:block;margin:0 0 8px;font-size:10px}
.policy-file-meta{font:10px var(--instrument-font);color:var(--muted)}
.policy-file-orbit{margin-left:auto;border:1px solid var(--line-strong);border-radius:50%;width:38px;height:38px;display:grid;place-items:center;color:var(--muted)}
.policy-date{display:flex;align-items:center;gap:12px}
.policy-date:before{content:"";width:35px;height:9px;background:radial-gradient(circle at 2px 2px,var(--quiet) 1px,transparent 1.5px);background-size:5px 5px}
.policy-contents summary>span:first-child{font:13px var(--instrument-font);letter-spacing:.5px}
.policy-section h2{font-family:var(--instrument-font);font-size:17px;letter-spacing:-.4px;line-height:1.6}
.policy-section+.policy-section{border-top:0;position:relative}
.policy-section+.policy-section:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:radial-gradient(circle at 1px 1px,var(--quiet) .65px,transparent 1px) repeat-x;background-size:6px 2px;opacity:.45}
.policy-support{position:relative}
.policy-support:after{content:"Z / DATA";display:block;color:var(--quiet);font:9px var(--instrument-font);letter-spacing:1.5px;margin-top:23px}
.games-page{width:min(960px,calc(100% - 40px))}
.orbit-card{border-radius:32px;overflow:hidden}
.orbit-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:30px 32px 25px}
.orbit-label{font:10px var(--instrument-font);letter-spacing:1.5px;color:var(--quiet)}
.orbit-heading h2{font:42px/1.2 "Zephyron Dot",var(--instrument-font);letter-spacing:1px;margin:13px 0 12px}
.orbit-heading p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}
.orbit-emblem{display:grid;place-items:center;flex-shrink:0;width:72px;height:72px;border:1px solid var(--line-strong);border-radius:50%;font:32px var(--instrument-font);color:var(--muted)}
.orbit-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 32px;border-top:1px solid var(--line)}
.orbit-stats{display:flex;gap:30px}
.orbit-stats>span{display:grid;gap:6px}
.orbit-stats>span>span{font:10px var(--instrument-font);color:var(--muted)}
.orbit-stats strong{font:24px/1 "Zephyron Dot",var(--instrument-font);font-weight:400;min-width:82px;font-variant-numeric:tabular-nums}
.orbit-toolbar button,.orbit-overlay button{border:1px solid var(--line-strong);border-radius:999px;padding:12px 20px;background:var(--surface-soft);font-size:12px;transition:background .3s,transform .3s}
.orbit-toolbar button:hover{background:var(--surface)}
.orbit-toolbar button:disabled{opacity:.4;cursor:default}
.orbit-stage{position:relative;margin:0 14px;border:1px solid rgba(255,255,255,.16);border-radius:23px;overflow:hidden;background:#0b0b0f}
#orbit-canvas{display:block;width:100%;height:auto;aspect-ratio:16/10;touch-action:none;cursor:crosshair}
#orbit-canvas:focus-visible{outline:2px solid #ddd;outline-offset:-5px;border-radius:22px}
.orbit-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px 20px;background:rgba(11,11,15,.8);color:#f2f2f3}
.orbit-overlay-symbol{display:block;width:76px;height:76px;border:1px solid rgba(255,255,255,.2);border-radius:50%;background:rgba(255,255,255,.04);margin-bottom:18px}
.orbit-overlay-symbol img{width:100%;height:100%;object-fit:contain}
.orbit-overlay h3{font-size:clamp(25px,4vw,36px);font-weight:500;letter-spacing:-1px;margin:0 0 13px}
.orbit-overlay p{font:12px/1.8 var(--instrument-font);color:#a8a8b2;margin:0 0 25px;max-width:320px}
.orbit-overlay button{color:#151518;background:#f2f2f3;border-color:#f2f2f3;padding:14px 28px}
.orbit-overlay button:hover{background:#fff;transform:translateY(-2px)}
.orbit-help{margin:0;padding:20px 32px 24px;color:var(--muted);font-size:12px;line-height:1.8;max-width:680px}
.orbit-footnote{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font:10px/1.8 var(--instrument-font);color:var(--quiet);padding:14px 6px}
.orbit-footnote>span:last-child{margin-left:auto;letter-spacing:1px;font-size:9px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:560px){.policy-file{gap:13px;margin-bottom:24px}.policy-dotmark{font-size:40px}.policy-section h2{font-size:16px}.games-page{width:calc(100% - 24px)}.orbit-card{border-radius:26px}.orbit-heading{padding:25px 21px 20px;gap:12px}.orbit-heading h2{font-size:36px}.orbit-heading p{font-size:12px}.orbit-emblem{width:44px;height:44px;font-size:23px}.orbit-toolbar{padding:16px 20px;gap:12px}.orbit-stats{gap:20px}.orbit-stats strong{font-size:21px;min-width:65px}.orbit-toolbar button{padding:10px 15px;font-size:11px}.orbit-stage{margin:0 9px;border-radius:20px}#orbit-canvas{aspect-ratio:4/5}.orbit-help{padding:17px 20px 21px;font-size:11px}.orbit-overlay-symbol{width:62px;height:62px}.orbit-overlay p{font-size:11px}.orbit-footnote>span:last-child{width:100%;margin-left:25px}}
/* Download studio — one platform at a time, with a native scroll-snap carousel. */
.download-page{width:min(920px,calc(100% - 40px))}
.download-page h1{font-size:clamp(32px,4.9vw,55px)}
.download-tabs{margin:0 auto 24px;width:min(490px,100%);border-radius:999px}
.download-tabs button{flex:1}
.download-carousel{margin:0 -10px}
.download-track{position:relative;display:flex;gap:18px;padding:12px 36px 25px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding:36px;scrollbar-width:none;overscroll-behavior-x:contain;cursor:grab}
.download-track::-webkit-scrollbar{display:none}
.download-track:focus-visible{outline:2px solid var(--text);outline-offset:2px;border-radius:30px}
.download-track.card-dragging{scroll-snap-type:none;cursor:grabbing;user-select:none;-webkit-user-select:none}
.platform-card{flex:0 0 100%;min-width:0;border-radius:32px;scroll-snap-align:center;scroll-snap-stop:always;overflow:hidden}
.platform-card-top{display:flex;align-items:center;justify-content:space-between;padding:22px 28px 0;color:var(--quiet);font:10px var(--instrument-font);letter-spacing:1.4px}
.platform-device svg{width:25px;height:25px;stroke:var(--muted);stroke-width:1.5;fill:none;stroke-linecap:round}
.platform-device svg.windows{fill:var(--muted);stroke:none}
.platform-art{height:235px;position:relative;display:grid;place-items:center;overflow:hidden}
.platform-orbit{position:absolute;width:350px;height:135px;border:1px solid var(--line-strong);border-radius:50%;transform:rotate(-23deg);opacity:.7}
.platform-orbit-small{width:265px;height:265px;transform:none;border-style:dotted;opacity:.45}
.platform-app-icon{position:relative;width:115px;height:115px;border-radius:29px;border:1px solid rgba(255,255,255,.23);background:linear-gradient(145deg,#33333a,#101014 75%);box-shadow:inset 0 1px 0 rgba(255,255,255,.23),0 18px 50px var(--shadow);display:grid;place-items:center}
.platform-app-icon img{width:100%;height:100%;object-fit:contain;pointer-events:none}
.platform-cross{position:absolute;right:18%;top:40px;color:var(--quiet);font:22px var(--instrument-font)}
.platform-card[data-download-card=macOS] .platform-orbit{transform:rotate(23deg)}
.platform-card[data-download-card=Android] .platform-orbit{transform:rotate(-65deg);width:275px}
.platform-card-copy{text-align:center;padding:8px 32px 34px}
.platform-category{font:10px var(--instrument-font);letter-spacing:1px;color:var(--quiet)}
.platform-card-copy h2{font:40px/1.2 "Zephyron Dot",var(--instrument-font);margin:14px 0 17px}
.platform-card-copy p{max-width:420px;margin:0 auto;color:var(--muted);font-size:14px;line-height:1.8;min-height:76px}
.carousel-navigation{display:flex;align-items:center;justify-content:center;gap:22px}
.carousel-navigation button{width:43px;height:43px;border-radius:999px;border:1px solid var(--line-strong);background:var(--surface-soft);font-size:18px;transition:background .3s}
.carousel-navigation button:hover:not(:disabled){background:var(--surface)}
.carousel-navigation button:disabled{opacity:.3;cursor:default}
#download-position{font:10px var(--instrument-font);color:var(--muted);min-width:145px;text-align:center}
.download-help{font:10px/1.7 var(--instrument-font);color:var(--quiet);text-align:center;margin:18px 0 28px}
.download-action{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:36px}
.download-action .cta{border:0;min-width:245px;justify-content:space-between}
.download-action>p{font-size:11px;color:var(--quiet);margin:0;text-align:center}
.platform-install{border-radius:27px;padding:25px 30px}
.install-top{display:flex;align-items:center;justify-content:space-between;color:var(--quiet);font:10px var(--instrument-font);letter-spacing:1px;margin-bottom:20px}
.platform-install h2{font-family:var(--instrument-font);font-size:18px;line-height:1.5;font-weight:400;margin:0 0 12px;letter-spacing:-.4px}
.platform-install p{font-size:13px;line-height:1.8;color:var(--muted);margin:0}
a.download-row{color:var(--text)}
@media(max-width:560px){.download-page{width:calc(100% - 32px)}.download-page h1{font-size:clamp(29px,8vw,37px)}.download-tabs button{font-size:11px;padding:12px 8px}.download-carousel{margin:0 -7px}.download-track{gap:12px;padding:9px 14px 21px;scroll-padding:14px}.platform-card{border-radius:25px}.platform-card-top{padding:20px 20px 0;font-size:9px}.platform-art{height:205px}.platform-app-icon{width:96px;height:96px;border-radius:25px}.platform-orbit{width:270px;height:105px}.platform-orbit-small{width:220px;height:220px}.platform-cross{right:13%;top:30px}.platform-card-copy{padding:6px 22px 26px}.platform-card-copy h2{font-size:33px}.platform-card-copy p{font-size:12px;min-height:86px;max-width:300px}.download-help{font-size:9px;padding:0 12px}.platform-install{padding:23px 21px;border-radius:25px}.platform-install h2{font-size:16px}.platform-install p{font-size:12px}}
.download-action .cta:disabled{opacity:.65;cursor:progress;transform:none}
.install-steps{list-style:none;counter-reset:install;padding:0;margin:24px 0 0;display:grid;gap:15px}
.install-steps li{counter-increment:install;display:flex;align-items:flex-start;gap:15px;font-size:13px;line-height:1.8;color:var(--muted)}
.install-steps li:before{content:counter(install,decimal-leading-zero);flex:0 0 31px;height:31px;display:grid;place-items:center;border:1px solid var(--line-strong);border-radius:999px;color:var(--text);font:10px var(--instrument-font)}
@media(max-width:560px){.install-steps li{font-size:12px;gap:12px}.install-steps{gap:13px}}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.frost,dialog.site-menu{background:var(--surface-strong)}}