/* ============================================================
   Bulk Pro — English B2B Marketing Homepage
   Palette: Navy #0A2540 / Teal #00B894 / White / #F4F7FA
   ============================================================ */
:root{
  --navy:#0A2540;
  --navy-2:#0d2f52;
  --navy-3:#123a63;
  --teal:#00B894;
  --teal-d:#009a7b;
  --bg:#F4F7FA;
  --white:#fff;
  --ink:#152a40;
  --muted:#5a6b7c;
  --line:#e3eaf0;
  --cta:#FF7A18;
  --cta-d:#E85D04;
  --shadow:0 10px 30px rgba(10,37,64,.10);
  --shadow-lg:0 22px 60px rgba(10,37,64,.16);
  --radius:12px;
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;line-height:1.7;color:var(--ink);background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:.2s;}
ul,ol{list-style:none;}
::selection{background:var(--teal);color:#fff;}
.container{width:var(--maxw);max-width:92%;margin:0 auto;}
h1,h2,h3,h4{line-height:1.25;color:var(--navy);font-weight:800;letter-spacing:-.01em;}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 28px;border-radius:8px;
  font-size:15px;font-weight:700;cursor:pointer;border:0;transition:.22s;letter-spacing:.01em;}
.btn-primary{background:linear-gradient(135deg,var(--teal),var(--teal-d));color:#fff;box-shadow:0 8px 22px rgba(0,184,148,.32);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,184,148,.42);}
.btn-ghost{background:rgba(255,255,255,.10);border:1.5px solid rgba(255,255,255,.65);color:#fff;backdrop-filter:blur(4px);}
.btn-ghost:hover{background:rgba(255,255,255,.22);}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:7px;}
.btn-outline-navy{border:1.5px solid var(--line);color:var(--navy);background:#fff;}
.btn-outline-navy:hover{border-color:var(--teal);color:var(--teal-d);}
.nav-cta{background:linear-gradient(135deg,var(--cta),var(--cta-d));color:#fff;box-shadow:0 8px 22px rgba(232,93,4,.34);}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(232,93,4,.46);background:linear-gradient(135deg,var(--cta-d),#C94F02);}

/* ============================================================
   HEADER (sticky)
   ============================================================ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s;}
.site-header.scrolled{box-shadow:0 6px 24px rgba(10,37,64,.10);}
.nav-wrap{display:flex;align-items:center;gap:26px;padding:14px 0;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand .mark{width:44px;height:44px;flex-shrink:0;}
.brand-txt b{display:block;font-size:20px;font-weight:800;color:var(--navy);letter-spacing:.02em;line-height:1.1;}
.brand-txt b i{color:var(--teal);font-style:normal;}
.brand-txt small{display:block;font-size:10.5px;color:var(--muted);font-weight:500;letter-spacing:.02em;max-width:250px;line-height:1.3;}
.main-nav{flex:1;display:flex;justify-content:center;}
.main-nav>ul{display:flex;align-items:center;gap:4px;}
.main-nav>ul>li{position:relative;}
.main-nav>ul>li>a{display:flex;align-items:center;gap:5px;padding:10px 13px;font-size:14.5px;font-weight:600;
  color:var(--ink);border-radius:7px;white-space:nowrap;}
.main-nav>ul>li>a .caret{width:8px;height:8px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg) translateY(-1px);transition:.2s;}
.main-nav>ul>li>a:hover{color:var(--teal-d);background:var(--bg);}
.main-nav>ul>li>a:hover .caret{border-color:var(--teal-d);}
.drop{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);
  background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);
  padding:14px;min-width:280px;opacity:0;visibility:hidden;transition:.2s;z-index:110;}
.drop::before{content:"";position:absolute;top:-6px;left:0;right:0;height:6px;}
.main-nav li:hover>.drop{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
/* Mega menu */
.drop.mega{left:0;transform:translateY(8px);min-width:720px;max-width:min(94vw,1120px);padding:24px 26px;}
.main-nav li:hover>.drop.mega{transform:translateY(0);}
.mm-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(196px,1fr));gap:22px 30px;}
.mm-col{display:flex;flex-direction:column;gap:7px;}
.mm-cat{font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-d);
  margin:0 0 4px;padding-bottom:9px;border-bottom:2px solid var(--line);}
.drop .mm-card{display:block;padding:11px 13px;border-radius:10px;border:1px solid transparent;background:#fff;transition:.18s;}
.drop .mm-card b{display:block;font-size:14px;font-weight:700;color:var(--navy);margin-bottom:3px;line-height:1.3;}
.drop .mm-card small{display:block;font-size:11.5px;color:var(--muted);line-height:1.45;}
.drop .mm-card:hover{background:var(--bg);border-color:var(--teal);transform:translateX(3px);box-shadow:var(--shadow);}
.drop .mm-card:hover b{color:var(--teal-d);}
.drop .mm-card.mm-feature{margin-top:2px;background:linear-gradient(135deg,rgba(0,184,148,.10),rgba(0,184,148,.04));border-color:rgba(0,184,148,.32);}
.drop .mm-card.mm-feature b{color:var(--teal-d);}
/* legacy simple drop (fallback) */
.drop a{display:block;padding:9px 14px;border-radius:8px;font-size:13.5px;font-weight:500;color:var(--muted);}
.drop a:hover{background:var(--bg);color:var(--navy);}
.drop a b{color:var(--navy);font-weight:600;display:block;font-size:13.5px;}
.drop a small{display:block;font-size:11.5px;color:var(--muted);}
.nav-right{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.lang{position:relative;}
.lang>button{display:flex;align-items:center;gap:7px;padding:8px 14px;border:1px solid var(--line);border-radius:8px;
  background:#fff;font:600 13px/1 'Inter',sans-serif;color:var(--ink);cursor:pointer;}
.lang>button .globe{width:15px;height:15px;fill:var(--muted);}
.lang-menu{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border:1px solid var(--line);
  border-radius:10px;box-shadow:var(--shadow-lg);padding:8px;min-width:130px;opacity:0;visibility:hidden;transition:.2s;z-index:110;}
.lang:hover .lang-menu{opacity:1;visibility:visible;}
.lang-menu a{display:block;padding:8px 14px;border-radius:7px;font-size:13px;font-weight:500;color:var(--muted);}
.lang-menu a:hover{background:var(--bg);color:var(--navy);}
.lang-menu a.active{color:var(--teal-d);font-weight:700;}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;}
.hamburger span{width:24px;height:2.5px;background:var(--navy);border-radius:2px;transition:.25s;}

/* Mobile nav drawer */
.mobile-nav{display:none;position:fixed;top:65px;left:0;right:0;bottom:0;background:#fff;z-index:99;
  overflow-y:auto;padding:18px 5%;border-top:1px solid var(--line);}
.mobile-nav.open{display:block;}
.mobile-nav>a,.mobile-nav>.mgroup>span{display:block;padding:13px 6px;font-weight:700;color:var(--navy);
  border-bottom:1px solid var(--line);font-size:15.5px;}
.mobile-nav .mgroup .sub{display:none;padding:4px 0 10px 18px;}
.mobile-nav .mgroup.open .sub{display:block;}
.mobile-nav .mgroup .sub a{display:block;padding:8px 4px;font-size:13.5px;color:var(--muted);border:0;font-weight:500;}
.mobile-nav .mn-cta{margin:16px 6px 0;padding:14px;text-align:center;color:#fff;font-weight:700;border-radius:10px;background:linear-gradient(135deg,var(--cta),var(--cta-d));}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:640px;display:flex;align-items:center;overflow:hidden;
  padding:130px 0 90px;background:var(--navy);}
.hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 62%;opacity:.92;}
.hero::before{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(10,37,64,.97) 0%,rgba(10,37,64,.93) 36%,rgba(10,37,64,.66) 62%,rgba(10,37,64,.3) 100%);}
.hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:radial-gradient(circle at 85% 25%,rgba(0,184,148,.22),transparent 55%);}
.hero .container{position:relative;z-index:2;max-width:1000px;}
.hero .kicker{display:inline-flex;align-items:center;gap:9px;color:var(--teal);font-weight:700;font-size:13.5px;
  letter-spacing:.14em;text-transform:uppercase;margin-bottom:20px;}
.hero .kicker::before{content:"";width:26px;height:2px;background:var(--teal);}
.hero h1{color:#fff;font-size:clamp(30px,4.6vw,52px);max-width:860px;}
.hero .sub{color:#c6d4e2;font-size:clamp(15px,1.6vw,18.5px);margin:24px 0 36px;max-width:730px;line-height:1.75;}
.hero .cta-row{display:flex;gap:16px;flex-wrap:wrap;}
.hero .trust{margin-top:36px;display:flex;gap:28px;flex-wrap:wrap;color:#93a8bd;font-size:13px;font-weight:500;}
.hero .trust span{display:flex;align-items:center;gap:8px;}
.hero .trust svg{width:16px;height:16px;fill:var(--teal);}
/* scroll cue */
.scroll-cue{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);z-index:2;color:rgba(255,255,255,.5);
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:8px;}
.scroll-cue::after{content:"";width:1px;height:34px;background:linear-gradient(180deg,rgba(255,255,255,.6),transparent);}

/* ============================================================
   METRICS
   ============================================================ */
.metrics{background:#fff;padding:64px 0;}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.metric{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;
  transition:.25s;position:relative;overflow:hidden;}
.metric::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--teal),transparent 70%);}
.metric:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.metric b{display:block;font-size:38px;font-weight:800;color:var(--navy);letter-spacing:-.02em;line-height:1.1;}
.metric b em{font-style:normal;color:var(--teal);}
.metric .m-t{font-size:15px;font-weight:700;color:var(--ink);margin:10px 0 6px;}
.metric p{font-size:13px;color:var(--muted);line-height:1.6;}

/* ============================================================
   CLIENT WALL
   ============================================================ */
.clients{background:var(--bg);padding:60px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{text-align:center;max-width:640px;margin:0 auto 40px;}
.sec-head .eyebrow{color:var(--teal-d);font-weight:700;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:10px;}
.sec-head h2{font-size:clamp(24px,3vw,34px);}
.sec-head p{color:var(--muted);margin-top:12px;font-size:15px;}
.client-group{margin-bottom:26px;}
.client-group h3{text-align:center;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:16px;}
.client-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.client-badge{display:flex;align-items:center;justify-content:center;min-width:132px;padding:15px 26px;
  background:#fff;border:1px solid var(--line);border-radius:10px;
  font-size:16.5px;font-weight:800;letter-spacing:.03em;color:#8296a8;filter:grayscale(1);transition:.25s;}
.client-badge:hover{filter:none;color:var(--navy);border-color:var(--navy-3);box-shadow:var(--shadow);}

/* ============================================================
   SOLUTIONS MATRIX
   ============================================================ */
.solutions{padding:88px 0;}
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.sol-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.28s;
  display:flex;flex-direction:column;}
.sol-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent;}
.sol-card .pic{position:relative;height:190px;overflow:hidden;background:var(--navy);}
.sol-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.sol-card:hover .pic img{transform:scale(1.07);}
.sol-card .pic::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,37,64,.05),rgba(10,37,64,.55));}
.sol-card .pic .chip{position:absolute;z-index:3;left:16px;bottom:14px;background:rgba(255,255,255,.94);color:var(--navy);
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:5px 12px;border-radius:20px;}
.sol-card .body{padding:24px 26px 26px;flex:1;display:flex;flex-direction:column;}
.sol-card h3{font-size:19px;margin-bottom:10px;}
.sol-card p{font-size:14px;color:var(--muted);flex:1;line-height:1.7;}
.sol-card .link{margin-top:16px;color:var(--teal-d);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:7px;}
.sol-card .link::after{content:"→";transition:.2s;}
.sol-card .link:hover::after{transform:translateX(4px);}

/* ============================================================
   EQUIPMENT TABS
   ============================================================ */
.equipment{background:var(--bg);padding:88px 0;}
.tab-bar{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:40px;}
.tab-bar button{padding:12px 22px;border-radius:9px;border:1px solid var(--line);background:#fff;
  font:600 14px/1 'Inter',sans-serif;color:var(--muted);cursor:pointer;transition:.22s;display:flex;align-items:center;gap:8px;}
.tab-bar button svg{width:17px;height:17px;fill:currentColor;opacity:.7;}
.tab-bar button:hover{color:var(--navy);border-color:var(--navy-3);}
.tab-bar button.active{background:var(--navy);color:#fff;border-color:var(--navy);box-shadow:0 8px 20px rgba(10,37,64,.25);}
.tab-panel{display:none;animation:fadeUp .4s ease;}
.tab-panel.active{display:block;}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}
.eq-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.eq-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px;transition:.25s;
  display:flex;flex-direction:column;position:relative;}
.eq-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.eq-card .pat{position:absolute;top:16px;right:16px;background:var(--bg);color:var(--teal-d);font-size:10.5px;
  font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:4px 10px;border-radius:20px;border:1px solid var(--line);}
.eq-card h4{font-size:16.5px;margin-bottom:10px;padding-right:70px;}
.eq-card ul{margin-bottom:18px;flex:1;}
.eq-card ul li{position:relative;padding-left:20px;font-size:13.5px;color:var(--muted);margin-bottom:7px;line-height:1.6;}
.eq-card ul li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:3px;
  background:var(--teal);opacity:.85;transform:rotate(45deg);}
.eq-card .cta{align-self:flex-start;}

/* ============================================================
   WHY BULK PRO (pain points, dark)
   ============================================================ */
.why{background:linear-gradient(150deg,var(--navy) 0%,var(--navy-2) 60%,#08304f 100%);padding:88px 0;position:relative;overflow:hidden;}
.why::after{content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,184,148,.18),transparent 65%);}
.why .sec-head h2,.why .sec-head p{color:#fff;}
.why .sec-head p{color:#a9bccd;}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2;}
.why-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:14px;
  padding:30px 26px;transition:.25s;backdrop-filter:blur(4px);}
.why-card:hover{background:rgba(0,184,148,.12);border-color:rgba(0,184,148,.5);transform:translateY(-6px);}
.why-card .ico{width:52px;height:52px;border-radius:12px;background:rgba(0,184,148,.16);display:flex;
  align-items:center;justify-content:center;margin-bottom:18px;}
.why-card .ico svg{width:26px;height:26px;fill:var(--teal);}
.why-card h3{color:#fff;font-size:16.5px;margin-bottom:10px;}
.why-card p{color:#a9bccd;font-size:13.5px;line-height:1.7;}
.why-split{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;margin-top:64px;align-items:center;position:relative;z-index:2;}
.why-split .pic{border-radius:16px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.4);position:relative;height:340px;}
.why-split .pic img{width:100%;height:100%;object-fit:cover;}
.why-split .txt h3{color:#fff;font-size:24px;margin-bottom:14px;}
.why-split .txt p{color:#a9bccd;font-size:14.5px;margin-bottom:18px;line-height:1.8;}
.why-split .txt .feats li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.09);}
.why-split .txt .feats li:last-child{border:0;}
.why-split .txt .feats svg{width:19px;height:19px;fill:var(--teal);flex-shrink:0;margin-top:3px;}
.why-split .txt .feats b{color:#fff;font-weight:600;font-size:14.5px;display:block;}
.why-split .txt .feats small{color:#8ea3b8;font-size:12.5px;}

/* ============================================================
   KNOWLEDGE HUB
   ============================================================ */
.knowledge{padding:88px 0;}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-bottom:60px;}
.guide-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.26s;display:flex;flex-direction:column;}
.guide-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.guide-card .pic{height:170px;overflow:hidden;position:relative;}
.guide-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.guide-card:hover .pic img{transform:scale(1.06);}
.guide-card .pic .tagx{position:absolute;top:14px;left:14px;background:var(--navy);color:#fff;font-size:10.5px;
  font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:5px 11px;border-radius:20px;}
.guide-card .body{padding:22px 24px 24px;flex:1;display:flex;flex-direction:column;}
.guide-card .meta{font-size:12px;color:var(--muted);font-weight:500;margin-bottom:10px;display:flex;gap:14px;}
.guide-card h3{font-size:16.5px;line-height:1.45;margin-bottom:12px;}
.guide-card p{font-size:13.5px;color:var(--muted);flex:1;}
.guide-card .link{margin-top:16px;color:var(--teal-d);font-weight:700;font-size:13.5px;}
/* FAQ accordion */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden;transition:.2s;}
.faq-item.open{border-color:rgba(0,184,148,.45);box-shadow:var(--shadow);}
.faq-q{display:flex;align-items:center;gap:16px;justify-content:space-between;width:100%;text-align:left;
  background:none;border:0;cursor:pointer;padding:20px 24px;font:700 15.5px/1.45 'Inter',sans-serif;color:var(--navy);}
.faq-q .qn{color:var(--teal-d);font-size:13px;font-weight:800;flex-shrink:0;}
.faq-q .chev{width:12px;height:12px;border-right:2.5px solid var(--muted);border-bottom:2.5px solid var(--muted);
  transform:rotate(45deg);transition:.25s;flex-shrink:0;margin-left:12px;}
.faq-item.open .chev{transform:rotate(-135deg);border-color:var(--teal-d);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 24px 22px 58px;color:var(--muted);font-size:14.5px;line-height:1.8;}

/* ============================================================
   RFQ FORM
   ============================================================ */
.rfq{background:var(--bg);padding:88px 0;border-top:1px solid var(--line);}
.rfq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start;}
.rfq-info{position:sticky;top:100px;}
.rfq-info .info-card{background:var(--navy);border-radius:16px;padding:34px 30px;color:#b9c8d9;box-shadow:var(--shadow-lg);}
.rfq-info h3{color:#fff;font-size:21px;margin-bottom:8px;}
.rfq-info .resp{color:var(--teal);font-size:13px;font-weight:700;letter-spacing:.06em;margin-bottom:22px;}
.rfq-info .row{display:flex;gap:14px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.1);align-items:flex-start;}
.rfq-info .row:last-of-type{border:0;}
.rfq-info .row .ico{width:38px;height:38px;border-radius:9px;background:rgba(0,184,148,.15);display:flex;
  align-items:center;justify-content:center;flex-shrink:0;}
.rfq-info .row .ico svg{width:19px;height:19px;fill:var(--teal);}
.rfq-info .row b{color:#fff;font-size:13.5px;display:block;font-weight:600;}
.rfq-info .row span{font-size:13px;color:#93a8bd;line-height:1.5;display:block;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:38px;box-shadow:var(--shadow);}
.form-card h3{font-size:22px;margin-bottom:6px;}
.form-card .fsub{color:var(--muted);font-size:14px;margin-bottom:26px;}
.f-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13px;font-weight:600;color:var(--ink);}
.field label .req{color:#e0604f;margin-left:3px;}
.field input,.field select,.field textarea{border:1.5px solid var(--line);border-radius:9px;padding:11px 14px;
  font:400 14px/1.5 'Inter',sans-serif;outline:0;transition:.2s;background:#fff;color:var(--ink);width:100%;}
.field textarea{resize:vertical;min-height:110px;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(0,184,148,.14);}
.field.err input,.field.err select,.field.err textarea{border-color:#e0604f;box-shadow:0 0 0 3px rgba(224,96,79,.12);}
.field .emsg{display:none;font-size:12px;color:#e0604f;font-weight:500;}
.field.err .emsg{display:block;}
.scope-box{border:1.5px solid var(--line);border-radius:10px;padding:16px 18px;display:grid;
  grid-template-columns:repeat(2,1fr);gap:10px 18px;background:#fdfdfe;}
.scope-box label.chk{display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:500;color:var(--ink);cursor:pointer;}
.scope-box input[type=checkbox]{accent-color:var(--teal);width:16px;height:16px;cursor:pointer;}
.form-actions{margin-top:24px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.form-note{font-size:12px;color:var(--muted);line-height:1.6;}
.form-success{display:none;background:rgba(0,184,148,.08);border:1.5px solid rgba(0,184,148,.4);color:var(--teal-d);
  border-radius:10px;padding:16px 20px;font-size:14px;font-weight:600;margin-top:20px;}

/* ============================================================
   FOOTER
   ============================================================ */
footer{background:var(--navy);color:#93a8bd;padding:56px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;}
.foot-grid h4{color:#fff;font-size:14px;margin-bottom:16px;font-weight:700;letter-spacing:.04em;}
.foot-grid p,.foot-grid a{font-size:13px;line-height:1.9;color:#93a8bd;}
.foot-grid a:hover{color:var(--teal);}
.foot-grid ul li{margin-bottom:6px;}
.foot-brand .brand-txt b{color:#fff;}
.foot-brand .brand-txt small{color:#7d94ab;}
.foot-brand p{margin-top:14px;max-width:300px;}
.foot-bar{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:12.5px;color:#7d94ab;}

/* Reveal animation */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease;}
[data-reveal].in{opacity:1;transform:none;}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:1100px){
  .brand-txt small{display:none;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .why-grid{grid-template-columns:repeat(2,1fr);}
  .sol-grid,.eq-grid,.guide-grid{grid-template-columns:repeat(2,1fr);}
  .rfq-grid{grid-template-columns:1fr;}
  .rfq-info{position:static;}
  .foot-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:900px){
  .main-nav,.nav-right .lang{display:none;}
  .hamburger{display:flex;}
  .nav-right .btn{padding:11px 18px;font-size:13.5px;}
}
@media(max-width:768px){
  .hero{min-height:auto;padding:120px 0 70px;}
  .sol-grid,.eq-grid,.guide-grid,.metrics-grid,.why-grid{grid-template-columns:1fr;}
  .why-split{grid-template-columns:1fr;}
  .why-split .pic{height:230px;}
  .f-grid{grid-template-columns:1fr;}
  .scope-box{grid-template-columns:1fr;}
  .form-card{padding:26px 22px;}
  .tab-bar{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;padding-bottom:8px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;}
  .tab-bar::-webkit-scrollbar{display:none;}
  .foot-grid{grid-template-columns:1fr;}
  .scroll-cue{display:none;}
}

/* ============================================================
   Shared detail-page components (Solutions & Products pages)
   ============================================================ */

/* ---------- Page hero (compact subpage banner) ---------- */
.page-hero{position:relative;min-height:430px;display:flex;align-items:flex-end;overflow:hidden;background:var(--navy);padding-top:66px;}
.page-hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 58%;opacity:.62;}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,37,64,.5) 0%,rgba(10,37,64,.72) 45%,rgba(10,37,64,.93) 88%,#0A2540 100%);}
.page-hero .container{position:relative;z-index:2;padding:64px 0 0;width:var(--maxw);}
.page-hero .kicker{color:var(--teal);}
.page-hero h1{color:#fff;font-size:clamp(26px,3.6vw,42px);max-width:820px;margin:10px 0 14px;text-shadow:0 2px 18px rgba(0,0,0,.35);}
.page-hero .sub{color:rgba(255,255,255,.82);max-width:720px;font-size:16.5px;}
.page-hero .cta-row{margin:22px 0 30px;}

/* ---------- Breadcrumb ---------- */
.crumbs{background:#fff;border-bottom:1px solid var(--line);}
.crumbs .container{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:14px 0;font-size:13px;color:var(--muted);}
.crumbs a{color:var(--muted);font-weight:500;}
.crumbs a:hover{color:var(--teal-d);}
.crumbs .sep{color:#c3ced9;}
.crumbs .cur{color:var(--navy);font-weight:600;}

/* ---------- Process flow steps ---------- */
.flow{background:#fff;padding:84px 0;}
.flow-steps{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;counter-reset:step;}
.fstep{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:22px 16px;position:relative;transition:.25s;}
.fstep:hover{border-color:var(--teal);transform:translateY(-4px);box-shadow:var(--shadow);}
.fstep::before{counter-increment:step;content:"0" counter(step);font-size:12px;font-weight:800;color:var(--teal);letter-spacing:.08em;display:block;margin-bottom:8px;}
.fstep h4{font-size:14.5px;margin-bottom:6px;}
.fstep p{font-size:12.5px;color:var(--muted);line-height:1.55;}

/* ---------- Spec table ---------- */
.spec-section{padding:84px 0;background:linear-gradient(180deg,var(--bg) 0%,#fff 30%,#fff 70%,var(--bg) 100%);}
.spec-section .spec-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:start;}
.spec-section .spec-card{max-width:none;border-radius:16px;}
.spec-section .spec-card h3{position:relative;padding:20px 28px 20px 34px;font-size:16.5px;letter-spacing:.01em;}
.spec-section .spec-card h3::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--teal);}
.spec-card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;}
.spec-card h3{padding:18px 26px;background:linear-gradient(90deg,var(--navy) 0%,#0d3a5e 100%);color:#fff;font-size:16px;letter-spacing:.01em;}
.spec-table{width:100%;border-collapse:collapse;font-size:14.5px;}
.spec-table th,.spec-table td{padding:14px 28px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.6;}
.spec-table th{width:30%;color:#7d94ab;font-weight:600;font-size:12px;letter-spacing:.06em;text-transform:uppercase;padding-top:17px;}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0;}
.spec-table td{color:var(--ink);font-weight:600;font-size:14px;}
.spec-table tr{transition:background .2s;}
.spec-table tbody tr:hover,.spec-table tr:hover{background:rgba(0,184,148,.05);}
.spec-side{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:var(--shadow);position:sticky;top:104px;border-top:4px solid var(--teal);}
.spec-side h4{font-size:15px;margin-bottom:14px;}
.spec-side .pic{border-radius:10px;overflow:hidden;margin-bottom:16px;}
.spec-side .pic img{width:100%;height:210px;object-fit:cover;}
.spec-side ul{margin-top:14px;}
.spec-side ul li{position:relative;padding:7px 0 7px 26px;font-size:13.5px;color:var(--muted);}
.spec-side ul li::before{content:"";position:absolute;left:2px;top:13px;width:8px;height:8px;border-radius:2px;background:var(--teal);}

/* ---------- Feature grid (detail pages) ---------- */
.feature-section{padding:84px 0;background:#fff;}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feat-card{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:26px;transition:.25s;}
.feat-card:hover{border-color:var(--teal);transform:translateY(-4px);box-shadow:var(--shadow);}
.feat-card .ico{width:46px;height:46px;border-radius:10px;background:rgba(0,184,148,.12);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.feat-card .ico svg{width:24px;height:24px;fill:var(--teal-d);}
.feat-card h3{font-size:16px;margin-bottom:8px;}
.feat-card p{font-size:13.5px;color:var(--muted);}

/* ---------- Highlights band (dark, numbered) ---------- */
.hband{background:linear-gradient(150deg,var(--navy) 0%,var(--navy-2) 60%,#08304f 100%);padding:84px 0;}
.hband .sec-head h2{color:#fff;}
.hband .sec-head p,.hband .sec-head .eyebrow{color:rgba(255,255,255,.75);}
.hband .eyebrow::after{background:var(--teal);}
.hl-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.hl-item{display:flex;gap:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:26px;}
.hl-item .num{flex-shrink:0;font-size:30px;font-weight:800;color:var(--teal);line-height:1;}
.hl-item h4{color:#fff;font-size:16px;margin-bottom:6px;}
.hl-item p{color:rgba(255,255,255,.72);font-size:13.5px;}

/* ---------- Related pages ---------- */
.related{padding:84px 0;background:var(--bg);}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.26s;display:block;}
.rel-card:hover{border-color:var(--teal);transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.rel-card .pic{position:relative;height:170px;overflow:hidden;}
.rel-card .pic img{width:100%;height:100%;object-fit:cover;transition:.4s;}
.rel-card:hover .pic img{transform:scale(1.06);}
.rel-card .body{padding:20px 22px;}
.rel-card h4{font-size:15.5px;margin-bottom:6px;}
.rel-card p{font-size:13px;color:var(--muted);}

/* ---------- Body prose blocks ---------- */
.dprose{padding:84px 0;background:#fff;}
.dprose .split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.dprose .split .pic{border-radius:14px;overflow:hidden;box-shadow:var(--shadow-lg);}
.dprose .split .pic img{width:100%;display:block;}
.dprose h2{margin-bottom:18px;}
.dprose p{margin-bottom:14px;color:var(--muted);font-size:15.5px;}
.dprose .ticks{margin-top:18px;}
.dprose .ticks li{position:relative;padding:8px 0 8px 30px;color:var(--ink);font-weight:500;font-size:14.5px;}
.dprose .ticks li::before{content:"";position:absolute;left:0;top:14px;width:17px;height:17px;border-radius:50%;background:rgba(0,184,148,.14);}
.dprose .ticks li::after{content:"";position:absolute;left:5.5px;top:19px;width:5px;height:9px;border-right:2.5px solid var(--teal);border-bottom:2.5px solid var(--teal);transform:rotate(45deg);}

/* ---------- Responsive for detail components ---------- */
@media (max-width:1020px){
  .flow-steps{grid-template-columns:repeat(3,1fr);}
  .spec-wrap{grid-template-columns:1fr;}
  .feat-grid{grid-template-columns:repeat(2,1fr);}
  .hl-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .dprose .split{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .flow-steps{grid-template-columns:repeat(2,1fr);}
  .feat-grid,.rel-grid{grid-template-columns:1fr;}
  .page-hero{min-height:320px;}
}

/* ---------- Active nav state (detail pages) ---------- */
.main-nav>ul>li.active>a{color:var(--teal-d);}
.main-nav>ul>li.active>a::after{content:"";display:block;height:2.5px;border-radius:2px;margin:2px 13px 0;
  background:linear-gradient(90deg,var(--teal),rgba(0,184,148,.25));}

/* ============================================================
   WhatsApp floating CTA
   ============================================================ */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:900;display:flex;align-items:center;gap:10px;
  background:#25D366;color:#fff;text-decoration:none;font-weight:600;font-size:14px;
  padding:12px 18px 12px 14px;border-radius:999px;box-shadow:0 10px 30px rgba(37,211,102,.45);
  transition:.25s;max-width:56px;overflow:hidden;white-space:nowrap;}
.wa-float svg{width:24px;height:24px;flex-shrink:0;}
.wa-float span{opacity:0;transform:translateX(6px);transition:.25s;}
.wa-float:hover{max-width:280px;background:#1ebe59;}
.wa-float:hover span{opacity:1;transform:none;}
@media (max-width:640px){.wa-float span{display:none}.wa-float{padding:12px;}}

/* ============================================================
   Case studies components
   ============================================================ */
.cs-list{padding:84px 0;background:#fff;}
.cs-card{display:grid;grid-template-columns:340px 1fr;background:#fff;border:1px solid var(--line);
  border-radius:14px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:28px;transition:.26s;}
.cs-card:hover{border-color:var(--teal);transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.cs-card .pic{position:relative;overflow:hidden;min-height:230px;}
.cs-card .pic img{width:100%;height:100%;object-fit:cover;transition:.4s;}
.cs-card:hover .pic img{transform:scale(1.05);}
.cs-card .pic .chip{position:absolute;top:14px;left:14px;}
.cs-card .body{padding:26px 30px;}
.cs-card .meta{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);margin-bottom:10px;}
.cs-card .meta b{color:var(--teal-d);font-weight:700;}
.cs-card h3{font-size:18px;margin-bottom:10px;}
.cs-card p{font-size:14px;color:var(--muted);margin-bottom:14px;}
.cs-kpis{display:flex;gap:22px;flex-wrap:wrap;}
.cs-kpi{text-align:left;}
.cs-kpi b{display:block;font-size:21px;color:var(--navy);font-weight:800;}
.cs-kpi span{font-size:12px;color:var(--muted);}
@media (max-width:860px){.cs-card{grid-template-columns:1fr;}.cs-card .pic{min-height:190px;}}

/* Case detail */
.case-section{padding:70px 0;}
.case-section.alt{background:var(--bg);}
.cs-challenge{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cs-pain{background:#fff;border:1px solid var(--line);border-left:4px solid #d64550;border-radius:10px;padding:22px;}
.cs-pain h4{font-size:15px;margin-bottom:8px;color:var(--navy);}
.cs-pain p{font-size:13.5px;color:var(--muted);}
.cs-result{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.cs-res{background:#fff;border:1px solid var(--line);border-top:4px solid var(--teal);border-radius:10px;padding:22px 18px;text-align:center;}
.cs-res b{display:block;font-size:26px;font-weight:800;color:var(--teal-d);line-height:1.15;}
.cs-res span{font-size:12.5px;color:var(--muted);display:block;margin-top:6px;}
.quote-block{background:#fff;border:1px solid var(--line);border-radius:14px;padding:34px 40px;box-shadow:var(--shadow);position:relative;}
.quote-block::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:4px 0 0 4px;background:var(--teal);}
.quote-block p{font-size:17px;line-height:1.7;color:var(--ink);font-style:italic;}
.quote-block .who{margin-top:18px;font-style:normal;font-size:13.5px;color:var(--muted);font-weight:600;}
.quote-block .who b{color:var(--navy);}
@media (max-width:900px){.cs-challenge{grid-template-columns:1fr;}.cs-result{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.cs-result{grid-template-columns:1fr;}}

/* ============================================================
   Knowledge Hub article layout
   ============================================================ */
.article-hero{padding:64px 0 8px;background:#fff;}
.article-hero .container{width:var(--maxw);}
.article-hero .kicker{color:var(--teal-d);font-weight:700;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px;display:block;}
.article-hero h1{font-size:clamp(24px,3.4vw,36px);max-width:860px;margin-bottom:14px;}
.article-hero .ameta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:26px;}
.article-hero .ameta b{color:var(--navy);}
.article-hero .cover{border-radius:14px;overflow:hidden;box-shadow:var(--shadow-lg);max-height:420px;}
.article-hero .cover img{width:100%;height:420px;object-fit:cover;display:block;}
.article-body{padding:56px 0;background:#fff;}
.article-body .prose{max-width:760px;margin:0 auto;font-size:16px;line-height:1.75;color:#33475b;}
.prose h2{font-size:23px;margin:38px 0 14px;color:var(--navy);}
.prose h3{font-size:17.5px;margin:28px 0 10px;color:var(--navy);}
.prose p{margin-bottom:15px;}
.prose ul{margin:6px 0 18px 22px;}
.prose li{margin-bottom:8px;}
.prose table{width:100%;border-collapse:collapse;font-size:14px;margin:18px 0 24px;background:#fff;border-radius:10px;overflow:hidden;box-shadow:var(--shadow);}
.prose th{background:var(--navy);color:#fff;text-align:left;padding:11px 16px;font-weight:600;}
.prose td{padding:11px 16px;border-bottom:1px solid var(--line);color:var(--ink);}
.prose .callout{background:rgba(0,184,148,.08);border:1px solid rgba(0,184,148,.35);border-radius:10px;padding:18px 22px;margin:22px 0;font-size:14.5px;}
.prose .callout b{color:var(--teal-d);}
.article-cta{max-width:760px;margin:44px auto 0;background:linear-gradient(140deg,var(--navy) 0%,var(--navy-2) 100%);border-radius:14px;padding:34px;color:#fff;}

/* ============================================================
   Factory showcase (Hefei 77-acre manufacturing hub)
   ============================================================ */
.factory-showcase{padding:84px 0;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);}
.factory-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:34px;}
.fac-card{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);background:#fff;}
.fac-card img{width:100%;height:300px;object-fit:cover;display:block;transition:transform .5s ease;}
.fac-card:hover img{transform:scale(1.04);}
.fac-card figcaption{position:absolute;left:0;right:0;bottom:0;padding:18px 20px;color:#fff;
  background:linear-gradient(180deg,rgba(10,37,64,0) 0%,rgba(10,37,64,.86) 100%);}
.fac-card figcaption b{display:block;font-size:16px;margin-bottom:3px;}
.fac-card figcaption span{font-size:13px;opacity:.92;line-height:1.4;}
.fac-wide{grid-column:1 / -1;}
.fac-wide img{height:380px;}
.fac-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:28px;}
.fac-stats li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 18px;text-align:center;box-shadow:var(--shadow);}
.fac-stats b{display:block;font-size:22px;color:var(--navy);font-weight:800;}
.fac-stats span{font-size:13px;color:var(--muted);}

/* ============================================================
   Spec download modal (Lead Magnet)
   ============================================================ */
.spec-modal{position:fixed;inset:0;background:rgba(10,37,64,.62);display:none;align-items:center;justify-content:center;
  padding:20px;z-index:1000;opacity:0;transition:opacity .25s ease;}
.spec-modal.open{display:flex;opacity:1;}
.spec-card{position:relative;width:100%;max-width:460px;background:#fff;border-radius:18px;padding:34px 30px 30px;
  box-shadow:var(--shadow-lg);transform:translateY(12px);transition:transform .25s ease;}
.spec-modal.open .spec-card{transform:translateY(0);}
.spec-x{position:absolute;top:12px;right:14px;width:34px;height:34px;border:0;background:var(--bg);color:var(--navy);
  font-size:22px;line-height:1;border-radius:50%;cursor:pointer;transition:.2s;}
.spec-x:hover{background:var(--line);}
.spec-card .eyebrow{color:var(--teal-d);font-weight:700;font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:6px;}
.spec-modal .spec-card h3{font-size:22px;color:var(--navy);margin-bottom:8px;padding:0;background:none;}
.spec-sub{font-size:13.5px;color:var(--muted);line-height:1.55;margin-bottom:20px;}
.spec-form .field{margin-bottom:14px;}
.spec-form .field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.spec-form .field .req{color:var(--cta-d);}
.spec-form .field input,.spec-form .field select{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:10px;
  font-size:14px;color:var(--ink);background:#fff;transition:.2s;}
.spec-form .field input:focus,.spec-form .field select:focus{outline:none;border-color:var(--teal);}
.spec-form .field.err input,.spec-form .field.err select{border-color:#e23b3b;background:#fff5f5;}
.spec-form .emsg{display:none;color:#e23b3b;font-size:12px;margin-top:4px;}
.spec-form .field.err .emsg{display:block;}
.btn-block{width:100%;justify-content:center;margin-top:4px;}
.spec-note{font-size:12px;color:var(--muted);text-align:center;margin-top:12px;line-height:1.5;}
.spec-thanks{background:rgba(0,184,148,.10);border:1px solid rgba(0,184,148,.4);border-radius:12px;padding:16px 18px;
  color:var(--teal-d);font-weight:600;font-size:14px;text-align:center;line-height:1.5;}

/* ============================================================
   Mobile bottom sticky bar (WhatsApp + Fast Quote)
   ============================================================ */
.mb-sticky{display:none;}
@media (max-width:767px){
  .wa-float{display:none;}
  .mb-sticky{position:fixed;left:0;right:0;bottom:0;z-index:900;display:flex;gap:10px;
    padding:9px 12px calc(9px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -8px 24px rgba(10,37,64,.12);}
  .mb-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:7px;padding:12px 8px;border-radius:11px;
    font-size:14px;font-weight:700;text-decoration:none;color:#fff;}
  .mb-btn svg{width:19px;height:19px;fill:currentColor;}
  .mb-wa{background:#25D366;}
  .mb-quote{background:linear-gradient(135deg,var(--cta) 0%,var(--cta-d) 100%);}
  .mb-btn:active{transform:scale(.97);}
}
.article-cta h3{color:#fff;font-size:19px;margin-bottom:10px;}
.article-cta p{color:rgba(255,255,255,.78);font-size:14.5px;margin-bottom:18px;}

/* Hub list (knowledge / cases) */
.hub-list{padding:70px 0 84px;background:#fff;}
.guide-card .pic{height:170px;overflow:hidden;}
.guide-card .pic img{width:100%;height:100%;object-fit:cover;transition:.4s;}
.guide-card:hover .pic img{transform:scale(1.05);}
.guide-card .gmeta{font-size:12px;color:var(--muted);margin-bottom:6px;display:block;}

/* ============================================================
   Live Line Operations & 3D Process (video module)
   ============================================================ */
.line-video{padding:84px 0;background:linear-gradient(180deg,var(--bg) 0%,#fff 100%);}
.line-video .sec-head{max-width:720px;}
.video-wrap{max-width:960px;margin:0 auto;}
.video-note{margin-top:12px;text-align:center;font-size:13px;color:#5b6b7b;}
.video-frame{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:16/9;background:var(--navy);}
.video-frame iframe,.video-frame video{position:absolute;inset:0;width:100%;height:100%;border:0;display:block;object-fit:cover;}
@media (max-width:640px){
  .line-video{padding:60px 0;}
  .video-note{font-size:12px;}
}

/* ============================================================
   Related line-solution card (article footer)
   ============================================================ */
.rel-card{display:block;}
.rel-card .rel-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:linear-gradient(140deg,var(--navy) 0%,var(--navy-2) 100%);border-radius:14px;padding:28px 32px;color:#fff;
  box-shadow:var(--shadow);}
.rel-card .rel-txt{flex:1;min-width:260px;}
.rel-card .rel-eyebrow{display:inline-block;color:var(--teal);font-weight:700;font-size:11.5px;letter-spacing:.14em;
  text-transform:uppercase;margin-bottom:10px;}
.rel-card .rel-txt h3{color:#fff;font-size:19px;margin-bottom:8px;}
.rel-card .rel-txt p{color:rgba(255,255,255,.78);font-size:14px;margin:0;max-width:620px;}
.rel-card .rel-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}
.rel-card .rel-actions .btn-outline-navy{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.rel-card .rel-actions .btn-outline-navy:hover{border-color:var(--teal);color:var(--teal);}
@media (max-width:640px){
  .rel-card .rel-inner{flex-direction:column;align-items:flex-start;padding:24px;}
  .rel-card .rel-actions{width:100%;}
}

/* ============================================================
   Engineering Cases showcase (from company intro PDF)
   ============================================================ */
.cases-showcase{padding:84px 0;background:#fff;}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px;}
.case-card{display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--line);border-radius:16px;
  padding:24px 22px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;text-decoration:none;}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--teal);}
.case-tag{display:inline-block;align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:4px 10px;border-radius:999px;margin-bottom:14px;color:#fff;}
.tag-cathode{background:linear-gradient(135deg,#0A2540,#1a3a5f);}
.tag-anode{background:linear-gradient(135deg,#0E7C66,#00B894);}
.tag-control{background:linear-gradient(135deg,#C2410C,#F97316);}
.case-card h3{font-size:18px;color:var(--navy);margin:0 0 8px;line-height:1.3;}
.case-card p{font-size:13.5px;color:var(--muted);line-height:1.6;margin:0 0 14px;flex:1;}
.case-card p b{color:var(--teal-d);}
.case-go{font-size:13px;font-weight:700;color:var(--teal-d);margin-top:auto;}
.case-note{text-align:center;margin-top:28px;font-size:13.5px;color:var(--muted);}

/* ============================================================
   Product parameter section (products hub)
   ============================================================ */
.param-section{padding:84px 0;background:linear-gradient(180deg,var(--bg) 0%,#fff 100%);}
.param-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px;}
.param-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 22px 10px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;}
.param-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.param-card h4{font-size:16px;color:var(--navy);margin:0 0 14px;padding-bottom:10px;border-bottom:2px solid var(--teal);display:inline-block;}
.param-card .spec-table{font-size:12.5px;}
.param-card .spec-table th{font-size:11.5px;padding:7px 10px;width:42%;}
.param-card .spec-table td{font-size:12.5px;padding:7px 10px;}
.param-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:36px;}

/* ============================================================
   Responsive tweaks
   ============================================================ */
@media (max-width:980px){
  .case-grid,.param-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  .case-grid,.param-grid{grid-template-columns:1fr;}
  .cases-showcase,.param-section{padding:56px 0;}
}

/* ============================================================
   Real brand assets — logo, client logo wall, certificate wall
   ============================================================ */
.brand-logo{height:46px;width:auto;display:block;flex-shrink:0;}
.foot-brand .brand-logo{height:44px;filter:brightness(0) invert(1);opacity:.93;}
@media (max-width:900px){.brand-logo{height:40px;}}

/* ---- client logo wall ---- */
.client-logos{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:12px;}
.client-logo{display:flex;align-items:center;justify-content:center;height:92px;padding:14px 16px;
  background:#fff;border:1px solid var(--line);border-radius:10px;transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;}
.client-logo img{max-width:100%;max-height:100%;object-fit:contain;opacity:.95;
  transition:transform .3s ease,opacity .3s ease;}
.client-logo:hover{border-color:var(--teal);box-shadow:var(--shadow);transform:translateY(-3px);}
.client-logo:hover img{opacity:1;transform:scale(1.06);}
.client-note{text-align:center;font-size:12.5px;color:var(--muted);margin-top:18px;}

/* ---- certificate wall ---- */
.cert-section{padding:84px 0;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);}
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px;}
.cert-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;box-shadow:var(--shadow);padding:0;cursor:zoom-in;text-align:left;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;font:inherit;color:inherit;}
.cert-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--teal);}
.cert-card .cert-frame{position:relative;height:196px;background:#f7f9fb;display:flex;align-items:center;justify-content:center;
  padding:12px;border-bottom:1px solid var(--line);}
.cert-card .cert-frame img{max-width:100%;max-height:100%;object-fit:contain;display:block;}
.cert-card .cert-meta{padding:13px 15px 15px;}
.cert-card .cert-meta b{display:block;font-size:13.5px;color:var(--navy);line-height:1.35;}
.cert-card .cert-meta span{display:block;font-size:11.5px;color:var(--muted);margin-top:3px;letter-spacing:.02em;}
.cert-card .cert-meta em{display:inline-block;font-style:normal;font-size:10.5px;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--teal-d);margin-bottom:5px;}

/* ---- patent / copyright strip ---- */
.patent-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px;}
.patent-card{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:16px;box-shadow:var(--shadow);cursor:zoom-in;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  text-align:left;font:inherit;color:inherit;}
.patent-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--teal);}
.patent-card img{width:74px;height:96px;object-fit:cover;object-position:top center;border-radius:6px;border:1px solid var(--line);flex-shrink:0;}
.patent-card b{display:block;font-size:26px;color:var(--navy);line-height:1.1;}
.patent-card span{display:block;font-size:13px;color:var(--muted);margin-top:4px;line-height:1.45;}

/* ---- company profile download ---- */
.cert-download{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:32px;
  padding:22px 26px;background:var(--navy);border-radius:16px;color:#fff;}
.cert-download p{margin:0;font-size:14px;color:#c6d4e2;max-width:520px;}
.cert-download p b{color:#fff;display:block;font-size:15.5px;margin-bottom:2px;}

/* ---- real factory photo band ---- */
.fac-real{grid-column:1 / -1;position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);}
.fac-real img{width:100%;height:420px;object-fit:cover;display:block;}
.fac-real figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 28px;color:#fff;
  background:linear-gradient(180deg,rgba(10,37,64,0),rgba(10,37,64,.88));}
.fac-real figcaption b{display:block;font-size:18px;margin-bottom:4px;}
.fac-real figcaption span{font-size:13.5px;opacity:.92;line-height:1.5;}

/* ---- case card photo ---- */
.case-pic{position:relative;display:block;margin:0 0 14px;border-radius:10px;overflow:hidden;background:#dde5ee;}
.case-pic img{width:100%;height:152px;object-fit:cover;display:block;transition:transform .5s ease;}
.case-card:hover .case-pic img{transform:scale(1.05);}
.case-pic .case-tag{position:absolute;left:10px;top:10px;margin:0;box-shadow:0 4px 12px rgba(10,37,64,.28);}

/* ---- lightbox ---- */
.lightbox{position:fixed;inset:0;z-index:400;background:rgba(8,22,38,.92);display:none;
  align-items:center;justify-content:center;padding:40px 24px;}
.lightbox.open{display:flex;}
.lightbox img{max-width:min(92vw,1000px);max-height:86vh;border-radius:8px;background:#fff;
  box-shadow:0 30px 80px rgba(0,0,0,.5);object-fit:contain;}
.lightbox .lb-close{position:absolute;top:18px;right:22px;width:44px;height:44px;border-radius:50%;border:0;
  background:rgba(255,255,255,.14);color:#fff;font-size:24px;line-height:1;cursor:pointer;}
.lightbox .lb-close:hover{background:rgba(255,255,255,.26);}
.lightbox .lb-cap{position:absolute;bottom:22px;left:0;right:0;text-align:center;color:#c6d4e2;font-size:13px;padding:0 24px;}

@media (max-width:1020px){
  .client-logos{grid-template-columns:repeat(4,1fr);}
  .cert-grid{grid-template-columns:repeat(3,1fr);}
  .patent-strip{grid-template-columns:1fr;}
}
@media (max-width:680px){
  .client-logos{grid-template-columns:repeat(3,1fr);gap:10px;}
  .client-logo{height:74px;padding:10px;}
  .cert-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .cert-card .cert-frame{height:150px;}
  .cert-section{padding:56px 0;}
  .fac-real img{height:260px;}
  .cert-download{padding:18px;}
}

/* ---- equipment card product photos ---- */
.eq-card{overflow:hidden;}
.eq-pic{margin:-26px -26px 16px;height:150px;background:#eef2f6;position:relative;}
.eq-pic img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease;}
.eq-card:hover .eq-pic img{transform:scale(1.05);}
.eq-card .pat{z-index:2;background:#fff;}

/* ---- OEM / ODM band ---- */
.oem-band{padding:84px 0;background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 62%,#08304f 100%);position:relative;overflow:hidden;}
.oem-band::after{content:"";position:absolute;left:-160px;bottom:-180px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,184,148,.16),transparent 65%);}
.oem-band .sec-head h2{color:#fff;}
.oem-band .sec-head p{color:#a9bccd;}
.oem-band .sec-head .eyebrow{color:var(--teal);}
.oem-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;position:relative;z-index:2;align-items:start;}
.oem-list li{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);border-radius:12px;
  padding:18px 20px;margin-bottom:14px;transition:.25s;}
.oem-list li:hover{background:rgba(0,184,148,.12);border-color:rgba(0,184,148,.5);transform:translateX(6px);}
.oem-list b{display:block;color:#fff;font-size:15px;margin-bottom:5px;}
.oem-list span{color:#a9bccd;font-size:13.5px;line-height:1.65;}
.oem-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px;}
.oem-stats div{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:12px;
  padding:16px 10px;text-align:center;}
.oem-stats b{display:block;font-size:22px;color:var(--teal);}
.oem-stats span{font-size:11.5px;color:#93a8bd;line-height:1.4;display:block;margin-top:4px;}
.oem-right{background:#fff;border-radius:18px;padding:34px 32px;box-shadow:0 30px 80px rgba(0,0,0,.35);}
.oem-right h4{font-size:18px;color:var(--navy);margin-bottom:20px;}
.oem-steps{list-style:none;counter-reset:step;margin-bottom:24px;}
.oem-steps li{counter-increment:step;position:relative;padding:0 0 22px 52px;}
.oem-steps li::before{content:"0" counter(step);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;
  background:rgba(0,184,148,.12);color:var(--teal-d);font-weight:800;font-size:13px;display:flex;
  align-items:center;justify-content:center;}
.oem-steps li::after{content:"";position:absolute;left:19px;top:42px;bottom:6px;width:2px;background:var(--line);}
.oem-steps li:last-child{padding-bottom:0;}
.oem-steps li:last-child::after{display:none;}
.oem-steps b{display:block;font-size:14.5px;color:var(--ink);margin-bottom:3px;}
.oem-steps span{font-size:13px;color:var(--muted);line-height:1.55;}
@media(max-width:1020px){
  .oem-grid{grid-template-columns:1fr;}
  .oem-stats{grid-template-columns:repeat(2,1fr);}
}

/* ============================================================
   VISUAL POLISH PASS — depth, motion, micro-details
   ============================================================ */
html{scroll-behavior:smooth;}
::selection{background:rgba(0,184,148,.25);color:var(--navy);}

/* richer mega menu */
.drop.mega{box-shadow:0 40px 90px rgba(10,37,64,.22),0 8px 24px rgba(10,37,64,.10);backdrop-filter:blur(6px);}
.mm-cat{position:relative;}
.mm-cat::after{content:"";position:absolute;left:0;bottom:-2px;width:34px;height:2px;background:var(--teal);}

/* header CTA glow */
.nav-cta{box-shadow:0 8px 22px rgba(224,122,42,.35);}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(224,122,42,.45);}

/* primary button micro-motion */
.btn-primary{position:relative;overflow:hidden;}
.btn-primary::after{content:"";position:absolute;top:0;left:-80%;width:40%;height:100%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.28),transparent);
  transform:skewX(-20deg);transition:left .55s ease;}
.btn-primary:hover::after{left:130%;}

/* hero badge & scroll cue polish */
.hero .trust{backdrop-filter:blur(4px);}

/* cards: consistent elevation ramp */
.sol-card:hover,.why-card:hover,.guide-card:hover,.rel-card:hover,.cert-card:hover{box-shadow:0 24px 56px rgba(10,37,64,.14);}

/* section eyebrow: gradient accent */
.eyebrow{display:inline-flex;align-items:center;gap:10px;}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:2px;
  background:linear-gradient(90deg,var(--teal),rgba(0,184,148,.35));}

/* footer hover accents */
.foot-grid a{transition:color .2s,padding-left .2s;}
.foot-grid ul a:hover{padding-left:5px;}

/* images: subtle default treatment */
.eq-pic img,.rel-card img,.case-pic img{filter:saturate(1.02);}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
}

/* ---- three-level product nav ---- */
.mm-sub{display:flex;align-items:center;gap:8px;padding:6px 13px 6px 26px;font-size:12.5px;color:var(--muted);
  border-radius:8px;transition:.18s;position:relative;}
.mm-sub::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--teal);opacity:.55;flex-shrink:0;}
.mm-sub:hover{color:var(--teal-d);background:var(--bg);transform:translateX(3px);}
.mm-card.mm-fam{margin-bottom:5px;border-bottom:1px dashed var(--line);border-radius:10px 10px 0 0;}

.fam-link{display:inline-flex;align-items:center;gap:8px;margin-top:12px;font-size:13.5px;font-weight:700;
  color:var(--teal-d);transition:.2s;}
.fam-link:hover{color:var(--navy);transform:translateX(4px);}

.machine-section{padding:70px 0 84px;}
.mnav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px;}
.mnav-chip{display:inline-flex;align-items:center;padding:8px 16px;border:1.5px solid var(--line);border-radius:24px;
  font-size:13px;font-weight:600;color:var(--muted);background:#fff;transition:.2s;}
.mnav-chip:hover{border-color:var(--teal);color:var(--teal-d);transform:translateY(-2px);}
.machine-list{display:flex;flex-direction:column;gap:36px;}
.machine-block{display:grid;grid-template-columns:.9fr 1.1fr;gap:0;background:#fff;border:1px solid var(--line);
  border-radius:18px;overflow:hidden;box-shadow:var(--shadow);scroll-margin-top:110px;transition:box-shadow .25s;}
.machine-block:hover{box-shadow:var(--shadow-lg);}
.machine-block .mb-pic{position:relative;background:#eef2f6;min-height:320px;}
.machine-block .mb-pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.machine-block .mb-body{padding:30px 34px 28px;}
.machine-block h3{font-size:20px;color:var(--navy);margin-bottom:10px;}
.machine-block p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:18px;}
.machine-block .spec-table th{width:26%;}
.machine-block .mb-cta{display:flex;gap:14px;margin-top:20px;flex-wrap:wrap;}
@media(max-width:1020px){
  .machine-block{grid-template-columns:1fr;}
  .machine-block .mb-pic{min-height:220px;}
  .machine-block .mb-body{padding:24px;}
}