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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #1a1a1a;
    overflow-x: hidden;
}

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

/* Header */
.header {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid #333;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.nav-brand h2 {
    font-size: 24px;
    font-weight: 700;
}

.highlight {
    color: #f1c40f;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

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

.nav-menu a:hover {
    color: #f1c40f;
}

.cta-button {
    background: linear-gradient(135deg, #f1c40f, #f39c12);
    color: #1a1a1a;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(241, 196, 15, 0.3);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.course-tag {
    color: #f1c40f;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    display: block;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px;
    color: #bdc3c7;
    margin-bottom: 40px;
    line-height: 1.6;
}

.course-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.info-item i {
    color: #f1c40f;
    width: 20px;
}

.info-item.bonus {
    color: #2ecc71;
    font-weight: 600;
}

.hero-cta {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: #ffffff;
    border: none;
    padding: 18px 40px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(46, 204, 113, 0.4);
}

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

.course-preview {
    background: linear-gradient(135deg, #34495e, #2c3e50);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: perspective(1000px) rotateY(-15deg);
}

.preview-card i {
    font-size: 80px;
    color: #f1c40f;
    margin-bottom: 20px;
}

.preview-card h3 {
    font-size: 24px;
    font-weight: 700;
}

/* Courses Included */
.courses-included {
    padding: 80px 0;
    background: #222;
}

.courses-included h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
}

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

.course-card {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.course-card.main {
    border: 2px solid #f1c40f;
}

.course-card.bonus {
    border: 2px solid #2ecc71;
}

.bonus-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #2ecc71;
    color: #ffffff;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.course-icon {
    margin-bottom: 20px;
}

.course-icon i {
    font-size: 50px;
    color: #f1c40f;
}

.course-card.bonus .course-icon i {
    color: #2ecc71;
}

.course-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.course-card p {
    color: #bdc3c7;
    margin-bottom: 20px;
    line-height: 1.6;
}

.course-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.course-details span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #ecf0f1;
}

.course-details i {
    color: #f1c40f;
    width: 16px;
}

/* Benefits */
.benefits {
    padding: 80px 0;
    background: #1a1a1a;
}

.benefits h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
}

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

.benefit-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    transition: all 0.3s ease;
    border-left: 4px solid #f1c40f;
}

.benefit-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(10px);
}

.benefit-number {
    font-size: 24px;
    font-weight: 800;
    color: #f1c40f;
    margin-bottom: 15px;
}

.benefit-item p {
    color: #bdc3c7;
    line-height: 1.6;
}

/* Course Content */
.course-content {
    padding: 80px 0;
    background: #222;
}

.course-content h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
}

.content-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-button {
    background: transparent;
    color: #bdc3c7;
    border: 2px solid #34495e;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.tab-button.active,
.tab-button:hover {
    background: #f1c40f;
    color: #1a1a1a;
    border-color: #f1c40f;
}

.content-panel {
    display: none;
    max-width: 800px;
    margin: 0 auto;
}

.content-panel.active {
    display: block;
}

.module {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
}

.module h3 {
    font-size: 24px;
    font-weight: 700;
    color: #f1c40f;
    margin-bottom: 20px;
}

.lessons {
    display: grid;
    gap: 10px;
}

.lesson {
    background: rgba(255, 255, 255, 0.03);
    padding: 15px 20px;
    border-radius: 8px;
    border-left: 3px solid #f1c40f;
    transition: all 0.3s ease;
}

.lesson:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(5px);
}

/* Professors */
.professors {
    padding: 80px 0;
    background: #1a1a1a;
}

.professors h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
}

.professors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.professor-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.professor-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
}

.professor-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #f1c40f, #f39c12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.professor-avatar i {
    font-size: 40px;
    color: #1a1a1a;
}

.professor-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
}

.professor-card h4 {
    color: #f1c40f;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.professor-card p {
    color: #bdc3c7;
    line-height: 1.6;
    margin-bottom: 15px;
}

/* Certification */
.certification {
    padding: 80px 0;
    background: #222;
}

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

.cert-text h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
}

.cert-text p {
    color: #bdc3c7;
    line-height: 1.6;
    margin-bottom: 30px;
}

.cert-features {
    display: grid;
    gap: 15px;
}

.cert-feature {
    display: flex;
    align-items: center;
    gap: 15px;
}

.cert-feature i {
    color: #2ecc71;
    font-size: 18px;
}

.cert-visual {
    display: flex;
    justify-content: center;
}

.certificate-mockup {
    background: linear-gradient(135deg, #f1c40f, #f39c12);
    color: #1a1a1a;
    padding: 60px 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transform: rotate(-5deg);
}

.certificate-mockup i {
    font-size: 80px;
    margin-bottom: 20px;
}

.certificate-mockup p {
    font-size: 18px;
    font-weight: 700;
}

/* Pricing */
.pricing {
    padding: 80px 0;
    background: #1a1a1a;
}

.pricing h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.price-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.price-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
}

.price-card.featured {
    border-color: #f1c40f;
    background: rgba(241, 196, 15, 0.1);
}

.popular-tag {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #f1c40f;
    color: #1a1a1a;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.price-card h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 10px;
}

.currency {
    font-size: 24px;
    font-weight: 600;
}

.amount {
    font-size: 48px;
    font-weight: 800;
    color: #f1c40f;
}

.cents {
    font-size: 24px;
    font-weight: 600;
}

.price-desc {
    color: #bdc3c7;
    margin-bottom: 30px;
}

.features {
    display: grid;
    gap: 15px;
    margin-bottom: 40px;
    text-align: left;
}

.feature {
    display: flex;
    align-items: center;
    gap: 15px;
}

.feature i {
    color: #2ecc71;
    font-size: 16px;
    width: 20px;
}

.price-cta {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: #ffffff;
    border: none;
    padding: 15px 30px;
    border-radius: 25px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.price-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(46, 204, 113, 0.3);
}

/* FAQ */
.faq {
    padding: 80px 0;
    background: #222;
}

.faq h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    margin-bottom: 20px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    color: #ffffff;
    padding: 25px 30px;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.08);
}

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 30px 25px;
    color: #bdc3c7;
    line-height: 1.6;
}

/* Contact */
.contact {
    padding: 80px 0;
    background: #1a1a1a;
    text-align: center;
}

.contact h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
}

.contact p {
    color: #bdc3c7;
    font-size: 18px;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.whatsapp-button {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: #25d366;
    color: #ffffff;
    text-decoration: none;
    padding: 18px 40px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.whatsapp-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
}

.whatsapp-button i {
    font-size: 24px;
}

/* Footer */
.footer {
    background: #111;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-brand p {
    color: #bdc3c7;
    line-height: 1.6;
}

.footer-contact h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #f1c40f;
}

.footer-contact p {
    color: #bdc3c7;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    color: #7f8c8d;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .course-info {
        grid-template-columns: 1fr;
    }
    
    .cert-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .content-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-button {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .courses-grid,
    .benefits-grid,
    .professors-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
}