:root {
    --wiiu-dark: #1a1a1a;
    --wiiu-darker: #0d0d0d;
    --wiiu-accent: #00a3e0;
    --wiiu-hover: #00c3ff;
    --wiiu-white: #FFFFFF;
    --wiiu-gray: #2a2a2a;
    --wiiu-light-gray: #3a3a3a;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, var(--wiiu-darker) 0%, var(--wiiu-dark) 100%);
    color: var(--wiiu-white);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Header styling */
header {
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(10px);
    padding: 20px;
    text-align: center;
    border-bottom: 2px solid var(--wiiu-gray);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

header .logo {
    filter: drop-shadow(0 4px 10px rgba(0, 163, 224, 0.3));
    transition: transform 0.3s ease;
}

header .logo:hover {
    transform: scale(1.05);
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
    padding: 15px 0;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--wiiu-white);
    text-decoration: none;
    padding: 10px 25px;
    border-radius: 25px;
    background: rgba(42, 42, 42, 0.6);
    border: 2px solid var(--wiiu-gray);
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 1em;
}

.nav-link:hover {
    background: linear-gradient(135deg, var(--wiiu-accent) 0%, var(--wiiu-hover) 100%);
    border-color: var(--wiiu-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 163, 224, 0.4);
    border-bottom: 2px solid var(--wiiu-hover);
}

.nav-link.active {
    background: linear-gradient(135deg, var(--wiiu-accent) 0%, var(--wiiu-hover) 100%);
    border-color: var(--wiiu-hover);
    box-shadow: 0 2px 10px rgba(0, 163, 224, 0.3);
}

/* Main content */
main {
    padding: 40px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

section {
    background: rgba(42, 42, 42, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    margin: 20px 0;
    border: 2px solid var(--wiiu-gray);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

h2 {
    color: var(--wiiu-hover);
    font-size: 2em;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 163, 224, 0.5);
}

p {
    font-size: 1.1em;
    line-height: 1.6;
    color: #e0e0e0;
}

a {
    color: var(--wiiu-accent);
    text-decoration: none;
    transition: color 0.3s ease;
    border-bottom: 2px solid transparent;
}

a:hover {
    color: var(--wiiu-hover);
    border-bottom: 2px solid var(--wiiu-hover);
}

/* Menu grid styling (Wii U style tiles) */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    padding: 20px;
    margin: 20px 0;
}

.menu-item {
    background: linear-gradient(135deg, var(--wiiu-gray) 0%, var(--wiiu-light-gray) 100%);
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.menu-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 163, 224, 0.2), transparent);
    transition: left 0.5s ease;
}

.menu-item:hover::before {
    left: 100%;
}

.menu-item:hover {
    transform: translateY(-10px) scale(1.05);
    background: linear-gradient(135deg, var(--wiiu-accent) 0%, var(--wiiu-hover) 100%);
    border-color: var(--wiiu-hover);
    box-shadow: 0 12px 40px rgba(0, 163, 224, 0.5);
}

.menu-item img {
    width: 80px;
    height: 80px;
    margin-bottom: 15px;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
    transition: transform 0.3s ease;
}

.menu-item:hover img {
    transform: scale(1.1) rotate(5deg);
}

.menu-item h3 {
    margin: 0;
    font-size: 1.3em;
    color: var(--wiiu-white);
    font-weight: 500;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* Button styling */
.btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--wiiu-accent) 0%, var(--wiiu-hover) 100%);
    color: var(--wiiu-white);
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 1.1em;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid var(--wiiu-hover);
    box-shadow: 0 4px 15px rgba(0, 163, 224, 0.4);
    transition: all 0.3s ease;
    margin: 10px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 195, 255, 0.6);
    background: linear-gradient(135deg, var(--wiiu-hover) 0%, var(--wiiu-accent) 100%);
    border-bottom: 2px solid var(--wiiu-hover);
}

.download-buttons {
    margin-top: 30px;
}

/* Footer styling */
.footer {
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px;
    text-align: center;
    position: fixed;
    bottom: 0;
    width: 100%;
    border-top: 2px solid var(--wiiu-gray);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
    color: #a0a0a0;
}

/* 404 and error pages */
.not-found {
    filter: drop-shadow(0 4px 15px rgba(255, 0, 0, 0.3));
}

/* Responsive design */
@media (max-width: 768px) {
    .menu-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    section {
        padding: 25px;
    }
    
    h2 {
        font-size: 1.5em;
    }
    
    .nav-menu {
        gap: 10px;
    }
    
    .nav-link {
        padding: 8px 20px;
        font-size: 0.9em;
    }
}

@media (max-width: 480px) {
    .menu-grid {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 20px;
    }
    
    main {
        padding: 20px 10px;
    }
    
    .nav-menu {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .nav-link {
        width: 80%;
        text-align: center;
    }
}

/* Center tag styling (legacy support) */
center {
    display: block;
    text-align: center;
}