:root {
    --bg: #0d1117;
    --card-bg: #161b22;
    --text: #c9d1d9;
    --accent: #862323;
}

.header {
    background-color: var(--card-bg);
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid #30363d;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: sans-serif;
    margin: 0;
    padding: 2rem;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

.section-title {
    border-bottom: 1px solid #30363d;
    padding-bottom: 10px;
    margin-top: 40px;
}

/* grid */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.card {
    background: var(--card-bg);
    border: 1px solid #30363d;
    border-radius: 8px;
    padding: 20px;
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    border-color : var(--accent);
}

.btn {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 0.9rem;
}