:root{
  --bg:#0b0d12; --bg2:#11141b; --card:#151923; --line:#242a38; --text:#e8ebf2; --mut:#9aa3b5;
  --acc:#6ea8ff; --acc2:#9b6bff; --ok:#4ade80; --warn:#fbbf24; --bad:#f87171;
  --r:14px;
}
@media (prefers-color-scheme: light){
  :root{ --bg:#f7f8fb; --bg2:#eef1f6; --card:#fff; --line:#dfe3ec; --text:#141824; --mut:#5a6479; --acc:#2f6bff; --acc2:#7a4dff; }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
code{background:var(--bg2);border:1px solid var(--line);padding:1px 6px;border-radius:6px;font-size:.88em}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}

.nav{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em}
.nav nav{display:flex;align-items:center;gap:22px;color:var(--mut);font-size:.95rem}
.nav nav a:hover{color:var(--text)}
@media(max-width:640px){.nav nav a:not(.btn){display:none}}

.btn{display:inline-block;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;font-weight:600;padding:10px 18px;border-radius:10px;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 24px -8px var(--acc2)}
.btn-sm{padding:7px 14px;font-size:.9rem}
.btn-lg{padding:14px 26px;font-size:1.05rem}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{box-shadow:none;border-color:var(--mut)}
a:focus-visible,summary:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:6px}

.hero{text-align:center;padding:84px 20px 40px}
.eyebrow{color:var(--acc);font-weight:600;text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;margin:0 0 14px}
h1{font-size:clamp(2.3rem,6vw,4rem);line-height:1.08;letter-spacing:-.03em;margin:0 0 20px}
.grad{background:linear-gradient(135deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{max-width:640px;margin:0 auto 30px;color:var(--mut);font-size:1.15rem}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.meta{color:var(--mut);font-size:.88rem;margin:16px 0 0}

.mock{margin:56px auto 0;max-width:960px;text-align:left;border:1px solid var(--line);border-radius:var(--r);background:var(--card);overflow:hidden;box-shadow:0 30px 80px -30px rgba(80,90,255,.35);font-size:.82rem}
.mock-bar{display:flex;align-items:center;gap:7px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--bg2);color:var(--mut)}
.mock-bar i{width:11px;height:11px;border-radius:50%;background:var(--line)}
.mock-bar span{margin-left:10px;flex:1}
.live{color:var(--ok);font-weight:600}
.mock-body{display:grid;grid-template-columns:170px 1fr 220px;min-height:230px}
.mock aside{border-right:1px solid var(--line);padding:12px}
.mock aside p,.detail p{margin:0 0 8px;font-size:.7rem;letter-spacing:.1em;color:var(--mut)}
.mock aside div{display:flex;justify-content:space-between;padding:5px 8px;border-radius:6px;color:var(--mut)}
.mock aside div.sel{background:color-mix(in srgb,var(--acc) 18%,transparent);color:var(--text)}
.mock em{font-style:normal;opacity:.7}
.list .row{display:grid;grid-template-columns:60px 1fr 54px 60px;gap:8px;padding:7px 12px;border-bottom:1px solid var(--line);font-family:ui-monospace,Menlo,Consolas,monospace}
.list .row.h{font-family:inherit;color:var(--mut);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase}
.list .row.sel{background:color-mix(in srgb,var(--acc) 14%,transparent)}
.m{font-weight:700}.get{color:var(--ok)}.post{color:var(--acc)}.put{color:var(--warn)}
.ok{color:var(--ok)}.warn{color:var(--warn)}.bad{color:var(--bad)}
.detail{border-left:1px solid var(--line);padding:12px}
pre{margin:0;font:inherit;font-family:ui-monospace,Menlo,Consolas,monospace;line-height:1.6;white-space:pre-wrap}
.k{color:var(--mut)}.s{color:var(--acc)}.v{color:var(--ok)}.n{color:var(--warn)}
@media(max-width:760px){.mock-body{grid-template-columns:1fr}.mock aside,.detail{display:none}}

.section{padding:80px 20px}
h2{font-size:clamp(1.7rem,4vw,2.4rem);letter-spacing:-.02em;margin:0 0 10px;text-align:center}
.sub{color:var(--mut);text-align:center;margin:0 0 40px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.card h3{margin:0 0 8px;font-size:1.05rem}
.card p{margin:0;color:var(--mut);font-size:.95rem}

.steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;padding:0;margin:40px 0 0}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;display:flex;flex-direction:column;gap:6px}
.steps li::before{content:counter(s);width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--acc),var(--acc2));margin-bottom:6px}
.steps span{color:var(--mut);font-size:.95rem}

#download{background:var(--bg2);max-width:none;border-block:1px solid var(--line)}
#download>*{max-width:1040px;margin-inline:auto}
.dl-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.dl{text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;padding:28px 22px}
.dl.rec{border-color:var(--acc);box-shadow:0 0 0 1px var(--acc)}
.ico{font-size:2.2rem;line-height:1}
.dl .btn{margin-top:12px}
.dl small{color:var(--mut);font-size:.78rem;word-break:break-all}
.note{text-align:center;color:var(--mut);font-size:.9rem;margin-top:24px}

details{border:1px solid var(--line);border-radius:12px;background:var(--card);margin-bottom:10px;padding:0 18px}
summary{cursor:pointer;padding:16px 0;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::after{content:"+";color:var(--mut)}
details[open] summary::after{content:"–"}
details p{margin:0 0 16px;color:var(--mut)}

footer{border-top:1px solid var(--line);padding:28px 0;color:var(--mut);font-size:.9rem}
.foot-in{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}