:root {
    --primary-color: #6366F1;
    /* Indigo-500 */
    --primary-dark: #4F46E5;
    /* Indigo-600 */
    --background-color: #F9FAFB;
    --card-background: #FFFFFF;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card {
    background-color: var(--card-background);
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

h2 {
    font-size: 1.5rem;
    margin-top: 2rem;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

p,
li {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    text-decoration: underline;
}

.footer {
    text-align: center;
    margin-top: 40px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.back-link {
    display: inline-block;
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-weight: 500;
}

.section-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}