/* --- Global Styles & Variables --- */
:root {
    --primary-color: #d4af37;
    /* Gold */
    --secondary-color: #c0c0c0;
    /* Silver */
    --dark-bg: #1a1a1a;
    --medium-bg: #2c2c2c;
    --light-bg: #f4f4f4;
    --text-color: #ffffff;
    --text-dark: #333333;
    --font-family: 'Poppins', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--light-bg);
    color: var(--text-dark);
    line-height: 1.6;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul {
    list-style: none;
}

h1,
h2,
h3,
h4 {
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.2rem;
}

h2 {
    font-size: 1.8rem;
}

h3 {
    font-size: 1.4rem;
}

img {
    max-width: 100%;
    display: block;
}

/* --- Header Styles --- */
.site-header {
    background-color: var(--dark-bg);
    color: var(--text-color);
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 2rem;
    background-color: #111;
    font-size: 0.8rem;
}

.top-bar a {
    color: var(--secondary-color);
    padding: 0.5rem;
    transition: color 0.3s;
}

.top-bar a:hover,
.top-bar a.active {
    color: var(--primary-color);
    text-decoration: none;
}

.main-header {
    padding: 1rem 2rem;
    border-top: 1px solid #333;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo img {
    height: 50px;
}

.main-nav {
    display: flex;
    gap: 1.5rem;
}

.main-nav a {
    color: var(--text-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s;
}

.main-nav a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.nav-icon {
    font-size: 0.5rem;
    color: var(--primary-color);
}

.search-bar {
    position: relative;
}

.search-bar input {
    padding: 0.5rem 2rem 0.5rem 1rem;
    border: 1px solid var(--secondary-color);
    border-radius: 20px;
    background-color: var(--medium-bg);
    color: var(--text-color);
}

.search-bar .fa-search {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--secondary-color);
}

.mobile-menu-toggle {
    display: none;
    /* Hidden on desktop */
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Main Content --- */
main {
    padding: 2rem;
}

.product-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: auto;
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.product-image-column .main-product-image {
    border-radius: 8px;
    width: 100%;
    object-fit: cover;
}

.product-details-column>* {
    margin-bottom: 1.25rem;
}

.action-buttons {
    display: flex;
    gap: 1rem;
}

.btn-login,
.btn-register {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
    text-align: center;
}

.btn-login {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

.btn-register {
    background-color: var(--dark-bg);
    color: var(--text-color);
}

.btn-login:hover,
.btn-register:hover {
    transform: scale(1.05);
    text-decoration: none;
}

.rating .stars {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.rating .rating-text {
    margin-left: 0.5rem;
    color: #666;
}

.price-section {
    display: flex;
    align-items: baseline;
    gap: 1rem;
}

.current-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.original-price {
    text-decoration: line-through;
    color: #999;
}

.discount {
    background-color: #ffeded;
    color: #e53935;
    padding: 0.2rem 0.5rem;
    border-radius: 5px;
    font-weight: 600;
}

.quantity-controls {
    display: flex;
    align-items: center;
}

.quantity-controls input {
    width: 50px;
    text-align: center;
    border: 1px solid #ccc;
    padding: 0.5rem;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border: 1px solid #ccc;
    background: #f0f0f0;
    cursor: pointer;
}

.description-section p {
    margin-bottom: 1rem;
}

.features-list {
    margin-top: 1rem;
}

.features-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.features-list i {
    color: var(--primary-color);
    margin-top: 0.2rem;
}

/* --- Footer Styles --- */
.site-footer {
    background-color: var(--dark-bg);
    color: var(--secondary-color);
    padding: 3rem 2rem 1rem;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 2rem;
}

.footer-column h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-column.links ul li a {
    color: var(--secondary-color);
    display: block;
    padding: 0.3rem 0;
    transition: color 0.3s, padding-left 0.3s;
}

.footer-column.links ul li a:hover {
    color: var(--primary-color);
    text-decoration: none;
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-icons a {
    color: var(--secondary-color);
    font-size: 1.5rem;
    transition: color 0.3s, transform 0.3s;
}

.social-icons a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: auto;
    font-size: 0.9rem;
}

.payment-logos {
    display: flex;
    gap: 1rem;
    font-size: 2rem;
}

/* --- Responsive Styles --- */
@media (max-width: 992px) {
    .main-nav {
        display: none;
        /* Hide desktop nav */
        position: absolute;
        top: 100%;
        /* Position below header */
        left: 0;
        width: 100%;
        background-color: var(--dark-bg);
        flex-direction: column;
        padding: 1rem;
        border-top: 1px solid #444;
    }

    .main-nav.active {
        display: flex;
        /* Show when toggled */
    }

    .header-left {
        gap: 1rem;
    }

    .header-content {
        flex-wrap: wrap;
    }

    .mobile-menu-toggle {
        display: block;
        /* Show hamburger icon */
    }
}

@media (max-width: 768px) {
    .product-container {
        grid-template-columns: 1fr;
    }

    .top-bar {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.5rem 1rem;
    }

    .header-content,
    .header-left,
    .header-right {
        gap: 1rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}