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

:root {
  --primary: #0066ff;
  --primary-dark: #0052cc;
  --background: #0a0e27;
  --surface: #1a1f3a;
  --text-primary: #ffffff;
  --text-secondary: #a0aec0;
  --accent: #00d9ff;
  --border: #2d3748;
}

html,
body {
  width: 100%;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
    sans-serif;
  background: linear-gradient(135deg, var(--background) 0%, #1a2847 100%);
  color: var(--text-primary);
  overflow-x: hidden;
}

.background-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><radialGradient id="grad1" cx="20%25" cy="50%25" r="50%25"><stop offset="0%25" style="stop-color:rgba(0,217,255,0.1);stop-opacity:1" /><stop offset="100%25" style="stop-color:rgba(0,217,255,0);stop-opacity:1" /></radialGradient></defs><rect width="1200" height="800" fill="none"/><circle cx="200" cy="150" r="300" fill="url(%23grad1)"/><circle cx="1000" cy="600" r="250" fill="url(%23grad1)"/></svg>')
    no-repeat center;
  background-size: cover;
  pointer-events: none;
  z-index: 0;
}

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

.logo-section {
  margin-bottom: 3rem;
  animation: fadeInDown 0.8s ease-out;
}

.logo {
  height: 100px;
  width: auto;
  filter: brightness(1.1);
}

.hero {
  max-width: 700px;
  width: 100%;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.headline {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.subheadline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.6;
  font-weight: 400;
}

.email-form {
  margin: 2rem 0;
  animation: fadeInUp 1s ease-out 0.4s both;
}

.input-wrapper {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.email-input {
  flex: 1;
  min-width: 250px;
  padding: 0.875rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: rgba(26, 31, 58, 0.6);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

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

.email-input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(26, 31, 58, 0.8);
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.2);
}

.submit-btn {
  padding: 0.875rem 2rem;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
  color: white;
  border: none;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 102, 255, 0.4);
}

.submit-btn:active {
  transform: translateY(0);
}

.launch-message {
  font-size: 0.95rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.05em;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.footer {
  position: absolute;
  bottom: 2rem;
  width: 100%;
  display: flex;
  justify-content: center;
  animation: fadeIn 1s ease-out 0.8s both;
}

.social-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.social-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(26, 31, 58, 0.5);
  color: var(--text-secondary);
  transition: all 0.3s ease;
  border: 1px solid var(--border);
}

.social-icon:hover {
  color: var(--accent);
  background: rgba(0, 217, 255, 0.1);
  border-color: var(--accent);
  transform: translateY(-3px);
}

.social-icon svg {
  width: 20px;
  height: 20px;
}

/* Animations */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .container {
    padding: 1.5rem;
  }

  .logo-section {
    margin-bottom: 2rem;
  }

  .headline {
    font-size: 2rem;
  }

  .subheadline {
    font-size: 1rem;
  }

  .input-wrapper {
    flex-direction: column;
  }

  .email-input {
    min-width: 100%;
  }

  .submit-btn {
    width: 100%;
  }

  .footer {
    bottom: 1rem;
  }

  .social-links {
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .headline {
    font-size: 1.5rem;
  }

  .subheadline {
    font-size: 0.95rem;
  }

  .logo {
    height: 40px;
  }

  .social-icon {
    width: 36px;
    height: 36px;
  }

  .social-icon svg {
    width: 18px;
    height: 18px;
  }
}