/* ============================================================
   Eastern Engineering Group — easteng.ca
   Design system: drafting-sheet discipline.
   Display: Barlow Condensed · Body: IBM Plex Sans · Labels: IBM Plex Mono
   ============================================================ */

:root{
  --ink:#14243B;          /* deep text navy */
  --navy:#1F3A5F;         /* EE brand navy */
  --blue:#2E75B6;         /* EE brand accent */
  --light:#DEEAF6;        /* EE light blue tint */
  --pale:#EFF5FB;         /* EE pale blue section bg */
  --paper:#FFFFFF;
  --flag:#E8642C;         /* surveyor's flagging orange — CTA only */
  --flag-dark:#C94F1D;
  --line:rgba(31,58,95,.18);   /* hairline, drawing frame */
  --line-strong:rgba(31,58,95,.45);
  --mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
  --sans:'IBM Plex Sans',-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  --disp:'Barlow Condensed','Arial Narrow',sans-serif;
  --max:1140px;
  --r:2px;                /* near-square corners: drawing sheet, not app */
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  font-size:1.0625rem;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:var(--blue)}
a:hover{color:var(--navy)}
:focus-visible{outline:3px solid var(--flag);outline-offset:2px}

.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;
  padding:.6rem 1rem;z-index:200;font-family:var(--mono);font-size:.85rem;
}
.skip-link:focus{left:0}

.container{max-width:var(--max);margin:0 auto;padding:0 1.25rem}

/* ---------- typography ---------- */
h1,h2,h3{font-family:var(--disp);text-transform:uppercase;letter-spacing:.01em;line-height:1.08;color:var(--navy);font-weight:700}
h1{font-size:clamp(2.5rem,6vw,4.25rem)}
h2{font-size:clamp(1.9rem,4vw,2.75rem)}
h3{font-size:clamp(1.3rem,2.4vw,1.6rem)}
p{margin-bottom:1rem}
.lede{font-size:clamp(1.1rem,2vw,1.3rem);color:#3A4E69;max-width:62ch}

/* ---------- signature: drawing-sheet labels ---------- */
.eyebrow{
  font-family:var(--mono);font-size:.8rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--blue);
  display:flex;align-items:center;gap:.75rem;margin-bottom:1rem;
}
.eyebrow::after{content:'';flex:1;height:1px;background:var(--line);min-width:3rem}
.eyebrow .sheet{color:var(--navy);background:var(--light);padding:.1rem .5rem;border:1px solid var(--line)}

.dim-line{ /* dimension line under hero headline */
  display:flex;align-items:center;gap:.6rem;margin:1.4rem 0 0;
  font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;color:var(--light);
}
.dim-line::before,.dim-line::after{
  content:'';flex:1;height:1px;background:rgba(222,234,246,.5);position:relative;
}
.dim-line span{white-space:nowrap}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:var(--paper);
  border-bottom:1px solid var(--line);
}
.topbar{
  background:var(--navy);color:var(--light);
  font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;
}
.topbar .container{display:flex;justify-content:space-between;gap:1rem;padding-top:.35rem;padding-bottom:.35rem}
.topbar a{color:#fff;text-decoration:none}
.topbar a:hover{text-decoration:underline;color:#fff}
.topbar .right{display:flex;align-items:center;gap:1.25rem}
/* subtle "Start a Project" pill in the top bar — outlined in CTA orange, fills on hover */
.topbar-cta{
  border:1px solid var(--flag);border-radius:var(--r);
  padding:.12rem .6rem;color:#fff;font-weight:600;
  white-space:nowrap;line-height:1.4;transition:background .15s,color .15s;
}
.topbar-cta:hover{background:var(--flag);color:#fff;text-decoration:none}
@media(max-width:680px){.topbar .right span.hours{display:none}}

.navwrap{display:flex;align-items:center;justify-content:space-between;padding:.7rem 1.25rem;max-width:var(--max);margin:0 auto}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none}
.brand .logo{display:block;width:210px;height:auto;flex-shrink:0}
@media(max-width:680px){.brand .logo{width:160px}}

.nav-toggle{
  display:none;background:none;border:1px solid var(--line-strong);border-radius:var(--r);
  padding:.45rem .6rem;cursor:pointer;color:var(--navy)
}
.nav-toggle svg{width:22px;height:22px}

.site-nav ul{display:flex;gap:0;list-style:none;align-items:center}
.site-nav a{
  display:block;padding:.55rem .5rem;text-decoration:none;color:var(--ink);white-space:nowrap;
  font-family:var(--disp);text-transform:uppercase;font-size:.92rem;letter-spacing:.03em;border-radius:var(--r);
}
.site-nav a:hover{background:var(--pale);color:var(--navy)}
.site-nav a[aria-current="page"]{box-shadow:inset 0 -3px 0 var(--blue);color:var(--navy)}
.site-nav .cta-link a{background:var(--flag);color:#fff;font-weight:600}
.site-nav .cta-link a:hover{background:var(--flag-dark);color:#fff}

/* services dropdown (CSS-only on desktop, expanded inline on mobile) */
.has-sub{position:relative}
.has-sub>a::after{content:' ▾';font-size:.75em}
.sub{
  position:absolute;left:0;top:100%;background:var(--paper);border:1px solid var(--line);
  min-width:240px;display:none;list-style:none;box-shadow:0 10px 24px rgba(20,36,59,.12);z-index:50;
}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:block}
.sub a{font-family:var(--sans);text-transform:none;font-size:.95rem;letter-spacing:0;padding:.6rem .9rem}

/* collapse to the hamburger while the full-text logo + nav can't share a row */
@media(max-width:1100px){
  .nav-toggle{display:block}
  .site-nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 14px 28px rgba(20,36,59,.14)}
  .site-nav.open{display:block}
  .site-nav ul{flex-direction:column;align-items:stretch;gap:0;padding:.5rem 0}
  .site-nav a{padding:.8rem 1.25rem;border-radius:0}
  .sub{position:static;display:block;border:none;box-shadow:none;background:var(--pale)}
  .sub a{padding-left:2.2rem}
  .has-sub>a::after{content:''}
}

/* ---------- hero ---------- */
.hero{
  background:
    linear-gradient(rgba(20,36,59,.06),rgba(20,36,59,.06)),
    repeating-linear-gradient(0deg,transparent 0 39px,rgba(222,234,246,.10) 39px 40px),
    repeating-linear-gradient(90deg,transparent 0 39px,rgba(222,234,246,.10) 39px 40px),
    linear-gradient(160deg,#1B3457 0%,var(--navy) 55%,#27496F 100%);
  color:#fff;padding:5.5rem 0 4.5rem;border-bottom:4px solid var(--blue);
}
.hero h1{color:#fff;max-width:18ch}
.hero .eyebrow{color:var(--light)}
.hero .eyebrow::after{background:rgba(222,234,246,.4)}
.hero .eyebrow .sheet{color:#fff;background:rgba(46,117,182,.35);border-color:rgba(222,234,246,.4)}
.hero p.lede{color:var(--light);margin-top:1.2rem}
.hero-ctas{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}

.btn{
  display:inline-block;padding:.85rem 1.6rem;border-radius:var(--r);text-decoration:none;
  font-family:var(--disp);text-transform:uppercase;font-size:1.1rem;letter-spacing:.05em;font-weight:600;
  border:1px solid transparent;
}
.btn-flag{background:var(--flag);color:#fff}
.btn-flag:hover{background:var(--flag-dark);color:#fff}
.btn-ghost{border-color:rgba(222,234,246,.6);color:#fff}
.btn-ghost:hover{background:rgba(222,234,246,.12);color:#fff}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:#16304F;color:#fff}

/* stat strip */
.stat-strip{background:var(--pale);border-bottom:1px solid var(--line)}
.stat-strip .container{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:1.4rem 1rem;border-left:1px solid var(--line)}
.stat:first-child{border-left:none}
.stat b{display:block;font-family:var(--disp);font-size:2rem;color:var(--navy);line-height:1.05}
.stat span{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:#46618A}
@media(max-width:760px){
  .stat-strip .container{grid-template-columns:1fr 1fr}
  .stat:nth-child(3){border-left:none}
}

/* ---------- sections ---------- */
.section{padding:4.5rem 0}
.section.tint{background:var(--pale);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:2.5rem}

/* service cards */
.grid{display:grid;gap:1.4rem}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:980px){.grid.cols-4{grid-template-columns:1fr 1fr}}
@media(max-width:880px){.grid.cols-3{grid-template-columns:1fr}}
@media(max-width:640px){.grid.cols-4,.grid.cols-2{grid-template-columns:1fr}}

.card{
  border:1px solid var(--line);border-radius:var(--r);background:var(--paper);
  padding:1.6rem 1.5rem;display:flex;flex-direction:column;gap:.7rem;position:relative;
}
.card::before{ /* sheet corner tick */
  content:'';position:absolute;top:0;left:0;width:34px;height:34px;
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--pale);
}
.card .icon{width:46px;height:46px;color:var(--blue);margin-left:auto}
.card .num{font-family:var(--mono);font-size:.72rem;color:var(--blue);position:absolute;top:.45rem;left:.55rem;letter-spacing:.08em}
.card h3 a{color:var(--navy);text-decoration:none}
.card h3 a:hover{color:var(--blue)}
.card ul{list-style:none;margin:0 0 .4rem}
.card ul li{padding-left:1.1rem;position:relative;font-size:.95rem;margin-bottom:.3rem}
.card ul li::before{content:'';position:absolute;left:0;top:.55em;width:.55rem;height:.55rem;background:var(--light);border:1px solid var(--blue)}
.card .more{margin-top:auto;font-family:var(--mono);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;text-decoration:none}
.card .more:hover{text-decoration:underline}
.card:hover{border-color:var(--blue);box-shadow:0 8px 22px rgba(31,58,95,.10)}

/* checklist + two-col */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:start}
@media(max-width:880px){.split{grid-template-columns:1fr}}
.checklist{list-style:none}
.checklist li{padding:.55rem 0 .55rem 2rem;position:relative;border-bottom:1px solid var(--line)}
.checklist li::before{
  content:'✓';position:absolute;left:.2rem;top:.55rem;color:var(--blue);
  font-weight:700;font-family:var(--mono);
}

/* spec panel — title-block style aside */
.spec{
  border:1px solid var(--line-strong);border-radius:var(--r);overflow:hidden;background:var(--paper);
}
.spec header{
  background:var(--navy);color:#fff;font-family:var(--mono);font-size:.78rem;
  letter-spacing:.12em;text-transform:uppercase;padding:.55rem .9rem;
}
.spec .row{display:grid;grid-template-columns:38% 62%;border-top:1px solid var(--line)}
.spec .row:first-of-type{border-top:none}
.spec .row dt{font-family:var(--mono);font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:#46618A;padding:.6rem .9rem;background:var(--pale);border-right:1px solid var(--line)}
.spec .row dd{padding:.6rem .9rem;font-size:.95rem}

/* areas served */
.areas{display:flex;flex-wrap:wrap;gap:.6rem;list-style:none}
.areas a{
  display:inline-block;border:1px solid var(--line-strong);border-radius:var(--r);
  padding:.45rem 1rem;text-decoration:none;color:var(--navy);font-family:var(--mono);
  font-size:.85rem;letter-spacing:.05em;background:var(--paper);
}
.areas a:hover{background:var(--navy);color:#fff;border-color:var(--navy)}

/* CTA band */
.cta-band{
  background:linear-gradient(135deg,var(--navy),#27496F);color:#fff;
  padding:3.5rem 0;border-top:4px solid var(--flag);
}
.cta-band h2{color:#fff}
.cta-band p{color:var(--light);max-width:60ch}
.cta-band .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.5rem}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:var(--r);margin-bottom:.7rem;background:var(--paper)}
.faq summary{
  cursor:pointer;padding:1rem 1.2rem;font-family:var(--disp);text-transform:uppercase;
  font-size:1.12rem;color:var(--navy);letter-spacing:.03em;list-style:none;display:flex;justify-content:space-between;gap:1rem;
}
.faq summary::after{content:'+';font-family:var(--mono);color:var(--blue)}
.faq details[open] summary::after{content:'–'}
.faq details>div{padding:0 1.2rem 1.1rem;font-size:.98rem}

/* breadcrumbs */
.crumbs{font-family:var(--mono);font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:1.2rem}
.crumbs a{text-decoration:none}
.crumbs span{color:#6B7E99}

/* interior page hero */
.page-hero{
  background:
    repeating-linear-gradient(0deg,transparent 0 39px,rgba(31,58,95,.05) 39px 40px),
    repeating-linear-gradient(90deg,transparent 0 39px,rgba(31,58,95,.05) 39px 40px),
    var(--pale);
  padding:3.5rem 0 3rem;border-bottom:1px solid var(--line);
}
.page-hero h1{max-width:22ch}
.page-hero .lede{margin-top:1rem}

/* portfolio sectors */
.sector{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--paper)}
.sector .ph{
  aspect-ratio:16/9;background:
    repeating-linear-gradient(45deg,var(--pale) 0 14px,var(--light) 14px 28px);
  display:grid;place-items:center;color:var(--navy);
  font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;
  border-bottom:1px solid var(--line);
}
.sector .body{padding:1.2rem 1.3rem}

/* contact form */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-grid .full{grid-column:1/-1}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}
label{display:block;font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:#46618A;margin-bottom:.35rem}
input,select,textarea{
  width:100%;padding:.7rem .8rem;border:1px solid var(--line-strong);border-radius:var(--r);
  font-family:var(--sans);font-size:1rem;background:var(--paper);color:var(--ink);
}
input:focus,select:focus,textarea:focus{outline:3px solid var(--flag);outline-offset:1px;border-color:var(--blue)}

/* ---------- footer: the title block ---------- */
.site-footer{background:var(--navy);color:var(--light);margin-top:0}
.tblock{
  max-width:var(--max);margin:0 auto;border-left:1px solid rgba(222,234,246,.25);
  border-right:1px solid rgba(222,234,246,.25);
}
.tblock-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr}
.tcell{padding:1.6rem 1.4rem;border-left:1px solid rgba(222,234,246,.25)}
.tcell:first-child{border-left:none}
.tcell h4{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  color:#9FC0E4;margin-bottom:.8rem;border-bottom:1px solid rgba(222,234,246,.25);padding-bottom:.45rem;
}
.tcell p,.tcell li{font-size:.92rem;line-height:1.6}
.tcell ul{list-style:none}
.tcell a{color:#fff;text-decoration:none}
.tcell a:hover{text-decoration:underline}
.tcell .brandline{font-family:var(--disp);text-transform:uppercase;font-size:1.4rem;color:#fff;line-height:1.1}
@media(max-width:880px){.tblock-grid{grid-template-columns:1fr 1fr}.tcell:nth-child(3){border-left:none}}
@media(max-width:560px){.tblock-grid{grid-template-columns:1fr}.tcell{border-left:none;border-top:1px solid rgba(222,234,246,.25)}.tcell:first-child{border-top:none}}

.tblock-meta{
  display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(222,234,246,.25);
  font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:#9FC0E4;
}
.tblock-meta div{padding:.6rem 1.4rem;border-left:1px solid rgba(222,234,246,.25)}
.tblock-meta div:first-child{border-left:none}
.tblock-meta b{color:#fff;font-weight:500;display:block}
@media(max-width:880px){.tblock-meta{grid-template-columns:1fr 1fr}.tblock-meta div:nth-child(3){border-left:none}}

.footer-base{
  border-top:1px solid rgba(222,234,246,.25);
  font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;color:#9FC0E4;
}
.footer-base .container{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem;padding-top:.9rem;padding-bottom:.9rem}
.footer-base a{color:#fff;text-decoration:none}
.footer-base a:hover{text-decoration:underline}

/* tables (about/standards) */
.note{
  border-left:4px solid var(--blue);background:var(--pale);padding:1rem 1.2rem;
  font-size:.95rem;border-radius:var(--r);margin:1.4rem 0;
}

/* ===== Animated hero (Claude Design handoff) ===== */
.hero.hero--animated{padding:0;min-height:0;background:#04101F;border:0}
.hero--animated .hero-link{display:block;text-decoration:none;cursor:pointer}
/* 16:9 wrapper; iframe is 46px taller and clipped to hide the playback bar */
.hero-embed{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:#04101F}
.hero-frame{position:absolute;inset:0;width:100%;height:calc(100% + 46px);border:0;display:block;pointer-events:none}
/* real H1/lede present for SEO; visually hidden on desktop (the animation shows it) */
.hero-fallback{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* on phones the fixed 1920x1080 animation would be illegible — show a real text hero instead */
@media(max-width:719px){
  .hero-embed{display:none}
  .hero-fallback{position:static;width:auto;height:auto;margin:0 auto;clip:auto;white-space:normal;
    max-width:var(--max);padding:2.4rem 1.25rem;background:var(--pale)}
  .hero-fallback .eyebrow-mono{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;
    text-transform:uppercase;color:var(--blue);margin:0 0 .5rem}
  .hero-fallback h1{font-family:var(--disp);font-size:2.1rem;line-height:1.04;color:var(--ink);margin:0 0 .6rem}
  .hero-fallback .lede{color:var(--navy);margin:0 0 1.1rem;max-width:52ch}
}