/*
--- TABLE OF CONTENTS ---
1.  Global Styles & Variables
2.  General Utility Classes
3.  Header & Navigation
4.  Footer
5.  Page Header (for internal pages)
6.  Buttons & Forms
7.  Hero Section
8.  Stats Component
9.  Section Styles (Headers, Spacing)
10. Courses Section (Grid & Cards)
11. Why Choose Us Section
12. Instructors Section
13. Testimonials Section
14. CTA (Call to Action) Section
15. Contact Page Styles
16. FAQ Section (Accordion)
17. Legal Pages (Privacy, Terms, Disclaimer)
18. Popup (Contact Form Success)
19. Animations & Scroll Effects
20. Responsive Media Queries
*/

/* 1. Global Styles & Variables
-------------------------------------------------- */
:root {
    --primary-color: #33FFC2;
    /* Bright Cyan from logo */
    --primary-color-dark: #29cc9b;
    --bg-dark: #0D1117;
    --bg-light: #161B22;
    --border-color: #30363d;
    --text-primary: #F0F6FC;
    --text-secondary: #c9d1d9;
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Lato', sans-serif;
    --header-height: 80px;
    --border-radius: 8px;
    --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.2);
    --shadow-strong: 0 8px 30px rgba(0, 0, 0, 0.4);
    --transition-fast: 0.2s ease-in-out;
    --transition-slow: 0.4s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    background-color: var(--bg-dark);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 2. General Utility Classes
-------------------------------------------------- */
.text-center {
    text-align: center;
}

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

/* 3. Header & Navigation
-------------------------------------------------- */
.header {
    background-color: transparent;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: var(--header-height);
    transition: background-color var(--transition-slow), box-shadow var(--transition-slow);
}

.header.scrolled {
    background-color: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo-link img {
    height: 40px;
    transition: transform var(--transition-fast);
}

.logo-link:hover img {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav-link {
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-slow);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.menu-toggle,
.nav-close {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* 4. Footer
-------------------------------------------------- */
.footer {
    background-color: var(--bg-light);
    padding: 80px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-about-text {
    margin: 20px 0;
}

.footer-logo-link img {
    height: 45px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: var(--border-color);
    color: var(--text-secondary);
    border-radius: 50%;
    transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: var(--bg-dark);
    transform: translateY(-3px);
}

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

.footer-links ul li a {
    color: var(--text-secondary);
}

.footer-links ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact ul li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 15px;
}

.footer-contact ul li i {
    color: var(--primary-color);
    margin-top: 5px;
}

.footer-contact ul li a {
    color: var(--text-secondary);
}

.footer-contact ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* 5. Page Header (for internal pages)
-------------------------------------------------- */
.page-header {
    padding: 160px 0 80px;
    background: linear-gradient(rgba(13, 17, 23, 0.7), rgba(13, 17, 23, 1)), url('https://images.pexels.com/photos/1779487/pexels-photo-1779487.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1') no-repeat center center/cover;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.breadcrumbs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.breadcrumbs a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.breadcrumbs span {
    color: var(--primary-color);
}

/* 6. Buttons & Forms
-------------------------------------------------- */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-slow);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--bg-dark);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-color-dark);
    border-color: var(--primary-color-dark);
    color: var(--bg-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(51, 255, 194, 0.2);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--bg-dark);
    transform: translateY(-3px);
}

.btn-lg {
    padding: 15px 40px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 8px 15px;
    font-size: 0.8rem;
}

.btn-full {
    width: 100%;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(51, 255, 194, 0.3);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2333FFC2' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
}

/* 7. Hero Section
-------------------------------------------------- */
.hero {
    position: relative;
    padding: 180px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(13, 17, 23, 1) 10%, rgba(13, 17, 23, 0.6)), url('https://images.pexels.com/photos/590493/pexels-photo-590493.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1') no-repeat center center/cover;
    z-index: -1;
}

.hero-content {
    text-align: center;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 40px;
    color: var(--text-secondary);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* 8. Stats Component
-------------------------------------------------- */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 80px;
    padding: 30px;
    background: rgba(22, 27, 34, 0.6);
    backdrop-filter: blur(5px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    text-align: center;
    flex: 1;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 9. Section Styles
-------------------------------------------------- */
.courses-section,
.why-choose-us,
.instructors-section,
.testimonials-section,
.cta-section,
.contact-page-section,
.faq-section,
.main-content {
    padding: 100px 0;
}

.why-choose-us {
    background-color: var(--bg-light);
}

.section-header {
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    color: var(--primary-color);
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.section-title {
    font-size: 2.8rem;
    margin-bottom: 15px;
}

.section-intro {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-secondary);
}

/* 10. Courses Section (Grid & Cards)
-------------------------------------------------- */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.course-card {
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.course-image {
    position: relative;
}

.course-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.course-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--primary-color);
    color: var(--bg-dark);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.course-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.course-meta i {
    color: var(--primary-color);
}

.course-title {
    font-size: 1.2rem;
    margin-bottom: 15px;
    flex-grow: 1;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
    margin-top: auto;
}

.course-price {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* 11. Why Choose Us Section
-------------------------------------------------- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    background-color: var(--bg-dark);
    padding: 40px 30px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform var(--transition-slow), border-color var(--transition-slow);
}

.feature-item:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-title {
    margin-bottom: 15px;
}

/* 12. Instructors Section
-------------------------------------------------- */
.instructor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.instructor-card {
    text-align: center;
}

.instructor-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto 20px;
    overflow: hidden;
    border: 4px solid var(--primary-color);
}

.instructor-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.instructor-name {
    margin-bottom: 5px;
}

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

.instructor-socials {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.instructor-socials a {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

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

/* 13. Testimonials Section
-------------------------------------------------- */
.testimonials-section {
    background-color: var(--bg-light);
}

.testimonial-wrapper {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 50px;
}

.testimonial-slider {
    position: relative;
    overflow: hidden;
    height: 350px;
    /* Adjust as needed */
}

.testimonial-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.testimonial-slide.active {
    opacity: 1;
}

.testimonial-photo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 3px solid var(--primary-color);
}

.testimonial-text {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 20px;
    max-width: 650px;
}

.testimonial-author {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.testimonial-course {
    color: var(--primary-color);
    font-weight: 500;
}

.slider-controls {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
}

.slider-btn {
    background: var(--border-color);
    border: none;
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

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

.prev-btn {
    margin-left: -50px;
}

.next-btn {
    margin-right: -50px;
}

/* 14. CTA (Call to Action) Section
-------------------------------------------------- */
.cta-section {
    background: linear-gradient(45deg, var(--primary-color), #29cc9b);
}

.cta-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.cta-title,
.cta-text {
    color: var(--bg-dark);
}

.cta-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.cta-text {
    font-size: 1.1rem;
    color: #161B22;
}

.cta-action .btn-primary {
    background-color: var(--bg-dark);
    color: var(--primary-color);
    border-color: var(--bg-dark);
}

.cta-action .btn-primary:hover {
    background-color: #000;
    border-color: #000;
}

/* 15. Contact Page Styles
-------------------------------------------------- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    background-color: var(--bg-light);
    padding: 50px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.contact-info-panel h3 {
    margin-bottom: 15px;
}

.contact-info-panel p {
    margin-bottom: 30px;
}

.contact-details-list li {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
}

.contact-details-list i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 5px;
}

.contact-details-list h4 {
    margin-bottom: 5px;
}

.contact-details-list a,
.contact-details-list p {
    color: var(--text-secondary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* 16. FAQ Section (Accordion)
-------------------------------------------------- */
.faq-section {
    background-color: var(--bg-light);
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    text-align: left;
    color: var(--text-primary);
    font-size: 1.2rem;
    font-family: var(--font-heading);
    cursor: pointer;
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-question i {
    transition: transform var(--transition-slow);
    font-size: 1rem;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-answer p {
    padding-bottom: 20px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-item.active .faq-answer {
    max-height: 300px;
    /* Adjust if needed */
}

/* 17. Legal Pages (Privacy, Terms, Disclaimer)
-------------------------------------------------- */
.page-content {
    background-color: var(--bg-light);
    padding: 50px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.page-content h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-top: 40px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.page-content p {
    margin-bottom: 20px;
}

.page-content ul {
    list-style: disc;
    padding-left: 20px;
    margin-bottom: 20px;
}

.page-content ul li {
    margin-bottom: 10px;
}

/* 18. Popup (Contact Form Success)
-------------------------------------------------- */
.popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.popup.show {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: var(--border-radius);
    text-align: center;
    max-width: 400px;
    width: 90%;
    border: 1px solid var(--border-color);
    transform: scale(0.9);
    transition: transform var(--transition-slow);
}

.popup.show .popup-content {
    transform: scale(1);
}

.popup-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.popup-content h3 {
    margin-bottom: 10px;
}

.popup-content p {
    margin-bottom: 30px;
}

/* 19. Animations & Scroll Effects
-------------------------------------------------- */
.animate-on-scroll {
    opacity: 0;
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.animate-on-scroll.fade-in-up {
    transform: translateY(50px);
}

.animate-on-scroll.fade-in-left {
    transform: translateX(-50px);
}

.animate-on-scroll.fade-in-right {
    transform: translateX(50px);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* 20. Responsive Media Queries
-------------------------------------------------- */
@media (max-width: 992px) {
    h1 {
        font-size: 2.8rem;
    }

    h2 {
        font-size: 2.2rem;
    }

    .hero-title {
        font-size: 3.2rem;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 350px;
        height: 100vh;
        background-color: var(--bg-light);
        flex-direction: column;
        padding: 6rem 2rem 2rem;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
        transition: right var(--transition-slow);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 2.5rem;
    }

    .menu-toggle,
    .nav-close {
        display: block;
    }

    .nav-close {
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
    }

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

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .courses-section,
    .why-choose-us,
    .instructors-section,
    .testimonials-section,
    .cta-section,
    .contact-page-section,
    .faq-section,
    .main-content {
        padding: 80px 0;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
        padding: 20px;
    }

    .cta-container {
        text-align: center;
        justify-content: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-col-title::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .social-links,
    .footer-contact ul li {
        justify-content: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .testimonial-wrapper {
        padding: 0;
    }

    .slider-controls {
        display: none;
        /* Hide arrows on mobile for a simpler swipe interface (if implemented) */
    }

    .testimonial-slider {
        height: 400px;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 15px;
    }

    h1 {
        font-size: 2.2rem;
    }

    .hero-title {
        font-size: 2.4rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .hero {
        padding: 140px 0 80px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }

    .course-grid {
        grid-template-columns: 1fr;
    }

    .page-content,
    .contact-wrapper {
        padding: 30px;
    }
}