body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(145deg, #e0f7fa, #c8e6c9);
    background-attachment: fixed;
    color: #333;
}

header {
    padding: 30px 0 10px;
}

.logo {
    display: block;
    max-width: 140px;
    margin: 0 auto 20px;
}

nav {
    text-align: center;
    margin-bottom: 20px;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav ul li {
    display: inline;
}

nav ul li a {
    text-decoration: none;
    color: #2d2d2d;
    font-weight: bold;
    font-size: 18px;
    padding: 10px 15px;
    transition: color 0.2s;
}

nav ul li a:hover {
    color: #198754;
}

nav ul li:not(:last-child)::after {
    content: "|";
    color: #ccc;
    padding-left: 10px;
}

h1 {
    text-align: center;
    font-size: 32px;
    margin-top: 10px;
}

p {
    text-align: center;
    font-size: 18px;
    margin-top: 5px;
    color: #555;
}

.video-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 40px auto;
    max-width: 1000px;
    padding: 0 20px;
}

.video-container video {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}