/* Header and Navigation Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    background: rgba(17, 17, 17, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.logo-container {
    width: 39px;
    height: 39px;
    background: linear-gradient(135deg, rgba(154,31,255,0.2) 0%, rgba(0,229,255,0.2) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    border: 2px solid rgba(0, 229, 255, 0.5);
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.3);
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(255,255,255,0.7));
}

/* Desktop Navigation */
.desktop-nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    margin-left: auto;
}

.nav-link {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--neon-cyan);
}

/* Mobile Navigation */
.mobile-menu-btn {
    display: none;
    margin-left: auto;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(17, 17, 17, 0.98);
    z-index: 1000;
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    max-height: calc(100vh - 80px);
    overflow-y: auto;
}

.mobile-nav-link {
    padding: 0.8rem 1rem;
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.mobile-nav-link:hover {
    color: var(--neon-cyan);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .mobile-nav {
        display: flex;
    }
}