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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #fefefe;
}

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

/* Header */
header {
    background: #fff;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #FF6B6B, #FFE66D);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: white;
    font-size: 16px;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: #1a1a1a;
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: #1a1a1a;
}

.cta-button {
    background: linear-gradient(135deg, #FFE66D, #FF6B6B);
    color: #1a1a1a;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: #1a1a1a;
    font-size: 1.4rem;
    cursor: pointer;
}

/* Main Content */
main {
    min-height: calc(100vh - 200px);
}

.hidden {
    display: none;
}

/* Hero Section */
.hero {
    padding: 10px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

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

.hero-text h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: #1a1a1a;
}

.hero-text p {
    font-size: 18px;
    color: #64748b;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat {
    text-align: left;
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: #1a1a1a;
    display: block;
}

.stat-label {
    font-size: 14px;
    color: #64748b;
    font-weight: 500;
}

.hero-actions {
    display: flex;
    gap: 20px;
    align-items: center;
}

.btn-primary {
    background: linear-gradient(135deg, #FFE66D, #FF6B6B);
    color: #1a1a1a;
    padding: 16px 32px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

.floating-avatars {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: white;
    padding: 16px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar-group {
    display: flex;
    margin-left: -8px;
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid white;
    margin-left: -8px;
    background: linear-gradient(135deg, #FFE66D, #FF6B6B);
}

/* Section Headers */
.section-header {
    text-align: left;
    margin-bottom: 60px;
    padding: 20px 0 0;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.section-subtitle {
    font-size: 18px;
    color: #64748b;
}

/* Courses */
.courses-section {
    padding: 2px 20px;
}

.course-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.course-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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


.course-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover; 
            background-position: center; 
            background-repeat: no-repeat; 
            height: 180px; border-radius: 8px;
}

.play-button {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.course-content {
    padding: 24px;
}

.course-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1a1a1a;
}

.course-instructor {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 16px;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    color: #64748b;
}

.course-price {
    font-size: 18px;
    font-weight: 700;
    color: #FF6B6B;
}

/* Other Sections */
.content-section {
    padding: 20px 20px;
}

.content-section h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 24px;
    color: #1a1a1a;
}

.content-section p {
    font-size: 18px;
    color: #64748b;
    margin-bottom: 20px;
    line-height: 1.6;
}

.content-section ul {
    margin: 20px 0;
    padding-left: 20px;
}

.content-section ul li {
    margin: 10px 0;
    color: #4a5568;
}

/* Forms */
form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 30px;
    max-width: 600px;
}

input, textarea, select {
    padding: 16px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    width: 100%;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: #FF6B6B;
}

button[type="submit"] {
    background: linear-gradient(135deg, #FFE66D, #FF6B6B);
    color: #1a1a1a;
    border: none;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

button[type="submit"]:hover {
    transform: translateY(-2px);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: #fff;
    padding: 32px;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    color: #64748b;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: #1a1a1a;
}

/* Footer */
footer {
    background: #1a1a1a;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-weight: 600;
    margin-bottom: 20px;
    color: #FFE66D;
}

.footer-section a {
    color: #a0a0a0;
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #FFE66D;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    color: #a0a0a0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 40px rgba(0,0,0,0.1);
        gap: 20px;
    }
    
    .nav-links.show {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 40px;
    }

    .section-title {
        font-size: 32px;
    }

    .course-list {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-stats {
        gap: 20px;
        justify-content: center;
    }
    .cta-button {
        padding: 12px 24px;
        font-size: 9px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-text h1 {
        font-size: 32px;
    }

    .section-title {
        font-size: 28px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding: 40px 0;
    }
    
    .courses-section {
        padding: 20px 20px;
    }
    
    .content-section {
        padding: 20px 20px;
    }
    .cta-button {
        padding: 11px 1px;
        font-size: 9px;
    }
    
    
}