/* Reset some default browser styles */
body, h1, h2, h3, p, ul, li, a, img {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* General body styles */
body {
    font-family: 'Georgia', serif;
    line-height: 1.6;
    background-color: #ffffff;
    color: #333333;
    padding: 0 20px;
}

/* Navigation bar styles */
nav {
    background: #333333;
    color: #ffffff;
    padding: 15px 0;
    text-align: center;
}

nav ul {
    list-style: none;
    display: inline-flex;
    padding: 0;
}

nav ul li {
    margin: 0 20px;
}

nav ul li a {
    color: #ffffff;
    text-decoration: none;
    font-size: 1.1em;
}

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

/* Header styles */
header {
    background: #4a4a4a;
    color: #ffffff;
    padding: 60px 0;
    text-align: center;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

/* Main content styles */
main {
    margin: 40px 0;
}

main h2 {
    margin-bottom: 20px;
    font-size: 2em;
    color: #333333;
}

main p {
    margin-bottom: 20px;
    font-size: 1.1em;
    color: #666666;
}

/* Accordion styles */
.accordion h3 {
    background: #e0e0e0;
    color: #333333;
    cursor: pointer;
    padding: 10px 15px;
    border: 1px solid #cccccc;
    margin: 0;
    font-size: 1.2em;
}

.accordion .panel {
    display: none;
    padding: 10px 15px;
    background: #f9f9f9;
    border-left: 1px solid #cccccc;
    border-right: 1px solid #cccccc;
    border-bottom: 1px solid #cccccc;
}

.accordion .panel ul {
    list-style: none;
    padding: 10px 0;
}

.accordion .panel ul li {
    margin-bottom: 10px;
    font-size: 1em;
}

.accordion .panel ul li a {
    color: #336699;
    text-decoration: none;
}

.accordion .panel ul li a:hover {
    text-decoration: underline;
}

.accordion .panel img {
    display: block;
    margin: 10px auto;
    max-width: 100%;
    border: 1px solid #cccccc;
}

.accordion .panel .downloads {
    margin: 20px 0;
}

.accordion .panel .downloads p {
    margin: 10px 0;
}

.accordion .panel .downloads .button {
    color: #ffffff;
    background: #336699;
    padding: 10px 15px;
    text-decoration: none;
    border-radius: 5px;
}

.accordion .panel .downloads .button:hover {
    background: #254f77;
}

/* Video styles */
video {
    display: block;
    margin: 20px auto;
    max-width: 100%;
}

/* Footer styles */
footer {
    text-align: center;
    padding: 20px 0;
    background: #333333;
    color: #ffffff;
    margin-top: 40px;
    font-size: 0.9em;
}