:root{
  --navy-950:#081D34;
  --navy-900:#0B2A4A;
  --navy-800:#0F3960;
  --navy-700:#154A7A;
  --blue-600:#1F6FB2;
  --blue-500:#2B84CC;
  --blue-100:#E8F1FA;
  --steel-600:#4C6B87;
  --steel-400:#7E97AD;
  --steel-200:#C7D4E0;
  --paper:#FFFFFF;
  --paper-dim:#F4F7FA;
  --border:#DDE4EC;
  --amber-600:#B4590A;
  --amber-500:#D9701A;
  --amber-100:#FDF0E4;
  --ink:#101826;
  --ink-soft:#455063;
  --ok:#1E7A4C;
  --font-head:'Manrope', 'Inter', sans-serif;
  --font-body:'Inter', -apple-system, sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
ul{list-style:none;}
.mono{font-family:var(--font-mono);letter-spacing:0.05em;text-transform:uppercase;}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}

/* ===== Utility bar ===== */
.utility-bar{background:var(--navy-950);color:var(--steel-200);font-family:var(--font-mono);font-size:11px;letter-spacing:0.05em;}
.utility-inner{max-width:1320px;margin:0 auto;padding:8px 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:6px;}
.utility-inner span{opacity:0.92;}
.utility-inner .divider{opacity:0.35;margin:0 8px;}
.utility-inner .brand-tag{color:#fff;font-weight:600;}

/* ===== Header ===== */
header.site{position:sticky;top:0;z-index:200;background:var(--paper);border-bottom:1px solid var(--border);box-shadow:0 1px 0 rgba(8,29,52,0.02);}
.nav-wrap{max-width:1320px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:76px;}
.logo{display:flex;align-items:center;gap:12px;}
.logo-mark{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.logo-mark img{width:100%;height:100%;object-fit:contain;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text .name{font-family:var(--font-head);font-weight:800;font-size:18px;color:var(--navy-950);letter-spacing:-0.01em;}
.logo-text .tag{font-family:var(--font-mono);font-size:9px;letter-spacing:0.1em;color:var(--steel-600);margin-top:2px;text-transform:uppercase;}

nav.primary{display:flex;align-items:center;gap:2px;}
.nav-item{position:relative;}
.nav-link{display:flex;align-items:center;gap:6px;padding:12px 16px;color:var(--ink-soft);font-size:14px;font-weight:600;border-radius:6px;transition:background .15s ease,color .15s ease;}
.nav-item:hover .nav-link, .nav-link.active{color:var(--navy-950);background:var(--paper-dim);}
.caret{width:8px;height:8px;transition:transform .2s ease;opacity:0.65;}
.nav-item:hover .caret{transform:rotate(180deg);}

.cta-header{display:flex;align-items:center;gap:14px;}
.btn-quote{background:var(--amber-500);color:#fff;padding:11px 22px;font-size:13.5px;font-weight:700;letter-spacing:0.01em;border-radius:6px;transition:background .18s ease, transform .18s ease;white-space:nowrap;}
.btn-quote:hover{background:var(--amber-600);transform:translateY(-1px);}

/* Mega menu */
.mega{
  position:absolute;top:100%;left:0;transform:translateY(8px);
  width:min(880px, 90vw);background:#fff;border:1px solid var(--border);border-top:3px solid var(--amber-500);
  border-radius:10px;box-shadow:0 20px 50px -12px rgba(8,29,52,0.18);
  opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease, transform .18s ease;
  padding:26px;display:grid;grid-template-columns:repeat(4,1fr);gap:22px 24px;z-index:50;
}
.nav-item:hover .mega{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0);}
.mega-col-title{font-family:var(--font-mono);font-size:10px;letter-spacing:0.08em;color:var(--amber-600);text-transform:uppercase;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--border);}
.mega-col a{display:block;padding:5px 0;color:var(--ink-soft);font-size:13px;transition:color .15s ease;}
.mega-col a:hover{color:var(--navy-900);}
.mega-foot{grid-column:1/-1;margin-top:4px;padding-top:16px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;}
.mega-foot .note{color:var(--steel-600);font-size:12px;}
.mega-foot a{color:var(--amber-600);font-size:12.5px;font-weight:700;display:flex;align-items:center;gap:6px;}

.mega.simple{width:300px;display:block;padding:10px;}
.mega.simple a{display:block;padding:10px 12px;border-radius:6px;font-size:13px;color:var(--ink-soft);}
.mega.simple a:hover{background:var(--paper-dim);}

/* Mobile nav */
.mobile-toggle{display:none;color:var(--navy-950);width:42px;height:42px;align-items:center;justify-content:center;border-radius:6px;}
.mobile-toggle:hover{background:var(--paper-dim);}
.mobile-drawer{
  position:fixed;inset:0;z-index:500;display:none;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .scrim{position:absolute;inset:0;background:rgba(8,15,25,0.5);}
.mobile-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;
  overflow-y:auto;padding:20px 18px 40px;box-shadow:-10px 0 40px rgba(0,0,0,0.2);
}
.mobile-panel-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:16px;border-bottom:1px solid var(--border);margin-bottom:10px;}
.mobile-close{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:6px;color:var(--navy-950);}
.mobile-close:hover{background:var(--paper-dim);}
.m-acc{border-bottom:1px solid var(--border);}
.m-acc-head{display:flex;justify-content:space-between;align-items:center;padding:14px 6px;font-weight:700;font-size:14.5px;color:var(--navy-950);}
.m-acc-body{display:none;padding:0 6px 14px 14px;}
.m-acc.open .m-acc-body{display:block;}
.m-acc.open .m-acc-head .caret{transform:rotate(180deg);}
.m-acc-body a{display:block;padding:8px 0;font-size:13.5px;color:var(--ink-soft);}
.m-acc-sub{font-family:var(--font-mono);font-size:10px;color:var(--amber-600);text-transform:uppercase;margin:10px 0 4px;letter-spacing:0.06em;}
.m-link{display:block;padding:14px 6px;font-weight:700;font-size:14.5px;color:var(--navy-950);border-bottom:1px solid var(--border);}
.m-cta{margin-top:20px;}

/* ===== Hero ===== */
.hero{position:relative;background:var(--navy-950);padding:76px 24px 84px;overflow:hidden;}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg, var(--navy-950) 0%, var(--navy-900) 55%, var(--navy-800) 100%);}
.hero-grid{position:absolute;inset:0;opacity:0.35;background-image:linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);background-size:56px 56px;mask-image:linear-gradient(to bottom, black, transparent 80%);}
.hero-inner{position:relative;max-width:1320px;margin:0 auto;display:block;}
.hero-bg-scene{position:absolute;inset:0;z-index:0;overflow:hidden;}
.hero-bg-scene img{width:100%;height:100%;object-fit:cover;object-position:center;}
.hero-scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(100deg, var(--navy-950) 0%, var(--navy-950) 28%, rgba(8,29,52,0.88) 46%, rgba(8,29,52,0.35) 68%, transparent 88%);}
.hero-text-col{position:relative;z-index:2;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:11px;letter-spacing:0.1em;color:var(--amber-500);text-transform:uppercase;margin-bottom:22px;background:rgba(217,112,26,0.12);padding:8px 14px;border-radius:20px;border:1px solid rgba(217,112,26,0.25);}
h1.hero-title{font-family:var(--font-head);font-weight:800;color:#fff;font-size:clamp(32px,4vw,52px);line-height:1.12;letter-spacing:-0.01em;max-width:600px;}
h1.hero-title span{color:var(--blue-500);}
.hero-sub{color:var(--steel-200);font-size:16px;line-height:1.65;max-width:520px;margin-top:20px;}
.hero-cta-row{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.btn-primary{background:var(--amber-500);color:#fff;padding:14px 26px;font-size:14.5px;font-weight:700;border-radius:6px;display:inline-flex;align-items:center;gap:10px;transition:transform .18s ease, background .18s ease;}
.btn-primary:hover{background:var(--amber-600);transform:translateY(-2px);}
.btn-ghost{border:1.5px solid rgba(255,255,255,0.25);color:#fff;padding:14px 26px;font-size:14.5px;font-weight:700;border-radius:6px;transition:border-color .18s ease, background .18s ease;}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,0.06);}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:44px;border-top:1px solid rgba(255,255,255,0.14);padding-top:22px;max-width:560px;}
.stat{padding-right:26px;margin-right:26px;border-right:1px solid rgba(255,255,255,0.14);}
.stat:last-child{border-right:none;}
.stat .num{font-family:var(--font-head);font-size:26px;color:#fff;font-weight:800;}
.stat .lbl{font-family:var(--font-mono);font-size:9.5px;letter-spacing:0.06em;color:var(--steel-400);text-transform:uppercase;margin-top:4px;}



/* ===== Section shells ===== */
section{padding:80px 24px;}
.section-inner{max-width:1320px;margin:0 auto;}
.section-head{max-width:640px;margin-bottom:48px;}
.section-eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:0.1em;color:var(--amber-600);text-transform:uppercase;margin-bottom:12px;}
h2.section-title{font-family:var(--font-head);font-size:clamp(26px,2.8vw,38px);font-weight:800;line-height:1.14;letter-spacing:-0.01em;color:var(--navy-950);}
.section-desc{margin-top:14px;font-size:15.5px;line-height:1.65;color:var(--ink-soft);}

/* ===== Materials grid ===== */
.materials-band{background:var(--paper-dim);}
.mat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.mat-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:26px 22px;transition:box-shadow .2s ease, border-color .2s ease, transform .2s ease;}
.mat-card:hover{box-shadow:0 16px 32px -14px rgba(8,29,52,0.18);border-color:var(--blue-500);transform:translateY(-3px);}
.mat-card .idx{font-family:var(--font-mono);font-size:10.5px;color:var(--amber-600);letter-spacing:0.06em;}
.mat-card h3{font-family:var(--font-head);font-size:18px;font-weight:800;color:var(--navy-950);margin:12px 0 8px;}
.mat-card p{font-size:12.8px;color:var(--ink-soft);line-height:1.55;min-height:52px;}
.mat-card .grades-list{margin-top:14px;padding-top:12px;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:6px;}
.grade-chip{font-family:var(--font-mono);font-size:10px;color:var(--navy-800);background:var(--blue-100);border:1px solid var(--border);padding:4px 8px;border-radius:4px;}
.grade-chip.more{color:var(--amber-600);background:var(--amber-100);}
.mat-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:12.5px;font-weight:700;color:var(--blue-600);}

/* ===== Services ===== */
.services-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;}
.svc-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:24px 20px;transition:box-shadow .2s ease;}
.svc-card:hover{box-shadow:0 16px 32px -14px rgba(8,29,52,0.14);}
.svc-num{width:34px;height:34px;border-radius:8px;background:var(--navy-900);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:12px;font-weight:700;}
.svc-card h4{font-family:var(--font-head);font-size:15.5px;font-weight:800;margin:14px 0 8px;line-height:1.25;}
.svc-card p{font-size:12.5px;color:var(--ink-soft);line-height:1.55;}

/* ===== Industries ===== */
.industries-wrap{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;}
.ind-card{border:1px solid var(--border);border-radius:10px;padding:22px 14px;text-align:center;transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;background:#fff;}
.ind-card:hover{border-color:var(--blue-500);transform:translateY(-3px);box-shadow:0 14px 30px -14px rgba(8,29,52,0.16);}
.ind-icon{width:42px;height:42px;margin:0 auto 12px;border-radius:50%;background:var(--blue-100);display:flex;align-items:center;justify-content:center;color:var(--blue-600);}
.ind-card h4{font-size:13px;font-weight:700;color:var(--navy-950);}

/* ===== Export band ===== */
.export-band{background:var(--navy-950);color:#fff;}
.export-band .section-desc{color:var(--steel-300, #9db0c7);}
.export-band h2.section-title{color:#fff;}
.export-band .section-eyebrow{color:var(--amber-500);}
.export-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px;}
.export-item{background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.12);padding:24px;border-radius:10px;}
.export-item .k{font-family:var(--font-mono);font-size:10px;letter-spacing:0.06em;color:var(--amber-500);text-transform:uppercase;}
.export-item .v{font-family:var(--font-head);font-size:17px;font-weight:700;margin-top:8px;color:#fff;}

/* ===== Trust strip ===== */
.trust-strip{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:36px 24px;display:flex;align-items:center;justify-content:center;gap:44px;flex-wrap:wrap;}
.trust-item{display:flex;align-items:center;gap:10px;color:var(--navy-950);}
.trust-item .mark{width:34px;height:34px;background:var(--paper-dim);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--navy-900);font-family:var(--font-head);font-weight:800;font-size:12px;}
.trust-item .mark svg{width:18px;height:18px;}
.trust-item span{font-family:var(--font-mono);font-size:11px;letter-spacing:0.04em;text-transform:uppercase;color:var(--ink-soft);}

/* ===== CTA band ===== */
.cta-band{background:var(--navy-900);padding:64px 24px;position:relative;overflow:hidden;}
.cta-band::before{content:'';position:absolute;right:-6%;top:-40%;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle, rgba(217,112,26,0.22), transparent 70%);}
.cta-inner{position:relative;max-width:1320px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:24px;}
.cta-inner h2{font-family:var(--font-head);font-size:clamp(22px,2.6vw,32px);color:#fff;font-weight:800;max-width:560px;line-height:1.2;}
.btn-white{background:#fff;color:var(--navy-900);padding:15px 28px;font-weight:800;font-size:14px;border-radius:6px;transition:transform .18s ease;}
.btn-white:hover{transform:translateY(-2px);}

/* ===== Footer ===== */
footer.site{background:var(--navy-950);color:var(--steel-400);padding:60px 24px 26px;}
.footer-top{max-width:1320px;margin:0 auto 34px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,0.1);}
.footer-brand-line{display:flex;align-items:center;gap:12px;}
.footer-brand-line .name{font-family:var(--font-head);font-size:16px;font-weight:800;color:#fff;}
.footer-brand-line .tag{font-family:var(--font-mono);font-size:10px;letter-spacing:0.08em;color:var(--amber-500);text-transform:uppercase;}
.footer-grid{max-width:1320px;margin:0 auto;display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr 1.1fr;gap:36px;}
.footer-col h5{font-family:var(--font-mono);font-size:10.5px;letter-spacing:0.08em;color:var(--amber-500);text-transform:uppercase;margin-bottom:16px;}
.footer-col a{display:block;padding:5px 0;font-size:13px;color:var(--steel-400);transition:color .15s ease;}
.footer-col a:hover{color:#fff;}
.footer-about p{font-size:12.8px;line-height:1.7;color:var(--steel-400);max-width:280px;}
.footer-bottom{max-width:1320px;margin:48px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,0.1);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--steel-600, #6b8299);}

/* ===== Page shell ===== */
.page-hero{background:var(--navy-950);padding:52px 24px 44px;position:relative;overflow:hidden;}
.page-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg, var(--navy-950), var(--navy-900));}
.breadcrumb{position:relative;font-family:var(--font-mono);font-size:11px;letter-spacing:0.04em;color:var(--steel-400);text-transform:uppercase;margin-bottom:16px;display:flex;gap:6px;align-items:center;flex-wrap:wrap;}
.breadcrumb a:hover{color:#fff;}
.page-hero h1{position:relative;font-family:var(--font-head);font-size:clamp(26px,3.2vw,42px);color:#fff;font-weight:800;max-width:720px;}
.page-hero p.lede{position:relative;margin-top:14px;color:var(--steel-200);max-width:640px;font-size:14.5px;line-height:1.6;}

/* ===== Products index page ===== */
.products-index{max-width:1320px;margin:0 auto;padding:56px 24px 90px;}
.cat-block{margin-bottom:48px;}
.cat-head{display:flex;align-items:baseline;gap:14px;margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--border);}
.cat-head h3{font-family:var(--font-head);font-size:20px;font-weight:800;color:var(--navy-950);}
.cat-head span{font-family:var(--font-mono);font-size:10.5px;color:var(--amber-600);text-transform:uppercase;letter-spacing:0.05em;}
.cat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.gcard{border:1px solid var(--border);padding:18px;border-radius:8px;cursor:pointer;transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;background:#fff;}
.gcard:hover{border-color:var(--blue-500);transform:translateY(-3px);box-shadow:0 14px 28px -14px rgba(8,29,52,0.16);}
.gcard .un{font-family:var(--font-mono);font-size:9.5px;color:var(--steel-600);}
.gcard h4{font-family:var(--font-head);font-size:15.5px;font-weight:800;margin:8px 0 6px;color:var(--navy-950);}
.gcard .std{font-size:11px;color:var(--ink-soft);}

/* ===== Grade detail page ===== */
.grade-body{max-width:1160px;margin:0 auto;padding:56px 24px 100px;}
.grade-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;}
.gsec{margin-bottom:40px;}
.gsec h3{font-family:var(--font-head);font-size:19px;font-weight:800;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--border);color:var(--navy-950);}
.comp-table, .mech-table, .equiv-table{width:100%;border-collapse:collapse;font-size:13px;min-width:420px;}
.comp-table th, .comp-table td, .mech-table th, .mech-table td, .equiv-table th, .equiv-table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--border);}
.comp-table th, .mech-table th, .equiv-table th{font-family:var(--font-mono);font-size:10px;letter-spacing:0.05em;color:var(--steel-600);text-transform:uppercase;background:var(--paper-dim);}
.comp-table td:first-child, .mech-table td:first-child, .equiv-table td:first-child{font-weight:700;color:var(--navy-950);}
.app-tags{display:flex;flex-wrap:wrap;gap:8px;}
.app-tag{font-size:12px;padding:7px 13px;background:var(--blue-100);border-radius:20px;color:var(--navy-800);border:1px solid var(--border);}
.grade-sidebar{position:sticky;top:96px;align-self:start;}
.side-panel{border:1px solid var(--border);padding:22px;border-radius:10px;margin-bottom:16px;background:#fff;}
.side-panel h5{font-family:var(--font-mono);font-size:10px;letter-spacing:0.06em;color:var(--amber-600);text-transform:uppercase;margin-bottom:12px;}
.side-panel .sp-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--border);font-size:12.5px;gap:10px;}
.side-panel .sp-row:last-child{border-bottom:none;}
.side-panel .sp-row span:first-child{color:var(--steel-600);flex-shrink:0;}
.side-panel .sp-row span:last-child{font-weight:700;font-family:var(--font-mono);font-size:11.5px;text-align:right;}
.grade-cta{background:var(--navy-950);padding:24px;border-radius:10px;text-align:center;}
.grade-cta p{color:var(--steel-200);font-size:13px;margin-bottom:14px;}
.grade-cta .btn-primary{width:100%;justify-content:center;}
.other-grades{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;}
.other-grades a{font-family:var(--font-mono);font-size:10.5px;padding:6px 10px;border:1px solid var(--border);border-radius:5px;color:var(--navy-800);}
.other-grades a:hover{border-color:var(--blue-500);color:var(--blue-600);}
.faq-item{border:1px solid var(--border);border-radius:8px;margin-bottom:10px;overflow:hidden;}
.faq-q{padding:14px 16px;font-weight:700;font-size:13.5px;background:var(--paper-dim);color:var(--navy-950);}
.faq-a{padding:14px 16px;font-size:13px;color:var(--ink-soft);line-height:1.6;}

/* ===== Service detail page ===== */
.service-body{max-width:980px;margin:0 auto;padding:56px 24px 100px;}
.svc-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0 40px;}
.svc-step{background:#fff;border:1px solid var(--border);border-radius:10px;padding:22px;}
.svc-step .n{font-family:var(--font-head);font-size:18px;color:var(--blue-600);font-weight:800;}
.svc-step h5{font-family:var(--font-head);font-size:15px;margin:10px 0 8px;}
.svc-step p{font-size:12.5px;color:var(--ink-soft);line-height:1.55;}
.svc-specs{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px;}
.svc-spec-item{border:1px solid var(--border);padding:15px 17px;border-radius:8px;background:#fff;}
.svc-spec-item .k{font-family:var(--font-mono);font-size:9.5px;letter-spacing:0.04em;color:var(--amber-600);text-transform:uppercase;}
.svc-spec-item .v{font-size:13.5px;font-weight:700;margin-top:6px;}

/* ===== Industries / Export / Quality / About page bodies ===== */
.page-body{max-width:1320px;margin:0 auto;padding:56px 24px 100px;}
.ind-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.ind-detail{background:#fff;border:1px solid var(--border);border-radius:10px;padding:30px;}
.ind-detail h4{font-family:var(--font-head);font-size:17px;font-weight:800;margin-bottom:10px;display:flex;align-items:center;gap:12px;}
.ind-detail h4 .ind-icon{margin:0;flex-shrink:0;}
.ind-detail p{font-size:13.2px;color:var(--ink-soft);line-height:1.6;margin-bottom:12px;}
.ind-detail .chips{display:flex;flex-wrap:wrap;gap:7px;}

.qual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px;}
.qual-card{border:1px solid var(--border);padding:26px;border-radius:10px;background:#fff;}
.qual-card .badge{width:44px;height:44px;background:var(--navy-900);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--font-head);font-weight:800;margin-bottom:14px;font-size:13px;flex-shrink:0;}
.qual-card .badge svg{width:22px;height:22px;}
.qual-card h4{font-family:var(--font-head);font-size:15.5px;margin-bottom:8px;}
.qual-card p{font-size:12.5px;color:var(--ink-soft);line-height:1.55;}

.about-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:48px;align-items:start;}
.about-copy p{font-size:14.5px;line-height:1.75;color:var(--ink-soft);margin-bottom:16px;}
.about-copy h4{font-family:var(--font-head);font-size:17px;margin:24px 0 10px;color:var(--navy-950);}
.group-list{display:flex;flex-direction:column;gap:10px;}
.group-item{background:#fff;border:1px solid var(--border);padding:18px 20px;border-radius:10px;}
.group-item.is-parent{border-color:var(--blue-500);background:var(--blue-100);}
.group-item .n{font-family:var(--font-mono);font-size:9.5px;color:var(--amber-600);text-transform:uppercase;}
.group-item h5{font-family:var(--font-head);font-size:15px;margin:6px 0 4px;color:var(--navy-950);}
.group-item p{font-size:12px;color:var(--ink-soft);}

/* ===== Contact page ===== */
.contact-wrap{max-width:1080px;margin:0 auto;padding:56px 24px 100px;display:grid;grid-template-columns:1fr 1fr;gap:48px;}
.form-group{margin-bottom:16px;}
.form-group label{display:block;font-family:var(--font-mono);font-size:10px;letter-spacing:0.05em;text-transform:uppercase;color:var(--steel-600);margin-bottom:7px;}
.form-group input, .form-group select, .form-group textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:6px;font-family:var(--font-body);font-size:13.5px;background:#fff;color:var(--ink);}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus{outline:none;border-color:var(--blue-500);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.btn-submit{background:var(--amber-500);color:#fff;padding:14px 28px;font-weight:700;font-size:14px;border-radius:6px;width:100%;transition:background .18s ease;}
.btn-submit:hover{background:var(--amber-600);}
.contact-info-card{background:var(--navy-950);padding:30px;border-radius:10px;color:var(--steel-200);}
.contact-info-card h4{font-family:var(--font-head);color:#fff;font-size:17px;margin-bottom:18px;}
.cinfo-row{display:flex;gap:14px;padding:15px 0;border-bottom:1px solid rgba(255,255,255,0.12);}
.cinfo-row:last-child{border-bottom:none;}
.cinfo-row .ic{color:var(--amber-500);flex-shrink:0;}
.cinfo-row .k{font-family:var(--font-mono);font-size:9.5px;letter-spacing:0.04em;color:var(--steel-400);text-transform:uppercase;}
.cinfo-row .v{font-size:13.5px;margin-top:4px;}
.form-note{font-size:11px;color:var(--steel-600);margin-top:12px;}

/* view toggle */
.view{display:none;}
.view.active{display:block;}

@media (max-width:1100px){
  nav.primary, .cta-header .btn-quote{display:none;}
  .mobile-toggle{display:flex;}
  .hero-inner{grid-template-columns:1fr;}
  .mat-grid{grid-template-columns:repeat(2,1fr);}
  .services-grid{grid-template-columns:repeat(2,1fr);}
  .industries-wrap{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .export-grid{grid-template-columns:1fr;}
  .grade-layout, .about-grid, .contact-wrap{grid-template-columns:minmax(0,1fr);}
  .grade-sidebar{position:static;}
  .cat-cards{grid-template-columns:repeat(2,1fr);}
  .ind-detail-grid, .qual-grid, .svc-steps{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .mat-grid{grid-template-columns:1fr;}
  .services-grid{grid-template-columns:1fr;}
  .industries-wrap{grid-template-columns:repeat(2,1fr);}
  .hero{padding:52px 16px 64px;}
  .hero-scrim{background:linear-gradient(180deg, var(--navy-950) 0%, rgba(8,29,52,0.92) 60%, rgba(8,29,52,0.75) 100%);}
  section{padding:52px 16px;}
  .nav-wrap{padding:0 16px;height:68px;}
  .utility-bar{font-size:10px;}
  .utility-inner{padding:7px 16px;}
  .logo-text .name{font-size:15px;}
  .logo-mark{width:36px;height:36px;font-size:14px;}
  h1.hero-title{font-size:28px;}
  .hero-cta-row{flex-direction:column;}
  .hero-cta-row a{text-align:center;}
  .hero-stats{gap:0;}
  .stat{padding-right:16px;margin-right:16px;min-width:40%;margin-bottom:14px;}
  .cat-cards{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .form-row{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .btn-white{width:100%;text-align:center;}
  .page-hero{padding:40px 16px 34px;}
  .products-index, .grade-body, .service-body, .page-body, .contact-wrap{padding-left:16px;padding-right:16px;}
}

.gallery-section{margin-top:56px;}
.gallery-head{display:flex;align-items:baseline;gap:14px;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--border);}
.gallery-head h3{font-family:var(--font-head);font-size:20px;font-weight:800;color:var(--navy-950);}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.gallery-item{position:relative;border-radius:10px;overflow:hidden;aspect-ratio:4/3;border:1px solid var(--border);}
.gallery-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s ease;}
.gallery-item:hover img{transform:scale(1.05);}
.gallery-cap{position:absolute;left:0;right:0;bottom:0;padding:10px 12px;background:linear-gradient(0deg, rgba(8,29,52,0.85), transparent);color:#fff;font-size:12px;font-weight:600;}
@media (max-width:900px){.gallery-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.gallery-grid{grid-template-columns:1fr;}}