:root{
    --navy: #1B2A4A;
    --navy-deep: #121D34;
    --gold: #B8912F;
    --gold-bright: #D4AB4E;
    --pale-blue: #D8E3F0;
    --paper: #F7F5EF;
    --ink: #22262E;
    --steel: #6B7480;
    --line: #C9CFD9;
  }

  *{ box-sizing: border-box; margin:0; padding:0; }
  html{ scroll-behavior: smooth; }

  body{
    background: var(--paper);
    color: var(--ink);
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  .mono{ font-family: 'IBM Plex Mono', monospace; }
  .display{ font-family: 'Space Grotesk', sans-serif; }

  a{ color: inherit; }

  .wrap{
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 32px;
  }

  /* ===== Form-header ticker bar ===== */
  .ticket-bar{
    background: var(--navy-deep);
    color: var(--pale-blue);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.04em;
    padding: 9px 0;
    border-bottom: 1px solid rgba(216,227,240,0.15);
  }
  .ticket-bar .wrap{
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: space-between;
  }
  .ticket-bar span.label{ color: var(--gold-bright); margin-right: 6px; }

  /* ===== Nav ===== */
  header.site{
    background: var(--navy);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 40;
    box-shadow: 0 1px 0 rgba(0,0,0,0.08);
  }
  nav.wrap{
    display:flex;
    align-items:center;
    justify-content: space-between;
    padding-top: 18px;
    padding-bottom: 18px;
  }
  .brand{
    font-family:'Space Grotesk', sans-serif;
    font-weight:700;
    font-size: 22px;
    letter-spacing: 0.01em;
    display:flex;
    align-items:center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
  }
  .brand .mark{
    display:inline-block;
    width: 12px; height: 12px;
    background: var(--gold);
    transform: rotate(45deg);
  }
  .brand small{
    font-family:'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--pale-blue);
    font-weight: 400;
    letter-spacing: 0.08em;
  }
  nav ul{
    list-style:none;
    display:flex;
    gap: 32px;
    font-family:'Space Grotesk', sans-serif;
    font-size: 14.5px;
    font-weight: 500;
  }
  nav ul a{
    text-decoration:none;
    color: var(--pale-blue);
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
    transition: color .15s, border-color .15s;
  }
  nav ul a:hover{ color:#fff; border-color: var(--gold); }
  .nav-cta{
    background: var(--gold);
    color: var(--navy-deep) !important;
    padding: 9px 18px;
    font-weight: 700;
    border: none;
  }
  .nav-cta:hover{ background: var(--gold-bright); border-color: transparent !important; }

  /* ===== Hero ===== */
  .hero{
    background:
      linear-gradient(180deg, var(--navy) 0%, var(--navy) 60%, var(--navy-deep) 100%);
    color: #fff;
    padding: 76px 0 92px;
    position: relative;
    overflow: hidden;
  }
  .hero::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:
      repeating-linear-gradient(90deg, rgba(216,227,240,0.05) 0 1px, transparent 1px 64px),
      repeating-linear-gradient(0deg, rgba(216,227,240,0.05) 0 1px, transparent 1px 64px);
    pointer-events:none;
  }
  .hero .wrap{ position:relative; }
  .eyebrow{
    font-family:'IBM Plex Mono', monospace;
    font-size: 12.5px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold-bright);
    display:flex;
    align-items:center;
    gap: 10px;
    margin-bottom: 22px;
  }
  .eyebrow::before{
    content:"";
    width: 26px; height: 1px;
    background: var(--gold-bright);
  }
  h1{
    font-family:'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(34px, 5vw, 56px);
    line-height: 1.08;
    max-width: 14ch;
    letter-spacing: -0.01em;
  }
  h1 em{
    font-style: normal;
    color: var(--gold-bright);
  }
  .hero-sub{
    margin-top: 24px;
    max-width: 54ch;
    font-size: 19px;
    color: var(--pale-blue);
  }
  .hero-actions{
    margin-top: 38px;
    display:flex;
    gap: 16px;
    flex-wrap: wrap;
  }
  .btn{
    font-family:'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 15px;
    padding: 14px 26px;
    text-decoration:none;
    display:inline-block;
    border: 1.5px solid transparent;
  }
  .btn-primary{ background: var(--gold); color: var(--navy-deep); }
  .btn-primary:hover{ background: var(--gold-bright); }
  .btn-ghost{ border-color: rgba(216,227,240,0.4); color: #fff; }
  .btn-ghost:hover{ border-color: #fff; }

  /* stat strip */
  .stat-strip{
    margin-top: 56px;
    display:grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid rgba(216,227,240,0.18);
    padding-top: 28px;
  }
  .stat-strip div + div{ border-left: 1px solid rgba(216,227,240,0.18); padding-left:24px; }
  .stat-strip dt{
    font-family:'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--pale-blue);
    letter-spacing:0.06em;
    text-transform: uppercase;
  }
  .stat-strip dd{
    font-family:'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 22px;
    margin-top: 6px;
    color: #fff;
  }

  /* ===== Section shell ===== */
  section{ padding: 88px 0; }
  .section-head{
    display:flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    margin-bottom: 44px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 22px;
  }
  .section-head h2{
    font-family:'Space Grotesk', sans-serif;
    font-size: 30px;
    font-weight: 700;
    color: var(--navy);
  }
  .section-head .tag{
    font-family:'IBM Plex Mono', monospace;
    font-size: 12px;
    color: var(--steel);
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }
  .lede{
    max-width: 68ch;
    color: var(--steel);
    font-size: 17px;
    margin-bottom: 40px;
  }

  /* ===== Requisition cards (signature element) ===== */
  .catalog{
    display:grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }
  .req-card{
    background: #fff;
    border: 1px solid var(--line);
    position: relative;
    padding: 22px 20px 20px;
  }
  .req-card::before{
    content:"";
    position:absolute;
    top:0; left:0; right:0;
    height: 4px;
    background: var(--gold);
  }
  .req-card .code{
    font-family:'IBM Plex Mono', monospace;
    font-size: 12px;
    color: var(--gold);
    font-weight: 600;
    letter-spacing: 0.04em;
  }
  .req-card h3{
    font-family:'Space Grotesk', sans-serif;
    font-size: 18.5px;
    color: var(--navy);
    margin: 8px 0 10px;
    font-weight: 600;
  }
  .req-card p{
    font-size: 14.5px;
    color: var(--steel);
    line-height: 1.55;
  }
  .req-card .naics{
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px dashed var(--line);
    font-family:'IBM Plex Mono', monospace;
    font-size: 11.5px;
    color: var(--steel);
  }

  /* ===== Why section (dark) ===== */
  .why{
    background: var(--pale-blue);
  }
  .why-grid{
    display:grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 56px;
    align-items: start;
  }
  .why-list{ list-style:none; display:flex; flex-direction:column; gap:26px; }
  .why-list li{ display:flex; gap:18px; }
  .why-num{
    font-family:'IBM Plex Mono', monospace;
    font-weight: 600;
    font-size: 13px;
    color: var(--navy);
    background: #fff;
    border: 1px solid var(--navy);
    width: 34px; height: 34px;
    flex: none;
    display:flex; align-items:center; justify-content:center;
  }
  .why-list h4{
    font-family:'Space Grotesk', sans-serif;
    font-size: 17px;
    color: var(--navy);
    margin-bottom: 4px;
  }
  .why-list p{ color: var(--steel); font-size: 15px; }

  .manifest{
    background: var(--navy);
    color: #fff;
    padding: 34px 30px;
    font-family:'IBM Plex Mono', monospace;
    font-size: 13px;
  }
  .manifest .m-title{
    font-family:'Space Grotesk', sans-serif;
    font-size: 15px;
    color: var(--gold-bright);
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255,255,255,0.15);
  }
  .manifest dl{ display:grid; grid-template-columns: auto 1fr; gap: 10px 16px; }
  .manifest dt{ color: rgba(255,255,255,0.55); }
  .manifest dd{ color: #fff; text-align:right; }

  /* ===== CTA band ===== */
  .cta-band{
    background: var(--navy-deep);
    color: #fff;
    text-align:center;
  }
  .cta-band h2{
    font-family:'Space Grotesk', sans-serif;
    font-size: 32px;
    max-width: 20ch;
    margin: 0 auto 16px;
  }
  .cta-band p{ color: var(--pale-blue); max-width: 52ch; margin: 0 auto 32px; }

  /* ===== Footer ===== */
  footer{
    background: var(--navy-deep);
    color: rgba(216,227,240,0.7);
    font-size: 13.5px;
    border-top: 1px solid rgba(216,227,240,0.12);
    padding: 40px 0 30px;
  }
  footer .wrap{
    display:flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
  }
  footer .mono{ color: rgba(216,227,240,0.5); }

  @media (max-width: 860px){
    .stat-strip{ grid-template-columns: repeat(2,1fr); row-gap: 20px; }
    .stat-strip div:nth-child(3){ border-left:none; }
    .why-grid{ grid-template-columns: 1fr; }
    nav.wrap{ position: relative; flex-wrap: wrap; }
    nav.wrap ul{
      display: none;
      position: absolute;
      top: 100%;
      left: 0; right: 0;
      background: var(--navy);
      flex-direction: column;
      gap: 0;
      padding: 8px 0;
      border-top: 1px solid rgba(216,227,240,0.15);
    }
    nav.wrap ul.open{ display: flex; }
    nav.wrap ul li{ width: 100%; }
    nav.wrap ul li a{
      display: block;
      padding: 14px 32px;
      border-bottom: none;
    }
    nav.wrap ul li a.nav-cta{ margin: 8px 32px; text-align:center; }
    .nav-toggle{
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      width: 28px; height: 22px;
      background: none;
      border: none;
      cursor: pointer;
      padding: 0;
    }
    .nav-toggle span{
      display:block;
      height: 2px;
      background: #fff;
      border-radius: 1px;
    }
  }
  @media (min-width: 861px){
    .nav-toggle{ display: none; }
  }

  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior: auto; }
  }