/* assets/css/style.css */
:root {
    --primary-color: #0056b3; /* Jack Blue approximation */
    --text-color: #333;
    --light-gray: #f4f4f4;
    --border-color: #ddd;
}

body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    color: var(--text-color);
    line-height: 1.6;
}

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

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.main-header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.top-bar {
    background: #f8f8f8;
    padding: 8px 0;
    font-size: 13px;
    color: #666;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
}

.contact-info span {
    margin-right: 20px;
}

.nav-bar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo img {
    height: 40px;
}

.nav-bar nav ul {
    display: flex;
}

.nav-bar nav ul li {
    margin-left: 30px;
}

.nav-bar nav ul li a {
    font-weight: 500;
    text-transform: uppercase;
    font-size: 14px;
    transition: color 0.3s;
}

.nav-bar nav ul li a:hover,
.nav-bar nav ul li a.active {
    color: var(--primary-color);
}

/* Product Detail */
.product-detail-page {
    padding: 40px 0;
}

.breadcrumb {
    font-size: 14px;
    color: #999;
    margin-bottom: 20px;
}

.product-hero {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
}

.product-gallery {
    flex: 1;
}

.product-gallery img {
    width: 100%;
    border: 1px solid var(--border-color);
}

.product-info {
    flex: 1;
}

.product-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 10px;
}

.product-subtitle {
    font-size: 20px;
    color: #666;
    margin-bottom: 20px;
    font-weight: 300;
}

.product-description {
    font-size: 16px;
    color: #555;
    margin-bottom: 30px;
}

.action-buttons .btn {
    display: inline-block;
    padding: 10px 25px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 4px;
    font-weight: 500;
    margin-right: 15px;
}

.action-buttons .btn:hover {
    opacity: 0.9;
}

/* Tabs */
.product-tabs {
    margin-top: 40px;
}

.tab-headers {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.tab-link {
    padding: 15px 30px;
    cursor: pointer;
    font-weight: 500;
    border-bottom: 3px solid transparent;
}

.tab-link.active {
    border-bottom-color: var(--primary-color);
    color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Parameters Table */
.param-table {
    width: 100%;
    border-collapse: collapse;
}

.param-table th, .param-table td {
    padding: 12px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.param-table th {
    background: #f9f9f9;
    font-weight: 600;
    width: 30%;
}

/* Footer */
.main-footer {
    background: #222;
    color: #fff;
    padding: 60px 0 20px;
    margin-top: 60px;
}

.footer-columns {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-columns h4 {
    font-size: 16px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

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

.footer-columns ul li a {
    color: #aaa;
    font-size: 14px;
}

.footer-columns ul li a:hover {
    color: #fff;
}

.copyright {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    color: #666;
    font-size: 13px;
}