* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-image: url('background_paper.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-color: #f5f0e8;
    min-height: 100vh;
    color: #3a352f;
}

header {
    text-align:center
}

/* Navigation bar in the paper theme */
.navbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem 2rem;
    padding: 1rem 1.75rem;
    background: rgba(247, 243, 242, 0.82);
    border-bottom: 1px solid rgba(58, 53, 47, 0.15);
    backdrop-filter: blur(6px);
}

.brand {
    font-weight: bold;
    font-size: 1.1rem;
    letter-spacing: 0.08em;
}

.nav-right, .nav-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
}

.nav-links { list-style: none; }

.navbar a {
    color: #3a352f;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.navbar a:hover { color: #8a5a2b; border-bottom-color: #8a5a2b; }

.github {
    display: flex;
    align-items: center;
    line-height: 0;
}

.github svg { width: 22px; height: 22px; transition: transform 0.2s ease; }
.github:hover { border-bottom-color: transparent; }
.github:hover svg { transform: scale(1.12); }