@font-face{font-family:"Plex Sans";src:url("../fonts/plex-sans-400.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Sans";src:url("../fonts/plex-sans-600.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("../fonts/plex-mono-400.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("../fonts/plex-mono-500.woff2") format("woff2");font-weight:500;font-display:swap}

:root{
  --ink:#0E1B2A; --ink-2:#3D5570; --ink-3:#6B819A;
  --paper:#F4F6F9; --surface:#FFFFFF; --rule:#CBD6E4; --rule-soft:#E2E9F1;
  --blue:#2C6FBB; --blue-deep:#1B4A80; --blue-light:#8FB8E4;
  --orange:#F2802B; --orange-deep:#C25E12;
  --screen:#0E1B2A; --screen-2:#152740;
  --sans:"Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --mono:"Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --measure:66ch; --gut:clamp(20px,5vw,64px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--blue-deep);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--orange-deep)}
:focus-visible{outline:2.5px solid var(--orange);outline-offset:3px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:200;background:var(--surface);padding:10px 16px;border:1.5px solid var(--ink)}

h1,h2,h3{font-weight:600;line-height:1.12;letter-spacing:-.018em;margin:0}
h1{font-size:clamp(2.4rem,6.2vw,4.6rem);letter-spacing:-.03em}
h2{font-size:clamp(1.75rem,3.6vw,2.75rem)}
h3{font-size:1.14rem;letter-spacing:-.006em;line-height:1.35}
p{margin:0 0 1.05em;max-width:var(--measure)}
.lede{font-size:clamp(1.06rem,1.9vw,1.3rem);color:var(--ink-2);line-height:1.6}
.wrap{max-width:1240px;margin:0 auto;padding-inline:var(--gut)}
section[id],main [id]{scroll-margin-top:88px}
.mono{font-family:var(--mono);font-size:.775rem;letter-spacing:.02em;font-variant-numeric:tabular-nums}

/* ---- tuning header ---- */
.bar{position:fixed;inset:0 0 auto;z-index:90;background:rgba(244,246,249,.93);
  backdrop-filter:saturate(150%) blur(9px);border-bottom:1px solid var(--rule)}
.bar__in{display:flex;align-items:center;gap:22px;max-width:1240px;margin:0 auto;
  padding:11px var(--gut) 12px}
.bar__logo img{height:38px;width:auto}
.bar__spacer{flex:1}
.tune{display:flex;align-items:baseline;gap:9px;font-family:var(--mono);
  font-size:.8rem;color:var(--ink-2);font-variant-numeric:tabular-nums}
.tune__hz{color:var(--ink);font-weight:500;min-width:8.6ch;text-align:right}
.tune__band{color:var(--orange-deep);min-width:5ch}
.nav{display:flex;gap:24px}
.nav a{font-size:.93rem;color:var(--ink-2);text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="true"]{color:var(--ink);border-bottom-color:var(--orange)}
.cursor{height:2px;background:var(--rule-soft);position:relative}
.cursor__i{position:absolute;inset:0 auto 0 0;width:0;background:var(--orange)}
.burger{display:none;background:none;border:1.5px solid var(--rule);border-radius:3px;
  padding:7px 9px;cursor:pointer;color:var(--ink)}
.burger span{display:block;width:19px;height:1.8px;background:currentColor;margin:4px 0}

/* ---- hero: the instrument screen ---- */
.hero{padding:132px 0 0}
.hero__grid{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(28px,4vw,62px);align-items:center}
.hero h1{margin-bottom:.42em}
.hero .lede{max-width:44ch}
.screen{position:relative;background:var(--screen);border:1px solid var(--screen-2);
  border-radius:5px;overflow:hidden;box-shadow:0 1px 0 #fff inset}
.screen canvas{display:block;width:100%;height:auto;aspect-ratio:4/3.05}
.screen__hud{position:absolute;inset:auto 0 0 0;display:flex;justify-content:space-between;
  gap:12px;padding:9px 12px;font-family:var(--mono);font-size:.7rem;color:#8FB8E4;
  background:linear-gradient(to top,rgba(14,27,42,.94),rgba(14,27,42,0))}
.screen__hud b{color:var(--orange);font-weight:500}
.screen__cap{margin-top:10px;color:var(--ink-3);font-size:.83rem;max-width:46ch}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{display:inline-block;font:inherit;font-size:.97rem;padding:13px 25px;border-radius:3px;
  text-decoration:none;border:1.5px solid var(--ink);cursor:pointer;transition:background .15s,color .15s}
.btn--solid{background:var(--ink);color:#fff}
.btn--solid:hover{background:var(--blue-deep);border-color:var(--blue-deep);color:#fff}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}

/* ---- band-plan section rule ---- */
.band{border-top:1px solid var(--rule);margin-top:clamp(64px,9vw,120px);padding-top:14px}
.band__key{display:flex;align-items:baseline;gap:14px;font-family:var(--mono);font-size:.75rem;
  color:var(--ink-3);margin-bottom:clamp(26px,4vw,46px)}
.band__key i{font-style:normal;color:var(--blue-deep)}
.band__ticks{display:flex;gap:3px;flex:1;align-items:flex-end;height:15px;opacity:.75}
.band__ticks span{flex:1;background:var(--rule);border-radius:1px}
.sec{padding-bottom:clamp(10px,2vw,24px)}
.sec__head{max-width:60ch;margin-bottom:clamp(30px,4vw,52px)}
.sec__head p{margin-top:.7em;color:var(--ink-2)}

/* ---- allocation blocks (services) ---- */
.alloc{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));
  border-top:2px solid var(--ink);border-left:1px solid var(--rule)}
.alloc__c{border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);
  padding:22px 22px 26px;background:var(--surface);position:relative}
.alloc__c::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--blue)}
.alloc__c:nth-child(3n-1)::before{background:var(--orange)}
.alloc__c .mono{color:var(--ink-3);display:block;margin-bottom:12px}
.alloc__c h3{margin-bottom:9px}
.alloc__c p{font-size:.95rem;color:var(--ink-2);margin:0}

/* ---- engagement: a real sequence ---- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(212px,1fr));gap:0}
.step{padding:20px 20px 26px;border-left:2px solid var(--rule)}
.step:first-child{border-left-color:var(--orange)}
.step .mono{color:var(--blue-deep);display:block;margin-bottom:10px}
.step h3{margin-bottom:8px}
.step p{font-size:.94rem;color:var(--ink-2);margin:0}

/* ---- repos ---- */
.repos{display:grid;grid-template-columns:repeat(auto-fit,minmax(292px,1fr));gap:1px;
  background:var(--rule);border:1px solid var(--rule)}
.repo{background:var(--surface);padding:24px}
.repo h3{font-family:var(--mono);font-size:1rem;font-weight:500;margin-bottom:8px}
.repo h3 a{color:var(--ink);text-decoration:none;border-bottom:1.5px solid var(--orange)}
.repo p{font-size:.94rem;color:var(--ink-2);margin-bottom:14px}
.repo .meta{font-family:var(--mono);font-size:.73rem;color:var(--ink-3);
  display:flex;gap:16px;flex-wrap:wrap}

/* ---- sectors ---- */
.sectors{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:clamp(22px,3vw,40px)}
.sector{border-top:2px solid var(--blue)}
.sector:nth-child(even){border-top-color:var(--orange)}
.sector h3{margin:16px 0 8px}
.sector p{font-size:.94rem;color:var(--ink-2);margin:0}

/* ---- infinite signal log ---- */
.log{border:1px solid var(--rule);background:var(--surface)}
.log__head,.log__row{display:grid;grid-template-columns:7.4rem 5.6rem 5.4rem 1fr 6.6rem;
  gap:14px;padding:11px 18px;font-family:var(--mono);font-size:.775rem;align-items:center}
.log__head{background:var(--ink);color:#A9C0DA;letter-spacing:.03em}
.log__row{border-top:1px solid var(--rule-soft);color:var(--ink-2)}
.log__row b{color:var(--ink);font-weight:500}
.log__scroll{max-height:432px;overflow-y:auto;scrollbar-width:thin}
.tag{display:inline-block;padding:1px 8px;border-radius:2px;font-size:.72rem;
  background:#E7F0FA;color:var(--blue-deep)}
.tag--hit{background:#FDECDD;color:var(--orange-deep)}
.log__more{padding:15px 18px;font-family:var(--mono);font-size:.75rem;color:var(--ink-3);
  border-top:1px solid var(--rule-soft)}
.log__note{margin-top:12px;font-size:.85rem;color:var(--ink-3)}

/* ---- contact ---- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,66px);align-items:start}
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--mono);font-size:.75rem;color:var(--ink-2);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:.97rem;padding:11px 13px;
  border:1.5px solid var(--rule);border-radius:3px;background:var(--surface);color:var(--ink)}
.field textarea{min-height:132px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue)}
.hp{position:absolute;left:-9999px}
.formnote{font-size:.85rem;color:var(--ink-3)}
.status{margin-top:12px;font-size:.92rem;padding:11px 14px;border-radius:3px;display:none}
.status.ok{display:block;background:#E7F3EA;color:#1B5E32;border:1px solid #B7DCC2}
.status.err{display:block;background:#FBEAEA;color:#8C2020;border:1px solid #ECC2C2}
.facts{border-top:1px solid var(--rule)}
.facts div{display:flex;justify-content:space-between;gap:20px;padding:13px 0;
  border-bottom:1px solid var(--rule-soft);font-size:.94rem}
.facts dt{color:var(--ink-3);font-family:var(--mono);font-size:.78rem;margin:0}
.facts dd{margin:0;text-align:right}

/* ---- footer ---- */
.foot{background:var(--screen);color:#9FB2C6;margin-top:clamp(70px,9vw,124px);padding:56px 0 34px}
.foot a{color:#CFDDEC}
.foot a:hover{color:var(--orange)}
.foot__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;align-items:start}
.foot img{height:56px;width:auto}
.foot h4{font-family:var(--mono);font-size:.76rem;font-weight:400;color:#7189A5;margin:0 0 12px}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin-bottom:8px;font-size:.93rem}
.foot__base{margin-top:38px;padding-top:20px;border-top:1px solid #23374F;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:.83rem;color:#6E86A2}

/* ---- reveal (one gesture, respects reduced motion) ---- */
.rv{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.rv.in{opacity:1;transform:none}

@media (max-width:940px){
  .hero__grid,.contact{grid-template-columns:1fr}
  .hero{padding-top:112px}
  .foot__grid{grid-template-columns:1fr 1fr}
  .tune{display:none}
  .nav{position:fixed;inset:63px 0 auto;flex-direction:column;gap:0;background:var(--surface);
    border-bottom:1px solid var(--rule);padding:6px var(--gut) 16px;display:none}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--rule-soft)}
  .burger{display:block}
  .log__head,.log__row{grid-template-columns:6.6rem 4.8rem 1fr;font-size:.73rem}
  .log__row span:nth-child(4),.log__head span:nth-child(4),
  .log__row span:nth-child(5),.log__head span:nth-child(5){display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}