* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  width: 100%;
  overflow-x: hidden;
}

body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  background: #f7fafc;
  color: #0b1d33;
}

#bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

main {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.hero {
  max-width: 640px;
  text-align: center;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 24px;
  padding: 3rem 2.5rem;
  box-shadow: 0 20px 60px rgba(11, 29, 51, 0.12);
}

.app-icon {
  width: 112px;
  height: 112px;
  border-radius: 22.5%;
  box-shadow: 0 12px 28px rgba(11, 29, 51, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.6) inset;
  margin-bottom: 1.5rem;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #0b6e99;
  background: rgba(11, 110, 153, 0.1);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
  color: #0b1d33;
}

.subtitle {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #3a4a5e;
  margin-bottom: 2.2rem;
}

.cta-group {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.notify-input {
  flex: 1 1 240px;
  padding: 0.9rem 1.4rem;
  border-radius: 999px;
  border: 1px solid rgba(11, 29, 51, 0.15);
  background: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  color: #0b1d33;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.notify-input:focus {
  border-color: #0b6e99;
  box-shadow: 0 0 0 3px rgba(11, 110, 153, 0.15);
}

.cta-primary,
.cta-secondary {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  border: none;
  font-weight: 700;
  font-size: 1rem;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.cta-primary {
  background: linear-gradient(135deg, #0b6e99, #08344a);
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(11, 110, 153, 0.35);
}

.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(11, 110, 153, 0.45);
}

.cta-secondary {
  background: rgba(11, 29, 51, 0.06);
  color: #0b1d33;
}

.cta-secondary:hover {
  background: rgba(11, 29, 51, 0.12);
  transform: translateY(-2px);
}

.notify-status {
  margin-top: 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: #0b6e99;
  min-height: 1.2rem;
}

@media (max-width: 480px) {
  .hero {
    padding: 2.2rem 1.5rem;
  }

  .cta-group {
    flex-direction: column;
  }

  .cta-primary,
  .cta-secondary {
    width: 100%;
  }
}