body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background: radial-gradient(circle, #0A2463, #051231);
    color: #E5E5EA;
    line-height: 1.6;
    overflow-x: hidden;
}
header {
    text-align: center;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, #0A2463, #1C3F95);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}
header h1 {
    font-family: 'Montserrat', sans-serif;
    font-weight: bold;
    font-size: 2.5rem;
    color: #F7DC6F;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    margin: 0;
}
header p {
    font-size: 1.2rem;
    color: #38B6FF;
    margin-top: 0.5rem;
}
.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.card {
    background: linear-gradient(135deg, #E5E5EA, #D4D4D8);
    color: #0A2463;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}
.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 2px solid #38B6FF;
}
.card-content {
    padding: 1.5rem;
}
.card-content h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: bold;
    color: #0A2463;
    margin-top: 0;
}
.card-content p {
    font-size: 1rem;
    line-height: 1.5;
    margin: 0.5rem 0;
}
.highlight {
    background-color: #38B6FF;
    color: #0A2463;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: bold;
    display: inline-block;
    margin: 1rem 0;
}
button {
    background: linear-gradient(135deg, #38B6FF, #1C74B5);
    color: #fff;
    border: none;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}
button:hover {
    background: linear-gradient(135deg, #1C74B5, #0A2463);
    transform: scale(1.05);
}
.code-block {
    background: #0A2463;
    color: #F7DC6F;
    padding: 1rem;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    overflow-x: auto;
    margin: 1rem 0;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}
table th, table td {
    border: 1px solid #38B6FF;
    padding: 0.8rem;
    text-align: left;
}
table th {
    background: #38B6FF;
    color: #0A2463;
}
footer {
    text-align: center;
    padding: 1rem;
    background: linear-gradient(135deg, #0A2463, #1C3F95);
    color: #E5E5EA;
    font-size: 0.9rem;
}
@keyframes aurora-move {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}