:root {
    --primary-color: #1a1a1a; /* Near-black for main background */
    --secondary-color: #2a2a2a; /* Slightly lighter shade for cards/headers */
    --accent-color: #39ff14;  /* Vibrant Neon Green */
    --text-color: #f0f0f0;    /* Off-white for readability */
    --shadow-color: rgba(57, 255, 20, 0.2); /* Shadow color for the glow effect */
    --font-family: 'Poppins', sans-serif;
}

body {
    font-family: var(--font-family);
    margin: 0;
    background-color: var(--primary-color);
    color: var(--text-color);
    background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAMAAAAp4XiDAAAAUVBMVEWFhYWDg4N3d3dtbW17e3t1dXWBgYGHh4d5eXlzc3OLi4ubm5uVlZWPj4+NjY2IiIiPj4+JiYl8fHySkpKSkpPOzs7ExMTNzc3U1NTh4eHi4uKqqqqZmZnKykoAAAAASElEQVR42tVRBwEAIACD8qL+5/x7x4LDBW0gUjMJMY2kNp1/v3s2bROAF3Yk+sR2t3e3e4/vfn/p5/gmE8Ah85g/Ci8A2gTgj3cAS2rqK1eAYo/hTwAaAOc/ANdj8v0AAAAASUVORK5CYII=');
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

header {
    background-color: rgba(26, 26, 26, 0.8);
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    text-shadow: 0 0 5px var(--accent-color);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s, text-shadow 0.3s;
}

.nav-links a:hover {
    color: var(--accent-color);
    text-shadow: 0 0 10px var(--accent-color);
}

.nav-icons img {
    cursor: pointer;
    transition: transform 0.3s, filter 0.3s;
    filter: invert(1);
}

.nav-icons img:hover {
    transform: scale(1.1);
    filter: invert(1) drop-shadow(0 0 5px var(--accent-color));
}

.hero {
    text-align: center;
    padding: 6rem 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin: 0 0 1rem 0;
    font-weight: 700;
    text-shadow: 0 0 15px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

.btn {
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 1rem 2.5rem;
    text-decoration: none;
    font-weight: 700;
    border-radius: 5px;
    transition: transform 0.3s, box-shadow 0.3s;
    border: none;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px var(--shadow-color);
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    padding: 2rem;
}

/* This is a placeholder style for the product cards we will create */
.product-card {
    background-color: var(--secondary-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2), 0 6px 6px rgba(0,0,0,0.23);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3), 0 10px 10px rgba(0,0,0,0.25);
}

.modal {
    /* Styles for modal will be updated later */
}