:root{
  --brand:#b72626; --brand-dark:#8c1a1a; --brand-soft:#fbe9e9;
  --charcoal:#1f2328; --ink:#2b2f36; --muted:#5b6470; --muted-2:#8b94a0;
  --bg:#ffffff; --bg-soft:#f6f7f9; --bg-grid:#f1f3f6; --border:#e6e8ec;
  --shadow-sm:0 2px 8px rgba(20,25,35,.06);
  --shadow-md:0 10px 30px rgba(20,25,35,.08);
  --shadow-lg:0 18px 50px rgba(20,25,35,.12);
  --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--ink);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,h6{font-family:inherit;color:var(--charcoal);font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(1.8rem,3.4vw,2.6rem);line-height:1.15}
h2{font-size:clamp(1.5rem,2.4vw,2rem);line-height:1.2}
h3{font-size:1.2rem}
p{color:var(--muted)}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dark)}
.text-muted-2{color:var(--muted-2)!important}
.section{padding:84px 0}
.section-sm{padding:56px 0}
.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.18em;font-size:.72rem;font-weight:700;color:var(--brand);margin-bottom:14px}
.section-title{margin-bottom:14px}
.section-lead{color:var(--muted);max-width:760px;margin-bottom:42px}

/* ---------- NAV ---------- */
.site-header{background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border);z-index:1030}
.navbar{padding:.65rem 0}
.navbar-brand img{display:block}
.nav-link{color:var(--charcoal)!important;font-weight:500;font-size:.95rem;padding:.6rem 1rem!important;position:relative}
.nav-link.active,.nav-link:hover{color:var(--brand)!important}
.nav-link.active::after{content:"";position:absolute;left:1rem;right:1rem;bottom:.3rem;height:2px;background:var(--brand);border-radius:2px}

/* ---------- BUTTONS ---------- */
.btn-brand{background:var(--brand);color:#fff;border:1px solid var(--brand);padding:.65rem 1.4rem;font-weight:600;border-radius:8px;transition:.25s}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(183,38,38,.25)}
.btn-outline-brand{background:transparent;color:var(--brand);border:1px solid var(--brand);padding:.65rem 1.4rem;font-weight:600;border-radius:8px;transition:.25s}
.btn-outline-brand:hover{background:var(--brand);color:#fff}
.btn-ghost{color:var(--charcoal);border:1px solid var(--border);background:#fff;padding:.6rem 1.2rem;border-radius:8px;font-weight:600}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- HERO ---------- */
.hero{position:relative;color:#fff;overflow:hidden;min-height:640px;display:flex;align-items:center;background:linear-gradient(120deg,#0f1318 0%,#1c232c 60%,#2a323d 100%)}
.hero::before{content:"";position:absolute;inset:0;background:url('../images/hero-facility.jpg') center/cover no-repeat;opacity:.35;filter:saturate(1.1)}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 80% at 20% 50%,rgba(183,38,38,.25),transparent 60%),linear-gradient(180deg,rgba(15,19,24,.7),rgba(15,19,24,.85))}
.hero .container{position:relative;z-index:2;padding:80px 15px}
.hero h1{color:#fff;font-size:clamp(2rem,4.2vw,3.4rem);line-height:1.08;margin-bottom:18px}
.hero .lead{color:rgba(255,255,255,.85);font-size:1.05rem;max-width:680px}
.hero .sub-line{display:inline-flex;gap:14px;flex-wrap:wrap;color:#fff;font-weight:600;letter-spacing:.08em;font-size:.85rem;text-transform:uppercase;margin-top:22px;padding:10px 18px;border:1px solid rgba(255,255,255,.2);border-radius:99px;background:rgba(255,255,255,.06)}
.hero .sub-line span{opacity:.9}
.hero .sub-line .sep{color:var(--brand);font-weight:800}
.hero-actions{margin-top:34px;display:flex;gap:12px;flex-wrap:wrap}

/* sub-page hero */
.page-hero{position:relative;color:#fff;padding:120px 0 80px;background:linear-gradient(120deg,#10151b,#222a35);overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;opacity:.28;background-size:cover;background-position:center}
.page-hero.bg-tech::before{background-image:url('../images/chillers.jpg')}
.page-hero.bg-amtrex::before{background-image:url('../images/elevator-car.jpg')}
.page-hero.bg-comflow::before{background-image:url('../images/comflow-ahu.jpg')}
.page-hero.bg-contact::before{background-image:url('../images/manufacturing-floor.jpg')}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,19,24,.85),rgba(15,19,24,.6))}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{color:#fff}
.page-hero p{color:rgba(255,255,255,.85);max-width:680px}
.crumb{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;text-transform:uppercase;letter-spacing:.16em;color:rgba(255,255,255,.7);margin-bottom:18px}
.crumb .dot{width:6px;height:6px;background:var(--brand);border-radius:50%}

/* ---------- BG patterns ---------- */
.bg-soft{background:var(--bg-soft)}
.bg-grid{background-color:#fff;background-image:linear-gradient(var(--bg-grid) 1px,transparent 1px),linear-gradient(90deg,var(--bg-grid) 1px,transparent 1px);background-size:46px 46px;background-position:-1px -1px}
.bg-dots{background-image:radial-gradient(rgba(20,25,35,.08) 1px,transparent 1px);background-size:18px 18px;background-color:#fff}
.bg-charcoal{background:#11161c;color:#fff}
.bg-charcoal h1,.bg-charcoal h2,.bg-charcoal h3{color:#fff}
.bg-charcoal p{color:rgba(255,255,255,.75)}

/* ---------- CARDS ---------- */
.card-clean{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;height:100%;transition:.3s;box-shadow:var(--shadow-sm)}
.card-clean:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d6dae0}
.card-clean .card-icon{width:48px;height:48px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:18px}
.card-clean h3{font-size:1.1rem;margin-bottom:10px}
.card-clean p{margin:0;font-size:.95rem}

.vertical-card{position:relative;border-radius:var(--radius);overflow:hidden;height:340px;color:#fff;display:flex;align-items:flex-end;background:#222;box-shadow:var(--shadow-md);transition:.3s}
.vertical-card:hover{transform:translateY(-6px)}
.vertical-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.5s;z-index:0}
.vertical-card:hover img{transform:scale(1.06)}
.vertical-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 35%,rgba(0,0,0,.85) 100%);z-index:1}
.vertical-card .vc-body{position:relative;z-index:2;padding:24px}
.vertical-card .vc-tag{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;background:var(--brand);color:#fff;padding:5px 10px;border-radius:4px;margin-bottom:10px}
.vertical-card h3{color:#fff;margin-bottom:6px}
.vertical-card p{color:rgba(255,255,255,.85);margin:0;font-size:.92rem}

/* ---------- TIMELINE ---------- */
.timeline{position:relative;padding-left:0}
.timeline::before{content:"";position:absolute;left:14px;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--brand),#dfe2e7)}
.timeline-item{position:relative;padding:0 0 32px 50px}
.timeline-item::before{content:"";position:absolute;left:6px;top:6px;width:18px;height:18px;background:#fff;border:3px solid var(--brand);border-radius:50%;box-shadow:0 0 0 5px var(--brand-soft)}
.timeline-item h4{margin-bottom:4px;font-size:1.05rem;color:var(--charcoal)}
.timeline-item .year{color:var(--brand);font-weight:700;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase}

/* ---------- LEADERSHIP ---------- */
.leader{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;height:100%;transition:.3s;box-shadow:var(--shadow-sm)}
.leader:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.leader .avatar{width:64px;height:64px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;letter-spacing:.04em;margin-bottom:16px}
.leader h4{margin:0 0 4px;font-size:1.05rem}
.leader .role{color:var(--brand);font-size:.82rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;margin-bottom:10px;display:block}
.leader p{font-size:.93rem;margin:0}

/* ---------- LOGO STRIP ---------- */
.logo-strip{overflow:hidden;background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:28px 0}
.logo-track{display:flex;gap:60px;animation:scroll 40s linear infinite;width:max-content}
.logo-track .chip{font-size:1.1rem;font-weight:700;color:#5a6270;white-space:nowrap;letter-spacing:.04em;padding:6px 18px;border:1px solid var(--border);border-radius:99px;background:#fff;transition:.25s}
.logo-track .chip:hover{color:var(--brand);border-color:var(--brand)}
@keyframes scroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ---------- CERTIFICATIONS ---------- */
.cert-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center;transition:.3s;height:100%}
.cert-card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.cert-card .cert-icon{font-size:2rem;color:var(--brand);margin-bottom:10px}
.cert-card h5{font-size:.95rem;margin:0;color:var(--charcoal);font-weight:700}

/* ---------- LIST ---------- */
.tick-list{list-style:none;padding:0;margin:0}
.tick-list li{position:relative;padding:8px 0 8px 28px;color:var(--ink)}
.tick-list li::before{content:"";position:absolute;left:0;top:14px;width:14px;height:14px;border-radius:50%;background:var(--brand-soft);border:2px solid var(--brand)}

/* ---------- STAT ---------- */
.stat{text-align:center;padding:24px 12px}
.stat .num{font-size:2.2rem;font-weight:800;color:var(--brand);line-height:1}
.stat .lbl{color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.12em;margin-top:8px}

/* ---------- CONTACT ---------- */
.contact-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;height:100%;box-shadow:var(--shadow-sm)}
.contact-card .ic{width:42px;height:42px;border-radius:10px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:1.1rem;margin-bottom:14px}
.contact-card h5{font-size:1rem;margin-bottom:6px}
.contact-card p{margin:0;font-size:.94rem;color:var(--muted)}

.form-control,.form-select{border-radius:8px;border:1px solid var(--border);padding:.75rem .9rem;font-size:.95rem}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 .2rem rgba(183,38,38,.12)}
.form-label{font-size:.85rem;font-weight:600;color:var(--charcoal);margin-bottom:6px}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.alert-success-soft{background:#e8f6ed;color:#1f6f3d;border:1px solid #b9e2c5;border-radius:8px;padding:14px 16px}
.alert-danger-soft{background:#fbe9e9;color:#8c1a1a;border:1px solid #f3c2c2;border-radius:8px;padding:14px 16px}

/* ---------- FOOTER ---------- */
.site-footer{background:#0f1318;color:#cfd3da;padding:64px 0 28px;}
.site-footer h1,.site-footer h2,.site-footer h3,.site-footer h4,.site-footer h5,.site-footer h6{color:#fff}
.footer-title{font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.footer-list{list-style:none;padding:0;margin:0}
.footer-list li{padding:5px 0;font-size:.92rem;color:#aab1bb}
.footer-list a{color:#cfd3da;transition:.2s}
.footer-list a:hover{color:var(--brand)}
.contact-list li{display:flex;gap:10px;align-items:flex-start;line-height:1.5}
.contact-list i{color:var(--brand);margin-top:4px}
.footer-divider{border-color:rgba(255,255,255,.08);margin:36px 0 18px}
.social-row a{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center;background:rgba(255,255,255,.06);color:#cfd3da;border-radius:8px;margin-right:8px;transition:.25s}
.social-row a:hover{background:var(--brand);color:#fff}
/*.footer-logo{filter:brightness(0) invert(1) opacity(.95)}*/

/* image utilities */
.img-cover{width:100%;height:100%;object-fit:cover;display:block}
.img-radius{border-radius:var(--radius);box-shadow:var(--shadow-md)}

/* reveal animations */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-in{opacity:1;transform:none}

@media (max-width:991px){
  .section{padding:64px 0}
  .hero{min-height:520px}
  .navbar-collapse{background:#fff;border-top:1px solid var(--border);margin-top:.6rem;padding:1rem;border-radius:10px}
  .nav-link.active::after{display:none}
}
@media (max-width:576px){
  .section{padding:48px 0}
  .page-hero{padding:96px 0 56px}
}