/* Base Variables & Reset */
:root {
  --bg-gradient: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
  --surface: #ffffff;
  --text-primary: #111827; /* Very high contrast for VA compliance */
  --text-secondary: #374151;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --radius: 12px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-gradient);
  color: var(--text-primary);
  /* VA Requirement: Font size 14px or larger */
  font-size: 16px; 
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 
  VA Requirement: 
  - Text and background colors that meet minimum WCAG contrast requirements of at least 4.5:1. 
  - No narrow column widths. 
*/
.container {
  width: 100%;
  /* Ensures column isn't narrow, but maintains readability */
  max-width: 800px; 
  margin: 0 auto;
  padding: 2rem;
  flex: 1;
}

/* Header & Hero */
.hero {
  text-align: center;
  padding: 4rem 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
  background: linear-gradient(to right, #111827, #374151);
  -webkit-background-clip: text;
  color: transparent;
}

.hero p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 3rem;
}

/* Buttons Container */
.button-group {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Premium Button Styling */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: #ffffff;
  background-color: var(--primary);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all 0.2s ease-in-out;
  box-shadow: var(--shadow);
  border: 2px solid transparent;
}

.btn:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.btn:focus-visible {
  outline: none;
  border-color: #000000;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
}

/* Legal Document Styling (VA Compliant) */
.document-surface {
  background-color: var(--surface);
  border-radius: var(--radius);
  padding: 3rem;
  box-shadow: var(--shadow);
  margin-top: 2rem;
  margin-bottom: 4rem;
}

.document-surface h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  border-bottom: 2px solid #e5e7eb;
  padding-bottom: 1rem;
}

.document-surface h2 {
  font-size: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: #1f2937;
}

.document-surface p {
  /* VA Requirement: No long, unbroken paragraphs. */
  margin-bottom: 1.25rem;
}

.document-surface ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.document-surface li {
  margin-bottom: 0.5rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  margin-bottom: 2rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}

.back-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

@media (max-width: 600px) {
  .document-surface {
    padding: 1.5rem;
  }
  .button-group {
    flex-direction: column;
  }
  .btn {
    width: 100%;
  }
}