:root{
    --bg:#07111f; --bg2:#0a1626; --panel:#0d1c30; --panel2:#102338;
    --line:#1b3350; --line2:#25456b;
    --cyan:#5ad0ff; --cyan-bright:#8ff7ff; --green:#2fcf94; --amber:#f6c85d; --alert:#f65d78;
    --ink:#e6f5ff; --ink-dim:#9db6d2; --ink-faint:#5f7897;
    --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
    --sans:'Inter',system-ui,-apple-system,sans-serif;
    --maxw:1180px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0; background:var(--bg); color:var(--ink); font-family:var(--sans);
    font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased;
    background-image:
      linear-gradient(var(--line) 1px, transparent 1px),
      linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size:44px 44px, 44px 44px;
    background-position:center top;
  }
  body::before{
    content:""; position:fixed; inset:0; pointer-events:none; z-index:0;
    background:radial-gradient(120% 80% at 50% -10%, rgba(90,208,255,.10), transparent 60%),
               radial-gradient(90% 60% at 100% 100%, rgba(47,207,148,.07), transparent 55%);
  }
  .wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px; position:relative; z-index:1}
  a{color:var(--cyan-bright); text-decoration:none}
  .mono{font-family:var(--mono)}

  /* ---- top telemetry bar ---- */
  .topbar{
    position:sticky; top:0; z-index:20; backdrop-filter:blur(8px);
    background:linear-gradient(180deg, rgba(7,17,31,.94), rgba(7,17,31,.72));
    border-bottom:1px solid var(--line);
  }
  .topbar__in{display:flex; align-items:center; gap:18px; height:58px}
  .logo{font-family:var(--mono); font-weight:800; letter-spacing:.5px; color:var(--cyan-bright); font-size:18px}
  .logo b{color:var(--green)}
  .topbar__stats{margin-left:auto; display:flex; gap:20px; font-family:var(--mono); font-size:12px; color:var(--ink-faint)}
  .topbar__stats b{color:var(--ink); font-weight:700}
  .topbar__stats span{display:none}
  @media(min-width:720px){ .topbar__stats span{display:inline} }
  .topbar__cta{
    font-family:var(--mono); font-weight:800; font-size:13px; color:#03121b;
    background:linear-gradient(135deg,var(--cyan-bright),var(--green));
    padding:9px 16px; border-radius:10px; white-space:nowrap;
  }
  .topbar__cta:hover{filter:brightness(1.08)}

  /* ---- hero ---- */
  .hero{padding:56px 0 40px; position:relative}
  .hero__grid{display:grid; grid-template-columns:1fr; gap:44px; align-items:center}
  @media(min-width:900px){ .hero__grid{grid-template-columns:1.15fr .85fr} }
  .eyebrow{font-family:var(--mono); font-size:12.5px; letter-spacing:2.5px; text-transform:uppercase; color:var(--cyan); margin:0 0 18px}
  .eyebrow::before{content:"◂ "; color:var(--green)}
  h1{
    font-family:var(--mono); font-weight:800; font-size:clamp(40px,7vw,74px);
    line-height:1.02; margin:0 0 8px; letter-spacing:-1px;
  }
  h1 .blink{color:var(--green)}
  .hero__sub{font-family:var(--mono); font-size:clamp(15px,2.4vw,20px); color:var(--cyan-bright); margin:0 0 22px; font-weight:500}
  .hero p.lead{font-size:17px; color:var(--ink-dim); max-width:52ch; margin:0 0 30px}
  .hero__actions{display:flex; flex-wrap:wrap; gap:14px; align-items:center}
  .btn{
    font-family:var(--mono); font-weight:800; font-size:15px; border-radius:12px;
    padding:15px 26px; cursor:pointer; border:1px solid transparent; display:inline-block;
  }
  .btn--go{color:#03121b; background:linear-gradient(135deg,var(--cyan-bright),var(--green))}
  .btn--go:hover{filter:brightness(1.08); transform:translateY(-1px)}
  .btn--ghost{color:var(--cyan-bright); background:rgba(90,208,255,.06); border-color:var(--line2)}
  .btn--ghost:hover{background:rgba(90,208,255,.12)}
  .btn{transition:transform .15s ease, filter .15s ease, background .15s ease}

  /* hero phone frame */
  .hero__device{justify-self:center; position:relative}
  .device{
    width:248px; border-radius:34px; padding:10px; background:linear-gradient(160deg,#16304c,#0a1626);
    border:1px solid var(--line2); box-shadow:0 30px 80px -30px rgba(0,0,0,.9), 0 0 0 1px rgba(90,208,255,.06);
  }
  .device__screen{border-radius:26px; overflow:hidden; height:440px}
  .device__screen img{width:100%; height:100%; display:block; object-fit:cover; object-position:center 10%}
  .device__notch{position:absolute; top:18px; left:50%; transform:translateX(-50%); width:82px; height:6px; border-radius:6px; background:#0a1626; border:1px solid var(--line); z-index:2}
  .device::after{
    content:"push that packet!"; position:absolute; bottom:-14px; left:50%; transform:translateX(-50%);
    font-family:var(--mono); font-size:11px; color:var(--ink-faint); white-space:nowrap;
    background:var(--bg); padding:0 10px;
  }

  /* ---- section frame ---- */
  section{padding:64px 0; position:relative}
  .sechead{margin:0 0 36px}
  .sechead .kick{font-family:var(--mono); font-size:12px; letter-spacing:2px; text-transform:uppercase; color:var(--green); margin:0 0 10px}
  .sechead h2{font-family:var(--mono); font-weight:800; font-size:clamp(26px,4vw,38px); margin:0; letter-spacing:-.5px}
  .sechead p{color:var(--ink-dim); max-width:60ch; margin:12px 0 0}

  /* ---- how to play ---- */
  .how{border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:linear-gradient(180deg, rgba(13,28,48,.4), transparent)}
  .steps{display:grid; gap:18px; grid-template-columns:1fr}
  @media(min-width:680px){ .steps{grid-template-columns:1fr 1fr} }
  @media(min-width:1000px){ .steps{grid-template-columns:repeat(4,1fr)} }
  .step{
    background:var(--panel); border:1px solid var(--line); border-radius:16px; padding:22px 20px;
    position:relative; overflow:hidden;
  }
  .step__k{font-family:var(--mono); font-size:12px; color:var(--cyan); letter-spacing:1px}
  .step h3{font-family:var(--mono); font-weight:700; font-size:17px; margin:10px 0 8px; color:var(--ink)}
  .step p{margin:0; font-size:14.5px; color:var(--ink-dim)}
  .step::after{content:""; position:absolute; left:0; top:0; bottom:0; width:3px; background:linear-gradient(180deg,var(--cyan),var(--green))}

  .gauges{display:flex; flex-wrap:wrap; gap:12px; margin-top:26px}
  .gauge{font-family:var(--mono); font-size:12.5px; color:var(--ink-dim); border:1px solid var(--line2); border-radius:999px; padding:8px 14px; background:rgba(90,208,255,.04)}
  .gauge b{color:var(--cyan-bright)}
  .gauge--alert b{color:var(--alert)}
  .gauge--green b{color:var(--green)}

  /* ---- levels grid ---- */
  .levels{display:grid; grid-template-columns:1fr; gap:22px}
  @media(min-width:640px){ .levels{grid-template-columns:1fr 1fr} }
  @media(min-width:1000px){ .levels{grid-template-columns:repeat(4,1fr)} }
  .level{
    background:var(--panel); border:1px solid var(--line); border-radius:16px; overflow:hidden;
    display:flex; flex-direction:column; transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  }
  .level:hover{border-color:var(--line2); transform:translateY(-3px); box-shadow:0 20px 44px -26px rgba(0,0,0,.9)}
  .level__shot{position:relative; overflow:hidden; background:var(--bg)}
  .level__shot img{width:100%; height:auto; display:block; aspect-ratio:640/1340; object-fit:cover; object-position:center 22%}
  .level__scan{
    position:absolute; left:0; right:0; top:-40%; height:40%;
    background:linear-gradient(180deg, transparent, rgba(90,208,255,.16), transparent);
    opacity:0; transition:opacity .2s ease;
  }
  .level:hover .level__scan{opacity:1; animation:scan 1.9s linear infinite}
  @keyframes scan{0%{top:-40%}100%{top:110%}}
  .level__body{padding:16px 16px 20px; display:flex; flex-direction:column; gap:6px; flex:1}
  .level__meta{display:flex; align-items:center; justify-content:space-between; font-family:var(--mono); font-size:11.5px; letter-spacing:.5px}
  .level__num{color:var(--green); font-weight:700}
  .level__layer{color:var(--ink-faint); border:1px solid var(--line2); border-radius:5px; padding:2px 7px}
  .level__title{font-family:var(--mono); font-weight:700; font-size:18px; margin:6px 0 0; color:var(--ink)}
  .level__tag{margin:0; color:var(--cyan-bright); font-size:13.5px; font-weight:500}
  .level__blurb{margin:4px 0 0; color:var(--ink-dim); font-size:13.5px; line-height:1.55}

  /* ---- closing cta ---- */
  .end{text-align:center; border-top:1px solid var(--line)}
  .end h2{font-family:var(--mono); font-weight:800; font-size:clamp(28px,5vw,46px); margin:0 0 14px}
  .end p{color:var(--ink-dim); max-width:48ch; margin:0 auto 28px}
  .end .btn--go{font-size:17px; padding:17px 34px}
  .install{margin-top:22px; font-family:var(--mono); font-size:12.5px; color:var(--ink-faint)}

  footer{border-top:1px solid var(--line); padding:30px 0 50px; color:var(--ink-faint); font-family:var(--mono); font-size:12.5px}
  .footer__in{display:flex; flex-wrap:wrap; gap:8px 20px; align-items:center; justify-content:space-between}
  .footer__in a{color:var(--ink-dim)}

  @media(prefers-reduced-motion:reduce){
    *{animation:none !important; transition:none !important}
    html{scroll-behavior:auto}
  }
  :focus-visible{outline:2px solid var(--cyan-bright); outline-offset:3px; border-radius:6px}