:root{
  --navy:#0f3d5c; --navy2:#164f75; --navy-dark:#0a2e46;
  --ink:#1a1d21; --muted:#5b6672; --line:#d9e3eb;
  --alt:#f4f8fb; --sky:#eaf4fb; --mint:#e5f5ec; --green:#1a7f5a;
  --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);
  font-family:"Helvetica Neue",Arial,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--navy);text-decoration:none}
a:hover{color:var(--navy2)}
img{max-width:100%}
.container{max-width:1160px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{line-height:1.25;margin:0 0 14px;color:var(--navy)}
h1{font-size:38px;letter-spacing:-.5px}
h2{font-size:27px;letter-spacing:-.2px}
h3{font-size:18px}
p{margin:0 0 14px}
small{font-size:12px}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.logo{font-weight:700;font-size:20px;letter-spacing:.6px;color:var(--navy);white-space:nowrap}
.logo span{display:block;font-size:9px;font-weight:600;letter-spacing:3.2px;color:var(--muted);margin-top:-3px}
#nav{display:flex;align-items:center;gap:26px}
#nav a{font-size:14px;font-weight:600;color:#3a4652}
#nav a:hover,#nav a.active{color:var(--navy)}
#nav a.nav-cta{background:var(--navy);color:#fff;padding:9px 17px;border-radius:4px}
#nav a.nav-cta:hover{background:var(--navy2)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:4px;
  width:40px;height:36px;cursor:pointer;padding:8px}
.nav-toggle i{display:block;height:2px;background:var(--navy);margin:4px 0}
/* buttons & labels */
.btn{display:inline-block;padding:11px 20px;border-radius:4px;font-size:14px;font-weight:600;
  border:1px solid var(--navy);cursor:pointer;transition:.15s}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy2);color:#fff}
.btn-ghost{background:transparent;color:var(--navy)}
.btn-ghost:hover{background:var(--sky)}
.btn-light{background:#fff;color:var(--navy);border-color:#fff}
.btn-light:hover{background:var(--sky);color:var(--navy)}
.btn-sm{padding:8px 14px;font-size:13px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.eyebrow{display:inline-block;font-size:11px;font-weight:700;letter-spacing:1.8px;
  text-transform:uppercase;color:var(--green);margin-bottom:12px}
.eyebrow.on-dark{color:#8fe0bb}
/* hero */
.hero{background:linear-gradient(135deg,var(--navy-dark) 0%,var(--navy) 55%,var(--navy2) 100%);color:#fff;padding:66px 0 62px}
.hero h1{color:#fff;max-width:730px}
.hero .lede{color:#d5e6f2;font-size:17px;max-width:680px;line-height:1.7}
.hero-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:52px;align-items:start}
.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);
  border-radius:8px;padding:24px 22px}
.hero-card h3{color:#fff;font-size:16px;margin-bottom:14px}
.timeline{list-style:none;margin:0;padding:0}
.timeline li{position:relative;padding:0 0 14px 20px;font-size:13px;color:#e2eef6;line-height:1.55}
.timeline li:before{content:"";position:absolute;left:0;top:7px;width:7px;height:7px;border-radius:50%;background:#8fe0bb}
.timeline li:last-child{padding-bottom:0}
.timeline b{color:#fff}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.trust-row span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  color:#eaf4fb;font-size:12.5px;padding:6px 12px;border-radius:3px}
/* bands */
.band{background:var(--mint);border-bottom:1px solid #c9e8d7;padding:16px 0}
.band .container{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.band b{color:#12603f;font-size:14px}
.band span{font-size:13.5px;color:#2f4b3f}
.section{padding:58px 0}
.section.alt{background:var(--alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:30px}
.section-head p{color:var(--muted);font-size:15.5px}
/* cards */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:7px;padding:24px;
  display:flex;flex-direction:column;transition:.18s}
.card:hover{border-color:#9dbccf;box-shadow:0 8px 24px rgba(15,61,92,.09);transform:translateY(-2px)}
.card .tag{font-size:10.5px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--green)}
.card h3{margin:9px 0 8px}
.card p{color:var(--muted);font-size:14px;flex:1}
.card ul{margin:0 0 18px;padding-left:17px;color:var(--muted);font-size:13px}
.card li{margin-bottom:3px}
.card-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
/* feature list */
.features{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 34px}
.feature{display:flex;gap:14px;align-items:flex-start}
.feature .num{flex:0 0 30px;height:30px;border-radius:50%;background:var(--sky);color:var(--navy);
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.feature p{color:var(--muted);font-size:14px;margin:0}
.feature b{color:var(--ink)}
/* content blocks */
.prose{max-width:820px}
.prose h3{margin-top:26px}
.prose p,.prose li{color:#3d4853}
.prose ul,.prose ol{padding-left:20px}
.prose li{margin-bottom:7px}
.note{background:var(--sky);border-left:3px solid var(--navy);padding:14px 18px;
  border-radius:0 4px 4px 0;font-size:14px;color:#3d4853;margin:22px 0}
/* product detail */
.crumb{font-size:12.5px;color:var(--muted);margin-bottom:18px}
.crumb a{color:var(--muted)}
.pd-hero{background:var(--alt);border-bottom:1px solid var(--line);padding:40px 0 38px}
.pd-hero h1{font-size:33px}
.pd-hero .tagline{font-size:16px;color:#3d4853;max-width:840px;margin:0 0 4px}
.chip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.chip{background:var(--sky);border:1px solid #cfe1ee;border-radius:4px;padding:13px 15px;
  font-size:13.5px;color:#2b3a46;line-height:1.5}
.chip b{color:var(--navy)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:6px}
table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:660px}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--sky);color:var(--navy);font-weight:700;font-size:12px;letter-spacing:.3px}
tr:last-child td{border-bottom:0}
td:first-child{font-weight:700;color:var(--navy);width:22%}
.cols2{display:grid;grid-template-columns:1.1fr 1fr;gap:36px}
.clean-list{list-style:none;padding:0;margin:0}
.clean-list li{position:relative;padding-left:19px;margin-bottom:9px;font-size:14px;color:#3d4853}
.clean-list li:before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
  border-radius:2px;background:#8bb9d4}
.clean-list b{color:var(--ink)}
.cta-band{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;padding:38px 0;margin-top:8px}
.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:23px;margin:0}
.cta-band p{color:#d5e6f2;margin:6px 0 0;font-size:14px}
.related{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}
.related a{font-size:13px;border:1px solid var(--line);border-radius:20px;padding:6px 14px;color:var(--navy)}
.related a:hover{background:var(--sky)}
/* forms */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.field{display:flex;flex-direction:column;gap:5px}
.field.full{grid-column:1/-1}
label{font-size:13px;font-weight:600;color:#35414c}
input,select,textarea{border:1px solid var(--line);border-radius:4px;padding:10px 12px;
  font:inherit;font-size:14px;color:var(--ink);background:#fff;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid #b9d8ea;border-color:#8bb9d4}
textarea{min-height:120px;resize:vertical}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px}
.contact-side{background:var(--alt);border:1px solid var(--line);border-radius:7px;padding:26px}
.contact-side h3{margin-top:0}
.contact-side .kv{margin-bottom:16px;font-size:14px}
.contact-side .kv b{display:block;font-size:12px;letter-spacing:.5px;text-transform:uppercase;color:var(--muted)}
/* footer */
footer{background:var(--navy-dark);color:#b9cfdd;padding:38px 0 22px;font-size:13px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;margin-bottom:26px}
footer h4{color:#fff;font-size:13px;letter-spacing:1px;text-transform:uppercase;margin:0 0 12px}
footer a{color:#c7dce9;display:block;margin-bottom:6px;font-size:13px}
footer a:hover{color:#fff}
footer p{color:#a8c0d0;margin:0;font-size:13px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:16px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#8fa9bb;font-size:12px}
@media(max-width:900px){
  .hero-grid,.cols2{grid-template-columns:1fr;gap:26px}
  .grid-3,.grid-2,.chip-grid,.features,.form-grid,.footer-grid{grid-template-columns:1fr}
  h1{font-size:30px} h2{font-size:23px}
  .nav-toggle{display:block}
  #nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--line);padding:14px 24px;flex-direction:column;align-items:flex-start;gap:14px}
  #nav.open{display:flex}
  .section{padding:42px 0}
  .hero{padding:44px 0}
}