:root{
  --primary:#0b3d91;
  --primary-dark:#082c69;
  --accent:#f5a623;
  --text:#1f2933;
  --muted:#52606d;
  --bg:#ffffff;
  --bg-soft:#f4f7fb;
  --border:#e1e8f0;
  --radius:14px;
  --max:1140px;
  font-synthesis:none;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.65;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:84px}
.brand{font-weight:800;font-size:1.25rem;color:var(--primary);letter-spacing:.5px;display:flex;align-items:center}
.brand span{color:var(--accent)}
.brand img{height:66px;width:auto;display:block}
.nav-links{display:flex;gap:26px;list-style:none;align-items:center}
.nav-links a{color:var(--text);font-weight:500;font-size:.97rem}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:11px 22px;border-radius:999px;font-weight:700;transition:.2s}
.btn:hover{background:#e0941a;text-decoration:none;transform:translateY(-1px)}
.btn-outline{background:transparent;border:2px solid #fff;color:#fff}
.menu-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--primary);cursor:pointer}
.lang-switch{background:transparent;border:1.5px solid var(--primary);color:var(--primary);font-weight:700;font-size:.85rem;padding:6px 13px;border-radius:999px;cursor:pointer;transition:.2s}
.lang-switch:hover{background:var(--primary);color:#fff}

/* Hero */
.hero{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:84px 0}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero-img{width:100%;height:340px;object-fit:cover;border-radius:18px;box-shadow:0 18px 40px rgba(0,0,0,.25)}
.hero h1{font-size:2.6rem;line-height:1.2;margin-bottom:18px;max-width:760px}
.hero p{font-size:1.18rem;max-width:660px;opacity:.95;margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:38px;margin-top:48px;flex-wrap:wrap}
.hero-stats .num{font-size:2rem;font-weight:800;color:var(--accent)}
.hero-stats .lbl{font-size:.92rem;opacity:.9}

/* Hiệu ứng xuất hiện khi cuộn */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s ease, transform .7s ease;will-change:opacity,transform}
.reveal.in-view{opacity:1;transform:none}
/* Nếu người dùng bật "giảm chuyển động": bỏ phần trượt, chỉ mờ dần nhẹ */
@media (prefers-reduced-motion: reduce){
  .reveal{transform:none}
}

section{padding:72px 0}
.section-title{text-align:center;font-size:2rem;margin-bottom:12px}
.section-sub{text-align:center;color:var(--muted);max-width:640px;margin:0 auto 46px}

/* Services */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:26px}
.card{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:30px 26px;transition:.2s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(11,61,145,.1)}
.card .ico{width:52px;height:52px;border-radius:12px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:16px}
.card h3{font-size:1.18rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.97rem}

.bg-soft{background:var(--bg-soft)}
.route-banner{width:100%;height:260px;object-fit:cover;border-radius:var(--radius);margin-bottom:34px;box-shadow:0 12px 30px rgba(11,61,145,.12)}

/* 6 mảng loại hàng hóa - 3 cột x 2 hàng */
.cargo-grid{grid-template-columns:repeat(3,1fr);margin-bottom:40px}
.cargo-card{text-align:center;align-items:center;justify-content:center;padding:30px 18px}
.cargo-card .ico{margin-bottom:14px}
.cargo-card h3{font-size:1.06rem;margin:0;text-wrap:balance}

/* Cân chữ khi xuống hàng cho cân đối */
h1,h2,h3,.section-title,.section-sub,.card p,.hero p{text-wrap:balance}

/* Thẻ tuyến đường có ảnh - 5 mục 1 hàng */
.route-grid{grid-template-columns:repeat(5,1fr)}
.route-card{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.2s;display:flex;flex-direction:column}
.route-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(11,61,145,.1)}
.route-thumb{width:100%;aspect-ratio:600/360;object-fit:cover;display:block}
.route-card h3{font-size:1.02rem;line-height:1.4;margin:0;padding:18px 20px;text-wrap:balance}

/* Đối tác tiêu biểu */
.partner-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.partner-logo{background:#fff;border:1px solid var(--border);border-radius:12px;height:110px;display:flex;align-items:center;justify-content:center;padding:16px;transition:.25s}
.partner-logo:hover{box-shadow:0 10px 26px rgba(11,61,145,.12);transform:translateY(-4px)}
.partner-logo img{max-width:100%;max-height:100%;object-fit:contain;transition:.25s}
.partner-logo:hover img{transform:scale(1.05)}
.route-map{display:block;max-width:560px;width:100%;height:auto;margin:0 auto 38px}

/* Capacity */
.cap-feature{display:grid;grid-template-columns:1fr 1.1fr;gap:34px;align-items:center}
.cap-img{width:100%;height:100%;max-height:360px;object-fit:cover;border-radius:var(--radius);box-shadow:0 12px 30px rgba(11,61,145,.12)}
.cap-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:20px}
.cap{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center}
.cap .num{font-size:1.9rem;font-weight:800;color:var(--primary)}
.cap .lbl{color:var(--muted);font-size:.95rem;margin-top:6px}

/* Blog cards */
.post-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.post-thumb{width:100%;aspect-ratio:600/340;object-fit:cover;display:block;border-bottom:1px solid var(--border)}
.post-card .body{padding:24px}
.post-card .tag{display:inline-block;background:#eaf0fb;color:var(--primary);font-size:.78rem;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:12px}
.post-card h3{font-size:1.15rem;margin-bottom:10px;line-height:1.4}
.post-card p{color:var(--muted);font-size:.95rem;margin-bottom:16px}

/* Contact */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info li{list-style:none;margin-bottom:16px;color:var(--muted)}
.contact-info strong{color:var(--text);display:block;font-size:.85rem;text-transform:uppercase;letter-spacing:.5px}
form input,form textarea{width:100%;padding:13px 15px;border:1px solid var(--border);border-radius:10px;margin-bottom:14px;font-family:inherit;font-size:1rem}
form button{width:100%;cursor:pointer;border:0}

/* Footer */
.site-footer{background:var(--primary-dark);color:#cbd6e8;padding:54px 0 26px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:34px}
.site-footer h4{color:#fff;margin-bottom:14px;font-size:1.05rem}
.footer-logo{height:84px;width:auto;background:#fff;padding:10px 14px;border-radius:12px;margin-bottom:16px}
.site-footer a{color:#cbd6e8}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:8px}
.copyright{text-align:center;border-top:1px solid rgba(255,255,255,.15);margin-top:34px;padding-top:20px;font-size:.88rem}

/* Article */
.article{max-width:780px;margin:0 auto;padding:48px 20px}
.article .breadcrumb{font-size:.88rem;color:var(--muted);margin-bottom:18px}
.article h1{font-size:2.1rem;line-height:1.25;margin-bottom:14px}
.article .meta{color:var(--muted);font-size:.9rem;margin-bottom:24px}
.article-banner{width:100%;max-height:380px;object-fit:cover;border-radius:14px;margin-bottom:30px;box-shadow:0 10px 26px rgba(11,61,145,.12)}
.service-img{width:100%;height:180px;object-fit:cover;border-radius:12px;margin-top:auto;margin-bottom:0}
.card p{margin-bottom:16px}
.article h2{font-size:1.5rem;margin:34px 0 14px;color:var(--primary)}
.article h3{font-size:1.2rem;margin:24px 0 10px}
.article p,.article li{margin-bottom:14px;color:#2b3440}
.article ul,.article ol{margin:0 0 16px 22px}
.article .lead{font-size:1.18rem;color:var(--muted)}
.article .cta-box{background:var(--bg-soft);border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:10px;padding:22px 24px;margin:30px 0}
.faq dt{font-weight:700;margin-top:16px}
.faq dd{margin:6px 0 0;color:var(--muted)}

@media(max-width:820px){
  .menu-toggle{display:block}
  .nav-links{position:absolute;top:84px;left:0;right:0;background:#fff;flex-direction:column;padding:18px 20px;border-bottom:1px solid var(--border);display:none}
  .nav-links.open{display:flex}
  .hero h1{font-size:2rem}
  .hero-grid{grid-template-columns:1fr}
  .hero-img{order:-1;max-width:480px;margin:0 auto;height:240px}
  .cap-feature{grid-template-columns:1fr}
  .cap-img{max-height:240px}
  .route-banner{height:190px}
  .cargo-grid{grid-template-columns:repeat(2,1fr)}
  .route-grid{grid-template-columns:repeat(2,1fr)}
  .partner-grid{grid-template-columns:repeat(3,1fr);gap:14px}
  .partner-logo{height:88px;padding:12px}
  .contact-wrap,.footer-grid{grid-template-columns:1fr}
}