.header {
    position: fixed;
    top: 0;
    width: 100%;
    height: 72px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 0 48px;

    background: rgba(10, 8, 7, 0.35);
    backdrop-filter: blur(8px);

    transition: background 0.3s ease, box-shadow 0.3s ease;
    z-index: 100;
}

.header.scrolled {
    background: rgba(10, 8, 7, 0.75);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.6);
}

.logo {
    width: 40px;
    height: 40px;
}

.nav {
    display: flex;
    gap: 28px;
}

.nav a {
    position: relative;
    color: #EFDFC5;
    padding: 15px 30px;
    margin: 10px;
    cursor: pointer;
    text-decoration: none;
    font-weight: 500;

    transition:
        color 0.25s ease,
        text-shadow 0.25s ease,
        filter 0.25s ease;
}

.nav a:hover {
    color: #8f0b13;

    text-shadow:
        0 0 6px rgba(192, 21, 28, 0.6),
        0 0 12px rgba(192, 21, 28, 0.4),
        0 0 24px rgba(192, 21, 28, 0.2);

    filter: drop-shadow(0 0 8px rgba(192, 21, 28, 0.5));
}

.nav a.active {
    color: #8f0b13;

    text-shadow:
        0 0 6px rgba(192, 21, 28, 0.6),
        0 0 12px rgba(192, 21, 28, 0.4),
        0 0 24px rgba(192, 21, 28, 0.2);

    filter: drop-shadow(0 0 8px rgba(192, 21, 28, 0.5));
    pointer-events: none;
}

.header-right {
    display: flex;
    gap: 16px;
}

.icon {
    opacity: 0.7;
    text-decoration: none;
    color: #fff;
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
}