body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1a237e, #0d47a1);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}
header {
    position: relative;
    text-align: center;
    padding: 40px 20px;
    background: rgba(0, 0, 0, 0.2);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}
header h1 {
    font-size: 36px;
    margin-bottom: 10px;
    animation: fadeIn 2s ease-in-out;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}
header p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto;
    animation: slideIn 2s ease-in-out;
}
@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}
.container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}
.card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    width: calc(33.333% - 20px);
    margin: 10px;
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}
.card:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}
.card img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 15px;
}
.card h3 {
    font-size: 20px;
    margin-bottom: 10px;
}
.card p {
    font-size: 16px;
    line-height: 1.5;
}
.cta-button {
    display: inline-block;
    background: #ff9800;
    color: #fff;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s ease, transform 0.3s ease;
    position: relative;
    z-index: 1;
    overflow: hidden;
}
.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    transition: left 0.3s ease;
    z-index: -1;
}
.cta-button:hover::before {
    left: 0;
}
.cta-button:hover {
    background: #f57c00;
    transform: scale(1.1);
}
@media (max-width: 1024px) {
    .card {
        width: calc(50% - 20px);
    }
}
@media (max-width: 768px) {
    .card {
        width: 100%;
    }
    header h1 {
        font-size: 30px;
    }
    header p {
        font-size: 16px;
    }
}
.article-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    margin: 20px auto;
    max-width: 1200px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    position: relative;
}
.article-container h2 {
    font-size: 28px;
    margin-bottom: 20px;
    text-align: center;
}
.article-container pre {
    background: rgba(0, 0, 0, 0.3);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    font-size: 14px;
}
.article-container pre span {
    display: block;
    margin-top: 10px;
}
.footer {
    text-align: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.2);
    margin-top: 40px;
    font-size: 14px;
}