body {
    font-family: 'Arial', sans-serif;
    background-color: #101820;
    color: #e0e0e0;
    margin: 0;
    padding: 0;
}

header {
    background: #1b2735;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

nav ul {
    list-style: none;
    padding: 0;
    text-align: center;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: #00aaff;
    text-decoration: none;
    font-size: 18px;
    transition: color 0.3s;
}

nav ul li a:hover {
    text-decoration: underline;
    color: #ffbb00;
}

/* Hero Section */
#hero {
    text-align: center;
    padding: 50px 20px;
    background: #142850;
    animation: fadeIn 2s ease-in-out;
}

#hero h2 {
    font-size: 2.5em;
    margin-bottom: 10px;
    color: #00aaff;
}

#hero p {
    font-size: 1.2em;
    opacity: 0.8;
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 1100px;
    margin: auto;
}

article {
    background: #1e2a38;
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 0 10px rgba(0, 170, 255, 0.5);
    transition: transform 0.3s, box-shadow 0.3s;
}

article:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 20px rgba(255, 187, 0, 0.5);
}

footer {
    text-align: center;
    padding: 15px;
    background: #1b2735;
    font-size: 0.9em;
    opacity: 0.7;
}