/* Weldon Industrial d.o.o. – site.css */
:root{
  --navy-900:#061a3a;--navy-800:#0a2a5c;--navy-700:#0d3a7a;
  --blue-600:#0b56a8;--blue-500:#1d6fd1;--blue-400:#3d86e0;--blue-300:#8fc1ff;--blue-100:#e6effb;
  --steel-700:#4b5563;--steel-500:#8a9099;--steel-300:#c6cbd2;--steel-100:#eef1f4;
  --ink:#0f172a;--muted:#566070;--ok:#15803d;--warn:#b45309;--bad:#b91c1c;
  --radius:10px;--shadow:0 10px 30px rgba(6,26,58,.12);
  --steel-grad:linear-gradient(180deg,#f4f6f8 0%,#d4d8dd 48%,#b6bcc4 52%,#e3e6ea 100%);
  --metal-nav:linear-gradient(180deg,#f7f8fa 0%,#e1e4e8 38%,#c9ced5 52%,#d8dce1 72%,#eceef1 100%);
  --blue-grad:linear-gradient(135deg,#0a2a5c 0%,#0f3f85 45%,#1a5fb8 100%);
  --dd-grad:linear-gradient(180deg,#0f4592 0%,#0b3576 100%);
  --light-bg:url(../img/pattern-light.svg) center top/1400px auto,radial-gradient(ellipse at 50% 30%,#fbfcfd 0%,#eceff2 60%,#e1e5e9 100%);
  --plain-bg:linear-gradient(180deg,#fdfdfe 0%,#f1f3f6 55%,#e8ebef 100%);
  --blue-bg:url(../img/pattern-blue.svg) center top/1400px auto,var(--blue-grad);
  --blue-bg-dense:url(../img/pattern-blue.svg) center top/620px auto,linear-gradient(145deg,#0d3471 0%,#1250a0 60%,#1d63bf 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#eceff2;line-height:1.6;font-size:16px}
h1,h2,h3,h4{font-family:Saira,Inter,sans-serif;line-height:1.15;margin:0 0 .5em;letter-spacing:.01em}
a{color:inherit;text-decoration:none}
p a,.prose a,td a{color:var(--blue-500);text-decoration:underline;text-underline-offset:2px}
img{max-width:100%;display:block}
.container{width:min(1200px,92%);margin-inline:auto}
.eyebrow{font-family:Saira;font-weight:600;font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;color:var(--blue-500)}
.btn{white-space:nowrap;display:inline-flex;align-items:center;gap:.55rem;font-family:Saira;font-weight:600;letter-spacing:.04em;padding:.85rem 1.5rem;border-radius:6px;transition:.2s;border:2px solid transparent;cursor:pointer;font-size:1rem;text-decoration:none!important}
.btn-primary{background:linear-gradient(180deg,#2a7be0,#1660c2);color:#fff!important}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff!important}
.btn-ghost:hover{background:#fff;color:var(--navy-800)!important}
.btn-steel{background:var(--steel-grad);color:var(--navy-800)!important;border-color:#aeb4bc}
.btn-steel:hover{filter:brightness(1.05)}
.btn-outline{border-color:var(--navy-800);color:var(--navy-800)!important;background:transparent}
.btn-outline:hover{background:var(--navy-800);color:#fff!important}
.btn-sm{padding:.5rem 1rem;font-size:.9rem}
svg.i{width:20px;height:20px;flex:none}
.light{background:var(--light-bg)}
.plain{background:var(--plain-bg)}
.blue{background:var(--blue-bg);color:#fff}
.sep{height:3px;border:0;margin:0;background:linear-gradient(90deg,rgba(10,42,92,0) 0%,#0a2a5c 18%,#1a5fb8 50%,#0a2a5c 82%,rgba(10,42,92,0) 100%)}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;z-index:999;background:#fff;padding:.5rem 1rem}

/* top bar */
.topbar{background:var(--navy-900);color:#c7d3e6;font-size:.86rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.45rem 0;flex-wrap:wrap}
.topbar .contact{display:flex;gap:1.4rem;flex-wrap:wrap}
.topbar .contact a{display:inline-flex;align-items:center;gap:.4rem}
.topbar .contact a:hover{color:#fff}
.topbar svg.i{width:15px;height:15px;color:var(--blue-400)}
.lang{display:flex;gap:.25rem}
.lang a{padding:.1rem .5rem;border-radius:4px;font-weight:600;font-size:.8rem}
.lang a.active{background:var(--blue-500);color:#fff}
.lang a:not(.active):hover{color:#fff}

/* header */
header.site{position:sticky;top:0;z-index:50;box-shadow:0 4px 18px rgba(6,26,58,.18)}
.brandbar{background:linear-gradient(180deg,#fff,#f1f3f6)}
.brandbar .container{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:.6rem 0}
.logo img{height:54px;width:auto}
.brandbar .right{display:flex;align-items:center;gap:1.2rem}
.brandbar .hint{font-size:.84rem;color:var(--muted);text-align:right;line-height:1.35;max-width:500px}
.brandbar .hint b{color:var(--navy-800);font-family:Saira;font-size:.98rem}
.burger{display:none;background:none;border:0;cursor:pointer;color:var(--navy-800);padding:.3rem}
nav.main{background:var(--metal-nav);border-top:1px solid #fff;border-bottom:3px solid #0a2a5c;box-shadow:inset 0 -1px 0 #aeb4bc}
nav.main>.container>ul{list-style:none;margin:0;padding:0;display:flex;align-items:stretch}
nav.main li{position:relative}
nav.main>.container>ul>li>a{display:flex;align-items:center;gap:.35rem;font-family:Saira;font-weight:600;font-size:.95rem;color:var(--navy-800);padding:.82rem .95rem;letter-spacing:.02em;white-space:nowrap;border-right:1px solid rgba(10,42,92,.12);box-shadow:1px 0 0 rgba(255,255,255,.7)}
nav.main>.container>ul>li:first-child>a{border-left:1px solid rgba(10,42,92,.12)}
nav.main>.container>ul>li>a:hover,nav.main>.container>ul>li:hover>a{background:linear-gradient(180deg,#ffffff 0%,#e6eaef 50%,#d3d9e0 100%);color:var(--blue-600)}
nav.main a.active{color:var(--blue-600)!important;box-shadow:inset 0 -3px 0 var(--blue-500)!important}
nav.main .caret{width:10px;height:10px;opacity:.7}
nav.main .dd{position:absolute;top:100%;left:0;min-width:280px;padding:.4rem 0;display:none;z-index:60;background:var(--dd-grad);border-top:3px solid #3d86e0;box-shadow:0 18px 40px rgba(6,26,58,.35);border-radius:0 0 8px 8px}
nav.main li:hover>.dd,nav.main li:focus-within>.dd{display:block}
nav.main .dd a{display:block;color:#dce8f8;padding:.58rem 1.1rem;font-size:.93rem;font-weight:500;border-left:3px solid transparent}
nav.main .dd a:hover,nav.main .dd a.active{background:linear-gradient(90deg,rgba(61,134,224,.45),rgba(61,134,224,0));color:#fff!important;border-left-color:#8fc1ff;box-shadow:none!important}
nav.main .dd .lbl{font-family:Saira;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:#8fb8f0;padding:.6rem 1.1rem .2rem}

/* home hero */
.hero{position:relative;color:#fff;background:var(--navy-900);overflow:hidden}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:saturate(.9)}
.hero .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,26,58,.97) 0%,rgba(10,42,92,.9) 42%,rgba(10,42,92,.5) 75%,rgba(10,42,92,.3) 100%)}
.hero .container{position:relative;padding:5.5rem 0 6.5rem;display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center}
.hero h1{font-size:clamp(2rem,4.2vw,3.4rem);font-weight:800;margin:.6rem 0 1.1rem}
.hero h1 span{background:var(--steel-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.1rem;color:#d6e0ef;max-width:600px;margin:0 0 2rem}
.hero .actions{display:flex;gap:1rem;flex-wrap:wrap}
.hero .eyebrow{color:#8fb8f0}
.hero-card{background:linear-gradient(160deg,rgba(255,255,255,.14),rgba(255,255,255,.05));backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);border-radius:14px;padding:1.6rem}
.hero-card h3{font-size:1rem;letter-spacing:.08em;text-transform:uppercase;color:#a9c6ee;margin-bottom:.8rem}
.spec{display:flex;justify-content:space-between;gap:1rem;padding:.6rem 0;border-bottom:1px dashed rgba(255,255,255,.18)}
.spec:last-child{border:0}
.spec span{color:#c4d1e4}
.spec b{font-family:Saira;font-weight:600;text-align:right}
.hero-stripe{position:absolute;left:0;right:0;bottom:0;height:6px;background:linear-gradient(90deg,var(--blue-500),var(--navy-700) 50%,#9aa1aa)}

/* inner page hero */
.phero{background:var(--blue-bg);color:#fff;position:relative}
.phero .container{padding:2.6rem 0 2.8rem}
.phero h1{font-size:clamp(1.8rem,3.6vw,2.8rem);margin:.4rem 0 .5rem;font-weight:800}
.phero p{margin:0;color:#c9d8ee;max-width:760px;font-size:1.05rem}
.crumbs{font-size:.85rem;color:#a9c6ee;display:flex;flex-wrap:wrap;gap:.4rem}
.crumbs a:hover{color:#fff}
.crumbs span.s{opacity:.5}
.phero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--blue-500),var(--navy-700) 50%,#9aa1aa)}

/* pillars */
.pillars{position:relative;margin-top:-3.2rem;z-index:2}
.pillars .container{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
.pillar{border-radius:14px;padding:1.8rem 2rem;display:flex;gap:1.3rem;align-items:flex-start;box-shadow:var(--shadow);transition:.25s}
.pillar:hover{transform:translateY(-3px)}
.pillar.prod{background:linear-gradient(135deg,#ffffff,#eef2f7);border:1px solid #dfe4ea}
.pillar.trade{background:linear-gradient(135deg,#0f3f85,#1a5fb8);color:#fff}
.pillar .ico{width:58px;height:58px;border-radius:12px;display:grid;place-items:center;flex:none}
.pillar.prod .ico{background:var(--blue-grad);color:#fff}
.pillar.trade .ico{background:var(--steel-grad);color:var(--navy-800)}
.pillar h3{font-size:1.35rem;margin-bottom:.3rem}
.pillar.prod h3{color:var(--navy-800)}
.pillar p{margin:0 0 .7rem;font-size:.95rem}
.pillar.prod p{color:var(--muted)}
.pillar.trade p{color:#d3e1f4}
.pillar .more{font-family:Saira;font-weight:600;display:inline-flex;gap:.4rem;align-items:center}
.pillar.prod .more{color:var(--blue-500)}

/* sections */
section{padding:5rem 0}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;margin-bottom:2.4rem;flex-wrap:wrap}
.sec-head h2{font-size:clamp(1.7rem,3vw,2.5rem);color:var(--navy-800);margin:.3rem 0 0}
.sec-head p{max-width:520px;color:var(--muted);margin:0}
.blue .sec-head h2{color:#fff}
.blue .sec-head p{color:#c4d4ea}
.blue .eyebrow{color:#8fc1ff}

/* cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem}
.pcard{background:#fff;border:1px solid #dfe4ea;border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--blue-500)}
.pcard .ph{height:180px;background-size:cover;background-position:center;position:relative}
.pcard .ph.draw{background-color:#f6f7f9;background-size:contain;background-repeat:no-repeat;border-bottom:1px solid #e3e7ec}
.pcard .ph:not(.draw)::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,26,58,0) 35%,rgba(6,26,58,.6))}
.tag{position:absolute;left:1rem;bottom:.8rem;z-index:1;font-family:Saira;font-weight:700;color:#fff;letter-spacing:.06em;font-size:.85rem;background:linear-gradient(180deg,#2a7be0,#1660c2);padding:.15rem .6rem;border-radius:4px}
.pcard .body{padding:1.3rem 1.3rem 1.5rem;display:flex;flex-direction:column;flex:1}
.pcard h3{font-size:1.18rem;color:var(--navy-800)}
.pcard p{color:var(--muted);font-size:.93rem;margin:0 0 1rem;flex:1}
.more{font-family:Saira;font-weight:600;color:var(--blue-500);display:inline-flex;gap:.4rem;align-items:center}
.nw{white-space:nowrap}

/* trade cards */
.tradegrid{display:grid;grid-template-columns:repeat(5,1fr);gap:1.2rem}
.tcard{border:1px solid rgba(255,255,255,.28);border-radius:12px;padding:1.4rem 1.2rem;background:linear-gradient(160deg,rgba(20,70,150,.92),rgba(10,45,100,.94));box-shadow:0 10px 26px rgba(3,15,40,.3);transition:.25s;display:flex;flex-direction:column;color:#fff}
.tcard:hover{background:linear-gradient(160deg,rgba(29,95,190,.96),rgba(12,55,120,.97));border-color:#8fc1ff;transform:translateY(-3px)}
svg.draw{width:100%;height:96px;margin-bottom:1rem}
svg.draw *{fill:none;stroke:#fff;stroke-width:1.6}
svg.draw .c{stroke:#8fc1ff;stroke-dasharray:8 3 2 3;stroke-width:1}
svg.draw .f{fill:rgba(143,193,255,.18)}
svg.draw text{fill:#8fc1ff;stroke:none;font:600 13px Saira}
.tcard h3{font-size:1.08rem;margin-bottom:.35rem}
.tcard p{font-size:.88rem;color:#d3e1f4;margin:0 0 .8rem;flex:1}
.tcard .more{font-size:.9rem;color:#8fc1ff}
.tradenote{margin-top:2rem;display:flex;justify-content:space-between;align-items:center;gap:1.5rem;flex-wrap:wrap;padding:1.2rem 1.5rem;border-radius:12px;background:rgba(6,26,58,.45);border:1px solid rgba(255,255,255,.14)}
.tradenote p{margin:0;color:#d3e1f4}

/* about split */
.split .container{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.split .photo{position:relative}
.split .photo img{border-radius:14px;box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
.badge{position:absolute;right:-18px;bottom:-22px;color:#fff;border-radius:12px;padding:1.1rem 1.5rem;box-shadow:0 14px 30px rgba(6,26,58,.35);border-left:5px solid #8fc1ff;background:linear-gradient(135deg,#0a2a5c 0%,#124a96 60%,#1d6fd1 100%)}
.badge b{font-family:Saira;font-size:1.6rem;display:block;line-height:1}
.badge small{color:#c9d8ee}
.split h2{font-size:clamp(1.7rem,3vw,2.4rem);color:var(--navy-800)}
.split p{color:var(--muted)}
.checks{list-style:none;padding:0;margin:1.5rem 0 2rem;display:grid;grid-template-columns:1fr 1fr;gap:.8rem 1.4rem}
.checks li{display:flex;gap:.6rem;align-items:flex-start;font-weight:500}
.checks svg{color:var(--blue-500);margin-top:.15rem}

/* process */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem;counter-reset:s}
.step{position:relative;padding:1.4rem 1.2rem;border-radius:var(--radius);color:#fff;background:var(--blue-bg-dense);border:1px solid rgba(10,42,92,.6);border-top:4px solid #8fc1ff;box-shadow:0 10px 24px rgba(6,26,58,.22)}
.step::before{counter-increment:s;content:"0" counter(s);font-family:Saira;font-weight:800;font-size:2rem;color:rgba(255,255,255,.35);display:block;line-height:1;margin-bottom:.6rem}
.step b{font-family:Saira;display:block;margin-bottom:.3rem;font-size:1.05rem}
.step p{margin:0;font-size:.9rem;color:#d3e1f4}

/* catalog teaser */
.catbox{display:grid;grid-template-columns:1.2fr .8fr;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);background:#fff;border:1px solid #dfe4ea}
.catbox .txt{padding:3rem}
.catbox h2{color:var(--navy-800);font-size:clamp(1.6rem,2.6vw,2.2rem)}
.catbox p{color:var(--muted)}
.catbox .img{background-size:cover;background-position:center;min-height:280px;position:relative}
.catbox .img::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,0) 35%)}
.actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.5rem}

/* cta + footer */
.cta .container{display:flex;justify-content:space-between;align-items:center;gap:2rem;padding:3.2rem 0;flex-wrap:wrap}
.cta h2{font-size:clamp(1.6rem,2.8vw,2.3rem);margin:0 0 .3rem}
.cta p{margin:0;color:#c9d7ec}
footer{background:linear-gradient(180deg,#071d42 0%,#061a3a 60%,#04122b 100%);color:#aebcd2;font-size:.93rem;border-top:3px solid #1d6fd1}
footer .container.cols{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr 1.2fr;gap:2rem;padding:4rem 0 2.5rem}
footer h4{color:#fff;font-size:.95rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:1rem}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:.45rem}
footer a:hover{color:#fff}
.flogo{background:linear-gradient(180deg,#fff,#eef1f4);border-radius:10px;padding:.7rem 1rem;display:inline-block;margin-bottom:1rem}
.flogo img{height:40px}
.ci{display:flex;gap:.6rem;align-items:flex-start;margin-bottom:.6rem}
.ci svg{color:var(--blue-400);margin-top:.2rem;width:17px;height:17px}
.copy{border-top:1px solid rgba(255,255,255,.08)}
.copy .container{display:flex;justify-content:space-between;padding:1.2rem 0;font-size:.85rem;flex-wrap:wrap;gap:.5rem}

/* inner layout */
.page{padding:3.2rem 0 4.5rem}
.layout{display:grid;grid-template-columns:270px 1fr;gap:2rem;align-items:start}
.layout.full{grid-template-columns:1fr}
.sidenav{position:sticky;top:150px;background:#fff;border:1px solid #dfe4ea;border-radius:12px;overflow:hidden;box-shadow:0 6px 18px rgba(6,26,58,.06)}
.sidenav h4{margin:0;padding:.9rem 1.1rem;background:var(--blue-grad);color:#fff;font-size:.9rem;letter-spacing:.12em;text-transform:uppercase}
.sidenav .grp{font-family:Saira;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--steel-500);padding:.8rem 1.1rem .2rem}
.sidenav a{display:block;padding:.55rem 1.1rem;font-size:.93rem;border-left:3px solid transparent;color:var(--navy-800)}
.sidenav a:hover{background:var(--steel-100)}
.sidenav a.active{border-left-color:var(--blue-500);background:var(--blue-100);color:var(--blue-600);font-weight:600}
.sidenav .side-cta{margin:.8rem;padding:1rem;border-radius:10px;background:var(--blue-bg);color:#fff;font-size:.88rem}
.sidenav .side-cta b{font-family:Saira;display:block;font-size:1rem;margin-bottom:.3rem}
.sidenav .side-cta a{display:inline-flex;padding:0;margin-top:.5rem;color:#8fc1ff;border:0;font-weight:600}
.sidenav .side-cta a:hover{background:none;color:#fff}
.box{background:#fff;border:1px solid #dfe4ea;border-radius:14px;padding:2rem;box-shadow:0 6px 18px rgba(6,26,58,.05);margin-bottom:1.6rem}
.box>h2,.box>h3{color:var(--navy-800)}
.box h2{font-size:1.6rem}
.box h3{font-size:1.2rem;margin-top:1.4rem}
.box h3:first-child{margin-top:0}
.prose p,.prose li{color:#2a3240}
.prose ul{padding-left:1.2rem}
.prose li{margin:.25rem 0}
.lead2{font-size:1.08rem;color:#2a3240}
.kv{display:grid;grid-template-columns:200px 1fr;border:1px solid #e3e7ec;border-radius:10px;overflow:hidden;margin:1rem 0}
.kv dt,.kv dd{margin:0;padding:.6rem .9rem;border-bottom:1px solid #e3e7ec}
.kv dt{background:var(--steel-100);font-family:Saira;font-weight:600;color:var(--navy-800);font-size:.92rem;letter-spacing:.03em}
.kv dd{background:#fff}
.kv dt:last-of-type,.kv dd:last-of-type{border-bottom:0}
.figure{background:#f6f7f9;border:1px solid #e3e7ec;border-radius:10px;padding:.6rem;margin:1rem 0}
.figure img{margin:auto}
.figure figcaption{font-size:.82rem;color:var(--muted);text-align:center;padding-top:.4rem}
.note{background:var(--blue-100);border-left:4px solid var(--blue-500);border-radius:8px;padding:.9rem 1.1rem;margin:1rem 0;font-size:.94rem}
.note.warn{background:#fff7ed;border-left-color:#f59e0b}
.formula{font-family:"Cambria Math","Times New Roman",serif;font-size:1.12rem;background:#f8fafc;border:1px solid #e3e7ec;border-radius:8px;padding:.8rem 1rem;margin:.6rem 0;display:grid;gap:.35rem}
.chips{display:flex;gap:.5rem;flex-wrap:wrap;margin:.8rem 0}
.chip{display:inline-flex;align-items:center;gap:.35rem;padding:.3rem .75rem;border-radius:999px;background:var(--steel-100);border:1px solid #dfe4ea;font-size:.85rem;font-weight:600;color:var(--navy-800)}
.chip.on,.chip:hover{background:var(--blue-500);border-color:var(--blue-500);color:#fff}
.toc{display:flex;flex-wrap:wrap;gap:.5rem;margin:0 0 1.4rem}

/* grid children may shrink (tables scroll inside) */
.layout>*,.c2>*,.calcwrap>*,.cgrid>*,.grid2>*,.grid3>*,.wbody>*{min-width:0}

/* tables */
.tbl-wrap{overflow:auto;border:1px solid #dfe4ea;border-radius:10px;margin:1rem 0;background:#fff;max-width:100%}
table.dt{border-collapse:collapse;width:100%;font-size:.9rem;min-width:520px}
table.dt th{background:linear-gradient(180deg,#0f3f85,#0a2a5c);color:#fff;font-family:Saira;font-weight:600;font-size:.84rem;letter-spacing:.03em;padding:.55rem .6rem;text-align:center;border:1px solid rgba(255,255,255,.12);position:sticky;top:0;z-index:1}
table.dt th.l,table.dt td.l{text-align:left}
table.dt td{padding:.5rem .6rem;text-align:center;border-bottom:1px solid #e8ecf0;border-right:1px solid #f0f2f5}
table.dt tbody tr:nth-child(even) td{background:#f7f9fb}
table.dt tbody tr:hover td{background:var(--blue-100)}
table.dt td.rh{font-weight:700;color:var(--navy-800);background:#eef2f7!important;font-family:Saira}
table.dt.compat td{padding:.35rem .4rem;font-weight:700}
table.dt.compat th.v{writing-mode:vertical-rl;transform:rotate(180deg);height:150px;font-size:.78rem;white-space:nowrap}
.r-p{color:var(--ok)}.r-0{color:var(--warn)}.r-m{color:var(--bad)}
.tfilter{display:flex;gap:.8rem;align-items:center;flex-wrap:wrap;margin:.6rem 0}
.tfilter input{flex:1;min-width:220px;padding:.65rem .8rem;border:1px solid var(--steel-300);border-radius:6px;font:inherit;background:var(--steel-100)}
.legend{display:flex;gap:1rem;flex-wrap:wrap;font-size:.86rem;color:var(--muted)}
.legend b{font-size:1rem}

/* calculators */
.wcalc,.calcbox{background:#fff;border-radius:16px;box-shadow:var(--shadow);border:1.5px solid #0f3f85;overflow:hidden}
.wcalc .head,.calcbox .head{background:var(--blue-bg);color:#fff;padding:1.1rem 1.6rem;display:flex;align-items:center;gap:.7rem}
.wcalc .head h3,.calcbox .head h3{margin:0;font-size:1.25rem;color:#fff}
.calcbox .cbody{padding:1.4rem 1.6rem}
.shapes{display:grid;grid-template-columns:repeat(9,1fr);gap:.4rem;padding:1.1rem 1.2rem;background:var(--steel-100);border-bottom:1px solid #dfe4ea}
.shape{border:1px solid var(--steel-300);background:#fff;border-radius:8px;padding:.45rem .2rem .4rem;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:.25rem;font-size:.7rem;font-weight:600;color:var(--steel-700);text-align:center;line-height:1.15;transition:.15s;font-family:Inter}
.shape svg{width:38px;height:38px}
.shape svg *{fill:none;stroke:currentColor;stroke-width:1.8}
.shape:hover{border-color:var(--blue-500);color:var(--blue-500)}
.shape.on{background:var(--blue-grad);color:#fff;border-color:transparent}
.wbody{display:grid;grid-template-columns:200px 1fr;gap:1.4rem;padding:1.4rem 1.6rem}
.diagram{background:radial-gradient(ellipse at 50% 40%,#fbfcfd,#e8ecf0);border:1px solid #dfe4ea;border-radius:10px;display:grid;place-items:center;padding:.6rem;min-height:200px}
.diagram svg{width:100%;height:auto;max-height:190px}
.diagram svg .s{fill:rgba(29,111,209,.12);stroke:#0a2a5c;stroke-width:2}
.diagram svg .d{stroke:#1d6fd1;stroke-width:1.2;fill:none}
.diagram svg text{fill:#1d6fd1;font:600 14px Saira,sans-serif}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
.fields.three{grid-template-columns:repeat(3,1fr)}
.fields .full{grid-column:1/-1}
.fields label,.flabel{font-size:.8rem;font-weight:600;color:var(--steel-700);display:block;margin-bottom:.25rem}
.fields input,.fields select,.fields textarea,.inp{width:100%;padding:.65rem .75rem;border:1px solid var(--steel-300);border-radius:6px;font:inherit;background:var(--steel-100);color:var(--ink)}
.fields input:focus,.fields select:focus,.fields textarea:focus,.inp:focus{outline:2px solid var(--blue-500);background:#fff}
.unit{position:relative}
.unit input{padding-right:2.8rem}
.unit em{position:absolute;right:.7rem;top:50%;transform:translateY(-50%);font-style:normal;font-size:.8rem;color:var(--steel-500);pointer-events:none}
.wres{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #dfe4ea}
.wres div{padding:1.1rem 1.4rem;border-right:1px solid #dfe4ea}
.wres div:last-child{border-right:0;background:var(--blue-grad);color:#fff}
.wres span{display:block;font-size:.8rem;color:var(--steel-700);font-weight:600}
.wres div:last-child span{color:#c9d8ee}
.wres b{font-family:Saira;font-size:1.5rem;color:var(--navy-800)}
.wres div:last-child b{color:#fff}
.wres.two{grid-template-columns:repeat(2,1fr)}
.wres.four{grid-template-columns:repeat(4,1fr)}
.wnote{font-size:.78rem;color:var(--muted);padding:.8rem 1.6rem 1.2rem;margin:0}
.calcwrap{display:grid;grid-template-columns:1.6fr 1fr;gap:1.6rem;align-items:start}
.side{border-radius:16px;padding:1.6rem;background:var(--blue-bg);color:#fff;box-shadow:var(--shadow)}
.side h3{font-size:1.15rem;margin-bottom:1rem}
.side .lbl{font-family:Saira;font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:#8fc1ff;margin:1.2rem 0 .5rem}
.side a.row{display:flex;align-items:center;gap:.8rem;padding:.7rem .8rem;border-radius:8px;border:1px solid rgba(255,255,255,.14);margin-bottom:.5rem;background:rgba(255,255,255,.05);transition:.2s;font-weight:500;font-size:.95rem}
.side a.row:hover{background:rgba(255,255,255,.14);border-color:#8fc1ff}
.side a.row .ico{width:34px;height:34px;border-radius:8px;background:var(--steel-grad);display:grid;place-items:center;color:var(--navy-800);flex:none}
.side a.row .ico svg{width:17px;height:17px}
.side a.row .arr{margin-left:auto;color:#8fc1ff;width:16px;height:16px}
.formsel{display:grid;grid-template-columns:repeat(7,1fr);gap:.4rem;margin-bottom:1.2rem}
.formsel button{border:1px solid var(--steel-300);background:#fff;border-radius:8px;padding:.5rem .2rem;cursor:pointer;font-family:Saira;font-weight:700;color:var(--navy-800);font-size:1rem;line-height:1.1}
.formsel button small{display:block;font-family:Inter;font-weight:500;font-size:.66rem;color:var(--steel-500)}
.formsel button.on{background:var(--blue-grad);color:#fff;border-color:transparent}
.formsel button.on small{color:#c9d8ee}
.c2{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;align-items:start}
.c2.wide{grid-template-columns:1.6fr 1fr}
.kv{grid-template-columns:170px 1fr}
.status{margin-top:1rem;padding:.8rem 1rem;border-radius:8px;font-size:.92rem;display:none}
.status.ok{display:block;background:#ecfdf3;border-left:4px solid var(--ok)}
.status.warn{display:block;background:#fff7ed;border-left:4px solid #f59e0b}
.status.bad{display:block;background:#fef2f2;border-left:4px solid var(--bad)}
.rating{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.7rem;margin-top:1rem}
.rating div{border-radius:10px;padding:.9rem 1rem;border:1px solid #e3e7ec;background:#fff}
.rating div span{display:block;font-size:.8rem;color:var(--steel-700);font-weight:600}
.rating div b{font-family:Saira;font-size:1.05rem}
.rating .k1{border-left:5px solid var(--ok)}.rating .k1 b{color:var(--ok)}
.rating .k2{border-left:5px solid #f59e0b}.rating .k2 b{color:var(--warn)}
.rating .k3{border-left:5px solid var(--bad)}.rating .k3 b{color:var(--bad)}
.ktbar{display:flex;align-items:flex-end;gap:2px;height:140px;margin:1rem 0 .3rem;padding:0 .2rem;border-bottom:1px solid #c6cbd2}
.ktbar div{flex:1;background:linear-gradient(180deg,#3d86e0,#0f3f85);border-radius:3px 3px 0 0;position:relative;min-width:6px}
.ktbar div.hl{background:linear-gradient(180deg,#f59e0b,#b45309)}
.ktlab{display:flex;gap:2px;font-size:.62rem;color:var(--steel-500);padding:0 .2rem}
.ktlab span{flex:1;text-align:center;min-width:6px}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:.8rem}
.gal a{display:block;border-radius:10px;overflow:hidden;position:relative;aspect-ratio:16/10;background:#dfe4ea}
.gal img{width:100%;height:100%;object-fit:cover;transition:.35s}
.gal a:hover img{transform:scale(1.05)}
.lb{position:fixed;inset:0;background:rgba(3,12,30,.94);z-index:200;display:none;align-items:center;justify-content:center}
.lb.on{display:flex}
.lb img{max-width:92vw;max-height:84vh;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.lb button{position:absolute;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;width:48px;height:48px;border-radius:50%;cursor:pointer;font-size:1.4rem;display:grid;place-items:center}
.lb .x{top:1.2rem;right:1.2rem}.lb .pv{left:1.2rem;top:50%}.lb .nx{right:1.2rem;top:50%}
.lb .cnt{position:absolute;bottom:1.2rem;color:#c9d8ee;font-size:.9rem}

/* contact */
.cgrid{display:grid;grid-template-columns:1fr 1.3fr;gap:1.6rem;align-items:start}
.cinfo .ci{color:#2a3240;font-size:1rem;margin-bottom:.9rem}
.cinfo .ci svg{width:20px;height:20px;color:var(--blue-500)}
.map{border-radius:12px;overflow:hidden;border:1px solid #dfe4ea;margin-top:1rem}
.map iframe{width:100%;height:300px;border:0;display:block}
.hp{position:absolute;left:-5000px}

/* downloads */
.dl{display:flex;align-items:center;gap:1rem;padding:1rem 1.1rem;border:1px solid #e3e7ec;border-radius:10px;margin-bottom:.7rem;background:#fff;transition:.2s}
.dl:hover{border-color:var(--blue-500);box-shadow:0 6px 16px rgba(6,26,58,.08)}
.dl .ico{width:44px;height:44px;border-radius:8px;background:var(--blue-grad);color:#fff;display:grid;place-items:center;flex:none;font-family:Saira;font-weight:700;font-size:.8rem}
.dl b{display:block;color:var(--navy-800);font-family:Saira;font-size:1.02rem}
.dl small{color:var(--muted)}
.dl .go{margin-left:auto;color:var(--blue-500)}

/* print header (only in PDF) */
.print-head{display:none}

/* responsive */
@media (max-width:1180px){
  nav.main{position:fixed;top:0;right:0;bottom:0;width:min(340px,88vw);transform:translateX(100%);transition:.3s;overflow:auto;padding-top:4rem;border:0;box-shadow:-10px 0 30px rgba(0,0,0,.3);background:linear-gradient(180deg,#f3f5f7,#d9dde2)}
  nav.main.open{transform:none}
  nav.main>.container{width:100%}
  nav.main>.container>ul{flex-direction:column}
  nav.main>.container>ul>li>a{border:0;border-bottom:1px solid rgba(10,42,92,.1);box-shadow:none}
  nav.main .dd{position:static;display:block;box-shadow:none;border:0;border-radius:0}
  .burger{display:block;z-index:70;position:relative}
  .brandbar .hint{display:none}
  .shapes{grid-template-columns:repeat(5,1fr)}
  .tradegrid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  footer .container.cols{grid-template-columns:1fr 1fr 1fr}
  .layout{grid-template-columns:1fr}
  .sidenav{position:static;order:2}
  .formsel{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:900px){
  .hero .container,.split .container,.calcwrap,.catbox,.pillars .container,.cgrid,.c2{grid-template-columns:1fr}
  .hero .container{padding:4rem 0 6rem}
  .hero .bg::after{background:linear-gradient(180deg,rgba(6,26,58,.94),rgba(10,42,92,.86))}
  .grid3{grid-template-columns:1fr 1fr}
  .tradegrid{grid-template-columns:1fr 1fr}
  .wbody{grid-template-columns:1fr}
  .diagram{min-height:160px}
  .catbox .img{min-height:200px}
  .catbox .img::after{background:linear-gradient(180deg,#fff 0%,rgba(255,255,255,0) 35%)}
  .badge{right:12px}
  footer .container.cols{grid-template-columns:1fr 1fr}
  .gal{grid-template-columns:repeat(3,1fr)}
  .kv{grid-template-columns:1fr}
  .kv dt{border-bottom:0}
  .wres.four{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .grid3,.grid2,.tradegrid,.checks,.fields,.fields.three,footer .container.cols,.wres,.wres.two,.wres.four{grid-template-columns:1fr}
  .wres div{border-right:0;border-bottom:1px solid #dfe4ea}
  .shapes{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:1fr 1fr}
  .topbar .contact a:nth-child(2){display:none}
  .logo img{height:40px}
  .brandbar .right .btn{display:none}
  section{padding:3.6rem 0}
  .catbox .txt,.box{padding:1.4rem}
  .pillar{padding:1.4rem}
  .gal{grid-template-columns:1fr 1fr}
  .formsel{grid-template-columns:repeat(4,1fr)}
}

/* print → PDF */
@media print{
  @page{size:A4;margin:14mm 12mm 16mm}
  body{background:#fff;font-size:10.5pt}
  .topbar,header.site,footer,.cta,.sidenav,.phero .crumbs,.no-print,.lb{display:none!important}
  .print-head{display:flex;justify-content:space-between;align-items:center;border-bottom:3px solid #0a2a5c;padding-bottom:8px;margin-bottom:14px}
  .print-head img{height:42px}
  .print-head div{text-align:right;font-size:8.5pt;color:#333;line-height:1.35}
  .phero{background:none!important;color:#0a2a5c}
  .phero::after{display:none}
  .phero .container{padding:0 0 8px}
  .phero p{color:#333}
  .phero h1{font-size:20pt}
  .page{padding:0}
  .layout{display:block}
  .box{box-shadow:none;border:0;padding:0;margin-bottom:12px;break-inside:auto}
  .container{width:100%}
  .tbl-wrap{overflow:visible;border:0}
  table.dt{font-size:8.5pt;min-width:0}
  table.dt th{position:static;background:#0a2a5c!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  table.dt tbody tr:nth-child(even) td{background:#f2f4f7!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .figure{break-inside:avoid}
  .pbreak{break-before:page}
  .light,.plain,.page{background:#fff!important}
  .c2{grid-template-columns:1fr 1fr!important;gap:10mm}
  .kv{grid-template-columns:42mm 1fr!important}
  .kv dt{border-bottom:1px solid #e3e7ec!important}
  .c2 img{max-height:70mm;object-fit:cover}
  .figure img{max-height:85mm;width:auto}
  .box>.c2>img,.box .c2>div>img{aspect-ratio:auto!important}
  h2{break-after:avoid}
  .formula{break-inside:avoid}
  a{text-decoration:none!important;color:inherit!important}
}