:root{
  --bg:#ffffff;
  --text:#101114;
  --muted:#6b7280;
  --border:#e5e7eb;
  --primary:#16a34a; /* green */
  --primary-600:#059669;
  --ghost:#f1f5f9;
  --shadow: 0 8px 40px rgba(2,6,23,.08);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, "Helvetica Neue", Arial, "Apple Color Emoji","Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  font-size:16px;
}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.grid-3{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
@media(max-width:980px){.grid-2,.grid-3{grid-template-columns:1fr}}

.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)
}
.site-header .container{display:flex;align-items:center;gap:18px;padding:14px 20px}
.brand img{height:28px}
.main-nav{display:flex;gap:14px;flex:1;align-items:center}
.nav-link{padding:8px 10px;border-radius:12px;text-decoration:none;color:#111827;font-weight:500}
.nav-link.active,.nav-link:hover{background:var(--ghost)}
.header-cta{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:999px;text-decoration:none;font-weight:600;border:1px solid transparent;box-shadow:none;transition:.2s ease}
.btn-primary{background:var(--primary);color:white}
.btn-primary:hover{background:var(--primary-600)}
.btn-ghost{background:transparent;border-color:var(--border);color:#111827}
.btn-ghost:hover{background:var(--ghost)}
.lang{position:relative}
.lang-btn{border:1px solid var(--border);background:#fff;padding:8px 12px;border-radius:12px;cursor:pointer}
.lang-menu{position:absolute;top:42px;right:0;list-style:none;margin:0;padding:8px;border:1px solid var(--border);border-radius:12px;background:#fff;box-shadow:var(--shadow);display:none;min-width:160px}
.lang-menu a{display:block;padding:8px 10px;border-radius:8px;text-decoration:none;color:#111827}
.lang-menu a:hover{background:var(--ghost)}
.lang-menu .disabled{pointer-events:none;opacity:.5}
.menu-toggle{display:none;background:transparent;border:none;font-size:22px}
@media(max-width:860px){
  .main-nav{display:none}
  .menu-toggle{display:inline-flex}
}

.hero{padding:70px 0}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center}
.hero h1{font-size:46px;line-height:1.1;margin:0 0 12px}
.hero p.lead{font-size:18px;color:#334155;margin:0 0 20px}
.hero .card{background:#fff;border:1px solid var(--border);border-radius:24px;padding:22px;box-shadow:var(--shadow)}
.hero img.banner{width:100%;height:auto;border-radius:18px;border:1px solid var(--border)}

.section{padding:50px 0;border-top:1px solid var(--border)}
.section h2{font-size:28px;margin:0 0 12px}
.section p{margin:12px 0}
.section .features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:960px){.section .features{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:var(--shadow)}
.kicker{display:inline-block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);font-weight:700;margin-bottom:8px}

.table{width:100%;border-collapse:separate;border-spacing:0;text-align:left;margin:10px 0 20px}
.table th,.table td{padding:12px 14px;border-bottom:1px solid var(--border)}
.table thead th{position:sticky;top:0;background:#fff}
.table tr:hover td{background:#fafafa}

.faq{border-top:1px solid var(--border);margin-top:16px}
.faq details{border-bottom:1px solid var(--border);padding:14px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq p{margin:12px 0}

.banner-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;background:linear-gradient(180deg,#f8fff9,#fff);border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:var(--shadow)}

.site-footer{margin-top:40px;border-top:1px solid var(--border);background:#fff}
.site-footer .container{padding:26px 20px}
.footer-logo{height:26px;margin-bottom:6px}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin:6px 0}
.footer-links a{text-decoration:none;color:#111827}
.muted{color:var(--muted)}
.footnote{padding:10px 0;border-top:1px solid var(--border);text-align:center;color:#6b7280}
blockquote{margin:12px 0;padding-left:14px;border-left:4px solid var(--primary);color:#374151}

kbd{background:#111827;color:#fff;padding:2px 6px;border-radius:6px;font-size:14px}
.code{font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}
.alert{padding:12px 14px;border:1px solid var(--border);border-left-width:6px;border-radius:12px;background:#fff}
.alert-warning{border-left-color:#f59e0b}
.alert-info{border-left-color:#3b82f6}