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

:root {
  --color-bg: #0a0f1a;
  --color-bg-card: #111827;
  --color-border: #1f2937;
  --color-text: #f9fafb;
  --color-text-muted: #9ca3af;
  --color-primary: #059669;
  --color-primary-hover: #047857;
  --color-accent: #10b981;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.container {
  max-width: 480px;
  width: 100%;
  text-align: center;
}

.logo {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

h1 {
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

input[type="email"] {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s;
}

input[type="email"]:focus {
  border-color: var(--color-primary);
}

input[type="email"]::placeholder {
  color: var(--color-text-muted);
}

.turnstile-container {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
  min-height: 65px;
}

button[type="submit"] {
  width: 100%;
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: white;
  background: var(--color-primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s;
}

button[type="submit"]:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

button[type="submit"]:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.promise {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
}

.promise-icon {
  color: var(--color-accent);
}

.footer {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
}

.footer a {
  color: var(--color-text-muted);
  text-decoration: underline;
}

.message {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.message.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
}

.message.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid #ef4444;
  color: #ef4444;
}

.hidden {
  display: none;
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
  }
  
  .subtitle {
    font-size: 1rem;
  }
  
  .card {
    padding: 1.5rem;
  }
}