/* ============================================
   HEADER.CSS - Navigation & Logo
   ============================================ */

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--neon-pink);
    box-shadow: 0 0 20px rgba(255, 0, 128, 0.5);
    z-index: 100;
    padding: 1rem 2rem;
}

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

.logo {
    height: 60px;
}

.logo img {
    height: 100%;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(255, 0, 128, 0.8));
    animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {
    0%, 100% { 
        filter: drop-shadow(0 0 10px rgba(255, 0, 128, 0.8)) 
                drop-shadow(0 0 20px rgba(0, 255, 136, 0.5)); 
    }
    50% { 
        filter: drop-shadow(0 0 20px rgba(255, 0, 128, 1)) 
                drop-shadow(0 0 30px rgba(0, 255, 136, 0.8)); 
    }
}

nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
}

nav a {
    color: var(--text);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    transition: all 0.3s;
    text-shadow: 0 0 5px rgba(0, 255, 136, 0.5);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-pink), var(--neon-green), var(--neon-cyan));
    box-shadow: 0 0 10px var(--neon-pink);
    transition: width 0.3s;
}

nav a:hover {
    color: var(--neon-pink);
    text-shadow: 0 0 15px var(--neon-pink), 0 0 30px var(--neon-green);
}

nav a:hover::after {
    width: 100%;
}