/* ============================================================
   MightyCargo — Xe nâng điện & Robot di động
   Shared stylesheet | https://electricforklift.95mw.cn
   ============================================================ */

:root{
  --navy:#0d2240;
  --navy-2:#14345f;
  --navy-deep:#081830;
  --yellow:#ffc400;
  --yellow-dark:#e3a900;
  --bg:#f5f7fa;
  --ink:#16202e;
  --muted:#5b6b7f;
  --line:#e2e8f0;
  --white:#ffffff;
  --radius:6px;
  --shadow:0 6px 24px rgba(13,34,64,.08);
  --shadow-lg:0 18px 48px rgba(13,34,64,.16);
  --maxw:1200px;
  --font:"Be Vietnam Pro","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
  color:var(--ink);
  background:var(--white);
}
img{max-width:100%;display:block;}
a{color:var(--navy);text-decoration:none;}
a:hover{color:var(--yellow-dark);}
h1,h2,h3,h4{line-height:1.25;color:var(--navy);margin:0 0 .6em;font-weight:700;}
p{margin:0 0 1em;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
section{padding:72px 0;}
@media (max-width:768px){section{padding:48px 0;}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;
  padding:13px 28px;
  border-radius:4px;
  font-weight:600;
  font-size:15px;
  border:2px solid transparent;
  cursor:pointer;
  transition:.2s;
  text-align:center;
}
.btn-primary{background:var(--yellow);color:var(--navy-deep);}
.btn-primary:hover{background:var(--yellow-dark);color:var(--navy-deep);transform:translateY(-2px);}
.btn-outline{border-color:var(--navy);color:var(--navy);background:transparent;}
.btn-outline:hover{background:var(--navy);color:#fff;}
.btn-light{background:#fff;color:var(--navy);}
.btn-light:hover{background:var(--yellow);color:var(--navy-deep);}
.btn-block{display:block;width:100%;}

/* ---------- Top bar ---------- */
.topbar{background:var(--navy-deep);color:#c9d4e3;font-size:13px;padding:7px 0;}
.topbar .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.topbar strong{color:var(--yellow);font-weight:600;}

/* ---------- Header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;
}
.brand img{height:44px;width:auto;}
.nav-links{display:flex;align-items:center;gap:32px;list-style:none;margin:0;padding:0;}
.nav-links a{font-weight:500;color:var(--ink);font-size:15px;}
.nav-links a:hover,.nav-links a.active{color:var(--yellow-dark);}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;transition:.2s;}
@media (max-width:900px){
  .nav-toggle{display:block;}
  .nav-links{
    position:absolute;top:76px;left:0;right:0;
    background:#fff;flex-direction:column;gap:0;
    border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s;
  }
  .nav-links.open{max-height:420px;box-shadow:var(--shadow);}
  .nav-links li{width:100%;}
  .nav-links a{display:block;padding:14px 24px;border-top:1px solid var(--line);}
  .nav-cta .btn{display:none;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:560px;
  display:flex;align-items:center;
  color:#fff;
  background:linear-gradient(90deg,rgba(8,24,48,.92) 0%,rgba(13,34,64,.78) 55%,rgba(13,34,64,.35) 100%),url("/img/banner.jpg") center/cover no-repeat;
}
.hero .container{padding-top:64px;padding-bottom:64px;}
.hero h1{color:#fff;font-size:clamp(30px,5vw,54px);max-width:720px;margin-bottom:20px;letter-spacing:-.5px;}
.hero h1 em{font-style:normal;color:var(--yellow);}
.hero p{font-size:18px;max-width:600px;color:#d8e0ec;margin-bottom:32px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:56px;max-width:820px;
}
.hero-stats .num{font-size:34px;font-weight:800;color:var(--yellow);line-height:1.1;}
.hero-stats .lbl{font-size:14px;color:#c9d4e3;}
@media (max-width:768px){
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px;}
  .hero-stats .num{font-size:26px;}
}

/* ---------- Section headings ---------- */
.sec-head{max-width:680px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head .kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--yellow-dark);margin-bottom:12px;
}
.sec-head .kicker::before{content:"";width:28px;height:3px;background:var(--yellow);}
.sec-head.center .kicker::after{content:"";width:28px;height:3px;background:var(--yellow);}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);}
.sec-head p{color:var(--muted);font-size:16px;}

/* ---------- Cards grid ---------- */
.grid{display:grid;gap:26px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.25s;
}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:#d3dcea;}
.card .thumb{aspect-ratio:4/3;background:var(--bg);overflow:hidden;}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:.35s;}
.card:hover .thumb img{transform:scale(1.05);}
.card .body{padding:22px;}
.card h3{font-size:18px;margin-bottom:8px;}
.card p{color:var(--muted);font-size:14.5px;margin-bottom:14px;}
.card .more{font-weight:600;font-size:14px;color:var(--navy);}
.card .more:hover{color:var(--yellow-dark);}

/* ---------- Category tiles ---------- */
.cat-tile{
  background:var(--navy);color:#fff;border-radius:var(--radius);
  padding:28px 24px;min-height:200px;display:flex;flex-direction:column;justify-content:flex-end;
  transition:.25s;position:relative;overflow:hidden;
}
.cat-tile::after{
  content:"";position:absolute;right:-30px;top:-30px;width:120px;height:120px;
  background:rgba(255,196,0,.12);border-radius:50%;
}
.cat-tile:hover{background:var(--navy-2);transform:translateY(-4px);}
.cat-tile .ico{width:42px;height:42px;margin-bottom:16px;color:var(--yellow);}
.cat-tile h3{color:#fff;font-size:19px;}
.cat-tile p{font-size:14px;color:#b9c6d8;margin:0;}

/* ---------- Feature / why ---------- */
.feature{display:flex;gap:16px;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;}
.feature .ico{flex:0 0 44px;width:44px;height:44px;color:var(--yellow-dark);}
.feature h3{font-size:17px;margin-bottom:6px;}
.feature p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--navy-deep),var(--navy-2));
  color:#fff;text-align:center;padding:64px 0;
}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:10px;}
.cta-band p{color:#c9d4e3;max-width:560px;margin:0 auto 28px;}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{
  background:linear-gradient(120deg,var(--navy-deep),var(--navy-2));
  color:#fff;padding:64px 0;
}
.page-hero h1{color:#fff;font-size:clamp(28px,4vw,44px);margin-bottom:10px;}
.page-hero p{color:#c9d4e3;max-width:640px;margin:0;}
.breadcrumb{font-size:13px;color:#9fb0c6;margin-bottom:16px;}
.breadcrumb a{color:var(--yellow);}
.breadcrumb a:hover{text-decoration:underline;}

/* ---------- About ---------- */
.about-split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
@media (max-width:800px){.about-split{grid-template-columns:1fr;}}
.about-split img{border-radius:var(--radius);box-shadow:var(--shadow);}
.mv{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
@media (max-width:700px){.mv{grid-template-columns:1fr;}}
.mv .box{background:var(--bg);border-left:4px solid var(--yellow);padding:26px;border-radius:0 var(--radius) var(--radius) 0;}
.mv .box h3{margin-bottom:8px;}
.mv .box p{color:var(--muted);margin:0;}

/* ---------- Timeline ---------- */
.tl{list-style:none;padding:0;margin:0;}
.tl li{display:grid;grid-template-columns:120px 24px 1fr;gap:0;align-items:start;padding-bottom:26px;}
.tl .t{font-weight:700;color:var(--navy);}
.tl .dot{justify-self:center;width:12px;height:12px;background:var(--yellow);border-radius:50%;margin-top:6px;position:relative;}
.tl .dot::after{content:"";position:absolute;left:50%;top:16px;width:2px;height:calc(100% + 12px);background:var(--line);}
.tl li:last-child .dot::after{display:none;}
.tl .c h4{margin-bottom:4px;font-size:16px;}
.tl .c p{color:var(--muted);font-size:14.5px;margin:0;}
@media (max-width:600px){.tl li{grid-template-columns:90px 20px 1fr;}}

/* ---------- FAQ ---------- */
.faq-item{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;background:#fff;overflow:hidden;}
.faq-q{
  width:100%;text-align:left;background:none;border:0;cursor:pointer;
  padding:20px 22px;font-size:16.5px;font-weight:600;color:var(--navy);
  display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:var(--font);
}
.faq-q .arr{flex:0 0 28px;width:28px;height:28px;border-radius:50%;background:var(--bg);display:grid;place-items:center;transition:.2s;font-weight:700;}
.faq-item.open .arr{background:var(--yellow);transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 22px 20px;color:var(--muted);margin:0;}

/* ---------- Products list ---------- */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px;}
.chip{
  padding:9px 20px;border:1px solid var(--line);border-radius:30px;background:#fff;
  cursor:pointer;font-family:var(--font);font-size:14px;font-weight:500;color:var(--ink);transition:.2s;
}
.chip.active,.chip:hover{background:var(--navy);color:#fff;border-color:var(--navy);}
.product-card .thumb{aspect-ratio:1/1;background:#fff;}
.product-card .thumb img{object-fit:contain;padding:14px;}
.tag{
  display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:3px;
  background:#eaf1fb;color:var(--navy-2);margin-bottom:10px;
}
.tag.agv{background:#fff4d1;color:#8a6500;}
.spec-mini{font-size:13.5px;color:var(--muted);margin-bottom:12px;}
.spec-mini b{color:var(--navy);}

/* ---------- Product detail ---------- */
.pd{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:start;}
@media (max-width:860px){.pd{grid-template-columns:1fr;}}
.pd-gallery{position:sticky;top:96px;}
.pd-img{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;}
.pd-img img{width:100%;aspect-ratio:1/1;object-fit:contain;}
.pd h1{font-size:clamp(24px,3vw,34px);}
.pd .lead{color:var(--muted);font-size:16.5px;}
.spec-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.spec-table th,.spec-table td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;}
.spec-table th{width:40%;color:var(--muted);font-weight:500;background:var(--bg);}
.spec-table td{font-weight:600;color:var(--navy);}
.pd ul.feat{padding-left:0;list-style:none;margin:18px 0;}
.pd ul.feat li{padding-left:28px;position:relative;margin-bottom:10px;color:#33475e;}
.pd ul.feat li::before{content:"";position:absolute;left:0;top:8px;width:14px;height:8px;border-left:3px solid var(--yellow);border-bottom:3px solid var(--yellow);transform:rotate(-45deg);}
.pd-cta{background:var(--bg);border-radius:var(--radius);padding:26px;margin-top:26px;}

/* ---------- Cases ---------- */
.case-card{position:relative;border-radius:var(--radius);overflow:hidden;}
.case-card img{aspect-ratio:16/10;object-fit:cover;width:100%;}
.case-card .ov{
  position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,24,48,.92),transparent 65%);
  padding:20px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;
}
.case-card .ov h3{color:#fff;font-size:18px;margin-bottom:4px;}
.case-card .ov p{font-size:13.5px;color:#c9d4e3;margin:0;}

/* ---------- Contact ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:start;}
@media (max-width:860px){.contact-wrap{grid-template-columns:1fr;}}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-grid .full{grid-column:1/-1;}
@media (max-width:560px){.form-grid{grid-template-columns:1fr;}}
.form-group label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--navy);}
.form-group label .req{color:#c0392b;}
.form-control{
  width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:4px;
  font-family:var(--font);font-size:16px;background:#fff;color:var(--ink);
}
.form-control:focus{outline:none;border-color:var(--yellow-dark);box-shadow:0 0 0 3px rgba(255,196,0,.2);}
textarea.form-control{min-height:130px;resize:vertical;}
.form-note{font-size:13px;color:var(--muted);margin-top:12px;}
.alert{padding:14px 18px;border-radius:4px;margin-bottom:20px;font-size:14.5px;}
.alert-ok{background:#e8f6ec;color:#1e7e3a;border:1px solid #b7e4c5;}
.alert-err{background:#fdecea;color:#b3261e;border:1px solid #f5c6c2;}

/* ---------- Industries strip ---------- */
.ind-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;}
@media (max-width:900px){.ind-strip{grid-template-columns:repeat(3,1fr);}}
@media (max-width:520px){.ind-strip{grid-template-columns:repeat(2,1fr);}}
.ind{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 12px;text-align:center;font-weight:600;font-size:14.5px;color:var(--navy);
}
.ind .ico{width:36px;height:36px;margin:0 auto 10px;color:var(--yellow-dark);}

/* ---------- Exhibitions ---------- */
.exh{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
@media (max-width:900px){.exh{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.exh{grid-template-columns:1fr;}}
.exh figure{margin:0;}
.exh img{aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius);width:100%;}
.exh figcaption{font-size:14px;font-weight:600;margin-top:10px;color:var(--navy);}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-deep);color:#9fb0c6;padding:56px 0 0;font-size:14.5px;}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
@media (max-width:860px){.f-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:520px){.f-grid{grid-template-columns:1fr;}}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.site-footer ul{list-style:none;margin:0;padding:0;}
.site-footer li{margin-bottom:9px;}
.site-footer a{color:#9fb0c6;}
.site-footer a:hover{color:var(--yellow);}
.f-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:13px;text-align:center;}
.footer-cta{background:rgba(255,196,0,.1);border:1px solid rgba(255,196,0,.3);border-radius:var(--radius);padding:16px;}
.footer-cta .btn{margin-top:8px;}

/* utilities */
.bg-alt{background:var(--bg);}
.mt-0{margin-top:0;}
.text-yellow{color:var(--yellow);}