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

:root {
    --primary-color: #2257FE;
    --dark-color: #132156;
    --light-color: #FAFBFA;
    --text-color: #FAFBFA;
    --grey-color: #BFBEBc;
    --bronze-color: #CD7F32;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--dark-color);
}

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

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--dark-color), var(--primary-color));
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(34, 87, 254, 0.2);
}

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

.nav-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.nav-link {
    color: white;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.nav-link:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 5px 0;
    transition: var(--transition);
}

/* Carousel Section */
.carousel-section {
    position: relative;
    width: 100%;
    min-height: 500px;
    overflow: hidden;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-wrapper {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.carousel-slide {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    color: var(--light-color);
    text-align: center;
}

.carousel-slide.active {
    opacity: 1;
    z-index: 10;
}

.carousel-content {
    padding: 40px 20px;
    max-width: 800px;
    animation: slideInDown 0.8s ease;
}

.carousel-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--light-color);
}

.carousel-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    color: var(--grey-color);
}

/* Carousel Controls */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 20;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

/* Carousel Indicators */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 20;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid white;
}

.indicator.active {
    background: white;
    transform: scale(1.3);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* Buttons */
.btn {
    padding: 12px 30px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--bronze-color);
    color: var(--light-color);
    font-weight: 700;
}

.btn-primary:hover {
    background: #B8860B;
    color: var(--light-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(205, 127, 50, 0.4);
}

.btn-secondary {
    background: var(--bronze-color);
    color: var(--light-color);
    font-weight: 700;
}

.btn-secondary:hover {
    background: #B8860B;
    color: var(--light-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(205, 127, 50, 0.4);
}

/* Courses Section */
.courses {
    padding: 80px 20px;
    background: #ffffff;
}

.courses h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.features h2,
.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--bronze-color);
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.course-card {
    background: #ffffff;
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(34, 87, 254, 0.15);
    transition: var(--transition);
    text-align: center;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(205, 127, 50, 0.3);
    border-color: var(--bronze-color);
}

.course-icon {
    font-size: 3rem;
    color: var(--bronze-color);
    margin-bottom: 1rem;
}

.course-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.course-card p {
    margin-bottom: 1.5rem;
    color: #666666;
}

.price {
    display: block;
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--bronze-color);
    margin-bottom: 1rem;
}

/* Features Section */
.features {
    padding: 80px 20px;
    background: var(--dark-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    background: rgba(34, 87, 254, 0.08);
    transition: var(--transition);
}

.feature-item:hover {
    border-color: var(--bronze-color);
    box-shadow: 0 0 20px rgba(205, 127, 50, 0.3);
}

.feature-item i {
    font-size: 3rem;
    color: var(--bronze-color);
    margin-bottom: 1rem;
}

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

.feature-item p {
    color: var(--grey-color);
}

/* Testimonials Section */
.testimonials {
    padding: 80px 20px;
    background: #ffffff;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(34, 87, 254, 0.15);
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: var(--bronze-color);
    box-shadow: 0 0 20px rgba(205, 127, 50, 0.2);
}

.stars {
    color: var(--bronze-color);
    margin-bottom: 1rem;
}

.stars i {
    margin-right: 0.3rem;
}

.testimonial-card p {
    margin-bottom: 1rem;
    font-style: italic;
    color: #666666;
}

.testimonial-card h4 {
    color: var(--dark-color);
    margin-bottom: 0.3rem;
}

.testimonial-card span {
    color: var(--bronze-color);
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: 80px 20px;
    background: #ffffff;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: #ffffff;
    color: var(--dark-color);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #999999;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--bronze-color);
    box-shadow: 0 0 0 3px rgba(205, 127, 50, 0.2);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--dark-color), rgba(34, 87, 254, 0.2));
    color: var(--light-color);
    padding: 2rem;
    text-align: center;
    border-top: 2px solid var(--primary-color);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.social-links a {
    color: var(--bronze-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: #B8860B;
    transform: scale(1.2);
}

/* Animations */
@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        padding: 1rem;
        text-align: center;
    }

    .hamburger {
        display: flex;
    }

    .carousel-content h1 {
        font-size: 2rem;
    }

    .carousel-content p {
        font-size: 1rem;
    }

    .carousel-wrapper {
        height: 350px;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .carousel-prev {
        left: 10px;
    }

    .carousel-next {
        right: 10px;
    }

    .courses h2,
    .features h2,
    .testimonials h2,
    .contact h2 {
        font-size: 2rem;
    }

    .footer .container {
        flex-direction: column;
    }
}