/* Pioneer Forge India — site styles. Built by Krayon Medias */
:root{
  --ink:#0b0d0f; --ink-2:#15181c; --ink-3:#22272e;
  --steel:#5d6b7a; --steel-2:#8996a4; --line:#dfe4ea; --mist:#f3f5f8; --paper:#ffffff;
  --forge:#c4de09; --forge-2:#d4ec2a; --forge-deep:#a9c000; --accent-ink:#566a00; --on-accent:#0b0d0f;
  --text:#1d2733; --muted:#5b6876;
  --radius:14px; --radius-sm:8px;
  --shadow:0 18px 40px -18px rgba(11,13,15,.35);
  --font-head:"Barlow Condensed",system-ui,sans-serif;
  --font-body:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1220px;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);color:var(--text);background:var(--paper);line-height:1.65;font-size:16px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.05;margin:0 0 .5em;color:var(--ink);letter-spacing:.01em}
h1{font-size:clamp(2.5rem,6vw,4.6rem);font-weight:700;text-transform:uppercase}
h2{font-size:clamp(2rem,4vw,3.1rem);font-weight:700;text-transform:uppercase}
h3{font-size:1.55rem;font-weight:600}
p{margin:0 0 1em}
.wrap{width:min(var(--wrap),100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--forge);color:var(--on-accent);padding:10px 16px;z-index:999}
.skip:focus{left:12px}
:focus-visible{outline:3px solid var(--forge-2);outline-offset:3px}

/* ---------- top bar & header ---------- */
.topbar{background:var(--ink);color:#c5ced8;font-size:.86rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding:8px 0;flex-wrap:wrap}
.topbar a:hover{color:var(--forge-2)}
.topbar .tb-left{display:flex;gap:22px;flex-wrap:wrap}
.topbar .tb-right{display:flex;gap:14px}
.topbar svg{width:15px;height:15px;vertical-align:-2px;margin-right:6px;fill:currentColor}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.header.scrolled{box-shadow:0 8px 30px -12px rgba(11,13,15,.25)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:82px;transition:height .3s}
.header.scrolled .wrap{height:82px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:54px;width:auto;transition:transform .3s}
.header.scrolled .brand img{transform:scale(.88);transform-origin:left center}
.brand .brand-fallback{display:none;font-family:var(--font-head);font-weight:700;font-size:1.6rem;color:var(--ink);text-transform:uppercase}
.brand.img-missing .brand-fallback{display:block}
.brand.img-missing img{display:none}
.nav{display:flex;align-items:center;gap:4px}
.nav>ul{list-style:none;display:flex;gap:2px;margin:0;padding:0}
.nav li{position:relative}
.nav a,.nav button.dd{font:600 .92rem var(--font-body);letter-spacing:.03em;text-transform:uppercase;padding:10px 13px;border-radius:6px;color:var(--ink);background:none;border:0;cursor:pointer;display:flex;align-items:center;gap:4px}
.nav a:hover,.nav button.dd:hover,.nav a[aria-current="page"]{color:var(--accent-ink)}
.nav .sub{position:absolute;top:100%;left:0;min-width:230px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:8px;list-style:none;margin:0;opacity:0;visibility:hidden;transform:translateY(8px);transition:.25s}
.nav li:hover>.sub,.nav li:focus-within>.sub,.nav li.open>.sub{opacity:1;visibility:visible;transform:none}
.nav .sub a{text-transform:none;letter-spacing:0;font-weight:600;padding:9px 12px}
.nav .sub a:hover{background:var(--mist)}
.btn{display:inline-flex;align-items:center;gap:10px;font:700 .92rem var(--font-body);letter-spacing:.04em;text-transform:uppercase;padding:14px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:transform .2s,background .2s,color .2s,box-shadow .2s}
.btn-primary{background:var(--forge);color:var(--on-accent);box-shadow:0 10px 24px -10px rgba(196,222,9,.8)}
.btn-primary:hover{background:var(--forge-deep);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--forge);color:var(--on-accent)}
.btn svg{width:18px;height:18px;fill:currentColor}
.nav .btn{margin-left:10px;padding:11px 20px;color:var(--on-accent);background:var(--forge)}
.nav .btn:hover{background:var(--forge-deep);color:var(--on-accent)}

.burger{display:none;width:46px;height:46px;border:0;background:var(--ink);border-radius:10px;cursor:pointer;position:relative}
.burger span,.burger span::before,.burger span::after{position:absolute;left:12px;width:22px;height:2px;background:#fff;content:"";transition:.3s}
.burger span{top:22px}.burger span::before{top:-7px;left:0}.burger span::after{top:7px;left:0}
.menu-open .burger span{background:transparent}
.menu-open .burger span::before{top:0;transform:rotate(45deg)}
.menu-open .burger span::after{top:0;transform:rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;background:radial-gradient(1200px 600px at 80% 40%,#262c22 0%,var(--ink) 60%);color:#fff;overflow:hidden;isolation:isolate}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;min-height:calc(100vh - 120px);max-height:860px;padding:80px 0}
.hero h1{color:#fff}
.hero h1 .hl{color:var(--forge-2);display:block}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:700 .8rem var(--font-body);letter-spacing:.22em;text-transform:uppercase;color:var(--accent-ink)}
.bg-dark .eyebrow,.cta .eyebrow,.page-hero .eyebrow,.side-card .eyebrow{color:var(--forge)}
.eyebrow::before{content:"";width:34px;height:2px;background:currentColor}
.hero .eyebrow{color:var(--forge-2)}
.hero .lead{font-size:1.15rem;color:#c9d3dd;max-width:560px;margin:18px 0 32px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{display:flex;gap:28px;margin-top:44px;flex-wrap:wrap}
.hero-badges div{border-left:2px solid var(--forge);padding-left:14px}
.hero-badges strong{display:block;font:700 2rem var(--font-head);color:#fff}
.hero-badges span{font-size:.85rem;color:#9fb0c1}
.rotator{display:inline-block;min-height:1.05em}
.rotator span{display:inline-block;animation:wordIn .7s cubic-bezier(.2,.8,.2,1)}
@keyframes wordIn{from{opacity:0;transform:translateY(40%) }to{opacity:1;transform:none}}
.flange-art{position:relative;aspect-ratio:1;max-width:520px;width:100%;justify-self:center}
.flange-art svg{width:100%;height:100%;filter:drop-shadow(0 30px 60px rgba(0,0,0,.55))}
.flange-art .spin{transform-origin:50% 50%;animation:spin 60s linear infinite}
.flange-art .glow{animation:glow 3.5s ease-in-out infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes glow{50%{opacity:.35}}
.scroll-cue{position:absolute;bottom:24px;left:50%;translate:-50% 0;width:26px;height:42px;border:2px solid rgba(255,255,255,.4);border-radius:14px}
.scroll-cue::after{content:"";position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;background:var(--forge-2);border-radius:2px;animation:cue 1.8s infinite}
@keyframes cue{to{transform:translateY(14px);opacity:0}}

/* ---------- page hero (inner) ---------- */
.page-hero{position:relative;background:linear-gradient(120deg,var(--ink) 0%,var(--ink-3) 100%);color:#fff;padding:90px 0 70px;overflow:hidden;isolation:isolate}
.page-hero::before{content:"";position:absolute;right:-120px;top:-120px;width:460px;height:460px;border-radius:50%;border:60px solid rgba(196,222,9,.12);z-index:-1}
.page-hero::after{content:"";position:absolute;right:40px;top:30px;width:220px;height:220px;border-radius:50%;border:2px dashed rgba(255,255,255,.12);z-index:-1;animation:spin 40s linear infinite}
.page-hero h1{color:#fff;font-size:clamp(2.3rem,5vw,3.8rem);max-width:900px}
.page-hero p{color:#c3cdd8;max-width:680px;font-size:1.08rem;margin:0}
.crumbs{display:flex;gap:8px;list-style:none;padding:0;margin:0 0 16px;font-size:.85rem;color:#9fb0c1;flex-wrap:wrap}
.crumbs li+li::before{content:"/";margin-right:8px;opacity:.5}
.crumbs a:hover{color:var(--forge-2)}

/* ---------- sections ---------- */
section{padding:96px 0}
.sec-head{max-width:760px;margin-bottom:52px}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head.center .eyebrow::after{content:"";width:34px;height:2px;background:currentColor}
.sec-head p{color:var(--muted);font-size:1.06rem}
.bg-mist{background:var(--mist)}
.bg-dark{background:var(--ink);color:#c9d3dd}
.bg-dark h2,.bg-dark h3{color:#fff}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.prose p{color:var(--muted)}
.prose strong{color:var(--ink)}
.checks{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:12px}
.checks li{position:relative;padding-left:34px}
.checks li::before{content:"";position:absolute;left:0;top:3px;width:22px;height:22px;border-radius:50%;background:var(--forge) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%230b0d0f' d='M9.5 16.2 5.3 12l-1.4 1.4 5.6 5.6 12-12-1.4-1.4z'/%3E%3C/svg%3E") center/16px no-repeat}

/* feature cards */
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;position:relative;overflow:hidden;transition:transform .35s,box-shadow .35s,border-color .35s}
.feature::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:var(--forge);transition:width .45s}
.feature:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.feature:hover::after{width:100%}
.feature .ico{width:58px;height:58px;border-radius:14px;background:rgba(196,222,9,.1);display:grid;place-items:center;margin-bottom:20px;transition:background .35s}
.feature .ico svg{width:30px;height:30px;fill:var(--accent-ink);transition:fill .35s}
.feature:hover .ico{background:var(--forge)}
.feature:hover .ico svg{fill:var(--on-accent)}
.feature p{color:var(--muted);margin:0}
.feature .num{position:absolute;right:22px;top:14px;font:700 3.4rem var(--font-head);color:var(--mist)}
.bg-mist .feature .num{color:#eef1f4}

/* media frame with fallback */
.media{position:relative;border-radius:var(--radius);overflow:hidden;background:linear-gradient(135deg,#dfe5ec,#c9d2dc)}
.media img{width:100%;height:100%;object-fit:cover}
.media.img-missing{min-height:260px;background:repeating-linear-gradient(45deg,#e4e9ef 0 14px,#d8dee6 14px 28px)}
.media.img-missing img{display:none}
.media.img-missing::after{content:attr(data-label);position:absolute;inset:auto 16px 16px 16px;font:700 1rem var(--font-head);text-transform:uppercase;color:var(--steel)}
.about-media{position:relative}
.about-media .media{aspect-ratio:4/5}
.about-media .stamp{position:absolute;left:-28px;bottom:36px;background:var(--forge);color:var(--on-accent);border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow);animation:float 5s ease-in-out infinite}
.about-media .stamp strong{display:block;font:700 3rem var(--font-head);line-height:1}
.about-media .stamp span{font-size:.85rem;font-weight:600;letter-spacing:.04em}
@keyframes float{50%{transform:translateY(-10px)}}

/* product cards */
.product{display:flex;flex-direction:column;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:transform .4s,box-shadow .4s}
.product:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.product .media{aspect-ratio:4/3;border-radius:0;background:#f6f7f9}
.product .media img{object-fit:cover;transition:transform .6s}
.product[style*="cursor:default"] .media{background:#fff}
.product[style*="cursor:default"] .media img{object-fit:contain;padding:14px}
.product:hover .media img{transform:scale(1.07)}
.product .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:8px;flex:1}
.product h3{margin:0}
.product p{color:var(--muted);font-size:.95rem;margin:0}
.product .more{margin-top:auto;padding-top:10px;font-weight:700;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-ink);display:flex;align-items:center;gap:8px}
.product .more svg{width:16px;height:16px;fill:currentColor;transition:transform .3s}
.product:hover .more svg{transform:translateX(5px)}

/* stats */
.stats{background:linear-gradient(110deg,var(--forge-deep),var(--forge) 60%,var(--forge-2));color:var(--on-accent);padding:70px 0;position:relative;overflow:hidden}
.stats::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(-45deg,rgba(0,0,0,.05) 0 2px,transparent 2px 22px)}
.stats .grid{position:relative}
.stat{text-align:center}
.stat strong{display:block;font:700 clamp(2.8rem,5vw,4rem) var(--font-head);line-height:1}
.stat span{font-weight:600;letter-spacing:.06em;text-transform:uppercase;font-size:.85rem;opacity:.9}

/* industries */
.industry{background:var(--ink-2);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:30px 22px;text-align:center;transition:.35s}
.industry svg{width:52px;height:52px;fill:none;stroke:var(--forge-2);stroke-width:1.6;margin:0 auto 14px;transition:transform .5s}
.industry h3{font-size:1.25rem;margin:0;color:#fff}
.industry p{font-size:.88rem;margin:8px 0 0;color:#9fb0c1}
.industry:hover{background:var(--ink-3);transform:translateY(-5px);border-color:rgba(196,222,9,.5)}
.industry:hover svg{transform:scale(1.12) rotate(-6deg)}

/* marquee */
.marquee{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee-track{display:flex;gap:28px;width:max-content;animation:marquee 38s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee .logo{width:170px;height:110px;flex:none;border:1px solid var(--line);border-radius:12px;background:#fff;display:grid;place-items:center;padding:12px;filter:grayscale(1);opacity:.75;transition:.3s}
.marquee .logo:hover{filter:none;opacity:1}
.marquee .logo img{max-height:86px;object-fit:contain}
.marquee .logo.img-missing{background:var(--mist)}
.marquee .logo.img-missing img{display:none}
@keyframes marquee{to{transform:translateX(-50%)}}

/* testimonials */
.quote{background:#fff;border-radius:var(--radius);padding:36px;border:1px solid var(--line);position:relative}
.quote::before{content:"\201C";position:absolute;right:26px;top:-6px;font:700 7rem/1 Georgia,serif;color:rgba(196,222,9,.15)}
.quote p{font-size:1.05rem;color:var(--text)}
.quote footer{display:flex;align-items:center;gap:14px;margin-top:20px}
.quote .av{width:48px;height:48px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font:700 1.2rem var(--font-head)}
.quote cite{font-style:normal;font-weight:700;color:var(--ink)}
.quote small{display:block;color:var(--muted)}
.stars{color:#f5a623;letter-spacing:2px}

/* certificates */
.cert{background:#fff;border-radius:var(--radius);padding:16px;border:1px solid var(--line);transition:.35s;cursor:zoom-in}
.cert:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.cert .media{aspect-ratio:3/4;background:#fff}
.cert .media img{object-fit:contain}
.cert h3{font-size:1.15rem;margin:14px 4px 4px}

/* CTA band */
.cta{position:relative;background:var(--ink);color:#fff;border-radius:22px;padding:64px;display:flex;justify-content:space-between;align-items:center;gap:30px;overflow:hidden;isolation:isolate;flex-wrap:wrap}
.cta::before{content:"";position:absolute;right:-80px;bottom:-140px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(196,222,9,.55),transparent 70%);z-index:-1}
.cta h2{color:#fff;margin:0;font-size:clamp(1.9rem,3.5vw,2.8rem);max-width:640px}
.cta p{color:#b9c4cf;margin:10px 0 0}

/* timeline */
.timeline{position:relative;max-width:900px;margin:0 auto;padding-left:40px}
.timeline::before{content:"";position:absolute;left:12px;top:0;bottom:0;width:2px;background:linear-gradient(var(--forge),var(--line))}
.tl-item{position:relative;padding:0 0 46px 20px}
.tl-item::before{content:"";position:absolute;left:-36px;top:4px;width:18px;height:18px;border-radius:50%;background:var(--ink);border:4px solid var(--forge);box-shadow:0 0 0 6px rgba(196,222,9,.15)}
.tl-item .tag{font:700 1.6rem var(--font-head);color:var(--accent-ink)}
.tl-item p{color:var(--muted)}

/* tables / specs */
.spec{width:100%;border-collapse:collapse;font-size:.96rem;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.spec th,.spec td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.spec th{width:32%;background:var(--mist);font-weight:700;color:var(--ink)}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.chips{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.chips li{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 16px;font-weight:600;font-size:.9rem;transition:.25s}
.chips li:hover{border-color:var(--forge);color:var(--accent-ink)}
.side-card{position:sticky;top:100px;background:var(--ink);color:#c9d3dd;border-radius:var(--radius);padding:30px}
.side-card h3{color:#fff}
.side-card ul{list-style:none;padding:0;margin:0 0 20px}
.side-card li a{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.08);font-weight:600}
.side-card li a:hover,.side-card li a[aria-current="page"]{color:var(--forge-2)}
.layout-side{display:grid;grid-template-columns:1fr 330px;gap:48px;align-items:start}

/* FAQ */
.faq-group{margin-bottom:40px}
.faq-group h2{font-size:1.7rem;margin-bottom:16px}
details.faq{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;transition:border-color .3s,box-shadow .3s}
details.faq[open]{border-color:var(--forge);box-shadow:0 10px 30px -18px rgba(196,222,9,.6)}
details.faq summary{cursor:pointer;list-style:none;padding:20px 56px 20px 22px;font-weight:700;color:var(--ink);position:relative}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";position:absolute;right:20px;top:50%;translate:0 -50%;width:28px;height:28px;border-radius:50%;background:var(--mist);display:grid;place-items:center;font-size:1.2rem;transition:.3s}
details.faq[open] summary::after{content:"–";background:var(--forge);color:var(--on-accent)}
details.faq .ans{padding:0 22px 20px;color:var(--muted)}

/* contact */
.office{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.3s}
.office:hover{border-color:var(--forge);transform:translateY(-4px)}
.office .ico{width:46px;height:46px;border-radius:12px;background:var(--forge);display:grid;place-items:center;margin-bottom:16px}
.office .ico svg{width:24px;height:24px;fill:var(--on-accent)}
.office h3{font-size:1.3rem}
.office p{color:var(--muted);margin:0}
.form{background:#fff;border-radius:var(--radius);padding:40px;box-shadow:var(--shadow);border:1px solid var(--line)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-weight:700;font-size:.88rem;color:var(--ink)}
.field input,.field textarea,.field select{font:inherit;padding:14px 16px;border:1.5px solid var(--line);border-radius:10px;background:var(--mist);transition:.25s;width:100%}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--forge);background:#fff;box-shadow:0 0 0 4px rgba(196,222,9,.12)}
.form-note{font-size:.88rem;color:var(--muted);margin-top:12px}
.form-status{margin-top:14px;font-weight:600}
.form-status.ok{color:#1c8a4a}.form-status.err{color:#c0392b}
.hp{position:absolute;left:-9999px}
.contact-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.contact-list a{display:flex;gap:14px;align-items:center;font-weight:600}
.contact-list a:hover{color:var(--accent-ink)}
.contact-list svg{width:20px;height:20px;fill:var(--accent-ink);flex:none}
.map{border:0;width:100%;height:420px;border-radius:var(--radius);filter:grayscale(.3)}

/* footer */
.footer{background:var(--ink);color:#9fb0c1;padding:80px 0 0;font-size:.95rem}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:44px}
.footer h4{color:#fff;font-size:1.25rem;text-transform:uppercase;margin-bottom:20px}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer a:hover{color:var(--forge-2)}
.footer .brand img{height:56px}
.footer .addr strong{color:#fff;display:block;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase}
.footer .addr li{margin-bottom:6px}
.socials{display:flex;gap:10px;margin-top:18px}
.socials a{width:40px;height:40px;border-radius:50%;background:var(--ink-3);display:grid;place-items:center;transition:.3s}
.socials a:hover{background:var(--forge);transform:translateY(-3px)}
.socials a:hover svg{fill:var(--on-accent)}
.socials svg{width:18px;height:18px;fill:#fff}
.footer .bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:60px;padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.86rem}
.footer .bottom a{color:#fff}

/* floating actions */
.fab-wa{position:fixed;right:20px;bottom:20px;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;z-index:60;box-shadow:0 12px 30px -8px rgba(37,211,102,.7)}
.fab-wa svg{width:30px;height:30px;fill:#fff}
.fab-wa::before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #25d366;animation:ping 2s infinite}
@keyframes ping{to{transform:scale(1.6);opacity:0}}
.to-top{position:fixed;right:26px;bottom:92px;width:46px;height:46px;border-radius:50%;background:var(--ink);border:0;cursor:pointer;display:grid;place-items:center;z-index:60;opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top svg{width:20px;height:20px;fill:#fff}
.progress{position:fixed;top:0;left:0;height:3px;background:var(--forge);z-index:100;width:0}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(8,12,18,.9);display:none;place-items:center;z-index:200;padding:24px;cursor:zoom-out}
.lightbox.open{display:grid}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.footer h2.f-h{color:#fff;font-size:1.25rem;text-transform:uppercase;margin-bottom:20px}
.nav-backdrop{position:fixed;inset:0;background:rgba(11,13,15,.55);opacity:0;visibility:hidden;transition:.3s;z-index:45}
.menu-open .nav-backdrop{opacity:1;visibility:visible}
.chips li a{display:inline-block;padding:6px 2px;margin:-6px -2px}
.footer .bottom a{display:inline-block;padding:10px 0;margin:-10px 0}
[data-zoom]:focus-visible{outline:3px solid var(--forge);outline-offset:4px}
.slide:not(.active){pointer-events:none}
.lightbox img{max-height:90vh;width:auto;max-width:min(92vw,900px);border-radius:10px}

/* reveal animations */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.left{transform:translateX(-40px)}
.reveal.right{transform:translateX(40px)}
.reveal.zoom{transform:scale(.92)}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .footer .cols{grid-template-columns:1fr 1fr}
  .layout-side{grid-template-columns:1fr}
  .side-card{position:static}
}
@media (max-width:980px){
  .header{backdrop-filter:none;-webkit-backdrop-filter:none;background:#fff}
  .burger{display:block}
  .nav{position:fixed;inset:0 0 0 auto;width:min(340px,86vw);background:#fff;flex-direction:column;align-items:stretch;padding:96px 22px 30px;transform:translateX(100%);transition:transform .4s cubic-bezier(.2,.8,.2,1);box-shadow:-20px 0 60px rgba(0,0,0,.2);overflow-y:auto;z-index:-1}
  .menu-open .nav{transform:none}
  .nav>ul{flex-direction:column}
  .nav a,.nav button.dd{padding:14px 10px;font-size:1rem;width:100%;justify-content:space-between}
  .nav .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 0 14px;display:none}
  .nav li.open>.sub{display:block}
  .nav li:hover>.sub{display:none}.nav li.open:hover>.sub{display:block}
  .nav .btn{margin:16px 0 0;justify-content:center}
  .scroll-cue{display:none}
  .hero .wrap{grid-template-columns:1fr;min-height:auto;max-height:none;padding:70px 0 90px;text-align:left}
  .flange-art{max-width:340px;order:-1}
  .split{grid-template-columns:1fr;gap:44px}
  .g3{grid-template-columns:repeat(2,1fr)}
  .about-media .stamp{left:16px}
}
@media (max-width:640px){
  section{padding:68px 0}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .stats .g4{grid-template-columns:1fr 1fr}
  .topbar .tb-left a:nth-child(n+2),.topbar .tb-left span{display:none}
  .flange-art{max-width:240px}
  .hero .wrap{padding:44px 0 80px}
  .rotator span{display:inline}
  .form{padding:26px}
  .form .row{grid-template-columns:1fr}
  .cta{padding:40px 26px}
  .footer .cols{grid-template-columns:1fr}
  .hero-badges{gap:18px}
  .brand img{height:44px}
  .spec th{width:40%}
}

/* =================== HERO SLIDER =================== */
.slider{padding:0}
.slider .blueprint{position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(196,222,9,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(196,222,9,.07) 1px,transparent 1px),
  linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:96px 96px,96px 96px,24px 24px,24px 24px;
  -webkit-mask-image:radial-gradient(ellipse at 70% 45%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse at 70% 45%,#000 20%,transparent 75%)}
.hero-inner{width:min(var(--wrap),100% - 32px);margin-inline:auto;padding:64px 0 34px}
.slides{display:grid}
.slide{grid-area:1/1;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;opacity:0;visibility:hidden;transition:opacity .7s,visibility .7s}
.slide.active{opacity:1;visibility:visible}
.slide-copy>*{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
.slide.active .slide-copy>*{opacity:1;transform:none}
.slide.active .slide-copy>*:nth-child(2){transition-delay:.12s}
.slide.active .slide-copy>*:nth-child(3){transition-delay:.24s}
.slide.active .slide-copy>*:nth-child(4){transition-delay:.36s}
.slide.active .slide-copy>*:nth-child(5){transition-delay:.48s}
.slide .h1{font-family:var(--font-head);font-size:clamp(2.6rem,6.2vw,5rem);font-weight:700;line-height:.98;text-transform:uppercase;color:#fff;margin:14px 0 0;text-wrap:balance}
.slide .h1 em{font-style:normal;color:var(--forge);display:block}
.slide .lead{font-size:1.12rem;color:#c3cad1;max-width:540px;margin:20px 0 30px}
.slide .actions{display:flex;gap:14px;flex-wrap:wrap}
.spec-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;padding:0;list-style:none}
.spec-tags li{font:600 .78rem var(--font-body);letter-spacing:.06em;color:#dfe5ea;border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:6px 12px;background:rgba(255,255,255,.04)}
.slide-art{position:relative;justify-self:center;width:100%;max-width:520px;aspect-ratio:1;opacity:0;transform:scale(.88) rotate(-6deg);transition:opacity 1s,transform 1.2s cubic-bezier(.2,.8,.2,1)}
.slide.active .slide-art{opacity:1;transform:none}
.slide-art svg{width:100%;height:100%;overflow:visible;filter:drop-shadow(0 30px 60px rgba(0,0,0,.6))}
.slide-art .spin{transform-origin:50% 50%;animation:spin 60s linear infinite}
.slide-art .glow{animation:glow 3.5s ease-in-out infinite}
.slide-art .dim{stroke:var(--forge);stroke-width:1.2;fill:none;opacity:.8}
.slide-art .dim-t{fill:var(--forge);font:600 13px var(--font-body);letter-spacing:.06em}
.slide-art .draw{stroke-dasharray:600;stroke-dashoffset:600}
.slide.active .slide-art .draw{animation:draw 1.6s .5s forwards cubic-bezier(.4,0,.2,1)}
@keyframes draw{to{stroke-dashoffset:0}}
.slide-bg{position:absolute;inset:0;z-index:-2;background:center/cover no-repeat;opacity:0;transition:opacity 1s}
.slide-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,13,15,.94) 0%,rgba(11,13,15,.75) 45%,rgba(11,13,15,.35) 100%)}
.slide.active.has-photo .slide-bg{opacity:1;animation:kenburns 14s ease-out forwards}
@keyframes kenburns{from{transform:scale(1.08)}to{transform:scale(1)}}
.slide.has-photo .slide-art{display:none}
.slide.has-photo{grid-template-columns:1fr}
.sl-controls{display:flex;align-items:flex-end;gap:24px;margin-top:46px}
.dots{display:flex;gap:16px;flex:1;min-width:0}
.dot{flex:1;max-width:230px;background:none;border:0;color:#7f8892;text-align:left;cursor:pointer;padding:14px 0 0;position:relative;font:600 .8rem var(--font-body);letter-spacing:.1em;text-transform:uppercase;transition:color .3s}
.dot b{display:block;font:700 1.35rem var(--font-head);letter-spacing:0;color:inherit}
.dot::before,.dot::after{content:"";position:absolute;left:0;top:0;height:3px;border-radius:2px}
.dot::before{right:0;background:rgba(255,255,255,.14)}
.dot::after{width:0;background:var(--forge)}
.dot:hover,.dot.active{color:#fff}
.dot.active::after{width:100%}
.dot.run::after{width:0;animation:fill 6.5s linear forwards}
@keyframes fill{to{width:100%}}
.sl-arrows{display:flex;gap:10px}
.sl-arrows button{width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.04);cursor:pointer;display:grid;place-items:center;transition:.25s}
.sl-arrows button:hover{background:var(--forge);border-color:var(--forge)}
.sl-arrows svg{width:20px;height:20px;fill:#fff}
.sl-arrows button:hover svg{fill:var(--on-accent)}
.sl-prev svg{transform:rotate(180deg)}
.hero-trust{border-top:1px solid rgba(255,255,255,.08);background:rgba(0,0,0,.25)}
.hero-trust ul{width:min(var(--wrap),100% - 32px);margin:0 auto;padding:18px 0 78px;list-style:none;display:flex;flex-wrap:wrap;gap:12px 34px;color:#aeb6be;font-size:.9rem}
.hero-trust li{display:flex;align-items:center;gap:10px}
.hero-trust strong{color:#fff;font-family:var(--font-head);font-size:1.25rem;letter-spacing:.02em}
.hero-trust svg{width:18px;height:18px;fill:var(--forge)}

/* category rail */
.rail{position:relative;z-index:3;margin-top:-56px;padding:0}
.rail-grid{display:grid;grid-template-columns:repeat(6,1fr);background:#fff;border-radius:18px;box-shadow:0 30px 60px -30px rgba(11,13,15,.45);border:1px solid var(--line);overflow:hidden}
.rail a{padding:24px 20px;display:flex;flex-direction:column;gap:6px;border-right:1px solid var(--line);position:relative;transition:background .3s}
.rail a:last-child{border-right:0}
.rail a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--forge);transform:scaleX(0);transform-origin:left;transition:transform .35s}
.rail a:hover{background:var(--mist)}
.rail a:hover::after{transform:none}
.rail svg{width:34px;height:34px;fill:none;stroke:var(--ink);stroke-width:1.6;margin-bottom:6px;transition:transform .35s}
.rail a:hover svg{transform:translateY(-3px);stroke:var(--accent-ink)}
.rail strong{font:700 1.15rem var(--font-head);text-transform:uppercase;color:var(--ink);letter-spacing:.02em}
.rail span{font-size:.8rem;color:var(--muted)}

/* =================== BLOG =================== */
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .35s,box-shadow .35s}
.post-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.post-card[hidden]{display:none}
.post-art{position:relative;aspect-ratio:16/9;background:var(--ink);overflow:hidden;display:grid;place-items:center}
.post-art::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(196,222,9,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(196,222,9,.08) 1px,transparent 1px);background-size:28px 28px}
.post-art svg{position:relative;width:38%;height:auto;fill:none;stroke:var(--forge);stroke-width:1.3;transition:transform .6s}
.post-card:hover .post-art svg{transform:scale(1.08) rotate(-4deg)}
.post-art .pill{position:absolute;left:16px;top:16px;background:var(--forge);color:var(--on-accent);font:700 .72rem var(--font-body);letter-spacing:.1em;text-transform:uppercase;padding:6px 12px;border-radius:999px}
.post-card .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:1.45rem;margin:0}
.post-card p{color:var(--muted);font-size:.95rem;margin:0}
.post-meta{margin-top:auto;padding-top:8px;font-size:.82rem;color:var(--steel);display:flex;gap:14px}
.blog-filter{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:40px}
.blog-filter button{font:600 .9rem var(--font-body);border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 18px;cursor:pointer;transition:.25s}
.blog-filter button[aria-pressed="true"],.blog-filter button:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.article{max-width:760px;min-width:0}
.article h2{font-size:clamp(1.7rem,3vw,2.2rem);margin:44px 0 14px;scroll-margin-top:100px}
.article p,.article li{color:#3a4550;font-size:1.05rem;line-height:1.75}
.article ul,.article ol{padding-left:22px;margin:0 0 1.2em}
.article li{margin-bottom:6px}
.article a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:3px}
.article .spec{margin:10px 0 18px}
.article .spec td,.article .spec th{font-size:.95rem}
.table-scroll{overflow-x:auto;max-width:100%}
.formula{font:600 1rem ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--ink);color:var(--forge);padding:14px 18px;border-radius:10px;overflow-x:auto}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;color:#aeb6be;font-size:.9rem}
.toc{list-style:none;padding:0;margin:0 0 20px}
.toc a{display:block;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:.92rem}
.toc a:hover{color:var(--forge)}

/* =================== CALCULATOR =================== */
.calc{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden;display:grid;grid-template-columns:1.25fr 1fr}
.calc-in{padding:34px;min-width:0}
.calc-out{background:var(--ink);color:#c3cad1;padding:34px;display:flex;flex-direction:column;gap:18px;min-width:0}
.shapes{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:24px}
.shapes button{display:flex;flex-direction:column;align-items:center;gap:8px;padding:14px 8px;border:1.5px solid var(--line);border-radius:12px;background:var(--mist);cursor:pointer;font:700 .82rem var(--font-body);color:var(--ink);transition:.2s}
.shapes button svg{width:38px;height:38px;fill:none;stroke:currentColor;stroke-width:1.6}
.shapes button:hover{border-color:var(--forge)}
.shapes button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.shapes button[aria-pressed="true"] svg{stroke:var(--forge)}
.calc .field small{font-weight:500;color:var(--muted)}
.calc .row3{display:grid;grid-template-columns:1fr 110px;gap:12px}
#c-dims{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:0 14px}
.res-big{font:700 clamp(2.6rem,5vw,3.6rem) var(--font-head);color:var(--forge);line-height:1;font-variant-numeric:tabular-nums}
.res-big small{font-size:1.2rem;color:#fff;margin-left:6px}
.res-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.res-grid div{background:var(--ink-2);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:14px 16px}
.res-grid span{display:block;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:#8a939c}
.res-grid strong{font:700 1.5rem var(--font-head);color:#fff;font-variant-numeric:tabular-nums}
.calc-out .formula{background:var(--ink-2);font-size:.85rem;white-space:pre-wrap}
.calc-err{color:#ffb4a8;font-weight:600;font-size:.9rem;margin:0}
a[aria-disabled="true"]{opacity:.5;pointer-events:none}
.calc-promo{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;background:var(--ink);border-radius:22px;padding:54px;color:#c3cad1;position:relative;overflow:hidden;isolation:isolate}
.calc-promo::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(196,222,9,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(196,222,9,.07) 1px,transparent 1px);background-size:32px 32px;-webkit-mask-image:linear-gradient(90deg,transparent,#000);mask-image:linear-gradient(90deg,transparent,#000)}
.calc-promo h2{color:#fff}
.mini-calc{background:var(--ink-2);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:24px;font-variant-numeric:tabular-nums}
.mini-calc .ln{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.12);font-size:.95rem}
.mini-calc .ln:last-child{border:0;font:700 1.5rem var(--font-head);color:var(--forge)}

@media (max-width:1100px){
  .rail-grid{grid-template-columns:repeat(3,1fr)}
  .rail a:nth-child(3){border-right:0}
  .rail a:nth-child(-n+3){border-bottom:1px solid var(--line)}
}
@media (max-width:980px){
  .slide{grid-template-columns:1fr;gap:10px}
  .slide-art{max-width:300px;order:-1}
  .hero-inner{padding:36px 0 26px}
  .calc{grid-template-columns:1fr}
  .calc-promo{grid-template-columns:1fr;padding:36px 26px}
}
@media (max-width:640px){
  .dot{font-size:.68rem;letter-spacing:.06em}
  .dot b{font-size:1.1rem}
  .sl-arrows{display:none}
  .slide-art{max-width:230px}
  .rail-grid{grid-template-columns:1fr 1fr}
  .rail a{border-bottom:1px solid var(--line)}
  .rail a:nth-child(odd){border-right:1px solid var(--line)}
  .rail a:nth-child(even){border-right:0}
  .rail a:nth-child(3){border-right:1px solid var(--line)}
  .rail a:nth-child(n+5){border-bottom:0}
  .calc-in,.calc-out{padding:24px}
  .shapes{grid-template-columns:repeat(3,1fr)}
  .res-grid{grid-template-columns:1fr}
  .hero-trust ul{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px;font-size:.78rem}
  .hero-trust li{flex-direction:column;align-items:flex-start;gap:2px}
  .hero-trust strong{font-size:1.05rem}
  .hero-trust svg{display:none}
}
@media (prefers-reduced-motion:reduce){
  .slide-copy>*,.slide-art{opacity:1;transform:none}
  .slide-art .draw{stroke-dashoffset:0}
}

/* photo hero refinements */
.slide.has-photo .slide-copy{max-width:680px;padding-block:40px}
.slider .slide-bg{z-index:-2}
.slider:has(.has-photo) .blueprint{opacity:.35}
.slide-bg::after{background:linear-gradient(90deg,rgba(11,13,15,.95) 0%,rgba(11,13,15,.8) 42%,rgba(11,13,15,.35) 100%),linear-gradient(0deg,rgba(11,13,15,.9) 0%,transparent 35%)}
@media (max-width:980px){.slide-bg::after{background:linear-gradient(0deg,rgba(11,13,15,.96) 10%,rgba(11,13,15,.72) 100%)}}

@media (max-width:980px){.menu-open{overflow:hidden}}

/* keep slider controls above fading slides */
.slide-copy,.slide-art{position:relative;z-index:1}
.sl-controls,.hero-trust{position:relative;z-index:2}
.menu-open .fab-wa,.menu-open .to-top{opacity:0;visibility:hidden;pointer-events:none}
@media (max-width:640px){.nav{width:100vw;padding-top:110px}}