/* ==========================================================================
   Trait LLC — Industrial Fabrication & Infrastructure
   Shares the Crash Rated Perimeter design system; Trait green/blue palette.
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Archivo:wght@400;500;600;700;800;900&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --steel-900:#0d1117;
  --steel-850:#12181f;
  --steel-800:#171f29;
  --steel-700:#1f2a37;
  --steel-600:#33414f;
  --steel-400:#6b7785;
  --steel-300:#9aa6b2;
  --steel-100:#e6eaef;
  --paper:#f4f5f7;
  --accent:#1f7fd4;        /* Trait blue (primary CTA/links) */
  --accent-dark:#1668ad;
  --signal:#3a9e1f;        /* Trait green (tape/secondary accent) */
  --signal-dark:#2f801a;
  --line:rgba(255,255,255,.08);
  --line-dark:rgba(13,17,23,.10);
  --font-display:'Archivo',sans-serif;
  --font-head:'Oswald',sans-serif;
  --font-mono:'IBM Plex Mono',monospace;
  --maxw:1180px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-display);color:var(--steel-800);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* dual-tone hazard tape: green + blue */
.hazard-tape{height:8px;background:repeating-linear-gradient(45deg,var(--signal) 0 22px,var(--accent) 22px 44px)}

/* ---------- Header ---------- */
header.site{position:sticky;top:0;z-index:100;background:var(--steel-900);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.brand{display:flex;align-items:center;color:#fff;flex:none}
.brand .brand-logo{height:40px;width:auto;display:block}
@media(max-width:600px){.brand .brand-logo{height:34px}}
.nav-links{display:flex;align-items:center;gap:20px}
.nav-links a{color:var(--steel-100);font-family:var(--font-head);font-size:.78rem;text-transform:uppercase;letter-spacing:.8px;transition:color .2s;white-space:nowrap}
.nav-links a:hover{color:var(--accent)}
.nav-cta{background:var(--accent);color:#fff!important;padding:11px 20px;font-weight:600;transform:skewX(-8deg)}
.nav-cta span{display:inline-block;transform:skewX(8deg)}
.nav-cta:hover{background:var(--accent-dark)}
.burger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px}
.burger span{width:26px;height:2px;background:#fff;display:block}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background:linear-gradient(rgba(13,17,23,.84),rgba(13,17,23,.93)),radial-gradient(circle at 75% 20%,var(--steel-700),var(--steel-900));padding:120px 0 100px}
.hero.with-img{background-size:cover;background-position:center}
.hero .wrap{position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin-bottom:22px}
.eyebrow::before{content:"";width:32px;height:2px;background:var(--accent)}
h1{font-family:var(--font-display);font-weight:900;font-size:clamp(2.4rem,5.5vw,4.2rem);line-height:1.03;letter-spacing:-1px;text-transform:uppercase}
h1 em{color:var(--accent);font-style:normal}
.hero p.lede{max-width:620px;margin:24px 0 36px;font-size:1.14rem;color:var(--steel-100)}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-block;font-family:var(--font-head);font-weight:600;text-transform:uppercase;letter-spacing:1px;font-size:.9rem;padding:15px 30px;transform:skewX(-8deg);transition:.2s}
.btn span{display:inline-block;transform:skewX(8deg)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{border:2px solid var(--steel-600);color:#fff}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-dark{background:var(--steel-900);color:#fff}
.btn-dark:hover{background:#000}
.tagline-strip{display:flex;flex-wrap:wrap;gap:14px;margin-top:50px}
.tag-chip{font-family:var(--font-mono);font-size:.74rem;letter-spacing:1px;border:1px solid var(--line);padding:9px 14px;color:var(--steel-300);background:rgba(255,255,255,.03)}
.tag-chip b{color:var(--signal)}

/* ---------- Sections ---------- */
section{padding:84px 0}
.section-head{max-width:680px;margin-bottom:50px}
.kicker{font-family:var(--font-mono);font-size:.72rem;letter-spacing:2px;text-transform:uppercase;color:var(--accent-dark);margin-bottom:14px;display:block}
h2{font-family:var(--font-display);font-weight:800;font-size:clamp(1.9rem,3.8vw,2.8rem);line-height:1.05;letter-spacing:-.5px;text-transform:uppercase;color:var(--steel-900)}
h3{font-family:var(--font-head);font-weight:600;font-size:1.3rem;text-transform:uppercase;letter-spacing:.5px;color:var(--steel-900)}
.section-head p{margin-top:16px;color:var(--steel-600);font-size:1.08rem}
.alt{background:var(--steel-900);color:var(--steel-100)}
.alt h2,.alt h3{color:#fff}
.alt .kicker{color:var(--accent)}
.alt .section-head p{color:var(--steel-300)}

/* ---------- Cards ---------- */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line-dark);position:relative;transition:.25s;border-top:3px solid var(--accent);overflow:hidden}
.card .pad{padding:30px}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(13,17,23,.12)}
.alt .card{background:var(--steel-800);border-color:var(--line);border-top-color:var(--accent)}
.card .num{font-family:var(--font-mono);color:var(--accent);font-size:.8rem;letter-spacing:1px}
.card h3{margin:12px 0 10px}
.card p{color:var(--steel-600);font-size:.96rem}
.alt .card p{color:var(--steel-300)}
.card ul{list-style:none;margin-top:14px}
.card ul li{font-size:.9rem;padding:6px 0 6px 22px;position:relative;color:var(--steel-600)}
.alt .card ul li{color:var(--steel-300)}
.card ul li::before{content:"▸";position:absolute;left:0;color:var(--accent)}
.card-img{aspect-ratio:16/10;overflow:hidden;background:var(--steel-800)}
.card-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
.card:hover .card-img img{transform:scale(1.05)}
.card .go{font-family:var(--font-mono);font-size:.74rem;color:var(--accent);letter-spacing:1px;margin-top:16px;display:inline-block}

/* service link cards (dark) */
.svc{display:block;background:var(--steel-800);color:#fff;padding:30px;border-left:3px solid var(--accent);transition:.25s}
.svc:hover{background:var(--steel-700);transform:translateX(4px)}
.svc h3{color:#fff;margin-bottom:8px}
.svc p{color:var(--steel-300);font-size:.92rem}
.svc .go{font-family:var(--font-mono);font-size:.74rem;color:var(--accent);letter-spacing:1px;margin-top:14px;display:inline-block}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat .n{font-family:var(--font-display);font-weight:900;font-size:clamp(2rem,4vw,3rem);color:var(--accent)}
.stat .l{font-family:var(--font-head);text-transform:uppercase;letter-spacing:1px;font-size:.78rem;color:var(--steel-300);margin-top:6px}

/* ---------- Process ---------- */
.steps{counter-reset:s;display:grid;gap:2px;background:var(--line-dark)}
.step{background:var(--paper);padding:28px 32px;display:grid;grid-template-columns:64px 1fr;gap:20px;align-items:start}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-family:var(--font-display);font-weight:900;font-size:1.8rem;color:var(--accent)}
.step h3{margin-bottom:6px;color:var(--steel-900)}
.alt .step h3{color:var(--steel-900)}
.step p{color:var(--steel-600);font-size:.96rem}
.alt .step p{color:var(--steel-600)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--accent);color:#fff;padding:70px 0;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{max-width:560px;margin:14px auto 30px;font-size:1.1rem}

/* ---------- Brands ---------- */
.brand-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.brand-card{background:#fff;border:1px solid var(--line-dark);padding:24px;text-align:center;transition:.25s;border-bottom:3px solid var(--signal);display:flex;flex-direction:column}
.brand-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(13,17,23,.12)}
.brand-card .logo-wrap{height:96px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;border-radius:4px;overflow:hidden}
.brand-card .logo-wrap img{max-height:84px;max-width:100%;width:auto;object-fit:contain}
.brand-card .logo-wrap.dark{background:#0d1117;padding:10px}
.brand-card h3{font-size:1.05rem;margin-bottom:8px}
.brand-card p{color:var(--steel-600);font-size:.9rem;flex:1}
.brand-card .go{font-family:var(--font-mono);font-size:.74rem;color:var(--accent);letter-spacing:1px;margin-top:14px;display:inline-block}

/* ---------- Page hero / prose ---------- */
.page-hero{background:var(--steel-900);color:#fff;padding:88px 0 68px;position:relative;overflow:hidden}
.page-hero.with-img{background-size:cover;background-position:center}
.page-hero .ov{position:absolute;inset:0;background:linear-gradient(rgba(13,17,23,.82),rgba(13,17,23,.92));z-index:1}
.page-hero .wrap{position:relative;z-index:2}
.page-hero .breadcrumb{font-family:var(--font-mono);font-size:.72rem;letter-spacing:1px;color:var(--steel-400);margin-bottom:18px}
.page-hero .breadcrumb a:hover{color:var(--accent)}
.page-hero h1{font-size:clamp(2rem,4.5vw,3.4rem)}
.prose{max-width:760px;margin:0 auto}
.prose h2{margin:44px 0 16px;font-size:1.7rem}
.prose h3{margin:30px 0 12px}
.prose p{margin-bottom:18px;color:var(--steel-700);font-size:1.05rem}
.prose ul,.prose ol{margin:0 0 18px 22px;color:var(--steel-700)}
.prose li{margin-bottom:8px}
.prose strong{color:var(--steel-900)}
.callout{background:var(--steel-100);border-left:4px solid var(--accent);padding:22px 26px;margin:26px 0}
.callout p{margin:0;color:var(--steel-800)}

/* ---------- FAQ ---------- */
.faq details{border:1px solid var(--line-dark);background:#fff;margin-bottom:12px}
.faq summary{cursor:pointer;padding:20px 24px;font-family:var(--font-head);font-weight:600;text-transform:uppercase;letter-spacing:.5px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:1.4rem}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 24px 22px;color:var(--steel-600)}

/* ---------- Contact form ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-family:var(--font-head);text-transform:uppercase;font-size:.78rem;letter-spacing:1px;color:var(--steel-700)}
.field input,.field select,.field textarea{font-family:var(--font-display);padding:13px 14px;border:1px solid var(--steel-300);background:#fff;font-size:.96rem}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);border-color:var(--accent)}

/* ---------- Footer ---------- */
footer.site{background:var(--steel-900);color:var(--steel-300);padding:60px 0 0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:46px}
footer.site h4{font-family:var(--font-head);color:#fff;text-transform:uppercase;letter-spacing:1px;font-size:.85rem;margin-bottom:16px}
footer.site ul{list-style:none}
footer.site ul li{margin-bottom:9px}
footer.site ul li a{font-size:.9rem;transition:color .2s}
footer.site ul li a:hover{color:var(--accent)}
footer.site p{font-size:.9rem;max-width:320px}
.foot-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.8rem;font-family:var(--font-mono);color:var(--steel-400)}
.foot-contact{font-size:.88rem;line-height:1.7;margin-top:6px}
.foot-contact a:hover{color:var(--accent)}

/* ---------- Portfolio gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery figure{position:relative;margin:0;overflow:hidden;aspect-ratio:16/10;background:var(--steel-800)}
.gallery figure img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.gallery figure:hover img{transform:scale(1.07)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 14px 12px;font-family:var(--font-head);font-size:.78rem;letter-spacing:.5px;text-transform:uppercase;color:#fff;background:linear-gradient(transparent,rgba(13,17,23,.88));z-index:1}
.gallery figure::after{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:var(--accent);opacity:0;transition:opacity .25s;z-index:2}
.gallery figure:hover::after{opacity:1}
@media(max-width:900px){.gallery{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.gallery{grid-template-columns:1fr 1fr;gap:10px}}

/* ---------- Reveal ---------- */
/* Reveal animation is a progressive enhancement: only hide elements once JS
   marks the page ready. If JS fails to load, content stays fully visible. */
.js-ready .reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.js-ready .reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .nav-links{position:fixed;top:74px;left:0;right:0;background:var(--steel-900);flex-direction:column;align-items:flex-start;gap:0;padding:0 24px;max-height:0;overflow:hidden;transition:max-height .3s;border-bottom:1px solid var(--line)}
  .nav-links.open{max-height:520px;padding:18px 24px}
  .nav-links a{padding:12px 0;width:100%}
  .burger{display:flex}
}
@media(max-width:900px){
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .grid-3,.grid-2,.grid-4,.form-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .step{grid-template-columns:1fr}
  section{padding:58px 0}
}