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

:root {
  --bg: #0a0e1a;
  --surface: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8eaf0;
  --muted: #6b7280;
  --accent: #6c8fff;
  --accent-2: #a78bfa;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

/* --- Background shapes --- */

.bg-shapes {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.25;
}

.shape-1 {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, #6c8fff, transparent 70%);
  top: -120px;
  left: -160px;
  animation: drift 12s ease-in-out infinite alternate;
}

.shape-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #a78bfa, transparent 70%);
  bottom: -100px;
  right: -100px;
  animation: drift 16s ease-in-out infinite alternate-reverse;
}

.shape-3 {
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, #38bdf8, transparent 70%);
  top: 50%;
  left: 55%;
  animation: drift 10s ease-in-out infinite alternate;
}

@keyframes drift {
  from { transform: translate(0, 0); }
  to   { transform: translate(30px, 40px); }
}

/* --- Layout --- */

.container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem;
  max-width: 680px;
  width: 100%;
  gap: 3rem;
}

/* --- Logo --- */

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-icon {
  font-size: 1.6rem;
  line-height: 1;
}

.logo-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Hero --- */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 3.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: #fff;
}

.accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--muted);
  line-height: 1.7;
  max-width: 480px;
}

/* --- Notify form --- */

.notify-form {
  display: flex;
  gap: 0.5rem;
  width: 100%;
  max-width: 440px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 6px;
}

.email-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.55rem 0.75rem;
}

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

.btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1.25rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.btn:hover {
  opacity: 0.85;
}

.success-msg {
  display: none;
  font-size: 0.95rem;
  color: #6ee7b7;
}

/* --- Footer --- */

.footer {
  font-size: 0.8rem;
  color: var(--muted);
}

/* --- Responsive --- */

@media (max-width: 480px) {
  .notify-form {
    flex-direction: column;
    padding: 0.75rem;
    gap: 0.75rem;
  }

  .btn {
    width: 100%;
    padding: 0.75rem;
  }
}