body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0f172a;
    color: #f8fafc;
    margin: 0;
    padding: 0;
}

header {
    background-color: #1e293b;
    padding: 20px;
    text-align: center;
    border-bottom: 3px solid #3b82f6;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
    color: #3b82f6;
}

header p {
    margin: 5px 0 0 0;
    color: #94a3b8;
}

.container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.aircraft-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.aircraft-card {
    background-color: #1e293b;
    border: 1px solid #334155;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s, border-color 0.2s;
}

.aircraft-card:hover {
    transform: translateY(-5px);
    border-color: #3b82f6;
}

.card-body {
    padding: 20px;
}

.aircraft-title {
    font-size: 1.3rem;
    margin: 0 0 10px 0;
    color: #f1f5f9;
}

.meta-tag {
    display: inline-block;
    background-color: #334155;
    color: #cbd5e1;
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 20px;
    margin-right: 5px;
    margin-bottom: 15px;
}

.meta-tag.xp12 {
    background-color: #1e3a8a;
    color: #93c5fd;
}

.download-btn {
    display: block;
    width: 100%;
    text-align: center;
    background-color: #3b82f6;
    color: white;
    border: none;
    padding: 12px 0;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.2s;
}

.download-btn:hover {
    background-color: #2563eb;
}