:root{
  --navy-900:#07111f; --navy-800:#0a1a2e; --navy-700:#0f2540;
  --steel-600:#1d3a59; --steel-400:#3d6488; --slate:#5b7185;
  --mist:#aebfce; --line:rgba(174,191,206,.16);
  --paper:#f4f7fa; --white:#ffffff;
  --hivis:#ff6a13; --hivis-soft:rgba(255,106,19,.14);
  --font-display:'Archivo',system-ui,sans-serif;
  --font-body:'IBM Plex Sans',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,monospace;
  --maxw:1240px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--navy-900);color:var(--mist);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:var(--hivis)}
h1,h2,h3{font-family:var(--font-display);color:var(--white);line-height:1.06;letter-spacing:-.01em}

header{position:fixed;top:0;left:0;right:0;z-index:100;transition:.35s ease;border-bottom:1px solid transparent}
header.scrolled{background:rgba(7,17,31,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{font-family:var(--font-display);font-weight:900;font-size:1.25rem;letter-spacing:.04em;color:#fff;display:flex;align-items:center;gap:10px}
.brand .mark{width:14px;height:14px;background:var(--hivis);transform:rotate(45deg);box-shadow:0 0 16px var(--hivis)}
.brand b{color:var(--hivis);font-weight:900}
.menu{display:flex;align-items:center;gap:30px;list-style:none}
.menu a{font-size:.86rem;font-weight:500;letter-spacing:.02em;color:var(--mist);transition:.2s;position:relative}
.menu a:hover{color:#fff}
.menu a.active{color:#fff}
.menu a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--hivis);transition:.25s}
.menu a:not(.btn):hover::after,.menu a.active:not(.btn)::after{width:100%}
.btn{font-family:var(--font-mono);font-size:.78rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:13px 22px;border:1px solid var(--hivis);color:#fff;background:var(--hivis);transition:.2s;display:inline-block;cursor:pointer}
.btn:hover{background:transparent;color:var(--hivis)}
.btn.ghost{background:transparent;color:#fff;border-color:var(--line)}
.btn.ghost:hover{border-color:var(--hivis);color:var(--hivis)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:26px;height:2px;background:#fff;transition:.3s}

/* page banner */
.banner{padding:150px 0 70px;background:radial-gradient(120% 120% at 80% 0%,#143456 0%,var(--navy-800) 45%,var(--navy-900) 100%);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.banner::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(100% 80% at 75% 10%,#000 20%,transparent 70%);opacity:.5}
.banner .inner{position:relative;z-index:2;max-width:760px}
.banner h1{font-size:clamp(2.3rem,5vw,3.8rem);font-weight:900;text-transform:uppercase;margin:16px 0}
.banner h1 .hv{color:var(--hivis)}
.banner p{font-size:clamp(1.02rem,1.5vw,1.25rem);max-width:600px}
.crumb{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate)}
.crumb a:hover{color:var(--hivis)}

section{padding:88px 0}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-head h2{font-size:clamp(1.8rem,3.6vw,2.8rem);font-weight:800;margin:14px 0}

.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:2px;background:var(--line)}
.card{background:var(--navy-800);padding:38px 30px;transition:.3s}
.card:hover{background:var(--navy-700)}
.card .idx{font-family:var(--font-mono);font-size:.8rem;color:var(--hivis);letter-spacing:.1em}
.card h3{font-size:1.35rem;font-weight:800;margin:14px 0 10px}
.card p{font-size:.94rem}
.card .fast{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--hivis);margin-top:16px;display:inline-block}

.detail{border-top:1px solid var(--line)}
.drow{display:grid;grid-template-columns:100px 1fr 1.5fr;gap:30px;align-items:start;padding:34px 0;border-bottom:1px solid var(--line)}
.drow .num{font-family:var(--font-mono);color:var(--hivis);font-size:.9rem;letter-spacing:.1em;padding-top:6px}
.drow h3{font-size:1.4rem;font-weight:700}
.drow .desc{color:var(--mist)}
.tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.tag{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--mist);border:1px solid var(--line);padding:5px 10px}

/* tools */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.tool{background:var(--navy-800);border:1px solid var(--line);padding:28px;display:flex;flex-direction:column;transition:.3s}
.tool:hover{border-color:rgba(255,106,19,.4)}
.tool .tag-live{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--hivis);border:1px solid rgba(255,106,19,.4);padding:4px 8px;align-self:flex-start}
.tool .tag-soon{color:var(--slate);border-color:var(--line)}
.tool h3{font-size:1.25rem;font-weight:800;margin:16px 0 8px}
.tool p{font-size:.9rem;flex:1}
.tool .open{margin-top:18px}
.locknote{margin-top:40px;border:1px solid var(--line);background:linear-gradient(120deg,var(--navy-700),var(--navy-900));padding:32px;display:flex;gap:18px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.locknote .k{font-family:var(--font-mono);font-size:.82rem;color:var(--mist)}
.locknote .k b{color:var(--hivis)}

/* about */
.about{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about .frame{aspect-ratio:4/5;background:radial-gradient(90% 90% at 40% 20%,#1a3c5e,var(--navy-900));border:1px solid var(--line);display:flex;align-items:flex-end;padding:30px}
.about .frame .badge{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mist)}
.about .frame .badge b{color:var(--hivis);display:block;font-size:2rem;font-family:var(--font-display)}
.about h2{font-size:clamp(1.7rem,3vw,2.4rem);font-weight:800;margin:14px 0 18px}
.about p{margin-bottom:14px}
.valuelist{list-style:none;margin-top:20px}
.valuelist li{padding:14px 0;border-top:1px solid var(--line);display:flex;gap:14px}
.valuelist li .k{color:var(--hivis);font-family:var(--font-mono)}

/* contact form */
.formwrap{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:start}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--slate);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;background:var(--navy-800);border:1px solid var(--line);color:#fff;font-family:var(--font-body);font-size:.95rem;padding:13px 14px;outline:none;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--hivis)}
.field textarea{min-height:140px;resize:vertical}
.hp{position:absolute;left:-9999px}
.contact-side .block{border:1px solid var(--line);background:var(--navy-800);padding:24px;margin-bottom:16px}
.contact-side h4{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate);margin-bottom:10px}
.contact-side a{color:var(--hivis)}
.formnote{font-family:var(--font-mono);font-size:.74rem;color:var(--slate);margin-top:10px}

.cta{background:var(--hivis);color:#16120c}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta h2{color:#16120c;font-size:clamp(1.7rem,3.2vw,2.6rem);font-weight:900;text-transform:uppercase;max-width:640px}
.cta .btn{background:#0a1a2e;border-color:#0a1a2e;color:#fff}
.cta .btn:hover{background:transparent;color:#0a1a2e}

footer{background:var(--navy-900);border-top:1px solid var(--line);padding:60px 0 30px}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px}
.fgrid h4{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--slate);margin-bottom:18px}
.fgrid a{display:block;font-size:.9rem;margin-bottom:10px;color:var(--mist);transition:.2s}
.fgrid a:hover{color:var(--hivis)}
.fgrid address{font-style:normal;font-size:.9rem;line-height:1.9}
.fbrand{font-family:var(--font-display);font-weight:900;font-size:1.4rem;color:#fff;letter-spacing:.04em;margin-bottom:14px}
.fbrand b{color:var(--hivis)}
.fbot{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.06em;color:var(--slate)}

.reveal{opacity:0;transform:translateY(26px);transition:.7s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .menu{position:fixed;inset:0 0 0 auto;width:78%;max-width:340px;background:var(--navy-800);flex-direction:column;justify-content:center;align-items:flex-start;gap:24px;padding:40px;transform:translateX(100%);transition:.35s;border-left:1px solid var(--line)}
  .menu.open{transform:none}
  .burger{display:flex;z-index:120}
  .drow{grid-template-columns:1fr;gap:10px}
  .drow .num{padding-top:0}
  .about{grid-template-columns:1fr;gap:34px}
  .about .frame{max-width:340px}
  .formwrap{grid-template-columns:1fr;gap:30px}
  .fgrid{grid-template-columns:1fr 1fr;gap:30px}
}