:root{
  --cta-bg:#0b1220; --cta-fg:#eaf2ff; --cta-accent:#39d353; --cta-accent-2:#4da3ff;
  --cta-muted:#a6b0c3; --cta-border:rgba(255,255,255,.12); --cta-shadow:0 10px 25px rgba(0,0,0,.25);
  --cta-radius:16px; --cta-font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", "Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";
}
@media (prefers-color-scheme: light){
  :root{ --cta-bg:#fff; --cta-fg:#0b1220; --cta-accent:#16a34a; --cta-accent-2:#2563eb;
    --cta-muted:#475569; --cta-border:rgba(2,6,23,.12); --cta-shadow:0 10px 25px rgba(2,6,23,.12); }
}
.cta-reset, .cta-reset *{ box-sizing:border-box }
.cta-card{ font-family:var(--cta-font); background:var(--cta-bg); color:var(--cta-fg); border:1px solid var(--cta-border);
  border-radius:var(--cta-radius); box-shadow:var(--cta-shadow); padding:20px; display:flex; gap:16px; align-items:flex-start }
.cta-icon{ width:44px;height:44px;border-radius:12px; display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cta-accent),var(--cta-accent-2)); color:#fff; font-weight:700 }
.cta-content{ flex:1; min-width:0 }
.cta-title{ font-size:18px; font-weight:800; line-height:1.2; margin:0 0 6px }
.cta-desc{ font-size:14px; color:var(--cta-muted); margin:0 0 12px }
.cta-actions{ display:flex; gap:10px; flex-wrap:wrap }
.cta-btn{ appearance:none; border:0; cursor:pointer; border-radius:12px; padding:10px 14px; font-weight:700; font-size:14px; line-height:1;
  text-decoration:none; display:inline-flex; align-items:center; gap:8px }
.cta-btn.primary{ background:var(--cta-accent); color:#06110a }
.cta-btn.ghost{ background:transparent; color:var(--cta-fg); border:1px solid var(--cta-border) }
.cta-smallprint{ font-size:12px; color:var(--cta-muted); margin-top:8px }
.cta-badge{ font-size:11px; padding:4px 8px; border-radius:999px; background:rgba(57,211,83,.15); color:var(--cta-accent); font-weight:700 }
.cta-sticky{ position:fixed; left:16px; right:16px; bottom:16px; z-index:9999 }
.cta-sticky .cta-card{ border-radius:20px; padding:16px; align-items:center }
.cta-ribbon{ position:sticky; top:0; z-index:9998; margin:-8px -8px 12px -8px }
.cta-ribbon .cta-card{ border-radius:0; box-shadow:none }
.cta-modal-backdrop{ position:fixed; inset:0; background:rgba(0,0,0,.6); display:none; z-index:10000 }
.cta-modal{ position:fixed; inset:0; display:none; place-items:center; z-index:10001 }
.cta-modal .cta-card{ width:min(640px,92vw) }
.cta-close{ margin-left:auto; background:transparent; color:var(--cta-muted); border:1px solid var(--cta-border); border-radius:10px; padding:6px 10px }
@media (max-width:520px){ .cta-actions{ flex-direction:column; align-items:stretch } }