body {
  min-height: 100vh;
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #191e2c;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.main-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: linear-gradient(135deg, #161927 0%, #284173 60%, #e63946 100%);
  filter: blur(6px) brightness(0.8);
}
.glass-card {
  z-index: 1;
  position: relative;
  max-width: 410px;
  width: 96vw;
  margin: 48px auto;
  background: rgba(32,40,60,0.88);
  border-radius: 18px;
  box-shadow: 0 10px 44px #0005;
  padding: 44px 34px 36px 34px;
  text-align: center;
  backdrop-filter: blur(8px);
  border: 1.5px solid rgba(255,255,255,0.07);
}
h1 {
  font-size: 1.45rem;
  color: #fff;
  margin-bottom: 15px;
  font-weight: 700;
  letter-spacing: -1px;
}
.desc {
  color: #e5e9f2;
  font-size: 1.08rem;
  margin-bottom: 28px;
  line-height: 1.6;
}
.cta-btn {
  display: inline-block;
  width: 100%;
  padding: 15px 0;
  margin-bottom: 25px;
  background: linear-gradient(90deg,#e63946,#ff7675);
  color: #fff;
  font-size: 1.12rem;
  border: none;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 2px 18px #e6394633;
  letter-spacing: 0.5px;
  transition: background 0.15s, box-shadow 0.18s;
  cursor: pointer;
}
.cta-btn:hover {
  background: linear-gradient(90deg,#d7263d,#f6416c);
  box-shadow: 0 2px 24px #e6394655;
}
.features {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.features div {
  color: #f3f4fa;
  font-size: 1.06rem;
  background: rgba(255,255,255,0.05);
  border-radius: 7px;
  padding: 8px 0 8px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
}
.note {
  color: #c1c7d6;
  font-size: 0.93rem;
  margin-top: 20px;
  opacity: 0.85;
}
@media (max-width: 500px) {
  .glass-card { padding: 25px 6vw 22px 6vw; }
  h1 { font-size: 1.09rem; }
  .desc, .note { font-size: 0.99rem; }
  .features div { font-size: 0.97rem; }
}