:root {
    --primary-color: #3b82f6;
    --secondary-color: #60a5fa;
    --text-color: #e5e7eb;
    --light-text: #9ca3af;
    --background: #111827;
    --light-background: #1f2937;
    --border-color: #374151;
    --card-background: #1f2937;
    --header-background: rgba(17, 24, 39, 0.95);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Header e Navegação */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--header-background);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-img {
    width: 232px;
    height: auto;
    object-fit: contain;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

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

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

.nav-menu a:hover {
    color: var(--primary-color);
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

/* Hero Section */
.hero {
    padding: 8rem 1rem 4rem;
    background: linear-gradient(to bottom right, var(--light-background), var(--background));
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    line-height: 1.2;
    margin-top: 40px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--light-text);
    margin-bottom: 2rem;
}

/* Botões */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Features Section */
.features {
    padding: 4rem 1rem;
    background: var(--background);
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
    color: var(--text-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: 2rem;
    text-align: center;
    background: var(--card-background);
    border-radius: 1rem;
    transition: transform 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card.premium-feature {
    position: relative;
    border: 1px solid var(--primary-color);
}

.premium-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.developer {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--light-text);
}

.developer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Pricing Section */
.pricing {
    padding: 4rem 1rem;
    background: var(--light-background);
}

.pricing h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
    color: var(--text-color);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--card-background);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.pricing-card.premium {
    border: 2px solid var(--primary-color);
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin: 1rem 0;
}

.pricing-card ul {
    list-style: none;
    margin: 2rem 0;
    color: var(--light-text);
}

.pricing-card li {
    margin: 0.5rem 0;
}

/* Download Section */
.download {
    padding: 4rem 1rem;
    text-align: center;
    background: var(--background);
}

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

.download-options {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Contact Section */
.contact {
    padding: 4rem 1rem;
    background: var(--light-background);
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--light-background);
    color: var(--text-color);
    padding: 4rem 1rem 1rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

.footer-section a {
    color: var(--text-color);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    font-size: 1.5rem;
}

.social-links a {
    color: var(--text-color);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--light-text);
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--header-background);
        padding: 1rem;
        flex-direction: column;
        align-items: center;
    }

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

    .mobile-menu {
        display: block;
    }

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

    .cta-buttons {
        flex-direction: column;
    }

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

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

.feature-card,
.pricing-card {
    animation: fadeIn 0.5s ease-out;
}

.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.waitlist-form input[type="email"] {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--background);
    color: var(--text-color);
    font-size: 1rem;
    width: 100%;
}

.waitlist-form input[type="email"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

.waitlist-form input[type="email"]::placeholder {
    color: var(--light-text);
}

.waitlist-form button[type="submit"] {
    width: 100%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.waitlist-form button[type="submit"]:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.waitlist-form button[type="submit"].success {
    background: #10b981;
    border-color: #10b981;
    color: white;
}

.waitlist-form button[type="submit"].error {
    background: #ef4444;
    border-color: #ef4444;
    color: white;
}

.language-switch {
    padding: 0.5rem 1rem;
    border: 1px solid var(--primary-color);
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
    color: var(--primary-color);
}

.language-switch:hover {
    background: var(--primary-color);
    color: #FFF !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.2);
}