:root {
    --ink: #0e1b2a;
    --navy: #122c44;
    --navy-2: #1c3a57;
    --slate: #4a6075;
    --mist: #6c8298;
    --line: #d6dee6;
    --line-soft: #e7edf2;
    --paper: #f4f7f9;
    --white: #ffffff;
    --accent: #1f6feb;
    --accent-deep: #0e4fb8;
    --safety: #e8743b;
    --maxw: 1180px;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Space Grotesk', sans-serif;
    color: var(--ink);
    background: var(--white);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
  }
  .mono { font-family: 'IBM Plex Mono', monospace; }
  a { color: inherit; text-decoration: none; }
  img { display: block; max-width: 100%; }
  .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
  .eyebrow {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
    color: var(--accent); font-weight: 500;
  }
  .section-pad { padding: 104px 0; }

  /* ---------- Header ---------- */
  header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255,255,255,.86);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line-soft);
  }
  .nav { display: flex; align-items: center; justify-content: space-between; height: 74px; }
  .brand { display: flex; align-items: center; gap: 12px; }
  .brand-mark {
    width: 42px; height: 42px; flex: none;
    border: 1.5px solid var(--navy); border-radius: 3px;
    display: grid; place-items: center; position: relative;
    background: var(--navy);
  }
  .brand-mark svg { width: 24px; height: 24px; }
  .brand-name { font-weight: 700; font-size: 17px; letter-spacing: -.01em; line-height: 1.05; }
  .brand-name span { display: block; font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: .18em; color: var(--mist); font-weight: 400; }
  .nav-links { display: flex; align-items: center; gap: 34px; }
  .nav-links a.navlink { font-size: 14.5px; color: var(--slate); font-weight: 500; transition: color .15s; }
  .nav-links a.navlink:hover { color: var(--ink); }
  .btn {
    display: inline-flex; align-items: center; gap: 9px;
    font-family: 'Space Grotesk', sans-serif; font-weight: 600; font-size: 14.5px;
    padding: 12px 20px; border-radius: 4px; cursor: pointer; border: 1.5px solid transparent;
    transition: transform .12s, box-shadow .15s, background .15s;
  }
  .btn-primary { background: var(--accent); color: #fff; box-shadow: 0 1px 0 var(--accent-deep); }
  .btn-primary:hover { background: var(--accent-deep); transform: translateY(-1px); }
  .btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
  .btn-ghost:hover { border-color: var(--slate); }
  .btn-dark { background: var(--navy); color: #fff; }
  .btn-dark:hover { background: var(--ink); transform: translateY(-1px); }
  .menu-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 4px; padding: 9px 11px; cursor: pointer; }
  .menu-toggle svg { width: 20px; height: 20px; display: block; }

  /* ---------- Hero ---------- */
  .hero { position: relative; overflow: hidden; background: var(--navy); color: #fff; }
  .hero-grid {
    position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: radial-gradient(ellipse 90% 80% at 70% 30%, #000 30%, transparent 80%);
  }
  .hero-inner { position: relative; display: block; max-width: 760px; padding-top: 96px; padding-bottom: 104px; }
  .hero h1 { font-size: clamp(38px, 5vw, 62px); line-height: 1.03; letter-spacing: -.025em; font-weight: 600; margin: 22px 0 22px; }
  .hero h1 em { font-style: normal; color: #7fb2ff; }
  .hero p.lede { font-size: 18.5px; color: #c2d2e0; max-width: 30em; margin-bottom: 34px; }
  .hero-eyebrow { color: #7fb2ff; }
  .hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
  .phone-pill {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: 'IBM Plex Mono', monospace; font-size: 13px; color: #cdfbe1;
  }
  .phone-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: #36d399; box-shadow: 0 0 0 4px rgba(54,211,153,.18); }
  .hero-meta { margin-top: 40px; display: flex; gap: 30px; flex-wrap: wrap; }
  .hero-meta .item { border-left: 2px solid rgba(127,178,255,.5); padding-left: 14px; }
  .hero-meta .num { font-family: 'IBM Plex Mono', monospace; font-size: 22px; color: #fff; font-weight: 500; }
  .hero-meta .lbl { font-size: 12.5px; color: #98aec2; }

  /* hero visual — USGS 7.5' quadrangle excerpt */
  .hero-card {
    position: relative; border: 1px solid rgba(255,255,255,.22); border-radius: 8px;
    background: #f1ead9;
    overflow: hidden; aspect-ratio: 4 / 4.4;
    box-shadow: 0 30px 60px -30px rgba(0,0,0,.6);
  }
  .quad { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
  .hero-card-tag {
    position: absolute; left: 0; bottom: 0; right: 0;
    font-family: 'IBM Plex Mono', monospace; font-size: 10.5px; color: #5b4a32;
    display: flex; justify-content: space-between; align-items: center;
    background: rgba(241,234,217,.92); border-top: 1px solid #c9bd9f;
    padding: 9px 14px; letter-spacing: .02em;
  }

  /* ---------- Trust strip ---------- */
  .trust { background: var(--ink); color: #cdd9e4; border-top: 1px solid rgba(255,255,255,.06); }
  .trust .wrap { display: flex; flex-wrap: wrap; gap: 14px 64px; align-items: center; justify-content: center; padding: 22px 32px; }
  .trust .t-item { display: flex; align-items: center; gap: 11px; font-size: 14px; }
  .trust .t-item svg { width: 18px; height: 18px; color: #7fb2ff; flex: none; }
  .trust .mono { color: #8198ab; font-size: 12.5px; letter-spacing: .04em; }

  /* ---------- Section heading ---------- */
  .sec-head { max-width: none; margin-bottom: 56px; }
  .sec-head h2 { font-size: clamp(28px, 3.4vw, 42px); letter-spacing: -.02em; line-height: 1.08; font-weight: 600; margin: 14px 0 16px; }
  .sec-head p { font-size: 17.5px; color: var(--slate); }

  /* ---------- Services ---------- */
  #services { background: var(--paper); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
  .svc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .svc {
    background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--accent);
    border-radius: 0 8px 8px 0; padding: 24px 26px; display: flex; gap: 18px;
    transition: transform .16s, box-shadow .16s;
  }
  .svc:hover { transform: translateX(3px); box-shadow: 0 12px 26px -18px rgba(14,27,42,.4); }
  .svc .ic { width: 28px; height: 28px; color: var(--accent); flex: none; margin-top: 3px; }
  .svc h3 { font-family: 'Libre Franklin', sans-serif; font-size: 18px; letter-spacing: -.01em; margin-bottom: 6px; font-weight: 600; }
  .svc p { font-family: 'Libre Franklin', sans-serif; font-size: 14px; color: var(--slate); line-height: 1.5; }
  .svc.svc-cta { flex-direction: column; gap: 8px; justify-content: center; background: var(--navy); border-color: var(--navy); border-left-color: #7fb2ff; color: #fff; }
  .svc.svc-cta:hover { transform: none; box-shadow: 0 16px 30px -20px rgba(0,0,0,.5); }

  /* ---------- Audience ---------- */
  .aud-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 16px; margin-top: 8px; }
  .aud { border: 1px solid var(--line); border-radius: 6px; padding: 20px 18px; background: #fff; }
  .aud svg { width: 24px; height: 24px; color: var(--navy-2); margin-bottom: 12px; }
  .aud h4 { font-family: 'Libre Franklin', sans-serif; font-size: 15px; font-weight: 600; margin-bottom: 4px; }
  .aud p { font-family: 'Libre Franklin', sans-serif; font-size: 13px; color: var(--mist); }

  /* ---------- Process ---------- */
  #process { background: var(--navy); color: #fff; position: relative; overflow: hidden; }
  #process .hero-grid { mask-image: radial-gradient(ellipse 80% 90% at 20% 20%, #000 20%, transparent 75%); }
  .proc-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 28px; position: relative; }
  .proc { position: relative; padding-top: 30px; }
  .proc::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: rgba(127,178,255,.28); }
  .proc::after { content: ''; position: absolute; top: -4px; left: 0; width: 10px; height: 10px; border-radius: 50%; background: #7fb2ff; }
  .proc .step { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: #7fb2ff; letter-spacing: .14em; }
  .proc h3 { font-size: 20px; margin: 12px 0 9px; font-weight: 600; }
  .proc p { font-size: 14.5px; color: #b3c6d6; }

  /* ---------- About ---------- */
  .about-grid { display: block; max-width: 760px; }
  .about-photo { position: relative; }
  .ph { position: relative; background:
      repeating-linear-gradient(135deg, #e9eef3 0 11px, #f4f7f9 11px 22px);
    border: 1px solid var(--line); border-radius: 8px; display: grid; place-items: center; overflow: hidden; }
  .ph .ph-lbl { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--mist); letter-spacing: .08em; text-align: center; padding: 12px 16px; background: rgba(255,255,255,.7); border: 1px dashed var(--line); border-radius: 4px; }
  .about-photo .ph { aspect-ratio: 4/5; }
  .about-badge {
    position: absolute; bottom: -18px; right: -18px; background: var(--navy); color: #fff;
    border-radius: 8px; padding: 16px 20px; box-shadow: 0 16px 30px -16px rgba(0,0,0,.5);
  }
  .about-badge .pls { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: #7fb2ff; letter-spacing: .12em; }
  .about-badge .nm { font-size: 18px; font-weight: 600; }
  .about h2 { font-size: clamp(28px,3.4vw,40px); letter-spacing: -.02em; line-height: 1.1; margin: 14px 0 20px; font-weight: 600; }
  .about p { font-size: 16.5px; color: var(--slate); margin-bottom: 16px; max-width: 36em; }
  .cred-list { list-style: none; margin-top: 24px; display: grid; gap: 12px; }
  .cred-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; }
  .cred-list svg { width: 19px; height: 19px; color: var(--accent); flex: none; margin-top: 2px; }

  /* ---------- Areas ---------- */
  #areas { background: var(--paper); border-top: 1px solid var(--line-soft); }
  .areas-grid { display: block; }
  .area-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; margin-top: 26px; }
  .area-row { display: flex; align-items: center; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 18px 22px; transition: .15s; }
  .area-row:hover { border-color: var(--accent); transform: translateX(3px); }
  .area-row .pin { width: 38px; height: 38px; flex: none; border-radius: 50%; display: grid; place-items: center; background: #eaf2fe; color: var(--accent); }
  .area-row .pin svg { width: 19px; height: 19px; }
  .area-row h4 { font-size: 16.5px; font-weight: 600; }
  .area-row .coord { margin-left: auto; font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--mist); }
  .map-ph { aspect-ratio: 1/1; }
  .map-ph.ph { background:
      linear-gradient(rgba(74,96,117,.10) 1px, transparent 1px),
      linear-gradient(90deg, rgba(74,96,117,.10) 1px, transparent 1px),
      repeating-linear-gradient(135deg, #eef2f6 0 11px, #f6f9fb 11px 22px);
    background-size: 32px 32px, 32px 32px, auto; }

  /* ---------- Testimonials ---------- */
  .quote-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
  .quote { border: 1px solid var(--line); border-radius: 8px; padding: 30px 28px; background: #fff; display: flex; flex-direction: column; }
  .quote .mark { font-family: 'IBM Plex Mono', monospace; color: var(--accent); font-size: 30px; line-height: 1; margin-bottom: 12px; }
  .quote p { font-size: 15.5px; color: var(--ink); line-height: 1.55; margin-bottom: 22px; }
  .quote .by { margin-top: auto; display: flex; align-items: center; gap: 12px; border-top: 1px solid var(--line-soft); padding-top: 16px; }
  .quote .av { width: 40px; height: 40px; border-radius: 50%; background: var(--paper); border: 1px solid var(--line); display: grid; place-items: center; font-family: 'IBM Plex Mono', monospace; font-size: 13px; color: var(--slate); }
  .quote .by .n { font-size: 14.5px; font-weight: 600; }
  .quote .by .r { font-size: 12.5px; color: var(--mist); }

  /* ---------- Quote / Contact ---------- */
  #contact { background: var(--ink); color: #fff; position: relative; overflow: hidden; }
  #contact .hero-grid { mask-image: radial-gradient(ellipse 70% 90% at 85% 50%, #000 10%, transparent 70%); }
  .contact-grid { display: block; position: relative; }
  .contact-left h2 { font-size: clamp(30px,3.6vw,46px); letter-spacing: -.02em; line-height: 1.06; margin: 16px 0 18px; font-weight: 600; }
  .contact-left p { color: #aebfce; font-size: 17px; max-width: 30em; margin-bottom: 34px; }
  .contact-cards { display: grid; gap: 14px; max-width: 380px; }
  .cc { display: flex; align-items: center; gap: 16px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12); border-radius: 8px; padding: 18px 20px; transition: .15s; }
  .cc:hover { background: rgba(255,255,255,.09); border-color: rgba(127,178,255,.5); }
  .cc .ic { width: 44px; height: 44px; flex: none; border-radius: 8px; background: var(--accent); display: grid; place-items: center; }
  .cc .ic svg { width: 21px; height: 21px; color: #fff; }
  .cc .lbl { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: #8fb6da; letter-spacing: .12em; text-transform: uppercase; }
  .cc .val { font-size: 17px; font-weight: 600; }
  .form-card { background: #fff; border-radius: 10px; padding: 32px; color: var(--ink); box-shadow: 0 30px 60px -30px rgba(0,0,0,.5); }
  .form-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 4px; }
  .form-card .sub { font-size: 13.5px; color: var(--mist); margin-bottom: 22px; }
  .field { margin-bottom: 15px; }
  .field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--slate); margin-bottom: 6px; font-family: 'IBM Plex Mono', monospace; letter-spacing: .03em; }
  .field input, .field select, .field textarea {
    width: 100%; font-family: 'Space Grotesk', sans-serif; font-size: 15px; color: var(--ink);
    padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 6px; background: #fbfdfe; transition: .15s;
  }
  .field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3px rgba(31,111,235,.12); }
  .field textarea { resize: vertical; min-height: 92px; }
  .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .form-card button { width: 100%; justify-content: center; margin-top: 6px; }
  .form-note { font-size: 12px; color: var(--mist); text-align: center; margin-top: 12px; }
  .form-success { display: none; text-align: center; padding: 24px 8px; }
  .form-success.show { display: block; }
  .form-success svg { width: 48px; height: 48px; color: #1f9d57; margin: 0 auto 14px; }
  .form-success h3 { font-size: 21px; margin-bottom: 8px; }
  .form-success p { color: var(--slate); font-size: 15px; }

  /* ---------- Footer ---------- */
  footer { background: #0a141f; color: #8198ab; padding: 56px 0 30px; }
  .foot-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .foot-brand .brand-name { color: #fff; }
  .foot-brand p { margin-top: 16px; font-size: 14px; max-width: 30em; }
  .foot-col h5 { font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: #5f7488; margin-bottom: 16px; }
  .foot-col a, .foot-col p { display: block; font-size: 14px; color: #aebfce; margin-bottom: 10px; }
  .foot-col a:hover { color: #fff; }
  .foot-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 24px; font-size: 12.5px; }
  .foot-bottom .lic { font-family: 'IBM Plex Mono', monospace; color: #7fb2ff; }

  /* reveal */
  .reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
  .reveal.in { opacity: 1; transform: none; }

  @media (max-width: 940px) {
    .hero-inner, .about-grid, .areas-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero-card { max-width: 380px; display: none; }
    .svc-grid { grid-template-columns: repeat(2,1fr); }
    .proc-grid { grid-template-columns: repeat(2,1fr); }
    .aud-grid { grid-template-columns: repeat(2,1fr); }
    .quote-grid { grid-template-columns: 1fr; }
    .foot-top { grid-template-columns: 1fr 1fr; }
    .about-photo { max-width: 360px; }
  }
  @media (max-width: 640px) {
    .wrap { padding: 0 26px; }
    .section-pad { padding: 72px 0; }
    .nav-links { display: none; }
    .menu-toggle { display: block; }
    .hero-card { display: none; }
    .hero-card { display: none; }
    .svc-grid, .aud-grid, .proc-grid { grid-template-columns: 1fr; }
    .area-list { grid-template-columns: 1fr; }
    .aud svg { display: none; }
    .row2 { grid-template-columns: 1fr; }
    .hero-meta { gap: 20px; }
    .mobile-open .nav-links {
      display: flex; position: absolute; top: 74px; left: 0; right: 0; flex-direction: column;
      background: #fff; border-bottom: 1px solid var(--line); padding: 18px 20px; gap: 16px; align-items: flex-start;
    }
  }