/* ==========================================================================
   Emerald City Industrial — shared stylesheet
   Palette: industrial charcoal/steel base, electric-blue brand accent,
   blueprint-grid motif (matches the ECI logo).
   ========================================================================== */

:root{
  --ink:        #0d1116;   /* near-black charcoal          */
  --steel-900:  #151b23;   /* section base                 */
  --steel-800:  #1c242e;   /* cards / raised surfaces      */
  --steel-700:  #263140;   /* borders / hairlines          */
  --steel-500:  #4a5b70;   /* muted lines                  */
  --fog:        #aab6c4;   /* secondary text               */
  --mist:       #e6ecf2;   /* primary text on dark         */
  --white:      #ffffff;
  --blue:       #1e73ff;   /* ECI electric blue            */
  --blue-bright:#4d94ff;
  --blue-glow:  #7db4ff;
  --spark:      #ffd36b;   /* weld-spark warm accent       */
  --maxw: 1240px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --shadow: 0 18px 50px -18px rgba(0,0,0,.65);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--mist);
  font-family:"Inter","Segoe UI",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

/* Blueprint grid background applied to the whole page behind content */
body::before{
  content:"";
  position:fixed; inset:0;
  background-image:
    linear-gradient(rgba(30,115,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(30,115,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  z-index:0; pointer-events:none;
}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,48px);position:relative;z-index:1}

/* ---- Typography ---------------------------------------------------------- */
h1,h2,h3{font-family:"Oswald","Inter",system-ui,sans-serif;font-weight:600;line-height:1.05;letter-spacing:.01em;margin:0}
h1{font-size:clamp(2.6rem,6vw,5rem);text-transform:uppercase}
h2{font-size:clamp(2rem,4vw,3.1rem);text-transform:uppercase}
h3{font-size:1.28rem;text-transform:uppercase;letter-spacing:.04em}
p{margin:0 0 1.1em}
.lead{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--fog);max-width:60ch}

.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:"Oswald",sans-serif;font-weight:500;
  text-transform:uppercase;letter-spacing:.28em;font-size:.78rem;
  color:var(--blue-bright);margin-bottom:1.1rem;
}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--blue);display:inline-block}

.accent{color:var(--blue-bright)}

/* ---- Header / nav -------------------------------------------------------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,17,22,.82);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--steel-700);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:.8rem}
.brand-mark{width:48px;height:32px;flex:none;
  background:linear-gradient(135deg,#1fbf7a,#10a6b8 50%,#2f7bff);
  -webkit-mask:url(images/logo-eci-mask.png) center/contain no-repeat;
  mask:url(images/logo-eci-mask.png) center/contain no-repeat}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text .eci{
  font-family:"Oswald",sans-serif;font-weight:700;text-transform:uppercase;
  letter-spacing:.06em;font-size:1.55rem;line-height:.92;
  background:linear-gradient(120deg,#28c882,#10a6b8 48%,#4d94ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.brand-text .full{font-family:"Oswald",sans-serif;font-weight:500;text-transform:uppercase;letter-spacing:.13em;font-size:.6rem;color:var(--mist);margin-top:4px}
.brand-text .tag{font-size:.56rem;letter-spacing:.15em;text-transform:uppercase;color:var(--fog);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-links a{font-family:"Oswald",sans-serif;text-transform:uppercase;letter-spacing:.08em;font-size:.86rem;color:var(--fog);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--white)}
.nav-links a.active{color:var(--blue-bright)}
.nav-cta{
  border:1px solid var(--blue);color:var(--blue-bright)!important;
  padding:.5rem 1.1rem;border-radius:2px;transition:all .2s var(--ease);
}
.nav-cta:hover{background:var(--blue);color:var(--white)!important}
.nav-toggle{display:none;background:none;border:0;color:var(--mist);cursor:pointer;padding:6px}

/* ---- Buttons ------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:"Oswald",sans-serif;text-transform:uppercase;letter-spacing:.09em;
  font-size:.95rem;padding:.9rem 1.7rem;border-radius:2px;cursor:pointer;
  transition:all .22s var(--ease);border:1px solid transparent;
}
.btn-primary{background:var(--blue);color:var(--white)}
.btn-primary:hover{background:var(--blue-bright);transform:translateY(-2px);box-shadow:0 12px 28px -10px rgba(30,115,255,.7)}
.btn-ghost{border-color:var(--steel-500);color:var(--mist)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue-bright)}
.btn svg{width:18px;height:18px}

/* ---- Sections ------------------------------------------------------------ */
section{position:relative;z-index:1}
.section{padding:clamp(64px,9vw,120px) 0}
.section-head{max-width:64ch;margin-bottom:clamp(36px,5vw,60px)}

/* ---- Hero ---------------------------------------------------------------- */
.hero{position:relative;padding:clamp(28px,4vw,52px) 0 clamp(60px,9vw,110px);overflow:hidden}
.hero::after{ /* spark glow */
  content:"";position:absolute;top:-10%;right:-5%;width:60vw;height:60vw;max-width:760px;max-height:760px;
  background:radial-gradient(circle,rgba(30,115,255,.16),transparent 62%);z-index:0;pointer-events:none;
}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(30px,5vw,64px);align-items:center}
.hero-copy{position:relative;z-index:2}
.hero h1 span{display:block}
.hero h1 .line2{color:var(--blue-bright)}
.hero .lead{margin:1.6rem 0 2.2rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem}
.hero-media{position:relative;z-index:1}
.hero-media img{border-radius:4px;border:1px solid var(--steel-700);box-shadow:var(--shadow);aspect-ratio:4/5;object-fit:cover;width:100%}
.hero-badge{
  position:absolute;left:-18px;bottom:26px;background:var(--blue);color:#fff;
  padding:.7rem 1.1rem;border-radius:3px;font-family:"Oswald",sans-serif;
  text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;box-shadow:var(--shadow);
}
.hero-badge b{font-size:1.3rem;display:block;letter-spacing:.02em}

/* stat strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--steel-700);border-block:1px solid var(--steel-700)}
.stat{background:var(--steel-900);padding:1.6rem clamp(14px,2vw,26px);text-align:center}
.stat .num{font-family:"Oswald",sans-serif;font-size:clamp(1.7rem,3vw,2.4rem);color:var(--blue-bright);line-height:1}
.stat .lbl{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--fog);margin-top:.5rem}

/* ---- Services ------------------------------------------------------------ */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.svc-card{
  background:linear-gradient(180deg,var(--steel-800),var(--steel-900));
  border:1px solid var(--steel-700);border-radius:4px;padding:2rem 1.7rem;
  position:relative;overflow:hidden;transition:transform .25s var(--ease),border-color .25s}
.svc-card:hover{transform:translateY(-4px);border-color:var(--blue)}
.svc-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.svc-card:hover::before{transform:scaleX(1)}
.svc-ico{width:46px;height:46px;color:var(--blue-bright);margin-bottom:1.1rem}
.svc-card h3{margin-bottom:.6rem}
.svc-card p{color:var(--fog);font-size:.98rem;margin-bottom:0}

/* ---- Feature split (about) ---------------------------------------------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,70px);align-items:center}
.split img{border-radius:4px;border:1px solid var(--steel-700);box-shadow:var(--shadow);width:100%;object-fit:cover}
.checklist{list-style:none;padding:0;margin:1.4rem 0 0;display:grid;gap:.75rem}
.checklist li{display:flex;gap:.8rem;align-items:flex-start;color:var(--mist)}
.checklist svg{width:22px;height:22px;color:var(--blue-bright);flex:none;margin-top:2px}

/* ---- Home photo mosaic --------------------------------------------------- */
.mosaic{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:12px;grid-auto-flow:dense}
.mosaic a{position:relative;overflow:hidden;border-radius:3px;border:1px solid var(--steel-700);display:block}
.mosaic img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.mosaic a:hover img{transform:scale(1.07)}
.mosaic a::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(13,17,22,.55));opacity:0;transition:opacity .3s}
.mosaic a:hover::after{opacity:1}
.mosaic .cap{position:absolute;left:12px;bottom:10px;font-family:"Oswald",sans-serif;font-size:.76rem;text-transform:uppercase;letter-spacing:.08em;opacity:0;transform:translateY(6px);transition:all .3s;z-index:2}
.mosaic a:hover .cap{opacity:1;transform:none}
.wide{grid-column:span 2}
.tall{grid-row:span 2}

/* ---- Portfolio galleries ------------------------------------------------- */
.gal-nav{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:2.5rem}
.gal-nav a{font-family:"Oswald",sans-serif;text-transform:uppercase;letter-spacing:.06em;font-size:.82rem;color:var(--fog);border:1px solid var(--steel-700);padding:.5rem 1.1rem;border-radius:2px;transition:all .2s}
.gal-nav a:hover{border-color:var(--blue);color:var(--white)}
.gallery{columns:3;column-gap:14px}
.gallery figure{break-inside:avoid;margin:0 0 14px;position:relative;overflow:hidden;border-radius:3px;border:1px solid var(--steel-700);cursor:zoom-in}
.gallery img{width:100%;transition:transform .5s var(--ease)}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:1.4rem .9rem .7rem;
  background:linear-gradient(transparent,rgba(13,17,22,.9));
  font-family:"Oswald",sans-serif;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;
  transform:translateY(100%);transition:transform .3s var(--ease)}
.gallery figure:hover figcaption{transform:none}
.gal-block{margin-bottom:clamp(48px,7vw,84px);scroll-margin-top:96px}
.gal-block .section-head{margin-bottom:2rem}
/* collapse each gallery to a preview until expanded */
.gallery.collapsible.collapsed figure:nth-child(n+13){display:none}
.gal-more{display:flex;justify-content:center;margin:1.7rem 0 0}
.gal-more button{font-family:"Oswald",sans-serif;text-transform:uppercase;letter-spacing:.08em;font-size:.85rem;
  color:var(--mist);background:var(--steel-800);border:1px solid var(--steel-700);padding:.75rem 1.6rem;border-radius:2px;
  cursor:pointer;transition:all .2s var(--ease);display:inline-flex;align-items:center;gap:.55rem}
.gal-more button:hover{border-color:var(--blue);color:var(--blue-bright)}
.gal-more button .chev{width:15px;height:15px;transition:transform .25s var(--ease)}
.gal-more button[aria-expanded="true"] .chev{transform:rotate(180deg)}
@media(max-width:520px){.gallery.collapsible.collapsed figure:nth-child(n+7){display:none}}

/* ---- Lightbox ------------------------------------------------------------ */
.lb{position:fixed;inset:0;background:rgba(6,9,13,.95);z-index:200;display:none;align-items:center;justify-content:center;padding:24px}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:86vh;border:1px solid var(--steel-700);border-radius:4px;box-shadow:var(--shadow)}
.lb-close{position:absolute;top:22px;right:26px;background:none;border:0;color:#fff;font-size:2rem;cursor:pointer;line-height:1}
.lb-cap{position:absolute;bottom:22px;left:0;right:0;text-align:center;color:var(--fog);font-family:"Oswald",sans-serif;text-transform:uppercase;letter-spacing:.08em;font-size:.9rem}

/* ---- Contact ------------------------------------------------------------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,64px)}
.info-list{list-style:none;padding:0;margin:1.6rem 0 0;display:grid;gap:1.3rem}
.info-list li{display:flex;gap:1rem;align-items:flex-start}
.info-list svg{width:26px;height:26px;color:var(--blue-bright);flex:none;margin-top:3px}
.info-list .k{font-family:"Oswald",sans-serif;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;color:var(--fog)}
.info-list .v{font-size:1.05rem}
.info-list a.v:hover{color:var(--blue-bright)}
form.quote{background:var(--steel-800);border:1px solid var(--steel-700);border-radius:6px;padding:clamp(22px,3vw,36px)}
.field{margin-bottom:1.1rem}
.field label{display:block;font-family:"Oswald",sans-serif;text-transform:uppercase;letter-spacing:.07em;font-size:.76rem;color:var(--fog);margin-bottom:.4rem}
.field input,.field select,.field textarea{
  width:100%;background:var(--ink);border:1px solid var(--steel-700);border-radius:3px;
  color:var(--mist);font-family:inherit;font-size:1rem;padding:.75rem .9rem;transition:border-color .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue)}
.field textarea{min-height:130px;resize:vertical}
.two{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.form-note{font-size:.85rem;color:var(--fog);margin-top:.4rem}
.form-status{margin-top:1rem;font-size:.95rem;color:var(--blue-bright);display:none}
.form-status.show{display:block}

/* ---- CTA band ------------------------------------------------------------ */
.cta-band{background:linear-gradient(120deg,var(--blue),#0b47b8);border-radius:6px;padding:clamp(34px,5vw,64px);text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:32px 32px}
.cta-band h2,.cta-band p{position:relative;color:#fff}
.cta-band p{max-width:52ch;margin:.8rem auto 1.8rem;color:rgba(255,255,255,.9)}
.cta-band .btn{position:relative;background:#fff;color:var(--blue)}
.cta-band .btn:hover{background:var(--ink);color:#fff}

/* ---- Footer -------------------------------------------------------------- */
.site-footer{border-top:1px solid var(--steel-700);background:var(--steel-900);padding:clamp(40px,6vw,64px) 0 2rem;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem;margin-bottom:2.5rem}
.footer-grid p{color:var(--fog);font-size:.95rem}
.footer-col h4{font-family:"Oswald",sans-serif;text-transform:uppercase;letter-spacing:.1em;font-size:.82rem;color:var(--mist);margin:0 0 1rem}
.footer-col a{display:block;color:var(--fog);font-size:.95rem;padding:.25rem 0;transition:color .2s}
.footer-col a:hover{color:var(--blue-bright)}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;border-top:1px solid var(--steel-700);padding-top:1.6rem;color:var(--fog);font-size:.82rem}

/* ---- Reveal animation ---------------------------------------------------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---- Responsive ---------------------------------------------------------- */
@media(max-width:960px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-media{order:-1;max-width:420px}
  .svc-grid{grid-template-columns:1fr}
  .split,.contact-grid{grid-template-columns:1fr}
  .gallery{columns:2}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .mosaic{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px}
  .wide{grid-column:span 2}
}
@media(max-width:760px){
  .nav-links{
    position:fixed;inset:74px 0 auto 0;flex-direction:column;gap:0;
    background:var(--steel-900);border-bottom:1px solid var(--steel-700);
    padding:.5rem 0;transform:translateY(-140%);transition:transform .3s var(--ease);max-height:calc(100vh - 74px);overflow:auto}
  .nav-links.open{transform:none}
  .nav-links a{width:100%;padding:1rem clamp(20px,5vw,48px)}
  .nav-toggle{display:block}
  .two{grid-template-columns:1fr}
}
@media(max-width:520px){
  .gallery{columns:1}
  .mosaic{grid-template-columns:1fr;grid-auto-rows:220px}
  .wide,.tall{grid-column:auto;grid-row:auto}
  .footer-grid{grid-template-columns:1fr}
  .hero-badge{left:0}
}