body {
    background-color: #c0c0c0;
    color: black;
    font-family: "Times New Roman", serif;
    margin: 0;
    padding: 0;
}


* {
    box-sizing: border-box;
}

.container {
    width: 100%;
    max-width: none;
    margin: 0;
    box-sizing: border-box;

    background-color: white;
    border: 3px ridge #808080;
}
.video-card iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    border: none;
    display: block;
}
header {
    background: linear-gradient(to bottom, #000080, #0000aa);
    color: white;
    padding: 15px;
    border-bottom: 3px solid black;
}

header h1 {
    margin: 0;
    font-size: 38px;
}

.subtitle {
    margin-top: 5px;
    font-size: 14px;
}

nav {
    position: sticky;
    background-color: #dcdcdc;
    padding: 8px;
    top: 0;
    text-align: center;
    border-bottom: 2px solid #808080;
}

nav a {
    margin: 0 12px;
    color: #0000cc;
    font-weight: bold;
    text-decoration: underline;
}

.content-grid {
    display: grid;

    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));

    gap: 15px;

    padding: 15px;
}

section {
    margin: 0;
    padding: 15px;

    border: 2px inset #c0c0c0;
    background-color: #f5f5f5;
}

h2, h3 {
    margin-top: 0;
    background-color: #000080;
    color: white;
    padding: 5px;
    font-size: 22px;
}

p {
    line-height: 1.5;
}

.gallery {
    column-count: 2;
    column-gap: 15px;
}

.art-card {
    background-color: white;
    border: 2px outset #c0c0c0;
    padding: 10px;
    text-align: center;

    display: inline-block;
    width: 100%;
    margin: 0 0 15px 0;

    break-inside: avoid;
}
.art-card img {
    width: 100%;
    border: 1px solid black;
}

.art-title {
    margin-top: 10px;
    font-weight: bold;
    font-size: 18px;
}

.art-desc {
    font-size: 14px;
    margin-top: 5px;
}

.footer {
    text-align: center;
    padding: 15px;
    background-color: #dcdcdc;
    border-top: 2px solid #808080;
    font-size: 14px;
}

.blink {
    color: red;
    font-weight: bold;
    animation: blink 1s step-start infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

a {
    color: #0000cc;
}

a:visited {
    color: #800080;
}

.hero {
    width: 100%;
    display: flex;
    justify-content: center;
    margin: 20px 0 40px 0;
    font-size: 1.1rem;
}

.hero img {
    width: min(900px, 95%);
    height: auto;
    border-radius: 10px;
}

.card {
    background: #ffffff;
    padding: 20px;
    border: 1px solid #ccc;
    margin-bottom: 20px;
}

.link-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.note {
    font-size: 0.9rem;
    opacity: 0.7;
}