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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo h2 {
    color: #4CAF50;
    font-weight: 600;
    font-size: 1.5rem;
}

.logo i {
    margin-right: 0.5rem;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav a:hover {
    color: #4CAF50;
}

.btn-login {
    padding: 0.5rem 1.5rem;
    border: 2px solid #4CAF50;
    border-radius: 25px;
    color: #4CAF50 !important;
    transition: all 0.3s ease;
}

.btn-login:hover {
    background: #4CAF50;
    color: white !important;
}

.btn-register {
    padding: 0.5rem 1.5rem;
    background: #4CAF50;
    color: white !important;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.btn-register:hover {
    background: #45a049;
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #333;
    cursor: pointer;
}

.mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary {
    background: #4CAF50;
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    background: #45a049;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(76, 175, 80, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    padding: 1rem 2rem;
    border: 2px solid white;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-secondary:hover {
    background: white;
    color: #667eea;
}

/* Mockup Phone */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mockup-phone {
    width: 300px;
    height: 600px;
    background: #333;
    border-radius: 30px;
    padding: 20px;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.app-preview {
    padding: 2rem 1.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.preview-header {
    text-align: center;
    margin-bottom: 2rem;
}

.preview-logo {
    width: 60px;
    height: 60px;
    background: #4CAF50;
    border-radius: 50%;
    margin: 0 auto 1rem;
}

.preview-header h3 {
    color: #333;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.preview-header p {
    color: #666;
    font-size: 0.9rem;
}

.preview-converter {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 15px;
}

.input-group {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.input-group input {
    flex: 1;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.8rem;
}

.result-preview {
    text-align: center;
    font-weight: 600;
    color: #4CAF50;
    font-size: 1.1rem;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

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

.feature-card {
    background: var(--card-background-color, white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    border: 1px solid var(--card-border-color, #e2e8f0);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: white;
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

.pricing-card {
    max-width: 400px;
    margin: 0 auto;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
}

.price {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.currency {
    font-size: 1.5rem;
    vertical-align: top;
}

.period {
    font-size: 1.2rem;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.features-list {
    list-style: none;
    margin-bottom: 2rem;
}

.features-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.features-list i {
    color: #4CAF50;
}

.btn-pricing {
    background: #4CAF50;
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-pricing:hover {
    background: #45a049;
    transform: translateY(-3px);
}

/* Demo Section */
.demo {
    padding: 80px 0;
    background: #f8f9fa;
}

.demo h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

.demo-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.demo-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.step p {
    color: #666;
}

.demo-preview {
    text-align: center;
}

.btn-demo {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem 2rem;
    border-radius: 15px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-demo:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn-demo i {
    margin-left: 0.5rem;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    color: #4CAF50;
    margin-bottom: 1rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

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

.footer-section ul li a:hover {
    color: #4CAF50;
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #333;
    cursor: pointer;
}

.mobile-menu {
    display: none;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .nav {
        display: none !important;
    }
    
    .mobile-menu-toggle {
        display: block !important;
        background: none;
        border: none;
        font-size: 1.5rem;
        color: #4CAF50;
        cursor: pointer;
    }
    
    .mobile-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        padding: 1rem;
        display: none;
        z-index: 999;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .mobile-menu.show {
        display: block !important;
    }
    
    .mobile-menu a {
        display: block;
        padding: 0.75rem 0;
        text-decoration: none;
        color: #333;
        border-bottom: 1px solid #eee;
        transition: all 0.3s ease;
    }
    
    .mobile-menu a:hover {
        color: #4CAF50;
        background-color: #f8f9fa;
        padding-left: 1rem;
    }
    
    .mobile-menu a:last-child {
        border-bottom: none;
    }
    
    .mobile-menu .btn-login,
    .mobile-menu .btn-register {
        display: inline-block;
        margin: 1rem 0.5rem 0.5rem 0;
        padding: 0.75rem 1.5rem;
        border-radius: 25px;
        text-align: center;
        width: auto;
        border-bottom: none;
        font-weight: 600;
        transition: all 0.3s ease;
    }
    
    .mobile-menu .btn-login {
        border: 2px solid #4CAF50;
        color: #4CAF50 !important;
        background: transparent;
    }
    
    .mobile-menu .btn-login:hover {
        background: #4CAF50;
        color: white !important;
        padding-left: 1.5rem;
    }
    
    .mobile-menu .btn-register {
        background: linear-gradient(135deg, #4CAF50, #45a049);
        color: white !important;
        border: none;
    }
    
    .mobile-menu .btn-register:hover {
        background: linear-gradient(135deg, #45a049, #4CAF50);
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
        padding-left: 1.5rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .mockup-phone {
        width: 250px;
        height: 500px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .demo-content {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .features,
    .pricing,
    .demo {
        padding: 60px 0;
    }
    
    .features h2,
    .pricing h2,
    .demo h2 {
        font-size: 2rem;
    }
}