/* ============================================================
   Anthony-Johnson Consulting Engineer
   Design tokens
   Palette: Drawing paper + ink + structural-steel blue + ochre
   ============================================================ */
:root{
  --paper:#f3f1ec;        /* drawing paper */
  --paper-2:#e9e6dd;      /* gridline tint */
  --ink:#1b1d22;          /* drawing ink */
  --ink-soft:#4a4e57;     /* secondary text */
  --steel:#2f5a72;        /* structural steel blue */
  --steel-deep:#1f3d4f;
  --ochre:#c2772e;        /* drawing annotation / load arrows */
  --line:#c9c5ba;         /* hairline rules */
  --white:#ffffff;
  --maxw:1180px;

  --display:Arial,Helvetica,sans-serif;
  --body:Arial,Helvetica,sans-serif;
  --mono:Arial,Helvetica,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* Blueprint gridlines behind everything */
body::before{
  content:"";
  position:fixed;inset:0;
  background-image:
    linear-gradient(var(--paper-2) 1px,transparent 1px),
    linear-gradient(90deg,var(--paper-2) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.55;
  pointer-events:none;
  z-index:0;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;position:relative;z-index:1}

/* ---------------- Header ---------------- */
.site-head{
  position:sticky;top:0;z-index:50;
  background:rgba(243,241,236,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.head-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--display)}
.brand .mark{width:34px;height:34px;flex:none}
.wordmark b{display:block;font-family:var(--body);font-weight:700;font-size:1.04rem;
  letter-spacing:.02em;line-height:1.05;text-transform:uppercase;color:var(--ink)}
.wordmark span{display:block;font-family:var(--body);font-weight:400;font-size:.82rem;
  letter-spacing:.01em;color:var(--ink-soft);margin-top:2px;text-transform:none}
nav.main a{
  font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-soft);margin-left:28px;padding:6px 0;position:relative;transition:color .2s
}
nav.main a:hover,nav.main a[aria-current]{color:var(--ink)}
nav.main a[aria-current]::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--ochre)
}
.nav-toggle{display:none;background:none;border:1px solid var(--line);
  width:42px;height:42px;border-radius:4px;cursor:pointer;color:var(--ink)}

/* ---------------- Generic section ---------------- */
section{position:relative;z-index:1}
.pad{padding:84px 0}
.eyebrow{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--steel);display:flex;align-items:center;gap:12px;margin-bottom:20px
}
.eyebrow::before{content:"";width:30px;height:1px;background:var(--ochre)}
h1,h2,h3{font-family:var(--display);font-weight:500;letter-spacing:-.01em;line-height:1.08}
h2{font-size:clamp(1.9rem,4vw,2.9rem);margin-bottom:18px}
.lead{font-size:1.16rem;color:var(--ink-soft);max-width:60ch}

/* ---------------- Hero ---------------- */
.hero{padding:72px 0 60px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem)}
.hero h1 em{font-style:normal;color:var(--steel)}
.hero p.lead{margin-top:26px}
.tag{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-soft);margin-bottom:26px;display:flex;gap:14px;flex-wrap:wrap
}
.tag span{padding:5px 12px;border:1px solid var(--line);border-radius:2px;background:var(--white)}
.cta-row{display:flex;gap:16px;flex-wrap:wrap;margin-top:38px}
.btn{
  font-family:var(--mono);font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;
  padding:15px 26px;border-radius:3px;border:1px solid var(--ink);transition:.2s;cursor:pointer
}
.btn-solid{background:var(--ink);color:var(--paper)}
.btn-solid:hover{background:var(--steel-deep);border-color:var(--steel-deep)}
.btn-ghost:hover{background:var(--white)}

/* Hero schematic drawing */
.schematic{
  background:var(--white);border:1px solid var(--line);border-radius:6px;
  padding:22px;box-shadow:0 24px 60px -34px rgba(31,61,79,.4)
}
.schematic .cap{display:flex;justify-content:space-between;font-family:var(--mono);
  font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);
  margin-top:14px;border-top:1px solid var(--line);padding-top:10px}

/* ---------------- Stats ---------------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:34px 26px;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat b{font-family:var(--display);font-size:2.6rem;display:block;line-height:1;color:var(--steel)}
.stat span{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-soft);display:block;margin-top:10px}

/* ---------------- Services ---------------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line)}
.svc{background:var(--paper);padding:34px 30px;transition:background .2s}
.svc:hover{background:var(--white)}
.svc .no{font-family:var(--mono);font-size:.72rem;color:var(--ochre);letter-spacing:.1em}
.svc h3{font-size:1.32rem;margin:14px 0 12px}
.svc p{color:var(--ink-soft);font-size:.97rem}

/* ---------------- Split / about-on-home ---------------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.kv{list-style:none;margin-top:26px;border-top:1px solid var(--line)}
.kv li{display:flex;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}
.kv b{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--steel);min-width:130px;padding-top:3px}
.kv span{color:var(--ink-soft)}

/* Coverage band */
.band{background:var(--steel-deep);color:var(--paper)}
.band .eyebrow{color:#9fc3d4}
.band .eyebrow::before{background:var(--ochre)}
.band h2{color:var(--white)}
.band .lead{color:#cdd8de}
.region{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.region span{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;
  padding:8px 16px;border:1px solid rgba(255,255,255,.22);border-radius:2px}

/* ---------------- Process timeline ---------------- */
.steps{counter-reset:s;border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:90px 1fr;gap:24px;padding:26px 0;
  border-bottom:1px solid var(--line)}
.step .n{font-family:var(--mono);font-size:.82rem;color:var(--ochre);letter-spacing:.1em;padding-top:5px}
.step h3{font-size:1.24rem;margin-bottom:8px}
.step p{color:var(--ink-soft);font-size:.98rem;max-width:62ch}

/* ---------------- Contact ---------------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.cdetails{list-style:none}
.cdetails li{padding:22px 0;border-bottom:1px solid var(--line)}
.cdetails .lbl{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--steel);margin-bottom:6px;display:block}
.cdetails a,.cdetails address{font-style:normal;font-size:1.12rem;color:var(--ink)}
.cdetails a:hover{color:var(--ochre)}
.form label{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink-soft);margin:18px 0 7px}
.form input,.form textarea{width:100%;font-family:var(--body);font-size:1rem;
  padding:13px 15px;border:1px solid var(--line);border-radius:4px;background:var(--white);color:var(--ink)}
.form input:focus,.form textarea:focus{outline:2px solid var(--steel);outline-offset:1px;border-color:var(--steel)}
.form .btn{margin-top:26px;width:100%;text-align:center}

/* ---------------- About specifics ---------------- */
.creds{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);margin-top:34px}
.cred{background:var(--paper);padding:24px 26px}
.cred b{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;color:var(--ochre)}
.cred p{margin-top:8px;font-size:.98rem;color:var(--ink-soft)}
.prose p{margin-bottom:18px;color:var(--ink-soft);max-width:66ch}
.prose p strong{color:var(--ink);font-weight:600}

/* ---------------- Footer ---------------- */
.site-foot{border-top:1px solid var(--line);background:var(--paper-2);margin-top:0}
.foot-inner{display:flex;justify-content:space-between;align-items:flex-start;
  gap:40px;flex-wrap:wrap;padding:48px 0}
.foot-inner .brand b{font-size:1rem}
.foot-cols{display:flex;gap:64px;flex-wrap:wrap}
.foot-col h4{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--steel);margin-bottom:14px}
.foot-col a,.foot-col p{display:block;font-size:.92rem;color:var(--ink-soft);margin-bottom:9px}
.foot-col a:hover{color:var(--ink)}
.legal{border-top:1px solid var(--line);padding:18px 0;font-family:var(--mono);
  font-size:.66rem;letter-spacing:.08em;color:var(--ink-soft);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------------- Examples / projects ---------------- */
.project{border-top:1px solid var(--line);padding:64px 0}
.project:first-of-type{border-top:none}
.proj-head{max-width:74ch}
.proj-meta{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 4px}
.proj-meta span{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
  padding:6px 13px;border:1px solid var(--line);border-radius:2px;background:var(--white);color:var(--steel)}
.proj-meta span.loc{color:var(--ink)}
.proj-meta span.date{color:var(--ochre)}
.project h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-top:14px}
.project .sub{font-family:var(--body);font-size:1.08rem;color:var(--ink-soft);margin-top:10px;max-width:70ch}
.project .body{margin-top:22px}
.project .body p{color:var(--ink-soft);margin-bottom:15px;max-width:72ch}
.project .body p strong{color:var(--ink);font-weight:600}
.plate-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:30px}
.plate{background:var(--white);border:1px solid var(--line);border-radius:5px;padding:14px;
  box-shadow:0 16px 40px -34px rgba(31,61,79,.4)}
.plate img{width:100%;height:auto;border-radius:2px;background:var(--paper)}
.plate .cap{display:flex;justify-content:space-between;gap:10px;font-family:var(--mono);
  font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);
  margin-top:11px;border-top:1px solid var(--line);padding-top:9px}
.plate .cap b{color:var(--steel);font-weight:500}
.plate.tall{grid-column:span 1}
.proj-tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}
.proj-tags span{font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;color:var(--ink-soft);
  padding:5px 11px;border:1px dashed var(--line);border-radius:2px}
.note-band{background:var(--paper-2);border:1px solid var(--line);border-radius:5px;
  padding:22px 24px;margin-top:34px}
.note-band p{font-size:.95rem;color:var(--ink-soft);margin:0;max-width:80ch}
@media(max-width:760px){.plate-grid{grid-template-columns:1fr}}

/* ---------------- Reveal animation ---------------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------------- Responsive ---------------- */
@media(max-width:880px){
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr;gap:40px}
  .svc-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:none}
  .creds{grid-template-columns:1fr}
  nav.main{display:none;position:absolute;top:74px;left:0;right:0;background:var(--paper);
    border-bottom:1px solid var(--line);flex-direction:column;padding:14px 28px}
  nav.main.open{display:flex}
  nav.main a{margin:10px 0}
  .nav-toggle{display:block}
}
@media(max-width:560px){
  .svc-grid,.stats{grid-template-columns:1fr}
  .stat,.svc{border-right:none}
  .step{grid-template-columns:1fr;gap:6px}
}