:root{--bg:#0b0d10;--surface:#111318;--elev:#151922;--primary:#1f6feb;--accent:#00c2ff;--text:#e6e8eb;--muted:#a7abb1;--success:#2ecc71;--danger:#e74c3c;--warning:#f39c12}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-9999px;top:-9999px}
.skip-link:focus{left:20px;top:20px;background:var(--primary);color:#fff;padding:10px 14px;border-radius:8px;z-index:1000}
.site-header{position:sticky;top:0;background:rgba(11,13,16,.8);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid rgba(255,255,255,.06);z-index:999}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:700;letter-spacing:.2px;color:#fff;text-decoration:none;font-size:20px}
.nav-toggle{display:none;background:var(--elev);color:#fff;border:1px solid rgba(255,255,255,.1);height:40px;border-radius:10px;padding:0 14px}
.site-nav ul{display:flex;gap:18px;list-style:none;margin:0;padding:0}
.site-nav a{display:block;padding:10px 12px;border-radius:10px;color:#fff;text-decoration:none}
.site-nav a:hover{background:rgba(255,255,255,.06)}
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 400px at 10% -10%,rgba(31,111,235,.25),transparent),radial-gradient(800px 400px at 90% -10%,rgba(0,194,255,.25),transparent),linear-gradient(180deg,rgba(21,25,34,1),rgba(11,13,16,1))}
.hero .container{padding:80px 20px}
.hero-title{font-size:40px;line-height:1.1;margin:0 0 12px}
.hero-sub{color:var(--muted);max-width:800px;margin-bottom:26px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 18px;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:var(--elev);color:#fff;text-decoration:none;font-weight:600}
.btn-primary{background:linear-gradient(90deg,var(--primary),var(--accent));border:none}
.btn-outline{background:transparent}
.section{padding:64px 0;border-top:1px solid rgba(255,255,255,.06)}
.section .title{font-size:26px;margin:0 0 18px}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--elev);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:20px}
.card h3{margin-top:0;font-size:20px}
.muted{color:var(--muted)}
.list{margin:0;padding-left:20px}
.list li{margin:8px 0}
.faq{max-width:900px;margin:0 auto}
.faq-item{border:1px solid rgba(255,255,255,.08);border-radius:14px;margin-bottom:10px;overflow:hidden;background:var(--elev)}
.faq-q{padding:16px;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-a{padding:0 16px;height:0;overflow:hidden;transition:height .3s ease}
.faq-item.active .faq-a{padding:16px;height:auto}
.site-footer{background:var(--surface);border-top:1px solid rgba(255,255,255,.08);margin-top:64px}
.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:32px 0}
.footer-title{font-weight:700;margin-bottom:8px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links a{color:#fff;text-decoration:none}
.footer-links a:hover{text-decoration:underline}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid rgba(255,255,255,.08);padding:14px 0;color:var(--muted)}
.lead{font-size:18px}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:rgba(31,111,235,.2);color:#cfe3ff;font-weight:600}
.split{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
.feature{display:flex;gap:14px;align-items:flex-start}
.feature .icon{width:42px;height:42px;border-radius:12px;background:linear-gradient(90deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
.quote{background:var(--elev);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:16px}
.cta{background:linear-gradient(180deg,rgba(31,111,235,.15),rgba(0,0,0,0));border:1px solid rgba(255,255,255,.08);border-radius:18px;padding:20px}
.form{max-width:720px}
.field{margin-bottom:14px}
.field label{display:block;margin-bottom:6px}
.input{width:100%;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:var(--surface);color:#fff;padding:0 12px}
.textarea{width:100%;min-height:140px;border-radius:10px;border:1px solid rgba(255,255,255,.12);background:var(--surface);color:#fff;padding:10px 12px}
.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px}
.alert-success{background:rgba(46,204,113,.15);border:1px solid rgba(46,204,113,.4);color:#c9f6dc}
.alert-error{background:rgba(231,76,60,.15);border:1px solid rgba(231,76,60,.4);color:#f8d1cc}
.breadcrumbs{color:var(--muted);font-size:14px;margin-bottom:12px}
.breadcrumbs a{color:#fff;text-decoration:none}
.blog-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.blog-card{background:var(--elev);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:16px;display:flex;flex-direction:column}
.blog-card .title{font-size:20px;margin:0 0 6px}
.blog-card .desc{color:var(--muted);margin-bottom:12px;flex:1}
.blog-card .meta{color:var(--muted);font-size:13px}
.tag{display:inline-block;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:6px 10px;margin-right:8px;font-size:12px}
.article{max-width:860px;margin:0 auto}
.article header{margin-bottom:18px}
.article .meta{color:var(--muted);font-size:14px}
.article .share{display:flex;gap:10px;margin-top:16px}
.article .share a{color:#fff;text-decoration:none}
@media (max-width:960px){
 .grid-3{grid-template-columns:1fr 1fr}
 .blog-list{grid-template-columns:1fr 1fr}
 .split{grid-template-columns:1fr}
}
@media (max-width:680px){
 .site-nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--surface);border-bottom:1px solid rgba(255,255,255,.08)}
 .site-nav.open{display:block}
 .site-nav ul{flex-direction:column;padding:12px}
 .nav-toggle{display:inline-flex}
 .grid-2,.grid-3{grid-template-columns:1fr}
 .blog-list{grid-template-columns:1fr}
 .hero-title{font-size:32px}
}