.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #FFD700, #FFAA00);
    z-index: 1001;
    transition: width 0.2s ease;
}

header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1000;
    background-color: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

header.scrolled {
    background-color: rgba(10, 10, 10, 0.95);
    padding: 0.7rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo-nav-container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.logo-nav {
    height: 40px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    filter: brightness(0) invert(1);
}

.logo-nav:hover {
    transform: scale(1.05);
    filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(255, 255, 255, 0.6));
}

@media (max-width: 900px) {
    .nav-container {
        padding: 0 1.5rem;
    }

    .logo-nav {
        height: 35px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }

    .logo-nav {
        height: 32px;
    }
}