/* ── SHARED NAVIGATION STYLES ── */
nav, #navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #334155;
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.nav-brand-container {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.nav-mark {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    font-size: 2.15rem;
    background: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.nav-divider {
    width: 1px;
    height: 20px;
    background: #334155;
    margin: 0 1rem;
}

.nav-name {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    background: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

    .nav-links a {
        color: #94a3b8;
        text-decoration: none;
        font-size: 0.9rem;
        font-weight: 500;
        transition: color 0.2s;
    }

        .nav-links a:hover {
            color: #fff;
        }

/* Mobile Hamburger */
.hamburger {
    display: none;
    background: none;
    border: none;
    color: #e2e8f0;
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #0f172a;
        padding: 2rem;
        border-bottom: 1px solid #334155;
    }

        .nav-links.open {
            display: flex;
        }
}