:root {
    /* Base Layers */
    --ink: #050508;
    --void: #0d0d12;
    
    /* Active Palette */
    --acid: #bfff00;
    --violet: #8a2be2;
    --bone: #e0e0e0;
    
    /* Interaction Variables */
    --gradient-flow: linear-gradient(135deg, var(--ink), var(--void), var(--violet));
}

body {
    background-color: var(--ink);
    color: var(--bone);
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: 'Space Grotesk', sans-serif;
}

/* Nav with depth */
nav {
    width: 100%;
    max-width: 1200px;
    display: flex;
    justify-content: space-between;
    padding: 3rem 2rem;
    align-items: center;
    background: var(--ink);
}

.nav-links li a {
    color: var(--bone);
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    transition: all 0.4s ease;
}

/* Hover uses Acid for the "Psychedelic" pop */
.nav-links li a:hover {
    border-color: var(--acid);
    color: var(--acid);
    box-shadow: 0 0 10px rgba(191, 255, 0, 0.3);
}

/* Hero Section */
.hero {
    width: 100%;
    max-width: 900px;
    text-align: center;
    padding: 10vh 2rem;
}

h1 {
    font-size: 5rem;
    background: linear-gradient(to bottom, var(--bone), var(--violet));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
}

/* Cards using the full palette */
.product-card {
    background: var(--void);
    border: 1px solid #2a2a35;
    padding: 2.5rem;
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.product-card:hover {
    border-color: var(--violet);
    transform: translateY(-5px);
}

.buy-btn {
    background: transparent;
    color: var(--acid);
    border: 1px solid var(--acid);
    padding: 0.8rem 1.5rem;
    cursor: pointer;
    text-transform: uppercase;
    margin-top: 1rem;
}

.buy-btn:hover {
    background: var(--acid);
    color: var(--ink);
}