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

:root {
    --primary-color: #0078d4;
    --secondary-color: #106ebe;
    --accent-color: #ff6b00;
    --dark-bg: #1a1a1a;
    --light-bg: #f5f5f5;
    --text-dark: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #0078d4 0%, #106ebe 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

/* Header */
.header {
    background: var(--white);
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo img {
    height: 50px;
    width: auto;
}

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    background: var(--accent-color);
    color: var(--white);
    padding: 18px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cta-button:hover {
    background: #ff8533;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
}

.cta-button.large {
    padding: 20px 50px;
    font-size: 1.2rem;
}

.hero-elements {
    margin-top: 40px;
}

.hero-elements img {
    max-width: 600px;
    width: 100%;
    height: auto;
}

/* Comfort Section */
.comfort-section {
    padding: 60px 0 20px;
    background: var(--white);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-dark);
}

.section-title strong {
    color: var(--primary-color);
}

/* Benefits Section */
.benefits {
    padding: 40px 0 80px;
    background: var(--white);
}

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

.benefit-card {
    background: var(--white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.benefit-image {
    margin-bottom: 20px;
    border-radius: 15px;
    overflow: hidden;
}

.benefit-image img {
    width: 100%;
    height: auto;
    display: block;
}

.benefit-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.benefit-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Course Section */
.course-section {
    padding: 80px 0;
    background: var(--light-bg);
}

.course-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.course-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

.course-badge {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 1rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.course-title {
    font-size: 2.2rem;
    margin-bottom: 20px;
    line-height: 1.3;
}

.course-text p {
    margin-bottom: 30px;
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* For You Section */
.for-you-section {
    padding: 80px 0;
    background: var(--white);
}

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

.for-you-item {
    padding: 30px;
    background: var(--light-bg);
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s ease;
}

.for-you-item:hover {
    transform: translateX(10px);
}

.for-you-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.for-you-item p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Next Step Section */
.next-step-section {
    padding: 80px 0;
    background: var(--gradient-dark);
    color: var(--white);
}

.next-step-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.next-step-text h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.next-step-text h2 strong {
    color: var(--accent-color);
}

.next-step-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    opacity: 0.9;
}

.next-step-image img {
    width: 100%;
    border-radius: 20px;
}

/* Market Section */
.market-section {
    padding: 80px 0;
    background: var(--white);
}

.market-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.market-image img {
    width: 100%;
    border-radius: 20px;
}

.market-text h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    line-height: 1.3;
}

.market-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 20px;
}

.market-text p strong {
    color: var(--accent-color);
    font-weight: 700;
}

/* Transform Section */
.transform-section {
    padding: 80px 0;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.transform-section .section-title {
    color: var(--white);
    margin-bottom: 30px;
}

.transform-description {
    max-width: 800px;
    margin: 30px auto 0;
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.95;
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background: var(--white);
}

.features-list {
    max-width: 700px;
    margin: 0 auto;
}

.feature-item {
    display: flex;
    align-items: center;
    padding: 20px;
    margin-bottom: 15px;
    background: var(--light-bg);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateX(10px);
}

.checkmark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    margin-right: 20px;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-item p {
    font-size: 1.1rem;
    margin: 0;
}

/* Pricing Section */
.pricing-section {
    padding: 80px 0;
    background: var(--light-bg);
}

.pricing-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.pricing-image img {
    width: 100%;
    border-radius: 20px;
}

.pricing-box {
    background: var(--white);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    text-align: center;
}

.pricing-box h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.price-original {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.price-installment {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--accent-color);
    margin: 20px 0;
}

.price-cash {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 30px;
}

/* Guarantee Section */
.guarantee-section {
    padding: 80px 0;
    background: var(--white);
}

.guarantee-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.guarantee-image img {
    width: 100%;
    border-radius: 20px;
}

.guarantee-text h2 {
    font-size: 2.2rem;
    margin-bottom: 30px;
    line-height: 1.3;
}

.guarantee-text h2 strong {
    color: var(--accent-color);
}

.guarantee-badge {
    display: inline-block;
    background: #4CAF50;
    color: var(--white);
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: 600;
    margin-bottom: 20px;
}

.guarantee-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
}

/* Instructor Section */
.instructor-section {
    padding: 80px 0;
    background: var(--light-bg);
}

.instructor-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.instructor-text h2 {
    font-size: 2.2rem;
    margin-bottom: 30px;
}

.instructor-text h2 strong {
    color: var(--primary-color);
}

.instructor-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 20px;
}

.instructor-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
}

.footer p {
    margin: 0;
    opacity: 0.8;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .course-content,
    .next-step-content,
    .market-content,
    .pricing-content,
    .guarantee-content,
    .instructor-content {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid,
    .for-you-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 50px 0;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 15px 30px;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .pricing-box {
        padding: 30px 20px;
    }
    
    .price-installment {
        font-size: 2.5rem;
    }
    
    .for-you-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.benefit-card,
.for-you-item,
.feature-item {
    animation: fadeInUp 0.6s ease forwards;
}

.benefit-card:nth-child(1) { animation-delay: 0.1s; }
.benefit-card:nth-child(2) { animation-delay: 0.2s; }
.benefit-card:nth-child(3) { animation-delay: 0.3s; }