:root {
    --primary: #123F63;
    --secondary: #35308A;

    --background: #FFFFFF;
    --surface: #F5F8FB;
    --surface-variant: #EAF0F5;

    --text-primary: #0D2338;
    --text-secondary: #536879;

    --success: #21A67A;
    --warning: #F2C14E;
    --error: #BA1A1A;

    --max-width: 1100px;
}

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

body {
    font-family: Inter, Arial, Helvetica, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.7;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

header {
    background: var(--primary);
    color: white;
}

.navbar {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    color: white;
    text-decoration: none;
}

.hero {
    background: linear-gradient(
        135deg,
        var(--primary),
        var(--secondary)
    );
    color: white;
    padding: 100px 24px;
}

.hero-content {
    max-width: 700px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.15rem;
    opacity: 0.95;
}

.button {
    display: inline-block;
    margin-top: 32px;
    padding: 14px 24px;
    background: white;
    color: var(--primary);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
}

.section {
    padding: 80px 0;
}

.section-title {
    margin-bottom: 16px;
    color: var(--primary);
}

.section-description {
    color: var(--text-secondary);
    max-width: 700px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--surface-variant);
    border-radius: 16px;
    padding: 24px;
}

.card h3 {
    margin-bottom: 12px;
    color: var(--primary);
}

.card p {
    color: var(--text-secondary);
}

footer {
    background: var(--surface);
    border-top: 1px solid var(--surface-variant);
    padding: 32px 0;
    text-align: center;
    color: var(--text-secondary);
}

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

@media (max-width: 768px) {
    .hero {
        padding: 80px 24px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .nav-links {
        gap: 16px;
    }
}


.page-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 24px;
}

.page-content h1 {
    color: var(--primary);
    margin-bottom: 12px;
}

.page-content .updated {
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.page-content h2 {
    margin-top: 40px;
    margin-bottom: 16px;
    color: var(--primary);
    border-bottom: 1px solid var(--surface-variant);
    padding-bottom: 8px;
}

.page-content h3 {
    margin-top: 24px;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.page-content p {
    margin-bottom: 16px;
}

.page-content ul {
    margin: 16px 0;
    padding-left: 24px;
}

.page-content li {
    margin-bottom: 8px;
}

.page-content a {
    color: var(--secondary);
}

.back-link {
    display: inline-block;
    margin-top: 32px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}