:root{
  color-scheme:dark;
  --bg:#0b0e12;
  --panel:#14191f;
  --panel-2:#1a2027;
  --line:#2a333d;
  --text:#f4f7fa;
  --muted:#a7b0ba;
  --green:#46c66b;
  --green-dark:#173a24;
  --blue:#5c9ee8;
  --amber:#d9aa4c;
  --max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,a,summary{outline-offset:4px}
:focus-visible{outline:2px solid var(--blue)}

.skip-link{position:fixed;left:12px;top:-60px;z-index:100;background:#fff;color:#111;padding:10px 14px;border-radius:4px}
.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:30;height:64px;padding:0 max(18px,calc((100vw - var(--max))/2));display:flex;align-items:center;justify-content:space-between;gap:20px;background:rgba(11,14,18,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}
.brand{display:flex;align-items:center;gap:10px;min-width:0;font-weight:750;white-space:nowrap}
.brand img{border-radius:7px}
.beta{padding:2px 6px;border:1px solid #52705b;border-radius:4px;color:#b9d8c2;font-size:11px;font-weight:700;text-transform:uppercase}
.site-header nav,.footer-layout nav{display:flex;align-items:center;gap:24px;color:var(--muted);font-size:14px}
.site-header nav a:hover,.footer-layout nav a:hover{color:var(--text)}
.nav-download{padding:8px 14px;border-radius:6px;background:var(--green);color:#07110a!important;font-weight:750}

.hero{position:relative;min-height:min(720px,calc(100svh - 64px));display:flex;align-items:flex-end;background:url("assets/operator-workspace.png") center 24%/cover no-repeat;border-bottom:1px solid var(--line);isolation:isolate}
.hero-shade{position:absolute;inset:0;z-index:-1;background:rgba(3,6,9,.55)}
.hero-content{width:min(var(--max),calc(100% - 36px));margin:0 auto;padding:110px 0 62px}
.eyebrow{margin:0 0 12px;color:#91cfa2;font-size:12px;font-weight:800;text-transform:uppercase}
h1,h2,h3,p{letter-spacing:0}
h1{margin:0;font-size:78px;line-height:.95;max-width:820px}
.hero-lead{max-width:720px;margin:24px 0 0;color:#e4e9ed;font-size:22px;line-height:1.45;text-shadow:0 1px 3px #000}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 17px;border:1px solid var(--line);border-radius:6px;font-weight:750;font-size:14px;transition:background .15s ease,border-color .15s ease,transform .15s ease}
.button:hover{transform:translateY(-1px)}
.button.primary{background:var(--green);border-color:var(--green);color:#07110a}
.button.primary:hover{background:#61d27e}
.button.secondary{background:#151a20;border-color:#4a5663;color:#f1f4f6}
.button.secondary:hover{background:#202730}
.hero-facts{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:28px;color:#d0d7dd;font-size:13px}
.hero-facts span{display:flex;align-items:center;gap:8px}
.hero-facts span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green)}

.section-inner{width:min(var(--max),calc(100% - 36px));margin:0 auto}
.problem-band,.language-support{padding:70px 0;background:#10151a;border-bottom:1px solid var(--line)}
.problem-layout{display:grid;grid-template-columns:minmax(280px,.85fr) minmax(320px,1fr);gap:80px;align-items:start}
h2{margin:0;font-size:40px;line-height:1.12}
.problem-layout>p{margin:27px 0 0;color:#c4cbd2;font-size:18px}
.problem-layout a{color:#9bc8fb;text-decoration:underline;text-underline-offset:3px}

.workflow{padding:82px 0;background:#0d1116;border-bottom:1px solid var(--line)}
.workflow-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:38px}
.workflow-steps article{padding-top:18px;border-top:1px solid #3a4652}
.workflow-steps span{color:var(--green);font:700 12px/1 ui-monospace,SFMono-Regular,Menlo,monospace}
.workflow-steps h3{margin:18px 0 8px;font-size:20px}
.workflow-steps p{margin:0;color:var(--muted);font-size:15px}

.features{padding:92px 0;background:var(--bg)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:38px}
.feature-grid article{min-height:210px;padding:22px;border:1px solid var(--line);border-radius:6px;background:var(--panel)}
.feature-number{display:block;color:var(--green);font:700 12px/1 ui-monospace,SFMono-Regular,Menlo,monospace}
.feature-grid h3{margin:42px 0 8px;font-size:19px}
.feature-grid p{margin:0;color:var(--muted);font-size:14px}

.screens{padding:92px 0;background:#101419;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.screen-feature{margin:42px 0 0}
.screen-feature+ .screen-feature{margin-top:60px}
.screen-feature img{width:100%;border:1px solid #34404c;border-radius:6px;background:#05070a;box-shadow:0 20px 50px rgba(0,0,0,.35)}
.screen-feature figcaption{display:flex;justify-content:space-between;gap:24px;margin-top:14px;color:var(--muted);font-size:14px}
.screen-feature figcaption strong{color:var(--text)}

.install{padding:92px 0}
.download-guidance{max-width:850px;margin:18px 0 0;color:#c7d0d8;font-size:16px}
.download-guidance strong{color:var(--text)}
.install-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:38px}
.install-grid article{display:flex;flex-direction:column;align-items:flex-start;min-height:276px;padding:26px;border:1px solid var(--line);border-radius:6px;background:var(--panel)}
.platform-head{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px}
.platform-head h3{margin:0;font-size:24px}
.platform-head span{color:#bcd0e6;font:700 12px/1 ui-monospace,SFMono-Regular,Menlo,monospace}
.install-grid p{color:var(--muted);max-width:520px}
.install-steps{margin:22px 0 26px;padding-left:20px;color:var(--muted);font-size:14px}
.install-steps li+li{margin-top:8px}
.install-grid article>.platform-actions,.install-grid article>.button{margin-top:auto}
.platform-actions{display:flex;flex-wrap:wrap;gap:10px}
.advanced-download{width:100%;margin-top:12px;border-top:1px solid var(--line);border-bottom:0}
.advanced-download summary{padding:13px 28px 8px 0;color:#bdc8d2;font-size:13px}
.advanced-download summary::after{top:8px;font-size:19px}
.advanced-download p{padding:0 24px 4px 0;font-size:13px}
.advanced-download a{color:#9bc8fb;text-decoration:underline;text-underline-offset:3px}
.integrity-note{display:flex;gap:18px;margin-top:14px;padding:18px;border-left:3px solid var(--amber);background:#17191a;color:var(--muted)}
.integrity-note strong{color:#f3d597;white-space:nowrap}
.integrity-note a{color:#a9ccef;text-decoration:underline;text-underline-offset:3px}
code{padding:2px 5px;border-radius:4px;background:#252b31;color:#d8e2ea}

.beta-band{padding:70px 0;background:#15261a;border-top:1px solid #2f5939;border-bottom:1px solid #2f5939}
.beta-layout{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:50px;align-items:center}
.beta-layout p:not(.eyebrow){max-width:760px;margin:16px 0 0;color:#c8d5cc}

.faq{padding:92px 0;background:#0d1116}
.faq-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:80px}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:0}
summary{cursor:pointer;padding:20px 34px 20px 0;font-weight:700;list-style:none;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;top:18px;color:var(--green);font-size:22px;font-weight:400}
details[open] summary::after{content:"−"}
details p{margin:0;padding:0 40px 22px 0;color:var(--muted)}

.language-support{background:#15191e}
footer{padding:30px 0;border-top:1px solid var(--line);background:#090c0f}
.footer-layout{display:flex;justify-content:space-between;align-items:center;gap:30px}
.footer-layout>div{display:flex;flex-direction:column;gap:3px}
.footer-layout span{color:var(--muted);font-size:13px}

@media (max-width:900px){
  .site-header nav a:not(.nav-download){display:none}
  .problem-layout,.faq-layout{grid-template-columns:1fr;gap:24px}
  .problem-layout>p{margin-top:0}
  .feature-grid{grid-template-columns:1fr 1fr}
  .workflow-steps{grid-template-columns:1fr;gap:24px}
  .beta-layout{grid-template-columns:1fr}
  .screen-feature figcaption{flex-direction:column;gap:4px}
}

@media (max-width:640px){
  .site-header{height:58px;padding:0 14px}
  .brand span:first-of-type{font-size:14px}
  .hero{min-height:calc(100svh - 92px);background-position:44% center}
  .hero-content{width:calc(100% - 28px);padding:100px 0 34px}
  h1{font-size:50px}
  .hero-lead{font-size:18px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .button{width:100%}
  .section-inner{width:calc(100% - 28px)}
  h2{font-size:31px}
  .problem-band,.language-support,.beta-band{padding:50px 0}
  .workflow,.features,.screens,.install,.faq{padding:64px 0}
  .feature-grid,.install-grid{grid-template-columns:1fr}
  .platform-actions{width:100%}
  .platform-actions .button{width:100%}
  .feature-grid article{min-height:180px}
  .integrity-note{flex-direction:column;gap:6px}
  .footer-layout{align-items:flex-start;flex-direction:column}
  .footer-layout nav{flex-wrap:wrap;gap:12px 20px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .button{transition:none}
}