:root{
  --navy-0:#040f24; --navy-1:#061A3A; --navy-2:#0B2E63; --card:#0d2347; --card-2:#102a55;
  --line:#1E4C95; --red:#FF0000; --white:#eaf1ff; --muted:#9FB3D1; --muted-2:#6f86ad;
  --mono:'Consolas','SF Mono',ui-monospace,monospace;
  --sans:'Segoe UI',system-ui,-apple-system,Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--navy-1);color:var(--white);line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.r{color:var(--red)}

/* NAV */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:14px 6vw;background:rgba(6,26,58,.82);backdrop-filter:blur(12px);border-bottom:1px solid rgba(30,76,149,.4)}
.brand{font-size:20px;font-weight:900;letter-spacing:.3px}
.brand span{color:var(--red)}
.links{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--muted)}
.links a:hover{color:var(--white)}
.lang{background:var(--card);color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:6px 8px;font-size:13px;font-family:var(--sans);cursor:pointer}
.lang:hover{color:#fff}
.btn-sm{background:var(--red);color:#fff!important;padding:8px 16px;border-radius:9px;font-weight:600}
.btn-sm:hover{background:#cc0000}

/* HERO */
.hero{position:relative;padding:110px 6vw 90px;overflow:hidden;
  background:radial-gradient(900px 500px at 70% -10%,rgba(255,0,0,.10),transparent 60%),
             linear-gradient(180deg,var(--navy-2),var(--navy-1) 55%,var(--navy-0))}
.grid-bg{position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(30,76,149,.18) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(30,76,149,.18) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(circle at 50% 30%,#000 30%,transparent 80%)}
.hero-inner{position:relative;max-width:920px}
.eyebrow{font-family:var(--mono);color:var(--red);font-size:12.5px;letter-spacing:.28em;margin-bottom:20px}
.hero h1{font-size:clamp(34px,6vw,62px);font-weight:900;line-height:1.05;letter-spacing:-1px}
.sub{margin-top:20px;max-width:640px;color:var(--muted);font-size:clamp(15px,2vw,18px)}
.cta{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.btn{background:var(--red);color:#fff;padding:13px 24px;border-radius:12px;font-weight:700;font-size:15px;
  box-shadow:0 8px 30px rgba(255,0,0,.25);transition:.18s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 38px rgba(255,0,0,.38)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--white);box-shadow:none}
.btn.ghost:hover{border-color:var(--red)}
.stats{margin-top:54px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:760px}
.stats div{border-left:2px solid var(--red);padding-left:14px}
.stats b{display:block;font-size:clamp(20px,3vw,28px);font-weight:900;color:#fff}
.stats span{font-size:12.5px;color:var(--muted)}

/* SECTIONS */
.section{padding:90px 6vw;max-width:1240px;margin:0 auto}
.section.alt{background:linear-gradient(180deg,var(--navy-0),var(--navy-1));max-width:none;
  border-top:1px solid rgba(30,76,149,.3);border-bottom:1px solid rgba(30,76,149,.3)}
.section.alt > *{max-width:1240px;margin-left:auto;margin-right:auto}
.head{max-width:720px;margin-bottom:44px}
.kicker{font-family:var(--mono);color:var(--red);font-size:12.5px;letter-spacing:.26em;margin-bottom:12px}
.head h2{font-size:clamp(26px,4vw,40px);font-weight:900;letter-spacing:-.5px}
.head p{margin-top:14px;color:var(--muted);font-size:16px}

/* SERVICE CARDS */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:linear-gradient(160deg,var(--card-2),var(--card));border:1px solid rgba(30,76,149,.5);
  border-radius:18px;padding:26px;transition:.2s;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--red),transparent);opacity:.0;transition:.2s}
.card:hover{transform:translateY(-4px);border-color:rgba(255,0,0,.45)}
.card:hover::before{opacity:1}
.card .ico{font-size:30px;margin-bottom:14px}
.card h3{font-size:19px;font-weight:800}
.card h3 em{color:var(--muted);font-style:normal;font-size:13px}
.card p{margin-top:10px;color:var(--muted);font-size:14px}
.card .tech{margin-top:16px;display:flex;flex-wrap:wrap;gap:7px}
.card .tech span{font-family:var(--mono);font-size:11px;color:#bcd0f5;background:rgba(30,76,149,.35);
  border:1px solid rgba(30,76,149,.6);padding:3px 8px;border-radius:6px}
.card .note{margin-top:14px;color:#c9d6ef;font-size:13px;border-top:1px solid rgba(30,76,149,.4);padding-top:12px}
.card.soon{opacity:.78}
.card.feature{border-color:rgba(255,0,0,.55);background:linear-gradient(160deg,rgba(255,0,0,.10),var(--card))}
.card.feature::before{opacity:1}
.badge{display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:#fff;
  background:var(--red);padding:3px 9px;border-radius:6px;margin-bottom:12px}

/* ARCHITECTURE */
.arch{margin-bottom:50px}
.flow{display:flex;align-items:stretch;gap:14px;flex-wrap:wrap}
.node{flex:1;min-width:200px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;text-align:center}
.node b{display:block;font-size:16px}
.node span{display:block;margin-top:6px;color:var(--muted);font-size:12.5px}
.node.soc{border-color:rgba(255,0,0,.45)}
.node.edge b,.node.device b{color:#fff}
.node.soc b{color:var(--red)}
.arrow{display:flex;align-items:center;color:var(--red);font-size:26px;font-weight:900}
.kanon{margin-top:18px;background:rgba(255,0,0,.06);border:1px solid rgba(255,0,0,.25);border-radius:14px;
  padding:18px 20px;color:#d7e2f7;font-size:14px}
.kanon .tag{font-family:var(--mono);color:var(--red);font-size:11px;letter-spacing:.2em;margin-right:10px;
  border:1px solid rgba(255,0,0,.4);padding:2px 8px;border-radius:6px}
.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.principles .p{background:var(--card);border:1px solid rgba(30,76,149,.5);border-radius:14px;padding:18px}
.principles .p b{display:block;font-size:15px}
.principles .p span{display:block;margin-top:8px;color:var(--muted);font-size:13px}

/* DOWNLOAD */
.dl{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.plat{background:linear-gradient(160deg,var(--card-2),var(--card));border:1px solid rgba(30,76,149,.5);
  border-radius:18px;padding:28px;text-align:center}
.plat .pico{font-size:40px}
.plat h3{margin-top:10px;font-size:20px;font-weight:800}
.plat p{margin:12px 0 18px;color:var(--muted);font-size:14px;min-height:42px}
.plat .btn{display:inline-block}
.plat .hint{display:block;margin-top:12px;color:var(--muted-2);font-size:12px}

/* FOOTER */
.foot{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:30px;padding:60px 6vw 24px;
  max-width:1240px;margin:0 auto;border-top:1px solid rgba(30,76,149,.3)}
.foot .brand span{color:var(--red)}
.fcol b{display:block;margin-bottom:12px;font-size:14px}
.fcol a,.fcol span,.fcol p{display:block;color:var(--muted);font-size:13.5px;margin-bottom:7px}
.fcol a:hover{color:var(--white)}
.copy{text-align:center;color:var(--muted-2);font-size:12.5px;padding:18px;border-top:1px solid rgba(30,76,149,.2)}

@media(max-width:900px){
  .cards,.dl,.principles{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .links a:not(.btn-sm){display:none}
  .foot{grid-template-columns:1fr 1fr}
  .arrow{transform:rotate(90deg)}
}