:root{--primary:#2C4E89;--accent:#D6A71D;--ink:#2a2f36;--muted:#5b6168;--bg:#fff;--soft:#f3f6fa}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
img{max-width:100%;display:block}
a{color:var(--primary)}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #e3e7ec}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:84px}
.logo img{height:64px;width:auto}
.nav{display:flex;gap:6px;list-style:none;margin:0;padding:0}
.nav>li{position:relative}
.nav a{display:block;padding:10px 18px;color:var(--ink);text-decoration:none;font-weight:500}
.nav a:hover,.nav a:focus{color:var(--primary)}
.nav .sub{display:none;position:absolute;left:0;top:100%;min-width:260px;background:#fff;border:1px solid #e3e7ec;box-shadow:0 8px 24px rgba(0,0,0,.08);list-style:none;margin:0;padding:6px 0}
.nav li:hover>.sub,.nav li:focus-within>.sub{display:block}
.nav .sub a{padding:8px 18px;font-weight:400}
.nav .has-sub>a:after{content:" ▾";font-size:.75em}
.menu-btn{display:none;background:none;border:0;font-size:28px;line-height:1;cursor:pointer;color:var(--ink)}
@media(max-width:900px){
 .menu-btn{display:block}
 .nav{display:none;position:absolute;left:0;right:0;top:84px;background:#fff;flex-direction:column;border-bottom:1px solid #e3e7ec;padding:8px 0}
 .nav.open{display:flex}
 .nav .sub{display:block;position:static;border:0;box-shadow:none;padding:0 0 0 16px}
}
/* hero slider (pure CSS layout + ~40 lines of JS) */
.hero{position:relative;height:clamp(420px,72vh,720px);overflow:hidden;background:#1b2a44;color:#fff}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease;background-size:cover;background-position:center;visibility:hidden}
.slide.active{opacity:1;visibility:visible;z-index:1}
.slide:before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.5)}
@media(min-width:801px){.slide:before{background:linear-gradient(to right,rgba(0,0,0,.5) 33%,rgba(0,0,0,0) 70%)}
 .slide.s1 h1{max-width:min(560px,42vw)}
 .dots{justify-content:flex-start;padding-left:max(24px,calc((100% - 1180px)/2 + 24px))}}
.slide .content{position:relative;max-width:1180px;margin:0 auto;padding:0 24px;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.slide .kicker{display:inline-block;padding:5px 12px;border-radius:5px;background:rgba(255,255,255,.18);font-size:15px}
.slide h1{font-size:clamp(30px,4.6vw,58px);line-height:1.15;margin:20px 0;max-width:15em;font-weight:700}
.slide .more{color:#fff;text-decoration:none;border-top:1px solid #fff;padding-top:4px}
.slide .more:hover{color:var(--accent);border-color:var(--accent)}
.hero .arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;background:rgba(0,0,0,.25);color:#fff;border:0;width:48px;height:64px;font-size:30px;cursor:pointer}
.hero .arrow:hover{background:rgba(0,0,0,.5)}
.hero .prev{left:0}.hero .next{right:0}
.dots{position:absolute;z-index:5;left:0;right:0;bottom:24px;display:flex;gap:10px;justify-content:center}
.dots button{width:12px;height:12px;border-radius:50%;border:2px solid #fff;background:transparent;padding:0;cursor:pointer}
.dots button[aria-current="true"]{background:var(--accent);border-color:var(--accent)}
/* sections */
section{padding:72px 0}
h2,h3,h4{line-height:1.25;color:var(--primary)}
h2{font-size:clamp(28px,3.4vw,40px);margin:0 0 16px}
.about{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:center}
.about img{max-width:260px;margin:0 auto}
.btn{display:inline-block;background:var(--primary);color:#fff;text-decoration:none;padding:12px 26px;border-radius:4px;font-weight:600}
.btn:hover{background:#1f3a69}
.pillars{background:var(--soft)}
.pillars .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.pillars h3{margin:0 0 8px;font-size:22px}
.pillars p{margin:0}
.stat{text-align:center}
.stat h4{font-size:clamp(22px,2.6vw,32px);color:var(--accent);margin:0}
.diff{text-align:center;max-width:820px;margin:0 auto}
.svc{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:56px 0}
.svc:nth-child(even) .txt{order:2}
.svc img{border-radius:6px;width:100%;max-height:520px;object-fit:cover}
.svc .num{color:var(--accent);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:14px;margin:0 0 8px}
.svc h3{font-size:clamp(24px,2.8vw,32px);margin:0 0 12px}
.svc ul{padding-left:20px;margin:12px 0 24px}
footer{background:#1b2a44;color:#cfd8e6;padding:48px 0;font-size:15px}
footer a{color:#fff}
footer .cols{display:flex;gap:48px;flex-wrap:wrap;justify-content:space-between}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin:4px 0}
@media(max-width:800px){
 .about,.svc,.pillars .grid{grid-template-columns:1fr}
 .svc:nth-child(even) .txt{order:0}
 section{padding:48px 0}
}
@media(max-width:600px){
 .slide h1{font-size:26px;margin:14px 0}
 .slide .content{padding:0 52px 0 24px}
 .hero{height:clamp(440px,70vh,560px)}
 .hero .arrow{width:34px;height:48px;font-size:24px}
 .nav{max-height:calc(100vh - 84px);overflow-y:auto}
 .nav a{padding:12px 24px}
 .logo img{height:56px}
 .svc{gap:24px;padding:32px 0}
 .svc img{max-height:340px}
}
@media(prefers-reduced-motion:reduce){.slide{transition:none}}

/* ---- inner pages ---- */
.nav .sub .grp{padding:8px 18px 2px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.nav a[aria-current="page"]{color:var(--primary)}
.banner{background:linear-gradient(135deg,#2C4E89,#1b2a44);color:#fff;padding:56px 0}
.banner h1{margin:0;font-size:clamp(28px,4vw,46px);line-height:1.2;color:#fff}
.content{padding:56px 0 72px}
.wrap.narrow{max-width:900px}
.prose h2{font-size:clamp(24px,2.8vw,32px);margin:2em 0 .5em}
.prose h2:first-child,.prose h3:first-child{margin-top:0}
.prose h3{font-size:22px;margin:1.6em 0 .4em}
.prose h4{font-size:18px;margin:1.5em 0 .3em}
.prose p{margin:0 0 1em}
.prose ul,.prose ol{padding-left:22px;margin:0 0 1.2em}
.prose li{margin:.3em 0}
.prose figure{margin:1.6em auto;text-align:center}
.prose figure img{display:inline-block;max-width:100%;max-height:460px;width:auto;height:auto;border-radius:6px}
.prose figure.portrait img{max-width:340px}
.prose blockquote{margin:1.4em 0;padding:4px 0 4px 20px;border-left:4px solid var(--accent);color:var(--muted);font-style:italic}
.prose .subtitle{color:var(--muted);font-size:19px;margin-top:-.4em}
.prose .actions{margin:1.6em 0}
.tablewrap{overflow-x:auto}
@media(min-width:760px){.prose figure.side{float:right;margin:.3em 0 1em 28px;max-width:260px}}
form.contact{display:grid;gap:16px;margin-top:24px;max-width:640px}
form.contact label{display:grid;gap:6px;font-weight:600;font-size:15px}
form.contact input,form.contact select,form.contact textarea{font:inherit;padding:11px 12px;border:1px solid #c9d1dc;border-radius:4px;background:#fff;width:100%}
form.contact input:focus,form.contact select:focus,form.contact textarea:focus{outline:2px solid var(--primary);outline-offset:1px}
form.contact button{justify-self:start;border:0;cursor:pointer;font:inherit;font-weight:600}
form.contact .note{margin:0;color:var(--primary);font-weight:600}

.btn.disabled{background:#8a94a3;cursor:not-allowed}
.map iframe{width:100%;height:340px;border:0;border-radius:6px;margin:1em 0}
.prose h1{font-size:clamp(26px,3.4vw,38px);margin:1.4em 0 .4em}
.prose h5{font-size:16px;margin:.2em 0 1em;color:var(--muted);font-weight:500}