:root {
    --primary: #5C6AC4;
    --primary-dark: #4959BD;
    --primary-light: #B4BCF0;
    --text-primary: #212121;
    --text-secondary: #757575;
    --background: #F5F5F5;
    --card-bg: #FFFFFF;
    --border-radius: 12px;
    --spacing: 24px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.8;
    color: var(--text-primary);
    background: var(--background);
    padding: 0;
    margin: 0;
}

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

.header {
    text-align: center;
    padding: 60px 0;
    background: linear-gradient(135deg, #2E3A59 0%, #1A2238 100%);
    color: white;
    margin-bottom: var(--spacing);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.header h1 {
    font-size: 2.5em;
    margin-bottom: 16px;
    font-weight: 600;
    color: #FFFFFF;
}

.header p {
    font-size: 1.1em;
    max-width: 600px;
    margin: 0 auto;
    color: #E0E0E0;
}

.section {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 32px;
    margin-bottom: var(--spacing);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: transform 0.2s ease;
}

.section:hover {
    transform: translateY(-2px);
}

h2 {
    color: var(--primary-dark);
    font-size: 1.5em;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-light);
}

h3 {
    color: var(--primary);
    font-size: 1.2em;
    margin: 20px 0 12px 0;
}

h4 {
    color: var(--primary-dark);
    font-size: 1.1em;
    margin: 16px 0 8px 0;
}

p {
    color: var(--text-secondary);
    margin: 16px 0;
    font-size: 1.05em;
}

ul {
    list-style-type: none;
    padding-left: 0;
}

li {
    color: var(--text-secondary);
    margin: 12px 0;
    padding-left: 24px;
    position: relative;
}

li:before {
    content: "•";
    color: var(--primary);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.highlight {
    background: rgba(92, 106, 196, 0.08);
    padding: 24px;
    border-radius: var(--border-radius);
    margin: 20px 0;
    border-left: 4px solid var(--primary);
}

.data-type {
    background: rgba(92, 106, 196, 0.05);
    padding: 20px;
    border-radius: var(--border-radius);
    margin: 16px 0;
    border-left: 3px solid var(--primary-light);
}

.effective-date {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 16px;
}

.footer {
    text-align: center;
    margin-top: 60px;
    padding: 40px 0;
    border-top: 1px solid var(--primary-light);
    color: var(--text-secondary);
}

.contact-button {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 12px 24px;
    border-radius: 30px;
    text-decoration: none;
    margin-top: 20px;
    transition: background 0.3s ease;
}

.contact-button:hover {
    background: var(--primary-dark);
}

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

a:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    .container {
        padding: 20px;
    }
    
    .header {
        padding: 40px 20px;
    }
    
    .header h1 {
        font-size: 2em;
    }
    
    .section {
        padding: 24px;
    }
}