/* ==========================================================================
   Sunflex Metalloy Pvt. Ltd. — lg4flange.com
   Corporate light theme: white background, red accent, black text only.
   Class names such as .section--dark / .on-dark are kept for markup stability;
   in this theme they render as white / light-grey sections.
   ========================================================================== */
:root{
  --red:#C8102E; --red-d:#A30D25;
  --ink:#111111; --muted:#555555; --line:#E1E1E1; --line-2:#CFCFCF;
  --alt:#F6F6F6;
  --sans:'IBM Plex Sans','Helvetica Neue',Helvetica,Arial,system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Consolas,'Liberation Mono',monospace;
  --max:1200px; --r:2px; --hdr:80px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--hdr) + 16px)}
body{margin:0;font-family:var(--sans);font-size:17px;line-height:1.7;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--red);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--red-d)}
h1,h2,h3,h4{font-family:var(--sans);line-height:1.12;margin:0 0 .55em;font-weight:600;letter-spacing:-.018em;color:var(--ink)}
h1{font-size:clamp(2.3rem,4.8vw,3.9rem);letter-spacing:-.03em}
h2{font-size:clamp(1.75rem,3vw,2.5rem)}
h3{font-size:1.3rem;letter-spacing:-.01em}
h4{font-size:1.1rem}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
strong{font-weight:600}
:focus-visible{outline:3px solid var(--red);outline-offset:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--red);color:#fff;padding:12px 18px;z-index:200}
.skip:focus{left:0}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Designation tag: UNS C95800 ---------- */
.uns{display:inline-block;font-family:var(--mono);font-weight:500;font-size:.78em;letter-spacing:.01em;padding:.1em .55em;border:1px solid var(--red);border-radius:var(--r);line-height:1.55;white-space:nowrap;color:var(--red);background:#fff}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;font:600 .92rem/1 var(--sans);letter-spacing:.03em;text-decoration:none;padding:17px 30px;border:1.5px solid transparent;border-radius:var(--r);cursor:pointer;transition:background-color .18s,color .18s,border-color .18s;min-height:50px}
.btn--primary{background:var(--red);color:#fff}
.btn--primary:hover{background:var(--red-d);color:#fff}
.btn--line,.btn--outline{border-color:var(--red);color:var(--red);background:#fff}
.btn--line:hover,.btn--outline:hover{background:var(--red);color:#fff}
.btn--dark{background:var(--alt);color:var(--ink);border-color:var(--line)}
.btn--dark:hover{background:#ECECEC;color:var(--ink)}
.btn--sm{padding:12px 20px;font-size:.84rem;min-height:44px;white-space:nowrap}
.btn .arr{display:inline-block;width:9px;height:9px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg);transition:transform .18s}
.btn:hover .arr{transform:rotate(45deg) translate(2px,-2px)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- Top bar + header ---------- */
.topbar{background:var(--alt);color:var(--muted);font-size:.82rem;border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px}
.topbar a{color:var(--ink);text-decoration:none}
.topbar a:hover{color:var(--red)}
.topbar ul{list-style:none;margin:0;padding:0;display:flex;gap:26px;flex-wrap:wrap}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 4px 24px rgba(0,0,0,.07)}
.hdr{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--hdr);transition:height .2s}
.site-header.scrolled .hdr{height:66px}
.brand{display:block;flex:none}
.brand img{height:48px;width:auto;transition:height .2s}
.site-header.scrolled .brand img{height:42px}
.nav{display:flex;align-items:center;gap:26px}
.nav>ul{list-style:none;margin:0;padding:0;display:flex;gap:2px;align-items:center}
.nav>ul>li{position:relative;display:flex;align-items:center}
.nav>ul>li>a{display:block;padding:12px 12px;color:var(--ink);text-decoration:none;font-weight:500;font-size:.95rem;border-bottom:2px solid transparent}
.nav>ul>li>a:hover,.nav>ul>li>a[aria-current]{color:var(--red);border-bottom-color:var(--red)}
.dd-toggle{background:none;border:0;cursor:pointer;width:26px;height:40px;margin-left:-8px;padding:0;color:var(--ink);display:flex;align-items:center;justify-content:center}
.dd-toggle::before{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translate(-1px,-1px);transition:transform .18s}
.dd-toggle[aria-expanded=true]::before{transform:rotate(225deg) translate(-1px,-1px)}
.dd{display:none;position:absolute;top:100%;left:0;min-width:340px;background:#fff;border:1px solid var(--line);border-top:2px solid var(--red);box-shadow:0 22px 44px rgba(0,0,0,.1);list-style:none;margin:0;padding:8px 0;z-index:10}
.dd a{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:11px 22px;color:var(--ink);text-decoration:none;font-size:.95rem}
.dd a:hover{background:var(--alt);color:var(--red)}
.dd a span.mono{font-size:.76rem;color:var(--muted)}
.dd .dd-all a{border-top:1px solid var(--line);margin-top:6px;font-weight:600;color:var(--red)}
@media (min-width:1021px){.has-dd:hover>.dd,.has-dd:focus-within>.dd,.has-dd.open>.dd{display:block}}
.nav-toggle{display:none;background:#fff;border:1px solid var(--line-2);width:48px;height:48px;border-radius:var(--r);cursor:pointer;padding:0;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:12px;right:12px;height:2px;background:var(--red);content:"";transition:transform .2s,opacity .2s}
.nav-toggle span{top:23px}
.nav-toggle span::before{left:0;right:0;top:-7px}
.nav-toggle span::after{left:0;right:0;top:7px}
.nav-toggle[aria-expanded=true] span{background:transparent}
.nav-toggle[aria-expanded=true] span::before{transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded=true] span::after{transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero (home) ---------- */
.hero{position:relative;background:#fff;overflow:hidden;isolation:isolate;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background-image:linear-gradient(rgba(0,0,0,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.045) 1px,transparent 1px);background-size:80px 80px;-webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 60%);mask-image:linear-gradient(90deg,transparent 0%,#000 60%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:64px;align-items:center;padding-top:92px;padding-bottom:100px}
.hero h1{margin-bottom:.4em;font-size:clamp(2.6rem,5.6vw,4.8rem);line-height:1.02}
.hero h1 span{display:block;color:var(--muted);font-weight:400}
.hero .lead{font-size:1.2rem;color:var(--muted);max-width:33em;margin-bottom:36px}
.hero .chips{margin-top:40px}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.chips a{text-decoration:none}
.chips .uns{font-size:.8rem}
.hero-visual{position:relative}
.hero-draw{position:absolute;right:-14%;top:50%;width:124%;transform:translateY(-50%);z-index:0;pointer-events:none}
.hero-draw .spin{transform-origin:320px 320px;animation:spin 240s linear infinite}
.hero-frame{position:relative;z-index:1;background:#fff;border:1px solid var(--line);padding:26px;max-width:520px;margin-left:auto;box-shadow:0 30px 60px rgba(0,0,0,.08)}
.hero-frame img{width:100%;aspect-ratio:5/4;object-fit:contain;mix-blend-mode:multiply}
.hero-frame figcaption{display:flex;justify-content:space-between;gap:12px;font-family:var(--mono);font-size:.7rem;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;margin-top:14px;letter-spacing:.03em}
.corner{position:absolute;width:18px;height:18px;border-color:var(--red);border-style:solid;border-width:0}
.corner.tl{left:-1px;top:-1px;border-left-width:3px;border-top-width:3px}
.corner.tr{right:-1px;top:-1px;border-right-width:3px;border-top-width:3px}
.corner.bl{left:-1px;bottom:-1px;border-left-width:3px;border-bottom-width:3px}
.corner.br{right:-1px;bottom:-1px;border-right-width:3px;border-bottom-width:3px}

/* ---------- Standards strip ---------- */
.stdstrip{background:var(--alt);border-bottom:1px solid var(--line)}
.stdstrip .wrap{display:flex;align-items:center;gap:32px;padding-top:20px;padding-bottom:20px;flex-wrap:wrap}
.stdstrip p{margin:0;font-size:.82rem;color:var(--muted);max-width:22em;line-height:1.45}
.stdstrip ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 10px}
.stdstrip li{font-family:var(--mono);font-size:.78rem;color:var(--ink);border:1px solid var(--line-2);padding:5px 11px;background:#fff}

/* ---------- Sections ---------- */
.section{padding:104px 0;position:relative}
.section--alt,.section--steel{background:var(--alt)}
.section--dark{background:#fff}
.section--tight{padding:72px 0}
.sec-head{max-width:46rem;margin-bottom:56px}
.sec-label{display:flex;align-items:center;gap:14px;font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--red);margin-bottom:20px}
.sec-label::before{content:"";width:32px;height:2px;background:var(--red)}
.sec-head p{font-size:1.1rem;color:var(--muted);margin-bottom:0}
.grid{display:grid;gap:28px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g5{grid-template-columns:repeat(5,minmax(0,1fr))}
.split{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:72px;align-items:center}
.split--rev>:first-child{order:2}

/* ---------- Cards ---------- */
.card{background:#fff;border:1px solid var(--line);padding:30px;border-radius:var(--r);height:100%}
.pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);text-decoration:none;color:var(--ink);border-radius:var(--r);transition:border-color .2s,box-shadow .2s;height:100%}
.pcard:hover{border-color:var(--red);box-shadow:0 18px 40px rgba(0,0,0,.08);color:var(--ink)}
.pcard .ph{background:#fff;border-bottom:1px solid var(--line);padding:22px;position:relative}
.pcard .ph img{width:100%;aspect-ratio:4/3;object-fit:contain;mix-blend-mode:multiply}
.pcard .ph .no{position:absolute;left:14px;top:12px;font-family:var(--mono);font-size:.7rem;color:var(--muted)}
.pcard .pb{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.pcard h3{margin:0 0 .4em;font-size:1.3rem}
.pcard p{color:var(--muted);font-size:.96rem;margin-bottom:1.1em}
.pcard .more,.mcard .more{margin-top:auto;font-weight:600;font-size:.84rem;letter-spacing:.03em;color:var(--red)}
.pcard .more::after,.mcard .more::after{content:" \2192"}
.mcard{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-top:2px solid var(--line-2);padding:26px 26px 24px;text-decoration:none;color:var(--ink);transition:border-color .2s,box-shadow .2s;height:100%;border-radius:var(--r)}
.mcard:hover{border-top-color:var(--red);box-shadow:0 18px 40px rgba(0,0,0,.08);color:var(--ink)}
.mcard .uns{align-self:flex-start;font-size:.9rem}
.mcard h3{margin:0;font-size:1.25rem}
.mcard p{margin:0;color:var(--muted);font-size:.95rem}
.mcard .more{padding-top:8px}

/* ---------- Process flow ---------- */
.flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));counter-reset:step;position:relative}
.flow li{position:relative;padding:0 24px 0 0;counter-increment:step}
.flow li::before{content:counter(step,decimal-leading-zero);display:flex;align-items:center;justify-content:center;width:52px;height:52px;border:1.5px solid var(--red);color:var(--red);font-family:var(--mono);font-weight:500;margin-bottom:24px;background:#fff;position:relative;z-index:1}
.flow li::after{content:"";position:absolute;left:52px;right:0;top:26px;height:1px;background:repeating-linear-gradient(90deg,var(--line-2) 0 8px,transparent 8px 14px)}
.flow li:last-child::after{display:none}
.flow h3{font-size:1.3rem;margin-bottom:.4em}
.flow p{font-size:.95rem;color:var(--muted);margin:0}

/* ---------- Application tiles ---------- */
.apps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.apps li{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.apps a{display:flex;flex-direction:column;gap:6px;padding:24px 22px;min-height:140px;text-decoration:none;color:var(--ink);height:100%;transition:background-color .2s,color .2s}
.apps a:hover{background:var(--red);color:#fff}
.apps .code{font-family:var(--mono);font-size:.7rem;color:var(--muted)}
.apps a:hover .code{color:#fff}
.apps strong{font-size:1.15rem;line-height:1.2;margin-top:auto;font-weight:600;letter-spacing:-.01em}

/* ---------- Spec tables ---------- */
.tbl{margin:0 0 36px;border:1px solid var(--line);border-top:2px solid var(--red);background:#fff}
.tbl-head{display:flex;justify-content:space-between;align-items:center;gap:16px;background:#fff;padding:14px 18px;border-bottom:1px solid var(--line)}
.tbl-head h3,.tbl-head h2{margin:0;font-family:var(--sans);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;font-weight:600;color:var(--ink)}
.tbl-head .mono{font-size:.7rem;color:var(--muted);white-space:nowrap}
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.spec{width:100%;border-collapse:collapse;font-size:.95rem}
.spec th,.spec td{padding:12px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.spec tbody tr:last-child th,.spec tbody tr:last-child td{border-bottom:0}
.spec thead th{background:var(--alt);color:var(--ink);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;font-weight:600;white-space:nowrap;border-bottom:1px solid var(--line-2)}
.spec tbody tr:nth-child(even){background:#FBFBFB}
.spec tbody th{font-weight:600;font-size:.76rem;letter-spacing:.05em;text-transform:uppercase;color:var(--ink);width:30%}
.spec td .uns{font-size:.82em}
.spec--auto{min-width:640px}
.tbl-note{margin:0;padding:12px 18px;border-top:1px solid var(--line);font-size:.83rem;color:var(--muted);background:var(--alt)}
.scroll-hint{display:none;font-size:.72rem;color:var(--muted);font-family:var(--mono);padding:8px 18px 0}

/* ---------- Page hero (inner) ---------- */
.page-hero{position:relative;background:#fff;overflow:hidden;isolation:isolate;padding:44px 0 72px;border-bottom:1px solid var(--line)}
.page-hero::before{content:"";position:absolute;inset:0;z-index:-2;background-image:linear-gradient(rgba(0,0,0,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.04) 1px,transparent 1px);background-size:64px 64px;-webkit-mask-image:linear-gradient(90deg,transparent 30%,#000 100%);mask-image:linear-gradient(90deg,transparent 30%,#000 100%)}
.page-hero::after{content:"";position:absolute;right:-90px;top:50%;width:440px;height:440px;transform:translateY(-50%);z-index:-1;opacity:.55;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 440 440' fill='none' stroke='%23C8102E' stroke-width='1.2'%3E%3Ccircle cx='220' cy='220' r='214' stroke-opacity='.5'/%3E%3Ccircle cx='220' cy='220' r='176' stroke-dasharray='5 7' stroke-opacity='.5'/%3E%3Ccircle cx='220' cy='220' r='120' stroke-opacity='.5'/%3E%3Ccircle cx='220' cy='220' r='70' stroke-opacity='.5'/%3E%3Cg stroke-opacity='.6'%3E%3Ccircle cx='220' cy='44' r='13'/%3E%3Ccircle cx='344.5' cy='95.5' r='13'/%3E%3Ccircle cx='396' cy='220' r='13'/%3E%3Ccircle cx='344.5' cy='344.5' r='13'/%3E%3Ccircle cx='220' cy='396' r='13'/%3E%3Ccircle cx='95.5' cy='344.5' r='13'/%3E%3Ccircle cx='44' cy='220' r='13'/%3E%3Ccircle cx='95.5' cy='95.5' r='13'/%3E%3C/g%3E%3Cpath d='M220 0v440M0 220h440' stroke-opacity='.25'/%3E%3C/svg%3E") no-repeat center/contain}
.page-hero .inner{max-width:52rem}
.page-hero h1{font-size:clamp(2.1rem,4.2vw,3.3rem);margin-bottom:.45em}
.page-hero .lead{font-size:1.15rem;color:var(--muted);max-width:44rem;margin-bottom:28px}
.page-hero .meta{display:flex;flex-wrap:wrap;gap:8px 10px;list-style:none;margin:0;padding:0}
.page-hero .meta li{font-family:var(--mono);font-size:.74rem;color:var(--ink);border:1px solid var(--line-2);padding:4px 11px;background:#fff}
.crumbs{margin-bottom:34px;font-size:.84rem}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px 0;margin:0;padding:0;color:var(--muted)}
.crumbs li+li::before{content:"/";margin:0 10px;color:var(--line-2)}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--red);text-decoration:underline}
.crumbs [aria-current]{color:var(--ink);font-weight:500}

/* ---------- Long-form content ---------- */
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:72px;align-items:start}
.prose h2{font-size:clamp(1.6rem,2.4vw,2.05rem);margin-top:2.4em;padding-top:.2em}
.prose>h2:first-child{margin-top:0}
.prose h3{margin-top:1.8em;font-size:1.25rem}
.prose p,.prose li{max-width:46em}
.prose .tbl{margin-top:1.5em}
.prose .tbl-head h3,.prose .tbl-head h2{margin:0;padding:0;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;line-height:1.3}
.prose .tbl-note,.prose .scroll-hint{max-width:none}
.aside{position:sticky;top:calc(var(--hdr) + 24px);display:grid;gap:20px}
.aside .box{border:1px solid var(--line);background:#fff;padding:26px}
.aside .box--dark{border-top:2px solid var(--red);background:#fff;box-shadow:0 14px 34px rgba(0,0,0,.06)}
.aside .box--dark p{color:var(--muted)}
.aside h3{font-size:1.15rem;margin-bottom:.5em}
.aside ul{list-style:none;margin:0;padding:0}
.aside li{border-top:1px solid var(--line)}
.aside li a{display:block;padding:9px 0;text-decoration:none;font-weight:500;font-size:.94rem;color:var(--ink)}
.aside li a:hover{color:var(--red)}
.aside .box--dark .btn{width:100%}
.figure{margin:0;background:#fff;border:1px solid var(--line);padding:22px;position:relative}
.figure img{width:100%;aspect-ratio:4/3;object-fit:contain;mix-blend-mode:multiply}
.figure figcaption{font-family:var(--mono);font-size:.7rem;color:var(--muted);border-top:1px solid var(--line);margin-top:14px;padding-top:12px}
.chk{list-style:none;padding:0;margin:0 0 1.2em}
.chk li{position:relative;padding:9px 0 9px 28px;border-bottom:1px solid var(--line)}
.chk li::before{content:"";position:absolute;left:2px;top:19px;width:9px;height:9px;background:var(--red)}
.chk--2{columns:2;column-gap:40px}
.chk--2 li{break-inside:avoid}
.note{border-left:3px solid var(--red);background:var(--alt);padding:18px 22px;margin:1.4em 0;font-size:.96rem}
.note strong{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--red);margin-bottom:4px;font-weight:500}
.tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0 0 1em}
.tags a{display:inline-block;padding:6px 13px;border:1px solid var(--line-2);font-size:.88rem;text-decoration:none;color:var(--ink);background:#fff;transition:border-color .18s,color .18s}
.tags a:hover{border-color:var(--red);color:var(--red)}
.tags .uns{border:0;padding:0;margin-right:6px}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);margin:0 0 1.4em}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font-weight:600;font-size:1.05rem;position:relative;letter-spacing:-.005em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:1.5rem;font-weight:300;color:var(--red);line-height:1}
.faq details[open] summary::after{content:"\2212"}
.faq details>div{padding:0 0 22px;color:var(--muted);max-width:46em}
.faq details>div p:last-child{margin:0}

/* ---------- Related links ---------- */
.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px}
.related h3{font-size:1.05rem;border-bottom:2px solid var(--red);padding-bottom:12px;margin-bottom:6px}
.related ul{list-style:none;margin:0;padding:0}
.related li{border-bottom:1px solid var(--line)}
.related a{display:flex;justify-content:space-between;gap:12px;padding:12px 0;text-decoration:none;color:var(--ink);font-weight:500;font-size:.96rem}
.related a::after{content:"\2192";color:var(--red)}
.related a:hover{color:var(--red)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--red);color:#fff;position:relative;overflow:hidden;isolation:isolate}
.cta-band::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:56px 56px}
.cta-band .wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:48px;align-items:center;padding-top:84px;padding-bottom:84px}
.cta-band h2{margin-bottom:.35em;max-width:22ch;color:#fff}
.cta-band p{color:rgba(255,255,255,.92);margin:0;max-width:44rem;font-size:1.1rem}
.cta-band .sec-label{color:#fff}
.cta-band .sec-label::before{background:#fff}
.cta-band .btn-row{flex-direction:column;align-items:stretch}
.cta-band .btn--primary{background:#fff;color:var(--red)}
.cta-band .btn--primary:hover{background:var(--alt);color:var(--red-d)}
.cta-band .btn--line{background:transparent;border-color:rgba(255,255,255,.75);color:#fff}
.cta-band .btn--line:hover{background:#fff;color:var(--red)}
.cta-band :focus-visible{outline-color:#fff}

/* ---------- Locations ---------- */
.loc{background:#fff;border:1px solid var(--line);border-top:2px solid var(--red);padding:30px;height:100%}
.loc .mono{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--red)}
.loc h3{font-size:1.4rem;margin:.25em 0 .5em}
.loc address{font-style:normal;color:var(--muted);line-height:1.65}

/* ---------- Quality / inspection visual ---------- */
.insp{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:72px;align-items:center}
.insp-fig{background:#fff;border:1px solid var(--line);padding:28px;position:relative}
.insp-fig svg{width:100%;height:auto}
.legend{list-style:none;padding:0;margin:0}
.legend li{display:grid;grid-template-columns:48px 1fr;gap:14px;padding:15px 0;border-bottom:1px solid var(--line);align-items:start}
.legend b{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border:1.5px solid var(--red);color:var(--red);font-family:var(--mono);font-weight:500;font-size:.9rem}
.legend strong{display:block;font-size:1.05rem;letter-spacing:-.005em}
.legend span{color:var(--muted);font-size:.95rem}

/* ---------- Applications page ---------- */
.apps-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:64px;align-items:start}
.app-index{position:sticky;top:calc(var(--hdr) + 24px);border:1px solid var(--line);background:#fff;border-top:2px solid var(--red)}
.app-index h2{font-family:var(--sans);font-size:.72rem;letter-spacing:.1em;padding:14px 18px;margin:0;font-weight:600;border-bottom:1px solid var(--line)}
.app-index ol{list-style:none;margin:0;padding:0;counter-reset:ai}
.app-index li{counter-increment:ai;border-top:1px solid var(--line)}
.app-index li:first-child{border-top:0}
.app-index a{display:flex;gap:10px;padding:9px 18px;text-decoration:none;color:var(--ink);font-size:.92rem}
.app-index a::before{content:counter(ai,decimal-leading-zero);font-family:var(--mono);font-size:.7rem;color:var(--muted);padding-top:3px}
.app-index a:hover,.app-index a[aria-current]{background:var(--alt);color:var(--red)}
.app-block{padding:40px 0;border-bottom:1px solid var(--line)}
.app-block:first-child{padding-top:0}
.app-block .code{font-family:var(--mono);font-size:.72rem;color:var(--red);letter-spacing:.08em}
.app-block h2{font-size:clamp(1.7rem,2.6vw,2.2rem);margin:.2em 0 .5em}
.app-block h3{font-family:var(--sans);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:1.4em 0 .7em;font-weight:600}

/* ---------- Certificates grid ---------- */
.cert-group{margin-bottom:72px}
.cert-group:last-child{margin-bottom:0}
.cert-group>h3{font-size:1.5rem;margin-bottom:.3em}
.cert-group>p{color:var(--muted);max-width:44rem;margin-bottom:32px}
.cert-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.cert{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-top:2px solid var(--red);transition:box-shadow .2s}
.cert:hover{box-shadow:0 18px 40px rgba(0,0,0,.08)}
.cert-img{display:block;background:var(--alt);padding:22px;border-bottom:1px solid var(--line)}
.cert-img img{width:100%;aspect-ratio:3/4;object-fit:contain;background:#fff;border:1px solid var(--line)}
.cert-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:6px;flex:1}
.cert-body .mono{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--red)}
.cert-body h4{font-size:1.15rem;margin:0}
.cert-body p{font-size:.93rem;color:var(--muted);margin:0}
.cert-meta{margin:10px 0 14px;font-size:.88rem;display:grid;gap:0}
.cert-meta div{display:grid;grid-template-columns:96px 1fr;gap:10px;padding:7px 0;border-top:1px solid var(--line)}
.cert-meta dt{font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding-top:3px}
.cert-meta dd{margin:0}
.cert-links{margin-top:auto;display:flex;gap:18px;font-size:.88rem;font-weight:600}
.cert-links a{text-decoration:none}
.cert-links a:hover{text-decoration:underline}

/* ---------- Forms ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--red);box-shadow:0 24px 50px rgba(0,0,0,.05)}
.form-body{padding:34px}
fieldset{border:0;padding:0;margin:0 0 34px;min-width:0}
legend{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--red);padding:0 0 10px;margin-bottom:18px;width:100%;border-bottom:1px solid var(--line)}
.frow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 22px}
.frow--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:20px}
.frow .field{margin-bottom:0}
.frow+.frow,.frow+.field,.field+.frow{margin-top:20px}
.field label{font-weight:500;font-size:.88rem;color:var(--ink)}
.field label small{font-weight:400;color:var(--muted)}
.field input,.field select,.field textarea{font:inherit;font-size:1rem;color:var(--ink);background:#fff;border:1px solid var(--line-2);border-radius:var(--r);padding:12px 14px;min-height:50px;width:100%;transition:border-color .15s,box-shadow .15s}
.field textarea{min-height:150px;resize:vertical}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#999}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(200,16,46,.15)}
.field input[type=file]{padding:11px;background:var(--alt);border-style:dashed}
.field .hint{font-size:.8rem;color:var(--muted)}
.field .err{display:none;font-size:.84rem;color:var(--red-d);font-weight:600}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--red)}
.field.invalid .err{display:block}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-foot{display:flex;flex-wrap:wrap;gap:18px 26px;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:26px}
.form-foot p{margin:0;font-size:.9rem;color:var(--muted);max-width:30em}
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:56px;align-items:start}
.dl{display:grid;gap:0;margin:0}
.dl div{display:grid;grid-template-columns:90px 1fr;gap:10px;padding:13px 0;border-bottom:1px solid var(--line)}
.dl dt{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-top:3px}
.dl dd{margin:0}
.dl a{font-weight:600}

/* ---------- Footer ---------- */
.footer{background:var(--alt);color:var(--muted);font-size:.94rem;border-top:3px solid var(--red)}
.footer .top{display:grid;grid-template-columns:1.35fr 1fr 1.05fr .9fr 1.2fr;gap:40px;padding:80px 0 56px}
.footer h2{font-family:var(--mono);font-weight:500;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);margin:0 0 18px;padding-bottom:12px;border-bottom:1px solid var(--line-2)}
.footer ul{list-style:none;margin:0;padding:0}
.footer li{margin:0 0 8px}
.footer a{color:var(--ink);text-decoration:none}
.footer a:hover{color:var(--red);text-decoration:underline}
.footer .logo-plate{display:inline-block;margin-bottom:20px}
.footer .logo-plate img{height:44px;width:auto}
.footer .about p{color:var(--muted);font-size:.92rem}
.footer address{font-style:normal;margin-bottom:12px;color:var(--muted);font-size:.9rem;line-height:1.5}
.footer address b{display:block;color:var(--ink);font-weight:600;font-size:.88rem}
.footer a.btn--primary{color:#fff}
.footer a.btn--primary:hover{color:#fff;text-decoration:none}
.footer .bottom{border-top:1px solid var(--line-2);padding:24px 0;display:flex;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;font-size:.85rem;color:var(--muted)}
.footer .bottom p{margin:0}

/* ---------- Floating UI ---------- */
.to-top{position:fixed;right:22px;bottom:22px;width:48px;height:48px;background:#fff;border:1px solid var(--line-2);color:var(--red);cursor:pointer;z-index:90;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s,transform .2s,visibility .2s,background-color .2s,color .2s;border-radius:var(--r);box-shadow:0 8px 24px rgba(0,0,0,.1)}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top::before{content:"";display:block;width:10px;height:10px;margin:20px auto 0;border-top:2px solid currentColor;border-left:2px solid currentColor;transform:rotate(45deg)}
.to-top:hover{background:var(--red);border-color:var(--red);color:#fff}
.m-cta{display:none}

/* ---------- Motion ---------- */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes wipe{from{clip-path:inset(0 100% 0 0)}to{clip-path:inset(0 0 0 0)}}
@media (prefers-reduced-motion:no-preference){
  @view-transition{navigation:auto}
  .js .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
  .js .reveal.in{opacity:1;transform:none}
  .hero-frame img{animation:wipe .9s .15s cubic-bezier(.2,.7,.2,1) both}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

/* ---------- Responsive ---------- */
.split>*,.content-grid>*,.contact-grid>*,.insp>*,.apps-layout>*,.hero-grid>*,.cta-band .wrap>*,.grid>*,.frow>*{min-width:0}
@media (max-width:1180px){
  .nav>ul>li>a{padding:12px 8px;font-size:.9rem}
  .nav{gap:14px}
  .g5,.apps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer .top{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer .about{grid-column:1/-1}
}
@media (max-width:1020px){
  :root{--hdr:70px}
  .nav-toggle{display:block}
  .nav{display:none;position:fixed;left:0;right:0;top:var(--hdr);bottom:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 120px;overflow-y:auto;border-top:1px solid var(--line)}
  .site-header.scrolled .nav{top:66px}
  .nav.open{display:flex}
  .nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .nav>ul>li{flex-wrap:wrap;border-bottom:1px solid var(--line)}
  .nav>ul>li>a{flex:1;padding:17px 0;font-size:1.08rem;border-bottom:0}
  .dd-toggle{width:56px;height:56px;margin:0}
  .dd{position:static;flex:0 0 calc(100% + 48px);min-width:0;box-shadow:none;border:0;background:var(--alt);margin:0 -24px;padding:6px 24px}
  .dd.show{display:block}
  .dd a{padding:13px 0;border-bottom:1px solid var(--line)}
  .dd li:last-child a{border-bottom:0}
  .dd .dd-all a{margin-top:0;border-top:0}
  .nav-cta{margin-top:22px;width:100%}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:48px;padding-top:56px;padding-bottom:64px}
  .hero-frame{margin:0 auto}
  .hero-draw{display:none}
  .split,.insp,.content-grid,.contact-grid,.apps-layout{grid-template-columns:minmax(0,1fr);gap:44px}
  .split--rev>:first-child{order:0}
  .aside,.app-index{position:static}
  .app-index{display:none}
  .flow{grid-template-columns:minmax(0,1fr);gap:0}
  .flow li{padding:0 0 32px 76px;min-height:84px}
  .flow li::before{position:absolute;left:0;top:0;margin:0}
  .flow li::after{left:26px;top:52px;bottom:0;right:auto;width:1px;height:auto;background:repeating-linear-gradient(180deg,var(--line-2) 0 8px,transparent 8px 14px)}
  .g4,.cert-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .related{grid-template-columns:minmax(0,1fr)}
  .cta-band .wrap{grid-template-columns:minmax(0,1fr)}
  .cta-band .btn-row{flex-direction:row;flex-wrap:wrap}
  .page-hero::after{opacity:.25;right:-160px}
}
@media (max-width:760px){
  body{font-size:16.5px;padding-bottom:64px}
  .topbar{display:none}
  .section{padding:68px 0}
  .section--tight{padding:52px 0}
  .wrap{padding:0 20px}
  .g2,.g3,.g4,.g5,.frow,.frow--3,.cert-grid{grid-template-columns:minmax(0,1fr)}
  .apps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .apps a{min-height:112px;padding:16px 14px}
  .apps strong{font-size:1.05rem}
  .chk--2{columns:1}
  .hero h1{font-size:clamp(2.3rem,10.5vw,3.3rem)}
  .btn{width:100%}
  .btn-row{flex-direction:column}
  .hero-frame{padding:16px}
  .footer .top{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 24px;padding:56px 0 36px}
  .footer .about,.footer .contact{grid-column:1/-1}
  .form-body{padding:24px 18px}
  .scroll-hint{display:block}
  .dl div{grid-template-columns:minmax(0,1fr);gap:2px}
  .m-cta{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);position:fixed;left:0;right:0;bottom:0;z-index:95;background:#fff;border-top:1px solid var(--line-2);box-shadow:0 -6px 20px rgba(0,0,0,.08)}
  .m-cta a{display:flex;align-items:center;justify-content:center;min-height:56px;color:var(--ink);text-decoration:none;font-weight:600;letter-spacing:.03em;font-size:.88rem}
  .m-cta a+a{background:var(--red);color:#fff}
  .to-top{bottom:76px;right:14px;width:44px;height:44px}
  .to-top::before{margin-top:17px}
  .page-hero{padding:32px 0 52px}
  .cert-meta div{grid-template-columns:minmax(0,1fr);gap:0}
}
@media (max-width:420px){.apps{grid-template-columns:minmax(0,1fr)}.footer .top{grid-template-columns:minmax(0,1fr)}}
@media print{.topbar,.site-header,.m-cta,.to-top,.cta-band,.footer{display:none}}
.hero-draw{opacity:.5}