:root{
  --bg:#ffffff;--card:#ffffff;--fg:#101114;--muted:#5b616e;--brand:#111111;
  --brand-ink:#ffffff;--accent:#111111;--ring:rgba(17,17,17,.08);
}
*{box-sizing:border-box}html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--fg);background:#ffffff;line-height:1.6}
a{color:#111}a:hover{opacity:.9}
.container{width:100%;max-width:1100px;margin:0 auto;padding:0 16px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:#ffffffcc;backdrop-filter: blur(8px);border-bottom:1px solid #eceff4}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.logo-wrap{display:inline-flex;align-items:center;gap:10px}
.logo-img{height:26px;width:auto;display:none}
.logo-svg{height:26px;width:auto;display:inline-block}
.logo-loaded .logo-img{display:block}
.logo-loaded .logo-svg{display:none}
.nav{display:none;gap:18px;align-items:center}
.nav a{text-decoration:none;color:#111}
.hamburger{width:44px;height:44px;border:1px solid #e5e7eb;border-radius:10px;background:#ffffff;display:inline-flex;align-items:center;justify-content:center;gap:4px;cursor:pointer}
.hamburger span{display:block;width:18px;height:2px;background:#111;border-radius:2px}
.mobile-menu{display:flex;flex-direction:column;padding:8px 16px;border-bottom:1px solid #eceff4;background:#fff}
.mobile-menu a{padding:12px 8px;border-radius:10px;color:#111;text-decoration:none}
.mobile-menu .btn{display:inline-block;margin:8px 0}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:12px;border:1px solid #e5e7eb;text-decoration:none;font-weight:600}
.btn-lg{padding:14px 18px;border-radius:14px}
.btn-primary{background:#FFD54A;color:#ffffff;border-color:#FFD54A;transition:background .2s ease-in-out, transform .1s ease-in-out}
.btn-primary:hover{background:#f5c93e;transform:translateY(-1px)}
.btn-ghost{background:#f8f9fb;color:#111;border-color:#e5e7eb}
.btn-inline{padding:6px 10px;border-radius:10px;background:#f8f9fb;border-color:#e5e7eb}

/* Hero */
.hero{padding:56px 0;background:#ffffff}
.hero-inner{display:grid;grid-template-columns:1fr;gap:16px}
.hero-copy h1{font-size:clamp(28px,5vw,44px);line-height:1.1;margin:0 0 12px}
.lead{font-size:clamp(16px,2.6vw,18px);color:#333;margin:0 0 8px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}

/* Main content */
.content{padding:28px 0 56px}
.prose{background:var(--card);padding:22px;border:1px solid #eceff4;border-radius:16px}
.prose h2{margin-top:22px}
.prose h3{margin-top:18px}
.prose ol{padding-left:22px}
.promo{margin:16px 0;padding:14px 16px;border-radius:12px;background:#f9fafb;border:1px dashed #e5e7eb}
.prose .doc-image{margin:12px 0}
.prose .doc-image img{width:100%;height:auto;border-radius:12px;border:1px solid #eee}

/* Footer */
.site-footer{border-top:1px solid #eceff4;background:#fafbfc;margin-top:36px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:24px;padding:28px 0}
.site-footer h4{margin:0 0 6px;font-size:14px;color:#111}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:6px 0}
.site-footer a{text-decoration:none;color:#111}
.foot-note{color:#333;margin-top:8px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #eceff4;padding:12px 0;color:#444}

/* Responsive */
@media (min-width: 860px){
  .nav{display:flex}
  .hamburger{display:none}
  .mobile-menu{display:none !important}
  .hero{padding:72px 0}
  .hero-inner{grid-template-columns:1.2fr .8fr}
  .prose{padding:28px}
  .footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}
}


/* V5 mobile header: only logo centered */
@media (max-width: 859px){
  .nav, .hamburger, .mobile-menu{display:none!important}
  .site-header .header-inner{justify-content:center}
}