/* ==========================================================================
   VORNE — Industrial welding supplies. Brand-locked design system.
   Master rule: black base, silver strength, orange energy.
   Colours from VORNE Brand Style Guide v1.0.
   ========================================================================== */

:root{
  /* Core brand */
  --black:#000000;          /* Machine Black  */
  --graphite:#2B2B2B;       /* Graphite Shadow */
  --orange:#F28C00;         /* Industrial Orange */
  --orange-600:#d97c00;     /* hover */
  --orange-300:#ffae3d;
  --silver:#A3A2A3;         /* Steel Silver */
  --steel:#E6E6E6;          /* Bright Steel Highlight */
  --white:#FFFFFF;

  /* Derived industrial surfaces */
  --panel:#141414;          /* near-black card */
  --panel-2:#1c1c1c;
  --line:#333333;           /* hairline borders */
  --line-2:#444;
  --ink:#0e0e0e;            /* darkest */
  --muted:#9a9a9a;          /* secondary text on dark */
  --muted-light:#5a5a5a;    /* secondary text on light */

  /* Type */
  --font-head:"Rajdhani","Eurostile","DIN",system-ui,sans-serif;
  --font-body:"Barlow","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;

  /* Rhythm */
  --container:1280px;
  --radius:4px;
  --radius-lg:8px;
  --shadow:0 6px 24px rgba(0,0,0,.45);
  --shadow-orange:0 6px 20px rgba(242,140,0,.28);
  --gap:24px;
  --header-h:120px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-body);font-size:16px;line-height:1.6;
  color:var(--steel);background:var(--black);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--orange);text-decoration:none}
a:hover{color:var(--orange-300)}
h1,h2,h3,h4,h5{font-family:var(--font-head);font-weight:700;line-height:1.08;
  letter-spacing:.01em;color:var(--white);margin:0 0 .5em;text-transform:uppercase}
h1{font-size:clamp(2.2rem,5vw,4rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.7rem)}
h3{font-size:clamp(1.25rem,2vw,1.6rem)}
p{margin:0 0 1rem}
ul,ol{margin:0 0 1rem;padding-left:1.2rem}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section--tight{padding:48px 0}
.eyebrow{font-family:var(--font-head);text-transform:uppercase;letter-spacing:.18em;
  font-weight:600;font-size:.82rem;color:var(--orange)}
.lead{font-size:1.15rem;color:var(--steel)}
.muted{color:var(--muted)}
.center{text-align:center}
.orange{color:var(--orange)}

/* Industrial divider bars echoing the logo */
.barrule{height:4px;width:64px;background:var(--orange);border:0;margin:18px 0}
.barrule.center{margin-left:auto;margin-right:auto}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-head);
  font-weight:700;text-transform:uppercase;letter-spacing:.04em;font-size:1rem;
  padding:14px 26px;border-radius:var(--radius);border:2px solid transparent;
  cursor:pointer;transition:.18s ease;line-height:1}
.btn--primary{background:var(--orange);color:#1a1100;border-color:var(--orange)}
.btn--primary:hover{background:var(--orange-600);border-color:var(--orange-600);color:#1a1100;
  box-shadow:var(--shadow-orange);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--white);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--orange);color:var(--orange)}
.btn--lg{padding:17px 34px;font-size:1.08rem}
.btn--block{width:100%;justify-content:center}

/* ---------- Top utility bar ---------- */
.utilbar{background:var(--ink);border-bottom:1px solid var(--line);font-size:.84rem}
.utilbar .container{display:flex;justify-content:space-between;align-items:center;
  min-height:38px;color:var(--muted);gap:16px}
.utilbar a{color:var(--muted)}.utilbar a:hover{color:var(--orange)}
.utilbar strong{color:var(--steel)}
.utilbar__right{display:flex;gap:20px;align-items:center}

/* ---------- Header / nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(8,8,8,.96);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;gap:28px;min-height:84px}
.brand{flex:0 0 auto}
.brand img{height:46px;width:auto}
.search{flex:1 1 auto;max-width:560px;position:relative}
.search input{width:100%;padding:13px 48px 13px 16px;background:var(--panel);
  border:1px solid var(--line-2);border-radius:var(--radius);color:var(--white);
  font-family:var(--font-body);font-size:.98rem}
.search input::placeholder{color:var(--muted)}
.search input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(242,140,0,.2)}
.search button{position:absolute;right:6px;top:6px;bottom:6px;width:40px;border:0;
  background:var(--orange);color:#1a1100;border-radius:var(--radius);cursor:pointer;font-weight:700}
.header-actions{display:flex;align-items:center;gap:22px;flex:0 0 auto}
.iconlink{display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--steel);
  font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;font-family:var(--font-head);font-weight:600}
.iconlink:hover{color:var(--orange)}
.iconlink svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7}
.cart-count{background:var(--orange);color:#1a1100;border-radius:999px;font-size:.66rem;
  padding:1px 6px;font-weight:800;margin-left:-6px;margin-top:-14px}

/* Primary nav + mega menu */
.mainnav{background:var(--graphite);border-bottom:3px solid var(--orange)}
.mainnav ul{display:flex;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.mainnav>.container>ul>li{position:relative}
.mainnav>.container>ul>li>a{display:flex;align-items:center;gap:7px;padding:15px 18px;
  color:var(--steel);font-family:var(--font-head);font-weight:600;text-transform:uppercase;
  letter-spacing:.05em;font-size:.95rem}
.mainnav>.container>ul>li>a:hover,.mainnav li.open>a{background:var(--black);color:var(--orange)}
.mainnav li.has-mega>a::after{content:"";width:7px;height:7px;border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;transform:rotate(45deg);margin-top:-3px;opacity:.7}
.mega{position:absolute;left:0;top:100%;background:var(--panel);border:1px solid var(--line);
  border-top:3px solid var(--orange);min-width:760px;padding:26px;display:none;
  grid-template-columns:repeat(3,1fr);gap:26px;box-shadow:var(--shadow);z-index:70}
.mainnav li.has-mega:hover .mega,.mainnav li.open .mega{display:grid}
.mega h4{font-size:.82rem;letter-spacing:.12em;color:var(--orange);border-bottom:1px solid var(--line);
  padding-bottom:8px;margin-bottom:10px}
.mega ul{display:block;list-style:none;padding:0;margin:0}
.mega li{margin:0}
.mega a{display:block;padding:6px 0;color:var(--silver);text-transform:none;
  font-family:var(--font-body);font-weight:400;letter-spacing:0;font-size:.95rem}
.mega a:hover{color:var(--orange)}

/* ---------- Hero ---------- */
.hero{position:relative;background:
   radial-gradient(120% 90% at 80% 0%,rgba(242,140,0,.14),transparent 55%),
   linear-gradient(180deg,#0a0a0a,#000);
   border-bottom:1px solid var(--line);overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
   background:repeating-linear-gradient(115deg,transparent 0 38px,rgba(255,255,255,.012) 38px 39px)}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;
   gap:40px;align-items:center;padding-top:64px;padding-bottom:64px}
.hero h1 span{color:var(--orange)}
.hero .lead{max-width:48ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero-trust{display:flex;gap:26px;margin-top:30px;flex-wrap:wrap}
.hero-trust div{font-size:.85rem;color:var(--muted)}
.hero-trust strong{display:block;font-family:var(--font-head);font-size:1.5rem;color:var(--white)}
.hero-visual{position:relative;aspect-ratio:1/1;border:1px solid var(--line);border-radius:var(--radius-lg);
   background:radial-gradient(circle at 50% 40%,#222,#0b0b0b 70%);display:grid;place-items:center;padding:8%}
.hero-visual img{filter:drop-shadow(0 12px 30px rgba(0,0,0,.6))}

/* ---------- Category grid ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.cat-card{position:relative;display:block;background:var(--panel);border:1px solid var(--line);
   border-radius:var(--radius-lg);padding:26px 22px;transition:.18s ease;overflow:hidden}
.cat-card::before{content:"";position:absolute;left:0;top:0;height:4px;width:0;background:var(--orange);transition:.25s}
.cat-card:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:var(--shadow)}
.cat-card:hover::before{width:100%}
.cat-card .ico{width:46px;height:46px;stroke:var(--orange);fill:none;stroke-width:1.6;margin-bottom:14px}
.cat-card h3{color:var(--white);font-size:1.18rem;margin-bottom:6px}
.cat-card p{color:var(--muted);font-size:.9rem;margin:0}
.cat-card .arrow{color:var(--orange);font-family:var(--font-head);font-weight:700;
   text-transform:uppercase;font-size:.8rem;letter-spacing:.08em;margin-top:14px;display:inline-block}

/* ---------- Product cards ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.prod-grid--3{grid-template-columns:repeat(3,1fr)}
.prod{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
   overflow:hidden;display:flex;flex-direction:column;transition:.18s ease}
.prod:hover{border-color:var(--line-2);transform:translateY(-3px);box-shadow:var(--shadow)}
.prod__media{position:relative;background:#fff;aspect-ratio:4/3;display:grid;place-items:center;padding:18px}
.prod__media img{max-height:100%;object-fit:contain}
.prod__badge{position:absolute;top:10px;left:10px;background:var(--orange);color:#1a1100;
   font-family:var(--font-head);font-weight:800;font-size:.7rem;text-transform:uppercase;
   letter-spacing:.05em;padding:3px 9px;border-radius:3px}
.prod__body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.prod__brand{font-size:.74rem;text-transform:uppercase;letter-spacing:.1em;color:var(--orange);font-family:var(--font-head);font-weight:600}
.prod__name{color:var(--white);font-family:var(--font-head);font-weight:600;font-size:1.02rem;line-height:1.2;margin:0}
.prod__name a{color:inherit}.prod__name a:hover{color:var(--orange)}
.stars{color:var(--orange);font-size:.85rem;letter-spacing:1px}
.stars span{color:var(--muted)}
.prod__price{margin-top:auto;display:flex;align-items:baseline;gap:8px}
.prod__price .now{font-family:var(--font-head);font-weight:700;font-size:1.4rem;color:var(--white)}
.prod__price .ex{font-size:.74rem;color:var(--muted)}
.prod__price .was{font-size:.85rem;color:var(--muted);text-decoration:line-through}
.prod__foot{display:flex;gap:8px;margin-top:12px}
.stock{font-size:.78rem;color:#5fd07a;font-family:var(--font-head);font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.stock--low{color:var(--orange-300)}

/* ---------- Strip / USP bar ---------- */
.uspbar{background:var(--graphite);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.uspbar .container{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:22px 24px}
.usp{display:flex;gap:12px;align-items:center}
.usp svg{width:30px;height:30px;stroke:var(--orange);fill:none;stroke-width:1.6;flex:0 0 auto}
.usp strong{display:block;color:var(--white);font-family:var(--font-head);text-transform:uppercase;font-size:.92rem;letter-spacing:.03em}
.usp span{font-size:.82rem;color:var(--muted)}

/* ---------- Brand logos strip ---------- */
.brands{display:flex;flex-wrap:wrap;gap:36px;align-items:center;justify-content:center;opacity:.85}
.brands span{font-family:var(--font-head);font-weight:700;font-size:1.3rem;color:var(--silver);
   text-transform:uppercase;letter-spacing:.06em}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.panelbox{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px}

/* ---------- Breadcrumb ---------- */
.crumbs{font-size:.84rem;color:var(--muted);padding:16px 0}
.crumbs a{color:var(--silver)}.crumbs a:hover{color:var(--orange)}
.crumbs span{margin:0 8px;color:var(--line-2)}

/* ---------- Category layout ---------- */
.shop{display:grid;grid-template-columns:260px 1fr;gap:36px;align-items:start}
.facets{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;position:sticky;top:140px}
.facets h4{font-size:.82rem;letter-spacing:.12em;color:var(--orange);margin:18px 0 8px}
.facets h4:first-child{margin-top:0}
.facets label{display:flex;align-items:center;gap:9px;padding:5px 0;color:var(--silver);font-size:.92rem;cursor:pointer}
.facets input{accent-color:var(--orange);width:16px;height:16px}
.cat-intro{max-width:75ch}
.cat-intro h1{margin-bottom:.3em}
.toolbar{display:flex;justify-content:space-between;align-items:center;margin:18px 0;
   border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;flex-wrap:wrap;gap:12px}
.toolbar select{background:var(--panel);border:1px solid var(--line-2);color:var(--steel);padding:9px 12px;border-radius:var(--radius);font-family:var(--font-body)}

/* ---------- Product detail ---------- */
.pdp{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.pdp__gallery{background:#fff;border-radius:var(--radius-lg);padding:36px;display:grid;place-items:center;aspect-ratio:1/1}
.pdp__title{margin:.2em 0 .3em}
.pdp__price{font-family:var(--font-head);font-weight:700;font-size:2.4rem;color:var(--white);margin:8px 0}
.pdp__price .ex{font-size:.9rem;color:var(--muted);font-weight:400}
.spec-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.94rem}
.spec-table th,.spec-table td{text-align:left;padding:11px 14px;border:1px solid var(--line)}
.spec-table th{background:var(--graphite);color:var(--steel);font-family:var(--font-head);
   text-transform:uppercase;letter-spacing:.04em;font-size:.8rem;width:40%}
.spec-table tr:nth-child(even) td{background:var(--panel-2)}
.qty{display:flex;align-items:center;gap:0;border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden;width:fit-content}
.qty button{background:var(--graphite);border:0;color:var(--white);width:42px;height:46px;font-size:1.2rem;cursor:pointer}
.qty input{width:56px;height:46px;text-align:center;background:var(--panel);border:0;color:var(--white);font-size:1rem}
.buybox{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;margin-top:16px}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;background:var(--panel)}
.faq summary{padding:18px 20px;cursor:pointer;font-family:var(--font-head);font-weight:600;
   color:var(--white);font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--orange);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details>div{padding:0 20px 18px;color:var(--silver)}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,#1a1206,#000 60%);border-top:1px solid var(--line);
   border-bottom:3px solid var(--orange)}
.cta-band .container{display:flex;justify-content:space-between;align-items:center;gap:28px;padding:48px 24px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);border-top:1px solid var(--line);padding:56px 0 0;color:var(--muted);font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.site-footer h5{color:var(--white);font-family:var(--font-head);text-transform:uppercase;letter-spacing:.08em;font-size:.95rem;margin:0 0 14px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:9px}
.site-footer a{color:var(--muted)}.site-footer a:hover{color:var(--orange)}
.foot-brand img{height:42px;margin-bottom:16px}
.foot-bottom{border-top:1px solid var(--line);margin-top:42px;padding:20px 0;display:flex;
   justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem}

/* ---------- Forms ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--font-head);font-weight:600;text-transform:uppercase;
   letter-spacing:.04em;font-size:.82rem;color:var(--steel);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;background:var(--panel);
   border:1px solid var(--line-2);border-radius:var(--radius);color:var(--white);font-family:var(--font-body);font-size:1rem}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(242,140,0,.18)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}

/* ---------- Utility ---------- */
.skip-link{position:absolute;left:-999px;top:0;background:var(--orange);color:#1a1100;padding:10px 16px;z-index:200}
.skip-link:focus{left:8px;top:8px}
.tag{display:inline-block;background:var(--graphite);border:1px solid var(--line-2);color:var(--silver);
   font-size:.76rem;padding:3px 10px;border-radius:999px;font-family:var(--font-head);letter-spacing:.04em}
.grid-articles{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.article{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.article__body{padding:20px}
.article h3{font-size:1.12rem}
.article__meta{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-family:var(--font-head)}

/* ---------- Mobile nav toggle ---------- */
.navtoggle{display:none;background:transparent;border:1px solid var(--line-2);border-radius:var(--radius);
   color:var(--white);padding:10px 12px;cursor:pointer}
.navtoggle svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1100px){
  .cat-grid,.prod-grid,.prod-grid--3{grid-template-columns:repeat(2,1fr)}
  .hero .container{grid-template-columns:1fr;gap:30px}
  .hero-visual{max-width:420px}
  .split,.pdp{grid-template-columns:1fr;gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .uspbar .container{grid-template-columns:1fr 1fr}
  .shop{grid-template-columns:1fr}
  .facets{position:static}
  .grid-articles{grid-template-columns:1fr}
  .mega{min-width:auto;grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .search{order:3;flex:1 0 100%;max-width:none;margin-top:4px}
  .header-row{flex-wrap:wrap;gap:14px;min-height:64px}
  .navtoggle{display:inline-flex;margin-left:auto}
  .mainnav{display:none}
  .mainnav.open{display:block}
  .mainnav ul{flex-direction:column}
  .mainnav>.container>ul>li>a{padding:14px 4px;border-bottom:1px solid var(--line)}
  .mega{position:static;display:none;min-width:0;grid-template-columns:1fr;border:0;padding:6px 0 6px 14px}
  .mainnav li.open .mega{display:block}
  .cat-grid,.prod-grid,.prod-grid--3{grid-template-columns:1fr 1fr}
  .uspbar .container,.foot-grid{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .utilbar__left{display:none}
  .section{padding:48px 0}
}
@media (max-width:460px){
  .cat-grid,.prod-grid,.prod-grid--3{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}