:root{
  --bg:#0a0f15; --card:#0f172a; --text:#ffffff; --muted:#eaecef;
  --brand:#f5c542; --accent:#ffe79a; --border:#324155;
}
html,body{background:var(--bg); color:var(--text)}
/* Site-wide background image with brightness lift */
body::before{
  content:""; position:fixed; inset:0; z-index:-1;
  background-image:
    linear-gradient(180deg, rgba(255,255,255,.24), rgba(255,255,255,.14)),
    radial-gradient(60% 45% at 50% 18%, rgba(245,215,110,.18), rgba(0,0,0,0) 60%),
    url('../img/background-modern-ai-cyber.png');
  background-size:100% 100%, 100% 100%, cover;
  background-position:center, center, center;
  background-repeat:no-repeat;
  background-blend-mode:screen, screen, normal;
}
/* Header / nav tweaks compatible with Astra */
.site-header, .main-header-bar{background:rgba(11,15,20,.85)!important; border-bottom:1px solid var(--border)}
.main-header-menu a{color:#fff}
.main-header-menu a:hover{background:rgba(255,255,255,.10); border-radius:10px}
/* Buttons */
.wp-block-button__link, .ast-button, .button, button, input[type=submit]{
  background:linear-gradient(92deg,var(--brand),var(--accent))!important;
  color:#0b0f14!important; border:none; border-radius:14px; padding:.7rem 1rem;
  box-shadow:0 10px 26px rgba(245,197,66,.28); transition:transform .15s ease, box-shadow .2s ease, opacity .2s ease;
}
.wp-block-button__link:hover, .ast-button:hover, .button:hover, button:hover, input[type=submit]:hover{
  transform:translateY(-1px); box-shadow:0 14px 30px rgba(245,197,66,.36); opacity:.99;
}
/* Cards / sections */
.ast-container .wp-block-group, .ast-container .wp-block-columns, .entry-content .wp-block-group{
  border-radius:16px; border:1px solid rgba(255,255,255,.08); background:rgba(16,24,40,.90);
  box-shadow:0 12px 32px rgba(0,0,0,.28); padding:18px;
}
/* Text + links */
a{color:var(--accent)}
a:hover{text-decoration:underline}
/* Footer */
.site-footer{background:rgba(11,15,20,.70)!important; color:#f5f7fa}