:root{
    --abyss:#071119;
    --abyss-2:#0a1a26;
    --hull:#0e2130;
    --line:#1b3547;
    --steel:#7f96a8;
    --ice:#e4edf4;
    --signal:#f2a93b;
    --signal-dim:#b57e2c;
    --maxw:1140px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    background:var(--abyss);
    color:var(--ice);
    font-family:'Inter',system-ui,sans-serif;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  a{color:inherit;text-decoration:none}
  ::selection{background:var(--signal);color:var(--abyss)}

  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

  .mono{font-family:'IBM Plex Mono',monospace}
  .eyebrow{
    font-family:'IBM Plex Mono',monospace;
    font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
    color:var(--signal);display:inline-block;
  }

  /* ---- NAV ---- */
  header{
    position:fixed;top:0;left:0;right:0;z-index:50;
    background:rgba(7,17,25,0);
    transition:background .3s ease,border-color .3s ease;
    border-bottom:1px solid transparent;
  }
  header.scrolled{
    background:rgba(7,17,25,.82);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  nav{display:flex;align-items:center;justify-content:space-between;height:72px}
  .brand{
    font-family:'Space Grotesk',sans-serif;font-weight:700;
    font-size:1.25rem;letter-spacing:.02em;display:flex;align-items:center;gap:10px;
  }
  .brand .tick{width:11px;height:11px;border:2px solid var(--signal);border-radius:2px;transform:rotate(45deg)}
  .navlinks{display:flex;gap:32px;align-items:center}
  .navlinks a{
    font-size:.85rem;color:var(--steel);transition:color .2s;
    font-family:'IBM Plex Mono',monospace;letter-spacing:.02em;
  }
  .navlinks a:hover{color:var(--ice)}
  .nav-cta{
    border:1px solid var(--line);border-radius:3px;padding:9px 16px;
    color:var(--ice)!important;transition:border-color .2s,background .2s;
  }
  .nav-cta:hover{border-color:var(--signal);background:rgba(242,169,59,.08)}
  .burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px}
  .burger span{width:24px;height:2px;background:var(--ice);display:block}

  /* ---- HERO ---- */
  .hero{
    position:relative;overflow:hidden;
    min-height:92vh;display:flex;align-items:center;
    padding:120px 0 80px;
    background:#071119 url('images/hero.jpg') center/cover no-repeat;
  }
  .hero-grad{
    position:absolute;inset:0;z-index:1;pointer-events:none;
    background:
      linear-gradient(265deg, rgba(7,17,25,.96) 0%, rgba(7,17,25,.88) 42%, rgba(7,17,25,.30) 78%, rgba(7,17,25,.15) 100%),
      linear-gradient(0deg, rgba(7,17,25,.75), transparent 45%);
  }
  .hero .wrap{position:relative;z-index:2;width:100%}
  .hero-content{margin-left:auto;max-width:640px}
  .hero-points{list-style:none;margin:34px 0 40px;display:flex;flex-direction:column;gap:16px}
  .hero-points li{position:relative;padding-left:26px;color:var(--steel);font-size:.98rem;line-height:1.5}
  .hero-points li::before{content:"";position:absolute;left:0;top:.42em;width:9px;height:9px;border-radius:50%;background:var(--signal)}
  .hero-points b{color:var(--ice);font-weight:600}
  @media(max-width:860px){
    .hero-content{max-width:100%}
    .hero{background-position:38% center}
  }
  .hero-coord{
    font-family:'IBM Plex Mono',monospace;font-size:.75rem;color:var(--steel);
    letter-spacing:.08em;margin-bottom:26px;display:flex;gap:18px;flex-wrap:wrap;
  }
  .hero-coord b{color:var(--signal);font-weight:500}
  h1{
    font-family:'Space Grotesk',sans-serif;font-weight:600;
    font-size:clamp(2.4rem,6vw,4.5rem);line-height:1.04;letter-spacing:-.02em;
    max-width:16ch;margin-bottom:28px;
  }
  h1 .accent{color:var(--signal)}
  .hero-lede{
    font-size:clamp(1.05rem,2vw,1.28rem);color:var(--steel);
    max-width:52ch;margin-bottom:40px;line-height:1.55;
  }
  .hero-lede b{color:var(--ice);font-weight:500}
  .btn-row{display:flex;gap:16px;flex-wrap:wrap}
  .btn{
    font-family:'IBM Plex Mono',monospace;font-size:.85rem;letter-spacing:.02em;
    padding:14px 24px;border-radius:3px;cursor:pointer;transition:all .2s;display:inline-block;
  }
  .btn-primary{background:var(--signal);color:var(--abyss);font-weight:500}
  .btn-primary:hover{background:#ffbe55;transform:translateY(-1px)}
  .btn-ghost{border:1px solid var(--line);color:var(--ice)}
  .btn-ghost:hover{border-color:var(--steel)}

  /* ---- SECTION SHELL ---- */
  section{position:relative}
  .band{padding:100px 0;border-top:1px solid var(--line)}
  .sec-head{margin-bottom:56px;max-width:60ch}
  .sec-head h2{
    font-family:'Space Grotesk',sans-serif;font-weight:600;
    font-size:clamp(1.7rem,3.5vw,2.5rem);letter-spacing:-.01em;line-height:1.1;
    margin:14px 0 18px;
  }
  .sec-head p{color:var(--steel);font-size:1.05rem;max-width:54ch}

  /* ---- CAPABILITIES GRID ---- */
  .cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
  .cap{
    background:var(--abyss);padding:34px 30px;transition:background .25s;position:relative;
  }
  .cap:hover{background:var(--hull)}
  .cap-num{font-family:'IBM Plex Mono',monospace;font-size:.72rem;color:var(--signal-dim);letter-spacing:.1em}
  .cap h3{
    font-family:'Space Grotesk',sans-serif;font-weight:500;font-size:1.18rem;
    margin:16px 0 12px;letter-spacing:-.01em;
  }
  .cap p{color:var(--steel);font-size:.94rem;line-height:1.55}

  /* ---- DOMAINS (two column) ---- */
  .domains{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
  .domain{position:relative;background:var(--abyss-2);padding:48px 44px;min-height:360px}
  .domain--aviation{background:linear-gradient(180deg,rgba(8,20,29,.62) 0%,rgba(8,20,29,.90) 100%),#0a1a26 url('images/aviation.jpg') center/cover no-repeat}
  .domain--marine{background:linear-gradient(180deg,rgba(8,20,29,.62) 0%,rgba(8,20,29,.90) 100%),#0a1a26 url('images/marine.jpg') center/cover no-repeat}
  .domain .eyebrow{margin-bottom:20px}
  .domain h3{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:1.5rem;margin-bottom:16px}
  .domain p{color:var(--steel);margin-bottom:24px}
  .domain ul{list-style:none;display:flex;flex-direction:column;gap:12px}
  .domain li{
    font-size:.92rem;color:var(--ice);padding-left:22px;position:relative;
    font-family:'IBM Plex Mono',monospace;letter-spacing:.01em;
  }
  .domain li::before{content:"›";position:absolute;left:0;color:var(--signal);font-weight:700}

  /* ---- CONTACT ---- */
  .contact{border-top:1px solid var(--line)}
  .contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
  .contact h2{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:clamp(1.9rem,4vw,2.8rem);letter-spacing:-.01em;line-height:1.08}
  .contact .sub{color:var(--steel);margin-top:18px;max-width:40ch}
  .contact-card{background:var(--hull);border:1px solid var(--line);border-radius:4px;padding:34px}
  .field{margin-bottom:20px}
  .field label{display:block;font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);margin-bottom:8px}
  .field input,.field textarea{
    width:100%;background:var(--abyss);border:1px solid var(--line);border-radius:3px;
    padding:12px 14px;color:var(--ice);font-family:'Inter',sans-serif;font-size:.95rem;transition:border-color .2s;
  }
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--signal)}
  .field textarea{resize:vertical;min-height:96px}
  .contact-card .btn-primary{width:100%;text-align:center;border:0;font-size:.9rem}
  .direct{margin-top:22px;font-family:'IBM Plex Mono',monospace;font-size:.85rem;color:var(--steel)}
  .direct a{color:var(--signal)}

  /* ---- FOOTER ---- */
  footer{border-top:1px solid var(--line);padding:44px 0}
  .foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
  .foot .brand{font-size:1.05rem}
  .foot p{font-family:'IBM Plex Mono',monospace;font-size:.75rem;color:var(--steel);letter-spacing:.03em}

  /* ---- REVEAL ---- */
  .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
  .reveal.in{opacity:1;transform:none}

  /* ---- RESPONSIVE ---- */
  @media(max-width:860px){
    .cap-grid{grid-template-columns:1fr 1fr}
    .domains{grid-template-columns:1fr}
    .hfx-grid{grid-template-columns:1fr;gap:40px}
    .contact-inner{grid-template-columns:1fr;gap:36px}
  }
  @media(max-width:620px){
    .navlinks{
      position:fixed;top:72px;left:0;right:0;background:var(--abyss);
      flex-direction:column;gap:0;padding:0;border-bottom:1px solid var(--line);
      max-height:0;overflow:hidden;transition:max-height .3s ease;
    }
    .navlinks.open{max-height:340px}
    .navlinks a{padding:16px 28px;width:100%;border-top:1px solid var(--line)}
    .nav-cta{margin:16px 28px;text-align:center}
    .burger{display:flex}
    .cap-grid{grid-template-columns:1fr}
    .band{padding:72px 0}
    .hero{padding:150px 0 90px}
  }
  @media(prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important}
    html{scroll-behavior:auto}
    .reveal{opacity:1;transform:none}
  }

  .brand-mark{height:30px;width:auto;display:block}
  .brand .tick{display:none}
  .foot-brand{align-items:center}
  .foot-logo{height:50px;width:auto;display:block;opacity:.95;transition:opacity .2s}
  .foot-brand:hover .foot-logo{opacity:1}

  .to-top{
    position:fixed;right:24px;bottom:24px;z-index:60;
    width:48px;height:48px;border-radius:50%;
    background:var(--signal);color:var(--abyss);
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 20px rgba(0,0,0,.4);
    opacity:0;visibility:hidden;transform:translateY(10px);
    transition:opacity .25s ease,transform .25s ease,background .2s;
    cursor:pointer;
  }
  .to-top.show{opacity:1;visibility:visible;transform:none}
  .to-top:hover{background:#ffbe55;transform:translateY(-2px)}
  .to-top svg{width:20px;height:20px}
  @media(max-width:620px){.to-top{right:16px;bottom:16px;width:44px;height:44px}}

  /* ---- DTR TESTING ---- */
  .testing-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
  .testing-grid .lede{color:var(--steel);font-size:1.05rem}
  .spec-panel{background:var(--hull);border:1px solid var(--line);border-radius:4px;padding:30px}
  .spec-panel h3{font-family:'Space Grotesk',sans-serif;font-weight:500;font-size:1.05rem;margin-bottom:18px}
  .spec-list{list-style:none;display:flex;flex-direction:column;gap:14px}
  .spec-list li{position:relative;padding-left:24px;color:var(--ice);font-size:.94rem;line-height:1.5}
  .spec-list li::before{content:"›";position:absolute;left:0;color:var(--signal);font-weight:700}
  .spec-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
  .spec-tag{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--signal);border:1px solid var(--line);border-radius:3px;padding:6px 12px}
  @media(max-width:860px){.testing-grid{grid-template-columns:1fr;gap:32px}}

/* ---- MULTI-PAGE ---- */
.navlinks a.active{color:var(--ice)}
.navlinks a.active::after{content:"";display:block;height:2px;background:var(--signal);margin-top:3px;border-radius:2px}
.foot{gap:24px}
.foot-links{display:flex;gap:22px;flex-wrap:wrap}
.foot-links a{font-family:'IBM Plex Mono',monospace;font-size:.8rem;color:var(--steel);transition:color .2s}
.foot-links a:hover{color:var(--signal)}
.page-hero{position:relative;overflow:hidden;min-height:clamp(340px,50vh,500px);display:flex;align-items:flex-end;padding:150px 0 48px;border-bottom:1px solid var(--line);background:#071119 center/cover no-repeat}
.page-hero::before{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(180deg,rgba(7,17,25,.58) 0%,rgba(7,17,25,.70) 45%,rgba(7,17,25,.94) 100%)}
.page-hero .wrap{position:relative;z-index:1;width:100%}
.page-hero--services{background-image:url('images/hero.jpg')}
.page-hero--dtr{background-image:url('images/sky-drone.jpg')}
.page-hero--about{background-image:url('images/marine.jpg')}
.page-hero--vpx{background-image:url('images/vpx.jpg')}
.page-hero--contact{background-image:url('images/aviation.jpg')}
.page-hero .eyebrow{margin-bottom:14px}
.page-hero h1{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:clamp(2rem,5vw,3.2rem);letter-spacing:-.02em;line-height:1.06;max-width:20ch;margin-bottom:20px}
.page-hero p{color:var(--steel);font-size:1.1rem;max-width:62ch;line-height:1.55}
.prose{max-width:70ch}
.prose h2{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:clamp(1.5rem,3vw,2rem);letter-spacing:-.01em;margin:8px 0 16px}
.prose h3{font-family:'Space Grotesk',sans-serif;font-weight:500;font-size:1.2rem;margin:28px 0 10px}
.prose p{color:var(--steel);margin-bottom:18px;line-height:1.65}
.prose p b{color:var(--ice);font-weight:500}
.cta-band{background:var(--abyss-2)}
.cta-band .wrap{text-align:center}
.cta-band h2{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:clamp(1.6rem,3.5vw,2.3rem);margin-bottom:14px;letter-spacing:-.01em}
.cta-band p{color:var(--steel);max-width:48ch;margin:0 auto 30px}
.card-link{text-decoration:none;color:inherit;display:block}
.card-link:hover .cap{background:var(--hull)}
.more-link{display:inline-block;margin-top:26px;font-family:'IBM Plex Mono',monospace;font-size:.85rem;color:var(--signal);letter-spacing:.02em}
.more-link:hover{text-decoration:underline}
@media(max-width:620px){.navlinks.open{max-height:520px}}

.board-figure{margin:0;text-align:center}
.board-figure img{width:min(940px,100%);height:auto;filter:drop-shadow(0 26px 55px rgba(0,0,0,.55))}
.board-figure figcaption{margin-top:20px;font-family:'IBM Plex Mono',monospace;font-size:.78rem;letter-spacing:.06em;color:var(--steel);text-transform:uppercase}

.page-hero--xmc{background-image:url('images/vpx.jpg')}
.faq{max-width:800px}
.faq-item{border-top:1px solid var(--line);padding:22px 0}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item h3{font-family:'Space Grotesk',sans-serif;font-weight:500;font-size:1.08rem;margin-bottom:10px;color:var(--ice)}
.faq-item p{color:var(--steel);line-height:1.6;margin:0}
.board-figure--tall img{width:min(520px,100%)}