/* متغيرات الألوان المأخوذة من styles.css */
:root {
    /* الألوان الأساسية */
    --primary-blue: #3f51b5;
    --primary-light: #757de8;
    --primary-dark: #002984;
    --primary-bg: #f5f7ff;

    /* ألوان التكامل */
    --accent-green: #4caf50;
    --accent-orange: #ff9800;
    --accent-red: #f44336;

    /* الألوان المحايدة */
    --white: #ffffff;
    --light-bg: #f5f7fa;
    --card-bg: #ffffff;
    --text-dark: #263238;
    --text-medium: #546e7a;
    --text-light: #90a4ae;
    --border-color: #e0e0e0;
    --light-gray: #f5f5f5;
    --medium-gray: #e0e0e0;
    --dark-gray: #757575;
    --black: #212121;

    /* العناصر التفاعلية */
    --hover-blue: #5c6bc0;
    --active-blue: #3949ab;

    /* التنسيقات العامة */
    --border-radius: 12px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family: 'Tajawal', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-dark);
    direction: rtl;
    line-height: 1.6;
}

/* Navbar Styles */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1.2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-blue);
}

.nav-link.active {
    color: var(--primary-blue);
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-blue);
    border-radius: 3px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-blue);
    cursor: pointer;
}

/* Courses Page Styles */
.courses-page {
    padding: 5rem 5%;
}

.courses-header {
    text-align: center;
    margin-bottom: 3rem;
}

.courses-header h2 {
    font-size: 2.3rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.courses-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: 0;
    width: 70px;
    height: 3px;
    background-color: var(--primary-blue);
    border-radius: 3px;
}

/* Search and Filter Styles */
.search-filter {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.search-input, .category-filter, .level-filter {
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    min-width: 200px;
    background-color: var(--white);
    color: var(--text-dark);
    transition: var(--transition);
}

.search-input:focus, .category-filter:focus, .level-filter:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 2px rgba(63, 81, 181, 0.2);
}

/* Courses Container Styles */
.courses-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.course-item {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.course-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.course-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
}

.course-info {
    padding: 1.5rem;
}

.course-title {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--text-dark);
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.2rem;
    color: var(--text-medium);
}

.course-price {
    font-weight: 700;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.course-price.free {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--accent-green);
}

.btn {
    display: inline-block;
    padding: 0.7rem 1.5rem;
    background-color: var(--primary-blue);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    box-shadow: var(--box-shadow);
}

.btn:hover {
    background-color: var(--hover-blue);
    transform: translateY(-2px);
}

.learn-btn {
    width: 100%;
}

/* Footer Styles */
.site-footer {
    background: linear-gradient(to right, var(--primary-dark), var(--primary-blue));
    color: var(--white);
    padding: 4rem 5% 0;
}

.footer-container {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.footer-brand {
    flex: 1;
    min-width: 250px;
}

.footer-logo {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-description {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition);
    font-size: 1.1rem;
    text-decoration: none;
}

.social-link:hover {
    background-color: var(--white);
    color: var(--primary-blue);
    transform: translateY(-3px);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
}

.footer-column {
    min-width: 150px;
}

.footer-title {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 50px;
    height: 2px;
    background-color: var(--white);
}

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

.footer-column li {
    margin-bottom: 0.8rem;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-link i {
    font-size: 0.8rem;
}

.footer-link:hover {
    color: var(--white);
    padding-right: 5px;
}

.footer-bottom {
    text-align: center;
    padding: 1.5rem 5%;
    margin-top: 3rem;
    background-color: rgba(0, 0, 0, 0.2);
}

.copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .search-filter {
        flex-direction: column;
        align-items: stretch;
    }

    .footer-container {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
        gap: 2rem;
    }
    
    .courses-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .courses-header h2 {
        font-size: 1.8rem;
    }
    
    .footer-column {
        margin-bottom: 2rem;
    }
}