:root{
--bg:#080a12;--panel:#0e1220;--panel2:#131829;--line:#1e2537;
--txt:#eef1f9;--mut:#98a0b8;--acc:#6c5ce7;--acc2:#8f7bff;--ok:#2ecc8f;
--mono:ui-monospace,"SF Mono","Cascadia Code",Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--txt);font:16px/1.65 "Segoe UI",system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}
.shell{max-width:1060px;margin:0 auto;padding:0 28px}
h1,h2,h3{letter-spacing:-.025em;line-height:1.12;margin:0}
p{margin:0}
.glow{position:fixed;inset:0;z-index:0;pointer-events:none;
background:radial-gradient(700px 340px at 50% -120px,rgba(108,92,231,.28),transparent 70%),
radial-gradient(500px 300px at 85% 10%,rgba(46,204,143,.06),transparent 70%)}
main{position:relative;z-index:1}

/* nav */
.nav{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);background:rgba(8,10,18,.72);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:26px;padding:13px 28px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--txt);font-weight:650;font-size:16.5px}
.logo{display:grid;place-items:center;width:33px;height:33px;border-radius:9px;background:var(--acc);color:#fff;font-weight:750;font-size:16px}
.logo.sm{width:24px;height:24px;font-size:12px;border-radius:7px;vertical-align:-6px;margin-right:7px}
.menu{display:flex;gap:22px;margin-left:auto}
.menu a{color:var(--mut);text-decoration:none;font-size:14px;transition:color .15s}
.menu a:hover{color:var(--txt)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border:none;cursor:pointer;font-weight:600;border-radius:10px;transition:.18s;font-size:14.5px;padding:11px 20px}
.btn.primary{background:var(--acc);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.15) inset,0 8px 24px rgba(108,92,231,.35)}
.btn.primary:hover{background:var(--acc2);transform:translateY(-1px)}
.btn.ghost{background:var(--panel);color:var(--txt);border:1px solid var(--line)}
.btn.ghost:hover{border-color:#33405e;background:var(--panel2)}
.btn.lg{padding:13px 26px;font-size:15.5px}
.btn.sm{padding:8px 16px;font-size:13.5px}
.link{color:var(--acc2);text-decoration:none;font-weight:600}
.link:hover{text-decoration:underline}

/* demo */
.demo{margin-top:52px;background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.demo-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;background:var(--panel2);border-bottom:1px solid var(--line)}
.win-dot{width:11px;height:11px;border-radius:50%;background:#262d44}
.demo-title{margin-left:10px;font-size:13px;color:var(--mut)}
.state{margin-left:auto;font-size:12.5px;color:var(--mut);border:1px solid var(--line);border-radius:999px;padding:3px 12px;background:rgba(255,255,255,.02);transition:.3s}
.state.busy{color:#e8c268;border-color:#5a4d22}
.state.done{color:var(--ok);border-color:#1e5c44}
.demo-grid{display:grid;grid-template-columns:1fr 1fr}
.pane{padding:22px 24px}
.pane.out-pane{border-left:1px solid var(--line);background:rgba(255,255,255,.015)}
.pane-label{font:600 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mut);margin-bottom:14px}
textarea{width:100%;background:rgba(255,255,255,.03);border:1px solid var(--line);color:var(--txt);border-radius:12px;padding:14px 16px;font:15.5px/1.7 inherit;resize:vertical}
textarea:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px rgba(108,92,231,.22)}
.chips{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.chip{background:var(--panel2);border:1px solid var(--line);color:var(--mut);font-size:12.5px;padding:6px 13px;border-radius:999px;cursor:pointer;transition:.15s}
.chip:hover{color:var(--txt);border-color:var(--acc)}
.output{font:16.5px/1.7 Georgia,serif;min-height:150px;color:var(--txt)}
.output.typing{color:var(--mut)}
.pane-hint{margin-top:14px;font-size:13px;color:#6a7290}

/* features */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:64px}
.feature{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px}
.feature h3{font-size:17px;margin-bottom:8px}
.feature p{color:var(--mut);font-size:14.5px}

/* band cta styles */
.band{margin-top:64px}
.band-in{background:linear-gradient(120deg,rgba(108,92,231,.16),rgba(90,208,192,.07));border:1px solid #2a2f52;border-radius:20px;padding:52px 40px;text-align:center}
.band-in h2{font-size:clamp(26px,3.6vw,38px);font-weight:700}
.band-in p{color:var(--mut);margin:10px 0 24px;font-size:16px}

/* steps */
.steps{margin-top:64px}
.sec{font-size:clamp(26px,3.6vw,36px);font-weight:700;margin-bottom:22px}
.step-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;counter-reset:s}
.step-list li{counter-increment:s;display:grid;grid-template-columns:52px 210px 1fr;gap:20px;align-items:baseline;padding:20px 6px;border-bottom:1px solid var(--line)}
.step-list li:first-child{border-top:1px solid var(--line)}
.step-list li::before{content:"0" counter(s);font:650 15px var(--mono);color:var(--acc2)}
.step-list strong{font-size:16.5px;font-weight:650}
.step-list span{color:var(--mut);font-size:14.5px}
code{font-family:var(--mono);font-size:13px;background:var(--panel2);border:1px solid var(--line);border-radius:6px;padding:2px 7px}
kbd{font:12.5px var(--mono);background:var(--panel2);border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:1px 7px}

/* faq */
.faq{margin-top:64px}
.faq details{border-bottom:1px solid var(--line);padding:18px 4px;max-width:760px}
.faq summary{cursor:pointer;font-weight:600;font-size:16.5px;list-style:none;display:flex;align-items:center;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";font:600 18px var(--mono);color:var(--acc2);width:18px}
.faq details[open] summary::before{content:"–"}
.faq p{color:var(--mut);margin:10px 0 0 30px;font-size:15px}

/* footer */
.foot{border-top:1px solid var(--line);margin-top:72px}
.foot-in{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:24px 28px;color:var(--mut);font-size:14px}
.foot a{color:var(--mut)}.foot a:hover{color:var(--txt)}

@media(max-width:820px){
.menu{display:none}
.demo-grid{grid-template-columns:1fr}
.pane.out-pane{border-left:none;border-top:1px solid var(--line)}
.features{grid-template-columns:1fr}
.step-list li{grid-template-columns:40px 1fr;grid-template-rows:auto auto}
.step-list strong{grid-column:2}
.step-list span{grid-column:2}
.hero{padding-top:64px}
.glow{background:radial-gradient(500px 260px at 50% -80px,rgba(108,92,231,.25),transparent 70%)}
}

.band-in{background:linear-gradient(120deg,rgba(108,92,231,.16),rgba(90,208,192,.07));border:1px solid #2a2f52;border-radius:20px;padding:52px 40px;text-align:center}
.band-in h2{font-size:clamp(26px,3.6vw,38px);font-weight:700}
.band-in p{color:var(--mut);margin:10px 0 24px;font-size:16px}

.hero h1{font-size:clamp(40px,6.4vw,68px);font-weight:700}
.grad{background:linear-gradient(92deg,var(--acc2) 0%,#5ad0c0 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{margin:18px auto 0;max-width:560px;color:var(--mut);font-size:18px}
.hero-cta{display:flex;gap:14px;justify-content:center;margin:30px 0 14px;flex-wrap:wrap}
.micro{color:#6a7290;font-size:13.5px}