:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --text-color: #1f2937;
    --light-text: #6b7280;
    --background-color: #ffffff;
    --section-bg: #f3f4f6;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

.cta-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.cta-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Hero Section */
.hero {
    padding: 8rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--light-text);
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.primary-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.primary-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.secondary-button {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.secondary-button:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.hero-image {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: fadeIn 1s ease-out 0.6s backwards;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.hero-image:hover img {
    transform: scale(1.05);
}

.hero-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(37, 99, 235, 0.1), rgba(37, 99, 235, 0.05));
    pointer-events: none;
}

/* Features Section */
.features {
    padding: 4rem 2rem;
    background-color: var(--section-bg);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out;
}

.carousel-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
    padding: 0 3rem;
}

.carousel {
    display: flex;
    transition: transform 0.5s ease;
    gap: 2rem;
    padding: 1rem;
}

.feature-card {
    width: 100%;
    min-width: 100%;
    background-color: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

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

.feature-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 1rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    filter: brightness(0.95) contrast(1.05);
}

.feature-card:hover .feature-image {
    transform: scale(1.02);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.feature-card h3,
.feature-card p {
    position: relative;
    z-index: 2;
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
}

.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-color);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: background-color 0.3s ease;
}

.carousel-button:hover {
    background-color: var(--secondary-color);
}

.carousel-button.prev {
    left: 1rem;
}

.carousel-button.next {
    right: 1rem;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    padding: 1rem;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #ccc;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.carousel-dot:hover {
    transform: scale(1.2);
}

.carousel-dot.active {
    background-color: var(--primary-color);
    transform: scale(1.2);
    border-color: var(--secondary-color);
}

/* Curriculum Section */
.curriculum {
    padding: 4rem 2rem;
}

.curriculum h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.curriculum-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.module {
    background-color: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.module h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.module ul {
    list-style-position: inside;
}

.module li {
    margin-bottom: 0.5rem;
}

/* Testimonials Section */
.testimonials {
    padding: 4rem 2rem;
    background-color: var(--section-bg);
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.testimonial-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 1rem;
    display: block;
    object-fit: cover;
    border: 3px solid var(--primary-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.testimonial-avatar:hover {
    transform: scale(1.05);
}

.rating {
    color: #f59e0b;
    margin-bottom: 1rem;
}

.author {
    margin-top: 1rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* Pricing Section */
.pricing {
    padding: 4rem 2rem;
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.pricing-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.pricing-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.pricing-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.pricing-header {
    position: relative;
    margin-bottom: 1.5rem;
}

.popular-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    transform: rotate(15deg);
}

.price-container {
    margin-bottom: 2rem;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.price-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.price-period {
    color: var(--text-secondary);
    font-size: 1rem;
}

.price-save {
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 500;
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.features-list i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.guarantee {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.guarantee i {
    color: var(--accent-color);
}

/* CTA Section */
.cta-section {
    padding: 4rem 2rem;
    background-color: var(--primary-color);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    margin-bottom: 2rem;
    font-size: 1.25rem;
}

/* Footer */
.footer {
    background-color: var(--text-color);
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section a {
    color: white;
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
}

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

.social-links a {
    font-size: 1.5rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 2rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 6rem;
    }

    .hero-cta {
        justify-content: center;
    }

    .trust-badges {
        justify-content: center;
    }

    .nav-links {
        display: none;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .feature-card {
        margin: 0 1rem;
    }

    .pricing-card.featured {
        transform: none;
    }
    
    .popular-badge {
        position: static;
        display: inline-block;
        margin-bottom: 1rem;
        transform: none;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Section padding for better scroll positioning */
section {
    scroll-margin-top: 80px; /* Adjust based on your header height */
}

/* Add scroll behavior for header */
[data-scroll] {
    scroll-margin-top: 80px; /* Adjust based on your header height */
}

.coming-soon {
    display: inline-block;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 0.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}