* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    color: #2c2c2c;
    background-color: #f7f5f2;
}

header {
    background-color: #1e1e1e;
    color: #fff;
    text-align: center;
    padding: 60px 20px;
}

header h1 {
    font-size: 2.5rem;
    letter-spacing: 2px;
}

header p {
    margin-top: 10px;
    color: #cfcfcf;
}

main {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.intro {
    margin-bottom: 40px;
}

.intro h2, .exhibits h2 {
    margin-bottom: 15px;
    border-bottom: 2px solid #b8860b;
    display: inline-block;
    padding-bottom: 5px;
}

.exhibit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.exhibit-card {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    border-top: 4px solid #b8860b;
}

.exhibit-card h3 {
    margin-bottom: 10px;
    color: #1e1e1e;
}

#infoBtn {
    margin-top: 30px;
    padding: 12px 24px;
    background-color: #b8860b;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
}

#infoBtn:hover {
    background-color: #96690a;
}

#infoText {
    margin-top: 15px;
    font-weight: bold;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #1e1e1e;
    color: #cfcfcf;
}