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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: #333;
    line-height: 1.6;
    background: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: #002D62;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.5px;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 30px;
    font-weight: 500;
    transition: opacity 0.3s;
}

nav a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #002D62 0%, #004080 100%);
    color: #fff;
    padding: 120px 0;
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background: #fff;
    color: #002D62;
    border: none;
    padding: 18px 50px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    text-decoration: none;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #f5f5f5;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 20px;
}

.feature-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 45, 98, 0.15);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    color: #002D62;
    margin-bottom: 15px;
    font-weight: 600;
}

.feature-card p {
    color: #666;
    line-height: 1.7;
}

/* Footer */
.footer {
    background: #002D62;
    color: #fff;
    padding: 30px 0;
    text-align: center;
}

.footer p {
    opacity: 0.9;
}

/* Whitepaper Styles */
.whitepaper {
    background: #fff;
    padding: 60px 0;
}

.whitepaper-header {
    text-align: center;
    margin-bottom: 60px;
    padding-bottom: 30px;
    border-bottom: 3px solid #002D62;
}

.whitepaper-header h1 {
    font-size: 42px;
    color: #002D62;
    margin-bottom: 15px;
    font-weight: 700;
}

.whitepaper-header .subtitle {
    color: #666;
    font-size: 18px;
}

.whitepaper-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.whitepaper-section {
    margin-bottom: 50px;
}

.whitepaper-section h2 {
    font-size: 32px;
    color: #002D62;
    margin-bottom: 20px;
    font-weight: 600;
}

.whitepaper-section h3 {
    font-size: 24px;
    color: #002D62;
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 600;
}

.whitepaper-section p {
    color: #444;
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.whitepaper-section ul {
    margin-left: 30px;
    margin-bottom: 20px;
}

.whitepaper-section li {
    color: #444;
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 10px;
}

.callout-box {
    background: linear-gradient(135deg, #002D62 0%, #004080 100%);
    color: #fff;
    padding: 40px;
    border-radius: 8px;
    margin: 40px 0;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 45, 98, 0.2);
}

.callout-box p {
    font-size: 24px;
    font-weight: 600;
    margin: 0;
    color: #fff;
    line-height: 1.5;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    background: #fff;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    overflow: hidden;
}

.comparison-table thead {
    background: #002D62;
    color: #fff;
}

.comparison-table th {
    padding: 20px;
    text-align: left;
    font-weight: 600;
    font-size: 16px;
}

.comparison-table td {
    padding: 18px 20px;
    border-bottom: 1px solid #e0e0e0;
    color: #444;
    font-size: 16px;
}

.comparison-table tbody tr:hover {
    background: #f8f9fa;
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

/* Insights Section */
.insights {
    padding: 80px 0;
    background: #fff;
}

.insights h2 {
    font-size: 36px;
    color: #002D62;
    text-align: center;
    margin-bottom: 40px;
    font-weight: 700;
}

.article-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    border-left: 4px solid #002D62;
    max-width: 800px;
    margin: 0 auto;
    transition: transform 0.3s, box-shadow 0.3s;
}

.article-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 45, 98, 0.12);
}

.article-tag {
    display: inline-block;
    background: #002D62;
    color: #fff;
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 15px;
}

.article-card h3 {
    margin-bottom: 12px;
}

.article-card h3 a {
    color: #002D62;
    text-decoration: none;
    font-size: 24px;
    font-weight: 600;
    transition: color 0.3s;
}

.article-card h3 a:hover {
    color: #004080;
}

.article-card p {
    color: #555;
    line-height: 1.7;
    margin-bottom: 15px;
}

.article-meta {
    color: #888;
    font-size: 14px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .whitepaper-header h1 {
        font-size: 32px;
    }
}