/* Base Styles */
:root {
    --primary-color: #FFD700; /* Yellow */
    --primary-dark: #E6C200;
    --secondary-color: #ffffff;
    --text-color: #333333;
    --light-gray: #f5f5f5;
    --dark-gray: #666666;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

ul {
    list-style: none;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-size: 0.9rem;
}

/* Header specific button styles */
.main-nav .btn {
    padding: 6px 16px;
    margin-left: 10px;
    font-size: 0.85rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.btn-outline {
    border: 2px solid var(--text-color);
    color: var(--text-color);
}

.btn-outline:hover {
    background-color: var(--text-color);
    color: var(--secondary-color);
}

.btn-large {
    padding: 14px 32px;
    font-size: 1.1rem;
}

/* Courses Section */
.courses {
    padding: 100px 0;
    background-color: #fff;
}

.courses h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: #222;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.course-card {
    background: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.course-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

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

.course-level {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-color);
    color: #000;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
}

.premium-badge {
    position: absolute;
    top: 15px;
    left: 0;
    background: linear-gradient(45deg, #FFD700, #FFA500);
    color: #000;
    padding: 5px 15px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    z-index: 2;
}

.premium-badge:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 0px solid transparent;
    border-top: 5px solid #FF8C00;
}

.premium-course {
    position: relative;
    border: 2px solid #FFD700;
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
}

.premium-course .course-image:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255, 215, 0, 0.1), rgba(255, 165, 0, 0.1));
    z-index: 1;
}

.premium-course .btn-primary {
    background: linear-gradient(45deg, #FFD700, #FFA500);
    font-weight: 700;
    position: relative;
    overflow: hidden;
    border: none;
}

.premium-course .btn-primary:hover {
    background: linear-gradient(45deg, #FFC000, #FF8C00);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 165, 0, 0.4);
}

.course-content {
    padding: 20px;
}

.course-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #222;
    line-height: 1.4;
}

.course-instructor {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.course-rating {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.stars {
    color: #FFD700;
    margin-right: 8px;
}

.rating {
    font-size: 0.9rem;
    color: #666;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    color: #666;
    font-size: 0.9rem;
}

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

.course-price {
    display: flex;
    align-items: center;
    margin: 20px 0;
    gap: 10px;
}

.current-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #222;
}

.original-price {
    font-size: 1rem;
    color: #999;
    text-decoration: line-through;
}

.view-all-courses {
    text-align: center;
    margin-top: 40px;
}

/* Header */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--secondary-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo a {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 25px;
}

.main-nav a {
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.main-nav a:not(.btn):after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.main-nav a:hover:not(.btn):after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1001;
}

/* Mobile Menu Styles */
@media (max-width: 992px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100vh;
        background-color: var(--secondary-color);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease-in-out;
        padding: 80px 20px 40px;
        z-index: 1000;
        overflow-y: auto;
    }
    
    .main-nav.active {
        right: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 15px;
    }
    
    .main-nav a {
        display: block;
        padding: 12px 0;
    }
    
    .main-nav .btn {
        margin-left: 0;
        margin-top: 10px;
        text-align: center;
    }
    
    .main-header .container {
        padding: 15px 20px;
    }
}

/* Hero Section */
.hero {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, #FFF9C4 0%, #FFFFFF 100%);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    padding-right: 40px;
}

.hero h1 {
    font-size: 3.2rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #222;
}

.hero p {
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-bottom: 30px;
    max-width: 600px;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.hero-image {
    flex: 1;
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--secondary-color);
}

.features h2, .how-it-works h2, .pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #222;
}

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

.feature-card {
    background: var(--secondary-color);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 215, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    color: var(--primary-color);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #222;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background-color: var(--light-gray);
}

.steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 50px;
}

.step {
    flex: 1;
    min-width: 250px;
    text-align: center;
    padding: 40px 20px;
    background: var(--secondary-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: relative;
    transition: var(--transition);
}

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

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
    position: relative;
    z-index: 1;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -30px;
    width: 30px;
    height: 2px;
    background-color: var(--primary-color);
    display: none;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #222;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background-color: var(--secondary-color);
}

.pricing-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 50px;
}

.pricing-card {
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    background: var(--secondary-color);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: var(--box-shadow);
    text-align: center;
    position: relative;
    transition: var(--transition);
    border: 2px solid #eee;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

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

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-5px);
}

.popular-tag {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: var(--text-color);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 5px 15px;
    border-radius: 50px;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #222;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 20px 0;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--dark-gray);
}

.pricing-card ul {
    text-align: left;
    margin: 30px 0;
}

.pricing-card ul li {
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
}

.pricing-card ul li:before {
    content: '✓';
    color: #4CAF50;
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #FFD700 0%, #FFC107 100%);
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #222;
}

.cta p {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.main-footer {
    background-color: #222;
    color: #fff;
    padding: 80px 0 30px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.footer-logo p {
    color: #aaa;
    max-width: 300px;
    line-height: 1.7;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 60px;
}

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

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

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

.footer-section a {
    color: #ddd;
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid #444;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #fff;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: #222;
    transform: translateY(-3px);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 50px;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .pricing-card {
        min-width: 100%;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-5px);
    }
}

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--secondary-color);
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: var(--transition);
        z-index: 999;
    }
    
    .main-nav.active {
        transform: translateY(0);
    }
    
    .main-nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .features-grid, .steps {
        grid-template-columns: 1fr;
    }
    
    .step:not(:last-child)::after {
        display: none;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn {
        width: 100%;
    }
}