:root {
  --bg:#5F4B3C;
  --bg-panel:#4B3B2F;
  --bg-panel2:#655040;
  --border:#7A6655;
  --accent:#F0703A;
  --accent-dark:#FFB38A;
  --text:#F6F0E7;
  --text-muted:#E0D3C4;
  --success:#86B37F;
  --warn:#E2B15E;
  --error:#D8634F;
  --ink:#F6F0E7;
  --ink-soft:#E0D3C4;
  --surface:#4B3B2F;
  --rule:#7A6655;
  --clear:transparent;
  --scene-wall:#9E8E7E;
  --scene-shade:#3B2E25;
  --scene-wood:#B59B7E;
  --scene-wood-deep:#937B65;
  --scene-taupe:#7F6E60;
  --scene-screen:#2F251E;
  --scene-board:#D9CFC1;
  --scene-line:#E9DDCB;
  --scene-glow:#E2B15E;
  --font-display:"Iowan Old Style","Charter","Georgia","Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --font-body:"Inter","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular","Menlo","Consolas",monospace;
  --weight-regular:400;
  --weight-medium:500;
  --weight-semibold:600;
  --size-xs:12px;
  --size-sm:13px;
  --size-nav:15px;
  --size-body:16px;
  --size-lede:17px;
  --size-brand:21px;
  --size-h1:clamp(34px,3.2vw + 8px,48px);
  --size-h2:32px;
  --size-h3:24px;
  --size-hero-mobile:clamp(26px,7vw,30px);
  --line-body:1.6;
  --line-heading:1.3;
  --r:4px;
  --nav-top:40px;
  --nav-main:68px;
  --nav-h:108px;
  --peek:28px;
  --band-h:64px;
  --wrap:1200px;
  --reading:800px;
  --header-content:1280px;
  --gutter:40px;
  --section-space:88px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --time-fast:.2s;
  --time-reveal:.65s;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:24px}
html.nav-open{overflow:hidden}
body{margin:0;background:var(--bg-panel2);color:var(--ink);font-family:var(--font-body);font-size:var(--size-body);line-height:var(--line-body);-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}
img,svg,video{max-width:100%}
img{display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
button:disabled{cursor:not-allowed}
ul,ol{padding-inline-start:1.5em}
h1,h2,h3,h4,p{margin-top:0}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:var(--weight-regular);line-height:var(--line-heading);text-wrap:balance}
h1{font-size:var(--size-h1);line-height:1.22}
h2{font-size:var(--size-h2)}
h3{font-size:var(--size-h3)}
p{margin-bottom:1.25em}
strong{font-weight:var(--weight-semibold)}
code,kbd,pre{font-family:var(--font-mono)}
code{font-size:.9em;overflow-wrap:anywhere}
pre{max-width:100%;overflow-x:auto;padding:24px;background:var(--bg-panel);color:var(--text);border:1px solid var(--border);border-radius:var(--r);line-height:1.75}
pre code{overflow-wrap:normal;word-break:normal;white-space:pre}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:var(--r)}
::selection{background:var(--scene-board);color:var(--scene-shade)}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.header-wrap{width:100%;max-width:min(100%,calc(var(--header-content) + var(--gutter)*2));margin-inline:auto;padding-inline:var(--gutter)}
.reading{max-width:var(--reading)}
.section{padding-top:var(--section-space);padding-bottom:var(--section-space)}
.section-light{background:var(--bg-panel2);color:var(--ink)}
.section-dark{background:var(--bg);color:var(--text)}
.section-dark .muted{color:var(--text-muted)}
.section-dark .text-link{color:var(--text)}
.section-heading{max-width:720px;margin-bottom:44px}
.section-heading p{color:var(--ink-soft)}
.section-dark .section-heading p{color:var(--text-muted)}
.muted{color:var(--ink-soft)}
.keep{white-space:nowrap}
.text-link,.prose a:not(.btn){text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:5px;text-decoration-thickness:1px}
.text-link:hover,.prose a:not(.btn):hover{text-decoration-thickness:2px}
.prose{min-width:0;line-height:1.85}
.prose h2{margin-top:2.5em;margin-bottom:.8em}
.prose h3{margin-top:1.8em}
.prose li+li{margin-top:.5em}
.prose :is(div,section,article){min-width:0;max-width:100%}
.prose :is(h2,h3),[id]{scroll-margin-top:24px}
.grid-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.grid-three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.grid-two>*,.grid-three>*{min-width:0}
.stack>*+*{margin-top:24px}
.cluster{display:flex;align-items:center;flex-wrap:wrap;gap:12px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.ico{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.ico-sm{width:15px;height:15px}
.pf-ico{width:18px;height:18px;flex:none;fill:currentColor}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:12px 28px;border-radius:var(--r);border:2px solid var(--clear);font-family:var(--font-body);font-size:var(--size-body);font-weight:var(--weight-semibold);line-height:1.25;letter-spacing:.01em;text-align:center;transition:background-color var(--time-fast),border-color var(--time-fast),color var(--time-fast)}
.btn-sm{min-height:42px;padding:9px 20px;font-size:var(--size-nav)}
.btn-solid{background:var(--accent);border-color:var(--accent);color:var(--scene-screen)}
.btn-solid:hover,.btn-solid.is-hover{background:var(--accent-dark);border-color:var(--accent-dark);color:var(--scene-screen)}
.btn-ghost{background:var(--surface);border-color:var(--accent);color:var(--accent-dark)}
.btn-ghost:hover,.btn-ghost.is-hover{background:var(--bg-panel2);color:var(--accent-dark)}
.btn:disabled,.btn[aria-disabled="true"]{background:var(--rule);border-color:var(--rule);color:var(--ink-soft)}
.btn.is-focus{outline:2px solid var(--accent);outline-offset:3px}
.panel,.card{min-width:0;padding:32px;background:var(--surface);color:var(--ink);border:1px solid var(--rule);border-radius:var(--r)}
.panel-dark{background:var(--bg-panel);color:var(--text);border-color:var(--border)}
.panel-dark .muted{color:var(--text-muted)}
.masthead{position:relative;z-index:50;background:var(--surface);color:var(--ink);border-bottom:1px solid var(--rule)}
.utility-row{height:var(--nav-top);display:flex;align-items:center;gap:30px}
.util-link{display:inline-flex;align-items:center;gap:7px;min-height:32px;font-size:var(--size-sm);font-weight:var(--weight-medium);color:var(--ink-soft);letter-spacing:.01em}
.util-link:hover{color:var(--ink)}
.util-caret{font-size:10px;margin-left:2px;flex-shrink:0}
.mainbar-row{height:var(--nav-main);display:flex;align-items:center;gap:38px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{width:34px;height:34px;flex-shrink:0}
.brand-name{font-family:var(--font-display);font-size:var(--size-brand);font-weight:var(--weight-regular);letter-spacing:.005em}
.desktop-nav{min-width:0}
.nav-list{display:flex;align-items:center;list-style:none;margin:0;padding:0;gap:28px}
.nav-link{position:relative;display:flex;align-items:center;gap:8px;min-height:var(--nav-main);font-size:var(--size-nav);font-weight:var(--weight-medium);white-space:nowrap}
.nav-link .ico{color:var(--ink-soft)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform var(--time-fast)}
.nav-link[aria-current="page"] .ico{color:var(--accent)}
.nav-link[aria-current="page"]::after,.nav-link:hover::after{transform:scaleX(1)}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px;flex-shrink:0}
.language{position:relative}
.language-toggle{white-space:nowrap}
.language-menu{position:absolute;top:100%;left:0;min-width:180px;margin:0;padding:8px;list-style:none;background:var(--surface);color:var(--ink);border:1px solid var(--rule);border-radius:var(--r);z-index:60}
.language-menu a{display:flex;align-items:center;min-height:44px;padding:8px 12px}
.language-menu a:hover,.language-menu a[aria-current="true"]{background:var(--bg-panel2);color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:5px}
.mobile-language,.menu-toggle,.mobile-drawer{display:none}
.menu-toggle{min-width:44px;min-height:44px;align-items:center;justify-content:center;border:1px solid var(--rule);border-radius:var(--r)}
.menu-veil{position:fixed;inset:var(--nav-h) 0 0;background:var(--bg-panel);color:var(--text);opacity:.55;z-index:51}
.mobile-drawer{position:absolute;top:100%;left:0;right:0;z-index:52;background:var(--surface);color:var(--ink);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);max-height:calc(100dvh - var(--nav-h));overflow-y:auto;overscroll-behavior:contain;padding:12px var(--gutter) 24px}
.mobile-drawer ul{list-style:none;margin:0;padding:0}
.mobile-drawer a{display:flex;align-items:center;gap:12px;width:100%;min-height:48px;padding:12px 8px}
.mobile-drawer a[aria-current]{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:5px}
.drawer-languages{margin-top:16px;padding-top:16px;border-top:1px solid var(--rule)}
.drawer-caption{font-size:var(--size-sm);color:var(--ink-soft);padding:8px}
.hero{position:relative;display:flex;flex-direction:column;min-height:calc(100vh - var(--nav-h) - var(--peek));background:var(--bg);color:var(--text);overflow-x:clip}
@supports(height:100svh){.hero{min-height:calc(100svh - var(--nav-h) - var(--peek))}}
.hero-stage{position:relative;flex:1 1 auto;display:grid;align-content:center;justify-items:center;padding-top:56px;padding-bottom:56px;overflow:hidden;isolation:isolate}
.hero-visual{position:absolute;inset:0;z-index:-1;overflow:hidden}
.hero-scene{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero-copy{position:relative;z-index:1;max-width:900px;text-align:center;display:flex;flex-direction:column;align-items:center}
.eyebrow{margin:0 0 22px;font-size:var(--size-sm);font-weight:var(--weight-medium);letter-spacing:.2em;color:var(--text)}
.hero-title{margin:0 0 32px;font-family:var(--font-display);font-weight:var(--weight-regular);font-size:var(--size-h1);line-height:1.22;letter-spacing:.005em;color:var(--text)}
.h1-line{display:block;animation:rise .7s var(--ease) both}
.h1-line+.h1-line{animation-delay:.14s}
@keyframes rise{from{opacity:0;transform:translateY(.45em)}to{opacity:1;transform:none}}
.mark{position:relative;white-space:nowrap}
.mark::after{content:"";position:absolute;left:0;right:0;bottom:-.04em;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left center;animation:draw .45s var(--ease) .7s forwards}
@keyframes draw{to{transform:scaleX(1)}}
.dot{color:var(--accent);flex-shrink:0}
.hero-actions{display:flex;gap:16px;margin-bottom:28px}
.hero-lede{margin:0 0 24px;max-width:640px;font-size:var(--size-lede);line-height:1.75;color:var(--text-muted)}
.hero-lede strong{color:var(--text);font-weight:var(--weight-semibold)}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.chip{display:inline-flex;align-items:center;gap:8px;min-height:32px;max-width:100%;padding:4px 12px;border:1px solid var(--border);border-radius:var(--r);background:var(--bg-panel);color:var(--text);font-size:var(--size-sm);overflow-wrap:anywhere}
.chip code{font-size:var(--size-xs);color:var(--text-muted)}
.hero-band{flex:none;min-height:var(--band-h);display:flex;align-items:center;background:var(--bg-panel);color:var(--text);border-top:1px solid var(--border)}
.band-row{display:flex;align-items:center;justify-content:center;gap:36px}
.band-label{font-size:var(--size-xs);letter-spacing:.18em;color:var(--text-muted);padding-right:36px;border-right:1px solid var(--border);line-height:22px;flex-shrink:0}
.platforms{display:flex;align-items:center;flex-wrap:wrap;justify-content:center;gap:18px 34px}
.pf-link{display:inline-flex;align-items:center;gap:9px;min-height:40px;font-size:14px;font-weight:var(--weight-medium);color:var(--text-muted);text-decoration:underline;text-decoration-color:var(--clear);text-underline-offset:6px;text-decoration-thickness:1px}
.pf-link:hover{color:var(--text);text-decoration-color:var(--accent)}
.sc-wall{fill:var(--scene-wall)}
.sc-shade{fill:var(--scene-shade)}
.sc-wood{fill:var(--scene-wood)}
.sc-wood-deep{fill:var(--scene-wood-deep)}
.sc-taupe{fill:var(--scene-taupe)}
.sc-screen{fill:var(--scene-screen)}
.sc-board{fill:var(--scene-board)}
.sc-stroke{stroke:var(--scene-line);stroke-width:1.5;vector-effect:non-scaling-stroke;stroke-linecap:round;stroke-linejoin:round}
.sc-ln{fill:none;stroke:var(--scene-line);stroke-width:1.5;vector-effect:non-scaling-stroke;stroke-linecap:round;stroke-linejoin:round}
.sc-ink{fill:none;stroke:var(--scene-shade);stroke-width:1.5;vector-effect:non-scaling-stroke;stroke-linecap:round}
.sc-faint{opacity:.42}
.sc-keys{stroke-dasharray:10 4;opacity:.5}
.sc-term{font-family:var(--font-mono);font-size:12.5px;fill:var(--scene-line)}
.sc-term-sm{font-size:11px}
.sc-hand{font-family:var(--font-display);font-style:italic;font-size:15px;fill:var(--scene-shade);letter-spacing:.01em}
.sc-hand-note{font-size:13px;opacity:.8}
.v-0{stop-color:var(--bg-panel);stop-opacity:.55}
.v-1{stop-color:var(--bg-panel);stop-opacity:.85}
.b-0{stop-color:var(--bg-panel);stop-opacity:0}
.b-1{stop-color:var(--bg-panel);stop-opacity:.4}
.gl-0{stop-color:var(--scene-glow);stop-opacity:.34}
.gl-1{stop-color:var(--scene-glow);stop-opacity:.12}
.gl-2{stop-color:var(--scene-glow);stop-opacity:0}
.lamp-glow{opacity:1;animation:breathe 9s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:.55}50%{opacity:1}}
.quick{background:var(--bg-panel2);color:var(--ink);padding-top:72px;padding-bottom:96px}
.quick-kicker{margin:0 0 14px;font-size:var(--size-sm);letter-spacing:.2em;color:var(--ink-soft)}
.quick-title{margin:0 0 16px;font-size:var(--size-h2)}
.quick-text{max-width:620px;color:var(--ink-soft)}
.feature-slice{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,3fr);align-items:center;gap:64px;padding-top:64px;padding-bottom:64px;border-bottom:1px solid var(--rule)}
.feature-slice>*{min-width:0}
.feature-slice:nth-child(even){grid-template-columns:minmax(0,3fr) minmax(0,2fr)}
.feature-slice:nth-child(even) .feature-art{order:2}
.feature-art{margin:0;color:var(--ink-soft)}
.feature-art svg{display:block;width:100%;max-height:240px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;transition:color var(--time-fast)}
.feature-slice:hover .feature-art svg{color:var(--accent)}
.feature-copy p{color:var(--ink-soft)}
.feature-key{font-family:var(--font-mono);font-size:var(--size-sm);color:var(--ink)}
.site-footer{background:var(--bg-panel);color:var(--text);padding-top:64px;padding-bottom:28px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) minmax(0,1.5fr);gap:56px}
.footer-grid>*{min-width:0}
.footer-brand p{color:var(--text-muted);font-size:var(--size-nav);max-width:340px;margin-top:24px}
.footer-title{font-family:var(--font-body);font-size:var(--size-nav);font-weight:var(--weight-semibold);margin-bottom:20px}
.footer-links{display:grid;gap:10px;list-style:none;padding:0;margin:0}
.footer-links a{color:var(--text-muted);text-decoration:underline;text-decoration-color:var(--clear);text-underline-offset:5px}
.footer-links a:hover{color:var(--text);text-decoration-color:var(--accent)}
.footer-languages{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border);font-size:var(--size-sm)}
.footer-languages a{display:inline-flex;align-items:center;min-height:32px;color:var(--text-muted)}
.footer-languages a[aria-current="true"]{color:var(--text);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:5px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;margin-top:20px;font-size:var(--size-sm);color:var(--text-muted)}
.footer-legal{display:flex;gap:24px}
.reveal{opacity:1;transform:none}
.reveal-pending{opacity:0;transform:translateY(18px);transition:opacity var(--time-reveal) var(--ease),transform var(--time-reveal) var(--ease)}
.reveal.shown{opacity:1;transform:none}
@media(max-width:1279px){
  .desktop-nav{display:none}
  .menu-toggle{display:inline-flex}
  .mobile-language{display:block}
  .utility-language{visibility:hidden}
  .header-tools{margin-left:auto}
  .mobile-drawer:not([hidden]){display:block}
  .mainbar-row{gap:20px}
  .language-menu{left:auto;right:0}
}
@media(min-width:1280px){.menu-veil,.mobile-drawer{display:none!important}}
@media(max-width:980px){
  .band-label{display:none}
  .footer-grid{gap:32px;grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1/-1}
  .feature-slice,.feature-slice:nth-child(even){gap:32px}
}
@media(max-width:768px){
  h1,.hero-title{font-size:var(--size-hero-mobile)}
  .grid-three{grid-template-columns:1fr}
}
@media(max-width:640px){
  :root{--gutter:20px;--section-space:56px;--size-h2:28px;--size-h3:22px}
  .utility-row{gap:18px}
  .utility-language{display:none}
  .brand-name{font-size:18px}
  .brand{gap:8px}
  .brand-mark{width:30px;height:30px}
  .mainbar-row{gap:8px}
  .header-tools{gap:6px;margin-left:auto}
  .mainbar-cta{display:none}
  .language-short{display:inline}
  .language-full{display:none}
  .hero-stage{padding-top:40px;padding-bottom:40px}
  .hero-actions{flex-direction:column;width:100%;gap:12px}
  .hero-actions .btn{width:100%}
  .hero-lede{font-size:var(--size-nav)}
  .eyebrow{font-size:var(--size-xs);letter-spacing:.12em}
  .platforms{gap:6px 22px;padding-top:10px;padding-bottom:10px}
  .band-row{gap:0}
  .grid-two{grid-template-columns:1fr}
  .panel,.card{padding:24px}
  .feature-slice,.feature-slice:nth-child(even){grid-template-columns:1fr;gap:28px;padding-top:40px;padding-bottom:40px}
  .feature-slice:nth-child(even) .feature-art{order:0}
  .feature-art svg{max-height:180px}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{grid-column:auto}
  .footer-bottom{flex-direction:column}
  .tilt,[data-tilt]{transform:none!important}
  pre{padding:18px}
}
@media(min-width:641px){.language-short{display:none}}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .h1-line,.mark::after,.lamp-glow{animation:none}
  .mark::after{transform:scaleX(1)}
  .lamp-glow{opacity:1}
  .reveal,.reveal-pending{opacity:1;transform:none;transition:none}
  .btn,.nav-link::after,.feature-art svg{transition:none}
}