header {
    height: 70px;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 90%;
    max-width: 1000px;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    background: rgba(3, 7, 18, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.main-nav {
    display: flex;
    gap: 2rem;
}

.main-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s;
    padding-bottom: 2px;
}

.main-nav a:hover,
.main-nav a.active-page {
    color: white;
}

.btn-micro {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: white;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-micro:hover {
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.1);
}

.header-actions {
    display: flex;
    align-items: center;
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    margin-left: 1rem;
}

@media (max-width: 768px) {
    header {
        top: 0;
        width: 100%;
        border-radius: 0;
        border: none;
        border-bottom: 1px solid var(--glass-border);
        padding: 0 1rem;
    }

    .mobile-toggle {
        display: block;
    }

    .main-nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #030712;
        border-bottom: 1px solid var(--glass-border);
        padding: 2rem;
        gap: 2rem;
        align-items: center;
    }

    .main-nav.mobile-open {
        display: flex;
        animation: slideDown 0.3s ease-out;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}