:root{
    --bp:#14357e;          /* blueprint blue */
    --bp-deep:#0b2158;     /* deep sheet blue */
    --line:#dce9ff;        /* white linework */
    --anno:#9fc0f5;        /* annotation blue */
    --paper:#f5f8fe;       /* vellum white */
    --red:#d94a33;         /* redline markup */
    --red-lt:#ff7059;      /* redline on blue */
    --ink:#152242;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{background:var(--paper);color:var(--ink);font-family:Arial,'Helvetica Neue',Helvetica,sans-serif;font-size:16px;line-height:1.65}
  .draft{font-family:'Bahnschrift SemiCondensed','Bahnschrift','Arial Narrow',Arial,sans-serif;text-transform:uppercase;letter-spacing:.05em;font-weight:700}
  .anno{font-family:'Courier New',Courier,monospace;letter-spacing:.04em}
  .frame{max-width:1080px;margin:0 auto;padding:0 22px}
  p{margin-bottom:14px}
  a{color:var(--bp)}
  a:focus-visible,button:focus-visible{outline:3px solid var(--red);outline-offset:2px}

  /* blueprint sheet background */
  .sheet{background-color:var(--bp);color:var(--line);background-image:
    linear-gradient(rgba(220,233,255,.13) 1px,transparent 1px),
    linear-gradient(90deg,rgba(220,233,255,.13) 1px,transparent 1px),
    linear-gradient(rgba(220,233,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(220,233,255,.05) 1px,transparent 1px);
    background-size:120px 120px,120px 120px,24px 24px,24px 24px}
  /* vellum graph paper */
  .vellum{background-color:var(--paper);background-image:
    linear-gradient(rgba(20,53,126,.065) 1px,transparent 1px),
    linear-gradient(90deg,rgba(20,53,126,.065) 1px,transparent 1px);
    background-size:24px 24px}

  /* sheetbar */
  .sheetbar{background:var(--bp-deep);color:var(--anno);font-size:11.5px;padding:6px 0;border-bottom:1px solid rgba(220,233,255,.35)}
  .sheetbar .frame{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
  .sheetbar b{color:var(--line);font-weight:700}

  /* title block header */
  .tblock{border-bottom:3px double rgba(220,233,255,.7)}
  .tblock .frame{display:grid;grid-template-columns:1.25fr 1fr .95fr;align-items:stretch}
  .tb-cell{padding:20px 22px;border-left:1px solid rgba(220,233,255,.35)}
  .tb-cell:first-child{border-left:none;padding-left:0}
  .tb-cell:last-child{padding-right:0}
  .brandname{font-size:clamp(28px,4.5vw,42px);line-height:1;color:#fff}
  .brandname span{color:var(--red-lt)}
  .brandtag{font-size:12px;color:var(--anno);margin-top:8px;text-transform:uppercase;letter-spacing:.14em}
  .tb-meta{font-size:11.5px;color:var(--anno);line-height:1.9;align-self:center}
  .tb-meta b{color:var(--line);font-weight:700}
  .tb-call{text-align:center;align-self:center}
  .tb-call .lbl{font-size:11px;letter-spacing:.2em;color:var(--anno)}
  .tb-call a.phone{display:block;color:#fff;text-decoration:none;font-size:clamp(21px,2.6vw,27px);margin-top:4px;border:2px solid var(--line);padding:8px 10px}
  .tb-call a.phone:hover{border-color:var(--red-lt);color:var(--red-lt)}
  .tb-call .sub{font-size:11px;color:var(--anno);margin-top:6px}
  @media(max-width:820px){
    .tblock .frame{grid-template-columns:1fr}
    .tb-cell{border-left:none;border-top:1px dashed rgba(220,233,255,.3);padding:14px 0}
    .tb-cell:first-child{border-top:none;padding-top:20px}
    .tb-call{text-align:left}
  }

  /* hero */
  .hero{padding:54px 0 40px}
  .hero .frame{display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center}
  @media(max-width:920px){.hero .frame{grid-template-columns:1fr}}
  .hero .eyebrow{font-size:12px;color:var(--anno);letter-spacing:.14em;margin-bottom:14px}
  .hero h1{font-size:clamp(30px,4.6vw,46px);line-height:1.06;color:#fff}
  .hero h1 em{font-style:normal;color:var(--red-lt)}
  .hero .lede{font-size:17px;color:var(--line);margin-top:16px;max-width:520px}
  .cta-row{margin-top:24px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
  .btn-red{display:inline-block;background:var(--red);color:#fff;text-decoration:none;font-weight:bold;padding:14px 26px;font-size:18px;border:2px solid #fff;box-shadow:4px 4px 0 rgba(0,0,0,.28)}
  .btn-red:hover{background:#e85b44}
  .cta-fine{font-size:12px;color:var(--anno)}
  .fig{border:1.5px solid rgba(220,233,255,.55);padding:10px;position:relative}
  .fig::before,.fig::after{content:"";position:absolute;width:14px;height:14px;border:1.5px solid var(--line)}
  .fig::before{top:-8px;left:-8px;border-right:none;border-bottom:none}
  .fig::after{bottom:-8px;right:-8px;border-left:none;border-top:none}
  .fig svg{display:block;width:100%;height:auto}

  /* redline field note */
  .fieldnote{background:#fff;border-top:3px solid var(--red);border-bottom:1px solid rgba(20,53,126,.25);padding:16px 0}
  .fieldnote .frame{display:flex;gap:16px;align-items:baseline;flex-wrap:wrap}
  .fieldnote .tag{color:#fff;background:var(--red);font-size:11.5px;padding:3px 10px;letter-spacing:.12em;white-space:nowrap}
  .fieldnote p{margin:0;font-size:14.5px;max-width:860px}

  section{padding:52px 0}
  .sec-eyebrow{font-size:12px;letter-spacing:.16em;margin-bottom:8px}
  .vellum .sec-eyebrow{color:var(--red)}
  .sheet .sec-eyebrow{color:var(--anno)}
  h2{font-size:clamp(23px,3.4vw,34px);line-height:1.12;margin-bottom:14px}
  .vellum h2{color:var(--bp)}
  .sheet h2{color:#fff}
  h3{font-size:18px;margin-bottom:6px}

  /* scope of work plates */
  .plates{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:0;border:2px solid var(--bp);margin-top:26px;background:#fff}
  .plate{padding:22px 24px 20px;border-top:1px solid rgba(20,53,126,.35);border-left:1px solid rgba(20,53,126,.35);position:relative}
  .plate .dref{font-size:11px;color:var(--red);display:block;margin-bottom:8px;letter-spacing:.1em}
  .plate h3{color:var(--bp)}
  .plate p{font-size:14.5px;margin:6px 0 0;color:#3c4664}
  .plate p b{color:var(--ink)}

  /* sequence of operations */
  .seq{counter-reset:op;margin-top:26px;position:relative}
  .op{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:20px 0;border-bottom:1px dashed rgba(20,53,126,.4)}
  .op:last-child{border-bottom:none}
  .op .node{width:56px;height:56px;border:2.5px solid var(--bp);border-radius:50%;display:flex;align-items:center;justify-content:center;background:#fff;color:var(--bp);font-size:17px}
  .op h3{color:var(--bp)}
  .op p{font-size:15px;margin:4px 0 0;color:#3c4664}
  .op p b{color:var(--red)}

  /* schedules */
  .sched-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:26px}
  @media(max-width:880px){.sched-grid{grid-template-columns:1fr}}
  .sched{border:2px solid rgba(220,233,255,.75);background:rgba(11,33,88,.45)}
  .sched .cap{padding:10px 16px;border-bottom:2px solid rgba(220,233,255,.75);color:#fff;font-size:13.5px;letter-spacing:.08em}
  .sched .cap span{color:var(--red-lt)}
  .sched table{width:100%;border-collapse:collapse;font-size:13px}
  .sched td{padding:9px 16px;border-top:1px solid rgba(220,233,255,.28);vertical-align:top}
  .sched tr td:first-child{color:var(--anno);white-space:nowrap;width:41%}
  .sched tr td:last-child{color:var(--line)}
  .sched .src{padding:9px 16px;font-size:11px;color:var(--anno);border-top:1px solid rgba(220,233,255,.28)}
  .gnotes{margin-top:34px;border:1.5px solid rgba(220,233,255,.55);padding:24px 28px}
  .gnotes h3{color:#fff;letter-spacing:.1em;font-size:15px;margin-bottom:14px}
  .gnotes ol{margin-left:20px}
  .gnotes li{font-size:14.5px;color:var(--line);margin-bottom:11px;padding-left:6px}
  .gnotes li::marker{color:var(--red-lt);font-family:'Courier New',monospace;font-weight:bold}
  .gnotes li b{color:#fff}

  /* area of work */
  .area-intro{max-width:760px;font-size:15.5px}
  .area-log{width:100%;border-collapse:collapse;margin-top:22px;border:2px solid var(--bp);background:#fff;font-size:14px}
  .area-log th{background:var(--bp);color:var(--line);text-align:left;padding:9px 14px;font-size:12px;letter-spacing:.1em}
  .area-log td{padding:9px 14px;border-top:1px solid rgba(20,53,126,.3)}
  .area-log td:first-child{color:var(--red);font-size:12px;white-space:nowrap}
  .area-log td:nth-child(2){font-weight:bold;color:var(--bp)}
  .area-log td:last-child{color:#3c4664;font-size:13.5px}

  /* RFI log */
  .rfi{border:2px solid var(--bp);background:#fff;margin-top:26px}
  .rfi-item{border-top:1px solid rgba(20,53,126,.3)}
  .rfi-item:first-child{border-top:none}
  .rfi-q{display:grid;grid-template-columns:92px 1fr;gap:0;align-items:stretch}
  .rfi-q .no{background:var(--bp);color:var(--line);font-size:12px;display:flex;align-items:center;justify-content:center;padding:10px 8px}
  .rfi-q h3{color:var(--bp);font-size:16.5px;padding:12px 18px;margin:0}
  .rfi-a{padding:4px 18px 16px 18px;font-size:14.5px;color:#3c4664}
  .rfi-a p{margin-bottom:8px}
  @media(min-width:700px){.rfi-a{padding-left:110px}}

  /* stamp CTA */
  .stampcta{text-align:center;padding:64px 0}
  .stamp{display:inline-block;border:4px double var(--red-lt);color:var(--red-lt);padding:18px 34px;transform:rotate(-2deg);font-size:clamp(22px,3.4vw,34px);letter-spacing:.1em;margin-bottom:22px}
  .stampcta p{color:var(--line);max-width:540px;margin:0 auto 24px}
  .stampcta .sub{font-size:12px;color:var(--anno);margin-top:14px}

  /* footer */
  footer{background:var(--bp-deep);color:var(--anno);padding:36px 0 30px;font-size:13px;border-top:3px double rgba(220,233,255,.5)}
  footer .fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;margin-bottom:24px}
  @media(max-width:700px){footer .fgrid{grid-template-columns:1fr}}
  footer h4{color:var(--line);font-size:13px;letter-spacing:.12em;margin-bottom:10px;text-transform:uppercase}
  footer a{color:#bcd2f7;text-decoration:none}
  footer a:hover{text-decoration:underline}
  .disc{border-top:1px solid rgba(220,233,255,.25);padding-top:16px;font-size:12px;line-height:1.7}
  .microblock{margin-top:18px;border:1px solid rgba(220,233,255,.35);display:inline-block;font-size:10.5px;color:var(--anno)}
  .microblock span{display:inline-block;padding:4px 12px;border-left:1px solid rgba(220,233,255,.35)}
  .microblock span:first-child{border-left:none}

/* ==== mobile hardening (2026-08-18) ==== */
@media (max-width:430px){
  html,body{overflow-x:hidden}
  *,*::before,*::after{min-width:0}
  .wrap,.sheet,.band,section,article,header,footer,div{max-width:100%}
  table{display:block;width:100%;overflow-x:auto}
  td,th,.tab{white-space:normal}
  img,svg{max-width:100%;height:auto}
  h1,h2,h3,h4{overflow-wrap:break-word}
  a[href^="tel:"],a.btn,a.callbtn,a.phone,.cta a,.bigcta a,.stampcta a,.callchip a,.phoneplate a,.callboard a{display:inline-block;padding-top:13px;padding-bottom:13px;line-height:1.2}
  .fieldnote .tag,.microblock,.plate .dref,.sched .src,.tb-call .lbl,.tb-call .sub,.tb-meta,/* sheetbar */ .sheetbar{font-size:12.5px}
}