:root{
  --bg:#f5f8fd;
  --card:#ffffff;
  --border:#dbe5f2;
  --text:#102243;
  --muted:#5c6f92;
  --primary:#2563eb;
  --primary-dark:#1647b8;
  --primary-soft:#e9f0ff;
  --shadow:0 20px 48px rgba(16,34,67,.08);
  --radius:28px;
  --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(180deg,#f7faff 0%,#eef4fc 100%);color:var(--text)}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(16px);border-bottom:1px solid rgba(219,229,242,.9)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:78px}
.brand{display:flex;align-items:center}
.brand-logo{height:78px;width:auto;max-width:420px}
.main-nav{display:flex;gap:24px;margin-left:auto}
.main-nav a{font-weight:600;color:#294266}
.nav-actions{display:flex;gap:12px}
.nav-toggle{display:none;border:0;background:none;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:#213861;margin:5px 0;border-radius:999px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;padding:14px 24px;font-weight:700;transition:.25s ease;border:1px solid transparent;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,#2b6ef4,#1d4ed8);color:#fff;box-shadow:0 12px 28px rgba(37,99,235,.28)}
.btn-primary:hover{background:linear-gradient(135deg,#1e5de0,#1746c8)}
.btn-secondary{background:#fff;border-color:var(--border);color:var(--text)}
.btn-ghost{background:rgba(255,255,255,.78);border-color:rgba(255,255,255,.25);color:#fff}
.btn-small{padding:10px 16px;font-size:14px}

.hero{padding:42px 0 22px}
.hero-card{position:relative;overflow:hidden;border-radius:36px;background:#0c1f41 url('../images/hero-tech-bg.svg') center/cover no-repeat;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.08)}
.hero-card::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,18,39,.78) 0%,rgba(8,18,39,.62) 42%,rgba(8,18,39,.12) 100%)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr);gap:24px;padding:48px}
.hero-copy{position:relative;z-index:1;max-width:780px}
.eyebrow,.tiny-label{display:inline-flex;align-items:center;padding:10px 14px;border-radius:999px;font-weight:700;font-size:14px;letter-spacing:.01em;background:rgba(255,255,255,.12);color:#cfe3ff;border:1px solid rgba(255,255,255,.15)}
.hero h1{margin:18px 0 16px;font-size:clamp(38px,5vw,76px);line-height:.96;color:#fff;letter-spacing:-.04em;max-width:10ch}
.hero p{max-width:720px;font-size:19px;line-height:1.7;color:#d7e5ff}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:36px}
.hero-stats div{padding:18px 20px;border-radius:20px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.11);backdrop-filter:blur(10px)}
.hero-stats strong{display:block;font-size:30px;color:#fff}
.hero-stats span{display:block;margin-top:6px;color:#cfe0ff;font-size:15px;line-height:1.5}
.hero-side{display:flex;align-items:flex-end}
.hero-panel{width:100%;padding:24px;border-radius:28px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(12px)}
.hero-panel h2{margin:12px 0 8px;color:#fff;font-size:28px}
.hero-panel p{margin:0;color:#dbe7ff;font-size:16px}
.hero-highlights{display:grid;gap:12px;margin:22px 0 0;padding:0;list-style:none}
.hero-highlights li{padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.08);color:#f4f8ff;border:1px solid rgba(255,255,255,.10)}

.section{padding:24px 0 20px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:24px}
.section-head h2{margin:10px 0 10px;font-size:clamp(32px,3vw,48px);line-height:1.08;letter-spacing:-.03em}
.section-head p{max-width:760px;margin:0;color:var(--muted);font-size:17px;line-height:1.7}
.compact h2{font-size:clamp(30px,3vw,42px)}

.trust-strip{padding-top:10px}
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.trust-grid div{padding:20px 22px;border-radius:24px;background:#fff;border:1px solid var(--border);box-shadow:0 10px 30px rgba(20,40,80,.05)}
.trust-grid span{display:block;color:#6a81a8;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.trust-grid strong{display:block;margin-top:6px;font-size:18px;color:var(--text)}

.toolbar{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap;margin-bottom:24px}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap}
.filter-btn{padding:12px 18px;border-radius:999px;border:1px solid var(--border);background:#fff;color:#294266;font-weight:700;cursor:pointer}
.filter-btn.is-active,.filter-btn:hover{background:var(--primary-soft);color:var(--primary);border-color:#c7d6ff}
.search-box input{width:min(320px,88vw);padding:14px 16px;border-radius:16px;border:1px solid var(--border);background:#fff;font:inherit;color:var(--text)}
.search-box input:focus,.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{outline:2px solid rgba(37,99,235,.14);border-color:#86a8ff}

.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.product-card{display:flex;flex-direction:column;min-height:100%;padding:18px;border-radius:28px;background:var(--card);border:1px solid var(--border);box-shadow:0 14px 36px rgba(16,34,67,.06)}
.product-image-link{display:block}
.product-image-wrap{height:220px;padding:18px;border-radius:22px;background:#fff;border:1px solid #e8eef7;display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-image-wrap img{max-width:100%;max-height:100%;object-fit:contain;transition:transform .25s ease}
.product-image-link:hover img{transform:scale(1.03)}
.product-badge{display:inline-flex;align-items:center;padding:10px 14px;border-radius:999px;background:var(--primary-soft);color:#2854a4;font-weight:700;font-size:14px;margin:16px 0 12px;width:max-content}
.product-header{min-height:96px}
.product-header h3{margin:0 0 8px;font-size:18px}
.product-type{margin:0;color:#234b91;font-size:18px;font-weight:700;line-height:1.45;min-height:54px}
.product-summary{color:var(--muted);line-height:1.7;margin:6px 0 18px;min-height:114px}
.product-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:auto}
.meta-box{padding:14px 12px;border-radius:18px;background:#f4f8ff}
.meta-box span{display:block;color:#7488aa;font-size:13px;margin-bottom:6px}
.meta-box strong{display:block;font-size:14px;line-height:1.5}
.product-actions{display:flex;gap:10px;margin-top:16px}
.product-actions .btn{width:100%}

.solution-grid,.why-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.solution-card,.why-grid article{padding:24px;border-radius:28px;background:#fff;border:1px solid var(--border);box-shadow:0 14px 32px rgba(16,34,67,.05)}
.solution-card h3,.why-grid h3{margin:0 0 12px;font-size:20px}
.solution-card p,.why-grid p{margin:0;color:var(--muted);line-height:1.75}

.platform-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:24px;align-items:center;padding:30px;border-radius:32px;background:#0c1f41 url('../images/hero-tech-bg.svg') center/cover no-repeat;border:1px solid rgba(255,255,255,.06);box-shadow:var(--shadow)}
.platform-grid > div:first-child h2,.platform-grid > div:first-child p,.platform-grid .eyebrow{color:#fff}
.platform-grid > div:first-child p{color:#d6e4ff;max-width:720px;line-height:1.75}
.platform-points{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.platform-points span{display:flex;align-items:center;justify-content:center;min-height:72px;padding:14px;border-radius:18px;background:rgba(255,255,255,.09);color:#fff;font-weight:700;border:1px solid rgba(255,255,255,.12);text-align:center}

.contact-wrap{display:grid;grid-template-columns:minmax(0,.84fr) minmax(0,1.16fr);gap:24px;align-items:stretch}
.contact-copy,.contact-form{padding:28px;border-radius:32px;background:#fff;border:1px solid var(--border);box-shadow:0 16px 42px rgba(16,34,67,.06)}
.contact-copy h2{margin:12px 0 12px;font-size:clamp(30px,3vw,44px);line-height:1.08}
.contact-copy p{margin:0;color:var(--muted);line-height:1.75}

.contact-trust,.footer-trust{display:flex;gap:10px;flex-wrap:wrap}
.contact-trust{margin:20px 0 2px}
.contact-trust span,.footer-trust span{padding:10px 14px;border-radius:999px;background:#edf3ff;color:#2550a2;font-size:14px;font-weight:700}
.footer-trust{margin-top:2px}
.contact-points{display:grid;gap:12px;margin:22px 0}
.contact-points a{display:flex;align-items:center;gap:10px;padding:14px 16px;border-radius:18px;background:#f4f8ff;color:#1c407f;font-weight:700;border:1px solid #dce7fb}
.contact-chips{display:flex;gap:10px;flex-wrap:wrap}
.contact-chips span{padding:10px 14px;border-radius:999px;background:#edf3ff;color:#2550a2;font-size:14px;font-weight:700}
.contact-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.contact-form label{display:grid;gap:10px;font-weight:700;color:#223456}
.contact-form input,.contact-form textarea,.contact-form select{width:100%;padding:15px 16px;border-radius:16px;border:1px solid var(--border);background:#fff;font:inherit;color:var(--text)}
.contact-form textarea{resize:vertical;min-height:152px}
.contact-form .full{grid-column:1/-1}
.form-actions{grid-column:1/-1;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.contact-direct-link{font-weight:700;color:#2550a2;text-decoration:underline;text-underline-offset:3px}
.contact-direct-link:hover{color:#1d4ed8}
.form-status{grid-column:1/-1;margin:0;color:#49607f;font-size:14px;line-height:1.6}
.form-status.is-success{color:#10723f}
.form-status.is-error{color:#b3261e}

.site-footer{padding:10px 0 40px}
.footer-wrap{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:24px 28px;border-radius:28px;background:#fff;border:1px solid var(--border)}
.footer-brand{display:grid;gap:12px;max-width:520px}
.footer-logo{height:72px;width:auto;max-width:400px}
.footer-brand p{margin:0;color:var(--muted);line-height:1.7}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;font-weight:700;color:#294266}

.back-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border:0;border-radius:50%;background:#2563eb;color:#fff;font-size:22px;cursor:pointer;box-shadow:0 14px 28px rgba(37,99,235,.28);opacity:0;visibility:hidden;transition:.25s ease;z-index:40}
.back-top.is-visible{opacity:1;visibility:visible}

.detail-main{padding:26px 0 44px}
.breadcrumbs{display:flex;gap:10px;align-items:center;color:#5d7192;font-weight:600;font-size:14px;margin:4px 0 18px}
.detail-shell{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:28px}
.detail-media,.detail-card,.detail-section{padding:28px;border-radius:32px;background:#fff;border:1px solid var(--border);box-shadow:0 16px 42px rgba(16,34,67,.06)}
.detail-media{display:flex;align-items:center;justify-content:center;min-height:520px;background:#fff}
.detail-media img{max-width:100%;max-height:430px;object-fit:contain}
.detail-card .eyebrow{background:#edf3ff;color:#2550a2;border-color:#dbe5f2}
.detail-card h1{margin:14px 0 10px;font-size:clamp(34px,4vw,58px);letter-spacing:-.04em;line-height:1.02}
.detail-card h2{margin:0 0 14px;font-size:26px;color:#244b94}
.detail-card p{margin:0;color:var(--muted);line-height:1.8;font-size:17px}
.detail-quick{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:24px 0}
.detail-section{margin-top:22px}
.detail-section h3{margin:0 0 14px;font-size:24px}
.detail-section ul{margin:0;padding-left:18px;color:var(--muted);line-height:1.9}
.detail-apps{display:flex;gap:12px;flex-wrap:wrap}
.detail-apps span{padding:12px 16px;border-radius:999px;background:#eef4ff;color:#2350a1;font-weight:700}
.detail-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}

@media (max-width:1140px){
  .product-grid,.solution-grid,.why-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-grid,.detail-shell,.contact-wrap,.platform-grid{grid-template-columns:1fr}
  .main-nav{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .nav-actions{display:none}
  .nav-wrap.is-open .main-nav{position:absolute;top:78px;left:16px;right:16px;display:grid;gap:10px;background:#fff;border:1px solid var(--border);padding:16px;border-radius:20px;box-shadow:var(--shadow)}
  .nav-wrap.is-open .nav-actions{display:flex;position:absolute;top:calc(78px + 220px);left:16px;right:16px;background:#fff;padding:12px 16px 16px;border:1px solid var(--border);border-top:0;border-radius:0 0 20px 20px}
}
@media (max-width:760px){
  .container{width:min(var(--max),calc(100% - 20px))}
  .hero-grid,.platform-grid,.contact-wrap,.detail-shell{gap:20px}
  .hero-grid{padding:22px}
  .hero h1{font-size:50px}
  .hero p{font-size:17px}
  .hero-stats{grid-template-columns:1fr}
  .trust-grid,.product-grid,.solution-grid,.why-grid,.platform-points{grid-template-columns:1fr}
  .contact-form,.detail-quick{grid-template-columns:1fr}
  .product-header{min-height:auto}
  .product-type,.product-summary{min-height:0}
  .footer-wrap{flex-direction:column;align-items:flex-start}
  .product-actions{flex-direction:column}
}

@media (max-width:760px){
  .brand-logo{height:58px;max-width:320px}
  .footer-logo{height:58px;max-width:320px}
}