/* ===== GLOBAL VARIABLES ===== */
:root {
    /* Light Theme Colors */
    --primary-color: #4e57d4;
    --primary-color-hover: #3a42b3;
    --secondary-color: #ff7846;
    --secondary-color-hover: #ff5c20;
    --text-color: #333;
    --text-color-light: #666;
    --bg-color: #fff;
    --bg-color-alt: #f8f9fa;
    --border-color: #e1e1e1;
    --card-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    --header-bg: rgba(255, 255, 255, 0.95);
    --footer-bg: #f8f9fa;
    
    /* Font Settings */
    --body-font: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --arabic-font: 'Segoe UI', 'Tahoma', sans-serif;
    
    /* Spacing */
    --section-padding: 80px 0;
    --section-padding-mobile: 50px 0;
}

/* Dark Theme Colors */
[data-theme="dark"] {
    --primary-color: #6c74e2;
    --primary-color-hover: #8389e9;
    --secondary-color: #ff8c5a;
    --secondary-color-hover: #ff9f75;
    --text-color: #f0f0f0;
    --text-color-light: #b0b0b0;
    --bg-color: #121212;
    --bg-color-alt: #1e1e1e;
    --border-color: #333;
    --card-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    --header-bg: rgba(18, 18, 18, 0.95);
    --footer-bg: #1e1e1e;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
    overflow-x: hidden;
}


body[dir="rtl"] {
    font-family: var(--arabic-font);
    text-align: right;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s;
}

a:hover {
    color: var(--primary-color-hover);
}

img {
    max-width: 100%;
}

.section-header {
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-color);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-color-light);
    max-width: 700px;
    margin: 0 auto;
}

section {
    padding: var(--section-padding);
}

/* ===== BUTTONS ===== */
.btn {
    padding: 10px 25px;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

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

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

.secondary-btn {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-color);
    font-size: 1rem;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 5px;
    transition: all 0.3s;
}

.toggle-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .toggle-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* ===== HEADER & NAVIGATION ===== */
header {
    position: relative;
}

.navbar {
    background-color: var(--header-bg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.navbar-brand img {
    height: 40px;
}

.nav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    margin: 0 10px;
    transition: color 0.3s;
}

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

.nav-controls {
    display: flex;
    align-items: center;
}

/* ===== HERO SECTION ===== */
.hero {
    padding-top: 150px;
    padding-bottom: 80px;
    background-color: var(--bg-color-alt);
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--text-color);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-color-light);
}

.cta-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.hero-image {
    border-radius: 10px;
    box-shadow: var(--card-shadow);
}

/* ===== FEATURES SECTION ===== */
.features {
    background-color: var(--bg-color);
}

.feature-card {
    background-color: var(--bg-color);
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-color);
}

.feature-card p {
    color: var(--text-color-light);
}

/* ===== INSTRUCTORS SECTION ===== */
.instructors {
    background-color: var(--bg-color-alt);
}

.instructor-card {
    background-color: var(--bg-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    margin-bottom: 30px;
    height: 100%;
}

.instructor-img {
    width: 100%;
    height: 250px;
}

.instructor-info {
    padding: 20px;
}

.instructor-info h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--text-color);
}

.instructor-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 10px;
}

.instructor-bio {
    color: var(--text-color-light);
    margin-bottom: 15px;
}

.social-links {
    display: flex;
    flex-direction: column;
}

.social-links a {
    color: var(--text-color-light);
    font-size: 1.2rem;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--primary-color);
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    background-color: var(--bg-color);
}

.testimonial-card {
    background-color: var(--bg-color);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--card-shadow);
    margin-bottom: 30px;
    height: 100%;
    position: relative;
}

.testimonial-quote {
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.2;
    position: absolute;
    top: 20px;
    left: 20px;
}

body[dir="rtl"] .testimonial-quote {
    left: auto;
    right: 20px;
}

.testimonial-text {
    margin: 20px 0;
    font-style: italic;
    color: var(--text-color);
}

.testimonial-author {
    display: flex;
    align-items: center;
    margin-top: 20px;
}

.testimonial-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 15px;
    object-fit: cover;
}

body[dir="rtl"] .testimonial-img {
    margin-right: 0;
    margin-left: 15px;
}

.testimonial-author h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--text-color);
}

.testimonial-author p {
    color: var(--text-color-light);
    font-size: 0.9rem;
}

/* ===== FAQ SECTION ===== */
.faq {
    background-color: var(--bg-color-alt);
}

.accordion-item {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
}

.accordion-button {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-weight: 600;
    padding: 20px;
    box-shadow: none;
}

.accordion-button:not(.collapsed) {
    background-color: var(--bg-color);
    color: var(--primary-color);
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--border-color);
}

.accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23333'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

[data-theme="dark"] .accordion-button::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23fff'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-body {
    padding: 20px;
    color: var(--text-color-light);
}

/* ===== CONTACT SECTION ===== */
.contact {
    background-color: var(--bg-color);
}

.contact-info {
    background-color: var(--bg-color);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--card-shadow);
    height: 100%;
}

.contact-item {
    display: flex;
    margin-bottom: 25px;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 15px;
}

body[dir="rtl"] .contact-icon {
    margin-right: 0;
    margin-left: 15px;
}

.contact-text h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--text-color);
}

.contact-text p {
    color: var(--text-color-light);
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-color-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: all 0.3s;
}

.social-icons a:hover {
    background-color: var(--primary-color);
    color: white;
}

.contact-form {
    background-color: var(--bg-color);
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--card-shadow);
}

.form-control {
    background-color: var(--bg-color-alt);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 12px 15px;
}

.form-control:focus {
    box-shadow: none;
    border-color: var(--primary-color);
    background-color: var(--bg-color-alt);
    color: var(--text-color);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--footer-bg);
    padding: 70px 0 0;
    color: var(--text-color);
}

.footer-widget {
    margin-bottom: 40px;
}

.footer-logo {
    margin-bottom: 20px;
    height: 40px;
}

.footer-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--text-color);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-color-light);
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.newsletter-form .input-group {
    border-radius: 5px;
    overflow: hidden;
}

.newsletter-form .form-control {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

body[dir="rtl"] .newsletter-form .form-control {
    border-radius: 0 5px 5px 0;
}

.newsletter-form .btn {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

body[dir="rtl"] .newsletter-form .btn {
    border-radius: 5px 0 0 5px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    margin-top: 30px;
}

.copyright {
    margin-bottom: 0;
    color: var(--text-color-light);
}

.footer-bottom-links {
    list-style: none;
    display: flex;
    justify-content: flex-end;
    margin-bottom: 0;
}

body[dir="rtl"] .footer-bottom-links {
    justify-content: flex-start;
}

.footer-bottom-links li {
    margin-left: 20px;
}

body[dir="rtl"] .footer-bottom-links li {
    margin-left: 0;
    margin-right: 20px;
}

.footer-bottom-links a {
    color: var(--text-color-light);
    font-size: 0.9rem;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 991px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero {
        padding-top: 120px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .hero-image {
        margin-top: 40px;
    }
    
    section {
        padding: var(--section-padding-mobile);
    }
}

@media (max-width: 767px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .footer-bottom-links {
        justify-content: flex-start;
        margin-top: 15px;
    }
    
    .footer-bottom-links li:first-child {
        margin-left: 0;
    }
    
    body[dir="rtl"] .footer-bottom-links li:first-child {
        margin-right: 0;
    }
}

/* ===== RTL SPECIFIC STYLES ===== */
body[dir="rtl"] .ms-auto {
    margin-left: 0 !important;
    margin-right: auto !important;
}

body[dir="rtl"] .ms-lg-4 {
    margin-left: 0 !important;
    margin-right: 1.5rem !important;
}

body[dir="rtl"] .me-auto {
    margin-right: 0 !important;
    margin-left: auto !important;
}

body[dir="rtl"] .text-end {
    text-align: left !important;
}

body[dir="rtl"] .text-start {
    text-align: right !important;
}