/* Nrtex Global – site styles. Brand colours come from the logo. */
:root{
  --navy:#0c4d72;--navy-d:#08354f;--navy-dd:#062a40;--teal:#0aa0b2;--sky:#3db7d8;
  --ink:#12222d;--ink2:#52636f;--bg:#ffffff;--soft:#f0f6f9;--line:#dbe6ec;--card:#ffffff;
  --radius:14px;--max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{font-family:'Montserrat','Inter',system-ui,sans-serif;line-height:1.22;color:var(--navy);font-weight:700}
h1{font-size:clamp(2rem,4.6vw,3.4rem);letter-spacing:-.01em}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem);margin-bottom:.6rem;letter-spacing:-.01em}
h3{font-size:1.15rem;margin-bottom:.45rem}
p{color:var(--ink2)}
:focus-visible{outline:3px solid var(--sky);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:10px 16px;border-radius:8px;z-index:200}
.skip:focus{left:8px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.eyebrow{display:inline-block;font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);font-weight:700;margin-bottom:.7rem}
section{padding:80px 0}
.alt{background:var(--soft)}
.center{text-align:center}
.lead{font-size:1.1rem;max-width:680px}
.center .lead{margin-inline:auto}
.mt{margin-top:40px}

/* ---------- header ---------- */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px}
.logo img{height:48px;width:auto}
nav ul{display:flex;gap:26px;list-style:none;align-items:center}
nav a{font-size:.94rem;font-weight:600;color:var(--ink);padding:6px 0;display:inline-block}
nav a:hover,nav a.on{color:var(--teal)}
nav a.btn{color:#fff;padding:10px 20px}
nav a.btn:hover{color:#fff}
.has-sub{position:relative}
.sub{position:absolute;top:100%;left:-14px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;min-width:170px;display:none;flex-direction:column;gap:0;box-shadow:0 16px 36px rgba(8,53,79,.12)}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:flex}
.sub li{width:100%}.sub a{display:block;padding:9px 12px;border-radius:8px;width:100%}
.sub a:hover{background:var(--soft)}
.burger{display:none;background:none;border:0;padding:8px;color:var(--navy);line-height:0}
.burger svg{width:28px;height:28px}

/* ---------- buttons ---------- */
.btn{display:inline-block;padding:13px 26px;border-radius:999px;font-weight:600;font-size:.95rem;border:2px solid var(--navy);background:var(--navy);color:#fff;transition:.2s;text-align:center}
.btn:hover{background:var(--navy-d);border-color:var(--navy-d);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--navy)}
.btn.ghost:hover{background:var(--navy);color:#fff}
.btn.accent{background:var(--teal);border-color:var(--teal)}
.btn.accent:hover{background:#088a99;border-color:#088a99}
.btn.sm{padding:9px 20px;font-size:.88rem}
.btn[disabled]{opacity:.6;cursor:wait;transform:none}

/* ---------- hero ---------- */
.hero{background:linear-gradient(135deg,var(--navy-dd) 0%,var(--navy) 58%,#0e7a97 100%);color:#fff;padding:84px 0;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-140px;top:-140px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(61,183,216,.35),transparent 70%);pointer-events:none}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero h1{color:#fff}
.hero p{color:#d3e6ef;font-size:1.15rem;margin:1.2rem 0 2rem;max-width:560px}
.hero .eyebrow{color:#7fd6ea}
.btns{display:flex;gap:14px;flex-wrap:wrap}
.hero .btn.ghost{border-color:#fff;color:#fff}.hero .btn.ghost:hover{background:#fff;color:var(--navy)}
.mosaic{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.mosaic img{width:100%;aspect-ratio:3/4;object-fit:cover;object-position:top;border-radius:14px;background:#fff;box-shadow:0 18px 40px rgba(0,0,0,.28)}
.mosaic img:nth-child(2){margin-top:38px}
.mosaic img:nth-child(3){margin-top:12px}
.page-hero{padding:64px 0 52px;background:var(--soft);border-bottom:1px solid var(--line)}
.crumbs{font-size:.85rem;color:var(--ink2);margin-bottom:.8rem}
.crumbs a{color:var(--teal);font-weight:600}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:26px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.25s}
a.card:hover,.card.hov:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(12,77,114,.10)}
.ico{width:50px;height:50px;border-radius:12px;background:var(--soft);display:grid;place-items:center;margin-bottom:16px;color:var(--teal)}
.ico svg{width:26px;height:26px}
.alt .ico{background:#fff}
.link{color:var(--teal);font-weight:700;display:inline-block;margin-top:.8rem}
.link:hover{text-decoration:underline}
.cat{padding:0;overflow:hidden;display:block}
.cat img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:top;background:var(--soft)}
.cat .body{padding:24px 26px 28px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.panel{border-radius:var(--radius);min-height:320px;background:linear-gradient(135deg,var(--navy),#0e7a97);display:grid;place-items:center;color:#fff;font-family:'Montserrat',sans-serif;font-weight:700;font-size:1.5rem;padding:34px;text-align:center;line-height:1.5}
ul.ticks{list-style:none;margin-top:1rem}
ul.ticks li{padding:6px 0 6px 30px;position:relative;color:var(--ink2)}
ul.ticks li::before{content:"";position:absolute;left:2px;top:13px;width:14px;height:8px;border-left:3px solid var(--teal);border-bottom:3px solid var(--teal);transform:rotate(-45deg)}
.steps{counter-reset:s}
.step{position:relative;padding-top:50px}
.step::before{counter-increment:s;content:"0" counter(s);position:absolute;top:0;left:0;font-family:'Montserrat',sans-serif;font-size:2.2rem;color:var(--sky);font-weight:700}
.cta{background:linear-gradient(135deg,var(--navy-dd),var(--navy));color:#fff;text-align:center;border-radius:22px;padding:58px 28px}
.cta h2{color:#fff}.cta p{color:#cfe3ec;margin:0 auto 1.6rem;max-width:560px}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
th,td{overflow-wrap:anywhere;text-align:left;padding:13px 18px;border-bottom:1px solid var(--line);font-size:.95rem;vertical-align:top}
th{background:var(--soft);color:var(--navy);width:34%;font-weight:600}
tr:last-child th,tr:last-child td{border-bottom:0}
.note{font-size:.85rem;color:var(--ink2)}

/* ---------- product catalogue ---------- */
.filters{display:flex;flex-direction:column;gap:14px;margin-bottom:22px}
.tabs,.chips{display:flex;gap:10px;flex-wrap:wrap}
.tab{padding:10px 20px;border-radius:999px;border:2px solid var(--line);background:#fff;font-weight:600;font-size:.92rem;color:var(--navy);transition:.15s}
.tab:hover{border-color:var(--sky)}
.tab[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.tab small{opacity:.7;font-weight:500;margin-left:4px}
.chip{padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--soft);font-size:.84rem;font-weight:500;color:var(--ink2)}
.chip:hover{border-color:var(--sky)}
.chip[aria-pressed="true"]{background:var(--teal);border-color:var(--teal);color:#fff}
.pcount{font-size:.9rem;color:var(--ink2);margin-bottom:16px}
.pgrid{display:grid;gap:22px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.22s}
.pcard:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(12,77,114,.12)}
.pimg{border:0;padding:0;background:var(--soft);display:block;width:100%;aspect-ratio:3/4;overflow:hidden}
.pimg img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .35s}
.pcard:hover .pimg img{transform:scale(1.04)}
.pbody{padding:16px 18px 20px;display:flex;flex-direction:column;gap:4px;flex:1}
.pcode{font-size:.72rem;letter-spacing:.1em;font-weight:700;color:var(--teal)}
.pbody h3{font-size:1rem;margin:0;color:var(--navy)}
.pfab{font-size:.84rem;color:var(--ink2);line-height:1.45}
.pmeta{margin-top:auto;padding-top:8px;font-size:.82rem;font-weight:600;color:var(--navy)}
.more{text-align:center;margin-top:34px}
.empty{background:var(--soft);border:1px dashed var(--sky);border-radius:var(--radius);padding:38px 28px;text-align:center}
.empty h3{margin-bottom:.5rem}
.empty p{max-width:560px;margin:0 auto 1.2rem}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(6,42,64,.86);z-index:120;display:none;align-items:center;justify-content:center;padding:18px}
.lb.open{display:flex}
.lb-panel{background:#fff;border-radius:18px;max-width:960px;width:100%;max-height:92vh;overflow:auto;display:grid;grid-template-columns:1fr 1fr;position:relative}
.lb-img{background:var(--soft);display:grid;place-items:center;min-height:300px}
.lb-img img{max-height:86vh;width:100%;object-fit:contain}
.lb-info{padding:34px 30px;display:flex;flex-direction:column;gap:8px}
.lb-info h3{font-size:1.4rem}
.lb-info table{margin:10px 0 14px}
.lb-close,.lb-nav{position:absolute;background:#fff;border:1px solid var(--line);width:42px;height:42px;border-radius:50%;display:grid;place-items:center;color:var(--navy);box-shadow:0 6px 18px rgba(0,0,0,.15);font-size:1.3rem;line-height:1}
.lb-close{top:12px;right:12px;z-index:2}
.lb-nav{top:50%;transform:translateY(-50%);z-index:2}
.lb-prev{left:12px}.lb-next{left:calc(50% - 54px)}
body.lock{overflow:hidden}

/* ---------- forms ---------- */
form{display:grid;gap:16px}
label{font-size:.88rem;font-weight:600;color:var(--navy);display:block;margin-bottom:5px}
input,select,textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--sky);border-color:transparent}
textarea{min-height:140px;resize:vertical}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.status{padding:12px 16px;border-radius:10px;font-size:.92rem;display:none}
.status.ok{display:block;background:#e6f6ee;color:#0d5c37;border:1px solid #b7e4cb}
.status.err{display:block;background:#fdecec;color:#8a1f1f;border:1px solid #f3c2c2}
.info{list-style:none}
.info li{display:flex;gap:14px;margin-bottom:18px}
.info .ico{margin:0;flex:none}
.info b{display:block;color:var(--navy)}
.info a:hover{color:var(--teal)}
.map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-top:24px}
.map iframe{width:100%;height:280px;border:0;display:block}

/* ---------- footer ---------- */
footer.site{background:var(--navy-dd);color:#b8cfdb;padding:64px 0 26px}
footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px}
footer h4{color:#fff;font-size:.95rem;margin-bottom:14px}
footer a{display:block;padding:4px 0;color:#b8cfdb}footer a:hover{color:#7fd6ea}
footer p{color:#b8cfdb;font-size:.93rem}
footer .logo img{height:54px}
.copy{border-top:1px solid #174a66;margin-top:44px;padding-top:22px;font-size:.85rem;text-align:center}
.wa{position:fixed;right:18px;bottom:18px;background:#25d366;color:#fff;border-radius:999px;padding:12px 20px 12px 16px;font-weight:600;font-size:.92rem;box-shadow:0 10px 26px rgba(0,0,0,.22);z-index:60;display:flex;gap:8px;align-items:center}
.wa svg{width:22px;height:22px}
.wa:hover{background:#1ebe5b}
.notfound{padding:120px 0;text-align:center}

@media(max-width:960px){
  .g3,.g4,.g2,.split,footer .cols,.hero .wrap,.lb-panel{grid-template-columns:1fr}
  .g4{grid-template-columns:repeat(2,1fr)}
  .hero{padding:60px 0}
  .mosaic{max-width:420px}
  .burger{display:block}
  nav{position:absolute;top:76px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);display:none;box-shadow:0 14px 24px rgba(0,0,0,.06)}
  nav.open{display:block}
  nav ul{flex-direction:column;align-items:flex-start;padding:16px 22px 22px;gap:12px}
  .sub{position:static;display:flex;border:0;box-shadow:none;padding:4px 0 0 14px}
  section{padding:56px 0}.row2{grid-template-columns:1fr}
  .lb-next{left:auto;right:12px;top:26vh;transform:none}.lb-prev{left:12px;top:26vh;transform:none}
  .lb-img img{max-height:56vh}
  .lb-info{padding:24px 22px 30px}
}
@media(max-width:520px){
  .g4{grid-template-columns:1fr}
  .pgrid{grid-template-columns:repeat(2,1fr);gap:12px}
  .pbody{padding:12px 12px 14px}
  .wa span{display:none}.wa{padding:13px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}