:root{
--navy:#003871;
--navy-deep:#001d3d;
--navy-soft:#e7edf3;
--red:#e2002a;
--red-deep:#b40021;
--paper:#f7f8fa;
--ink:#0a1a2e;
--muted:#526074;
--line:rgba(0,56,113,0.14);
--line-soft:rgba(0,56,113,0.08);
--radius:2px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
margin:0;
background:var(--paper);
color:var(--ink);
font-family:'IBM Plex Sans',-apple-system,Segoe UI,Roboto,sans-serif;
font-size:16px;
line-height:1.55;
-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3{margin:0;font-family:'IBM Plex Sans',sans-serif;font-weight:700;letter-spacing:-0.01em;}
.mono{
font-family:'IBM Plex Mono',ui-monospace,monospace;
letter-spacing:0.08em;
text-transform:uppercase;
}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px;}
@media (max-width:640px){.wrap{padding:0 20px;}}

/* background drafting grid */
.grid-bg{
background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
background-size:40px 40px;
}

/* crop / registration marks — printer's marks */
.crop{
position:absolute;
width:18px;height:18px;
pointer-events:none;
}
.crop::before,.crop::after{
content:"";
position:absolute;
background:var(--navy);
opacity:0.55;
}
.crop::before{width:100%;height:1px;top:50%;left:0;}
.crop::after{width:1px;height:100%;left:50%;top:0;}
.crop-circle{
position:absolute;
width:9px;height:9px;
border:1px solid var(--navy);
border-radius:50%;
opacity:0.5;
top:50%;left:50%;
transform:translate(-50%,-50%);
}
.crop.tl{top:14px;left:14px;} .crop.tr{top:14px;right:14px;}
.crop.bl{bottom:14px;left:14px;} .crop.br{bottom:14px;right:14px;}

/* ============ TOP BAR ============ */
.topbar{
background:var(--navy-deep);
color:#c7d4e3;
font-size:12.5px;
}
.topbar .wrap{
display:flex;justify-content:space-between;align-items:center;
height:38px;
}
.topbar a{color:#e9eff6;}
.topbar a:hover{color:#fff;}
.topbar-left{display:flex;gap:24px;}
@media (max-width:760px){
.topbar .topbar-left{gap:16px;}
.topbar-right{display:none;}
}
@media (max-width:520px){
.topbar .topbar-left span:nth-child(2){display:none;}
}

/* ============ HEADER ============ */
header.site{
position:sticky;top:0;z-index:50;
background:#fff;
border-bottom:1px solid var(--line);
}
.nav-row{
display:flex;align-items:center;justify-content:space-between;
height:82px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand img{height:48px;width:48px;}
.brand-text{line-height:1.15;}
.brand-text .name{font-weight:700;font-size:17px;color:var(--navy);letter-spacing:-0.01em;}
.brand-text .tag{font-size:10.5px;color:var(--muted);}
nav.main{display:flex;align-items:center;gap:36px;}
nav.main a{
font-size:14.5px;font-weight:500;color:var(--ink);
position:relative;padding:4px 0;
}
nav.main a::after{
content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;
background:var(--red);transition:width .2s ease;
}
nav.main a:hover::after{width:100%;}
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
padding:12px 22px;
font-size:14px;font-weight:600;
border-radius:var(--radius);
border:1.5px solid transparent;
cursor:pointer;
transition:transform .15s ease, background .2s ease, border-color .2s ease, color .2s ease;
white-space:nowrap;
}
.btn-primary{background:var(--red);color:#fff;}
.btn-primary:hover{background:var(--red-deep);transform:translateY(-1px);}
.btn-outline{border-color:var(--navy);color:var(--navy);background:transparent;}
.btn-outline:hover{background:var(--navy);color:#fff;}
.header-cta{display:flex;align-items:center;gap:14px;}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.burger span{display:block;width:22px;height:2px;background:var(--navy);margin:5px 0;}

@media (max-width:920px){
nav.main{
    position:fixed;inset:82px 0 0 0;
    background:#fff;
    flex-direction:column;
    align-items:flex-start;
    padding:28px 24px;
    gap:22px;
    transform:translateX(100%);
    transition:transform .25s ease;
    border-top:1px solid var(--line);
}
nav.main.open{transform:translateX(0);}
nav.main a{font-size:18px;}
.header-cta .btn-outline{display:none;}
.burger{display:block;}
}

/* ============ HERO ============ */
.hero{
position:relative;
overflow:hidden;
border-bottom:1px solid var(--line);
padding:76px 0 0;
}
.hero-inner{
display:grid;
grid-template-columns:1.15fr 0.85fr;
gap:56px;
align-items:center;
padding-bottom:64px;
}
.eyebrow{
display:inline-flex;align-items:center;gap:10px;
font-size:12px;color:var(--red);font-weight:600;
margin-bottom:22px;
}
.eyebrow::before{
content:"";width:26px;height:1.5px;background:var(--red);
}
h1.hero-title{
font-size:clamp(2.4rem,4.6vw,3.85rem);
line-height:1.04;
color:var(--navy-deep);
text-transform:uppercase;
}
h1.hero-title em{
font-style:normal;color:var(--red);
}
.hero-sub{
margin-top:24px;
max-width:520px;
color:var(--muted);
font-size:17px;
}
.hero-actions{
margin-top:34px;
display:flex;gap:16px;flex-wrap:wrap;
}
.hero-tags{
margin-top:44px;
display:flex;flex-wrap:wrap;gap:28px;
}
.hero-tag{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--navy-deep);}
.hero-tag svg{width:20px;height:20px;color:var(--red);flex:none;}

/* title block — engineering drawing stamp */
.stampwrap{position:relative;}
.stamp{
border:1.5px solid var(--navy);
background:#fff;
font-family:'IBM Plex Mono',monospace;
font-size:11px;
color:var(--navy-deep);
position:relative;
box-shadow:6px 6px 0 rgba(0,56,113,0.06);
}
.stamp-head{
display:flex;align-items:center;gap:10px;
padding:16px 16px;
border-bottom:1.5px solid var(--navy);
}
.stamp-head img{height:30px;width:30px;}
.stamp-head .h-name{font-weight:600;font-size:12.5px;letter-spacing:0.03em;line-height:1.3;}
.stamp-head .h-sub{color:var(--muted);font-size:10px;letter-spacing:0.03em;}
.stamp-grid{
display:grid;grid-template-columns:1fr 1fr;
}
.stamp-cell{
padding:12px 16px;
border-top:1px solid var(--line);
border-right:1px solid var(--line);
}
.stamp-cell:nth-child(2n){border-right:none;}
.stamp-cell .k{color:var(--muted);font-size:9.5px;letter-spacing:0.06em;display:block;margin-bottom:4px;}
.stamp-cell .v{font-weight:600;font-size:13px;letter-spacing:0.01em;}
.stamp-foot{
padding:12px 16px;
border-top:1.5px solid var(--navy);
display:flex;justify-content:space-between;align-items:center;
background:var(--navy-soft);
}
.stamp-foot .lbl{font-size:9.5px;color:var(--muted);}
.stamp-foot .val{font-size:11.5px;font-weight:600;color:var(--red);}

@media (max-width:920px){
.hero-inner{grid-template-columns:1fr;gap:44px;padding-bottom:44px;}
.stampwrap{max-width:380px;}
}

/* dimension divider */
.dim{
display:flex;align-items:center;gap:14px;
margin-bottom:18px;
}
.dim-line{flex:none;width:34px;height:1px;background:var(--navy);position:relative;}
.dim-line::before,.dim-line::after{
content:"";position:absolute;top:-3px;width:1px;height:7px;background:var(--navy);
}
.dim-line::before{left:0;} .dim-line::after{right:0;}
.dim-label{font-size:12px;color:var(--navy);font-weight:600;}

section{padding:96px 0;}
@media (max-width:640px){section{padding:64px 0;}}
.section-head{max-width:640px;margin-bottom:56px;}
.section-head h2{font-size:clamp(1.7rem,3vw,2.4rem);color:var(--navy-deep);text-transform:uppercase;}
.section-head p{margin-top:16px;color:var(--muted);font-size:16px;}

/* ============ SERVICES ============ */
.services{background:#fff;border-bottom:1px solid var(--line);position:relative;}
.service-grid{
display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
background:var(--line);
border:1px solid var(--line);
}
@media (max-width:900px){.service-grid{grid-template-columns:1fr;}}
.service-card{
background:#fff;
padding:40px 34px;
position:relative;
transition:background .2s ease;
}
.service-card:hover{background:var(--navy-soft);}
.service-card .num{
font-family:'IBM Plex Mono',monospace;
font-size:11px;color:var(--muted);
display:block;margin-bottom:26px;
}
.service-card .icon{
width:46px;height:46px;color:var(--navy);margin-bottom:22px;
}
.service-card h3{font-size:19px;color:var(--navy-deep);margin-bottom:12px;text-transform:none;}
.service-card p{color:var(--muted);font-size:14.5px;margin:0;}
.service-card .corner{
position:absolute;top:0;right:0;
width:0;height:0;
border-style:solid;
border-width:0 22px 22px 0;
border-color:transparent var(--red) transparent transparent;
opacity:0;
transition:opacity .2s ease;
}
.service-card:hover .corner{opacity:1;}

/* ============ WHY US ============ */
.why{position:relative;}
.why-inner{display:grid;grid-template-columns:0.9fr 1.1fr;gap:64px;align-items:start;}
@media (max-width:900px){.why-inner{grid-template-columns:1fr;gap:36px;}}
.spec-list{border-top:1px solid var(--line);}
.spec-item{
display:grid;grid-template-columns:64px 1fr;gap:20px;
padding:26px 0;
border-bottom:1px solid var(--line);
}
.spec-item .tag{
font-family:'IBM Plex Mono',monospace;
font-size:11px;color:var(--red);font-weight:600;
padding-top:2px;
}
.spec-item p{margin:0;color:var(--ink);font-size:15.5px;}
.why-media{
border:1.5px solid var(--navy);
background:var(--navy-deep);
color:#fff;
padding:44px 38px;
position:relative;
overflow:hidden;
}
.why-media::before{
content:"";
position:absolute;inset:0;
background-image:linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
background-size:28px 28px;
}
.why-media-inner{position:relative;z-index:1;}
.why-media .big-num{
font-family:'IBM Plex Mono',monospace;
font-size:13px;color:#8fb0d4;margin-bottom:14px;
}
.why-media h3{font-size:24px;line-height:1.3;font-weight:600;text-transform:none;color:#fff;}
.why-media .stats{
display:grid;grid-template-columns:1fr 1fr;gap:24px;
margin-top:36px;padding-top:28px;border-top:1px solid rgba(255,255,255,0.18);
}
.why-media .stat b{display:block;font-size:26px;color:var(--red);font-family:'IBM Plex Mono',monospace;}
.why-media .stat span{font-size:12.5px;color:#c7d4e3;}

/* ============ CONTACTS ============ */
.contacts{background:#fff;border-top:1px solid var(--line);}
.contacts-inner{
display:grid;grid-template-columns:1fr 1fr;gap:64px;
}
@media (max-width:900px){.contacts-inner{grid-template-columns:1fr;gap:40px;}}
.info-row{
display:flex;gap:18px;
padding:22px 0;
border-bottom:1px solid var(--line);
}
.info-row:first-child{border-top:1px solid var(--line);}
.info-row .icon{width:22px;height:22px;color:var(--red);flex:none;margin-top:2px;}
.info-row .k{font-size:11px;color:var(--muted);letter-spacing:0.06em;margin-bottom:4px;}
.info-row .v{font-size:16px;font-weight:600;color:var(--navy-deep);}
.map-frame{
margin-top:28px;
border:1px solid var(--line);
height:220px;
overflow:hidden;
}
.map-frame iframe{width:100%;height:100%;border:0;filter:grayscale(0.15);}

form.request{
border:1px solid var(--line);
padding:36px;
}
form.request .field{margin-bottom:18px;}
form.request label{
display:block;font-size:11px;color:var(--muted);margin-bottom:8px;letter-spacing:0.05em;
}
form.request input{
width:100%;
border:1px solid var(--line);
border-radius:var(--radius);
padding:13px 14px;
font-size:15px;
font-family:inherit;
background:var(--paper);
color:var(--ink);
transition:border-color .2s ease;
}
form.request input:focus{outline:none;border-color:var(--navy);background:#fff;}
.captcha-row{display:flex;align-items:center;gap:12px;}
.captcha-row .eq{font-family:'IBM Plex Mono',monospace;font-size:15px;color:var(--navy-deep);white-space:nowrap;}
.captcha-row .input{width:100%;flex:none;text-align:center;}
form.request .btn-primary{width:100%;margin-top:6px;padding:15px;}
.consent{font-size:11.5px;color:var(--muted);margin-top:14px;line-height:1.5;}
.consent a{color:var(--navy);text-decoration:underline;}

/* ============ FOOTER ============ */
footer{
background:var(--navy-deep);
color:#c7d4e3;
padding:56px 0 28px;
}
.footer-top{
display:flex;justify-content:space-between;flex-wrap:wrap;gap:32px;
padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,0.14);
}
.footer-brand{display:flex;align-items:center;gap:12px;}
.footer-brand img{height:34px;width:34px;}
.footer-brand .name{color:#fff;font-weight:700;font-size:16px;}
.footer-brand .tag{font-size:11px;color:#8fa5bf;}
.footer-nav{display:flex;gap:28px;flex-wrap:wrap;}
.footer-nav a{font-size:14px;color:#c7d4e3;}
.footer-nav a:hover{color:#fff;}
.footer-bottom{
display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
padding-top:24px;font-size:12px;color:#7c93ad;
}

/* reveal animation */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
.reveal{opacity:1;transform:none;transition:none;}
html{scroll-behavior:auto;}
}