:root {
    --primary-bg-color: #2a3d55;
    --text-color: #dfdfdf;
    --link-color: #007bff;
    --link-hover-color: #0056b3;
    --social-link-color: #6c757d;
    --social-link-hover-color: #495057;
    --side-nav-width: 250px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 60px; /* Adjust this value as needed */
}

/* Responsive video container */
.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    background: #000; /* Fallback background */
}

.video-container iframe,
.video-container object,
.video-container embed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

body {
    font-family: Arial, sans-serif;
    background-color: var(--primary-bg-color);
    color: var(--text-color);
    padding-top: 20px;
}

/* Side Navigation (PC) */
.side-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--side-nav-width);
    height: 100vh;
    background-color: #1e2b3c;
    padding: 20px;
    display: flex;
    flex-direction: column;
    z-index: 1030;
    justify-content: center;
}

.side-nav .logo {
    max-width: 150px;
    height: auto;
    margin-bottom: 30px;
}

.side-nav .nav-link {
    color: var(--text-color);
    padding: 10px 15px;
    margin-bottom: 10px;
    font-weight: bold;
    text-align: center;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.side-nav .nav-link:hover,
.side-nav .nav-link.active {
    background-color: var(--primary-bg-color);
    color: #fff;
}

.side-nav hr {
    border-color: rgba(255, 255, 255, 0.1);
}

.external-links .nav-link.external {
    font-size: 0.9rem;
    text-align: left;
    padding-left: 30px;
}

.external-links .nav-link.external i {
    margin-right: 10px;
    font-size: 1rem;
}

/* Hamburger Menu (Mobile) */
.hamburger-menu {
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1050;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 2rem;
}

/* Offcanvas Menu (Mobile) */
.offcanvas {
    background-color: #1e2b3c;
}

.offcanvas-body .nav-link {
    color: var(--text-color);
    padding: 10px 15px;
    display: block;
}
.offcanvas-body .nav-link:hover {
    background-color: var(--primary-bg-color);
}

.offcanvas-body .external-links .nav-link.external {
    font-size: 1rem;
    padding-left: 15px;
}


/* Main Content Area */
.main-content {
    transition: margin-left .3s;
}

@media (min-width: 992px) {
    .main-content {
        margin-left: var(--side-nav-width);
    }
}

.content-section {
    padding: 40px 20px;
    min-height: 80vh;
}

#home {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}


/* Footer */
footer {
    color: var(--text-color);
    width: 100%;
}

.social-links a {
    color: var(--social-link-color);
    font-size: 1.5rem;
    margin: 0 10px;
}

.social-links a:hover {
    color: var(--social-link-hover-color);
}

.container {
    max-width: 960px;
}