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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Header */
header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #6f42c1;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #6f42c1;
}

/* Hamburger menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #6f42c1 0%, #5a32a3 100%);
    color: white;
    padding: 120px 0 80px;
    display: flex;
    align-items: center;
    min-height: 100vh;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #6f42c1;
    color: white;
    border-color: #6f42c1;
}

.btn-primary:hover {
    background: #5a32a3;
    border-color: #5a32a3;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: #6f42c1;
}

/* Sections */
section {
    padding: 80px 0;
}

.about-section {
    background: white;
}

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

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #555;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Courses Section */
.courses-section {
    background: #f8f9fa;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.course-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.course-card:hover {
    transform: translateY(-5px);
}

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

.course-card h3 {
    padding: 20px 20px 10px;
    color: #333;
}

.course-card p {
    padding: 0 20px;
    color: #666;
    line-height: 1.6;
}

.course-features {
    padding: 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.course-features span {
    background: #e3f2fd;
    color: #1976d2;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.9rem;
}

/* Pricing Section */
.pricing-section {
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pricing-card {
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    transition: transform 0.3s;
}

.pricing-card:hover {
    transform: translateY(-5px);
}

.pricing-card.featured {
    border-color: #6f42c1;
    transform: scale(1.05);
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
}

.price {
    font-size: 3rem;
    font-weight: bold;
    color: #6f42c1;
    margin-bottom: 30px;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 30px;
}

.pricing-card li {
    padding: 10px 0;
    border-bottom: 1px solid #f1f1f1;
}

.pricing-card li:last-child {
    border-bottom: none;
}

/* Advantages Section */
.advantages-section {
    background: #f8f9fa;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.advantage-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.advantage-icon {
    margin-bottom: 20px;
}

.advantage-item h3 {
    margin-bottom: 15px;
    color: #333;
}

.advantage-item p {
    color: #666;
    line-height: 1.6;
}

/* Testimonials Section */
.testimonials-section {
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.testimonial-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.testimonial-card img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
}

.testimonial-content p {
    font-style: italic;
    margin-bottom: 20px;
    color: #555;
    line-height: 1.6;
}

.testimonial-content h4 {
    color: #333;
    margin-bottom: 5px;
}

.testimonial-content span {
    color: #6f42c1;
    font-size: 0.9rem;
}

/* Contact Section */
.contact-section {
    background: linear-gradient(135deg, #6f42c1 0%, #5a32a3 100%);
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 50px;
}

.contact-info h3 {
    margin-bottom: 30px;
    font-size: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-item svg {
    flex-shrink: 0;
}

.contact-item span {
    font-size: 1.1rem;
}

/* Form Styles */
.contact-form {
    background: rgba(255,255,255,0.1);
    padding: 40px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 5px;
    background: rgba(255,255,255,0.1);
    color: white;
    font-size: 1rem;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255,255,255,0.7);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #6f42c1;
    background: rgba(255,255,255,0.2);
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-disclaimer {
    flex: 1;
    max-width: 600px;
}

.footer-disclaimer p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: #ccc;
}

.footer-nav {
    display: flex;
    gap: 30px;
}

.footer-nav a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-nav a:hover {
    color: #6f42c1;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #555;
}

.footer-bottom p {
    color: #ccc;
    font-size: 0.9rem;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: #333;
    color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.3);
    z-index: 1000;
    display: none;
}

.cookie-banner.show {
    display: block;
}

.cookie-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.cookie-content p {
    flex: 1;
    margin: 0;
}

.cookie-buttons {
    display: flex;
    gap: 10px;
}

.cookie-buttons .btn {
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* Section Headings */
h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

section h2 {
    position: relative;
    padding-bottom: 20px;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #6f42c1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 10px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .cookie-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .cookie-buttons {
        align-self: flex-end;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn {
        text-align: center;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 20px;
    }
}

/* Unused styles for older buttons */
.old-btn-style {
    background: #28a745;
    border-color: #28a745;
}

.legacy-nav {
    background: #343a40;
}

/* Mixed language comments */
/* TODO: improve hover effects */


/* Slightly inconsistent spacing */
.some-class{margin:10px;}
.another-class {
    margin: 10px;
}

/* Old class names that aren't used */
.old-header-style {
    background: #6c757d;
}

.deprecated-card {
    border: 1px solid #dee2e6;
}

.unused-button {
    background: #fd7e14;
    border-color: #fd7e14;
}

/* Additional unused styles */
.legacy-footer {
    background: #495057;
}

.old-form-input {
    border: 2px solid #ced4da;
}

.previous-version-nav {
    padding: 0.5rem 1rem;
}

/* Thank You Page Styles */
.thank-you-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.success-icon {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.success-icon svg {
    animation: success-pop 0.6s ease-out;
}

@keyframes success-pop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.thank-you-content h1 {
    color: #28a745;
    margin-bottom: 1rem;
}

.thank-you-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Form checkbox styles */
.form-group label input[type="checkbox"] {
    width: auto;
    margin-right: 10px;
    margin-bottom: 0;
}

.form-group label {
    display: flex;
    align-items: center;
    font-weight: normal;
    margin-bottom: 0;
}

/* Additional select styles */
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 5px;
    background: rgba(255,255,255,0.1);
    color: white;
    font-size: 1rem;
    appearance: none;
    cursor: pointer;
}

.form-group select:focus {
    outline: none;
    border-color: #6f42c1;
    background: rgba(255,255,255,0.2);
}

.form-group select option {
    background: #333;
    color: white;
    padding: 10px;
}