/* ===== HEADER STYLES ===== */
header {
    background-color: rgba(10, 10, 10, 0.9);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 102, 255, 0.2);
    transition: all 0.3s ease;
}

header.scrolled {
    background-color: rgba(0, 0, 0, 0.95);
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    color: #0066ff;
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 1px;
    font-family: 'Orbitron', sans-serif;
}

.logo span {
    color: #ffffff;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links li {
    list-style: none;
}

.nav-links a {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}

.nav-links a:hover {
    color: #0066ff;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #0066ff;
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    cursor: pointer;
    padding: 10px;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: rgba(10, 10, 10, 0.95);
        flex-direction: column;
        align-items: center;
        padding-top: 30px;
        gap: 25px;
        transition: left 0.3s ease;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links a {
        font-size: 1.3rem;
    }
    
    .logo {
        font-size: 1.5rem;
    }
}