body {
            font-family: 'Georgia', serif; 
            margin: 0;
            padding: 0;
            background-color: #f7f7f7; 
            color: #333; 
            line-height: 1.6;
        }

        /* --- Theme Colors --- */
        :root {
            --primary-brown: #6d4c41; /* Muted, professional brown */
            --light-text: #fff;
            --dark-text: #333;
            --accent-light: #efebe9; /* Very light brown/tan for subtle contrast */
        }

        /* --- Header & Navigation --- */
        .header-container {
            background-color: var(--primary-brown); 
            color: var(--light-text);
            padding: 20px 0; /* Reduced padding to make room for nav */
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
            position: sticky; /* Keeps the nav visible when scrolling */
            top: 0;
            z-index: 100;
        }

        .header-content {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 20px;
        }

        .site-title a {
            color: var(--light-text);
            text-decoration: none;
            font-size: 1.8em;
            font-weight: normal;
            margin: 0;
        }

        .nav-menu ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
        }

        .nav-menu ul li {
            margin-left: 25px;
        }

        .nav-menu ul li a {
            color: var(--light-text);
            text-decoration: none;
            font-weight: bold;
            font-size: 1em;
            padding: 5px 0;
            transition: color 0.3s, border-bottom 0.3s;
        }

        .nav-menu ul li a:hover {
            color: var(--accent-light);
            border-bottom: 2px solid var(--accent-light);
        }

        /* --- Main Content Layout --- */
        .main-content {
            max-width: 900px;
            margin: 50px auto;
            padding: 30px;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.05);
        }
        
        /* --- Photo and Bio Section --- */
        .bio-section {
            display: flex;
            align-items: flex-start;
            gap: 40px;
            margin-bottom: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid #e0e0e0;
        }

        .profile-photo {
            width: 180px; 
            height: 180px;
            object-fit: cover;
            border-radius: 50%;
            border: 6px solid var(--primary-brown); 
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }

        .biography {
            flex-grow: 1;
            text-align: justify;
        }
        
        .biography h2 {
            color: var(--primary-brown);
            margin-top: 0;
            border-bottom: 2px solid var(--primary-brown);
            padding-bottom: 5px;
            margin-bottom: 15px;
            font-size: 1.8em;
        }

        /* --- Content Sections --- */
        section h2 {
            color: var(--primary-brown);
            border-left: 5px solid var(--primary-brown);
            padding-left: 10px;
            margin-top: 30px;
        }

        /* --- Footer --- */
        footer {
            text-align: center;
            padding: 30px;
            background-color: var(--primary-brown);
            color: var(--accent-light);
            font-size: 0.85em;
            margin-top: 40px;
        }