:root{
  --slate:#0B1320; --navy:#111C2D; --ice:#F8FAFC;
  --cyan:#00A8E8; --cyan-hi:#00F0FF; --steel:#334155;
  --amber:#F59E0B; --red:#EF4444; --green:#22C55E;
  --text:#E2E8F0; --muted:#94A3B8; --dark-text:#0B1320;
  --head:"Montserrat",system-ui,sans-serif;
  --body:"Inter",system-ui,sans-serif;
  --wrap:1180px; --nav-h:72px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h)}
body{font-family:var(--body);font-weight:400;color:var(--text);
  background:var(--slate);line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

h1,h2,h3,h4{font-family:var(--head);line-height:1.15;color:#fff}
h1{font-weight:800;font-size:clamp(2.4rem,5.5vw,4.2rem);letter-spacing:-.01em}
h2{font-weight:800;font-size:clamp(1.7rem,3.4vw,2.5rem);margin-bottom:1.25rem;max-width:22ch}
h3{font-weight:600;font-size:1.1rem}
h4{font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--cyan);margin-bottom:.4rem}
.eyebrow,.label{font-family:var(--head);font-weight:600;font-size:.75rem;
  text-transform:uppercase;letter-spacing:.18em;color:var(--cyan);margin-bottom:1rem}
.section__note{color:var(--muted);max-width:68ch;margin-bottom:2.5rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--head);font-weight:600;font-size:.9rem;padding:.9rem 1.5rem;
  border:2px solid transparent;border-radius:4px;transition:.2s;cursor:pointer;text-align:center}
.btn--primary{background:var(--cyan);color:var(--dark-text);border-color:var(--cyan)}
.btn--primary:hover{background:var(--cyan-hi);border-color:var(--cyan-hi);box-shadow:0 0 24px rgba(0,240,255,.35)}
.btn--ghost{border-color:var(--steel);color:#fff}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn--sm{padding:.6rem 1.1rem;font-size:.8rem}
.btn--block{width:100%}

/* Nav */
.nav{position:fixed;inset:0 0 auto 0;height:var(--nav-h);z-index:100;
  background:rgba(11,19,32,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(51,65,85,.6);transition:box-shadow .2s}
.nav.is-scrolled{box-shadow:0 8px 30px rgba(0,0,0,.4)}
.nav__inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:2rem}
.logo{display:block;width:auto}
.brand{display:flex;align-items:center;gap:1rem}
.brand .logo--nav{height:48px}
.brand__tag{font-family:var(--head);font-weight:600;font-size:.6rem;
  letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);
  padding-left:1rem;border-left:1px solid var(--steel);line-height:1.2}
.nav__links{display:flex;align-items:center;gap:1.5rem;font-size:.85rem;font-weight:500}
.nav__links a:not(.btn){color:#CBD5E1;transition:color .2s}
.nav__links a:not(.btn):hover{color:var(--cyan)}
.nav__toggle{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer}
.nav__toggle span{display:block;width:22px;height:2px;background:#fff;margin:5px auto}

/* Hero */
.hero{padding:calc(var(--nav-h) + 80px) 0 0;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(51,65,85,.25) 1px,transparent 1px),
    linear-gradient(90deg,rgba(51,65,85,.25) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse at 70% 30%,#000 20%,transparent 70%);
  -webkit-mask-image:radial-gradient(ellipse at 70% 30%,#000 20%,transparent 70%)}
.hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:4rem;align-items:center;position:relative}
.hero__sub{font-size:1.05rem;color:var(--muted);margin:1.5rem 0 2rem;max-width:56ch}
.hero__sub strong{display:block;color:#fff;font-weight:500;margin-bottom:.5rem}
.hero__cta{display:flex;flex-wrap:wrap;gap:1rem}
.trust{display:flex;flex-wrap:wrap;gap:1rem 2.5rem;margin-top:4rem;padding:1.5rem 24px;
  border-top:1px solid var(--steel);border-bottom:1px solid var(--steel);font-size:.85rem;font-weight:500}
.trust li::before{content:"✓";color:var(--cyan);margin-right:.5rem;font-weight:700}

/* Device + report mockups */
.hero__visual{position:relative;min-height:520px}
.device{width:270px;background:#0F172A;border:6px solid #1E293B;border-radius:28px;
  box-shadow:0 30px 60px rgba(0,0,0,.6),0 0 0 1px var(--steel);overflow:hidden;
  position:absolute;left:0;top:0;transform:rotate(-4deg)}
.device--static{position:static;transform:none;margin:0 auto}
.device__bar{display:flex;justify-content:space-between;padding:.6rem .9rem;
  font-size:.6rem;letter-spacing:.12em;color:var(--cyan);background:#0B1320;border-bottom:1px solid var(--steel)}
.device__screen{padding:.9rem}
.asset{display:flex;gap:.7rem;align-items:center;margin-bottom:.9rem}
.asset__qr{width:38px;height:38px;flex:none;border:2px solid var(--cyan);
  background:repeating-linear-gradient(90deg,#fff 0 3px,#0B1320 3px 6px),
    repeating-linear-gradient(0deg,#fff 0 3px,#0B1320 3px 6px);background-blend-mode:difference}
.asset__id{display:block;font-size:.6rem;color:var(--cyan);letter-spacing:.1em}
.asset__name{display:block;font-size:.75rem;font-weight:500;color:#fff}
.readings li{display:grid;grid-template-columns:1fr auto;gap:.1rem .5rem;
  padding:.5rem .6rem;border-radius:4px;background:#111C2D;margin-bottom:.4rem;font-size:.7rem}
.readings span{color:var(--muted)}
.readings strong{font-family:var(--head);color:#fff;font-size:.95rem;text-align:right}
.readings small{font-size:.6rem;color:var(--muted)}
.readings em{grid-column:1/-1;font-style:normal;font-size:.6rem}
.readings .ok{color:var(--green)}
.readings .warn{color:var(--amber)}
.readings .alarm{border-left:3px solid var(--amber);background:rgba(245,158,11,.08)}
.device__photo{margin-top:.6rem;padding:.6rem;border:1px dashed var(--steel);
  text-align:center;font-size:.65rem;color:var(--muted)}
.report{position:absolute;right:0;bottom:0;width:280px;background:#fff;color:var(--dark-text);
  border-radius:6px;padding:1rem;box-shadow:0 30px 60px rgba(0,0,0,.5)}
.report__head{display:flex;justify-content:space-between;font-size:.65rem;
  font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:#475569;
  border-bottom:2px solid var(--cyan);padding-bottom:.5rem;margin-bottom:.8rem}
.report__stat strong{font-family:var(--head);font-weight:800;font-size:2rem;display:block;line-height:1}
.report__stat span{font-size:.7rem;color:#64748B}
.report__bars{display:flex;gap:4px;align-items:flex-end;height:48px;margin:.9rem 0}
.report__bars i{flex:1;height:var(--v);background:var(--cyan);border-radius:2px 2px 0 0}
.report__row{display:flex;justify-content:space-between;font-size:.7rem;border-top:1px solid #E2E8F0;padding-top:.6rem}
.amber{color:var(--amber)}

/* Sections */
.section{padding:6rem 0}
.section--navy{background:var(--navy)}
.section--light{background:var(--ice);color:#334155}
.section--light h2,.section--light h3{color:var(--dark-text)}

/* Compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:2.5rem}
.compare__col{background:var(--navy);border:1px solid var(--steel);border-radius:6px;padding:2rem;border-top-width:4px}
.compare__col--bad{border-top-color:var(--amber)}
.compare__col--good{border-top-color:var(--cyan)}
.compare__col h3{margin-bottom:1.25rem}
.compare__col li{padding-left:1.6rem;position:relative;margin-bottom:1rem;color:var(--muted);font-size:.95rem}
.compare__col li strong{display:block;color:#fff;font-weight:500}
.compare__col li::before{position:absolute;left:0;top:.1rem;font-weight:700}
.compare__col--bad li::before{content:"✕";color:var(--amber)}
.compare__col--good li::before{content:"✓";color:var(--cyan)}

/* Capability cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2.5rem}
.card{background:var(--slate);border:1px solid var(--steel);border-radius:6px;padding:1.75rem;transition:.2s}
.card:hover{border-color:var(--cyan);transform:translateY(-3px)}
.card__icon{width:44px;height:44px;display:grid;place-items:center;color:var(--cyan);
  border:1px solid var(--steel);border-radius:4px;margin-bottom:1.25rem}
.card h3{margin-bottom:.6rem}
.card p{color:var(--muted);font-size:.95rem}

/* Tabs */
.tabs{margin-top:2.5rem}
.tabs__list{display:flex;flex-wrap:wrap;border-bottom:1px solid var(--steel)}
.tabs__list button{font-family:var(--head);font-weight:600;font-size:.8rem;letter-spacing:.04em;
  color:var(--muted);background:none;border:0;border-bottom:3px solid transparent;
  padding:1rem 1.25rem;margin-bottom:-1px;cursor:pointer;transition:.2s}
.tabs__list button[aria-selected="true"]{color:#fff;border-bottom-color:var(--cyan)}
.tabs__panel{display:none;padding-top:2rem}
.tabs__panel.is-active{display:block}
.spec{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.spec>div{background:var(--navy);border:1px solid var(--steel);border-radius:6px;padding:1.5rem}
.spec p{color:var(--text);font-size:.95rem}

/* Hardware */
.hw{display:grid;grid-template-columns:1.1fr .9fr;gap:4rem;align-items:center}
.hw ul li{padding-left:1.6rem;position:relative;margin-bottom:1rem;color:var(--muted);font-size:.95rem}
.hw ul li strong{display:block;color:#fff;font-weight:500}
.hw ul li::before{content:"";position:absolute;left:0;top:.5rem;width:10px;height:10px;background:var(--cyan);border-radius:2px}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:.6rem}
.tiles div{aspect-ratio:1;display:grid;place-items:center;text-align:center;font-size:.7rem;
  font-weight:500;background:#111C2D;border:1px solid var(--steel);border-radius:6px;color:#fff}
.tiles div:first-child{border-color:var(--cyan);color:var(--cyan)}
.hw__badges{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin-top:1.5rem}
.hw__badges li{font-family:var(--head);font-weight:600;font-size:.65rem;letter-spacing:.12em;
  padding:.4rem .7rem;border:1px solid var(--steel);border-radius:3px;color:var(--cyan)}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:2.5rem;position:relative}
.steps::before{content:"";position:absolute;top:24px;left:8%;right:8%;height:2px;background:#CBD5E1}
.step{position:relative}
.step__num{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;
  background:var(--slate);color:var(--cyan);font-family:var(--head);font-weight:800;
  border:3px solid var(--cyan);margin-bottom:1rem;position:relative}
.step__days{font-family:var(--head);font-weight:600;font-size:.75rem;letter-spacing:.15em;text-transform:uppercase;color:var(--cyan);margin-bottom:.4rem}
.step h3{margin-bottom:.5rem}
.step p{color:#475569;font-size:.95rem}

/* Pricing */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;align-items:start}
.tier{position:relative;background:var(--navy);border:1px solid var(--steel);border-radius:6px;padding:2rem;display:flex;flex-direction:column}
.tier--featured{border-color:var(--cyan);box-shadow:0 0 40px rgba(0,168,232,.18)}
.tier__badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--cyan);color:var(--dark-text);font-family:var(--head);font-weight:600;
  font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;padding:.3rem .8rem;border-radius:3px}
.tier h3{color:var(--cyan);font-size:.8rem;letter-spacing:.15em;text-transform:uppercase}
.tier__name{font-family:var(--head);font-weight:600;font-size:1.2rem;color:#fff;margin:.3rem 0 .4rem}
.tier__for{color:var(--muted);font-size:.85rem;min-height:3em}
.tier__price{margin:1.25rem 0 .25rem}
.tier__price strong{font-family:var(--head);font-weight:800;font-size:2.4rem;color:#fff}
.tier__price span{color:var(--muted)}
.tier__setup{font-size:.8rem;color:var(--muted);padding-bottom:1.25rem;border-bottom:1px solid var(--steel)}
.tier__list{margin:1.25rem 0 1.75rem;flex:1}
.tier__list li{font-size:.9rem;padding-left:1.4rem;position:relative;margin-bottom:.6rem}
.tier__list li::before{content:"✓";position:absolute;left:0;color:var(--cyan)}
.bolt-ons{margin-top:2.5rem;display:grid;gap:1rem}
.bolt{background:var(--navy);border:1px solid var(--steel);border-radius:6px}
.bolt summary{font-family:var(--head);font-weight:600;padding:1.1rem 1.5rem;cursor:pointer;color:#fff;list-style:none;display:flex;justify-content:space-between}
.bolt summary::-webkit-details-marker{display:none}
.bolt summary::after{content:"+";color:var(--cyan)}
.bolt[open] summary::after{content:"–"}
.bolt table{width:100%;border-collapse:collapse;font-size:.88rem}
.bolt th,.bolt td{text-align:left;padding:.8rem 1.5rem;border-top:1px solid var(--steel);vertical-align:top}
.bolt th{font-family:var(--head);font-weight:600;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}
.bolt td:first-child{font-weight:500;color:#fff}

/* Pilot */
.pilot{text-align:center;max-width:820px;margin:0 auto;padding:3.5rem 2.5rem;
  background:var(--slate);border:1px solid var(--cyan);border-radius:8px;position:relative;
  box-shadow:inset 0 0 0 1px rgba(245,158,11,.25),0 0 60px rgba(0,168,232,.12)}
.pilot h2{margin:1rem auto 1.25rem;max-width:none}
.pilot p{color:var(--muted);margin-bottom:1rem}
.pilot__badge{display:inline-block;background:var(--amber);color:var(--dark-text);font-family:var(--head);
  font-weight:600;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;padding:.35rem .9rem;border-radius:3px}
.pilot__note{color:#fff;font-weight:500;margin-bottom:2rem}

/* SLA */
.sla{display:grid;grid-template-columns:1fr 1fr;gap:3rem}
.sla p{color:var(--muted);font-size:.95rem}
.sla__list li{padding:.9rem 0;border-top:1px solid var(--steel);font-size:.9rem;color:var(--muted)}
.sla__list li strong{display:block;color:#fff;font-weight:500}

/* Form */
.form-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:4rem;align-items:start}
.form-intro p:last-child{color:var(--muted)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;background:var(--slate);
  border:1px solid var(--steel);border-radius:8px;padding:2rem}
.field{display:flex;flex-direction:column;gap:.4rem}
.field--full{grid-column:1/-1}
.field label,.field legend{font-size:.8rem;font-weight:500;color:#CBD5E1}
.field input,.field select{font:inherit;color:#fff;background:var(--navy);
  border:1px solid var(--steel);border-radius:4px;padding:.75rem .9rem;width:100%}
.field input:focus,.field select:focus{outline:0;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,168,232,.2)}
fieldset{border:0}
fieldset legend{margin-bottom:.6rem}
.radio,.check{display:flex;align-items:center;gap:.6rem;font-size:.9rem;padding:.35rem 0;cursor:pointer}
.radio input,.check input{width:auto;accent-color:var(--cyan)}
.hp{display:none}
.form__msg{margin-top:.75rem;font-size:.9rem;min-height:1.4em}
.form__msg.ok{color:var(--green)} .form__msg.err{color:var(--amber)}
.form__fine{font-size:.75rem;color:var(--muted);margin-top:.5rem}

/* Footer */
.footer{background:var(--slate);border-top:1px solid var(--steel);padding:3.5rem 0}
.footer__grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:2.5rem;font-size:.85rem;color:var(--muted)}
.footer .logo--full{height:96px;margin-bottom:1rem}
.footer__contacts li{margin-bottom:.6rem}
.footer__contacts span{display:block;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase}
.footer__contacts a,.footer__links a{color:#CBD5E1}
.footer__contacts a:hover,.footer__links a:hover{color:var(--cyan)}
.footer__links li{margin-bottom:.5rem}

/* Legal pages */
.nav__links--static{display:flex}
.legal{max-width:780px;margin:0 auto;padding:calc(var(--nav-h) + 48px) 24px 96px}
.legal h1{font-size:clamp(1.9rem,4vw,2.6rem);margin-bottom:.5rem}
.legal .meta{color:var(--muted);font-size:.85rem;margin-bottom:2.5rem}
.legal h2{font-size:1.25rem;margin:2.5rem 0 .75rem;max-width:none}
.legal h3{font-size:1rem;margin:1.5rem 0 .5rem}
.legal p,.legal li{color:var(--text);font-size:.95rem;margin-bottom:.8rem}
.legal ul,.legal ol{padding-left:1.4rem;margin-bottom:1rem}
.legal ul{list-style:disc} .legal ol{list-style:decimal}
.legal table{width:100%;border-collapse:collapse;font-size:.88rem;margin:1rem 0 1.5rem}
.legal th,.legal td{text-align:left;padding:.7rem .9rem;border:1px solid var(--steel);vertical-align:top}
.legal th{font-family:var(--head);font-weight:600;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);background:var(--navy)}
.legal a{color:var(--cyan);text-decoration:underline}
.legal code{font-size:.85em;background:var(--navy);padding:.1em .4em;border-radius:3px}
.legal .toc{background:var(--navy);border:1px solid var(--steel);border-radius:6px;padding:1.25rem 1.5rem;margin-bottom:2rem}
.legal .toc ol{margin:0;columns:2;column-gap:2rem}
.legal .toc li{margin-bottom:.3rem;font-size:.9rem}

/* Responsive */
@media (max-width:1100px){.brand__tag{display:none}}
@media (max-width:1000px){
  .hero__grid,.hw,.form-wrap,.sla{grid-template-columns:1fr;gap:3rem}
  .grid-3,.tiers,.spec,.steps,.footer__grid{grid-template-columns:1fr 1fr}
  .steps::before{display:none}
  .hero__visual{min-height:560px;max-width:520px;margin:0 auto;width:100%}
}
@media (max-width:760px){
  .nav__toggle{display:block}
  .nav__links{display:none;position:absolute;top:var(--nav-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;background:var(--slate);
    border-bottom:1px solid var(--steel);padding:1rem 24px}
  .nav__links.is-open{display:flex}
  .nav__links--static{display:flex;position:static;flex-direction:row;align-items:center;gap:1rem;background:none;border:0;padding:0}
  .nav__links a:not(.btn){padding:.9rem 0;border-bottom:1px solid var(--steel)}
  .nav__links--static a:not(.btn){padding:0;border:0}
  .nav__links .btn{margin-top:1rem}
  .nav__links--static .btn{margin-top:0}
  .brand .logo--nav{height:40px}
  .footer .logo--full{height:72px}
  .section{padding:4rem 0}
  .compare,.grid-3,.tiers,.spec,.steps,.form,.footer__grid{grid-template-columns:1fr}
  .tier--featured{order:-1}
  .hero__visual{min-height:0;display:grid;gap:1.5rem}
  .device,.report{position:static;transform:none;width:100%;max-width:300px;margin:0 auto}
  .bolt table{display:block;overflow-x:auto}
  .pilot{padding:2.5rem 1.5rem}
  .legal .toc ol{columns:1}
}