/* ============================================
   JIADA — Global Site Stylesheet
   Brand: navy #0f2740 / red #c0392b / gold #c9a24b
   ============================================ */

:root{
  --navy:#0f2740;
  --navy-2:#16395c;
  --navy-3:#1d4a75;
  --red:#c0392b;
  --red-dark:#a03024;
  --gold:#c9a24b;
  --ink:#1f2937;
  --gray:#6b7280;
  --line:#e2e8f0;
  --soft:#f5f8fb;
  --white:#ffffff;
  --shadow:0 2px 16px rgba(15,39,64,.08);
  --shadow-lg:0 8px 32px rgba(15,39,64,.14);
  --radius:12px;
  --maxw:1200px;
}

*{margin:0;padding:0;box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  font-family:"Segoe UI",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.7;
  font-size:16px;
}

img{max-width:100%;display:block;}
a{color:var(--navy);text-decoration:none;transition:color .2s;}
a:hover{color:var(--red);}
ul{list-style:none;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px;
}
.logo{display:flex;flex-direction:column;line-height:1;}
.logo .mark{font-size:22px;font-weight:800;color:var(--navy);letter-spacing:3px;}
.logo .mark span{color:var(--red);}
.logo .sub{font-size:9.5px;letter-spacing:2.2px;color:var(--gray);text-transform:uppercase;}

.nav{display:flex;align-items:center;gap:26px;}
.nav a{font-size:14.5px;font-weight:500;color:var(--ink);padding:4px 0;position:relative;}
.nav a.active,.nav a:hover{color:var(--red);}
.nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--red);
}
.nav a.has-sub::after{content:" ▾";font-size:10px;color:var(--gray);}

.header-right{display:flex;align-items:center;gap:14px;}
.lang-switch{display:flex;gap:2px;background:var(--soft);border-radius:6px;padding:3px;}
.lang-switch a{
  font-size:12px;padding:4px 9px;border-radius:4px;color:var(--gray);font-weight:600;
}
.lang-switch a.active{background:var(--navy);color:#fff;}
.lang-switch a.soon{opacity:.4;pointer-events:none;}

.burger{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--navy);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;padding:11px 24px;border-radius:8px;
  font-size:14.5px;font-weight:600;cursor:pointer;border:2px solid transparent;
  transition:all .2s;text-align:center;
}
.btn-primary{background:var(--red);color:#fff;}
.btn-primary:hover{background:var(--red-dark);color:#fff;transform:translateY(-1px);box-shadow:0 4px 14px rgba(192,57,43,.3);}
.btn-outline{border-color:var(--navy);color:var(--navy);background:transparent;}
.btn-outline:hover{background:var(--navy);color:#fff;}
.btn-light{border-color:#fff;color:#fff;}
.btn-light:hover{background:#fff;color:var(--navy);}
.btn-sm{padding:8px 16px;font-size:13px;}
.btn-wa{background:#25D366;color:#fff;}
.btn-wa:hover{background:#1ebe57;color:#fff;}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 55%,var(--navy-3) 100%);
  color:#fff;padding:88px 0 76px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-80px;width:460px;height:460px;
  background:radial-gradient(circle,rgba(201,162,75,.18),transparent 70%);
}
.hero .wrap{position:relative;z-index:2;}
.hero-tag{
  display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);
  padding:5px 16px;border-radius:20px;font-size:13px;letter-spacing:1px;color:#e8f1fa;margin-bottom:20px;
}
.hero h1{font-size:44px;line-height:1.22;font-weight:800;margin-bottom:18px;max-width:820px;}
.hero h1 em{font-style:normal;color:var(--gold);}
.hero p.lead{font-size:18px;color:#cfe0f0;max-width:700px;margin-bottom:30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:32px;}
.hero-chips span{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  padding:6px 14px;border-radius:6px;font-size:13px;color:#e8f1fa;
}

/* ---------- Stats bar ---------- */
.stats{background:var(--soft);border-bottom:1px solid var(--line);padding:34px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center;}
.stat .n{font-size:32px;font-weight:800;color:var(--red);line-height:1.1;}
.stat .n em{font-style:normal;font-size:14px;color:var(--navy);font-weight:600;}
.stat .l{font-size:12px;color:var(--gray);text-transform:uppercase;letter-spacing:1.2px;margin-top:4px;}

/* ---------- Section ---------- */
.section{padding:72px 0;}
.section.alt{background:var(--soft);}
.section.navy{background:var(--navy);color:#fff;}
.sec-head{text-align:center;max-width:760px;margin:0 auto 46px;}
.sec-head .eyebrow{
  font-size:12.5px;font-weight:700;letter-spacing:2.5px;color:var(--red);
  text-transform:uppercase;margin-bottom:10px;
}
.section.navy .sec-head .eyebrow{color:var(--gold);}
.sec-head h2{font-size:32px;color:var(--navy);line-height:1.3;margin-bottom:12px;}
.section.navy .sec-head h2{color:#fff;}
.sec-head p{font-size:16.5px;color:var(--gray);}
.section.navy .sec-head p{color:#b9cee2;}
.sec-head.left{text-align:left;margin-left:0;}

/* ---------- Cards ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}

.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:all .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#cbd8e4;}
.card h3{font-size:19px;color:var(--navy);margin-bottom:10px;}
.card p{font-size:14.5px;color:var(--gray);}
.card .icon{
  width:46px;height:46px;border-radius:10px;background:var(--soft);
  display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px;
}

/* Product card */
.prod{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:all .25s;
}
.prod:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.prod .thumb{
  height:200px;background:repeating-linear-gradient(45deg,#f0f4f8,#f0f4f8 12px,#e7edf3 12px,#e7edf3 24px);
  border-bottom:1px dashed #b9c6d3;display:flex;align-items:center;justify-content:center;
  color:#8598aa;font-size:12.5px;letter-spacing:.5px;text-align:center;padding:12px;
  position:relative;overflow:hidden;
}
.prod .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;}
.prod .body{padding:22px;}
.prod h3{font-size:18px;color:var(--navy);margin-bottom:8px;}
.prod .spec{font-size:13.5px;color:var(--ink);margin:5px 0;}
.prod .spec b{color:var(--red);}
.prod .more{display:inline-block;margin-top:14px;font-size:14px;font-weight:600;color:var(--red);}

/* ---------- Spec table ---------- */
.table-wrap{overflow-x:auto;}
table.spec{width:100%;border-collapse:collapse;font-size:14px;min-width:520px;}
table.spec caption{
  text-align:left;font-size:13px;color:var(--gray);padding-bottom:8px;
}
table.spec th{background:var(--navy);color:#fff;padding:11px 14px;text-align:left;font-weight:600;font-size:13.5px;}
table.spec td{border:1px solid var(--line);padding:10px 14px;background:#fff;}
table.spec tr:nth-child(even) td{background:var(--soft);}
table.spec td:first-child{font-weight:600;color:var(--navy);width:34%;}

/* ---------- Feature list ---------- */
ul.tick li{padding-left:26px;position:relative;margin:9px 0;font-size:15px;}
ul.tick li::before{content:"✓";position:absolute;left:0;color:var(--red);font-weight:800;}
.section.navy ul.tick li::before{color:var(--gold);}
ul.tick li b{color:var(--navy);}
.section.navy ul.tick li b{color:#fff;}

/* ---------- Why blocks ---------- */
.why{
  border-left:4px solid var(--red);background:var(--soft);
  border-radius:0 10px 10px 0;padding:18px 22px;
}
.why h4{color:var(--navy);font-size:16px;margin-bottom:5px;}
.why p{font-size:14px;color:var(--gray);}

/* ---------- Photo placeholder ---------- */
.ph{
  background:repeating-linear-gradient(45deg,#f0f4f8,#f0f4f8 12px,#e7edf3 12px,#e7edf3 24px);
  border:1.5px dashed #b9c6d3;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:#8598aa;font-size:12.5px;text-align:center;padding:14px;letter-spacing:.5px;
  position:relative;overflow:hidden;
}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;border-radius:10px;}
.ph.tall{min-height:260px;}
.ph.mid{min-height:180px;}
.ph.small{min-height:120px;}
.ph-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px;}

.cert-icon{
  width:80px;height:80px;margin:0 auto 12px;border-radius:50%;
  background:linear-gradient(135deg,var(--navy),var(--navy-3));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:.5px;
  box-shadow:0 4px 14px rgba(15,39,64,.18);
}
.cta-band{background:linear-gradient(135deg,var(--navy),var(--navy-3));color:#fff;padding:60px 0;text-align:center;}
.cta-band h2{font-size:30px;margin-bottom:12px;}
.cta-band p{color:#c3d6e8;font-size:16.5px;margin-bottom:26px;}

/* ---------- Contact / Form ---------- */
.form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--navy);margin-bottom:6px;}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:8px;
  font-size:14.5px;font-family:inherit;background:#fff;color:var(--ink);transition:border .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);}
.field textarea{min-height:110px;resize:vertical;}
.form-note{font-size:12.5px;color:var(--gray);margin-top:10px;}

.contact-info{background:var(--navy);color:#fff;border-radius:var(--radius);padding:32px;}
.contact-info h3{color:#fff;font-size:20px;margin-bottom:18px;}
.contact-info dl{margin:0;}
.contact-info dt{font-size:12px;color:var(--gold);text-transform:uppercase;letter-spacing:1.4px;margin-top:16px;}
.contact-info dd{font-size:15px;color:#dbe8f4;margin-top:3px;}
.contact-info dd a{color:#fff;border-bottom:1px solid rgba(255,255,255,.3);}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#b9cee2;padding:52px 0 24px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.5px;}
.site-footer ul li{margin:7px 0;font-size:14px;}
.site-footer ul li a{color:#b9cee2;}
.site-footer ul li a:hover{color:var(--gold);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:20px;
  display:flex;justify-content:space-between;gap:16px;font-size:13px;flex-wrap:wrap;
}

/* ---------- WhatsApp float ---------- */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:200;
  width:56px;height:56px;border-radius:50%;background:#25D366;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(37,211,102,.42);color:#fff;font-size:28px;
}
.wa-float:hover{transform:scale(1.06);color:#fff;}

/* ---------- Breadcrumb ---------- */
.crumb{background:var(--soft);border-bottom:1px solid var(--line);padding:14px 0;font-size:13px;color:var(--gray);}
.crumb a{color:var(--gray);}
.crumb span{margin:0 8px;}

/* ---------- Note box ---------- */
.note-box{
  background:#fff8ec;border:1px solid #f0dcae;border-left:4px solid var(--gold);
  border-radius:6px;padding:12px 18px;font-size:13px;color:#7a5c00;margin-top:20px;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
  .nav{
    display:none;position:absolute;top:70px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:flex-start;padding:18px 24px;gap:14px;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  }
  .nav.open{display:flex;}
  .burger{display:block;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .hero h1{font-size:31px;}
  .hero{padding:60px 0 52px;}
  .section{padding:52px 0;}
  .sec-head h2{font-size:26px;}
  .form-row{grid-template-columns:1fr;}
  .ph-row{grid-template-columns:1fr;}
  .header-right .lang-switch{display:none;}
}
@media (max-width:560px){
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .stat .n{font-size:25px;}
  .footer-grid{grid-template-columns:1fr;}
}