/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: #666;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #ec4899, #db2777);
    color: white;
    box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(236, 72, 153, 0.4);
}

.btn-outline {
    background: transparent;
    color: #8b5cf6;
    border-color: #8b5cf6;
}

.btn-outline:hover {
    background: #8b5cf6;
    color: white;
    transform: translateY(-2px);
}

.btn-login {
    background: transparent;
    color: #8b5cf6;
    border: 2px solid #8b5cf6;
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-login:hover {
    background: #8b5cf6;
    color: white;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar {
    padding: 1rem 0;
}

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

.nav-brand h2 {
    color: #8b5cf6;
    margin: 0;
    font-size: 1.8rem;
}

.nav-brand span {
    color: #ec4899;
}

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

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

.nav-menu a:hover {
    color: #8b5cf6;
}

.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 {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #fdf4ff 0%, #f3e8ff 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #8b5cf6;
}

.stat-label {
    font-size: 0.9rem;
    color: #64748b;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-video-placeholder {
    width: 400px;
    height: 300px;
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    cursor: pointer;
    transition: transform 0.3s ease;
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.3);
}

.hero-video-placeholder:hover {
    transform: translateY(-10px);
}

.hero-video-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.hero-video-placeholder p {
    font-size: 1.1rem;
    font-weight: 500;
    margin: 0;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 20px;
    background: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #64748b;
}

/* Courses Section */
.courses {
    padding: 80px 0;
    background: #fdf4ff;
}

.course-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid #e2e8f0;
    background: white;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
    background: #8b5cf6;
    color: white;
    border-color: #8b5cf6;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.course-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.course-card:hover {
    transform: translateY(-10px);
}

.course-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.course-overlay {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    display: flex;
    justify-content: space-between;
}

.course-level {
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
}

.course-duration {
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
}

.course-content {
    padding: 1.5rem;
}

.course-content h3 {
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.course-content p {
    color: #64748b;
    margin-bottom: 1rem;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #64748b;
}

.courses-cta {
    text-align: center;
}

/* Experts Section */
.experts {
    padding: 80px 0;
    background: white;
}

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

.expert-card {
    text-align: center;
    padding: 2rem;
    border-radius: 20px;
    background: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.expert-card:hover {
    transform: translateY(-10px);
}

.expert-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.expert-info h3 {
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.expert-title {
    color: #8b5cf6;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.expert-experience {
    color: #64748b;
    margin-bottom: 1rem;
}

.expert-stats {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #64748b;
}

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
    background: #fdf4ff;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    color: #64748b;
    font-size: 1.1rem;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.testimonial-author h4 {
    color: #1e293b;
    margin-bottom: 0.25rem;
}

.testimonial-author p {
    color: #64748b;
    margin: 0;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: white;
}

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

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.featured {
    border-color: #8b5cf6;
    transform: scale(1.05);
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-header h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
}

.currency {
    font-size: 1rem;
    color: #64748b;
}

.amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: #8b5cf6;
}

.period {
    font-size: 1rem;
    color: #64748b;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.5rem 0;
    color: #64748b;
}

.pricing-features i {
    color: #10b981;
    margin-right: 0.5rem;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: #f8fafc;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.contact-info p {
    color: #64748b;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: #2563eb;
    margin-top: 0.25rem;
}

.contact-item h4 {
    color: #1e293b;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: #64748b;
    margin: 0;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section h3 span {
    color: #f97316;
}

.footer-section p {
    color: #cbd5e1;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #2563eb;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: #2563eb;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: background 0.3s ease;
}

.social-links a:hover {
    background: #1d4ed8;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    color: #cbd5e1;
}

/* 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-title {
        font-size: 2.5rem;
    }

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

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

    .contact-content {
        grid-template-columns: 1fr;
    }

    .courses-grid,
    .experts-grid,
    .testimonials-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .course-filters {
        justify-content: center;
    }

    .filter-btn {
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
}