:root {
    --bs-primary: #437445;   
    --bs-body-color: #051014;
    --bs-alt-bg: #f6edd9;
    --bs-alt-color: #6c809a;
    --bs-bg-color: #faffff;
}

body {
    color: var(--bs-body-color);
    background-color: var(--bs-bg-color);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Header Styling */
.conference-header {
    background-color: var(--bs-primary);
    color: var(--bs-bg-color);
    padding: 1.5rem 0;
}

.conference-header h3, 
.conference-header h4, 
.conference-header p {
    color: var(--bs-bg-color);
}

/* Left Sidebar Menu */
.conference-sidebar {
    background-color: var(--bs-alt-bg);
    min-height: calc(100vh - 140px);
    padding: 1.5rem 1rem;
    border-right: 1px solid #dee2e6;
}

.conference-sidebar .sidebar-heading {
    color: var(--bs-body-color);
    font-weight: 700;
    letter-spacing: 0.05em;
}

.conference-sidebar .nav-link {
    color: var(--bs-body-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    margin-bottom: 0.25rem;
    transition: all 0.2s ease-in-out;
}

.conference-sidebar .nav-link:hover,
.conference-sidebar .nav-link.active {
    background-color: var(--bs-primary);
    color: var(--bs-bg-color);
}

/* Links */
a {
    color: var(--bs-alt-color);
    text-decoration: none;
}

a:hover {
    color: var(--bs-primary);
}

/* Footer */
.conference-footer {
    background-color: var(--bs-alt-bg);
    padding: 2.5rem 0 1.5rem 0;
    border-top: 1px solid #dee2e6;
    margin-top: 3rem;
}

.sponsor-logo {
    max-height: 60px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.75;
    transition: filter 0.2s ease, opacity 0.2s ease;
}

.sponsor-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* Main Content */

h1, h2, h3, h4, h5{
    color: var(--bs-primary);
}

main h2{
	padding-left: 4ex;
}

main h2:before{
	content: "◈";
	padding-right: 1ex;
}