:root{
  --esab-yellow:#FFDD00;
  --esab-black:#141414;
  --esab-dark:#1f1f1f;
  --esab-gray:#6b6b6b;
  --esab-light:#f7f7f5;
  --esab-border:#e6e6e2;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:Arial,Helvetica,sans-serif;
  color:var(--esab-black);
  background:#fff;
  line-height:1.55;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  background:var(--esab-black);
  border-bottom:4px solid var(--esab-yellow);
  position:sticky;top:0;z-index:100;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:44px;width:auto;background:var(--esab-yellow);padding:4px 8px;border-radius:2px}
.logo span{color:#fff;font-weight:700;font-size:14px;letter-spacing:.12em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{
  color:#fff;font-size:14px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:8px 2px;border-bottom:2px solid transparent;transition:.2s;
}
.main-nav a:hover{color:var(--esab-yellow);border-bottom-color:var(--esab-yellow)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;font-weight:700;font-size:14px;letter-spacing:.05em;text-transform:uppercase;
  padding:14px 28px;border:2px solid var(--esab-black);cursor:pointer;transition:.2s;
}
.btn-yellow{background:var(--esab-yellow);color:var(--esab-black);border-color:var(--esab-yellow)}
.btn-yellow:hover{background:var(--esab-black);color:var(--esab-yellow)}
.btn-outline{background:transparent;color:#fff;border-color:#fff}
.btn-outline:hover{background:var(--esab-yellow);color:var(--esab-black);border-color:var(--esab-yellow)}
.btn-dark{background:var(--esab-black);color:#fff;border-color:var(--esab-black)}
.btn-dark:hover{background:var(--esab-yellow);color:var(--esab-black)}
.btn-sm{padding:10px 18px;font-size:12px}

/* ---------- Hero ---------- */
.hero{
  background:
    linear-gradient(105deg, rgba(20,20,20,.97) 0%, rgba(20,20,20,.86) 55%, rgba(20,20,20,.35) 100%),
    var(--esab-black);
  color:#fff;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-40px;width:520px;height:520px;
  background:var(--esab-yellow);opacity:.12;transform:rotate(25deg);
}
.hero-inner{
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
  padding:72px 0 80px;position:relative;z-index:2;
}
.hero-tag{
  display:inline-block;background:var(--esab-yellow);color:var(--esab-black);
  font-weight:700;font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  padding:6px 14px;margin-bottom:22px;
}
.hero h1{font-size:52px;line-height:1.08;font-weight:800;text-transform:uppercase;letter-spacing:.01em}
.hero h1 em{font-style:normal;color:var(--esab-yellow)}
.hero p.lead{margin:22px 0 34px;font-size:18px;color:#d9d9d9;max-width:520px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-img{background:#fff;padding:28px;border-top:6px solid var(--esab-yellow)}
.hero-img img{margin:0 auto;max-height:420px;object-fit:contain}

/* ---------- Sections ---------- */
.section{padding:72px 0}
.section-gray{background:var(--esab-light)}
.section-head{margin-bottom:44px;max-width:720px}
.kicker{
  color:var(--esab-black);font-weight:700;font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:10px;margin-bottom:12px;
}
.kicker::before{content:"";width:34px;height:4px;background:var(--esab-yellow)}
.section-head h2{font-size:36px;font-weight:800;text-transform:uppercase;line-height:1.15}
.section-head p{margin-top:12px;color:var(--esab-gray);font-size:16px}

/* ---------- Product cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{
  background:#fff;border:1px solid var(--esab-border);border-top:6px solid var(--esab-yellow);
  display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s;
}
.card:hover{box-shadow:0 14px 34px rgba(0,0,0,.12);transform:translateY(-4px)}
.card-img{background:#fff;padding:26px;height:260px;display:flex;align-items:center;justify-content:center}
.card-img img{max-height:220px;object-fit:contain}
.card-body{padding:22px 26px 28px;border-top:1px solid var(--esab-border);flex:1;display:flex;flex-direction:column}
.card-body h3{font-size:20px;font-weight:800;text-transform:uppercase}
.card-body .sub{color:var(--esab-gray);font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin:4px 0 12px}
.card-body p{color:#444;font-size:14.5px;flex:1}
.card-link{
  margin-top:18px;display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase;
}
.card-link::after{content:"→";color:var(--esab-yellow);font-size:18px;transition:transform .2s}
.card-link:hover::after{transform:translateX(5px)}

/* ---------- Feature strip ---------- */
.strip{background:var(--esab-yellow);color:var(--esab-black);padding:40px 0}
.strip-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.strip b{display:block;font-size:26px;font-weight:800}
.strip span{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}

/* ---------- CTA ---------- */
.cta{background:var(--esab-black);color:#fff;text-align:center;padding:64px 0}
.cta h2{font-size:32px;font-weight:800;text-transform:uppercase}
.cta h2 em{font-style:normal;color:var(--esab-yellow)}
.cta p{color:#cfcfcf;margin:14px auto 30px;max-width:560px}

/* ---------- Footer ---------- */
.site-footer{background:var(--esab-black);color:#9a9a9a;padding:34px 0;border-top:4px solid var(--esab-yellow);font-size:13px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.site-footer img{height:34px;background:var(--esab-yellow);padding:3px 6px;border-radius:2px}

/* ---------- Doc page ---------- */
.doc-hero{background:var(--esab-black);color:#fff;padding:56px 0;border-bottom:6px solid var(--esab-yellow)}
.doc-hero h1{font-size:38px;font-weight:800;text-transform:uppercase}
.doc-hero h1 em{font-style:normal;color:var(--esab-yellow)}
.doc-hero p{color:#cfcfcf;margin-top:10px;max-width:640px}
.breadcrumb{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#8f8f8f;margin-bottom:18px}
.breadcrumb a{color:var(--esab-yellow)}
.selector{
  background:#fff;border:1px solid var(--esab-border);border-top:6px solid var(--esab-yellow);
  padding:34px;display:grid;grid-template-columns:1fr 1fr auto;gap:22px;align-items:end;
  margin-top:-34px;position:relative;z-index:5;box-shadow:0 10px 30px rgba(0,0,0,.08);
}
.field label{display:block;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px;color:var(--esab-black)}
.field select{
  width:100%;padding:14px 16px;font-size:16px;border:2px solid var(--esab-black);
  background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%23141414' stroke-width='2' fill='none'/%3E%3C/svg%3E") no-repeat right 14px center;
  appearance:none;cursor:pointer;font-family:inherit;
}
.field select:focus{outline:none;border-color:#000;box-shadow:0 0 0 3px rgba(255,221,0,.5)}
.result{
  margin-top:30px;display:none;background:var(--esab-black);color:#fff;padding:30px 34px;
  border-left:8px solid var(--esab-yellow);align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.result.show{display:flex}
.result .r-title{font-size:20px;font-weight:800;text-transform:uppercase}
.result .r-title em{font-style:normal;color:var(--esab-yellow)}
.result .r-meta{color:#bdbdbd;font-size:13px;margin-top:4px}
.result-actions{display:flex;gap:14px;flex-wrap:wrap}
.doc-table{width:100%;border-collapse:collapse;background:#fff;margin-top:8px}
.doc-table th{
  background:var(--esab-black);color:#fff;text-align:left;font-size:12px;letter-spacing:.1em;
  text-transform:uppercase;padding:14px 16px;
}
.doc-table td{padding:14px 16px;border-bottom:1px solid var(--esab-border);font-size:14.5px;vertical-align:middle}
.doc-table tr:hover td{background:#fffbe0}
.badge{
  display:inline-block;background:var(--esab-yellow);color:var(--esab-black);font-weight:800;
  font-size:12px;letter-spacing:.06em;padding:4px 10px;text-transform:uppercase;
}
.lang-name{font-weight:700}
.doc-actions{display:flex;gap:10px;flex-wrap:wrap}
.note{margin-top:22px;font-size:13px;color:var(--esab-gray)}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;padding:52px 0 60px}
  .hero h1{font-size:38px}
  .cards{grid-template-columns:1fr}
  .strip-inner{grid-template-columns:repeat(2,1fr)}
  .selector{grid-template-columns:1fr}
  .main-nav{gap:16px}
  .main-nav a{font-size:12px}
}