:root{
  --gc-promo-ink:#172433;
  --gc-promo-muted:#667085;
  --gc-promo-blue:#0987e8;
  --gc-promo-cyan:#00c7d9;
  --gc-promo-line:#e7edf5;
}
.gc-promo-lock{overflow:hidden;}
.gc-promo-overlay{
  position:fixed;
  inset:0;
  z-index:2147483000;
  display:grid;
  place-items:center;
  padding:22px;
  background:rgba(10,18,28,.66);
  backdrop-filter:blur(8px);
  opacity:0;
  pointer-events:none;
  transition:opacity .22s ease;
}
.gc-promo-overlay.is-visible{opacity:1;pointer-events:auto;}
.gc-promo-dialog{
  position:relative;
  display:grid;
  grid-template-columns:minmax(220px,.92fr) minmax(0,1.08fr);
  width:min(900px,100%);
  max-height:min(88vh,760px);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.56);
  border-radius:22px;
  color:var(--gc-promo-ink);
  background:#fff;
  box-shadow:0 28px 90px rgba(0,0,0,.28);
  transform:translateY(18px) scale(.98);
  transition:transform .24s ease;
}
.gc-promo-overlay.is-visible .gc-promo-dialog{transform:translateY(0) scale(1);}
.gc-promo-media{min-height:100%;background:linear-gradient(135deg,#eff9ff,#f7fbff);}
.gc-promo-media img{display:block;width:100%;height:100%;min-height:420px;object-fit:cover;}
.gc-promo-content{display:flex;flex-direction:column;gap:16px;padding:34px;}
.gc-promo-kicker{display:inline-flex;align-self:flex-start;gap:8px;align-items:center;padding:7px 11px;border-radius:999px;background:#e8f9ff;color:#075fa8;font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.08em;}
.gc-promo-title{margin:0;font-size:clamp(28px,4vw,46px);line-height:1.02;font-weight:900;letter-spacing:0;color:#102033;}
.gc-promo-description{margin:0;color:#4a5a6c;font-size:16px;line-height:1.62;white-space:pre-line;}
.gc-promo-countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:2px 0 4px;}
.gc-promo-countdown span{display:grid;gap:2px;place-items:center;min-width:0;padding:10px 6px;border:1px solid var(--gc-promo-line);border-radius:12px;background:#f7fbff;color:#0c2840;font-weight:900;}
.gc-promo-countdown small{color:var(--gc-promo-muted);font-size:10px;text-transform:uppercase;font-weight:800;}
.gc-promo-coupon{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;padding:14px;border:1px dashed rgba(9,135,232,.55);border-radius:16px;background:linear-gradient(135deg,rgba(0,199,217,.09),rgba(9,135,232,.08));}
.gc-promo-coupon small{display:block;color:#075fa8;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.1em;}
.gc-promo-code{display:block;margin-top:3px;color:#0f172a;font-size:26px;font-weight:950;letter-spacing:.08em;word-break:break-word;}
.gc-promo-copy,.gc-promo-action{min-height:44px;border:0;border-radius:8px;padding:0 16px;font-weight:900;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;}
.gc-promo-copy{color:#fff;background:linear-gradient(135deg,var(--gc-promo-cyan),var(--gc-promo-blue));box-shadow:0 12px 26px rgba(9,135,232,.2);}
.gc-promo-copy:hover,.gc-promo-action:hover{transform:translateY(-1px);}
.gc-promo-action{display:inline-flex;align-items:center;justify-content:center;align-self:flex-start;color:#fff;text-decoration:none;background:#172433;}
.gc-promo-close{position:absolute;top:14px;right:14px;display:grid;place-items:center;width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.92);color:#172433;font-size:28px;line-height:1;cursor:pointer;box-shadow:0 8px 22px rgba(0,0,0,.12);}
.gc-promo-toast{min-height:20px;color:#13734f;font-size:13px;font-weight:800;}
@media (max-width: 760px){
  .gc-promo-overlay{padding:14px;align-items:end;}
  .gc-promo-dialog{grid-template-columns:1fr;width:100%;max-height:92vh;border-radius:20px;overflow:auto;}
  .gc-promo-media img{height:210px;min-height:0;}
  .gc-promo-content{padding:24px;gap:13px;}
  .gc-promo-title{font-size:30px;}
  .gc-promo-coupon{grid-template-columns:1fr;}
  .gc-promo-copy{width:100%;}
}
@media (prefers-reduced-motion: reduce){
  .gc-promo-overlay,.gc-promo-dialog,.gc-promo-copy,.gc-promo-action{transition:none;}
}