:root{
  --bg:#0c0e11;--panel:#13161b;--raise:#1a1e25;--line:#29303b;--fg:#e9edf2;--muted:#9aa4b2;
  --acc:#36d6c6;--acc-d:#0f3633;--warm:#ffb547;
  --f-disp:'Unbounded',system-ui,sans-serif;--f-body:'DM Sans',system-ui,sans-serif;--f-mono:'IBM Plex Mono',ui-monospace,monospace;
  --w:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--f-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--acc)}
.wrap{max-width:var(--w);margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:var(--f-disp);line-height:1.15;margin:0;text-wrap:balance}
h2{font-size:clamp(26px,3.6vw,38px);font-weight:700}
h3{font-size:16px;font-weight:500}
p{margin:0}
.eyebrow{font-family:var(--f-mono);font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--acc)}
.muted{color:var(--muted)}

/* header */
header{position:sticky;top:0;z-index:10;background:#0c0e11e6;backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hbar{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--fg)}
.mark{display:grid;grid-template-columns:repeat(3,7px);gap:2px}
.mark i{width:7px;height:7px;border-radius:1.5px}
.mark i:nth-child(1){background:#ff3d6e}.mark i:nth-child(2){background:#ff9a3d}.mark i:nth-child(3){background:#ffe14d}
.mark i:nth-child(4){background:#7dff6a}.mark i:nth-child(5){background:#36d6c6}.mark i:nth-child(6){background:#3d9bff}
.mark i:nth-child(7){background:#7a5cff}.mark i:nth-child(8){background:#d84dff}.mark i:nth-child(9){background:#fff}
.wordmark{font-family:var(--f-disp);font-weight:700;font-size:17px}
.wordmark span{color:var(--acc);font-weight:500}
nav.links{display:flex;gap:22px;margin-left:auto}
nav.links a{color:var(--muted);text-decoration:none;font-size:15px}
nav.links a:hover{color:var(--fg)}
.btn{display:inline-flex;align-items:center;gap:10px;font:600 16px var(--f-body);text-decoration:none;border-radius:10px;padding:13px 22px;border:1px solid transparent;cursor:pointer;transition:transform .12s,background .15s}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--acc);color:#04201d}
.btn.primary:hover{background:#5fe6d8}
.btn.ghost{border-color:var(--line);color:var(--fg)}
.btn.ghost:hover{background:var(--raise)}
.btn.sm{padding:8px 14px;font-size:14px}
.btn svg{width:18px;height:18px;flex:none}

/* hero */
.hero{padding:72px 0 40px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(34px,6vw,64px);font-weight:700;letter-spacing:-.01em}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#ff3d6e,#ff9a3d,#ffe14d,#7dff6a,#36d6c6,#3d9bff,#d84dff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lede{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:640px;margin-top:20px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;align-items:center}
.cta .note{font-size:14px;color:var(--muted);font-family:var(--f-mono)}
#pixels{display:block;width:100%;height:28px;margin:40px 0 0}
.shot{border-radius:14px;border:1px solid var(--line);overflow:hidden;background:#000;box-shadow:0 30px 80px #000a,0 0 0 1px #ffffff08}
.hero .shot{margin-top:44px}

/* sections */
section{padding:80px 0}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head p{margin-top:14px;color:var(--muted)}
.feats{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.feat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px}
.feat .ic{width:34px;height:34px;border-radius:9px;background:var(--acc-d);color:var(--acc);display:grid;place-items:center;margin-bottom:14px}
.feat .ic svg{width:18px;height:18px}
.feat p{color:var(--muted);font-size:15px;margin-top:8px}
.spec{font-family:var(--f-mono);font-size:13px;color:var(--warm)}

.split{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
.split + .split{margin-top:72px}
.split ol{margin:18px 0 0;padding-left:22px;color:var(--muted)}
.split ol li{margin:6px 0}
.split ol b{color:var(--fg);font-weight:600}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;counter-reset:s}
.step{border-top:2px solid var(--line);padding-top:18px}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-family:var(--f-mono);color:var(--acc);font-size:14px;display:block;margin-bottom:8px}
.step p{color:var(--muted);font-size:15px;margin-top:8px}

/* download */
.dl{background:linear-gradient(180deg,var(--panel),var(--bg));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.dl-card{display:grid;grid-template-columns:1fr;gap:32px}
.dl-main{background:var(--raise);border:1px solid var(--line);border-radius:16px;padding:28px}
.dl-main .ver{font-family:var(--f-mono);font-size:14px;color:var(--muted);margin-top:10px}
.dl-main .btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.req{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:8px;font-size:15px}
.req li{display:flex;gap:10px;color:var(--muted)}
.req li::before{content:'';width:6px;height:6px;border-radius:2px;background:var(--acc);margin-top:10px;flex:none}
.warnbox{border:1px solid #ffb54755;background:#3b2b1055;border-radius:12px;padding:16px 18px;font-size:15px;color:var(--muted)}
.warnbox b{color:var(--warm)}
.phone-note{display:none;font-size:14px;color:var(--warm);margin-top:12px}

/* faq */
details{border-bottom:1px solid var(--line);padding:18px 0}
details summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
details summary::after{content:'+';font-family:var(--f-mono);color:var(--acc);font-size:20px;line-height:1}
details[open] summary::after{content:'–'}
details p{color:var(--muted);margin-top:10px;font-size:16px}
.faq{max-width:820px}

footer{padding:40px 0 56px;color:var(--muted);font-size:14px}
.fbar{display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;justify-content:space-between}
footer a{color:var(--muted)}

@media (min-width:900px){
  .split{grid-template-columns:5fr 7fr}
  .split.rev{grid-template-columns:7fr 5fr}
  .split.rev .txt{order:2}
  .dl-card{grid-template-columns:7fr 5fr}
}
@media (max-width:720px){
  nav.links a:not(.btn){display:none}
  .hero{padding-top:44px}
  section{padding:56px 0}
  .phone-note{display:block}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ===== guide page ===== */
.gwrap{display:grid;grid-template-columns:1fr;gap:40px;padding-top:48px;padding-bottom:40px}
.toc{display:none}
@media (min-width:1000px){
  .gwrap{grid-template-columns:230px 1fr}
  .toc{display:block;position:sticky;top:88px;align-self:start;max-height:calc(100vh - 110px);overflow:auto}
}
.toc ol{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:2px;counter-reset:t}
.toc a{display:flex;gap:10px;padding:6px 10px;border-radius:8px;color:var(--muted);text-decoration:none;font-size:14px;line-height:1.35}
.toc a::before{counter-increment:t;content:counter(t,decimal-leading-zero);font-family:var(--f-mono);font-size:12px;color:var(--acc);padding-top:1px}
.toc a:hover,.toc a.on{background:var(--raise);color:var(--fg)}
.gmain{min-width:0;max-width:860px}
.gmain>header.gh{position:static;background:none;backdrop-filter:none;border:0;margin-bottom:12px}
.gmain h1{font-size:clamp(30px,5vw,46px);font-weight:700;margin-top:10px}
.gmain .intro{color:var(--muted);font-size:18px;margin-top:16px;max-width:680px}
.gsec{padding:48px 0 8px;border-top:1px solid var(--line);margin-top:48px;scroll-margin-top:80px}
.gsec:first-of-type{border-top:0;margin-top:24px}
.gsec h2{font-size:clamp(22px,3vw,28px);display:flex;gap:14px;align-items:baseline}
.gsec h2 .n{font-family:var(--f-mono);font-size:15px;color:var(--acc);font-weight:500}
.gsec>p{color:var(--muted);margin-top:12px}
.gsec h3{margin-top:28px;font-size:15px}
.gsteps{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:12px;counter-reset:g}
.gsteps li{display:grid;grid-template-columns:30px 1fr;gap:12px;color:var(--muted)}
.gsteps li::before{counter-increment:g;content:counter(g);width:26px;height:26px;border-radius:50%;background:var(--warm);color:#0c0e11;font:700 13px var(--f-body);display:grid;place-items:center;margin-top:1px}
.gsteps.plain li::before{background:var(--raise);color:var(--acc);border:1px solid var(--line)}
.gsteps b,.gsec p b,.tips b{color:var(--fg);font-weight:600}
kbd,.ui{font-family:var(--f-mono);font-size:.86em;background:var(--raise);border:1px solid var(--line);border-radius:6px;padding:1px 6px;color:var(--fg);white-space:nowrap}
figure{margin:24px 0 0}
figure .shot{box-shadow:0 16px 40px #0008}
figure.narrow .shot{max-width:320px}
figure.mid .shot{max-width:560px}
figcaption{font-size:14px;color:var(--muted);margin-top:10px}
figcaption .key{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--warm);color:#0c0e11;font:700 11px var(--f-body);margin:0 4px 0 2px;vertical-align:1px}
.tips{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--acc);border-radius:10px;padding:14px 18px;margin-top:20px;font-size:15px;color:var(--muted)}
.tips.warn{border-left-color:var(--warm)}
.tips p+p{margin-top:8px}
.trouble{display:grid;gap:12px;margin-top:20px}
.trouble div{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.trouble h4{margin:0;font-size:16px}
.trouble p{color:var(--muted);font-size:15px;margin-top:6px}
.gnext{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
figure .shot{width:fit-content;max-width:100%}
figure .shot img{width:auto;max-width:100%;height:auto}
.shot img{width:100%;height:auto}
figure .shot img{width:auto}
figure.narrow .shot{max-width:280px}
figure.mid .shot{max-width:420px}