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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.landing-container {
  background: white;
  border-radius: 20px;
  padding: 60px 40px;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.logo-section {
  margin-bottom: 40px;
}

.logo {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  animation: fadeIn 0.6s ease-out;
}

h1 {
  font-size: 48px;
  font-weight: 700;
  color: #667eea;
  margin-bottom: 10px;
  letter-spacing: 2px;
  animation: slideIn 0.6s ease-out;
}

.tagline {
  font-size: 18px;
  font-weight: 600;
  color: #555;
  margin-bottom: 5px;
}

.subtitle {
  font-size: 14px;
  color: #888;
}

/* Sign-in section */
.signin-section {
  margin: 50px 0 40px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.google-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 32px;
  background: white;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  color: #333;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  font-family: inherit;
}

.google-btn:hover {
  border-color: #667eea;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.25);
  transform: translateY(-2px);
}

.google-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.google-icon {
  flex-shrink: 0;
}

.signin-subtext {
  font-size: 13px;
  color: #888;
  margin: 0;
}

.download-section {
  margin: 40px 0 30px 0;
}

.download-text {
  font-size: 14px;
  color: #666;
  margin-bottom: 20px;
  font-weight: 500;
}

.store-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.store-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: #000;
  color: white;
  text-decoration: none;
  border-radius: 10px;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.store-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.store-btn.play-store {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.store-btn.app-store {
  background: #000;
}

.store-icon {
  flex-shrink: 0;
}

.store-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.store-label {
  font-size: 10px;
  font-weight: 400;
  text-transform: uppercase;
  opacity: 0.9;
}

.store-name {
  font-size: 18px;
  font-weight: 600;
}

.footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  padding-top: 20px;
  margin-top: 20px;
  border-top: 1px solid #eee;
  font-size: 12px;
}

.footer .separator {
  color: #ccc;
}

.footer a {
  color: #667eea;
  text-decoration: none;
  font-size: 12px;
  transition: all 0.2s;
}

.footer a:hover {
  text-decoration: underline;
  color: #764ba2;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

/* Responsive design */
@media (max-width: 600px) {
  .landing-container {
    padding: 40px 30px;
  }

  h1 {
    font-size: 36px;
  }

  .tagline {
    font-size: 16px;
  }

  .google-btn {
    padding: 12px 24px;
    font-size: 15px;
  }

  .download-text {
    font-size: 13px;
  }

  .store-btn {
    padding: 12px 16px;
  }

  .store-name {
    font-size: 16px;
  }

  .footer {
    gap: 10px;
    font-size: 11px;
  }

  .footer a {
    font-size: 11px;
  }
}

@media (max-width: 400px) {
  .landing-container {
    padding: 30px 20px;
  }

  h1 {
    font-size: 30px;
  }

  .logo {
    width: 64px;
    height: 64px;
  }
}