:root{
  --blue:#007AFF; --purple:#8B5CF6; --cyan:#22D3EE;
  --bg:#0B0F1A; --bg2:#101627; --card:#131a2d; --line:#232c45;
  --text:#F8FAFC; --muted:#A9B6CB; --ok:#34D399; --warn:#FBBF24; --plan:#94A3B8;
  --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--bg);color:var(--text);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Inter","Segoe UI",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--cyan);text-underline-offset:3px}
a:hover{color:#fff}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:6px}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
code{background:#1a2340;border:1px solid var(--line);padding:.1em .4em;border-radius:6px;font-size:.92em}
.wrap{width:min(1080px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:#000;padding:8px 12px;border-radius:8px;z-index:20}
.skip:focus{left:8px}

/* nav */
.nav{position:sticky;top:0;z-index:10;background:rgba(11,15,26,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700;font-size:1.15rem}
.nav nav{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}
.nav nav a{color:var(--muted);text-decoration:none;font-size:.95rem}
.nav nav a:hover{color:#fff}
.lang{background:transparent;color:var(--text);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font:inherit;font-size:.85rem;cursor:pointer}
.lang:hover{border-color:var(--cyan)}

/* hero */
.hero{padding:72px 0 56px;background:
  radial-gradient(800px 360px at 15% -10%,rgba(0,122,255,.28),transparent 70%),
  radial-gradient(700px 340px at 90% 0%,rgba(139,92,246,.24),transparent 70%)}
.hero-in{text-align:center}
.eyebrow{color:var(--cyan);font-weight:600;letter-spacing:.04em;text-transform:uppercase;font-size:.8rem;margin:0 0 14px}
h1{font-size:clamp(2.2rem,5.4vw,3.8rem);line-height:1.08;margin:0 auto 18px;max-width:18ch;letter-spacing:-.02em}
.grad{background:linear-gradient(90deg,var(--cyan),var(--blue) 45%,var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);font-size:1.15rem;max-width:62ch;margin:0 auto 28px}
.small-lead{margin-inline:0}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 22px;border-radius:12px;border:1px solid var(--line);color:var(--text);text-decoration:none;font-weight:600;background:var(--card)}
.btn:hover{border-color:var(--cyan);color:#fff}
.btn.primary{background:linear-gradient(135deg,var(--blue),var(--purple));border-color:transparent}
.btn.primary:hover{filter:brightness(1.1)}
.btn.big{padding:16px 30px;font-size:1.1rem}
.badges{list-style:none;display:flex;gap:10px;justify-content:center;flex-wrap:wrap;padding:0;margin:26px 0 0}
.badges li{border:1px solid var(--line);color:var(--muted);padding:4px 12px;border-radius:999px;font-size:.85rem;background:rgba(19,26,45,.6)}
.shot{margin:44px auto 0;max-width:880px}
.shot img{width:100%;height:auto;border-radius:14px;border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.55)}
.shot figcaption{color:var(--muted);font-size:.85rem;margin-top:10px}

/* sections */
.sec{padding:72px 0}
.sec.alt{background:var(--bg2);border-block:1px solid var(--line)}
h2{font-size:clamp(1.6rem,3.2vw,2.2rem);margin:0 0 28px;letter-spacing:-.01em}
h3{margin:0 0 6px;font-size:1.1rem}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card p{margin:0;color:var(--muted)}
.steps{list-style:none;counter-reset:s;margin:0;padding:0;display:grid;gap:16px}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 22px 70px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:20px;top:20px;width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;font-weight:700;background:linear-gradient(135deg,var(--blue),var(--purple))}
.steps p{margin:4px 0;color:var(--muted)}
pre{background:#0a0f1d;border:1px solid var(--line);border-radius:10px;padding:12px 16px;overflow-x:auto;margin:10px 0}
pre code{background:none;border:0;padding:0}
.small{font-size:.9rem;color:var(--muted)}
.note{margin-top:20px;color:var(--muted);border-left:3px solid var(--purple);padding-left:14px}

/* status table */
.table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:10px 0 14px}
.row{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,2fr);gap:16px;padding:14px 18px;border-top:1px solid var(--line);background:var(--card)}
.row.head{border-top:0;background:#182039;font-weight:600;color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.04em}
.ok::before{content:"✓ ";color:var(--ok);font-weight:700}
.exp::before{content:"◐ ";color:var(--warn);font-weight:700}
.plan::before{content:"○ ";color:var(--plan);font-weight:700}
@media (max-width:640px){.row{grid-template-columns:1fr;gap:4px}.nav nav{display:none}.nav-in{justify-content:space-between}.lang{margin-left:auto}}

/* download */
.dl{background:
  radial-gradient(700px 300px at 50% 0%,rgba(0,122,255,.22),transparent 70%),var(--bg)}
.dl-in{text-align:center}
.dl-in .lead{margin-inline:auto}

/* faq */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600}
.faq p{color:var(--muted);margin:10px 0 2px}

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