:root {
    --bg: #0a0a0f;
    --bg-card: #12121a;
    --bg-card-hover: #181825;
    --text: #e0e0e0;
    --text-muted: #9999aa;
    --accent: #7676ff;
    --accent-glow: rgba(118, 118, 255, 0.35);
    --accent-soft: rgba(118, 118, 255, 0.12);
    --border: #1e1e2e;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
}

/* ───────── BACKGROUND ───────── */
.bg-particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}
.particle {
    position: absolute;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.06;
    animation: driftUp linear infinite;
}
@keyframes driftUp {
    0% { transform: translateY(110vh) scale(0); opacity: 0; }
    50% { opacity: 0.07; }
    100% { transform: translateY(-10vh) scale(1.4); opacity: 0; }
}

/* ───────── NAV ───────── */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10,10,15,0.75);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
}

.nav-inner {
    max-width: 1300px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.logo {
    color: white;
    font-weight: 800;
    text-decoration: none;
    display: flex;
    gap: 10px;
}

.logo-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
}

.nav-links a:hover {
    color: white;
}

/* ───────── CART BUTTON ───────── */
.cart-btn {
    background: var(--accent);
    border: none;
    padding: 10px 18px;
    border-radius: 999px;
    color: white;
    cursor: pointer;
    box-shadow: 0 0 25px var(--accent-glow);
}

.cart-count {
    background: white;
    color: var(--accent);
    border-radius: 50%;
    padding: 2px 7px;
    font-size: 12px;
    margin-left: 6px;
}

/* ───────── HERO ───────── */
.hero {
    text-align: center;
    padding: 90px 20px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    color: white;
}

.hero p {
    color: var(--text-muted);
    margin-top: 1rem;
}

/* ───────── PRODUCT GRID ───────── */
.product-grid {
    max-width: 1100px;
    margin: auto;
    padding: 60px 20px;
    position: relative;
    z-index: 1;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.product-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-6px);
    background: var(--bg-card-hover);
}

.product-img img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.product-info {
    padding: 1rem;
}

.price {
    color: var(--accent);
    font-weight: 700;
}

/* ───────── CART POPUP ───────── */
.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: 0.3s;
    z-index: 999;
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.cart-popup {
    width: min(420px, 90%);
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition);
}

.cart-overlay.active .cart-popup {
    transform: translateY(0);
    opacity: 1;
}

/* ───────── PRODUCT MODAL (NEW FEATURE) ───────── */
.product-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: 0.3s;
    z-index: 1000;
}

.product-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.product-modal {
    width: min(800px, 95%);
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.product-gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-details {
    padding: 1.5rem;
}

.qty-box {
    display: flex;
    gap: 10px;
    align-items: center;
    margin: 1rem 0;
}

.qty-box button {
    padding: 6px 10px;
    border-radius: 6px;
    border: none;
    background: var(--accent-soft);
    color: white;
    cursor: pointer;
}