:root{
  --mt-blue:#0b2a5b; --mt-blue-2:#123d7e; --mt-blue-3:#1a4fa0;
  --mt-accent:#e8a33d; --mt-accent-2:#d98a1f;
  --mt-dark:#0a1f42; --mt-silver:#f2f5fa; --mt-gray:#5b6b84; --mt-line:#e3e9f2;
}
html{scroll-behavior:smooth;scroll-padding-top:86px;}
body{font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:#22314d;background:#fff;line-height:1.7;}
h1,h2,h3,h4,h5{font-weight:700;color:var(--mt-dark);}
a{text-decoration:none;}
.section-pad{padding:84px 0;}
.section-title{font-size:2rem;font-weight:800;color:var(--mt-dark);}
.section-sub{color:var(--mt-gray);max-width:820px;margin:0 auto;}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mt-accent-2);margin-bottom:.5rem;}
.divider{width:64px;height:3px;background:linear-gradient(90deg,var(--mt-accent),var(--mt-accent-2));border-radius:2px;margin:1rem auto;}
/* top bar */
.topbar{background:var(--mt-dark);color:#c6d3e8;font-size:.82rem;}
.topbar a{color:#c6d3e8;}
.topbar a:hover{color:#fff;}
.topbar .tb-icon{color:var(--mt-accent);margin-right:.3rem;}
/* navbar */
.navbar{background:rgba(255,255,255,.97);box-shadow:0 2px 14px rgba(10,31,66,.08);}
.navbar-brand{font-weight:800;font-size:1.15rem;color:var(--mt-dark)!important;}
.navbar-brand .brand-sub{display:block;font-size:.62rem;font-weight:600;letter-spacing:.12em;color:var(--mt-gray);text-transform:uppercase;}
.nav-link{font-weight:600;color:#22314d!important;padding:.55rem .9rem!important;}
.nav-link:hover{color:var(--mt-blue-3)!important;}
.navbar .dropdown-menu{border:1px solid var(--mt-line);box-shadow:0 10px 30px rgba(10,31,66,.12);border-radius:.6rem;}
.navbar .dropdown-item{font-weight:600;color:#22314d;padding:.5rem 1.1rem;}
.navbar .dropdown-item:hover{background:var(--mt-silver);color:var(--mt-blue-3);}
.btn-mt{background:linear-gradient(135deg,var(--mt-accent),var(--mt-accent-2));color:#fff!important;font-weight:700;border:none;border-radius:2rem;padding:.6rem 1.5rem;box-shadow:0 6px 18px rgba(217,138,31,.35);transition:transform .15s ease,box-shadow .15s ease;}
.btn-mt:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(217,138,31,.45);}
.btn-outline-mt{border:2px solid var(--mt-accent-2);color:var(--mt-accent-2)!important;font-weight:700;border-radius:2rem;padding:.55rem 1.5rem;background:transparent;}
.btn-outline-mt:hover{background:var(--mt-accent-2);color:#fff!important;}
.btn-blue{background:linear-gradient(135deg,var(--mt-blue-2),var(--mt-blue-3));color:#fff!important;font-weight:700;border:none;border-radius:2rem;padding:.6rem 1.5rem;box-shadow:0 6px 18px rgba(18,61,126,.3);transition:transform .15s ease;}
.btn-blue:hover{transform:translateY(-2px);color:#fff!important;}
/* hero */
.hero{position:relative;min-height:78vh;display:flex;align-items:center;color:#fff;background:var(--mt-dark);overflow:hidden;}
.hero-bg{position:absolute;inset:0;background-image:url('../images/hero.jpg');background-size:cover;background-position:center;}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,31,66,.92) 0%,rgba(11,42,91,.78) 42%,rgba(11,42,91,.35) 100%);}
.hero-content{position:relative;z-index:2;}
.hero h1{font-size:clamp(1.9rem,4.4vw,3.4rem);font-weight:800;line-height:1.18;color:#fff;}
.hero .lead{color:#d5e0f2;font-size:clamp(1rem,1.6vw,1.22rem);max-width:640px;}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:rgba(232,163,61,.16);border:1px solid rgba(232,163,61,.55);color:var(--mt-accent)!important;padding:.4rem 1rem;border-radius:2rem;font-size:.82rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;}
.hero-stats{position:relative;z-index:2;margin-top:-64px;}
.stat-card{background:#fff;border:1px solid var(--mt-line);border-radius:1rem;box-shadow:0 14px 34px rgba(10,31,66,.1);padding:1.4rem 1rem;text-align:center;height:100%;}
.stat-card .num{font-size:2.1rem;font-weight:800;color:var(--mt-blue-3);line-height:1.1;}
.stat-card .lbl{color:var(--mt-gray);font-size:.85rem;font-weight:600;}
.stat-card .ic{color:var(--mt-accent-2);margin-bottom:.4rem;}
/* category cards */
.cat-card{position:relative;border-radius:1.1rem;overflow:hidden;box-shadow:0 10px 30px rgba(10,31,66,.09);border:1px solid var(--mt-line);transition:transform .2s ease,box-shadow .2s ease;height:100%;background:#fff;}
.cat-card:hover{transform:translateY(-6px);box-shadow:0 18px 42px rgba(10,31,66,.16);}
.cat-media{height:210px;background-size:cover;background-position:center;position:relative;}
.cat-media .tag{position:absolute;top:1rem;left:1rem;background:rgba(10,31,66,.78);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.08em;padding:.3rem .8rem;border-radius:2rem;text-transform:uppercase;}
.cat-body{padding:1.4rem;}
.cat-body h3{font-size:1.15rem;}
.cat-body ul{list-style:none;margin:0;padding:0;}
.cat-body ul li{padding:.28rem 0;border-bottom:1px dashed var(--mt-line);}
.cat-body ul li:last-child{border-bottom:none;}
.cat-body ul li a{color:var(--mt-gray);font-size:.9rem;font-weight:600;}
.cat-body ul li a:hover{color:var(--mt-blue-3);}
/* product cards */
.prod-card{background:#fff;border:1px solid var(--mt-line);border-radius:1rem;overflow:hidden;box-shadow:0 6px 18px rgba(10,31,66,.06);transition:transform .2s ease,box-shadow .2s ease;height:100%;}
.prod-card:hover{transform:translateY(-5px);box-shadow:0 14px 34px rgba(10,31,66,.13);}
.prod-media{height:190px;background:#f6f8fc;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.prod-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.prod-card:hover .prod-media img{transform:scale(1.05);}
.prod-body{padding:1.1rem 1.2rem 1.3rem;}
.prod-body h3{font-size:1rem;min-height:2.6rem;}
.prod-body .spec{color:var(--mt-gray);font-size:.82rem;margin-bottom:.5rem;}
.prod-body .btn-sm-mt{font-size:.82rem;font-weight:700;color:var(--mt-blue-3);}
.prod-body .btn-sm-mt:hover{color:var(--mt-accent-2);}
/* why us */
.why-card{background:#fff;border:1px solid var(--mt-line);border-radius:1rem;padding:1.6rem 1.4rem;height:100%;box-shadow:0 6px 18px rgba(10,31,66,.05);transition:transform .2s ease;}
.why-card:hover{transform:translateY(-4px);}
.why-card .w-ic{width:56px;height:56px;border-radius:.9rem;background:linear-gradient(135deg,rgba(18,61,126,.12),rgba(232,163,61,.16));display:flex;align-items:center;justify-content:center;color:var(--mt-blue-3);margin-bottom:1rem;}
.why-card h3{font-size:1.05rem;}
.why-card p{color:var(--mt-gray);font-size:.92rem;margin:0;}
/* about */
.about-media{border-radius:1.1rem;overflow:hidden;box-shadow:0 16px 40px rgba(10,31,66,.14);}
.about-media img{width:100%;display:block;}
.about-list{list-style:none;padding:0;margin:0;}
.about-list li{padding:.45rem 0;font-weight:600;color:#22314d;}
.about-list li::before{content:"\2713";color:var(--mt-accent-2);font-weight:900;margin-right:.6rem;}
/* timeline */
.timeline{position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:3px;background:linear-gradient(180deg,var(--mt-blue-3),var(--mt-accent));border-radius:2px;}
.tl-item{position:relative;margin-bottom:1.4rem;}
.tl-item::before{content:"";position:absolute;left:-26px;top:6px;width:17px;height:17px;border-radius:50%;background:#fff;border:4px solid var(--mt-blue-3);}
.tl-item .tl-year{font-weight:800;color:var(--mt-blue-3);}
.tl-item p{color:var(--mt-gray);font-size:.92rem;margin:0;}
/* certification */
.cer-card{background:#fff;border:1px solid var(--mt-line);border-radius:1rem;padding:1.2rem;text-align:center;height:100%;box-shadow:0 6px 18px rgba(10,31,66,.05);transition:transform .2s ease;}
.cer-card:hover{transform:translateY(-4px);}
.cer-card img{max-height:150px;border-radius:.5rem;margin-bottom:.8rem;box-shadow:0 4px 12px rgba(10,31,66,.12);}
.cer-card .cer-name{font-weight:700;color:var(--mt-dark);font-size:.95rem;}
/* services */
.svc-card{background:var(--mt-silver);border:1px solid var(--mt-line);border-radius:1rem;padding:1.6rem 1.4rem;height:100%;transition:transform .2s ease;}
.svc-card:hover{transform:translateY(-4px);}
.svc-card .s-ic{width:52px;height:52px;border-radius:50%;background:var(--mt-blue-3);color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:1rem;}
.svc-card h3{font-size:1.05rem;}
.svc-card p{color:var(--mt-gray);font-size:.92rem;margin:0;}
/* faq */
.accordion-item{border:1px solid var(--mt-line)!important;border-radius:.8rem!important;overflow:hidden;margin-bottom:.8rem;}
.accordion-button{font-weight:700;color:var(--mt-dark);background:#fff;}
.accordion-button:not(.collapsed){background:var(--mt-silver);color:var(--mt-blue-3);box-shadow:none;}
.accordion-body{color:var(--mt-gray);font-size:.95rem;}
/* contact */
.contact-info{background:var(--mt-dark);border-radius:1.1rem;padding:2rem;color:#c6d3e8;height:100%;}
.contact-info h3{color:#fff;}
.contact-info a{color:#eaf0fa;}
.contact-info a:hover{color:var(--mt-accent);}
.ci-row{display:flex;gap:1rem;align-items:flex-start;padding:.85rem 0;border-bottom:1px solid rgba(255,255,255,.09);}
.ci-row:last-child{border-bottom:none;}
.ci-row .ci-ic{width:42px;height:42px;flex:0 0 42px;border-radius:.7rem;background:rgba(255,255,255,.09);display:flex;align-items:center;justify-content:center;color:var(--mt-accent);}
.ci-row .ci-lbl{font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:#8fa3c4;font-weight:700;}
.ci-row .ci-val{font-weight:600;color:#fff;word-break:break-word;}
.contact-form{background:#fff;border:1px solid var(--mt-line);border-radius:1.1rem;padding:2rem;box-shadow:0 10px 30px rgba(10,31,66,.08);height:100%;}
.form-control,.form-select{border-radius:.6rem;border:1px solid #cdd8e8;padding:.65rem .9rem;font-size:.95rem;}
.form-control:focus,.form-select:focus{border-color:var(--mt-blue-3);box-shadow:0 0 0 .2rem rgba(26,79,160,.12);}
/* footer */
footer{background:var(--mt-dark);color:#aebfdb;}
footer h5{color:#fff;font-size:1rem;margin-bottom:1.1rem;}
footer a{color:#aebfdb;font-size:.9rem;}
footer a:hover{color:var(--mt-accent);}
.f-link{display:block;padding:.28rem 0;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:1.2rem 0;color:#7e93b5;font-size:.84rem;}
.float-wa{position:fixed;right:1.2rem;bottom:1.2rem;z-index:1030;width:54px;height:54px;border-radius:50%;background:#25d366;color:#fff!important;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(37,211,102,.45);transition:transform .15s ease;}
.float-wa:hover{transform:scale(1.08);}
@media (max-width: 767.98px){
  .section-pad{padding:56px 0;}
  .hero{min-height:88vh;}
  .stat-card .num{font-size:1.6rem;}
  .hero-stats{margin-top:-40px;}
}