:root{
    --ink:#0B2436;
    --ink-soft:#294A5E;
    --blue:#3C8FC7;
    --blue-deep:#123A57;
    --blue-dark2:#0C2740;
    --green:#4CBF63;
    --green-deep:#2F8F45;
    --paper:#F5F7F5;
    --paper-2:#ECF1EF;
    --card:#FFFFFF;
    --steel:#5B6B72;
    --line:rgba(11,36,54,0.14);
    --line-soft:rgba(11,36,54,0.08);
    --on-dark:#EAF2F6;
    --on-dark-soft:#A9C2D0;
  }
  *{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:"IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size:16px;
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;}
  .wrap{max-width:1180px;margin:0 auto;padding-inline:24px;}
  h1,h2,h3{
    font-family:"Big Shoulders Display", "Arial Narrow", sans-serif;
    font-weight:800;
    text-transform:uppercase;
    letter-spacing:0.01em;
    text-wrap:balance;
    margin:0;
    line-height:0.98;
  }
  .eyebrow{
    font-family:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size:12.5px;
    letter-spacing:0.14em;
    text-transform:uppercase;
    font-weight:500;
  }
  .mono{font-family:"IBM Plex Mono", ui-monospace, monospace; font-variant-numeric:tabular-nums;}
  p{margin:0;}
  button, .btn{font-family:inherit;}
  :focus-visible{outline:2px solid var(--blue); outline-offset:3px;}

  /* ===== NAV ===== */
  header.site{
    position:sticky; top:0; z-index:40;
    background:color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line-soft);
  }
  .nav{
    display:flex; align-items:center; justify-content:space-between;
    gap:16px; padding-block:14px;
  }
  .logo-mark{height:30px; width:auto; border-radius:3px;}
  .brand{display:inline-flex; line-height:0;}
  .nav-links{
    display:flex; align-items:center; gap:28px;
    list-style:none; margin:0; padding:0;
  }
  .nav-links a{
    text-decoration:none; font-size:14.5px; font-weight:500; color:var(--ink-soft);
    border-bottom:1px solid transparent; padding-bottom:2px;
  }
  .nav-links a:hover{color:var(--ink); border-color:var(--green);}
  .nav-cta{display:flex; align-items:center; gap:14px;}
  .nav-links{display:none;}
  @media (min-width:840px){ .nav-links{display:flex;} }

  .btn{
    display:inline-flex; align-items:center; gap:9px;
    padding:11px 20px; border-radius:3px; font-size:14.5px; font-weight:600;
    text-decoration:none; border:1px solid transparent; cursor:pointer;
    white-space:nowrap;
  }
  .btn-primary{background:var(--green); color:#08240E;}
  .btn-primary:hover{background:var(--green-deep);}
  .btn-ghost{background:transparent; color:var(--ink); border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--blue); color:var(--blue);}
  .btn-on-dark{background:transparent; color:var(--on-dark); border-color:rgba(234,242,246,0.35);}
  .btn-on-dark:hover{border-color:var(--green); color:var(--green);}

  /* ===== HERO ===== */
  .hero{
    background:linear-gradient(155deg, var(--blue-dark2) 0%, var(--blue-deep) 62%, #1C4E68 100%);
    color:var(--on-dark);
    position:relative;
    overflow:hidden;
  }
  .hero::after{
    content:"";
    position:absolute; inset:0;
    background:
      repeating-linear-gradient(90deg, rgba(234,242,246,0.05) 0 1px, transparent 1px 88px);
    opacity:0.5; pointer-events:none;
  }
  .hero-inner{
    position:relative; z-index:1;
    padding-block:76px 56px;
    display:grid; gap:26px;
    max-width:820px;
  }
  .hero-tag{
    display:inline-flex; align-items:center; gap:9px;
    color:var(--green); width:fit-content;
  }
  .hero-tag::before{content:"●"; font-size:8px; color:var(--green);}
  .hero h1{
    font-size:clamp(40px, 6.6vw, 78px);
    color:#fff;
  }
  .hero h1 em{
    font-style:normal; color:var(--green);
  }
  .hero-sub{
    font-size:18px; color:var(--on-dark-soft); max-width:56ch; line-height:1.6;
  }
  .hero-actions{display:flex; flex-wrap:wrap; gap:14px; margin-top:6px;}

  /* spec strip / nameplate */
  .specstrip{
    background:var(--blue-dark2); color:var(--on-dark-soft);
    border-top:1px solid rgba(234,242,246,0.12);
    border-bottom:1px solid rgba(234,242,246,0.12);
  }
  .specstrip .wrap{
    display:grid; grid-template-columns:repeat(auto-fit, minmax(220px,1fr));
    gap:0;
  }
  .specstrip dl{
    margin:0; padding:16px 22px;
    border-left:1px solid rgba(234,242,246,0.12);
    display:flex; flex-direction:column; gap:4px;
  }
  .specstrip dl:first-child{border-left:none; padding-left:0;}
  .specstrip dt{font-family:"IBM Plex Mono",monospace; font-size:11px; letter-spacing:0.12em; color:var(--green); text-transform:uppercase;}
  .specstrip dd{margin:0; font-size:14.5px; color:var(--on-dark); font-weight:500;}

  /* ===== SECTION SHELL ===== */
  section{padding-block:84px;}
  .section-head{
    display:grid; gap:16px; max-width:700px; margin-bottom:48px;
  }
  .section-head .eyebrow{color:var(--blue);}
  .section-head h2{font-size:clamp(30px,4vw,44px);}
  .section-head p{color:var(--steel); font-size:16.5px; max-width:60ch;}

  .band{background:var(--paper-2);}

  /* ===== BRIEF ===== */
  .brief{
    display:grid; grid-template-columns:1fr; gap:40px;
  }
  @media (min-width:900px){ .brief{grid-template-columns:0.9fr 1.1fr;} }
  .brief-quote{
    border-left:3px solid var(--green);
    padding-left:24px;
    font-family:"Big Shoulders Display", sans-serif;
    font-weight:700;
    text-transform:none;
    font-size:clamp(24px,2.6vw,32px);
    line-height:1.18;
    color:var(--ink);
  }
  .brief-body p{color:var(--ink-soft); font-size:16.5px; margin-bottom:16px;}
  .brief-body p:last-child{margin-bottom:0;}

  /* ===== SERVICES ===== */
  .grid-4{
    display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }
  @media (max-width:900px){ .grid-4{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:560px){ .grid-4{grid-template-columns:1fr;} }
  .svc-card{
    background:var(--card); padding:30px 26px;
    display:flex; flex-direction:column; gap:14px;
  }
  .svc-num{font-family:"IBM Plex Mono",monospace; color:var(--blue); font-size:13px;}
  .svc-card h3{font-size:22px; text-transform:none; letter-spacing:0; font-weight:700;}
  .svc-card p{color:var(--steel); font-size:15px;}

  /* ===== TENDER SECTION ===== */
  .tender{
    display:grid; grid-template-columns:1fr; gap:40px; align-items:start;
  }
  @media (min-width:900px){ .tender{grid-template-columns:1fr 1fr;} }
  .doc-card{
    background:var(--card); border:1px solid var(--line);
    border-radius:4px; padding:0; position:relative;
    box-shadow:0 20px 44px -28px rgba(11,36,54,0.35);
  }
  .doc-card::before{
    content:"";
    position:absolute; top:0; right:0; width:0; height:0;
    border-style:solid; border-width:0 26px 26px 0;
    border-color:transparent var(--paper) transparent transparent;
  }
  .doc-head{
    display:flex; justify-content:space-between; align-items:center;
    padding:18px 24px; border-bottom:1px dashed var(--line);
  }
  .doc-head .eyebrow{color:var(--steel);}
  .doc-badge{
    font-family:"IBM Plex Mono",monospace; font-size:11px; letter-spacing:0.1em;
    color:var(--green-deep); background:color-mix(in srgb, var(--green) 16%, transparent);
    padding:4px 9px; border-radius:20px;
  }
  .doc-body{padding:22px 24px 26px; display:grid; gap:16px;}
  .doc-row{display:flex; justify-content:space-between; gap:16px; border-bottom:1px solid var(--line-soft); padding-bottom:12px; font-size:14.5px;}
  .doc-row:last-child{border-bottom:none; padding-bottom:0;}
  .doc-row span:first-child{color:var(--steel);}
  .doc-row span:last-child{font-family:"IBM Plex Mono",monospace; color:var(--ink); text-align:right;}

  .tender-copy h2{font-size:clamp(28px,3.6vw,38px); margin-bottom:18px;}
  .tender-copy p{color:var(--ink-soft); font-size:16.5px; margin-bottom:14px;}
  .tender-copy p:last-of-type{margin-bottom:0;}

  /* ===== SECTORS ===== */
  .sector-row{
    display:grid; grid-template-columns:repeat(4,1fr); gap:16px;
  }
  @media (max-width:900px){ .sector-row{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:560px){ .sector-row{grid-template-columns:1fr;} }
  .sector{
    border:1px solid var(--line); border-radius:4px; padding:22px;
    display:flex; flex-direction:column; gap:8px; background:var(--card);
  }
  .sector .eyebrow{color:var(--green-deep);}
  .sector h3{font-size:20px; text-transform:none; font-weight:700; letter-spacing:0;}

  /* ===== PROCESS ===== */
  .process{
    display:grid; grid-template-columns:repeat(4,1fr); gap:0;
    counter-reset:step;
  }
  @media (max-width:900px){ .process{grid-template-columns:1fr 1fr;} }
  @media (max-width:560px){ .process{grid-template-columns:1fr;} }
  .step{
    padding:26px 22px; border-top:3px solid var(--blue); position:relative;
  }
  .step:nth-child(4n+2){border-top-color:var(--green);}
  .step:nth-child(4n+3){border-top-color:var(--blue-deep);}
  .step:nth-child(4n+4){border-top-color:var(--green-deep);}
  .step-index{font-family:"IBM Plex Mono",monospace; font-size:26px; color:var(--line); font-weight:600; display:block; margin-bottom:10px;}
  .step h3{font-size:19px; text-transform:none; font-weight:700; letter-spacing:0; margin-bottom:8px;}
  .step p{color:var(--steel); font-size:14.5px;}

  /* ===== CTA / FOOTER ===== */
  .cta{
    background:linear-gradient(155deg, var(--blue-dark2) 0%, var(--blue-deep) 100%);
    color:var(--on-dark);
  }
  .cta-inner{
    display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:28px;
  }
  .cta h2{color:#fff; font-size:clamp(30px,4.2vw,46px); max-width:14ch;}
  .cta p{color:var(--on-dark-soft); font-size:16px; max-width:44ch; margin-top:10px;}
  .cta-actions{display:flex; flex-direction:column; gap:12px; align-items:flex-start;}
  .cta-note{font-family:"IBM Plex Mono",monospace; font-size:12px; color:var(--on-dark-soft); letter-spacing:0.04em;}

  footer.site{
    background:var(--blue-dark2); color:var(--on-dark-soft);
    padding-block:34px; border-top:1px solid rgba(234,242,246,0.12);
  }
  .foot-row{
    display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:18px;
  }
  .foot-row .logo-chip{
    background:#fff; padding:8px 14px; border-radius:4px;
    display:inline-flex; align-items:center;
  }
  .foot-row .logo-mark{height:20px;}
  .foot-links{display:flex; gap:22px; list-style:none; margin:0; padding:0; font-size:13.5px;}
  .foot-links a{text-decoration:none; color:var(--on-dark-soft);}
  .foot-links a:hover{color:var(--green);}
  .foot-fine{font-size:12.5px; color:rgba(169,194,208,0.7); margin-top:18px;}

  html{scroll-behavior:smooth; scroll-padding-top:76px;}
  @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}
  .skip{position:absolute; left:-999px; top:8px; background:var(--green); color:#08240E; padding:8px 14px; z-index:100; border-radius:3px;}
  .skip:focus{left:8px;}

  /* mobile menu */
  .menu-btn{
    display:inline-flex; flex-direction:column; justify-content:center; gap:5px;
    width:42px; height:42px; padding:11px; background:transparent;
    border:1px solid var(--line); border-radius:3px; cursor:pointer;
  }
  .menu-btn span{display:block; height:2px; background:var(--ink); transition:transform .2s, opacity .2s;}
  .menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  @media (min-width:840px){ .menu-btn{display:none;} }
  .mobile-nav{display:none; border-top:1px solid var(--line-soft); background:var(--paper);}
  .mobile-nav.open{display:block;}
  .mobile-nav ul{list-style:none; margin:0; padding:8px 0 14px;}
  .mobile-nav a{display:block; padding:12px 0; text-decoration:none; font-weight:500; color:var(--ink-soft); border-bottom:1px solid var(--line-soft);}
  @media (min-width:840px){ .mobile-nav{display:none !important;} }
  @media (max-width:420px){ .nav-cta .btn{padding:10px 14px; font-size:13.5px;} }

  .cta-mail{font-family:"IBM Plex Mono",monospace; font-size:15px; color:var(--on-dark); text-decoration:none; border-bottom:1px solid var(--green);}
  .cta-mail:hover{color:var(--green);}
  .foot-fine a{color:inherit;}
  .page-404{min-height:60vh; display:grid; place-content:center; gap:18px; padding-block:90px; text-align:left;}
  .page-404 h1{font-size:clamp(48px,9vw,96px);}