:root {
    --primary-color: #09B37D;
    --secondary-color: #007AFF;
    --text-color: #232329;
    --text-light: #68687B;
    --background-color: #f3f4f7;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --header-height: 70px;
    --container-padding: 2rem;
    --border-radius: 8px;
}

/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

/* Header & Navigation */
header {
    background-color: var(--white);
    padding: 1rem var(--container-padding);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: 0.3s;
}

/* Buttons */
.cta-button {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
}

.cta-button:hover {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.cta-button:active {
    transform: translateY(0);
}

/* Main Content */
main {
    margin-top: var(--header-height);
    padding: var(--container-padding);
    flex: 1;
}

/* Hero Section */
.hero {
    max-width: 1200px;
    margin: 2rem auto;
    display: flex;
    align-items: center;
    gap: 4rem;
    padding: 2rem var(--container-padding);
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.hero-content p {
    font-size: clamp(1rem, 3vw, 1.2rem);
    color: var(--text-light);
    margin-bottom: 2rem;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--border-radius);
}

/* Features Section */
.features {
    max-width: 1200px;
    margin: 4rem auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem var(--container-padding);
}

.feature-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

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

/* Benefits Section */
.benefits {
    max-width: 1200px;
    margin: 4rem auto;
    display: flex;
    align-items: center;
    gap: 4rem;
    padding: 2rem var(--container-padding);
}

.benefits-image {
    flex: 1;
}

.benefits-image img {
    width: 100%;
    max-width: 500px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.benefits-content {
    flex: 1;
}

.benefits-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.benefits-content ul {
    list-style: none;
    margin-bottom: 2rem;
}

.benefits-content li {
    margin-bottom: 1rem;
    font-size: clamp(1rem, 2vw, 1.1rem);
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Testimonials Section */
.testimonials {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 2rem;
}

.testimonials h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.testimonial-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.testimonial-card p {
    margin-bottom: 1rem;
    font-style: italic;
    color: var(--text-color);
}

.testimonial-card span {
    color: var(--primary-color);
    font-weight: 600;
}

/* FAQ Section */
.faq {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 2rem;
}

.faq h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 2rem;
}

.faq-item {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.faq-item h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

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

/* Footer */
footer {
    background-color: var(--white);
    padding: 4rem var(--container-padding) 2rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.footer-section a {
    display: block;
    color: var(--text-light);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    max-width: 1200px;
    margin: 2rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid #eee;
    text-align: center;
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: var(--white);
        padding: 1rem;
        box-shadow: var(--shadow);
        flex-direction: column;
        align-items: center;
    }

    .nav-links.active {
        display: flex;
    }

    .hero, .benefits {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content br {
        display: none;
    }

    .benefits-content {
        text-align: left;
    }

    .features {
        grid-template-columns: 1fr;
    }

    .language-switch {
        margin-left: 1rem;
    }

    .cta-button {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card, .hero-content, .benefits-content {
    animation: fadeIn 0.6s ease-out;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus Styles */
a:focus, button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Language Switch */
.language-switch {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-left: 2rem;
}

.language-switch a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    opacity: 0.7;
}

.language-switch a.active {
    opacity: 1;
}

.language-switch a:hover {
    opacity: 1;
}

.flag-icon {
    width: 24px;
    height: 16px;
    margin-right: 4px;
    border-radius: 2px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.flag-br {
    background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA3MjAgNTA0Ij48cGF0aCBmaWxsPSIjMDA5YjNhIiBkPSJNMCAwaDcyMHY1MDRIMHoiLz48cGF0aCBmaWxsPSIjZmVkZjAwIiBkPSJNMzYwIDY1LjRMNjg4LjIgMjUybDMyOC4yIDE4Ni42TDM2MCA0MzguNiAzMS44IDI1MiAzNjAgNjUuNHoiLz48Y2lyY2xlIGZpbGw9IiMwMDI3NzYiIGN4PSIzNjAiIGN5PSIyNTIiIHI9IjExNC44Ii8+PHBhdGggZmlsbD0iI2ZmZiIgZD0iTTM2MCAxNTcuMmMtNTIuNCAwLTk0LjggNDIuNC05NC44IDk0LjhzNDIuNCA5NC44IDk0LjggOTQuOCA5NC44LTQyLjQgOTQuOC05NC44LTQyLjQtOTQuOC05NC44LTk0Ljh6Ii8+PC9zdmc+') center/cover;
}

.flag-us {
    background: url('data:image/svg+xml;base64,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') center/cover;
}

/* Legal Content */
.legal-content {
    max-width: 1000px;
    margin: 120px auto 4rem;
    padding: 0 2rem;
}

.legal-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.legal-content .effective-date {
    color: var(--text-light);
    margin-bottom: 3rem;
}

.legal-content section {
    margin-bottom: 3rem;
}

.legal-content h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.legal-content h3 {
    font-size: 1.4rem;
    margin: 2rem 0 1rem;
    color: var(--text-color);
}

.legal-content p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
}

.legal-content ul {
    list-style-type: disc;
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.legal-content li {
    color: var(--text-light);
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

/* FAQ Page */
.faq-page {
    max-width: 800px;
}

.faq-section {
    display: grid;
    gap: 2rem;
}

.faq-page .faq-item {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.faq-page .faq-item:hover {
    transform: translateY(-2px);
}

.faq-page .faq-item h2 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.faq-page .faq-item p {
    color: var(--text-light);
    line-height: 1.8;
    margin: 0;
}

/* About Page */
.about-page {
    max-width: 900px;
}

.about-page .subtitle {
    font-size: 1.4rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    text-align: center;
}

.about-section {
    margin-bottom: 4rem;
}

.about-section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.about-section p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.value-item {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.value-item:hover {
    transform: translateY(-2px);
}

.value-item h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.value-item p {
    margin: 0;
}

.about-section.cta {
    text-align: center;
    background-color: var(--white);
    padding: 4rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.about-section.cta h2 {
    margin-bottom: 1rem;
}

.about-section.cta p {
    margin-bottom: 2rem;
}