:root{
  --off:#f6f7f9;
  --white:#ffffff;
  --slate:#2f3844;
  --slate-dk:#1d242c;
  --blue:#1f6feb;
  --blue-lt:#e8f0fe;
  --gray:#8a95a1;
  --line:#dde2e8;
  --geo:'Space Grotesk',system-ui,sans-serif;
  --mono:'IBM Plex Mono',Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--geo);color:var(--slate-dk);background:var(--off);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(1220px,100% - 3rem);margin-inline:auto}

/* status bar */
.statusbar{background:var(--slate-dk);color:#a9b4c0;font-size:.78rem;font-family:var(--mono)}
.sb-in{display:flex;align-items:center;gap:.55rem;padding:.5rem 0;flex-wrap:wrap}
.sb-in a{margin-left:auto;color:var(--white)}
.sb-in a i{color:var(--blue);margin-right:.35rem}
.dot{width:7px;height:7px;background:var(--blue);border-radius:50%;box-shadow:0 0 0 3px rgba(31,111,235,.22)}

/* header */
.hdr{background:var(--slate);color:var(--white);position:sticky;top:0;z-index:70;transition:box-shadow .25s,background .25s}
.hdr.scroll{box-shadow:0 8px 26px rgba(29,36,44,.22)}
.hdr-in{display:flex;align-items:center;gap:1.4rem;padding:.85rem 0}
.brand{display:flex;align-items:center;gap:.6rem;margin-right:auto}
.brand>i{color:var(--blue);font-size:1.15rem}
.brand span{font-weight:700;font-size:1.05rem;letter-spacing:.01em;line-height:1.1}
.brand em{display:block;font-style:normal;font-size:.63rem;letter-spacing:.24em;text-transform:uppercase;color:#8e9aa8;font-weight:400;margin-top:.2rem}
.nav{display:flex;gap:1.5rem;font-size:.88rem;color:#c6d0da}
.nav a{position:relative;padding:.25rem 0}
.nav a::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--blue);transition:width .25s}
.nav a:hover::after,.nav a.on::after{width:100%}
.nav a.on{color:var(--white)}
.nav-cta{border:1px solid rgba(255,255,255,.28);padding:.5rem 1rem;font-family:var(--mono);font-size:.85rem;transition:border-color .25s,background .25s}
.nav-cta:hover{background:var(--blue);border-color:var(--blue)}
.burger{display:none;width:42px;height:38px;background:none;border:1px solid rgba(255,255,255,.25);flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer}
.burger span{width:18px;height:2px;background:var(--white);transition:transform .25s,opacity .2s}
.burger.on span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* hero dashboard */
.dash{position:relative;background:var(--white);overflow:hidden;border-bottom:1px solid var(--line)}
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;opacity:.5;pointer-events:none}
.dash-in{position:relative;width:min(1220px,100% - 3rem);margin-inline:auto;display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;padding:5rem 0;align-items:center}
.tag{display:inline-block;font-family:var(--mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--blue);background:var(--blue-lt);padding:.35rem .7rem}
.dash h1{font-size:clamp(1.9rem,3.6vw,3rem);line-height:1.12;font-weight:700;margin-top:1.2rem;letter-spacing:-.02em}
.dash-main>p{margin-top:1.1rem;color:#5b6674;max-width:48ch}
.big-phone{display:inline-flex;align-items:center;gap:.6rem;margin-top:1.8rem;font-family:var(--mono);font-size:1.35rem;font-weight:500;color:var(--slate-dk);border:1px solid var(--line);padding:.7rem 1.2rem;transition:background .25s,color .25s,border-color .25s}
.big-phone i{color:var(--blue)}
.big-phone:hover{background:var(--slate-dk);color:var(--white);border-color:var(--slate-dk)}
.big-phone:hover i{color:var(--blue)}
.mods{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:2.2rem}
.mod{background:var(--white);padding:.9rem 1rem}
.mod-k{display:block;font-family:var(--mono);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gray)}
.mod-v{display:block;font-size:.92rem;font-weight:500;margin-top:.2rem}
.dash-side{position:relative}
.dash-side img{width:100%;height:460px;object-fit:cover}
.corner{position:absolute;width:26px;height:26px;border:2px solid var(--blue)}
.c1{top:-10px;left:-10px;border-right:0;border-bottom:0}
.c2{bottom:-10px;right:-10px;border-left:0;border-top:0}
.ticks{position:absolute;top:14px;right:14px;width:44px;height:44px;background:repeating-linear-gradient(90deg,var(--blue) 0 2px,transparent 2px 8px);opacity:.65}

/* modules */
.modules{padding:4.5rem 0;background:var(--off)}
.h-sec{font-size:1.4rem;font-weight:600;margin-bottom:2rem;padding-bottom:.7rem;border-bottom:1px solid var(--line);position:relative}
.h-sec::after{content:"";position:absolute;left:0;bottom:-1px;width:70px;height:2px;background:var(--blue)}
.mod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
.mod-card{position:relative;background:var(--white);border:1px solid var(--line);padding:1.7rem 1.4rem 2rem;overflow:hidden;transition:transform .25s,border-color .25s,opacity .5s ease,opacity .5s ease;opacity:0;transform:translateY(20px)}
.mod-card.in{opacity:1;transform:none}
.mod-card:hover{transform:translateY(-5px);border-color:var(--blue)}
.mc-no{font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;color:var(--gray)}
.mod-card i{font-size:1.5rem;color:var(--blue);display:block;margin:1rem 0 .9rem}
.mod-card h3{font-size:1.15rem;font-weight:600;margin-bottom:.5rem}
.mod-card p{font-size:.9rem;color:#5b6674}
.mc-bar{position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--blue);transition:width .4s ease}
.mod-card:hover .mc-bar{width:100%}

/* system info */
.sysinfo{padding:4.5rem 0;background:var(--white);border-block:1px solid var(--line)}
.sys-in{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}
.sys-text h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;letter-spacing:-.01em}
.sys-text>p{margin-top:1rem;color:#5b6674}
.readings{list-style:none;margin-top:1.8rem;display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.readings li{background:var(--white);padding:.9rem 1.1rem}
.readings b{display:block;font-size:.95rem}
.readings span{font-size:.87rem;color:#6b7684}
.sys-fig{margin-bottom:1.2rem;border:1px solid var(--line);background:var(--white)}
.sys-fig img{width:100%;height:230px;object-fit:cover}
.sys-fig figcaption{font-family:var(--mono);font-size:.68rem;color:var(--gray);padding:.7rem .9rem;letter-spacing:.04em}
.dia-inner{border:1px solid var(--line);background:var(--off);padding:1.6rem 1.3rem}
.dia-row{display:flex;align-items:center;gap:.6rem}
.dia-lbl{font-family:var(--mono);font-size:.6rem;letter-spacing:.16em;color:var(--gray);writing-mode:vertical-rl;margin-right:.2rem}
.dia-node{flex:1;background:var(--white);border:1px solid var(--line);padding:.9rem .5rem;text-align:center;transition:border-color .25s,transform .25s}
.dia-node:hover{border-color:var(--blue);transform:translateY(-3px)}
.dia-node i{display:block;color:var(--blue);margin-bottom:.45rem}
.dia-node b{font-size:.78rem;font-weight:500;display:block;line-height:1.3}
.dia-duct{margin:.8rem 0 .8rem 1.6rem;height:24px;background:repeating-linear-gradient(90deg,var(--line) 0 6px,transparent 6px 12px);border-top:1px dashed var(--gray);border-bottom:1px dashed var(--gray);display:flex;align-items:center;justify-content:flex-end;padding-right:.4rem}
.dia-duct span{font-family:var(--mono);font-size:.58rem;letter-spacing:.14em;color:var(--gray);background:var(--off);padding:0 .4rem}
.dia-duct.lo{border-top:1px dashed var(--blue);border-bottom:1px dashed var(--blue)}

/* schedule */
.schedule{padding:4.5rem 0}
.timeline{list-style:none;position:relative;padding-left:2.2rem;border-left:1px solid var(--line)}
.timeline>li{position:relative;padding:0 0 2.4rem 1.6rem;opacity:0;transform:translateX(-14px);transition:opacity .5s ease,transform .5s ease}
.timeline>li.in{opacity:1;transform:none}
.timeline>li:last-child{padding-bottom:0}
.t-num{position:absolute;left:-2.2rem;top:0;width:2.2rem;height:2.2rem;display:grid;place-items:center;background:var(--slate-dk);color:var(--white);font-family:var(--mono);font-size:.72rem}
.timeline h3{font-size:1.1rem;font-weight:600;margin-bottom:.3rem}
.timeline p{color:#5b6674;font-size:.94rem;max-width:62ch}

/* dark cta */
.dark-cta{background:var(--slate-dk);color:var(--white);padding:4rem 0}
.dark-in{display:flex;justify-content:space-between;align-items:center;gap:2.5rem;flex-wrap:wrap}
.dark-in h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:600}
.dark-in p{margin-top:.7rem;color:#9aa5b1;max-width:52ch}
.cta-phone{font-family:var(--mono);font-size:clamp(1.4rem,2.6vw,2rem);border:1px solid var(--blue);color:var(--blue);padding:.7rem 1.4rem;transition:background .25s,color .25s}
.cta-phone:hover{background:var(--blue);color:var(--white)}

/* data strip */
.data{background:var(--white);border-top:1px solid var(--line);padding:2.6rem 0}
.data-in{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.dc{background:var(--white);padding:1.4rem 1.3rem}
.dc h4{font-family:var(--mono);font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--blue);margin-bottom:.6rem}
.dc p{font-size:.94rem;color:#5b6674;line-height:1.7}
.dc a{border-bottom:1px solid var(--blue);color:var(--slate-dk);transition:color .2s}
.dc a:hover{color:var(--blue)}

/* footer */
.ftr{background:#171d24;color:#7d8894;font-size:.84rem;padding:2rem 0}
.ftr-in{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}

/* reveal */
[data-card]{opacity:0;transform:translateY(20px)}
[data-step]{opacity:0;transform:translateX(-14px)}
.in{opacity:1!important;transform:none!important}

@media(max-width:1024px){
  .dash-in{grid-template-columns:1fr;padding:3.5rem 0}
  .dash-side img{height:360px}
  .mod-grid{grid-template-columns:repeat(2,1fr)}
  .sys-in{grid-template-columns:1fr;gap:2.5rem}
}
@media(max-width:760px){
  .wrap,.dash-in{width:min(1220px,100% - 2rem)}
  .burger{display:flex}
  .nav-cta{display:none}
  .sb-in{justify-content:center;font-size:.72rem}
  .sb-in a{margin-left:0}
  .nav{position:absolute;top:100%;left:0;right:0;background:var(--slate);flex-direction:column;gap:0;max-height:0;overflow:hidden;transition:max-height .3s ease}
  .nav.open{max-height:280px}
  .nav a{padding:.85rem 1.5rem;border-bottom:1px solid rgba(255,255,255,.08);font-size:.98rem}
  .mod-grid{grid-template-columns:1fr}
  .mods{grid-template-columns:1fr}
  .data-in{grid-template-columns:1fr}
  .dark-in{flex-direction:column;align-items:flex-start}
  .dia-node b{font-size:.7rem}
}