/* ══════════════════════════════════════════
   TOP NAVIGATION BAR
══════════════════════════════════════════ */
#main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9000;
    background: rgba(10, 15, 40, 0.75);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-logo {
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: linear-gradient(135deg, #60a5fa, #a78bfa, #22d3ee);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.nav-links a {
    font-weight: 600;
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    padding: 0.45rem 1rem;
    border-radius: 6px;
    transition: color 0.2s ease, background 0.2s ease;
    position: relative;
}

.nav-links a:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

.nav-links a.active {
    color: #ffffff;
    background: rgba(96, 165, 250, 0.18);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, #60a5fa, #a78bfa);
    border-radius: 2px;
}

/* Push page body down so content isn't hidden under fixed nav */
body {
    padding-top: 60px;
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 1.25rem;
        height: 54px;
    }

    body {
        padding-top: 54px;
    }

    .nav-links a {
        padding: 0.4rem 0.7rem;
        font-size: 0.78rem;
    }
}

@media (max-width: 480px) {
    .nav-logo {
        font-size: 1rem;
    }

    .nav-links {
        gap: 0;
    }

    .nav-links a {
        padding: 0.35rem 0.55rem;
        font-size: 0.72rem;
    }
}