:root{
  --navy:#1c1c1c;--navy-d:#111111;--steel:#3f3f3f;--accent:#e8821e;--accent-d:#cf6f12;
  --ink:#1b1b1b;--muted:#5f5f5f;--line:#e2e2e2;--bg:#ffffff;--bg-alt:#f4f4f5;--bg-dark:#111111;
  --ok:#1f7a4d;--radius:0;--shadow:0 6px 24px rgba(0,0,0,.10);--maxw:1140px;
  --font:'Segoe UI',Roboto,-apple-system,BlinkMacSystemFont,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--steel);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;color:var(--navy);margin:0 0 .5em}
h1{font-size:2.1rem}h2{font-size:1.6rem;margin-top:0}h3{font-size:1.2rem}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.btn{display:inline-block;background:var(--accent);color:#fff;font-weight:700;padding:14px 26px;border-radius:0;border:0;cursor:pointer;font-size:1rem;transition:background .15s;text-align:center}
.btn:hover{background:var(--accent-d);text-decoration:none;color:#fff}
.btn-ghost{background:transparent;border:2px solid #fff;color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.section{padding:64px 0}
.section.alt{background:var(--bg-alt)}
.lead{font-size:1.15rem;color:var(--muted)}
.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;font-weight:700;color:var(--accent);margin-bottom:.4rem}
.hero-brand{display:none;color:#fff;font-weight:800;font-size:1.15rem;margin-bottom:.5rem;text-align:center}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:var(--bg-dark);border-bottom:1px solid rgba(255,255,255,.08);box-shadow:0 2px 10px rgba(0,0,0,.3)}
.nav{display:flex;align-items:center;gap:16px;padding:12px 20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;font-size:1.1rem}
.brand:hover{text-decoration:none}
.brand svg{flex:0 0 auto}
.nav-links{order:1;margin-left:auto;margin-right:24px;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.nav-links a{color:#fff;font-weight:600;font-size:.95rem}
.nav-cta{order:3}
.nav-phone{order:2;display:inline-flex;align-items:center;gap:7px;color:#fff;font-weight:700;font-size:1rem;white-space:nowrap}
.nav-phone:hover{color:#fff;text-decoration:none;opacity:.92}
.nav-phone svg{flex:0 0 auto}
.nav-links a.nav-cta{color:#fff}
.menu-toggle{display:none;order:4;background:none;border:0;font-size:1.6rem;cursor:pointer;color:#fff}
/* floating mobile call CTA (shown only when header links/phone collapse) */
.mobile-call-cta{display:none}
@media(max-width:600px){.brand span{font-size:.95rem}.nav-phone{font-size:.92rem}.nav-cta{padding:11px 16px;font-size:.92rem}.nav{gap:10px}}
/* hero */
.hero{background:#0d0d0d;color:#fff;position:relative;overflow:hidden}
.hero{background-image:linear-gradient(120deg,rgba(0,0,0,.93),rgba(0,0,0,.80) 42%,rgba(15,15,15,.5)),url('../img/img7-welding-768.jpg');background-image:linear-gradient(120deg,rgba(0,0,0,.93),rgba(0,0,0,.80) 42%,rgba(15,15,15,.5)),image-set(url('../img/img7-welding-768.webp') type('image/webp'),url('../img/img7-welding-768.jpg') type('image/jpeg'));background-size:cover;background-position:center 32%}
@media(min-width:768px){.hero{background-image:linear-gradient(120deg,rgba(0,0,0,.93),rgba(0,0,0,.80) 42%,rgba(15,15,15,.5)),url('../img/img7-welding-1024.jpg');background-image:linear-gradient(120deg,rgba(0,0,0,.93),rgba(0,0,0,.80) 42%,rgba(15,15,15,.5)),image-set(url('../img/img7-welding-1024.webp') type('image/webp'),url('../img/img7-welding-1024.jpg') type('image/jpeg'))}}
@media(min-width:1200px){.hero{background-image:linear-gradient(120deg,rgba(0,0,0,.93),rgba(0,0,0,.80) 42%,rgba(15,15,15,.5)),url('../img/img7-welding-1280.jpg');background-image:linear-gradient(120deg,rgba(0,0,0,.93),rgba(0,0,0,.80) 42%,rgba(15,15,15,.5)),image-set(url('../img/img7-welding-1280.webp') type('image/webp'),url('../img/img7-welding-1280.jpg') type('image/jpeg'))}}
@media(min-width:1600px){.hero{background-image:linear-gradient(120deg,rgba(0,0,0,.93),rgba(0,0,0,.80) 42%,rgba(15,15,15,.5)),url('../img/img7-welding-1920.jpg');background-image:linear-gradient(120deg,rgba(0,0,0,.93),rgba(0,0,0,.80) 42%,rgba(15,15,15,.5)),image-set(url('../img/img7-welding-1920.webp') type('image/webp'),url('../img/img7-welding-1920.jpg') type('image/jpeg'))}}
.hero:after{content:"";position:absolute;right:-60px;top:-60px;width:340px;height:340px;background:radial-gradient(circle,rgba(232,130,30,.20),transparent 70%);pointer-events:none}
.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;padding-top:56px;padding-bottom:56px;align-items:start;position:relative;z-index:1}
.hero h1{color:#fff;font-size:2.5rem}
.hero .container.solo{display:block}
.hero .container.solo>div{max-width:780px}
#quote{scroll-margin-top:90px}
.hero p{color:#e4e4e4;font-size:1.15rem}
.hero p.hero-area{color:var(--accent);font-weight:700;font-size:1.18rem;margin:0 0 14px}
.hero ul{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:8px}
.hero ul li{padding-left:28px;position:relative;color:#efefef}
.hero ul li:before{content:"\2714";position:absolute;left:0;color:var(--accent);font-weight:700}
/* form */
.form-card{background:#fff;color:var(--ink);border-radius:0;box-shadow:var(--shadow);padding:26px}
.form-card h2{font-size:1.3rem}
.form-card .sub{color:var(--muted);font-size:.95rem;margin-bottom:14px}
.field{margin-bottom:12px}
.field label{display:block;font-weight:600;font-size:.88rem;margin-bottom:4px}
.field input,.field select,.field textarea{width:100%;padding:11px 12px;border:1px solid #cccccc;border-radius:0;font-size:1rem;font-family:inherit}
.field textarea{resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--steel);box-shadow:0 0 0 3px rgba(90,90,90,.15)}
.hp{position:absolute;left:-9999px}
.form-note{font-size:.78rem;color:var(--muted);margin-top:8px}
.thanks{background:#eafaf1;border:1px solid #b7e4c9;border-radius:0;padding:26px;text-align:center}
.thanks h3{color:var(--ok)}
.err{color:#b3261e;font-size:.85rem;margin-top:8px;display:none}
/* grids */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}}
.card{background:#fff;border:1px solid var(--line);border-radius:0;padding:24px}
.card.alt{background:var(--bg-alt)}
.card h3{margin-top:0}
.card a.morelink{color:var(--accent);font-weight:700}
.card .ico{width:52px;height:52px;border-radius:0;background:#111;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.pill{display:inline-block;background:var(--bg-alt);border:1px solid var(--line);border-radius:0;padding:6px 14px;font-size:.85rem;font-weight:600;color:var(--steel);margin:0 6px 8px 0}
.pill:hover{text-decoration:none;border-color:var(--steel)}
ul.checks{list-style:none;padding:0;margin:0;display:grid;gap:10px}
ul.checks li{padding-left:28px;position:relative}
ul.checks li:before{content:"\2714";position:absolute;left:0;color:var(--accent);font-weight:700}
.prose h2{margin-top:1.6em}
.prose h3{margin-top:1.3em}
.prose ul{padding-left:1.2em}
.prose li{margin-bottom:.4em}
.prose>:first-child{margin-top:0}
/* faq */
.faq details{border:1px solid var(--line);border-radius:0;padding:4px 18px;margin-bottom:12px;background:#fff}
.faq summary{cursor:pointer;font-weight:700;color:var(--navy);padding:14px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";float:right;color:var(--accent);font-size:1.3rem;line-height:1}
.faq details[open] summary:after{content:"\2013"}
.faq details p{padding-bottom:12px;margin:0;color:var(--muted)}
/* cta band */
.cta-band{background:var(--navy);color:#fff;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:#e4e4e4;max-width:620px;margin:0 auto 22px}
/* breadcrumb */
.crumb{font-size:.85rem;color:var(--muted);padding:14px 0 0}
.crumb a{color:var(--steel)}
.page-hero .crumb,.page-hero .crumb a{color:#fff}
.page-hero .crumb a{text-decoration:underline;opacity:.9}
.page-hero .crumb a:hover{opacity:1}
/* footer */
.site-footer{background:var(--bg-dark);color:#c9c9c9;padding:48px 0 26px;font-size:.92rem}
.site-footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
.site-footer h4{color:#fff;font-size:1rem;margin:0 0 12px}
.site-footer a{color:#c9c9c9;display:block;margin-bottom:7px}
.site-footer a:hover{color:#fff}
.foot-brand{font-weight:800;color:#fff;font-size:1.2rem;margin-bottom:8px}
.foot-bottom{border-top:1px solid #333333;margin-top:30px;padding-top:18px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.82rem;color:#909090}
.foot-bottom a{display:inline;color:#909090}
/* page hero (interior) */
.page-hero{background:linear-gradient(140deg,#0d0d0d,#2e2e2e);color:#fff;padding:46px 0}
.page-hero h1{color:#fff}
.page-hero p{color:#e4e4e4;max-width:760px;margin:0}
.layout{display:grid;grid-template-columns:1fr 380px;gap:40px;align-items:start}
.sidebar{position:sticky;top:90px}
.article-meta{color:var(--muted);font-size:.9rem;margin-bottom:18px}
.related{margin-top:8px}
.blog-card{background:#fff;border:1px solid var(--line);border-radius:0;padding:22px;display:flex;flex-direction:column}
.blog-card .tag{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;font-weight:700;color:var(--accent);margin-bottom:8px}
.blog-card h3{font-size:1.12rem}
.blog-card p{color:var(--muted);font-size:.95rem;flex:1}
.area-list a{display:block;margin:5px 0;color:var(--steel);font-weight:600}
.area-list a:hover{color:var(--accent)}
@media(max-width:900px){
  .hero .container{grid-template-columns:1fr;padding-top:36px}
  .hero h1{font-size:2rem}
  .layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
  .site-footer .cols{grid-template-columns:1fr 1fr}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg-dark);flex-direction:column;align-items:flex-start;padding:14px 20px;border-bottom:1px solid rgba(255,255,255,.08);box-shadow:var(--shadow)}
  .nav-links.open{display:flex}
  .nav-links .nav-cta{margin:6px 0 0}
  .menu-toggle{display:block}
  .nav-phone{display:none}
  .nav-cta{margin-left:auto}
  .nav{position:relative}
  body{padding-bottom:96px}
  .mobile-call-cta{display:flex;align-items:center;justify-content:center;gap:8px;position:fixed;left:16px;right:16px;bottom:16px;z-index:60;background:var(--accent);color:#fff;font-weight:700;font-size:1rem;padding:15px 20px;border-radius:0;box-shadow:0 4px 16px rgba(0,0,0,.25)}
  .mobile-call-cta:hover{background:var(--accent-d);color:#fff;text-decoration:none}
  .mobile-call-cta svg{flex:0 0 auto}
}
@media(max-width:520px){
  body{font-size:16px}.hero h1{font-size:1.7rem}h1{font-size:1.7rem}.section{padding:46px 0}
  .hero p.hero-area{font-size:1rem;margin:0 0 10px}.hero p{font-size:1rem}
  .hero{background-size:100% auto;background-position:center top;background-repeat:no-repeat}
  .mobile-call-cta{padding:13px 16px;font-size:.95rem}
  .brand span{display:none}
  .hero-brand{display:block}
}