#iseo-overlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: rgba(11, 27, 43, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
}
#iseo-overlay.iseo-open {
  opacity: 1;
  visibility: visible;
}
#iseo-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 24px 64px rgba(11, 27, 43, 0.35);
  padding: 40px 32px 32px;
  text-align: center;
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  transform: translateY(14px) scale(.97);
  transition: transform .25s ease;
}
#iseo-overlay.iseo-open #iseo-card {
  transform: translateY(0) scale(1);
}
#iseo-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 30px;
  height: 30px;
  border: none;
  background: #F1F3F7;
  color: #64748B;
  border-radius: 50%;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
#iseo-close:hover { background: #E2E8F0; }
#iseo-close svg { flex-shrink: 0; }
#iseo-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: #2F9ED0;
  margin-bottom: 10px;
}
#iseo-headline {
  font-size: 26px;
  font-weight: 800;
  color: #1B2A4A;
  line-height: 1.25;
  margin: 0 0 10px;
}
#iseo-headline span { color: #2F9ED0; }
#iseo-sub {
  font-size: 14px;
  color: #64748B;
  line-height: 1.55;
  margin: 0 0 22px;
}
#iseo-code-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #F8FBFD;
  border: 1.5px dashed #2F9ED0;
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 20px;
}
#iseo-code {
  font-family: Consolas, Monaco, monospace;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: .06em;
  color: #1B2A4A;
}
#iseo-copy {
  border: none;
  background: transparent;
  color: #2F9ED0;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}
#iseo-copy:hover { background: rgba(47,158,208,.1); }
#iseo-cta {
  display: block;
  width: 100%;
  background: #2F9ED0;
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 20px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(47,158,208,.35);
  box-sizing: border-box;
}
#iseo-cta:hover { background: #2787B5; }
#iseo-skip {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px;
  color: #94A3B8;
  text-decoration: underline;
  cursor: pointer;
  background: none;
  border: none;
}
@media (max-width: 420px) {
  #iseo-card { padding: 32px 22px 26px; }
  #iseo-headline { font-size: 22px; }
}