:root {
--bg: #ffffff;
--text: #222;
--accent: #0b74de;
--maxwidth: 900px;
--pad: 16px;
}

* { box-sizing: border-box; }

body {
font-family: Arial, sans-serif;
color: var(--text);
background: var(--bg);
margin: 0;
padding: 0;
line-height: 1.5;
background-color: #C8ad7f;
}

header {
background: #eef5ff;
padding: 12px var(--pad);
border-bottom: 1px solid #ccc;
}

h1, h2, h3 {
margin-top: 0;
}

.menu {
list-style: none;
display: flex;
gap: 12px;
padding: 0;
margin: 8px 0;
}

.menu a {
text-decoration: none;
color: var(--accent);
font-weight: bold;
}

.menu a:hover {
text-decoration: underline;
}

main {
max-width: var(--maxwidth);
margin: auto;
padding: var(--pad);
}

footer {
text-align: center;
padding: 12px;
border-top: 1px solid #ccc;
margin-top: 20px;
}

.video-placeholder,
.audio-placeholder {
border: 2px dashed #ccc;
padding: 20px;
text-align: center;
color: #666;
margin-top: 10px;
}