:root{
  --ink:#111827; --muted:#4b5563; --line:#e5e7eb; --sky:#0284c7; --bg-soft:#f0f9ff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff}
.container{max-width:1120px;margin:0 auto;padding:0 16px}
header.sticky{position:sticky;top:0;z-index:40;backdrop-filter:saturate(180%) blur(6px);background:linear-gradient(90deg,var(--bg-soft),#fff);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:12px;cursor:pointer;user-select:none}
.brand-badge{height:36px;width:36px;border-radius:16px;background:var(--sky);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.brand small{display:block;color:#6b7280;font-size:12px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:16px;border:1px solid transparent;background:var(--sky);color:#fff;font-size:14px;font-weight:600;text-decoration:none}
.btn:hover{background:#0369a1}
.link{font-weight:600;text-decoration:underline;text-underline-offset:3px;color:var(--ink)}
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--bg-soft),#fff)}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:900px){.grid-2{grid-template-columns:1fr}}
.h1{font-size:40px;font-weight:700;letter-spacing:-.5px;margin:0}
.lead{color:var(--muted);max-width:680px}
.section{padding:80px 0}
.section.muted{background:#f9fafb;border-top:1px solid var(--line)}
.section.sky{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.h2{font-size:28px;font-weight:700;color:#0369a1;letter-spacing:-.2px;margin:0}
.card{border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.04)}
.card .content{padding:24px}
.list{margin:8px 0 0 18px;color:var(--muted);font-size:14px}
.footer{padding:24px 0;background:var(--bg-soft);border-top:1px solid var(--line);color:#4b5563;font-size:14px}
.hero-img{width:100%;border-radius:16px;box-shadow:0 8px 20px rgba(0,0,0,.06)}
.badge-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px;color:#374151;font-size:14px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:#eef2ff;color:#3730a3;font-weight:600}
.stat{margin-top:6px;font-size:14px;color:#374151}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-btn{background:none;border:none;cursor:pointer;color:#374151;font-size:14px}
/* mobile nav minimal */
.mobile-only{display:none}@media(max-width:900px){.mobile-only{display:block}.desktop-only{display:none}}
.contact{background:#111827;color:#fff}
.contact .muted{color:#d1d5db}
.contact .box{border:1px solid rgba(255,255,255,.15);border-radius:16px;padding:24px;background:rgba(255,255,255,.05)}
.input{padding:12px 16px;border-radius:16px;border:1px solid #e5e7eb}
textarea.input{min-height:120px}
.flex{display:flex;gap:12px;flex-wrap:wrap}
.divider{margin:0 6px}