:root {
  --bg-color: #f9fafb;
  --text-color: #111827;
  --text-secondary: #4b5563;
  --primary-color: #000000;
  --primary-hover: #374151;
  --border-color: #e5e7eb;
  --white: #ffffff;
  --spacing-unit: 1rem;
  --radius: 8px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem var(--spacing-unit);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.benefits {
  list-style: none;
  margin-bottom: 2.5rem;
}

.benefits li {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  position: relative;
}

.benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--text-color);
  font-weight: bold;
}

.btn {
  display: inline-block;
  width: 100%;
  padding: 1rem;
  background-color: var(--primary-color);
  color: var(--white);
  text-align: center;
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.2s;
}

.btn:hover {
  background-color: var(--primary-hover);
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

input,
textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  background-color: var(--white);
}

input:focus,
textarea:focus {
  outline: 2px solid var(--primary-color);
  border-color: transparent;
}

textarea {
  min-height: 100px;
  resize: vertical;
}

.info-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  background-color: #f3f4f6;
  padding: 0.75rem;
  border-radius: var(--radius);
}

.card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.card h2 {
  margin-bottom: 1rem;
}

.card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.footer {
  margin-top: auto;
  padding-top: 2rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
}