:root{
  --blue:#2c5a7e; --blue-d:#1d4159; --blue-l:#eef4f8; --blue-acc:#3a86c4;
  --ink:#1a232c; --ink2:#51606c; --muted:#8a97a2; --line:#e7ebee; --line2:#d7dde2;
  --paper:#fafbfc; --white:#fff;
  --sans:"Inter","Noto Sans SC","PingFang SC",-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--white);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 40px}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in,.reveal-all .reveal{opacity:1;transform:none}
.ey{font-size:11px;letter-spacing:4px;text-transform:uppercase;color:var(--blue);font-weight:600}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{width:46px;height:46px;object-fit:contain}
.brand .bname{font-size:16px;font-weight:700;letter-spacing:2px;color:var(--blue-d)}
nav ul{display:flex;gap:4px;list-style:none}
nav a{font-size:14px;color:var(--ink2);letter-spacing:.5px;padding:8px 16px;border-radius:30px;transition:.2s ease}
nav a:hover{color:var(--blue);background:var(--blue-l)}
nav a.on{color:var(--blue);background:var(--blue-l);font-weight:600}
.nr{display:flex;align-items:center;gap:20px}
.lang{position:relative;display:inline-flex;border:1px solid var(--line2);border-radius:30px;padding:2px}
.lang .thumb{position:absolute;top:2px;left:2px;width:38px;height:calc(100% - 4px);background:var(--blue);border-radius:30px;transition:transform .3s cubic-bezier(.34,1.25,.5,1)}
.lang[data-active="en"] .thumb{transform:translateX(38px)}
.lang .seg{position:relative;z-index:1;width:38px;text-align:center;font-size:12px;font-weight:600;line-height:1;padding:6px 0;border-radius:30px;color:var(--muted);cursor:pointer;border:none;background:transparent;transition:color .25s;font-family:inherit;letter-spacing:.5px}
.lang .seg.active{color:#fff}
.lang .seg:not(.active):hover{color:var(--blue)}
.qbtn{font-size:13.5px;font-weight:600;color:var(--blue);border:1px solid var(--line2);border-radius:30px;padding:8px 18px;transition:.2s ease}
.qbtn:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.navtog{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:0;border:none;background:transparent;cursor:pointer}
.navtog span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.25s ease}
header.nav-open .navtog span:nth-child(1){transform:translateY(7px) rotate(45deg)}
header.nav-open .navtog span:nth-child(2){opacity:0}
header.nav-open .navtog span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* homepage diagonal hero */
.hero-split{position:relative;min-height:600px;display:flex;align-items:center;overflow:hidden;background:#fff;text-align:left;padding:80px 0}
.hero-split .himg{position:absolute;top:0;right:0;width:52%;height:100%;background:url('hero-wire.jpg') center/cover no-repeat;clip-path:polygon(38% 0,100% 0,100% 100%,0 100%)}
.hero-split .wrap{position:relative;z-index:2;width:100%}
.hero-split .htext{max-width:560px}
.hero-split .ey{color:var(--blue)}
.hero-split h1{color:var(--ink);margin:20px 0 0;line-height:1.18;max-width:470px;font-size:54px;font-weight:600;letter-spacing:-1px}
.hero-split h1 .lt{color:var(--blue)}
.hero-split h1 .cursor{border-right:3px solid var(--blue);padding-right:2px;animation:blinkc .9s step-end infinite}
@keyframes blinkc{50%{border-color:transparent}}
.hero-split .hbtn{display:inline-flex;align-items:center;gap:9px;margin-top:34px;color:#fff;background:var(--blue);font-weight:600;font-size:15px;padding:13px 26px;border-radius:30px;width:max-content;transition:.2s ease}
.hero-split .hbtn:hover{background:var(--blue-d);transform:translateY(-2px)}

/* homepage generic section */
section{padding:132px 0}
.shead{margin-bottom:56px}
.shead h2{font-size:35px;font-weight:600;letter-spacing:-.6px}
.shead p{font-size:16px;color:var(--ink2);margin-top:8px;max-width:560px}

/* product catalogue table */
.ptable{width:100%;border-collapse:collapse;font-size:14.5px}
.ptable thead th{text-align:left;font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);font-weight:600;padding:0 18px 14px;border-bottom:2px solid var(--ink)}
.ptable tbody tr{border-bottom:1px solid var(--line);transition:.18s}
.ptable tbody tr:hover{background:var(--blue-l)}
.ptable td{padding:22px 18px;vertical-align:middle;color:var(--ink2)}
.ptable .grade{font-size:22px;font-weight:700;color:var(--ink);letter-spacing:.3px}
.ptable .alloy{font-size:12.5px;color:var(--muted);margin-top:2px}
.ptable td b{color:var(--ink);font-weight:600}
.ptable .go{display:inline-block;color:var(--blue);font-weight:600;white-space:nowrap;padding:7px 15px;border-radius:30px;transition:.2s ease}
.ptable .go:hover{background:var(--blue);color:#fff}

/* applications — capsule cards */
.applist{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.arow{display:flex;align-items:center;gap:14px;padding:17px 26px;border:1px solid var(--line2);border-radius:40px;background:var(--white);transition:.2s ease}
.arow:hover{border-color:var(--blue);background:var(--blue-l);transform:translateY(-2px);box-shadow:0 16px 32px -22px rgba(44,90,126,.5)}
.arow b{font-size:16.5px;font-weight:600;color:var(--ink);transition:.2s ease}
.arow:hover b{color:var(--blue)}
.arow span{font-size:12.5px;color:var(--muted);letter-spacing:.4px;margin-left:auto;transition:.2s ease}
.arow:hover span{color:var(--blue-acc)}

/* craft */
.craft{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.craft .wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.craft img{width:100%;border-radius:16px;display:block}
.craft h2{font-size:31px;font-weight:600;letter-spacing:-.6px;line-height:1.28}
.craft p{font-size:16px;color:var(--ink2);margin-top:18px}
.craft .mini{margin-top:28px;display:flex;flex-direction:column;gap:0}
.craft .mini div{padding:16px 0;border-top:1px solid var(--line2);display:flex;gap:16px}
.craft .mini .n{color:var(--blue);font-weight:700;font-size:14px;min-width:26px}
.craft .mini b{font-weight:600}
.craft .mini p{margin:2px 0 0;font-size:13.5px}

/* services */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--ink)}
.svc > div{padding:30px 28px 0 0}
.svc .n{font-size:13px;color:var(--blue);font-weight:700;letter-spacing:1px}
.svc h3{font-size:19px;font-weight:600;margin:12px 0 8px}
.svc p{font-size:14px;color:var(--ink2)}

/* contact */
.contact{text-align:center}
.contact h2{font-size:38px;font-weight:700;letter-spacing:-.4px}
.contact p{font-size:16px;color:var(--ink2);max-width:480px;margin:16px auto 0}
.clines{display:inline-flex;gap:0;margin-top:34px;border:1px solid var(--line2);border-radius:14px;overflow:hidden}
.clines a{padding:18px 30px;font-size:15px;font-weight:600;color:var(--ink);transition:.18s}
.clines a:first-child{border-right:1px solid var(--line2)}
.clines a:hover{background:var(--blue);color:#fff}
.clines small{display:block;font-size:11px;color:var(--muted);font-weight:500;letter-spacing:1px;text-transform:uppercase;margin-bottom:4px}
.clines a:hover small{color:#cfe0ec}

/* contact: centered intro + two-column (form | contacts panel) */
.chead{max-width:560px;margin:0 auto}
.cgrid{display:grid;grid-template-columns:1.5fr 1fr;gap:34px;align-items:stretch;max-width:980px;margin:48px auto 0;text-align:left}
.iform{margin:0;max-width:none}
.iform .frow{display:flex;gap:14px;flex-wrap:wrap}
.iform .fld{flex:1 1 150px;display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.iform .fld span{font-size:12.5px;font-weight:600;color:var(--ink2);letter-spacing:.3px}
.iform input,.iform textarea{font-family:inherit;font-size:14.5px;color:var(--ink);background:#fff;border:1px solid var(--line2);border-radius:12px;padding:11px 14px;width:100%;transition:.2s ease}
.iform textarea{resize:vertical;min-height:96px}
.iform input:focus,.iform textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-l)}
.iform input::placeholder,.iform textarea::placeholder{color:var(--muted)}
.fbtns{display:flex;align-items:center;gap:16px;margin-top:8px;flex-wrap:wrap}
.fsubmit{display:inline-flex;align-items:center;color:#fff;background:var(--blue);font-weight:600;font-size:15px;padding:13px 30px;border:none;border-radius:30px;cursor:pointer;font-family:inherit;transition:.2s ease}
.fsubmit:hover{background:var(--blue-d);transform:translateY(-2px)}
.fsubmit:disabled{opacity:.55;cursor:default;transform:none}
.fmsg{font-size:13.5px;color:var(--ink2)}
.fmsg.ok{color:var(--blue)}
.fmsg.err{color:#b3402f}
/* right-hand contacts panel */
.caside{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:26px;display:flex;flex-direction:column;justify-content:space-between;gap:22px}
.caside .ck{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--muted);font-weight:600}
.cwx{display:flex;align-items:center;gap:16px}
.cwx img{width:108px;height:108px;display:block;border-radius:10px;background:#fff;border:1px solid var(--line)}
.cwx-t b{display:block;font-size:15px;font-weight:600;color:var(--ink)}
.cwx-t span{display:block;font-size:12.5px;color:var(--muted);margin-top:3px;line-height:1.5}
.cdiv{height:1px;background:var(--line)}
.cmail{display:block}
.cmail .cmk{display:block;font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:5px}
.cmail b{font-size:16px;color:var(--blue);font-weight:600;word-break:break-all}
.cmail:hover b{text-decoration:underline}
@media(max-width:760px){.cgrid{grid-template-columns:1fr;gap:22px;max-width:560px}}
@media(max-width:560px){.iform .frow{flex-direction:column;gap:0}}

/* footer */
footer{border-top:1px solid var(--line);padding:40px 0;margin-top:40px}
.foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted)}
.foot .brand b{color:var(--ink)}

/* ============ INNER PAGES ============ */
/* inner page header (replaces diagonal hero) */
.pagehead{padding:116px 0 56px;border-bottom:1px solid var(--line);background:var(--paper)}
.crumb{font-size:12.5px;color:var(--muted);margin-bottom:20px;letter-spacing:.3px}
.crumb a:hover{color:var(--blue)}
.crumb i{font-style:normal;margin:0 9px;color:var(--line2)}
.pagehead h1{font-size:44px;font-weight:600;letter-spacing:-1px;line-height:1.16;max-width:800px}
.pagehead .lead{font-size:18px;color:var(--ink2);max-width:700px;margin-top:18px}
.pagehead .tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.pagehead .tag{font-size:12.5px;font-weight:600;color:var(--blue);background:var(--blue-l);padding:6px 14px;border-radius:30px}

/* inner section spacing */
.psec{padding:74px 0}
.psec.alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* prose */
.prose{max-width:760px}
.prose h2{font-size:27px;font-weight:600;letter-spacing:-.4px;margin:8px 0 14px}
.prose h3{font-size:19px;font-weight:600;margin:34px 0 10px}
.prose p{font-size:16px;color:var(--ink2);margin:12px 0}
.prose ul{margin:14px 0 14px 2px;list-style:none}
.prose li{font-size:15.5px;color:var(--ink2);padding:7px 0 7px 26px;position:relative}
.prose li:before{content:"";position:absolute;left:0;top:15px;width:14px;height:2px;background:var(--blue)}
.prose strong{color:var(--ink);font-weight:600}
.prose a{color:var(--blue);font-weight:500}.prose a:hover{text-decoration:underline}

/* datasheet layout */
.dgrid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:start}
.dcard{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:26px 30px;margin-bottom:22px}
.dcard h3{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:14px}
.spec{width:100%;border-collapse:collapse;font-size:14.5px}
.spec tr{border-bottom:1px solid var(--line)}.spec tr:last-child{border-bottom:none}
.spec td{padding:11px 0;color:var(--ink2)}
.spec td:last-child{text-align:right;color:var(--ink);font-weight:500}
.chem{width:100%;border-collapse:collapse;font-size:13px}
.chem th{text-align:left;font-size:11px;letter-spacing:.5px;text-transform:uppercase;color:var(--muted);font-weight:600;padding:0 8px 10px;border-bottom:2px solid var(--ink)}
.chem td{padding:9px 8px;border-bottom:1px solid var(--line);color:var(--ink2)}
.chem td:first-child{font-weight:600;color:var(--ink)}
.note{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.65}

/* cards grid */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;transition:.2s}
.card:hover{border-color:var(--blue);box-shadow:0 18px 40px -24px rgba(44,90,126,.4);transform:translateY(-3px)}
.card .k{display:inline-block;font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--blue);font-weight:600;background:var(--blue-l);padding:5px 12px;border-radius:30px}
.card h3{font-size:22px;font-weight:700;margin:8px 0 6px;color:var(--ink)}
.card p{font-size:14px;color:var(--ink2)}
.card .go{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:600;color:var(--blue)}

/* CTA band */
.ctaband{background:var(--blue-d);color:#fff;border-radius:20px;padding:54px 50px;text-align:center}
.ctaband h2{font-size:30px;font-weight:600;color:#fff;letter-spacing:-.4px}
.ctaband p{color:#cfe0ec;margin-top:10px;font-size:16px}
.ctaband .btn{display:inline-flex;margin-top:26px;background:#fff;color:var(--blue-d);font-weight:600;font-size:15px;padding:13px 28px;border-radius:30px;transition:.2s}
.ctaband .btn:hover{background:var(--blue-l);transform:translateY(-2px)}

@media(max-width:820px){
  .hero h1{font-size:38px}.applist{grid-template-columns:1fr}
  .hero-split{flex-direction:column;padding:40px 0 0}.hero-split .himg{position:relative;width:100%;height:240px;clip-path:polygon(0 18%,100% 0,100% 100%,0 100%)}.hero-split .htext{max-width:100%;padding:32px 0 8px}
  .hero-split h1{font-size:38px}
  .craft .wrap{grid-template-columns:1fr;gap:32px}.svc{grid-template-columns:1fr}
  .ptable thead{display:none}.ptable td{display:block;padding:4px 0}.ptable tbody tr{display:block;padding:18px 0}
  .pagehead h1{font-size:32px}.dgrid{grid-template-columns:1fr;gap:32px}
  .ctaband{padding:40px 26px}
  /* mobile header: hamburger + dropdown nav */
  .navtog{display:flex}
  .qbtn{display:none}
  .brand .bname{font-size:15px;letter-spacing:.5px}
  .nr{gap:12px}
  header nav{position:absolute;top:72px;left:0;right:0;display:none;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px -22px rgba(0,0,0,.28);padding:6px 0}
  header.nav-open nav{display:block}
  header nav ul{flex-direction:column;gap:0}
  header nav a{display:block;border-radius:0;padding:14px 24px;font-size:15.5px;letter-spacing:.3px}
  header nav a:hover,header nav a.on{background:var(--blue-l)}
  /* tighter mobile spacing */
  .wrap{padding:0 22px}
  section{padding:64px 0}
  .shead{margin-bottom:30px}.shead h2{font-size:28px}
  .contact h2{font-size:30px}
  .pagehead{padding:84px 0 38px}
  .psec{padding:46px 0}
  footer{padding:30px 0;margin-top:0}
}
/* prevent wide datasheet tables from overflowing the page */
.dgrid>*{min-width:0}
.dcard{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media(max-width:560px){
  .chem{font-size:11.5px}.chem th,.chem td{padding:8px 6px}
  .pagehead h1{font-size:27px}
}