/* Header Styles */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(147, 51, 234, 0.3);
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 50px;
    width: auto;
    vertical-align: middle;
}

.logo-subtitle {
    font-size: 2rem;
    font-weight: bold;
    background: linear-gradient(45deg, #9333ea, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: #9333ea;
}

.nav-link.active {
    color: #9333ea;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #9333ea, #06b6d4);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
    .header .container {
        padding: 1rem 15px;
    }
    
    .nav ul {
        gap: 1rem;
    }
    
    .logo-subtitle {
        font-size: 1.5rem;
    }
}