:root {
    /* Premium Dark Theme Palette */
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-card: #252525;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;

    /* Brand Colors extracted from Logo */
    --accent-color: #ff0040;
    /* R.K Red */
    --accent-hover: #d90036;
    --accent-glow: rgba(255, 0, 64, 0.5);

    --brand-yellow: #ffe600;
    /* R.K Yellow */

    --success: #10b981;
    --warning: #f59e0b;
    --border-color: #333;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);

    --font-main: 'Inter',
        sans-serif;
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    font-family: inherit;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    background: linear-gradient(to right, #fff, #a0a0a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    /* Pill shape */
    font-weight: 600;
    transition: all var(--transition-speed) ease;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    box-shadow: 0 4px 14px 0 var(--accent-glow);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 var(--accent-glow);
}

.btn-secondary {
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.05em;
}

.logo span {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-speed);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color);
}

.nav-icons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.cart-icon-wrapper {
    position: relative;
    font-size: 1.25rem;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--brand-yellow);
    color: var(--bg-primary);
    font-size: 0.75rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    background: none;
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    text-align: center;
    background: radial-gradient(circle at top right, #1e3a8a20, transparent 40%),
        radial-gradient(circle at bottom left, #ea580c20, transparent 40%);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero p {
    color: var(--text-secondary);
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-image-container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--glass-border);
}

.hero-image-container img {
    width: 100%;
    display: block;
}

/* Categories Section */
.categories {
    padding: 4rem 0;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.category-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: transform var(--transition-speed), border-color var(--transition-speed);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
}

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

.category-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    background: var(--glass-bg);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--accent-color);
}

/* Products Section */
.products {
    padding: 4rem 0;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-speed);
    border: 1px solid transparent;
}

.product-card:hover {
    border-color: var(--glass-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.product-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: var(--bg-secondary);
}

.product-info {
    padding: 1rem;
}

.product-category {
    font-size: 0.8rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.product-title {
    font-size: 1.1rem;
    margin: 0.5rem 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.product-actions {
    margin-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.add-to-cart-btn {
    background: var(--text-primary);
    color: var(--bg-primary);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: opacity 0.2s;
}

.add-to-cart-btn:hover {
    opacity: 0.9;
}

/* Cart Drawer */
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    backdrop-filter: blur(4px);
}

.cart-overlay.open {
    opacity: 1;
    visibility: visible;
}

.cart-drawer {
    position: fixed;
    top: 0;
    right: -400px;
    width: 100%;
    max-width: 400px;
    height: 100%;
    background: var(--bg-card);
    z-index: 2001;
    transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--border-color);
}

.cart-drawer.open {
    right: 0;
}

.cart-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-header h2 {
    font-size: 1.5rem;
}

.close-cart {
    background: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.cart-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: 12px;
}

.cart-item img {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
}

.cart-item-details {
    flex: 1;
}

.cart-item-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.cart-item-price {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.cart-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
        /* Hidden on mobile initially */
    }

    .mobile-menu-btn {
        display: block;
    }
}