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

:root {
  --bg-start: #0f0c29;
  --bg-mid: #302b63;
  --bg-end: #24243e;
  --accent: #7f5af0;
  --text: #fffffe;
  --muted: #94a1b2;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-start), var(--bg-mid), var(--bg-end));
  background-size: 200% 200%;
  animation: gradientShift 15s ease infinite;
  color: var(--text);
  padding: 1.5rem;
  overflow: hidden;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.container {
  text-align: center;
  max-width: 600px;
  animation: fadeUp 1s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  border: 1px solid rgba(127, 90, 240, 0.5);
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(127, 90, 240, 0.1);
  margin-bottom: 1.5rem;
}

.logo {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, #fff, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  font-size: clamp(1rem, 3vw, 1.25rem);
  font-weight: 300;
  color: var(--muted);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.notify-form {
  display: flex;
  gap: 0.75rem;
  max-width: 440px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.email-input {
  flex: 1;
  min-width: 220px;
  padding: 0.9rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}

.email-input::placeholder {
  color: var(--muted);
}

.email-input:focus {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.08);
}

.notify-btn {
  padding: 0.9rem 1.8rem;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s;
}

.notify-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(127, 90, 240, 0.4);
}

.footer {
  margin-top: 3rem;
  font-size: 0.85rem;
  color: var(--muted);
}