:root {
    /* Executive Tech Leadership Color Scheme */
    --primary-navy: #1e3a5f;
    --primary-navy-dark: #0f1e30;
    --primary-navy-light: #2c5282;
    --accent-blue: #3b82f6;
    --accent-light: #60a5fa;
    --text-dark: #1a202c;
    --text-light: #64748b;
    --bg-white: #ffffff;
    --bg-gray: #f8fafc;
    --border-gray: #e2e8f0;
    --shadow: rgba(30, 58, 95, 0.12);
}

.nav-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 16px 6%;
    box-shadow: 0 10px 30px rgba(17, 23, 42, 0.08);
    z-index: 1000;
    position: relative;
    backdrop-filter: blur(10px);
}

.nav-header img {
    position: absolute;
    left: 5%;
    height: 50px;
    transition: transform 0.3s ease;
}

.nav-header nav {
    display: flex;
    justify-content: center;
}

.nav-header img:hover {
    transform: scale(1.05);
}

.nav-header nav ul {
    display: flex;
    list-style: none;
    gap: 10px;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-header nav ul a {
    text-decoration: none;
}


.nav-header nav ul li {
    color: var(--text-dark);
    padding: 10px 22px;
    font-weight: 600;
    border-radius: 999px;
    transition: all 0.3s ease;
    position: relative;
    background: transparent;
}

.nav-header nav ul li::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 999px;
    background-color: rgba(124, 58, 237, 0.12);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-header nav ul li:hover {
    color: var(--primary-navy);
}

.nav-header nav ul li:hover::before {
    opacity: 1;
}

.nav-header nav ul li:first-child {
    background: rgba(124, 58, 237, 0.14);
    color: var(--primary-navy);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-header {
        flex-direction: column;
        padding: 15px 5%;
        gap: 15px;
    }
    
    .nav-header img {
        height: 40px;
    }
    
    .nav-header nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 5px;
    }
    
    .nav-header nav ul li {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .nav-header nav ul li {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
}