/* Main styles for GeoData Portal */
:root {
    --primary-color: #2c5282; /* Neutral blue */
    --secondary-color: #f2f2f2;
    --accent-color: #4299e1; /* Light blue accent */
    --text-color: #333;
    --light-text: #fff;
    --border-color: #ddd;
}

body {
    font-family: 'Open Sans', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    margin: 0;
    padding: 0;
    background-color: #fff;
}

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

/* Header styles */
header {
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 20px 0;
    border-bottom: 5px solid var(--accent-color);
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
}

.logo a {
    color: var(--light-text);
    text-decoration: none;
}

/* Hero section */
.hero {
    background-color: var(--secondary-color);
    padding: 60px 0;
    text-align: center;
}

.hero h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.hero p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 30px;
}

/* Main content */
.main-content {
    padding: 60px 0;
}

.section {
    margin-bottom: 40px;
}

.section-title {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-color);
}

.features {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 0 -15px;
}

.feature {
    flex: 1 1 300px;
    margin: 15px;
    padding: 20px;
    background-color: var(--secondary-color);
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.feature h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-top: 0;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 30px 0;
    text-align: center;
}

footer p {
    margin: 0;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .feature {
        flex: 1 1 100%;
    }
}