/* Base */
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; }

/* Navbar scroll state */
nav.scrolled {
    background: rgba(250, 249, 246, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(51, 77, 36, 0.08);
}

.nav-link {
    color: #334d24;
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: #3f5f2b;
    transition: width 0.25s ease;
}
.nav-link:hover::after {
    width: 100%;
}

/* Mobile menu */
#mobile-menu {
    animation: slideDown 0.25s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}
.mobile-link {
    border-bottom: 1px solid rgba(51, 77, 36, 0.08);
    padding-bottom: 0.75rem;
}
.mobile-link:last-child {
    border-bottom: none;
}

/* Smooth scroll offset for fixed nav */
section[id] {
    scroll-margin-top: 80px;
}
</style>