/* ============================================
   IDSW Institut - Styles Principaux
   Thème: Couleurs du drapeau allemand + Vert
   ============================================ */

/* Variables CSS */
:root {
    /* Couleurs du drapeau allemand */
    --black: #000000;
    --red: #DD0000;
    --gold: #FFCC00;
    
    /* Vert */
    --green: #2E7D32;
    --green-light: #4CAF50;
    --green-dark: #1B5E20;
    
    /* Couleurs supplémentaires */
    --white: #FFFFFF;
    --gray-100: #F5F5F5;
    --gray-200: #E0E0E0;
    --gray-300: #BDBDBD;
    --gray-600: #757575;
    --gray-800: #333333;
    --gray-900: #1A1A1A;
    
    /* Typographie */
    --font-primary: 'Poppins', sans-serif;
    
    /* Ombres */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
    
    /* Transitions */
    --transition: all 0.3s ease;
    
    /* Border Radius */
    --radius-sm: 5px;
    --radius-md: 10px;
    --radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* ============================================
   Top Bar
   ============================================ */
.top-bar {
    background-color: var(--black);
    color: var(--white);
    padding: 10px 0;
    font-size: 14px;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.contact-info span {
    margin-right: 20px;
}

.contact-info i {
    margin-right: 5px;
    color: var(--gold);
}

.language-selector a {
    color: var(--white);
    text-decoration: none;
    margin-left: 15px;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.language-selector a.active {
    background-color: var(--red);
}

.language-selector a:hover {
    background-color: rgba(255,255,255,0.1);
}

.language-selector img {
    vertical-align: middle;
    border-radius: 2px;
}

/* ============================================
   Navigation
   ============================================ */
.main-header {
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--gold);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--black);
}

.logo span {
    color: var(--red);
}

.logo a {
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 5px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray-800);
    padding: 10px 15px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-weight: 500;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: var(--red);
    color: var(--white);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    list-style: none;
    padding: 10px 0;
    z-index: 100;
    border-top: 3px solid var(--red);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    padding: 10px 20px;
    display: block;
    border-radius: 0;
}

.dropdown-menu li a:hover {
    background-color: var(--gray-100);
    color: var(--red);
}

/* Free Course Button */
.btn-free-course {
    margin-left: 10px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 25px;
    background: linear-gradient(135deg, var(--red), #C62828);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 15px;
    box-shadow: 0 4px 15px rgba(221, 0, 0, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #C62828, var(--red));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(221, 0, 0, 0.4);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 25px;
    background: transparent;
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid var(--white);
    cursor: pointer;
    font-size: 15px;
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background-color: var(--black);
    transition: var(--transition);
    border-radius: 3px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(135deg, var(--black) 0%, #333 50%, var(--green-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="none" stroke="%23FFCC00" stroke-width="2" d="M0,160L48,176C96,192,192,224,288,213.3C384,203,480,149,576,138.7C672,128,768,160,864,181.3C960,203,1056,213,1152,202.7C1248,192,1344,160,1392,144L1440,128"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.5) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.2;
    text-transform: uppercase;
    background: linear-gradient(to right, var(--white), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

.hero-wave {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
}

.hero-wave svg {
    display: block;
}

/* ============================================
   Stats Section
   ============================================ */
.stats {
    padding: 60px 0;
    background-color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background-color: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--gold);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    font-size: 2.5rem;
    color: var(--red);
    margin-bottom: 15px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 10px;
}

.stat-label {
    color: var(--gray-600);
    font-weight: 500;
}

/* ============================================
   Services Section
   ============================================ */
.services-section {
    padding: 80px 0;
    background-color: var(--gray-100);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    color: var(--black);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--black), var(--red), var(--gold));
    margin: 15px auto;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border-bottom: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-bottom-color: var(--red);
}

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

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--black);
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.btn-link {
    color: var(--red);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-link:hover {
    color: var(--green);
}

.btn-link i {
    transition: var(--transition);
}

.btn-link:hover i {
    transform: translateX(5px);
}

/* ============================================
   Campus Section
   ============================================ */
.campus-section {
    padding: 80px 0;
}

.campus-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.campus-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--black);
}

.campus-text p {
    color: var(--gray-600);
    margin-bottom: 30px;
}

.campus-features {
    list-style: none;
    margin-bottom: 30px;
}

.campus-features li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.campus-features i {
    color: var(--green);
    font-size: 1.2rem;
}

.campus-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--black), #2A2A2A);
    color: var(--white);
}

.testimonials-section .section-title {
    color: var(--white);
}

.testimonials-section .section-title::after {
    background: linear-gradient(to right, var(--gold), var(--red), var(--gold));
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.testimonial-card {
    background-color: rgba(255,255,255,0.1);
    padding: 30px;
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.testimonial-card:hover {
    background-color: rgba(255,255,255,0.15);
    transform: translateY(-5px);
}

.testimonial-quote {
    font-size: 2rem;
    color: var(--gold);
    margin-bottom: 15px;
}

.testimonial-card p {
    margin-bottom: 20px;
    font-style: italic;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--gold);
}

.testimonial-author h4 {
    font-size: 1rem;
    margin-bottom: 5px;
}

.testimonial-author span {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--green), var(--green-dark));
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn-large {
    padding: 15px 35px;
    font-size: 1.1rem;
}

/* ============================================
   Page Hero (Pages internes)
   ============================================ */
.page-hero {
    padding: 80px 0;
    text-align: center;
    color: var(--white);
    position: relative;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.team-hero {
    background: url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?w=1200') center/cover;
}

.contact-hero {
    background: url('https://images.unsplash.com/photo-1423666639041-f56000c27a9a?w=1200') center/cover;
}

.free-course-hero {
    background: linear-gradient(135deg, var(--red), var(--green-dark));
}

.gallery-hero {
    background: url('https://images.unsplash.com/photo-1523240795612-9a054b0db644?w=1200') center/cover;
}

/* ============================================
   Team Section
   ============================================ */
.team-section {
    padding: 80px 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.team-image {
    position: relative;
    overflow: hidden;
    height: 300px;
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.team-card:hover .team-image img {
    transform: scale(1.1);
}

.team-social {
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    transition: var(--transition);
}

.team-card:hover .team-social {
    bottom: 0;
}

.team-social a {
    width: 40px;
    height: 40px;
    background-color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--black);
    text-decoration: none;
    transition: var(--transition);
}

.team-social a:hover {
    background-color: var(--red);
    color: var(--white);
}

.team-info {
    padding: 25px;
    text-align: center;
}

.team-info h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: var(--black);
}

.team-info span {
    display: block;
    color: var(--red);
    font-weight: 600;
    margin-bottom: 10px;
}

.team-info p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.contact-info-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.info-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border-top: 3px solid transparent;
}

.info-card:hover {
    border-top-color: var(--red);
    transform: translateY(-5px);
}

.info-icon {
    font-size: 2rem;
    color: var(--red);
    margin-bottom: 15px;
}

.info-card h3 {
    margin-bottom: 10px;
    color: var(--black);
}

.info-card p {
    color: var(--gray-600);
}

.contact-form-container {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.alert {
    padding: 15px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.map-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* ============================================
   Free Course Section
   ============================================ */
.free-course-section {
    padding: 80px 0;
}

.free-course-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.course-benefits h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--black);
}

.course-benefits ul {
    list-style: none;
}

.course-benefits li {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
    color: var(--gray-800);
}

.course-benefits i {
    color: var(--green);
    font-size: 1.3rem;
}

.registration-form {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-top: 5px solid var(--red);
}

.registration-form h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    text-align: center;
    color: var(--black);
}

/* ============================================
   Gallery Section
   ============================================ */
.gallery-section {
    padding: 80px 0;
}

.gallery-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    border: 2px solid var(--gray-200);
    background-color: var(--white);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
    background-color: var(--red);
    color: var(--white);
    border-color: var(--red);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    color: var(--white);
    font-size: 3rem;
}

/* ============================================
   Footer
   ============================================ */
.main-footer {
    background-color: var(--black);
    color: var(--white);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--gold);
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--white);
    position: relative;
    padding-bottom: 10px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--red);
}

.footer-section p {
    color: var(--gray-300);
    margin-bottom: 20px;
}

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

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

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

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

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

.footer-section ul li a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition);
}

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

.contact-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-300);
}

.contact-list i {
    color: var(--gold);
    width: 20px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: var(--radius-sm);
    background-color: rgba(255,255,255,0.1);
    color: var(--white);
}

.newsletter-form input::placeholder {
    color: var(--gray-300);
}

.newsletter-form button {
    padding: 12px 20px;
    background-color: var(--red);
    color: var(--white);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: #C62828;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-bottom p {
    color: var(--gray-300);
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition);
}

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

/* ============================================
   Scroll to Top
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--red);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 999;
}

.scroll-top.visible {
    display: flex;
}

.scroll-top:hover {
    background-color: var(--black);
    transform: translateY(-3px);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .services-grid,
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background-color: var(--white);
        flex-direction: column;
        padding: 80px 30px 30px;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
        z-index: 1001;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: 20px;
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .campus-content,
    .contact-grid,
    .free-course-content {
        grid-template-columns: 1fr;
    }
    
    .contact-info-cards {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info-cards {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .page-hero h1 {
        font-size: 2rem;
    }
}