/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c5f2d;
    --secondary-color: #97bc62;
    --accent-color: #ffc107;
    --text-color: #333;
    --light-text: #666;
    --bg-color: #f8f9fa;
    --white: #ffffff;
    --border-radius: 8px;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

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

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang-switcher {
    background-color: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    font-family: 'Cairo', sans-serif;
    font-size: 0.9rem;
    transition: var(--transition);
}

.lang-switcher:hover {
    background-color: var(--accent-color);
    color: var(--text-color);
    transform: translateY(-2px);
}

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 0.2rem;
}

.logo p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.main-nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
    background-color: rgba(255, 255, 255, 0.2);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    margin: 3px 0;
    border-radius: 3px;
    transition: var(--transition);
}

/* Section Styles */
.section {
    display: none;
    padding: 3rem 0;
    min-height: calc(100vh - 200px);
}

.section.active {
    display: block;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--text-color);
}

.btn-primary:hover {
    background-color: #ffb300;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-small {
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
}

/* Features */
.features {
    padding: 4rem 0;
    background-color: var(--white);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Tabs */
.subject-tabs,
.level-tabs {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-btn,
.level-tab-btn {
    padding: 0.8rem 2rem;
    border: 2px solid var(--primary-color);
    background-color: var(--white);
    color: var(--primary-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    font-family: 'Cairo', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.tab-btn:hover,
.level-tab-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.tab-btn.active,
.level-tab-btn.active {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.content-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-right: 4px solid var(--primary-color);
}

.content-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.content-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.content-card p {
    color: var(--light-text);
    margin-bottom: 1rem;
}

.content-card .level-badge {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.content-card .download-btn {
    display: inline-block;
    margin-top: 1rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
}

.content-card .download-btn:hover {
    text-decoration: underline;
}

.content-card .download-btn.disabled {
    color: #999;
    cursor: not-allowed;
    pointer-events: none;
}

.content-card .download-btn.disabled:hover {
    text-decoration: none;
}

.content-card .no-files {
    color: var(--light-text);
    text-align: center;
    padding: 2rem;
    font-style: italic;
}

.content-card .loading {
    color: var(--primary-color);
    text-align: center;
    padding: 2rem;
    font-weight: 600;
}

.content-card .error {
    color: #dc3545;
    text-align: center;
    padding: 2rem;
    font-weight: 600;
}

/* Documents Section */
.documents-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.document-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.document-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.doc-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.document-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.document-card p {
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

/* Resources Section */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.resource-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.resource-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.resource-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.resource-card p {
    color: var(--light-text);
    margin-bottom: 1rem;
}

.resource-card ul {
    list-style: none;
}

.resource-card li {
    margin-bottom: 0.5rem;
}

.resource-card a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.resource-card a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Divers Section */
.divers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.divers-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.divers-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.divers-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.divers-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.divers-card p {
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.contact-info h3,
.contact-form h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-icon {
    font-size: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.contact-form {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-family: 'Cairo', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.9;
    transition: var(--transition);
}

.footer-section a:hover {
    opacity: 1;
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* RTL/LTR Support */
html[dir="ltr"] {
    text-align: left;
}

html[dir="rtl"] {
    text-align: right;
}

html[dir="ltr"] .content-card {
    border-right: none;
    border-left: 4px solid var(--primary-color);
}

html[dir="ltr"] .header-actions {
    margin-right: auto;
    margin-left: 0;
}

html[dir="rtl"] .header-actions {
    margin-left: auto;
    margin-right: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--primary-color);
        padding: 1rem;
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h2 {
        font-size: 1.5rem;
    }

    .feature-grid,
    .content-grid,
    .documents-list,
    .resources-grid,
    .divers-grid {
        grid-template-columns: 1fr;
    }

    .subject-tabs,
    .level-tabs {
        flex-direction: column;
    }

    .tab-btn,
    .level-tab-btn {
        width: 100%;
    }
}