/* ==========================================================================
   TIANJIN YUXINDA TRADING CO.,LTD — corporate website stylesheet
   Palette: deep steel navy + safety orange. Industrial, high-contrast, B2B.
   ========================================================================== */

:root{
  --navy-900:#07182a;
  --navy-800:#0c2540;
  --navy-700:#123254;
  --navy-600:#1b4468;
  --ink:#0f1e2e;
  --muted:#5d6c7b;
  --muted-2:#8394a3;
  --line:#dde4ea;
  --line-2:#eef2f5;
  --paper:#f5f7f9;
  --white:#ffffff;
  --orange:#ef6c1f;
  --orange-dark:#cf540c;
  --orange-soft:#fff2e8;
  --wa:#1ea855;
  --wa-dark:#178a45;
  --radius:2px;
  --shadow-sm:0 1px 2px rgba(9,26,44,.06), 0 6px 16px rgba(9,26,44,.05);
  --shadow-md:0 10px 30px rgba(9,26,44,.10);
  --wrap:1240px;
  --font:"Inter","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --cond:"Barlow Condensed","Bahnschrift","DIN Alternate","Arial Narrow",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--white);color:var(--ink);
  font:400 16px/1.62 var(--font);
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.1}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 26px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- shared bits -------------------------------------------------- */
.kicker{
  display:inline-block;font:700 12px/1 var(--font);letter-spacing:.19em;
  text-transform:uppercase;color:var(--orange-dark);
}
.kicker.on-dark{color:#ffb27d}
.h-sec{font-size:clamp(28px,3.3vw,44px);margin:14px 0 0}
.sec-lead{color:var(--muted);font-size:17px;max-width:660px}
.section{padding:88px 0}
.section.tight{padding:64px 0}
.section.paper{background:var(--paper)}
.section.dark{background:var(--navy-900);color:#fff}
.section.dark .sec-lead,.section.dark p{color:#b9c9d6}
.sec-head{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:end;margin-bottom:46px}
.sec-head.center{grid-template-columns:1fr;text-align:center;justify-items:center}
.sec-head.center .sec-lead{margin-top:14px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 24px;border:1px solid transparent;border-radius:var(--radius);
  font:700 15px/1 var(--font);cursor:pointer;white-space:nowrap;
  transition:transform .14s ease,background-color .14s ease,box-shadow .14s ease,color .14s;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(239,108,31,.28)}
.btn-primary:hover{background:var(--orange-dark)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{background:var(--wa-dark)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-outline:hover{border-color:var(--navy-700);color:var(--navy-800)}
.btn-lg{padding:17px 28px;font-size:16px}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid rgba(255,255,255,.32);border-radius:100px;
  padding:8px 15px;font:600 13px/1 var(--font);color:#e7eef4;
  background:rgba(255,255,255,.06);backdrop-filter:blur(3px);
}
.chip.plain{border-color:var(--line);background:#fff;color:var(--navy-800);font-weight:700}

/* ---------- top utility bar --------------------------------------------- */
.topbar{background:var(--navy-900);color:#c9d7e2;font-size:13px}
.topbar .wrap{display:flex;align-items:center;gap:22px;min-height:38px;flex-wrap:wrap}
.topbar b{color:#fff;font-weight:700}
.topbar .tb-links{display:flex;align-items:center;gap:20px;margin-left:auto}
.topbar a{color:#e7eef4;display:inline-flex;align-items:center;gap:7px}
.topbar a:hover{color:#fff}
.topbar .dot{width:7px;height:7px;border-radius:50%;background:#37d67a;box-shadow:0 0 0 3px rgba(55,214,122,.2)}

/* ---------- header ------------------------------------------------------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.site-header.small{box-shadow:0 6px 22px rgba(9,26,44,.07)}
.nav{display:flex;align-items:center;gap:28px;min-height:78px}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto}
.brand-mark{
  width:46px;height:46px;border-radius:4px;flex:none;
  background:linear-gradient(160deg,var(--navy-700),var(--navy-900));
  color:#fff;display:grid;place-items:center;
  font:800 17px/1 var(--cond);letter-spacing:.02em;position:relative;overflow:hidden;
}
.brand-mark::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--orange)}
.brand-name{display:block;font:800 16px/1.15 var(--font);letter-spacing:.02em;white-space:nowrap}
.brand-tag{display:block;color:var(--muted);font:600 10.5px/1.2 var(--font);letter-spacing:.15em;text-transform:uppercase;margin-top:5px;white-space:nowrap}
.nav-links{display:flex;gap:22px;font:600 14px/1 var(--font)}
.nav-links a{position:relative;padding:6px 0;color:#20303f;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--orange);transition:right .2s ease}
.nav-links a:hover{color:var(--navy-800)}
.nav-links a:hover::after,.nav-links a.active::after{right:0}
.nav-links a.active{color:var(--orange-dark)}
.nav-right{display:flex;align-items:center;gap:14px}
.lang{display:flex;gap:4px;align-items:center;padding:4px;border:1px solid var(--line);border-radius:100px;background:#fff}
.lang a{font:700 11.5px/1 var(--font);padding:6px 9px;border-radius:100px;color:var(--muted)}
.lang a:hover{color:var(--navy-800);background:var(--paper)}
.lang a.on{background:var(--navy-800);color:#fff}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--radius);cursor:pointer;place-items:center}
.burger span{display:block;width:18px;height:2px;background:var(--navy-800);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--navy-800)}
.burger span::before{top:-6px}.burger span::after{top:6px}
.drawer{display:none}

/* ---------- hero --------------------------------------------------------- */
.hero{position:relative;background:var(--navy-900);color:#fff;overflow:hidden}
.hero-media{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 45%}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(4,17,30,.94) 0%,rgba(4,17,30,.86) 38%,rgba(6,22,38,.55) 62%,rgba(6,22,38,.35) 100%),
    linear-gradient(0deg,rgba(4,17,30,.85),rgba(4,17,30,0) 55%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.28fr .72fr;gap:52px;align-items:center;padding:92px 0 74px}
.hero h1{font-size:clamp(34px,4.5vw,60px);line-height:1.04;letter-spacing:-.03em;max-width:17ch}
.hero-sub{margin-top:22px;font-size:18px;color:#d3e0ea;max-width:60ch}
.hero-sub b{color:#fff}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}
.glance{
  border:1px solid rgba(255,255,255,.22);border-radius:3px;
  background:rgba(7,24,42,.55);backdrop-filter:blur(9px);padding:22px 24px;
}
.glance h2{font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;color:#9fb6c7;font-weight:700}
.glance ul{margin-top:16px;display:grid;gap:12px}
.glance li{display:grid;grid-template-columns:auto 1fr;gap:12px;font-size:14.5px;color:#cfdde8;align-items:baseline}
.glance li b{color:#fff;font:800 17px/1 var(--cond);letter-spacing:.01em;min-width:104px}
.glance .note{margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.16);font-size:12.5px;color:#9fb6c7}

/* ---------- stat strip --------------------------------------------------- */
.statstrip{background:var(--orange);color:#fff}
.statstrip .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:0 26px}
.statstrip .stat{padding:26px 24px;border-left:1px solid rgba(255,255,255,.28)}
.statstrip .stat:first-child{border-left:0;padding-left:0}
.statstrip b{display:block;font:800 27px/1 var(--cond);letter-spacing:.005em}
.statstrip span{display:block;margin-top:7px;font-size:13px;color:rgba(255,255,255,.92)}

/* ---------- product grid ------------------------------------------------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:3px;overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#c9d5df}
.card-media{position:relative;aspect-ratio:4/3;background:var(--line-2);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.045)}
.card-media .tag{
  position:absolute;left:14px;top:14px;background:rgba(7,24,42,.86);color:#fff;
  font:700 11.5px/1 var(--font);letter-spacing:.1em;text-transform:uppercase;padding:8px 11px;border-radius:2px;
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card h3{font-size:20px}
.card p{color:var(--muted);font-size:14.5px;margin-top:9px}
.spec-list{margin-top:16px;display:grid;gap:7px;font-size:13.5px}
.spec-list div{display:grid;grid-template-columns:96px 1fr;gap:10px;padding-bottom:7px;border-bottom:1px dashed var(--line)}
.spec-list dt{color:var(--muted-2);font-weight:600}
.spec-list dd{margin:0;color:#22323f;font-weight:600}
.card-link{margin-top:auto;padding-top:18px;color:var(--orange-dark);font:700 14px/1 var(--font)}
.card-link:hover{color:var(--orange)}

/* ---------- feature / split layouts -------------------------------------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev .split-media{order:2}
.split-media{position:relative}
.split-media img{border-radius:3px;box-shadow:var(--shadow-md);width:100%}
.split-media .badge{
  position:absolute;right:-16px;bottom:-16px;background:var(--orange);color:#fff;
  padding:18px 22px;border-radius:3px;box-shadow:0 12px 26px rgba(239,108,31,.3);
}
.split-media .badge b{display:block;font:800 26px/1 var(--cond)}
.split-media .badge span{font-size:12.5px;opacity:.95}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px;margin-top:26px}
.feature{background:var(--paper);padding:19px 20px;border-left:3px solid transparent}
.feature:nth-child(odd){background:#eef2f5}
.feature h3{font-size:15.5px;display:flex;gap:9px;align-items:center}
.feature p{font-size:13.8px;color:var(--muted);margin-top:6px}
.feature .ico{font-size:16px;line-height:1}

/* ---------- capability steps --------------------------------------------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:14px}
.step{border-top:3px solid var(--navy-700);padding-top:20px}
.step i{font-style:normal;font:800 12px/1 var(--cond);letter-spacing:.16em;color:var(--orange-dark)}
.step h3{margin-top:11px;font-size:18px}
.step p{margin-top:8px;color:var(--muted);font-size:14px}
.gallery-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:44px}
.gallery-4 figure{margin:0;position:relative;border-radius:3px;overflow:hidden;background:var(--line-2)}
.gallery-4 img{aspect-ratio:3/2;width:100%;object-fit:cover;transition:transform .5s ease}
.gallery-4 figure:hover img{transform:scale(1.05)}
.gallery-4 figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:22px 14px 12px;color:#fff;
  font:600 13px/1.35 var(--font);
  background:linear-gradient(0deg,rgba(4,17,30,.9),rgba(4,17,30,0));
}

/* ---------- quality ------------------------------------------------------ */
.qual-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2px 44px;margin-top:10px}
.qual{display:grid;grid-template-columns:34px 1fr;gap:14px;padding:20px 0;border-top:1px solid rgba(255,255,255,.14)}
.qual .tick{
  width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.1);
  display:grid;place-items:center;color:#7ee2a8;font-size:14px;font-weight:800;margin-top:3px;
}
.qual h3{font-size:16.5px;color:#fff}
.qual p{font-size:14px;margin-top:6px}
.std-strip{display:flex;flex-wrap:wrap;gap:9px;margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.std-strip span{
  border:1px solid rgba(255,255,255,.24);border-radius:100px;padding:8px 14px;
  font:600 12.5px/1 var(--font);color:#d7e3ec;
}
.inspect-split{display:grid;grid-template-columns:.95fr 1.05fr;gap:46px;align-items:center;margin-top:52px}
.inspect-split img{border-radius:3px}
.check-list{display:grid;gap:0;margin-top:22px}
.check-list li{
  display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;
  padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:14.5px;color:#cfdde8;
}
.check-list li::before{content:"✓";color:#7ee2a8;font-weight:800;line-height:1.5}

/* ---------- packing / loading -------------------------------------------- */
.load-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.load-grid figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:3px;overflow:hidden}
.load-grid img{aspect-ratio:4/3;width:100%;object-fit:cover}
.load-grid figcaption{padding:16px 18px;font-size:14px;color:var(--muted)}
.load-grid figcaption b{display:block;color:var(--ink);font-size:15.5px;margin-bottom:5px}

/* ---------- video band --------------------------------------------------- */
.video-band{position:relative;background:var(--navy-900);color:#fff;overflow:hidden}
.vb-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.vb-scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(4,17,30,.93) 0%,rgba(4,17,30,.74) 46%,rgba(4,17,30,.42) 100%),
    linear-gradient(0deg,rgba(4,17,30,.7),rgba(4,17,30,0) 60%);
}
.vb-inner{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:center;padding:88px 26px}
.vb-inner h2{max-width:22ch}
.vb-facts{display:grid;gap:16px}
.vb-facts li{display:grid;gap:5px;padding-left:16px;border-left:2px solid var(--orange)}
.vb-facts b{font:800 19px/1.1 var(--cond);letter-spacing:.01em}
.vb-facts span{font-size:13.5px;color:#b9c9d6}

/* ---------- standards & documents ---------------------------------------- */
.std-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:38px}
.std-card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--navy-800);border-radius:3px;padding:22px 22px 24px}
.std-card h3{font:800 20px/1.15 var(--cond);letter-spacing:.02em;color:var(--navy-800)}
.std-card p{margin-top:9px;color:var(--muted);font-size:13.8px}
.doc-list{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;margin-top:34px}
.doc-list li{
  display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;
  padding:13px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:#26374a;
}
.doc-list li::before{content:"✓";color:var(--orange);font-weight:800;line-height:1.55}
.cert-ready{
  margin-top:34px;border:1px dashed var(--line);border-radius:3px;padding:22px 24px;
  background:var(--paper);color:var(--muted);font-size:13.8px;
}
.cert-ready b{color:var(--ink);display:block;margin-bottom:6px;font-size:14.5px}
/* shown only once the certificate wall in index.html is un-commented */
.cert-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}
.cert-gallery figure{
  margin:0;border:1px solid var(--line);border-radius:3px;background:#fff;overflow:hidden;
  aspect-ratio:3/4;display:grid;place-items:center;
}
.cert-gallery img{width:100%;height:100%;object-fit:cover}

/* ---------- spec tables -------------------------------------------------- */
.spec-block{margin-top:34px}
.spec-block h3{font-size:20px;padding-bottom:12px;border-bottom:2px solid var(--navy-800)}
.table-wrap{overflow:auto;margin-top:16px;border:1px solid var(--line);border-radius:3px;background:#fff}
table.spec{width:100%;border-collapse:collapse;min-width:760px;font-size:13.5px}
table.spec th,table.spec td{padding:11px 13px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line-2)}
table.spec thead th{background:#eef2f5;color:var(--navy-800);font-size:12.5px;letter-spacing:.03em;text-transform:uppercase;white-space:nowrap}
table.spec tbody tr:hover{background:#fafcfd}
table.spec td:first-child{font-weight:700;color:var(--navy-800);white-space:nowrap}
.spec-note{margin-top:16px;font-size:13px;color:var(--muted)}

/* ---------- markets ------------------------------------------------------ */
.market-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.market{border:1px solid var(--line);border-radius:3px;padding:24px;background:#fff;transition:box-shadow .18s ease,transform .18s ease}
.market:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.flag{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:33px;border-radius:3px;position:relative;
  background:linear-gradient(160deg,var(--navy-700),var(--navy-900));
  color:#fff;font:800 13.5px/1 var(--cond);letter-spacing:.09em;
}
.flag::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--orange)}
.flag.wide{width:54px}
.market h3{margin-top:13px;font-size:18px}
.market p{margin-top:8px;color:var(--muted);font-size:14px}
.market .ports{margin-top:13px;font-size:13px;color:var(--navy-700);font-weight:600}

/* ---------- languages ---------------------------------------------------- */
.lang-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.lang-card{border:1px solid var(--line);background:#fff;border-radius:3px;padding:22px}
.lang-card .flag{font-size:24px}
.lang-card h3{margin-top:10px;font-size:17px}
.lang-card p{margin-top:8px;color:var(--muted);font-size:13.6px}
.lang-card a{display:inline-block;margin-top:14px;font:700 13.5px/1 var(--font);color:var(--orange-dark)}

/* ---------- FAQ ---------------------------------------------------------- */
.faq{max-width:900px;margin:36px auto 0}
.faq-item{border:1px solid var(--line);border-radius:3px;background:#fff;margin-bottom:10px;overflow:hidden}
.faq-item summary{
  cursor:pointer;padding:19px 52px 19px 20px;font-weight:700;font-size:16px;
  position:relative;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:600;color:var(--orange);line-height:1;
}
.faq-item[open] summary::after{content:"–"}
.faq-item[open] summary{color:var(--navy-800)}
.faq-item .a{padding:0 20px 20px;color:var(--muted);font-size:14.6px}

/* ---------- inquiry / contact ------------------------------------------- */
.inq{display:grid;grid-template-columns:.85fr 1.15fr;gap:46px}
.info-table{width:100%;border-collapse:collapse;font-size:14.5px;margin-top:22px}
.info-table th{text-align:left;padding:14px 16px;background:#eef2f5;color:var(--navy-800);font-size:13.5px;white-space:nowrap;width:1%;border-bottom:1px solid var(--line)}
.info-table td{padding:14px 16px;border-bottom:1px solid var(--line);color:#28394a}
.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:0}
.info-table a{color:var(--orange-dark);font-weight:600}
.form-card{background:#fff;border:1px solid var(--line);border-radius:3px;padding:26px;box-shadow:var(--shadow-sm)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.field{display:grid;gap:7px}
.field.full{grid-column:1/-1}
.field label{font:600 13px/1 var(--font);color:#33465a}
.field input,.field select,.field textarea{
  width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:2px;
  font:400 15px/1.4 var(--font);color:var(--ink);background:#fff;transition:border-color .15s,box-shadow .15s;
}
.field textarea{min-height:118px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--navy-600);box-shadow:0 0 0 3px rgba(18,50,84,.09);
}
.form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.form-note{margin-top:14px;font-size:12.8px;color:var(--muted-2)}
.form-status{margin-top:12px;font-size:14px;color:var(--wa-dark);font-weight:600;min-height:20px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-card{position:relative}
.form-card[aria-busy="true"] .btn{opacity:.65;pointer-events:none}

/* ---------- CTA band ----------------------------------------------------- */
.cta-band{background:linear-gradient(120deg,var(--navy-900),var(--navy-700));color:#fff}
.cta-band .wrap{display:grid;grid-template-columns:1.3fr .7fr;gap:34px;align-items:center;padding:52px 26px}
.cta-band h2{font-size:clamp(24px,2.6vw,34px)}
.cta-band p{color:#c3d2de;margin-top:12px;max-width:60ch}
.cta-band .acts{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}

/* ---------- footer ------------------------------------------------------- */
.site-footer{background:var(--navy-900);color:#a9bccb;padding:62px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.1fr;gap:38px}
.site-footer h4{color:#fff;font-size:13px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px}
.site-footer a{color:#c2d2de}
.site-footer a:hover{color:#fff}
.footer-brand .brand-name,.footer-brand .brand-tag{color:#fff}
.footer-brand .brand-tag{color:#8fa6b8}
.footer-brand p{margin-top:16px;max-width:38ch;color:#93a9bb}
.f-certs{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.f-certs span{border:1px solid rgba(255,255,255,.2);border-radius:100px;padding:6px 12px;font-size:12px;color:#d5e0e9}
.footer-col ul{display:grid;gap:10px}
.footer-col .c-row{display:grid;gap:12px}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.13);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12.8px;color:#8ba1b3;
}

/* ---------- floaters ----------------------------------------------------- */
.floaters{position:fixed;right:20px;bottom:22px;z-index:70;display:grid;gap:10px}
.floaters a{
  display:inline-flex;align-items:center;gap:9px;padding:13px 18px;border-radius:100px;
  color:#fff;font:700 14px/1 var(--font);box-shadow:0 10px 26px rgba(0,0,0,.22);
}
.floaters .wa{background:var(--wa)}
.floaters .wa:hover{background:var(--wa-dark)}
.floaters .top-btn{background:var(--navy-800);justify-content:center;padding:13px}
.floaters .top-btn span{font-size:15px}

/* ---------- scroll reveal ------------------------------------------------ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- marquee ------------------------------------------------------ */
.marquee{background:var(--navy-800);color:#dbe7f0;overflow:hidden;white-space:nowrap;border-top:1px solid rgba(255,255,255,.08)}
.marquee .track{display:inline-flex;gap:26px;padding:13px 0;animation:slide 34s linear infinite}
.marquee span{font:600 13px/1 var(--font);letter-spacing:.14em;text-transform:uppercase}
.marquee i{color:var(--orange);font-style:normal}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- sub-page header ---------------------------------------------- */
.page-hero{position:relative;background:var(--navy-900);color:#fff;overflow:hidden}
.page-hero .media{position:absolute;inset:0}
.page-hero .media img{width:100%;height:100%;object-fit:cover;object-position:center 45%}
.page-hero .media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(4,17,30,.95) 0%,rgba(4,17,30,.86) 42%,rgba(6,22,38,.6) 100%);
}
.page-hero .inner{position:relative;padding:64px 0 56px;max-width:820px}
.page-hero h1{font-size:clamp(28px,3.6vw,46px);line-height:1.08;margin-top:14px}
.page-hero p{margin-top:18px;color:#cfdde8;font-size:17px;max-width:62ch}
.crumbs{display:flex;gap:9px;align-items:center;font-size:12.5px;color:#8fa6b8;flex-wrap:wrap}
.crumbs a:hover{color:#fff}
.crumbs span.sep{opacity:.5}

/* ---------- company / trust --------------------------------------------- */
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:38px}
.trust-card{background:#fff;border:1px solid var(--line);border-radius:3px;padding:24px}
.trust-card .ico{
  width:42px;height:42px;border-radius:3px;display:grid;place-items:center;
  background:var(--orange-soft);color:var(--orange-dark);font-size:20px;
}
.trust-card h3{margin-top:14px;font-size:18px}
.trust-card p{margin-top:8px;color:var(--muted);font-size:14.4px}
.facts{width:100%;border-collapse:collapse;font-size:14.6px;margin-top:8px}
.facts th{
  text-align:left;padding:13px 16px;background:#eef2f5;color:var(--navy-800);
  font-weight:700;font-size:13.4px;white-space:nowrap;width:1%;border-bottom:1px solid var(--line);
}
.facts td{padding:13px 16px;border-bottom:1px solid var(--line);color:#28394a}
.facts tr:last-child th,.facts tr:last-child td{border-bottom:0}

/* ---------- product family sections -------------------------------------- */
.family{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;padding:64px 0;border-bottom:1px solid var(--line)}
.family:last-of-type{border-bottom:0}
.family:nth-child(even) .family-media{order:2}
.family-media{margin:0;position:relative;border-radius:3px;overflow:hidden;box-shadow:var(--shadow-md)}
.family-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.family-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 16px 12px;color:#fff;font-size:12.8px;
  background:linear-gradient(0deg,rgba(4,17,30,.88),rgba(4,17,30,0));
}
.family .num{font:800 12px/1 var(--cond);letter-spacing:.18em;color:var(--orange-dark)}
.family h2{font-size:clamp(24px,2.6vw,34px);margin-top:12px}
.family p{color:var(--muted);margin-top:14px}
.family .uses{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.family .uses span{
  border:1px solid var(--line);border-radius:100px;padding:7px 13px;
  font-size:12.8px;color:var(--navy-800);background:#fff;font-weight:600;
}
.mini-spec{width:100%;border-collapse:collapse;margin-top:20px;font-size:14px}
.mini-spec th,.mini-spec td{text-align:left;padding:9px 0;border-bottom:1px dashed var(--line);vertical-align:top}
.mini-spec th{color:var(--muted-2);font-weight:600;width:118px}
.mini-spec td{color:#22323f;font-weight:600}
.family-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}

/* ---------- keyword / standard chips ------------------------------------- */
.kw-band{background:var(--navy-900);color:#fff}
.kw-band .wrap{padding:44px 26px}
.kw-band h2{font-size:clamp(20px,2.2vw,28px)}
.kw-band .kw-list{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.kw-band .kw-list a{
  border:1px solid rgba(255,255,255,.24);border-radius:100px;padding:9px 15px;
  font-size:13px;color:#d7e3ec;transition:background-color .15s,color .15s;
}
.kw-band .kw-list a:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- rtl ---------------------------------------------------------- */
[dir="rtl"] .split.rev .split-media{order:0}
[dir="rtl"] .split-media .badge{right:auto;left:-16px}
[dir="rtl"] .topbar .tb-links{margin-left:0;margin-right:auto}
[dir="rtl"] .brand{margin-right:0;margin-left:auto}
[dir="rtl"] .card-media .tag{left:auto;right:14px}
[dir="rtl"] .feature{border-left:0;border-right:3px solid transparent}
[dir="rtl"] .step{border-top:3px solid var(--navy-700)}
[dir="rtl"] .faq-item summary{padding:19px 20px 19px 52px}
[dir="rtl"] .faq-item summary::after{right:auto;left:18px}
[dir="rtl"] .spec-list div{grid-template-columns:96px 1fr}
[dir="rtl"] .vb-facts li{border-left:0;border-right:2px solid var(--orange);padding-left:0;padding-right:16px}
[dir="rtl"] .floaters{right:auto;left:20px}
/* keep mixed Latin/number values (½" NB – 36" NB · SCH10 …) from being
   re-ordered by the bidirectional algorithm inside Arabic pages */
[dir="rtl"] table.spec td,
[dir="rtl"] table.spec th,
[dir="rtl"] .spec-list dd,
[dir="rtl"] .market .ports,
[dir="rtl"] .info-table td,
[dir="rtl"] .glance li b,
[dir="rtl"] .std-strip span{unicode-bidi:plaintext}

/* ---------- responsive --------------------------------------------------- */
@media (max-width:1120px){
  .nav-links{display:none}
  .burger{display:grid}
  .nav-right .btn{display:none}
  .nav-right .lang{display:none}
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:64px 0 56px}
  .grid-3,.market-grid,.lang-grid{grid-template-columns:repeat(2,1fr)}
  .std-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:22px}
  .vb-inner{grid-template-columns:1fr;gap:28px;padding:64px 26px}
  .gallery-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .inq{grid-template-columns:1fr;gap:34px}
  .cta-band .wrap{grid-template-columns:1fr}
  .cta-band .acts{justify-content:flex-start}

  .drawer{
    display:block;position:fixed;inset:0 0 0 auto;width:min(360px,86vw);background:#fff;z-index:90;
    transform:translateX(100%);transition:transform .26s ease;padding:22px;overflow:auto;
    box-shadow:-18px 0 40px rgba(7,24,42,.22);
  }
  .drawer.open{transform:none}
  [dir="rtl"] .drawer{inset:0 auto 0 0;transform:translateX(-100%)}
  [dir="rtl"] .drawer.open{transform:none}
  .drawer nav{display:grid;gap:2px;margin-top:14px}
  .drawer nav a{padding:14px 12px;border-bottom:1px solid var(--line-2);font-weight:600}
  .drawer nav a:hover{background:var(--paper)}
  .drawer .close{position:absolute;right:16px;top:16px;border:0;background:transparent;font-size:26px;cursor:pointer;line-height:1;color:var(--muted)}
  [dir="rtl"] .drawer .close{right:auto;left:16px}
  .drawer .drawer-cta{margin-top:20px;display:grid;gap:10px}
  .scrim{position:fixed;inset:0;background:rgba(7,24,42,.5);z-index:80;opacity:0;pointer-events:none;transition:opacity .26s}
  .scrim.open{opacity:1;pointer-events:auto}
}

@media (max-width:820px){
  .brand-name{font-size:15px}
  .brand-tag{font-size:9.5px;letter-spacing:.11em}
  .nav{min-height:70px}
  .section{padding:60px 0}
  .sec-head{grid-template-columns:1fr;gap:14px;align-items:start}
  .split{grid-template-columns:1fr;gap:30px}
  .split.rev .split-media{order:0}
  .family{grid-template-columns:1fr;gap:26px;padding:44px 0}
  .family:nth-child(even) .family-media{order:0}
  .inspect-split{grid-template-columns:1fr;gap:26px}
  .qual-grid{grid-template-columns:1fr;gap:0}
  .load-grid{grid-template-columns:1fr}
  .doc-list{grid-template-columns:1fr}
  .split-media .badge{right:12px;bottom:12px}
  .statstrip .wrap{grid-template-columns:1fr 1fr;padding:0 26px 8px}
  .statstrip .stat{border-left:0;padding:20px 0}
  .statstrip .stat:nth-child(odd){padding-right:14px}
  .topbar .tb-links{display:none}
}

@media (max-width:560px){
  .wrap{padding:0 18px}
  .grid-3,.market-grid,.lang-grid,.steps,.gallery-4,.feature-grid,.std-grid,.trust-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .floaters .wa{padding:13px}
  .floaters .wa em{display:none}
  .floaters .top-btn{width:50px;height:50px;padding:0}
}