/* ---  General & Root Styles --- */
:root {
    --bg-main: #1A202C;
    --bg-card: #2D3748;
    --accent-teal: #4FD1C5;
    --accent-teal-dark: #38B2AC;
    --text-light: #E2E8F0;
    --text-muted: #A0AEC0;
    --border-color: #4A5568;
    --font-family: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-main);
    color: var(--text-light);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1280px;
    margin: 0 auto;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

button {
    font-family: inherit;
}

/* --- Header Styles --- */
.site-header {
    background-color: var(--bg-main);
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.5rem;
}

.logo img {
    height: 70px;
    width: auto;
    
}

.main-nav {
    display: flex;
    gap: 30px;
}

.main-nav a {
    font-weight: 500;
    color: var(--text-muted);
}

.main-nav a.active,
.main-nav a:hover {
    color: var(--text-light);
}

.header-icons {
    display: flex;
    gap: 20px;
    font-size: 1.2rem;
}

.header-icons a {
    color: var(--text-muted);
}

.header-icons a:hover {
    color: var(--text-light);
}

/* --- Main Content --- */
.site-main {
    padding: 60px 0;
}

.product-page-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 320px;
    gap: 40px;
    align-items: flex-start;
}

.product-image-column img {
    width: 100%;
    border-radius: 12px;
}

/* Details Column */
.breadcrumbs {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 15px;
}

.breadcrumbs a:hover {
    color: var(--accent-teal);
}

.product-details-column h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 15px;
}

.reviews {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
}

.stars {
    color: #F6E05E;
    /* Yellow */
}

.description {
    color: var(--text-muted);
    max-width: 500px;
    margin-bottom: 30px;
}

.options-group {
    margin-bottom: 25px;
}

.options-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
}

.color-selector {
    display: flex;
    gap: 10px;
}

.color-swatch {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
}

.color-swatch.active {
    border-color: var(--accent-teal);
}

.size-selector {
    display: flex;
    gap: 10px;
}

.size-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-light);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 500;
    cursor: pointer;
}

.size-btn.active,
.size-btn:hover {
    background: var(--accent-teal);
    color: var(--bg-main);
    border-color: var(--accent-teal);
}

/* CTA Column */
.cta-card {
    background-color: var(--bg-card);
    padding: 30px;
    border-radius: 12px;
}

.price-section {
    display: flex;
    align-items: baseline;
    gap: 15px;
    margin-bottom: 15px;
}

.current-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-teal);
}

.original-price {
    color: var(--text-muted);
    text-decoration: line-through;
}

.stock-status {
    font-weight: 600;
    margin-bottom: 20px;
}

.stock-status i {
    color: #68D391;
    /* Green */
}

.info-line {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.quantity-selector {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0;
}

.quantity-controls {
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.quantity-controls button {
    background: var(--bg-main);
    border: none;
    color: #fff;
    padding: 8px 15px;
    cursor: pointer;
}

.quantity-controls input {
    width: 40px;
    text-align: center;
    border: none;
    background: transparent;
    color: #fff;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

.cta-card .btn {
    width: 100%;
    padding: 14px;
    font-weight: 700;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-primary {
    background-color: var(--accent-teal);
    color: var(--bg-main);
}

.btn-primary:hover {
    background-color: var(--accent-teal-dark);
}

.btn-secondary {
    background-color: var(--border-color);
    color: var(--text-light);
    margin-top: 10px;
}

.btn-secondary:hover {
    background-color: #718096;
}

/* --- Footer --- */
.site-footer {
    background-color: #11141a;
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h4 {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.footer-column p {
    color: var(--text-muted);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 10px;
}

.footer-column a:hover {
    color: var(--accent-teal);
}

.newsletter-form {
    display: flex;
    margin-top: 15px;
}

.newsletter-form input {
    flex-grow: 1;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    padding: 10px;
    color: #fff;
    border-radius: 6px 0 0 6px;
}

.newsletter-form button {
    background: var(--accent-teal);
    color: var(--bg-main);
    border: none;
    padding: 0 15px;
    font-weight: 600;
    border-radius: 0 6px 6px 0;
    cursor: pointer;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a:hover {
    color: var(--accent-teal);
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
    .product-page-grid {
        grid-template-columns: 1fr 1fr;
    }

    .product-cta-column {
        grid-column: 1 / -1;
        margin-top: 20px;
    }
}

@media (max-width: 768px) {
    .site-header .main-nav {
        display: none;
    }

    .product-page-grid {
        grid-template-columns: 1fr;
    }

    .product-details-column h1 {
        font-size: 2.2rem;
    }

    .footer-bottom {
        flex-direction: column-reverse;
        gap: 15px;
    }
}