:root {
    --primary: #007BFF;
    --primary-dark: #0056b3;
    --secondary: #28A745;
    --text-dark: #333;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --white: #fff;
    --border-color: #ddd;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

/* RTL Support */
[dir="rtl"] {
    font-family: 'Noto Sans Arabic', 'Roboto', sans-serif;
    text-align: right;
}

[lang="ar"] {
    font-family: 'Noto Sans Arabic', 'Roboto', sans-serif;
}

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

/* Header */
header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
}

.lang-switch button {
    background: none;
    border: 1px solid var(--border-color);
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 4px;
    margin-left: 5px;
    transition: var(--transition);
}

.lang-switch button:hover,
.lang-switch button.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* Navigation */
nav {
    margin-top: 1rem;
    width: 100%;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 15px;
    padding-bottom: 5px;
    align-items: center;
    /* Align items vertically */
}

/* Base link style */
.nav-links a,
.dropbtn {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    white-space: nowrap;
    padding: 5px 10px;
    border-radius: 4px;
    transition: none;
    /* Removed transition to stop flash */
    display: inline-block;
}

.nav-links a:hover,
.dropdown:hover .dropbtn {
    background-color: var(--primary);
    color: var(--white);
}

/* Dropdown Container */
.dropdown {
    position: relative;
    display: inline-block;
}

/* Dropdown Content (Hidden by Default) */
/* Dropdown Content (Hidden by Default) */
.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 250px;
    /* Wider for category names */
    max-height: 60vh;
    /* Max height to avoid going off screen */
    overflow-y: auto;
    /* Enable vertical scrolling */
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    z-index: 2000;
    border-radius: 4px;
    top: 100%;
    /* Below the button */
    left: 0;
}

/* Show on hover */
.dropdown:hover .dropdown-content {
    display: block;
}

/* Links inside the dropdown */
.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
}

.dropdown-content a:hover {
    background-color: #f1f1f1;
    color: var(--primary);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    padding: 3rem 0;
    text-align: center;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.product-card {
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: contain;
    background: #fff;
    padding: 10px;
    border-bottom: 1px solid #eee;
}

.product-info {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-category {
    font-size: 0.85rem;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.product-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.product-desc {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 4px;
    text-align: center;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

.btn-block {
    display: block;
    width: 100%;
}

/* Detail Page */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .product-detail {
        grid-template-columns: 1fr;
    }
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

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

[dir="rtl"] .specs-table th,
[dir="rtl"] .specs-table td {
    text-align: right;
}

.specs-table th {
    background: var(--bg-light);
    font-weight: 600;
}

/* Industrial Piles Table */
.piles-table-container {
    overflow-x: auto;
    margin-bottom: 3rem;
}

.piles-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.piles-table th,
.piles-table td {
    padding: 10px;
    border: 1px solid #ccc;
    text-align: center;
    font-size: 0.9rem;
}

.piles-table th {
    background: var(--primary);
    color: var(--white);
    position: sticky;
    top: 0;
    /* Note: requires container max-height if we want vertical scroll, but here we want full page */
}

/* Contact Section */
.contact-info {
    text-align: center;
    padding: 3rem 0;
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

/* Footer */
footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
    margin-top: auto;
}

/* Language Visibility */
/* By default show all, JS will toggle 'display: none' on irrelevant spans */
/* Actually, best approach for a clean UI:
   Identify translatable elements with data attributes or classes.
   .lang-fr, .lang-en, .lang-ar
*/

/* Language Visibility - Fail Open Strategy */

/* Default: Show FR, Hide others */
.lang-fr {
    display: inline;
}

.lang-en,
.lang-ar {
    display: none;
}

/* Block defaults */
.lang-block-fr {
    display: block;
}

.lang-block-en,
.lang-block-ar {
    display: none;
}

/* Specific Overrides based on Body Class */
/* When French is active (explicit or default) */
body.lang-fr .lang-fr {
    display: inline;
}

body.lang-fr .lang-en,
body.lang-fr .lang-ar {
    display: none;
}

body.lang-fr .lang-block-fr {
    display: block;
}

body.lang-fr .lang-block-en,
body.lang-fr .lang-block-ar {
    display: none;
}

/* When English is active */
body.lang-en .lang-fr,
body.lang-en .lang-ar {
    display: none;
}

body.lang-en .lang-en {
    display: inline;
}

body.lang-en .lang-block-fr,
body.lang-en .lang-block-ar {
    display: none;
}

body.lang-en .lang-block-en {
    display: block;
}

/* When Arabic is active */
body.lang-ar .lang-fr,
body.lang-ar .lang-en {
    display: none;
}

body.lang-ar .lang-ar {
    display: inline;
}

body.lang-ar .lang-block-fr,
body.lang-ar .lang-block-en {
    display: none;
}

body.lang-ar .lang-block-ar {
    display: block;
}