/* =========================================================
   JSB Ultrasonic — main stylesheet
   ========================================================= */

:root{
  --primary:#0a5fc4;
  --primary-dark:#073d80;
  --primary-light:#3d8bef;
  --accent:#f0ac1b;
  --accent-dark:#c98a0a;
  --navy:#0b1a33;
  --text:#28313f;
  --muted:#657186;
  --bg-soft:#f4f8fd;
  --border:#e4eaf3;
  --white:#ffffff;
  --radius:10px;
  --shadow:0 10px 30px rgba(10,50,110,.08);
  --shadow-lg:0 20px 50px rgba(10,50,110,.14);
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Segoe UI',Arial,Helvetica,sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;color:var(--navy);}
p{margin:0 0 1em;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
section{padding:70px 0;}
.section-tag{
  display:inline-block;
  color:var(--primary);
  font-weight:700;
  letter-spacing:2px;
  font-size:13px;
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-head{text-align:center;max-width:720px;margin:0 auto 46px;}
.section-head h2{font-size:32px;}
.section-head p{color:var(--muted);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 28px;
  border-radius:6px;
  font-weight:600;
  font-size:14px;
  letter-spacing:.3px;
  cursor:pointer;
  border:2px solid transparent;
  transition:.25s ease;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-accent{background:var(--accent);color:var(--navy);}
.btn-accent:hover{background:var(--accent-dark);color:#fff;}
.btn-outline{border-color:#fff;color:#fff;}
.btn-outline:hover{background:#fff;color:var(--primary);}
.btn-outline-blue{border-color:var(--primary);color:var(--primary);}
.btn-outline-blue:hover{background:var(--primary);color:#fff;}
.btn-block{width:100%;justify-content:center;}

/* ---------- Top bar ---------- */
.topbar{
  background:var(--navy);
  color:#c7d4ea;
  font-size:13px;
}
.topbar .container{
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:6px;
  padding-top:8px;padding-bottom:8px;
}
.topbar a{color:#c7d4ea;}
.topbar a:hover{color:#fff;}
.topbar-info{display:flex;gap:22px;flex-wrap:wrap;}
.topbar-info span{display:inline-flex;align-items:center;gap:6px;}
.topbar-social a{margin-left:14px;}

/* ---------- Header / Nav ---------- */
header.site-header{
  position:sticky;top:0;z-index:1000;
  background:#fff;
  box-shadow:0 2px 14px rgba(10,40,90,.08);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;
  max-width:var(--maxw);margin:0 auto;
}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--navy);font-size:22px;}
.logo .logo-mark{
  width:44px;height:44px;border-radius:8px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:900;
}
.logo small{display:block;font-size:11px;font-weight:600;letter-spacing:2px;color:var(--muted);}

nav.main-nav > ul{display:flex;gap:6px;align-items:center;}
nav.main-nav > ul > li{position:relative;}
nav.main-nav > ul > li > a{
  display:flex;align-items:center;gap:5px;
  padding:14px 16px;font-weight:600;font-size:15px;color:var(--navy);
  border-radius:6px;
}
nav.main-nav > ul > li > a:hover,
nav.main-nav > ul > li.active > a{color:var(--primary);}
nav.main-nav > ul > li > a .caret{font-size:10px;margin-top:2px;color:var(--muted);}

.dropdown{
  position:absolute;top:100%;left:0;
  background:#fff;min-width:260px;
  box-shadow:var(--shadow-lg);
  border-radius:8px;
  padding:10px;
  opacity:0;visibility:hidden;
  transform:translateY(8px);
  transition:.2s ease;
  border:1px solid var(--border);
}
nav.main-nav > ul > li:hover > .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown li a{
  display:block;padding:10px 14px;border-radius:6px;font-size:14px;color:var(--text);font-weight:500;
}
.dropdown li a:hover{background:var(--bg-soft);color:var(--primary);}

.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-cta .phone{
  display:flex;flex-direction:column;font-size:13px;color:var(--muted);
}
.nav-cta .phone strong{color:var(--navy);font-size:15px;}
.nav-toggle{
  display:none;flex-direction:column;gap:5px;
  background:none;border:none;cursor:pointer;padding:6px;
}
.nav-toggle span{width:26px;height:3px;background:var(--navy);border-radius:2px;}

/* ---------- Home image slider ---------- */
.home-slider{position:relative;width:100%;overflow:hidden;background:var(--navy);padding:2px;}
.slider-track{display:flex;transition:transform .6s ease;}
.slide{flex:0 0 100%;display:block;line-height:0;}
.slide img{width:100%;height:auto;max-height:420px;object-fit:cover;display:block;}
.slider-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:42px;height:42px;border-radius:50%;border:none;
  background:rgba(11,26,51,.55);color:#fff;font-size:22px;line-height:1;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:.2s;z-index:2;
}
.slider-arrow:hover{background:var(--primary);}
.slider-arrow.prev{left:16px;}
.slider-arrow.next{right:76px;}
.slider-dots{
  position:absolute;bottom:16px;left:50%;transform:translateX(-50%);
  display:flex;gap:8px;z-index:2;
}
.slider-dots .dot{
  width:9px;height:9px;border-radius:50%;border:none;background:rgba(255,255,255,.5);cursor:pointer;padding:0;
}
.slider-dots .dot.active{background:var(--accent);width:22px;border-radius:5px;}
@media (max-width:760px){
  .slide img{max-height:220px;}
  .slider-arrow{width:34px;height:34px;font-size:18px;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:linear-gradient(120deg,var(--navy) 0%, #0f2a54 55%, var(--primary-dark) 100%);
  color:#fff;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 85% 20%, rgba(240,172,27,.18), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(61,139,239,.25), transparent 45%);
}
.hero .container{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;
  align-items:center;
  padding-top:90px;padding-bottom:90px;
}
.hero .eyebrow{
  color:var(--accent);font-weight:700;letter-spacing:3px;font-size:13px;margin-bottom:16px;
  display:inline-block;
}
.hero h1{color:#fff;font-size:46px;line-height:1.15;margin-bottom:20px;}
.hero h1 span{color:var(--accent);}
.hero p{color:#c7d4ea;font-size:17px;max-width:520px;}
.hero-actions{display:flex;gap:16px;margin-top:30px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:34px;margin-top:46px;flex-wrap:wrap;}
.hero-stats div strong{display:block;font-size:28px;color:var(--accent);}
.hero-stats div span{font-size:13px;color:#c7d4ea;}

.hero-art{
  position:relative;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.15);
  border-radius:16px;
  padding:30px;
  backdrop-filter:blur(6px);
}
.hero-art svg{width:100%;height:auto;}

/* ---------- Breadcrumb / page banner ---------- */
.page-banner{
  background:linear-gradient(120deg,var(--navy), var(--primary-dark));
  color:#fff;padding:60px 0;text-align:center;
}
.page-banner h1{color:#fff;font-size:36px;margin-bottom:10px;}
.page-banner .crumbs{color:#b9c8e2;font-size:14px;}
.page-banner .crumbs a{color:#fff;font-weight:600;}

/* ---------- Solutions grid (home) ---------- */
.solutions-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
}
.solution-card{
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:30px 26px;
  background:#fff;
  transition:.25s ease;
  position:relative;
}
.solution-card:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-6px);
  border-color:transparent;
}
.solution-icon{
  width:56px;height:56px;border-radius:12px;
  background:var(--bg-soft);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;color:var(--primary);
}
.solution-card h3{font-size:19px;}
.solution-card p{color:var(--muted);font-size:14.5px;margin-bottom:16px;}
.solution-card .read-more{color:var(--primary);font-weight:700;font-size:13px;letter-spacing:1px;}
.solution-card .read-more:hover{color:var(--accent-dark);}

.solution-card.photo-bg{
  background-size:cover;background-position:center;
  background-blend-mode:darken;
  background-color:rgba(11,26,51,.55);
  min-height:280px;display:flex;flex-direction:column;justify-content:flex-end;
  border-color:transparent;
}
.solution-card.photo-bg::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(11,26,51,.05) 0%, rgba(11,26,51,.9) 100%);
}
.solution-card.photo-bg > *{position:relative;z-index:1;}
.solution-card.photo-bg .solution-icon{background:rgba(255,255,255,.18);color:#fff;}
.solution-card.photo-bg h3,.solution-card.photo-bg p{color:#fff;}
.solution-card.photo-bg p{color:#dbe4f2;}
.solution-card.photo-bg .read-more{color:var(--accent);}
.solution-card.photo-bg .read-more:hover{color:#fff;}

/* ---------- Home industry-solutions gallery ---------- */
.solution-gallery{margin-top:10px;}
.solution-main{
  position:relative;border-radius:16px;overflow:hidden;
  min-height:440px;background:var(--navy);color:#fff;
  display:flex;align-items:flex-end;
}
.solution-main img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.solution-main .overlay{
  position:absolute;inset:0;
  background:linear-gradient(0deg, rgba(11,26,51,.94) 0%, rgba(11,26,51,.35) 60%, rgba(11,26,51,.1) 100%);
}
.solution-main .icon-fallback{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary-dark),var(--navy));color:rgba(255,255,255,.22);
}
.solution-main-content{position:relative;z-index:1;padding:44px;max-width:680px;}
.solution-main-content .section-tag{letter-spacing:2px;}
.solution-main-content h3{color:#fff;font-size:28px;margin:8px 0 12px;}
.solution-main-content p{color:#dbe4f2;margin-bottom:18px;font-size:15.5px;}
.solution-main-content .more{color:var(--accent);font-weight:700;font-size:13px;letter-spacing:1px;}
.solution-main-content .more:hover{color:#fff;}

.solution-thumbs{display:flex;gap:10px;margin-top:20px;overflow-x:auto;padding:2px 2px 8px;}
.solution-thumb{
  flex:1 0 108px;min-width:108px;text-align:center;padding:14px 8px;border-radius:10px;
  border:1px solid var(--border);cursor:pointer;background:#fff;transition:.2s;font-family:inherit;
}
.solution-thumb:hover{border-color:var(--primary);}
.solution-thumb.active{border-color:var(--primary);background:var(--bg-soft);}
.solution-thumb .thumb-icon{width:30px;height:30px;margin:0 auto 8px;color:var(--primary);display:block;}
.solution-thumb span{font-size:12.5px;font-weight:700;color:var(--navy);}

.chip-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:40px;}
.chip{
  padding:9px 20px;border-radius:30px;border:1px solid var(--border);
  font-size:13.5px;font-weight:600;color:var(--muted);
}
.chip.active,.chip:hover{background:var(--primary);border-color:var(--primary);color:#fff;}

/* ---------- Why choose us ---------- */
.why-strip{
  background:var(--navy);
  color:#fff;
}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center;}
.why-grid strong{display:block;font-size:36px;color:var(--accent);}
.why-grid span{font-size:13.5px;color:#b9c8e2;letter-spacing:.5px;}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;text-align:center;
}
.feature-card .solution-icon{margin:0 auto 16px;}
.feature-card h4{font-size:16.5px;}
.feature-card p{font-size:13.5px;color:var(--muted);margin:0;}

/* ---------- Products ---------- */
.product-tabs{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:44px;}
.product-tabs button{
  padding:10px 22px;border-radius:30px;border:1px solid var(--border);
  background:#fff;font-weight:600;font-size:14px;cursor:pointer;color:var(--muted);
  transition:.2s;
}
.product-tabs button.active,.product-tabs button:hover{background:var(--primary);border-color:var(--primary);color:#fff;}

.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.product-card{
  border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;background:#fff;transition:.25s;
}
.product-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px);}
.product-thumb{
  aspect-ratio:4/3;background:linear-gradient(135deg,var(--bg-soft),#e7effb);
  display:flex;align-items:center;justify-content:center;color:var(--primary);position:relative;
}
.product-thumb span.badge{
  position:absolute;top:12px;left:12px;background:var(--accent);color:var(--navy);
  font-size:11px;font-weight:800;padding:4px 10px;border-radius:20px;letter-spacing:.5px;
  z-index:2;
}
.product-thumb-photo{padding:0;overflow:hidden;background:#fff;}
.product-thumb-photo img{width:100%;height:100%;object-fit:cover;object-position:top center;}
.product-body{padding:20px 22px;}
.product-body h3{font-size:16.5px;margin-bottom:6px;}
.product-body .spec{color:var(--muted);font-size:13px;margin-bottom:14px;}
.product-body .row{display:flex;justify-content:space-between;align-items:center;}
.product-body .price{color:var(--primary);font-weight:700;font-size:14px;}
.whatsapp-btn{display:inline-flex;align-items:center;gap:5px;color:#25D366;font-weight:700;font-size:13.5px;text-decoration:none;}
.whatsapp-btn:hover{text-decoration:underline;}
.product-body a.link{font-weight:700;font-size:13px;color:var(--navy);}
.product-body a.link:hover{color:var(--primary);}

.category-strip{
  display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-bottom:50px;
}
.category-strip a{
  border:1px solid var(--border);border-radius:var(--radius);padding:22px 16px;text-align:center;background:#fff;
}
.category-strip a:hover{border-color:var(--primary);box-shadow:var(--shadow);}
.category-strip a.active-cat{border-color:var(--primary);background:var(--bg-soft);box-shadow:var(--shadow);}
.category-strip a.active-cat strong{color:var(--primary);}
.category-strip .solution-icon{margin:0 auto 12px;}
.category-strip strong{font-size:14px;display:block;color:var(--navy);}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;}
.about-art{
  border-radius:16px;overflow:hidden;
  background:linear-gradient(135deg,var(--bg-soft),#e7effb);
  border:1px solid var(--border);padding:36px;
}
.about-copy .section-tag{margin-bottom:6px;}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px;}
.timeline .tl-item{border-left:3px solid var(--primary);padding-left:16px;}
.timeline .tl-item strong{display:block;font-size:22px;color:var(--navy);}

/* ---------- Cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.case-card{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff;}
.case-top{padding:22px 24px 0;}
.case-tag{
  display:inline-block;background:var(--bg-soft);color:var(--primary);
  font-size:11.5px;font-weight:800;letter-spacing:1px;padding:4px 12px;border-radius:20px;margin-bottom:14px;
}
.case-card p{font-size:14px;color:var(--muted);min-height:70px;}
.case-metrics{display:flex;border-top:1px solid var(--border);}
.case-metrics div{flex:1;padding:16px;text-align:center;border-right:1px solid var(--border);}
.case-metrics div:last-child{border-right:none;}
.case-metrics strong{display:block;color:var(--primary);font-size:18px;}
.case-metrics span{font-size:11.5px;color:var(--muted);}
.case-card .case-link{display:block;text-align:center;padding:14px;font-weight:700;font-size:13px;color:var(--navy);border-top:1px solid var(--border);}
.case-card .case-link:hover{color:var(--primary);background:var(--bg-soft);}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff;}
.news-thumb{aspect-ratio:16/10;background:linear-gradient(135deg,var(--bg-soft),#e7effb);display:flex;align-items:center;justify-content:center;color:var(--primary);}
.news-body{padding:22px;}
.news-date{font-size:12px;color:var(--accent-dark);font-weight:700;letter-spacing:1px;margin-bottom:8px;}
.news-body h3{font-size:16.5px;}
.news-body p{font-size:13.5px;color:var(--muted);}

/* ---------- CTA strip ---------- */
.cta-strip{
  background:linear-gradient(120deg,var(--primary-dark),var(--primary));
  color:#fff;text-align:center;
}
.cta-strip h2{color:#fff;font-size:28px;}
.cta-strip p{color:#dbe8fb;max-width:600px;margin:0 auto 26px;}
.cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;}
.contact-cards{display:grid;gap:18px;margin-bottom:30px;}
.contact-card{
  display:flex;gap:16px;align-items:flex-start;
  border:1px solid var(--border);border-radius:var(--radius);padding:22px;background:#fff;
}
.contact-card .solution-icon{flex:none;margin-bottom:0;}
.contact-card h4{margin-bottom:4px;font-size:15.5px;}
.contact-card p, .contact-card a{color:var(--muted);font-size:14px;display:block;}
.contact-card a:hover{color:var(--primary);}

.map-frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);height:340px;}
.map-frame iframe{width:100%;height:100%;border:0;}

form.contact-form{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow);
}
form.contact-form .form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px;}
form.contact-form label{display:block;font-size:13px;font-weight:700;color:var(--navy);margin-bottom:7px;}
form.contact-form input,form.contact-form select,form.contact-form textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:7px;font-size:14px;font-family:inherit;
  background:var(--bg-soft);
}
form.contact-form input:focus,form.contact-form select:focus,form.contact-form textarea:focus{
  outline:none;border-color:var(--primary);background:#fff;
}
form.contact-form textarea{resize:vertical;min-height:130px;}
.hp-field{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;overflow:hidden;}
.captcha-row{margin-top:18px;}
.captcha-row label{display:block;font-size:13px;font-weight:700;color:var(--navy);margin-bottom:7px;}
.captcha-row input{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:7px;font-size:14px;
  background:var(--bg-soft);max-width:220px;
}
.captcha-row input:focus{outline:none;border-color:var(--primary);background:#fff;}

/* ---------- Product detail page ---------- */
.product-breadcrumb{
  background:var(--bg-soft);border-bottom:1px solid var(--border);
  padding:16px 0;font-size:13.5px;color:var(--muted);
}
.product-breadcrumb a{color:var(--primary);font-weight:600;}
.product-breadcrumb span{color:var(--navy);font-weight:600;}

.product-hero{padding:60px 0;}
.product-hero-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center;}
.product-hero-media{
  position:relative;
  aspect-ratio:4/3.4;border-radius:16px;
  background:linear-gradient(135deg,var(--bg-soft),#e7effb);
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--primary);
  overflow:hidden;
}
.product-hero-media #pd-media{width:100%;height:100%;display:flex;align-items:center;justify-content:center;}
.product-hero-media #pd-media img{width:100%;height:100%;object-fit:cover;object-position:top center;}
.product-hero-media .badge{
  position:absolute;top:16px;left:16px;background:var(--accent);color:var(--navy);
  font-size:12px;font-weight:800;padding:5px 14px;border-radius:20px;letter-spacing:.5px;
}
.product-hero-info .section-tag{margin-bottom:8px;}
.product-hero-info h1{font-size:32px;}
.product-hero-info .tagline{color:var(--muted);font-size:16px;margin-bottom:22px;}
.highlight-list{margin:0 0 28px;}
.highlight-list li{
  display:flex;align-items:flex-start;gap:12px;margin-bottom:12px;font-size:15px;color:var(--text);
}
.highlight-list svg{flex:none;color:var(--primary);margin-top:2px;}
.service-line{
  margin-top:26px;padding-top:22px;border-top:1px solid var(--border);
  font-size:13.5px;color:var(--muted);display:flex;gap:10px;align-items:center;
}
.service-line strong{color:var(--navy);}

.product-tabnav{
  position:sticky;top:0;z-index:500;
  background:#fff;border-bottom:1px solid var(--border);
  box-shadow:0 2px 10px rgba(10,40,90,.05);
}
.product-tabnav .container{display:flex;gap:6px;overflow-x:auto;}
.product-tabnav a{
  padding:16px 20px;font-weight:700;font-size:14px;color:var(--muted);white-space:nowrap;
  border-bottom:3px solid transparent;
}
.product-tabnav a:hover,.product-tabnav a.active{color:var(--primary);border-color:var(--primary);}

.spec-table{width:100%;border-collapse:collapse;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
.spec-table tr:nth-child(odd){background:var(--bg-soft);}
.spec-table th,.spec-table td{padding:14px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--border);}
.spec-table th{width:34%;color:var(--navy);font-weight:700;}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none;}

.industries-block{margin-top:36px;}
.industries-block h3{font-size:18px;margin-bottom:16px;}

.related-heading{margin-bottom:30px;}

/* ---------- Article / detail pages (news, case study, solution) ---------- */
.article-meta{
  display:flex;gap:18px;flex-wrap:wrap;align-items:center;
  color:var(--muted);font-size:13.5px;margin-bottom:30px;padding-bottom:24px;border-bottom:1px solid var(--border);
}
.article-meta .tag-pill{
  background:var(--bg-soft);color:var(--primary);font-weight:800;font-size:11.5px;letter-spacing:1px;
  padding:5px 14px;border-radius:20px;
}
.article-body{max-width:820px;color:var(--text);font-size:15.5px;line-height:1.8;}
.article-body p{margin-bottom:1.3em;}
.article-body h3{margin-top:1.6em;font-size:20px;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:22px;}
.article-body li{margin-bottom:.4em;}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 1.6em;font-size:14.5px;}
.article-body table th,.article-body table td{border:1px solid var(--border);padding:10px 12px;text-align:left;}
.article-body table thead th{background:var(--bg-soft);}
.article-body a{color:var(--primary);text-decoration:underline;}
.detail-hero{padding:56px 0 10px;}
.detail-hero .section-tag{margin-bottom:10px;}
.detail-hero h1{font-size:32px;max-width:780px;}
.detail-hero .lede{color:var(--muted);font-size:16.5px;max-width:760px;}
.case-hero-metrics{display:flex;gap:16px;flex-wrap:wrap;margin:26px 0 6px;}
.case-hero-metrics div{
  background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px 24px;min-width:130px;
}
.case-hero-metrics strong{display:block;color:var(--primary);font-size:22px;}
.case-hero-metrics span{font-size:12.5px;color:var(--muted);}
.recommend-card{
  display:flex;gap:18px;align-items:center;
  border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;background:#fff;
}
.recommend-card .solution-icon{flex:none;margin-bottom:0;width:64px;height:64px;}
.recommend-card h4{margin-bottom:4px;font-size:16px;}
.recommend-card p{margin:0;font-size:13.5px;color:var(--muted);}

/* ---------- Product videos ---------- */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.video-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.video-embed{position:relative;width:100%;aspect-ratio:16/9;background:#0b1a33;}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.video-card .video-caption{padding:16px 18px;font-size:14.5px;font-weight:700;color:var(--navy);line-height:1.4;}

/* ---------- Testimonials ---------- */
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.testimonial-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow);position:relative;
}
.testimonial-card .quote-icon{color:var(--accent);opacity:.5;margin-bottom:10px;}
.testimonial-card .testimonial-product{
  display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.5px;
  color:var(--primary);background:var(--bg-soft);padding:4px 12px;border-radius:20px;margin-bottom:16px;
}
.testimonial-card .testimonial-quote{
  font-size:14.5px;color:var(--text);font-style:italic;margin-bottom:20px;min-height:80px;
}
.testimonial-card .testimonial-author{display:flex;align-items:center;gap:14px;border-top:1px solid var(--border);padding-top:16px;}
.testimonial-card .testimonial-thumb{width:48px;height:48px;border-radius:10px;overflow:hidden;flex:none;background:var(--bg-soft);}
.testimonial-card .testimonial-thumb img{width:100%;height:100%;object-fit:cover;}
.testimonial-card .testimonial-name{font-weight:800;color:var(--navy);font-size:14.5px;}
.testimonial-card .testimonial-title{font-size:12.5px;color:var(--muted);}

/* ---------- Services ---------- */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.service-card{
  display:flex;align-items:flex-start;gap:16px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;transition:.2s;
}
.service-card:hover{border-color:var(--primary);box-shadow:var(--shadow);}
.service-card .solution-icon{flex:none;margin-bottom:0;}
.service-card h4{font-size:15px;margin-bottom:0;line-height:1.4;}

/* ---------- FAQ accordion ---------- */
.faq-accordion{max-width:860px;margin:0 auto;}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;background:#fff;}
.faq-question{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:700;color:var(--navy);font-family:inherit;
}
.faq-question:hover{color:var(--primary);}
.faq-question .faq-icon{flex:none;width:22px;height:22px;color:var(--primary);transition:transform .25s;}
.faq-item.open .faq-question .faq-icon{transform:rotate(45deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-answer-inner{padding:0 24px 22px;color:var(--muted);font-size:14.5px;line-height:1.7;}
.faq-item.open .faq-answer{max-height:400px;}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--navy);color:#b9c8e2;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;}
.footer-grid h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.5px;}
.footer-grid ul li{margin-bottom:11px;font-size:14px;}
.footer-grid ul li a:hover{color:#fff;}
.footer-about .logo{color:#fff;margin-bottom:16px;}
.footer-about p{font-size:14px;color:#9fb0cc;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;font-size:14px;
}
.footer-social a:hover{background:var(--primary);border-color:var(--primary);}
.footer-contact li{display:flex;gap:10px;font-size:14px;align-items:flex-start;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:#8ea0bf;
}
.footer-bottom a:hover{color:#fff;}

.footer-cities{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;
  font-size:13.5px;
}
.footer-cities strong{color:#fff;white-space:nowrap;}
.footer-cities a{color:#9fb0cc;}
.footer-cities a:hover{color:#fff;}
.footer-cities .sep{color:#4a5b7a;}

.back-top{
  position:fixed;right:22px;bottom:22px;
  width:46px;height:46px;border-radius:50%;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-lg);
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:.25s;z-index:900;
}
.back-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}

.side-dock{
  position:fixed;right:0;top:50%;transform:translateY(-50%);
  background:var(--primary);border-radius:10px 0 0 10px;overflow:hidden;z-index:900;
  box-shadow:var(--shadow-lg);
}
.side-dock a{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  color:#fff;padding:14px 16px;font-size:11px;font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.15);
}
.side-dock a:last-child{border-bottom:none;}
.side-dock a:hover{background:var(--accent);color:var(--navy);}

/* ---------- utils ---------- */
.mt-0{margin-top:0;}
.text-center{text-align:center;}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:40px;}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero .container{grid-template-columns:1fr;}
  .hero-art{order:-1;max-width:420px;margin:0 auto;}
  .solutions-grid,.product-grid,.case-grid,.news-grid,.feature-grid,.testimonial-grid,.services-grid,.video-grid{grid-template-columns:repeat(2,1fr);}
  .why-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .category-strip{grid-template-columns:repeat(3,1fr);}
  .about-grid,.contact-grid,.two-col{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .product-hero-grid{grid-template-columns:1fr;}
}
@media (max-width:1180px){
  .nav-wrap{padding:12px 20px;}
  .logo{font-size:19px;}
  .logo small{font-size:10px;}
  nav.main-nav{
    position:fixed;top:0;right:0;bottom:0;left:auto;
    width:min(84vw,340px);
    background:#fff;
    padding:90px 22px 30px;
    transform:translateX(100%);
    transition:.3s ease;
    overflow-y:auto;
    z-index:1100;
  }
  nav.main-nav.open{transform:translateX(0);box-shadow:-10px 0 40px rgba(0,0,0,.2);}
  nav.main-nav > ul{flex-direction:column;align-items:stretch;gap:0;}
  nav.main-nav > ul > li > a{padding:14px 6px;border-bottom:1px solid var(--border);justify-content:space-between;}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;display:none;padding:0 0 0 14px;}
  nav.main-nav > ul > li.open .dropdown{display:block;}
  .nav-toggle{display:flex;}
  .nav-cta .phone{display:none;}
}
@media (max-width:760px){
  .topbar{display:none;}
  .nav-cta{display:none;}
  .topbar-info span:nth-child(3){display:none;}
  .solution-main{min-height:300px;}
  .solution-main-content{padding:26px;}
  .solution-main-content h3{font-size:21px;}
  .hero h1{font-size:32px;}
  .solutions-grid,.product-grid,.case-grid,.news-grid,.feature-grid,.category-strip,.testimonial-grid,.services-grid,.video-grid{grid-template-columns:1fr;}
  .why-grid{grid-template-columns:1fr 1fr;}
  form.contact-form .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr 1fr;}
  section{padding:50px 0;}
}
@media (max-width:400px){
  .nav-cta .btn{padding:11px 16px;font-size:13px;}
  .logo{font-size:16px;}
  .logo .logo-mark{width:36px;height:36px;font-size:18px;}
}