/* Based on gamify-learning DESIGN.md */
:root {
    --map-bg: #0B0E17;
    --mission-surface: #1E2330;
    --accent-primary: #00D4AA;
    --text-primary: #E5E7EB;
    --text-secondary: #9CA3AF;
    --border: #2D3548;
}

body {
    font-family: 'DM Sans', sans-serif;
    background-color: var(--map-bg);
    color: var(--text-primary);
    line-height: 1.6;
    max-width: 960px;
    margin: 0 auto;
    padding: 40px 20px;
}

header {
    text-align: center;
    padding: 0 0 48px;
}

h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 40px;
    margin-bottom: 8px;
}

nav {
    text-align: center;
    margin-bottom: 48px;
    padding: 16px;
    background-color: var(--mission-surface);
    border-radius: 8px;
    border: 1px solid var(--border);
}

nav a {
    margin: 0 16px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    transition: color 0.15s ease;
}

nav a:hover, nav a:focus {
    color: var(--accent-primary);
}

.card {
    background-color: var(--mission-surface);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-bottom: 24px;
}

h2 {
    font-family: 'Outfit', sans-serif;
    color: var(--text-primary);
    margin-top: 0;
}

footer {
    text-align: center;
    margin-top: 64px;
    font-size: 0.8em;
    color: var(--text-secondary);
}