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

:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --success: #3fb950;
  --error: #f85149;
  --radius: 8px;
  --font-sans: "DM Sans", system-ui, -apple-system, sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.container {
  max-width: 420px;
  width: 100%;
}

h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.25rem 0;
  letter-spacing: -0.02em;
}

.tagline {
  font-size: 1rem;
  color: var(--muted);
  margin: 0 0 1.25rem 0;
}

.blurb {
  margin: 0 0 1.5rem 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.signup-form label {
  font-size: 0.875rem;
  font-weight: 500;
}

.signup-form input[type="email"] {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 1rem;
  border: 1px solid #30363d;
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.15s;
}

.signup-form input[type="email"]:focus {
  outline: none;
  border-color: var(--accent);
}

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

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.signup-form button {
  padding: 0.625rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--bg);
  cursor: pointer;
  transition: opacity 0.15s;
}

.signup-form button:hover:not(:disabled) {
  opacity: 0.9;
}

.signup-form button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.message {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
}

.message.success {
  background: rgba(63, 185, 80, 0.15);
  color: var(--success);
}

.message.error {
  background: rgba(248, 81, 73, 0.15);
  color: var(--error);
}

.message[hidden] {
  display: none !important;
}

.cf-turnstile {
  margin: 0.25rem 0;
}