:root {
    --primary-color: rgb(50, 50, 127);
    --secondary-color: #ff6b35;
    --accent-color: #ffa726;
    --success-color: #4caf50;
    --text-dark: #333;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, var(--primary-color), #6366f1);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 20px rgba(0,0,0,0.15);
    --shadow-heavy: 0 10px 40px rgba(0,0,0,0.2);
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Utility Classes */
.btn-primary {
    background: var(--gradient-secondary);
    color: var(--white);
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: bold;
    font-size: 16px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.btn-primary.btn-large {
    padding: 20px 40px;
    font-size: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.btn-primary.btn-large small {
    font-size: 14px;
    opacity: 0.9;
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.highlight {
    color: var(--secondary-color);
    font-weight: bold;
}

/* Header */
.header {
    background: var(--white);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow-light);
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo h2 {
    color: var(--primary-color);
    font-size: 28px;
}

.logo a{
    text-decoration: none;
}

.logo span {
    color: var(--secondary-color);
}

/* header nav links */

.right-menu{
    display: flex;
}

.right-menu .botoes{
    margin-left: 15px;
}

.right-menu .botoes a{
    text-decoration: none;
}

.btn-registrar{
    background-color: var(--secondary-color);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
    margin-left: 10px;
}

.btn-login {
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.btn-login:hover, .btn-registrar:hover{
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    z-index: 1001;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--secondary-color);
}


/* menu mobile */

.side-menu-mobile{
    width: 300px;
    position: fixed;
    height: 100vh;
    right: 0;
    top: 70px;
    z-index: 1002;
    background-color: white;
    display: flex;
    flex-direction: column;
}

.side-menu-mobile  a{
    width: 100%;
    text-decoration: none;
    font-size: 15px;
    color: black;
    font-weight: bold;
    
}

.side-menu-mobile  .link{
    padding: 20px ;
    width: 100%;
    border-bottom: 1px solid black;
    background-color: white;
}

.side-menu-mobile .link:hover{
    transform: scale(1.05);
}

.mobile-menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 24px;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.urgency-badge {
    background: var(--secondary-color);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 25px;
    display: inline-block;
    margin-bottom: 30px;
    font-size: 14px;
    font-weight: bold;
    animation: pulse 3s infinite;
}

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

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.5;
}

.social-proof {
    margin-bottom: 40px;
}

.rating {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stars {
    color: var(--accent-color);
    font-size: 20px;
}

.hero-cta {
    margin-bottom: 40px;
}

.guarantee {
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0.9;
}

.hero-features {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
}

.feature-item i {
    color: var(--accent-color);
    font-size: 20px;
}

/* Hero Demo */
.phone-mockup {
    max-width: 300px;
    margin: 0 auto;
    position: relative;
}

.phone-screen {
    background: var(--white);
    border-radius: 20px;
    padding: 20px;
    box-shadow: var(--shadow-heavy);
    border: 8px solid #333;
}

.demo-flashcard {
    text-align: center;
    color: var(--text-dark);
}

.demo-question h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.demo-answer p {
    font-size: 18px;
    margin-bottom: 15px;
}

.demo-pronunciation {
    margin-bottom: 15px;
}

.demo-pronunciation strong {
    color: var(--primary-color);
}

.demo-pronunciation span {
    font-style: italic;
    color: var(--text-light);
}

.demo-audio {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.audio-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.audio-icon {
    font-size: 24px;
    cursor: pointer;
}

.speed-controls {
    display: flex;
    gap: 5px;
}

.speed {
    padding: 5px 10px;
    border-radius: 15px;
    background: var(--bg-light);
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s ease;
}

.speed.active {
    background: var(--secondary-color);
    color: var(--white);
}

/* Problems Section */
.problems {
    padding: 80px 0;
    background: var(--bg-light);
}

.problems h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: var(--primary-color);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.problem-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    transition: transform 0.3s ease;
}

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

.problem-item i {
    font-size: 48px;
    color: #e74c3c;
    margin-bottom: 20px;
}

.problem-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Solution Section */
.solution {
    padding: 80px 0;
    background: var(--white);
}

.solution h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.solution-subtitle {
    text-align: center;
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 60px;
}

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

.feature {
    text-align: center;
    padding: 40px 20px;
}

.feature-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.feature h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.feature p {
    color: var(--text-light);
    line-height: 1.6;
}

/* How It Works */
.how-it-works {
    padding: 80px 0;
    background: var(--bg-light);
}

.how-it-works h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: var(--primary-color);
}

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

.step {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 30px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-light);
}

.step-number {
    background: var(--gradient-secondary);
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

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

.benefits h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: var(--primary-color);
}

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

.benefit {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 30px;
    background: var(--bg-light);
    border-radius: 15px;
    transition: transform 0.3s ease;
}

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

.benefit i {
    color: var(--success-color);
    font-size: 24px;
    margin-top: 5px;
}

.benefit h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.benefit p {
    color: var(--text-light);
}

/* Testimonials */
.testimonials {
    padding: 80px 0;
    background: var(--gradient-primary);
    color: var(--white);
}

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

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

.testimonial {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.testimonial-content p {
    font-size: 18px;
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.6;
}

.testimonial-author strong {
    display: block;
    margin-bottom: 5px;
}

.testimonial-author span {
    opacity: 0.8;
    font-size: 14px;
}

.rating {
    margin-top: 10px;
    color: var(--accent-color);
}

/* Comparison */
.comparison {
    padding: 80px 0;
    background: var(--bg-light);
}

.comparison h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: var(--primary-color);
}

.comparison-table {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.comparison-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    background: var(--primary-color);
    color: var(--white);
    font-weight: bold;
    font-size: 18px;
}

.comparison-header > div {
    padding: 20px;
    text-align: center;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    border-bottom: 1px solid #eee;
}

.comparison-row > div {
    padding: 20px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.comparison-row .feature-name {
    background: var(--bg-light);
    font-weight: bold;
    justify-content: flex-start;
}

.comparison-row .our-method {
    background: rgba(76, 175, 80, 0.1);
    color: var(--success-color);
    font-weight: bold;
}

/* Pricing */
.pricing {
    padding: 80px 0;
    background: var(--white);
}

.pricing-header {
    text-align: center;
    margin-bottom: 40px;
}

.pricing-header h2 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.pricing-header p {
    font-size: 18px;
    color: var(--text-light);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 60px;
}

.toggle-label {
    font-weight: bold;
    color: var(--text-dark);
}

.discount-badge {
    background: var(--secondary-color);
    color: var(--white);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    margin-left: 5px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.pricing-grid {
    display: flex;
    justify-content: center;
    margin: 0 auto;
    gap: 20px;
}

.pricing-card {
    max-width: 500px;
    background: var(--white);
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: var(--shadow-medium);
    position: relative;
    transition: transform 0.3s ease;
    border: 2px solid transparent;
}

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

.pricing-card.popular {
    border-color: var(--secondary-color);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-secondary);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
}

.plan-header {
    text-align: center;
    margin-bottom: 30px;
}

.plan-header h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
    margin-bottom: 10px;
}

.currency {
    font-size: 20px;
    color: var(--text-light);
}

.amount {
    font-size: 48px;
    font-weight: bold;
    color: var(--primary-color);
}

.period {
    font-size: 16px;
    color: var(--text-light);
}

.plan-description {
    color: var(--text-light);
}

.plan-features {
    margin-bottom: 30px;
}

.plan-features .feature {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    text-align: left;
}

.plan-features .feature i {
    color: var(--success-color);
    font-size: 16px;
}

.btn-plan {
    width: 100%;
    background: var(--gradient-secondary);
    color: var(--white);
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: bold;
    font-size: 16px;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-plan:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.pricing-footer {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
    padding-top: 40px;
    border-top: 2px solid var(--bg-light);
}

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

.guarantee-info i {
    color: var(--success-color);
    font-size: 24px;
}

.payment-methods {
    text-align: center;
}

.payment-icons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 10px;
}

/* FAQ */
.faq {
    padding: 80px 0;
    background: var(--bg-light);
}

.faq h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: var(--primary-color);
}

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

.faq-item {
    background: var(--white);
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-light);
    overflow: hidden;
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-question h3 {
    color: var(--primary-color);
    font-size: 18px;
}

.faq-question i {
    color: var(--secondary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 30px 25px;
    max-height: 200px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Final CTA */
.final-cta {
    padding: 80px 0;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 40px;
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
}

.time-unit {
    background: rgba(255, 255, 255, 0.2);
    padding: 20px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.time-unit .number {
    display: block;
    font-size: 36px;
    font-weight: bold;
    color: var(--accent-color);
}

.time-unit .label {
    font-size: 14px;
    opacity: 0.8;
}

.risk-reversal {
    margin-top: 40px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.risk-reversal h3 {
    margin-bottom: 20px;
    font-size: 22px;
}

.guarantees {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    text-align: left;
}

.guarantees > div {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: var(--accent-color);
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

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

.footer-section ul li a:hover {
    color: var(--accent-color);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    color: var(--white);
    font-size: 20px;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #555;
    color: #ccc;
}

.footer-bottom p {
    margin-bottom: 10px;
}

/* Responsive Design */

@media(min-width: 800px){
    .side-menu-mobile {
        display: none;
    }
}

@media (max-width: 800px) {
    .nav-links {
        display: none;
    }

    .nav-container .botoes{
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .countdown {
        gap: 15px;
    }
    
    .time-unit {
        padding: 15px;
    }
    
    .time-unit .number {
        font-size: 24px;
    }
    
    .pricing-footer {
        flex-direction: column;
    }
    
    .comparison-table {
        font-size: 14px;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
    }
    
    .comparison-row .feature-name {
        background: var(--primary-color);
        color: var(--white);
        font-weight: bold;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .section-padding {
        padding: 60px 0;
    }
    
    .btn-primary.btn-large {
        padding: 15px 25px;
        font-size: 16px;
    }
    
    .pricing-card {
        padding: 30px 20px;
    }
    
    .amount {
        font-size: 36px;
    }
}


.botao-whatsapp:hover {
  background-color: #128C7E;
}
.botao-whatsapp {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 20px;
  right: 20px;
  background-color: #25d366;
  color: white;
  border-radius: 50%;
  text-align: center;
  font-size: 30px;
  box-shadow: 2px 2px 3px #494949;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s;
  text-decoration: none;
  cursor: pointer;
}

@media (max-width: 404px){
    .botao-whatsapp{
        bottom: 50px;
        right: 50px;
    }
}