:root {
    --color-on-surface: 25, 28, 29;
    --color-primary: 53, 37, 205;
    /* #3525cd */
}

.serif-italic {
    font-family: 'Newsreader', serif;
    font-style: italic;
}

.primary-gradient {
    background: linear-gradient(135deg, #3525cd 0%, #4f46e5 100%);
}

/* Navbar Logo */
.navbar-logo {
    font-family: 'Newsreader', serif;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    color: #0f172a;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: baseline;
    gap: 0.3rem;
}

.navbar-logo:hover {
    color: #464555;
    opacity: 0.8;
}

.navbar-logo img {
    height: 0.72em;
    width: auto;
    display: inline-block;
    vertical-align: baseline;
    transition: opacity 0.3s ease;
}

.navbar-logo:hover img {
    opacity: 0.7;
}

.dark .navbar-logo {
    color: #f8fafc;
}

@media (prefers-color-scheme: dark) {
    :not(.light) .navbar-logo {
        color: #f8fafc;
    }
}

/* Nav Links (Desktop) */
.nav-link {
    position: relative;
    transition: color 0.3s ease;
    text-decoration: none;
}

.nav-link:hover {
    color: rgb(var(--color-primary)) !important;
}

.nav-link.is-active {
    color: rgb(var(--color-primary));
    font-weight: 600;
}

.nav-link.is-active::after {
    content: "";
    position: absolute;
    left: 10%;
    right: 10%;
    bottom: -6px;
    height: 2.3px;
    border-radius: 999px;
    background: rgb(var(--color-primary));
}

/* Mobile Nav Links */
.mobile-nav-link {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    padding: 0.75rem 0;
    color: #0f172a;
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: color 0.2s ease;
}

.mobile-nav-link.active-mobile {
    color: #3525cd;
    font-weight: 800;
}

.dark .mobile-nav-link {
    color: #f8fafc;
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

@media (prefers-color-scheme: dark) {
    :not(.light) .mobile-nav-link {
        color: #f8fafc;
        border-bottom-color: rgba(255, 255, 255, 0.1);
    }
}