/* ==========================================================================
   PAIDE CABLE — design system v3
   Direction: follows the reference corporate identity (paidecable.com) —
   deep blue #0B3A8F ground for header/hero/footer, oxidised orange #E8890C
   as the single accent, white content surfaces, condensed industrial display
   type, certification rail, sticky contact rail.
   ========================================================================== */

:root{
  --blue:#0B3A8F;
  --blue-d:#072A69;
  --blue-l:#1A4FA8;
  --blue-x:#EEF3FD;
  --orange:#E8890C;
  --orange-d:#C9740A;
  --orange-x:#FFF6E9;

  --white:#FFFFFF;
  --paper:#F6F7F9;
  --paper-2:#EFF1F5;
  --ink:#15181D;
  --ink-2:#4C545E;
  --ink-3:#8A929C;
  --line:#E3E6EC;
  --line-2:#D2D7E0;

  --f-display:"Oswald","Arial Narrow",Impact,sans-serif;
  --f-body:"Inter","Helvetica Neue",Arial,sans-serif;
  --f-label:"Inter",system-ui,sans-serif;

  --wrap:1320px;
  --pad:clamp(20px,4vw,44px);
  --r:6px;
  --sh:0 1px 2px rgba(11,58,143,.06),0 8px 24px -12px rgba(11,58,143,.18);
  --sh-hover:0 2px 4px rgba(11,58,143,.08),0 18px 40px -16px rgba(11,58,143,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--f-body);font-size:16px;line-height:1.72;
  letter-spacing:-.002em;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--blue);color:#fff}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.wrap-narrow{max-width:940px;margin:0 auto;padding:0 var(--pad)}

/* ---------- typography ---------- */
.display{
  font-family:var(--f-display);font-weight:600;letter-spacing:.005em;
  line-height:1.1;margin:0;text-transform:uppercase;text-wrap:balance;
}
h1.display{font-size:clamp(2.1rem,4.2vw,3.5rem)}
h2.display{font-size:clamp(1.6rem,2.9vw,2.5rem)}
h3.display{font-size:clamp(1.15rem,1.7vw,1.4rem);line-height:1.25}

p{margin:0 0 1.1em}
.lead{font-size:clamp(1rem,1.2vw,1.12rem);line-height:1.72;color:var(--ink-2);max-width:66ch}
.muted{color:var(--ink-2)}
.small{font-size:.875rem;color:var(--ink-3)}

.eyebrow{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--f-label);font-size:.6875rem;font-weight:700;
  letter-spacing:.18em;text-transform:uppercase;color:var(--orange);
  margin:0 0 1.1em;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--orange)}
.eyebrow.plain{color:var(--ink-3)}
.eyebrow.plain::before{background:var(--line-2)}

.kicker{
  font-family:var(--f-label);font-size:.75rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);
}
.sec-no{
  font-family:var(--f-label);font-size:.6875rem;font-weight:700;
  letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase;
}

/* section heading block (centred, like the reference site) */
.sec-title{text-align:center;max-width:760px;margin:0 auto clamp(2.2rem,4vw,3.4rem)}
.sec-title h2{margin:0 0 .7rem}
.sec-title p{margin:0;color:var(--ink-2);font-size:1rem}
.sec-title .rule{
  width:56px;height:3px;background:var(--orange);margin:1.1rem auto 0;border-radius:2px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(100deg,var(--blue-d),var(--blue) 55%,var(--blue-l));
  box-shadow:0 1px 0 rgba(255,255,255,.08) inset,0 6px 24px -18px rgba(7,42,105,.9);
}
.hd-inner{display:flex;align-items:center;justify-content:space-between;gap:1.6rem;height:84px}
.brand{display:flex;align-items:center;gap:.8rem;flex:0 0 auto}
.brand-mark{width:38px;height:38px;flex:0 0 38px}
.brand-mark svg{display:block;width:100%;height:100%}
.brand-txt{
  font-family:var(--f-display);font-weight:600;font-size:1.32rem;letter-spacing:.06em;
  line-height:1;color:#fff;text-transform:uppercase;
}
.brand-txt span{color:var(--orange)}
.brand-sub{
  font-family:var(--f-label);font-size:.5625rem;font-weight:600;letter-spacing:.16em;
  color:rgba(255,255,255,.62);text-transform:uppercase;margin-top:.34rem;
}
.nav{display:flex;align-items:center;gap:.1rem;margin-left:auto}
.nav a{
  position:relative;padding:.6rem .85rem;font-size:.875rem;font-weight:500;
  color:rgba(255,255,255,.82);transition:color .2s;white-space:nowrap;
}
.nav a:hover,.nav a[aria-current="page"]{color:#fff}
.nav a[aria-current="page"]::after{
  content:"";position:absolute;left:.85rem;right:.85rem;bottom:.15rem;
  height:2px;background:var(--orange);border-radius:2px;
}
.hd-right{display:flex;align-items:center;gap:.9rem;flex:0 0 auto}
.hd-tel{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--f-label);font-size:.875rem;font-weight:600;color:#fff;
  white-space:nowrap;
}
.hd-tel svg{opacity:.75}
.hd-tel:hover{color:var(--orange)}
.hd-cta{
  display:inline-flex;align-items:center;gap:.5rem;
  background:var(--orange);color:#fff;padding:.62rem 1.1rem;border-radius:var(--r);
  font-family:var(--f-label);font-size:.8125rem;font-weight:600;letter-spacing:.03em;
  transition:background .22s,transform .22s var(--ease);
}
.hd-cta:hover{background:var(--orange-d)}

/* language switcher */
.lang{position:relative}
.lang-btn{
  display:inline-flex;align-items:center;gap:.45rem;cursor:pointer;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  color:#fff;border-radius:var(--r);padding:.5rem .7rem;
  font-family:var(--f-label);font-size:.75rem;font-weight:600;letter-spacing:.06em;
  transition:background .2s,border-color .2s;
}
.lang-btn:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.4)}
.lang-btn .chev{transition:transform .2s}
.lang.open .lang-btn .chev{transform:rotate(180deg)}
.lang-menu{
  position:absolute;right:0;top:calc(100% + 8px);min-width:190px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  box-shadow:0 20px 44px -18px rgba(7,42,105,.45);padding:.35rem;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s,transform .2s,visibility .2s;z-index:90;
}
.lang.open .lang-menu{opacity:1;visibility:visible;transform:none}
.lang-menu a{
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
  padding:.6rem .7rem;border-radius:4px;font-size:.875rem;color:var(--ink);
}
.lang-menu a:hover{background:var(--blue-x);color:var(--blue)}
.lang-menu a[aria-current="true"]{background:var(--blue);color:#fff}
.lang-menu a span{font-size:.6875rem;color:inherit;opacity:.6}
.lang-note{
  padding:.5rem .7rem .35rem;font-family:var(--f-label);font-size:.625rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);
  border-top:1px solid var(--line);margin-top:.25rem;
}
.burger{display:none;background:none;border:0;padding:.4rem;cursor:pointer}

/* mobile drawer */
.m-drawer{
  position:fixed;inset:0;z-index:95;background:var(--blue-d);
  padding:5rem var(--pad) 2rem;overflow:auto;
  transform:translateX(100%);transition:transform .38s var(--ease);
}
.m-drawer.open{transform:translateX(0)}
.m-drawer a{
  display:block;padding:1rem .2rem;border-bottom:1px solid rgba(255,255,255,.12);
  font-size:1.05rem;color:#fff;
}
.m-drawer .sub{font-size:.9rem;color:rgba(255,255,255,.7)}
.m-drawer .lang-row{display:flex;gap:.6rem;padding:1.2rem 0 0}
.m-drawer .lang-row a{
  border:1px solid rgba(255,255,255,.25);border-radius:var(--r);
  padding:.5rem .9rem;font-size:.8125rem;flex:0 0 auto;
}
.m-drawer .lang-row a[aria-current="true"]{background:var(--orange);border-color:var(--orange)}
.m-close{
  position:absolute;top:1.4rem;right:var(--pad);background:none;border:0;
  color:#fff;font-size:1.8rem;cursor:pointer;line-height:1;
}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(120% 90% at 78% 18%,rgba(232,137,12,.16),transparent 58%),
    linear-gradient(115deg,var(--blue-d) 0%,var(--blue) 62%,#12408F 100%);
  color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
  background-image:linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px),
                   linear-gradient(0deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(120% 100% at 20% 40%,#000,transparent 72%);
}
.hero-inner{
  position:relative;display:grid;grid-template-columns:1.06fr .94fr;
  gap:clamp(2rem,4.5vw,4.5rem);align-items:center;
  padding-top:clamp(3rem,6vw,5.2rem);padding-bottom:clamp(3rem,6vw,5.2rem);
}
.hero-copy{position:relative;z-index:2}
.hero-copy .eyebrow{color:#FFB44D}
.hero-copy .eyebrow::before{background:#FFB44D}
.hero-copy h1{
  font-size:clamp(2rem,4.6vw,3.9rem);line-height:1.06;color:#fff;
  font-weight:700;letter-spacing:.005em;text-transform:uppercase;
}
.hero-copy h1 em{font-style:normal;color:#FFB44D;display:block}
.hero-sub{
  max-width:48ch;margin:1.3rem 0 2rem;color:rgba(255,255,255,.82);
  font-size:clamp(.98rem,1.1vw,1.08rem);line-height:1.7;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center}

.btn{
  display:inline-flex;align-items:center;gap:.55rem;border-radius:var(--r);
  padding:.9rem 1.5rem;font-family:var(--f-label);font-size:.8125rem;
  font-weight:600;letter-spacing:.03em;border:1px solid transparent;cursor:pointer;
  transition:all .22s var(--ease);
}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange)}
.btn-primary:hover{background:var(--orange-d);border-color:var(--orange-d);transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(232,137,12,.9)}
.btn-ghost{border-color:rgba(255,255,255,.38);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-line{border-color:var(--line-2);color:var(--ink);background:#fff}
.btn-line:hover{border-color:var(--blue);color:var(--blue)}
.btn .arw{transition:transform .22s var(--ease)}
.btn:hover .arw{transform:translateX(3px)}

/* hero visual: collage plate on blue */
.hero-vis{
  position:relative;aspect-ratio:5/4.4;border-radius:10px;overflow:hidden;
  background:#fff;box-shadow:0 30px 70px -30px rgba(3,20,50,.75);
  display:flex;align-items:center;justify-content:center;padding:clamp(1.2rem,2.4vw,2.2rem);
}
.hero-vis img{width:100%;height:100%;object-fit:contain}
.hero-vis .vis-meta{
  position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;
  padding:.7rem clamp(1rem,2vw,1.4rem);background:rgba(7,42,105,.95);color:#fff;
  font-family:var(--f-label);font-size:.625rem;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;
}

/* certification rail under hero */
.cert-rail{
  background:#fff;border-bottom:1px solid var(--line);
}
.cert-in{
  display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;
  padding:1.4rem 0;
}
.cert-label{
  font-family:var(--f-label);font-size:.6875rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-3);flex:0 0 auto;
}
.cert-list{display:flex;align-items:center;gap:clamp(1.4rem,3vw,3rem);flex-wrap:wrap}
.cert{
  display:flex;align-items:center;gap:.55rem;
  font-family:var(--f-display);font-size:1.15rem;font-weight:600;
  letter-spacing:.06em;color:var(--blue);text-transform:uppercase;
}
.cert i{
  width:8px;height:8px;border-radius:50%;background:var(--orange);display:block;flex:0 0 8px;
}
.cert small{font-family:var(--f-label);font-size:.5625rem;letter-spacing:.1em;color:var(--ink-3);font-weight:600}

/* ---------- sections ---------- */
section{position:relative}
.sec{padding:clamp(3.4rem,6.5vw,6.5rem) 0}
.sec.tight{padding:clamp(2.4rem,4vw,3.6rem) 0}
.sec-white{background:#fff}
.sec-line{border-top:1px solid var(--line)}
.sec-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;
  margin-bottom:clamp(1.8rem,3.4vw,3rem);flex-wrap:wrap;
}
.sec-head h2{margin:0}
.sec-head .aside{font-size:.9375rem;color:var(--ink-2);max-width:40ch}

.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.split.rev > *:first-child{order:2}
.figure{
  position:relative;background:#fff;border-radius:var(--r);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh);
}
.figure img{width:100%;height:100%;object-fit:contain;padding:clamp(1.2rem,2.6vw,2.2rem)}
.figure-cap{
  display:flex;justify-content:space-between;gap:1rem;
  padding:.75rem clamp(1rem,2vw,1.3rem);border-top:1px solid var(--line);
  font-family:var(--f-label);font-size:.625rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-3);background:var(--paper);
}
.figure-cap span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60%}

/* capability list */
.cap-list{border-top:1px solid var(--line-2)}
.cap{
  display:grid;grid-template-columns:64px 1fr 1.15fr;gap:clamp(1rem,2.6vw,2.6rem);
  padding:1.6rem 0;border-bottom:1px solid var(--line);align-items:start;
  transition:background .25s,padding-left .25s var(--ease);
}
.cap:hover{background:#fff;padding-left:.8rem}
.cap-n{
  font-family:var(--f-display);font-size:1.1rem;font-weight:600;
  color:var(--orange);padding-top:.1rem;
}
.cap h3{
  margin:0;font-family:var(--f-display);font-size:clamp(1.05rem,1.5vw,1.28rem);
  font-weight:600;text-transform:uppercase;letter-spacing:.02em;line-height:1.25;
}
.cap p{margin:0;color:var(--ink-2);font-size:.9375rem;line-height:1.68}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-2);border-radius:var(--r);overflow:hidden}
.stat{background:#fff;padding:1.9rem 1.5rem;text-align:center}
.stat b{
  display:block;font-family:var(--f-display);font-size:clamp(2rem,3.4vw,2.9rem);
  font-weight:600;line-height:1;color:var(--blue);
}
.stat b span{color:var(--orange);font-size:.55em;vertical-align:super;margin-left:.06em}
.stat i{
  display:block;margin-top:.6rem;font-style:normal;
  font-family:var(--f-label);font-size:.625rem;font-weight:700;
  letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);
}

/* ---------- category cards (reference-style product families) ---------- */
.cat-cards{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:clamp(1rem,2vw,1.6rem);
}
.cat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:1.6rem 1.5rem 1.4rem;display:flex;flex-direction:column;gap:.6rem;
  box-shadow:var(--sh);transition:transform .25s var(--ease),box-shadow .25s ease,border-color .25s;
  position:relative;overflow:hidden;
}
.cat-card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--orange);
  transition:width .3s var(--ease);
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--line-2)}
.cat-card:hover::before{width:100%}
.cat-card .n{
  font-family:var(--f-display);font-size:.9rem;font-weight:600;color:var(--orange);
  letter-spacing:.08em;
}
.cat-card h3{
  margin:0;font-family:var(--f-display);font-size:1.16rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.02em;line-height:1.25;color:var(--ink);
}
.cat-card p{margin:0;font-size:.875rem;color:var(--ink-2);line-height:1.62;flex:1}
.cat-card .go{
  font-family:var(--f-label);font-size:.6875rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--blue);display:inline-flex;align-items:center;gap:.4rem;
  margin-top:.3rem;
}
.cat-card:hover .go{color:var(--orange)}
.cat-card .count{
  font-family:var(--f-label);font-size:.625rem;font-weight:600;color:var(--ink-3);
  letter-spacing:.1em;
}

/* category index list (secondary) */
.cat-index{border-top:1px solid var(--line-2)}
.cat-row{
  display:grid;grid-template-columns:52px 1fr 1.25fr 92px;gap:clamp(.8rem,2.4vw,2.2rem);
  align-items:center;padding:1.2rem 0;border-bottom:1px solid var(--line);
  transition:background .22s,padding-left .22s var(--ease);
}
.cat-row:hover{background:#fff;padding-left:.7rem}
.cat-row .idx{
  font-family:var(--f-display);font-size:.95rem;font-weight:600;color:var(--orange);
}
.cat-row .name{
  font-family:var(--f-display);font-size:1.02rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.02em;
}
.cat-row .desc{font-size:.875rem;color:var(--ink-2);line-height:1.55}
.cat-row .cnt{
  text-align:right;font-family:var(--f-label);font-size:.625rem;font-weight:700;
  color:var(--ink-3);letter-spacing:.1em;text-transform:uppercase;
}
.cat-row:hover .cnt{color:var(--orange)}

/* ---------- product cards ---------- */
.prod-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));
  gap:clamp(1rem,1.8vw,1.5rem);
}
.pcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s,border-color .25s;
}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--line-2)}
.pcard-media{
  position:relative;aspect-ratio:4/3.1;background:#fff;
  display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line);
}
.pcard-media img{
  width:100%;height:100%;object-fit:contain;padding:1.1rem;
  transition:transform .5s var(--ease);
}
.pcard:hover .pcard-media img{transform:scale(1.04)}
.pcard-model{
  position:absolute;left:0;top:0;max-width:88%;
  background:var(--blue);color:#fff;
  font-family:var(--f-label);font-size:.5625rem;font-weight:700;letter-spacing:.08em;
  padding:.32rem .55rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  border-bottom-right-radius:4px;
}
.pcard-body{padding:.95rem 1.05rem 1.1rem;display:flex;flex-direction:column;gap:.4rem;flex:1}
.pcard-cat{
  font-family:var(--f-label);font-size:.5625rem;font-weight:700;letter-spacing:.13em;
  text-transform:uppercase;color:var(--orange);
}
.pcard-title{
  font-family:var(--f-body);font-size:.9063rem;font-weight:600;line-height:1.45;
  color:var(--ink);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.pcard-foot{
  margin-top:auto;padding-top:.75rem;display:flex;align-items:center;
  justify-content:space-between;gap:.5rem;
  font-family:var(--f-label);font-size:.5938rem;font-weight:600;letter-spacing:.08em;
  color:var(--ink-3);text-transform:uppercase;border-top:1px solid var(--line);
}
.pcard:hover .pcard-foot{color:var(--blue)}

/* filters */
.filters{display:flex;flex-wrap:wrap;gap:.45rem;margin-bottom:2rem}
.filters a{
  padding:.52rem .9rem;border:1px solid var(--line-2);border-radius:999px;background:#fff;
  font-family:var(--f-label);font-size:.6875rem;font-weight:600;letter-spacing:.04em;
  text-transform:uppercase;color:var(--ink-2);transition:all .2s;
}
.filters a:hover{border-color:var(--blue);color:var(--blue)}
.filters a.on{background:var(--blue);color:#fff;border-color:var(--blue)}
.filters a b{font-weight:600;opacity:.6;margin-left:.35rem}

/* ---------- page hero (inner) ---------- */
.page-head{
  position:relative;color:#fff;overflow:hidden;
  background:linear-gradient(105deg,var(--blue-d),var(--blue) 65%,#12408F);
}
.page-head::after{
  content:"";position:absolute;right:-6%;top:-40%;width:46%;height:180%;
  background:radial-gradient(circle,rgba(232,137,12,.22),transparent 62%);
  pointer-events:none;
}
.page-head-in{
  position:relative;z-index:2;
  padding-top:clamp(2.2rem,4.5vw,3.6rem);padding-bottom:clamp(2rem,4vw,3.2rem);
}
.crumbs{
  display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-bottom:1.3rem;
  font-family:var(--f-label);font-size:.625rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:rgba(255,255,255,.55);
}
.crumbs a:hover{color:#fff}
.crumbs span{opacity:.4}
.page-head h1{margin-bottom:.6rem;color:#fff}
.page-head h1.pd-title{font-size:clamp(1.35rem,2.5vw,2.15rem);line-height:1.22;max-width:34ch}
.page-head .lead{color:rgba(255,255,255,.82);max-width:68ch;margin:0}

/* ---------- product detail ---------- */
.pd-top{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,4vw,3.6rem);align-items:start}
.pd-gallery{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh)}
.pd-main{aspect-ratio:4/3.3;display:flex;align-items:center;justify-content:center;padding:clamp(1.2rem,2.6vw,2.2rem)}
.pd-main img{max-width:100%;max-height:100%;object-fit:contain}
.pd-thumbs{display:flex;gap:1px;background:var(--line);border-top:1px solid var(--line)}
.pd-thumbs button{
  flex:1;aspect-ratio:1;background:#fff;border:0;padding:.45rem;cursor:pointer;position:relative;
  transition:background .2s;
}
.pd-thumbs button img{width:100%;height:100%;object-fit:contain}
.pd-thumbs button:hover{background:var(--paper)}
.pd-thumbs button[aria-current="true"]::after{content:"";position:absolute;inset:0;border:2px solid var(--orange)}
.pd-model{
  display:inline-block;background:var(--blue-x);color:var(--blue);
  font-family:var(--f-label);font-size:.6875rem;font-weight:700;letter-spacing:.08em;
  padding:.35rem .6rem;border-radius:4px;margin-bottom:.9rem;
}
.pd-specs{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin:1.4rem 0;background:#fff}
.pd-spec{
  display:grid;grid-template-columns:minmax(120px,.62fr) 1.38fr;gap:1rem;
  padding:.75rem 1rem;border-bottom:1px solid var(--line);font-size:.9rem;
}
.pd-spec:last-child{border-bottom:0}
.pd-spec:nth-child(odd){background:var(--paper)}
.pd-spec dt{
  font-family:var(--f-label);font-size:.625rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-3);padding-top:.2rem;
}
.pd-spec dd{margin:0;color:var(--ink);line-height:1.55;font-weight:500}
.pd-actions{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.3rem}
.pd-note{
  margin-top:1.2rem;padding:1rem 1.2rem;border-left:3px solid var(--orange);
  background:var(--orange-x);font-size:.8438rem;color:var(--ink-2);line-height:1.62;border-radius:0 var(--r) var(--r) 0;
}
.pd-body{max-width:74ch}
.pd-body h3{
  font-family:var(--f-display);font-size:1rem;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;color:var(--blue);
  margin:2.2rem 0 .8rem;padding-bottom:.5rem;border-bottom:1px solid var(--line);
}
.pd-body h3:first-child{margin-top:0}
.pd-body p{color:var(--ink-2);font-size:.9688rem;line-height:1.78;margin:0 0 1.05em}
.pd-body li{color:var(--ink-2);font-size:.9688rem;line-height:1.72;margin-bottom:.5rem}
.pd-body ul{padding-left:1.2rem;margin:0 0 1.2em}
.pd-sticky{position:sticky;top:104px}
.pd-foot{
  display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:1.8rem;margin-top:3rem;
}
.pd-nav{display:flex;flex-direction:column;gap:.3rem;max-width:44%}
.pd-nav i{
  font-family:var(--f-label);font-size:.5625rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-3);font-style:normal;
}
.pd-nav a{font-size:.9rem;color:var(--ink-2);line-height:1.45}
.pd-nav a:hover{color:var(--blue)}

/* ---------- applications ---------- */
.app-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:clamp(1rem,2vw,1.5rem)}
.app{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:1.6rem 1.5rem;display:flex;flex-direction:column;gap:.7rem;
  box-shadow:var(--sh);transition:transform .25s var(--ease),box-shadow .25s;
}
.app:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.app-n{
  font-family:var(--f-display);font-size:.9rem;font-weight:600;color:var(--orange);letter-spacing:.08em;
}
.app h3{margin:0;font-family:var(--f-display);font-size:1.1rem;font-weight:600;text-transform:uppercase;letter-spacing:.02em;line-height:1.25}
.app p{margin:0;font-size:.9rem;color:var(--ink-2);line-height:1.66}
.app .chips{display:flex;flex-wrap:wrap;gap:.35rem;padding-top:.2rem}
.app > div:last-child{margin-top:auto}
.chip{
  font-family:var(--f-label);font-size:.5625rem;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;padding:.28rem .55rem;border:1px solid var(--line-2);
  color:var(--ink-3);border-radius:999px;background:var(--paper);
}

/* ---------- news ---------- */
.news-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.news-row{
  display:grid;grid-template-columns:110px 1fr 32px;gap:clamp(1rem,2.6vw,2.4rem);
  padding:1.35rem 1.4rem;background:#fff;align-items:start;transition:background .2s;
}
.news-row:hover{background:var(--paper)}
.news-row time{
  font-family:var(--f-label);font-size:.625rem;font-weight:600;letter-spacing:.1em;
  color:var(--ink-3);padding-top:.25rem;
}
.news-row h3{margin:0 0 .4rem;font-family:var(--f-body);font-size:1rem;font-weight:600;line-height:1.45}
.news-row p{margin:0;font-size:.875rem;color:var(--ink-2);line-height:1.6;max-width:78ch}
.news-row .go{color:var(--ink-3);justify-self:end;transition:color .2s,transform .2s}
.news-row:hover .go{color:var(--orange);transform:translateX(3px)}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(105deg,var(--blue-d),var(--blue) 60%,#12408F);
  color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-8%;top:-50%;width:52%;height:200%;
  background:radial-gradient(circle,rgba(232,137,12,.24),transparent 62%);pointer-events:none;
}
.cta-in{
  position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;
  gap:2rem;flex-wrap:wrap;padding-top:clamp(2.4rem,5vw,4rem);padding-bottom:clamp(2.4rem,5vw,4rem);
}
.cta-in h2{margin:0;max-width:24ch;color:#fff}
.cta-band .eyebrow{color:#FFB44D}
.cta-band .eyebrow::before{background:#FFB44D}

/* ---------- footer ---------- */
.site-footer{background:var(--blue-d);color:rgba(255,255,255,.72);padding-top:clamp(2.6rem,5vw,4rem)}
.ft-top{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:clamp(1.6rem,3.4vw,3rem);padding-bottom:2.6rem}
.ft-brand .brand{margin-bottom:1.1rem}
.ft-brand p{font-size:.875rem;color:rgba(255,255,255,.6);max-width:36ch;line-height:1.7}
.ft-col h4{
  margin:0 0 .9rem;font-family:var(--f-display);font-size:.9375rem;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;color:#fff;
}
.ft-col a,.ft-col p{display:block;font-size:.875rem;color:rgba(255,255,255,.66);margin-bottom:.5rem;line-height:1.55}
.ft-col a:hover{color:var(--orange)}
.ft-cert{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1rem}
.ft-cert span{
  font-family:var(--f-label);font-size:.5625rem;font-weight:700;letter-spacing:.1em;
  padding:.3rem .55rem;border:1px solid rgba(255,255,255,.2);border-radius:4px;color:rgba(255,255,255,.7);
}
.ft-bottom{
  display:flex;justify-content:space-between;gap:1.2rem;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);padding:1.1rem 0;
  font-family:var(--f-label);font-size:.6875rem;color:rgba(255,255,255,.45);
}

/* ---------- sticky contact rail ---------- */
.rail{
  position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:70;
  display:flex;flex-direction:column;border-radius:8px 0 0 8px;overflow:hidden;
  box-shadow:0 12px 30px -12px rgba(7,42,105,.5);
}
.rail a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.25rem;
  width:66px;padding:.75rem .3rem;background:var(--blue);color:#fff;
  font-family:var(--f-label);font-size:.5625rem;font-weight:600;letter-spacing:.04em;
  border-bottom:1px solid rgba(255,255,255,.14);transition:background .2s;
}
.rail a:last-child{border-bottom:0;background:var(--orange)}
.rail a:hover{background:var(--blue-l)}
.rail a:last-child:hover{background:var(--orange-d)}
.rail svg{width:18px;height:18px;opacity:.92}
@media (max-width:900px){.rail{display:none}}

/* ---------- misc ---------- */
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none}}

.tag-row{display:flex;flex-wrap:wrap;gap:.45rem;margin:1.1rem 0}
.tag{
  font-family:var(--f-label);font-size:.625rem;font-weight:600;letter-spacing:.07em;
  text-transform:uppercase;padding:.32rem .6rem;border:1px solid var(--line-2);
  color:var(--ink-2);border-radius:999px;background:#fff;
}

.note-box{
  border:1px solid var(--line);border-left:3px solid var(--orange);
  padding:1.1rem 1.3rem;font-size:.9rem;color:var(--ink-2);line-height:1.7;
  background:var(--orange-x);border-radius:0 var(--r) var(--r) 0;
}
.kv{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
}
.kv > div{background:#fff;padding:1.2rem 1.3rem}
.kv b{
  display:block;font-family:var(--f-label);font-size:.625rem;font-weight:700;
  letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3);margin-bottom:.4rem;
}
.kv span{font-size:.9375rem;line-height:1.55}

table.tbl{width:100%;border-collapse:collapse;font-size:.9rem;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
table.tbl th,table.tbl td{text-align:left;padding:.8rem 1rem;border-bottom:1px solid var(--line)}
table.tbl th{
  font-family:var(--f-label);font-size:.625rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:#fff;background:var(--blue);border-bottom:0;
}
table.tbl tr:last-child td{border-bottom:0}
table.tbl td{color:var(--ink-2)}

/* FAQ */
.faq{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{
  padding:1.1rem 1.2rem;cursor:pointer;list-style:none;
  font-size:.9688rem;font-weight:600;line-height:1.5;
  display:flex;justify-content:space-between;gap:1.5rem;align-items:center;
  transition:background .2s;
}
.faq summary:hover{background:var(--paper)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--orange);font-size:1.2rem;line-height:1;font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq .ans{padding:0 1.2rem 1.3rem;color:var(--ink-2);font-size:.9375rem;line-height:1.75;max-width:80ch}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem)}
.c-item{padding:1.2rem 0;border-bottom:1px solid var(--line)}
.c-item b{
  display:block;font-family:var(--f-label);font-size:.625rem;font-weight:700;
  letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3);margin-bottom:.4rem;
}
.c-item span,.c-item a{font-size:1rem;line-height:1.55}
.c-item a:hover{color:var(--blue)}
form.inq{display:grid;gap:.9rem;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:clamp(1.2rem,2.4vw,1.8rem);box-shadow:var(--sh)}
form.inq label{
  font-family:var(--f-label);font-size:.625rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-3);display:block;margin-bottom:.4rem;
}
form.inq input,form.inq textarea,form.inq select{
  width:100%;background:var(--paper);border:1px solid var(--line-2);border-radius:4px;
  color:var(--ink);padding:.78rem .9rem;font-family:var(--f-body);font-size:.9375rem;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
form.inq input:focus,form.inq textarea:focus,form.inq select:focus{
  outline:none;background:#fff;border-color:var(--blue);box-shadow:0 0 0 3px rgba(11,58,143,.1);
}
form.inq textarea{min-height:130px;resize:vertical}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .hd-tel{display:none}
}
@media (max-width:1080px){
  .nav{display:none}
  .burger{display:block}
  .hero-inner{grid-template-columns:1fr;gap:2.2rem}
  .hero-vis{max-width:520px;margin:0 auto}
  .split{grid-template-columns:1fr}
  .split.rev > *:first-child{order:0}
  .pd-top{grid-template-columns:1fr}
  .pd-sticky{position:static}
  .ft-top{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .hd-inner{height:70px}
  .hd-cta{display:none}
  .brand-txt{font-size:1.1rem}
  .brand-sub{display:none}
  .cap{grid-template-columns:36px 1fr;gap:.8rem}
  .cap p{grid-column:2}
  .cat-row{grid-template-columns:32px 1fr auto;gap:.7rem}
  .cat-row .desc{display:none}
  .news-row{grid-template-columns:1fr;gap:.5rem;padding:1.1rem}
  .news-row .go{display:none}
  .contact-grid{grid-template-columns:1fr}
  .ft-top{grid-template-columns:1fr;gap:1.8rem}
  .prod-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
  .pcard-body{padding:.7rem .8rem .9rem}
  .pcard-title{font-size:.8125rem}
  .cta-in{flex-direction:column;align-items:flex-start}
  .cert-in{gap:1rem}
}


/* ---------- Chinese typography tuning ----------
   Oswald has no CJK glyphs, so Chinese falls back to the system sans;
   one step lighter keeps the headlines from looking heavy. */
:lang(zh) body{letter-spacing:0}
:lang(zh) .display{font-weight:600;letter-spacing:.01em}
:lang(zh) h1.display{line-height:1.22}
:lang(zh) h2.display{line-height:1.3}
:lang(zh) .hero-copy h1{font-weight:600;line-height:1.24}
:lang(zh) .brand-txt{letter-spacing:.04em}
:lang(zh) .cat-card h3,:lang(zh) .cap h3,:lang(zh) .app h3,:lang(zh) .cat-row .name{font-weight:600}