:root{
  --navy:#0a2440;
  --navy-2:#12395f;
  --navy-3:#0f3054;
  --accent:#f0821e;
  --accent-2:#ffb25e;
  --ink:#17232f;
  --muted:#5c6d7e;
  --line:#e2e8ef;
  --bg:#f5f8fb;
  --white:#fff;
  --radius:4px;
  --shadow:0 2px 14px rgba(10,36,64,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--white);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--navy-2);text-decoration:none}
a:hover{color:var(--accent)}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700}
h1,h2,h3,h4{line-height:1.25;color:var(--navy);margin:0 0 .5em}
h1{font-size:40px;font-weight:700;letter-spacing:-.5px}
h2{font-size:30px;font-weight:700;letter-spacing:-.3px}
h3{font-size:19px;font-weight:700}
p{margin:0 0 1em}
.lead{font-size:18px;color:var(--muted)}
.muted{color:var(--muted)}
.section{padding:72px 0}
.section.tight{padding:52px 0}
.section.alt{background:var(--bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.center{text-align:center}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* header */
.topbar{background:var(--navy);color:#c8d6e5;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:38px;gap:16px;flex-wrap:wrap}
.topbar a{color:#c8d6e5}
.topbar a:hover{color:#fff}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:18px;flex-wrap:nowrap}
.logo{display:flex;flex-direction:column;align-items:flex-start;gap:3px;line-height:1.08;white-space:nowrap;font-weight:800;color:var(--navy);font-size:22px;letter-spacing:-.4px}
.logo span{font-weight:600;font-size:11.5px;color:var(--muted);letter-spacing:.02em}
nav.main{display:flex;align-items:center;gap:2px;flex-wrap:nowrap;white-space:nowrap}
nav.main > a,nav.main .dd > button{
  padding:10px 11px;border-radius:var(--radius);font-size:14px;font-weight:600;color:var(--navy);
  background:none;border:0;cursor:pointer;font-family:inherit
}
nav.main .btn{padding:11px 16px;font-size:14px;margin-left:8px}
nav.main > a:hover,nav.main .dd:hover > button{background:var(--bg);color:var(--navy-2)}
.dd{position:relative}
.dd > .menu{
  position:absolute;top:100%;left:0;min-width:260px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);padding:8px;display:none
}
.dd:hover > .menu{display:block}
.dd .menu a{display:block;padding:10px 12px;border-radius:3px;font-size:14px}
.dd .menu a small{display:block;color:var(--muted);font-weight:400;font-size:12.5px}
.dd .menu a:hover{background:var(--bg)}
.btn{display:inline-block;padding:12px 22px;border-radius:var(--radius);font-weight:700;font-size:15px;border:1px solid transparent}
.btn.primary{background:var(--accent);color:#fff}
.btn.primary:hover{background:#d9720f;color:#fff}
.btn.ghost{border-color:rgba(255,255,255,.6);color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn.outline{border-color:var(--navy);color:var(--navy)}
.btn.outline:hover{background:var(--navy);color:#fff}

/* hero */
.hero{position:relative;color:#fff;background:var(--navy)}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center 35%;opacity:.42}
.hero .veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,36,64,.94) 0%,rgba(10,36,64,.72) 55%,rgba(10,36,64,.45) 100%)}
.hero .inner{position:relative;padding:96px 0 84px;max-width:760px}
.hero h1{color:#fff;font-size:44px}
.hero p{color:#d5e2ee;font-size:19px;margin-bottom:28px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}
.stats{display:flex;gap:38px;flex-wrap:wrap;margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.18)}
.stats div strong{display:block;font-size:26px;color:#fff;font-weight:700}
.stats div span{font-size:13px;color:#a9bed2}

/* page hero */
.pagehead{background:var(--navy);color:#fff;padding:56px 0 48px}
.pagehead h1{color:#fff;margin-bottom:10px}
.pagehead p{color:#cfdcea;margin:0;max-width:760px;font-size:17px}
.crumb{font-size:13px;color:#93aac1;margin-bottom:14px}
.crumb a{color:#93aac1}

/* cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:15px;margin-bottom:16px}
.card .more{margin-top:auto;font-weight:700;font-size:14px}
.sol-card{padding:0;overflow:hidden}
.sol-card .thumb{height:170px;background-size:cover;background-position:center}
.sol-card .body{padding:24px;display:flex;flex-direction:column;flex:1}
.cert-card{padding:18px;gap:0}
.cert-card > a:first-child{display:block;background:#f7f9fb;border:1px solid var(--line);border-radius:3px;margin-bottom:18px;overflow:hidden}
.cert-card img{width:100%;height:390px;object-fit:contain;object-position:center;background:#f7f9fb}
.cert-card h3{margin-bottom:7px}
.cert-card > p{margin-bottom:14px}
.cert-facts{display:grid;grid-template-columns:auto 1fr;gap:5px 12px;margin:0 0 18px;font-size:13px}
.cert-facts dt{color:var(--muted)}
.cert-facts dd{margin:0;color:var(--ink);font-weight:600;text-align:right}
.tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--navy-2);background:#eaf1f8;padding:4px 9px;border-radius:2px;margin-bottom:12px}
.list{margin:0;padding:0;list-style:none}
.list li{position:relative;padding-left:20px;margin-bottom:9px;color:var(--muted);font-size:15px}
.list li:before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;background:var(--accent);border-radius:50%}
.list.strong li{color:var(--ink)}

/* tables */
table.spec{width:100%;border-collapse:collapse;background:#fff;font-size:15px;border:1px solid var(--line)}
table.spec th,table.spec td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.spec th{background:var(--navy);color:#fff;font-size:13.5px;font-weight:600;letter-spacing:.02em}
table.spec tr:last-child td{border-bottom:0}
table.spec td:first-child{font-weight:600;color:var(--navy);width:34%}
table.spec tbody tr:nth-child(even){background:#fafcfe}

/* feature strip */
.strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);background:#fff}
.strip div{padding:26px 22px;border-right:1px solid var(--line)}
.strip div:last-child{border-right:0}
.strip strong{display:block;font-size:17px;color:var(--navy);margin-bottom:6px}
.strip span{font-size:14px;color:var(--muted)}

/* cta */
.cta{background:var(--navy-2);color:#fff;padding:56px 0}
.cta h2{color:#fff}
.cta p{color:#d3e0ec;margin-bottom:24px}
.cta .actions{display:flex;gap:14px;flex-wrap:wrap}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.gallery img{width:100%;height:210px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line)}
.gallery .wide{grid-column:span 2}

/* keep two-column sections visually balanced */
.grid.g2 > div:last-child > img{width:100%;max-height:380px;object-fit:cover}
.grid.g2 > div:last-child > .gallery img{max-height:210px}

/* footer */
footer{background:#081c33;color:#a7bccf;padding:56px 0 26px;font-size:14.5px}
footer h4{color:#fff;font-size:15px;margin-bottom:14px}
footer a{color:#a7bccf}
footer a:hover{color:#fff}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin-bottom:8px}
footer .bottom{margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#7f97ad}

/* forms */
.wa{position:fixed;right:22px;bottom:22px;z-index:90;width:58px;height:58px;border-radius:50%;background:#25d366;
  display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(11,32,54,.28);
  transition:transform .15s ease,background .15s ease}
.wa:hover{background:#1ebe5b;transform:scale(1.06)}
.wa svg{display:block;width:30px;height:30px}
.wa-label{position:fixed;right:92px;bottom:38px;z-index:89;background:#0a2440;color:#fff;font-size:13.5px;
  font-weight:600;padding:8px 12px;border-radius:4px;box-shadow:0 6px 18px rgba(11,32,54,.22);opacity:0;
  pointer-events:none;transition:opacity .15s ease;white-space:nowrap}
.wa:hover + .wa-label{opacity:1}

.form{display:grid;gap:14px 18px;grid-template-columns:1fr 1fr}
.form select{max-width:100%}
.form .full{grid-column:1/-1}
.form label{font-size:13.5px;font-weight:600;color:var(--navy);display:block;margin-bottom:6px}
.form input,.form select,.form textarea{
  width:100%;padding:11px 12px;border:1px solid #cfd9e3;border-radius:var(--radius);font:inherit;font-size:15px;color:var(--ink);background:#fff
}
.form textarea{min-height:110px;resize:vertical}
.hp-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}
.form-message{padding:13px 15px;border:1px solid #b9ddc5;border-radius:var(--radius);background:#effaf2;color:#155724;font-size:14px;margin-bottom:18px}
.form-message.error{border-color:#efc4c4;background:#fff2f2;color:#842029}
.note{font-size:13px;color:var(--muted)}

@media (max-width:960px){
  h1{font-size:32px}
  .hero h1{font-size:34px}
  header.site .wrap{flex-wrap:wrap;row-gap:10px;padding-top:10px;padding-bottom:10px}
  nav.main{flex-wrap:wrap}
  .logo span{font-size:11px}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .cert-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .strip{grid-template-columns:repeat(2,1fr)}
  .strip div:nth-child(2){border-right:0}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gallery .wide{grid-column:span 2}
  footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .section{padding:52px 0}
  .g2,.g3,.g4,.strip,.form{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:minmax(0,1fr)}
  .cert-card img{height:auto;max-height:520px}
  .wa{right:14px;bottom:14px;width:52px;height:52px}
  .wa svg{width:27px;height:27px}
  .wa-label{display:none}
  .strip div{border-right:0;border-bottom:1px solid var(--line)}
  .gallery{grid-template-columns:minmax(0,1fr)}
  .gallery .wide{grid-column:span 1}
  footer .cols{grid-template-columns:1fr}
  header.site .wrap{flex-direction:column;align-items:flex-start;padding-top:12px;padding-bottom:12px}
}