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

:root {
    --primary-green: #B8E53D;
    --primary-green-dark: #A8D52D;
    --primary-green-darker: #98C51D;
    --dark-text: #1a1a1a;
    --gray-text: #555;
    --light-gray: #f8f9fa;
    --border-color: #e1e5e9;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --border-radius-large: 20px;
    --transition: all 0.3s ease;
}

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

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

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 45px;
    height: 45px;
    border-radius: 8px;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

.header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-text);
}

.nav {
    display: flex;
    gap: 25px;
}

.nav-link {
    color: var(--gray-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 16px;
    border-radius: 8px;
}

.nav-link:hover {
    color: var(--primary-green-darker);
    background: rgba(184, 229, 61, 0.1);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    padding: 80px 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--dark-text);
    margin-bottom: 15px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--dark-text);
    margin-bottom: 25px;
    opacity: 0.8;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--dark-text);
    margin-bottom: 35px;
    line-height: 1.7;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cta-button {
    display: inline-block;
    background: var(--dark-text);
    color: var(--white);
    padding: 18px 35px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    text-align: center;
    box-shadow: var(--shadow);
    max-width: 280px;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    background: #333;
}

.beta-notice {
    color: var(--dark-text);
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.8;
}

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

.app-preview {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-hover);
    transition: var(--transition);
}

.app-preview:hover {
    transform: scale(1.02);
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--white);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--dark-text);
}

.section-subtitle {
    font-size: 1.2rem;
    text-align: center;
    color: var(--gray-text);
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

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

.feature-card {
    background: var(--white);
    padding: 35px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: block;
}

.feature-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-text);
}

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

/* Beta Section */
.beta-section {
    background: linear-gradient(135deg, var(--light-gray) 0%, #f0f0f0 100%);
    padding: 100px 0;
}

.beta-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.beta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark-text);
}

.beta-description {
    font-size: 1.2rem;
    color: var(--gray-text);
    margin-bottom: 50px;
    line-height: 1.6;
}

.beta-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow);
    text-align: left;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark-text);
    font-size: 0.95rem;
}

.form-group input,
.form-group select {
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(184, 229, 61, 0.1);
}

.checkbox-group {
    margin: 30px 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin: 0;
    cursor: pointer;
}

.submit-button {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: var(--dark-text);
    border: none;
    padding: 18px 24px;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.submit-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(135deg, var(--primary-green-dark) 0%, var(--primary-green-darker) 100%);
}

.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.button-loading {
    display: none;
}

.submit-button.loading .button-text {
    display: none;
}

.submit-button.loading .button-loading {
    display: inline;
}

.success-message {
    display: none;
    background: #d4edda;
    border: 1px solid #c3e6cb;
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    margin-top: 20px;
}

.success-message.show {
    display: block;
    animation: fadeInUp 0.5s ease-out;
}

.success-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.success-message h4 {
    color: #155724;
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.success-message p {
    color: #155724;
    opacity: 0.8;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-brand .logo-container {
    margin-bottom: 15px;
}

.footer-logo {
    width: 35px;
    height: 35px;
    border-radius: 6px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.footer-section h4 {
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: var(--white);
}

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

.footer-section li {
    margin-bottom: 8px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header .container {
        flex-direction: column;
        gap: 15px;
        padding: 20px 15px;
    }
    
    .nav {
        gap: 15px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-card {
        padding: 25px;
    }
    
    .beta-form {
        padding: 25px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .beta-title {
        font-size: 2rem;
    }
    
    .beta-form {
        padding: 20px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus states para acessibilidade */
*:focus-visible {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}