/* =========================================================
   Vitaro / Uno Industrial — Global Stylesheet
   VI: Orange #E65100 · Black #000 · White #FFF · Gray #CFD8DC
   Fonts: Montserrat (headings) · Open Sans (body)
   ========================================================= */
:root{
  --orange:#E65100;
  --orange-dark:#BF4400;
  --orange-soft:#FFF3EB;
  --black:#0A0A0A;
  --ink:#16191C;
  --text:#222831;
  --muted:#5A6570;
  --line:#E3E8EC;
  --gray-100:#F6F8F9;
  --gray-200:#ECEFF1;
  --gray-300:#CFD8DC;
  --white:#FFFFFF;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 6px 24px rgba(16,24,32,.08);
  --shadow-lg:0 18px 48px rgba(16,24,32,.14);
  --maxw:1180px;
  --font-head:'Montserrat',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --font-body:'Open Sans',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-body);color:var(--text);
  background:var(--white);line-height:1.65;font-size:17px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{font-family:var(--font-head);color:var(--ink);line-height:1.18;font-weight:800;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(30px,5vw,52px)}
h2{font-size:clamp(24px,3.4vw,38px)}
h3{font-size:clamp(19px,2.2vw,25px)}
p{margin:0 0 1em}
a{color:var(--orange);text-decoration:none}
a:hover{color:var(--orange-dark)}
img{max-width:100%;height:auto;display:block}
ul,ol{padding-left:1.2em}
li{margin:.3em 0}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:72px 0}
.section--alt{background:var(--gray-100)}
.section--dark{background:var(--black);color:#E7ECF0}
.section--dark h1,.section--dark h2,.section--dark h3{color:#fff}
.section--dark p{color:#C3CCD4}
.eyebrow{display:inline-block;font-family:var(--font-head);font-weight:700;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);margin:0 0 12px}
.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:62ch}
.center{text-align:center}
.muted{color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font-head);font-weight:700;font-size:15px;padding:13px 24px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:.18s ease;text-decoration:none;line-height:1}
.btn--primary{background:var(--orange);color:#fff}
.btn--primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--ink)}
.btn--light{background:#fff;color:var(--ink)}
.btn--light:hover{background:var(--orange-soft)}
.btn--lg{padding:16px 32px;font-size:16px}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:800;font-size:21px;color:var(--ink)}
.brand-logo{height:36px;width:auto;display:block}
.brand small{font-weight:600;font-size:11px;color:var(--muted);letter-spacing:.08em;display:block;line-height:1}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none;margin:0;padding:0}
.nav-links a{font-family:var(--font-head);font-weight:600;font-size:14.5px;color:var(--ink)}
.nav-links a:hover,.nav-links a.active{color:var(--orange)}
.nav-cta{margin-left:8px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.nav-toggle span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;display:block}

/* ---------- Hero (left text / right image) ---------- */
.hero{display:grid;grid-template-columns:1.05fr 1fr;background:#fff;overflow:hidden;min-height:560px}
.hero__text{display:flex;align-items:center}
.hero__inner{position:relative;z-index:2;padding:100px 40px 96px}
.hero h1{color:var(--ink);margin-bottom:.3em}
.hero h1 span{color:var(--orange);display:block}
.hero .lead{color:var(--muted);max-width:48ch}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero__divider{width:70px;height:4px;background:var(--orange);border-radius:2px;margin:18px 0 22px}
.hero__media{position:relative;overflow:hidden;min-height:420px}
.hero__media img{width:100%;height:100%;object-fit:cover;min-height:420px}

/* ---------- Feature bar ---------- */
.feature-bar{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding:54px 0;border-bottom:1px solid var(--line)}
.feature{display:flex;gap:16px;align-items:flex-start}
.feature__icon{width:52px;height:52px;border-radius:50%;background:var(--orange-soft);color:var(--orange);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.feature h3{font-size:18px;margin:0 0 4px}
.feature p{font-size:15px;color:var(--muted);margin:0;line-height:1.5}

/* ---------- Promo cards ---------- */
.card-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.promo-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.18s ease;display:flex;flex-direction:column}
.promo-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.promo-card__media{height:230px;background:var(--gray-100);display:flex;align-items:center;justify-content:center;overflow:hidden}
.promo-card__media img{width:100%;height:100%;object-fit:cover}
.promo-card__body{padding:24px;flex:1;display:flex;flex-direction:column}
.promo-card__body h3{margin:0 0 8px}
.promo-card__body p{flex:1}
.promo-card__body .link{font-family:var(--font-head);font-weight:700;font-size:14px;color:var(--orange);display:inline-flex;align-items:center;gap:6px}
.promo-card__body .link:hover{color:var(--orange-dark)}

/* ---------- Stats bar ---------- */
.stats-bar{background:var(--black);color:#fff;padding:56px 0}
.stats-bar__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats-bar b{display:block;font-family:var(--font-head);font-size:38px;color:var(--orange);line-height:1;margin-bottom:6px}
.stats-bar span{font-size:13.5px;color:#9aa7b1;letter-spacing:.04em;text-transform:uppercase}

/* ---------- Certifications ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:34px}
.cert-badge{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 16px;text-align:center;box-shadow:var(--shadow);transition:.18s ease}
.cert-badge:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.cert-badge strong{display:block;font-family:var(--font-head);font-size:22px;color:var(--ink);margin-bottom:8px}
.cert-badge span{font-size:13px;color:var(--muted);line-height:1.45;display:block}

/* ---------- Utility additions ---------- */
.pt-0{padding-top:0}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:14px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow)}
.stat b{display:block;font-family:var(--font-head);font-size:30px;color:var(--orange);line-height:1}
.stat span{font-size:14px;color:var(--muted)}

/* ---------- Cards / Grid ---------- */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:.18s ease}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.card h3{margin-top:0}
.card img{border-radius:var(--radius-sm);margin-bottom:14px;width:100%;aspect-ratio:4/3;object-fit:contain;background:var(--gray-100)}

/* ---------- Product cards ---------- */
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:.18s ease}
.product-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.product-card__media{background:var(--gray-100);padding:22px;display:flex;align-items:center;justify-content:center;min-height:230px}
.product-card__media img{max-height:200px;width:auto;object-fit:contain}
.product-card__body{padding:22px;display:flex;flex-direction:column;gap:8px;flex:1}
.product-card__body h3{margin:0}
.tag{display:inline-block;font-family:var(--font-head);font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--orange);background:var(--orange-soft);padding:4px 10px;border-radius:999px}
.spec-list{list-style:none;padding:0;margin:8px 0 0;font-size:15px;color:var(--muted)}
.spec-list li{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding:7px 0}
.spec-list li b{color:var(--ink);font-weight:700}

/* ---------- Tables (specs) ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
table.spec{width:100%;border-collapse:collapse;font-size:15px;background:#fff;min-width:560px}
table.spec th,table.spec td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
table.spec thead th{background:var(--black);color:#fff;font-family:var(--font-head);font-size:13.5px;letter-spacing:.03em}
table.spec tbody tr:nth-child(even){background:var(--gray-100)}
table.spec td b{color:var(--ink)}

/* ---------- Breadcrumb ---------- */
.breadcrumb{font-size:13.5px;color:var(--muted);padding:18px 0 0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb span{margin:0 8px;color:var(--gray-300)}

/* ---------- FAQ ---------- */
.faq-item{border:1px solid var(--line);border-radius:var(--radius);padding:0;margin-bottom:14px;background:#fff;overflow:hidden}
.faq-item summary{cursor:pointer;font-family:var(--font-head);font-weight:700;font-size:17px;padding:18px 22px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";color:var(--orange);font-size:24px;font-weight:800;line-height:1}
.faq-item[open] summary:after{content:"\2212"}
.faq-item__body{padding:0 22px 20px;color:var(--muted)}
.faq-item__body p{margin:0 0 .8em}

/* ---------- Callout ---------- */
.callout{background:var(--orange-soft);border-left:4px solid var(--orange);border-radius:var(--radius-sm);padding:18px 20px;color:var(--ink)}
.callout--dark{background:#11161A;border-left-color:var(--orange);color:#DCE3E9}

/* ---------- Footer ---------- */
.site-footer{background:var(--black);color:#C3CCD4;padding:60px 0 30px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px}
.footer-grid a{color:#AEB9C2}
.footer-grid a:hover{color:#fff}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin:.5em 0}
.footer-bottom{border-top:1px solid #20272D;margin-top:40px;padding-top:22px;font-size:13.5px;color:#8B97A1;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ---------- Forms ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--font-head);font-weight:600;font-size:14px;margin-bottom:6px;color:var(--ink)}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);font-family:var(--font-body);font-size:15px;background:#fff;color:var(--text)}
.field input:focus,.field textarea:focus{border-color:var(--orange);outline:none}
.note{font-size:13.5px;color:var(--muted)}

/* ---------- Article / Blog ---------- */
.article{max-width:780px;margin:0 auto}
.article h2{border-top:3px solid var(--orange);padding-top:18px;margin-top:38px}
.article img{border-radius:var(--radius);margin:18px 0;box-shadow:var(--shadow)}
.article blockquote{margin:22px 0;padding:16px 22px;background:var(--gray-100);border-left:4px solid var(--orange);font-style:italic;color:var(--ink)}
.toc{background:var(--gray-100);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:24px 0}
.toc b{font-family:var(--font-head)}
.meta{font-size:14px;color:var(--muted);margin-bottom:8px}

/* ---------- Utility ---------- */
.mt-0{margin-top:0}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}
.mb-0{margin-bottom:0}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}
.flex{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.between{justify-content:space-between}
.wrap{flex-wrap:wrap}
.divider{height:1px;background:var(--line);margin:0;border:0}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .feature-bar{grid-template-columns:1fr}
  .card-row{grid-template-columns:repeat(2,1fr)}
  .stats-bar__grid{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:720px){
  .nav-links{position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:flex-start;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 22px 18px;display:none;box-shadow:var(--shadow-lg)}
  .nav-links.open{display:flex}
  .nav-links li{width:100%;border-bottom:1px solid var(--line)}
  .nav-links a{display:block;padding:13px 0;font-size:16px}
  .nav-cta{margin:12px 0 4px}
  .nav-toggle{display:flex}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .section{padding:54px 0}
  .hero{min-height:auto}
  .hero{grid-template-columns:1fr;min-height:auto}
  .hero__media{min-height:300px}
  .hero__media img{min-height:300px}
  .hero__inner{padding:64px 0 56px;text-align:center}
  .hero__divider{margin-left:auto;margin-right:auto}
  .hero__cta{justify-content:center}
  .feature-bar{padding:40px 0}
  .card-row{grid-template-columns:1fr}
  .stats-bar__grid{grid-template-columns:1fr;gap:18px}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .promo-card__media{height:190px}
  .footer-grid{grid-template-columns:1fr}
}