:root {
    /* Colors - Verde (tema do app) */
    --primary-color: #4CAF50;
    --primary-dark: #2E7D32;
    --primary-light: #81C784;
    --secondary-color: #66BB6A;
    --accent-color: #43A047;
    
    --text-primary: #1A202C;
    --text-secondary: #4A5568;
    --text-tertiary: #718096;
    
    --bg-primary: #FFFFFF;
    --bg-secondary: #F7FAFC;
    --bg-tertiary: #EDF2F7;
    
    --border-color: #E2E8F0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    
    --transition: all 0.3s ease;
}

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

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

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

/* Header */
.header {
    background-color: var(--bg-primary);
    padding: 20px 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #2E7D32 0%, #4CAF50 50%, #66BB6A 100%);
    padding: 80px 0 100px;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, #FFF59D, #FFD54F);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.hero-badges {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.2);
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    backdrop-filter: blur(10px);
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--bg-secondary);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-secondary);
    margin-top: -30px;
    margin-bottom: 40px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--bg-primary);
    padding: 30px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon.celebration { background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%); color: white; }
.feature-icon.characters { background: linear-gradient(135deg, #2E7D32 0%, #4CAF50 100%); color: white; }
.feature-icon.locations { background: linear-gradient(135deg, #43A047 0%, #66BB6A 100%); color: white; }
.feature-icon.manual { background: linear-gradient(135deg, #66BB6A 0%, #81C784 100%); color: white; }
.feature-icon.ai { background: linear-gradient(135deg, #2E7D32 0%, #4CAF50 100%); color: white; }
.feature-icon.pdf { background: linear-gradient(135deg, #388E3C 0%, #4CAF50 100%); color: white; }
.feature-icon.backup { background: linear-gradient(135deg, #81C784 0%, #A5D6A7 100%); color: #1B5E20; }

.feature-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.feature-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background-color: var(--bg-primary);
}

.pricing-toggle {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 50px;
}

.toggle-btn {
    padding: 12px 30px;
    border: 2px solid var(--border-color);
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.save-badge {
    background-color: #66BB6A;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px 30px;
    position: relative;
    transition: var(--transition);
}

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

.yearly-plan {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.free-plan {
    border-color: #e0e0e0;
    background-color: #f8f9fa;
}

.free-plan .plan-name {
    color: #666;
}

.free-plan .amount {
    color: #666;
}

.free-plan .plan-subtitle {
    color: #28a745;
    font-weight: 600;
    font-size: 14px;
    margin-top: 8px;
}

.recommended-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #2E7D32 0%, #4CAF50 100%);
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
}

.plan-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.plan-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

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

.currency {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-secondary);
}

.amount {
    font-size: 56px;
    font-weight: 800;
    color: var(--primary-color);
}

.period {
    font-size: 18px;
    color: var(--text-secondary);
}

.plan-economy {
    margin-top: 10px;
    color: #4CAF50;
    font-weight: 600;
}

.old-price {
    font-size: 18px;
    color: var(--text-secondary);
    text-decoration: line-through;
    opacity: 0.6;
    margin-top: 5px;
}

.discount-badge-inline {
    display: inline-block;
    background: #4CAF50;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-left: 10px;
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 16px;
    color: var(--text-secondary);
}

.plan-features svg {
    color: #4CAF50;
    flex-shrink: 0;
}

.plan-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn {
    padding: 16px 24px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    position: relative;
}

.btn-secondary:hover {
    background-color: #4CAF50;
    color: white;
    border-color: #4CAF50;
    transform: translateY(-2px);
}

.discount-badge {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background-color: #66BB6A;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
}

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

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

.faq-item {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius-md);
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    padding: 20px 25px;
    background-color: transparent;
    border: none;
    text-align: left;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-primary);
    transition: var(--transition);
}

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

.faq-icon {
    transition: transform 0.3s ease;
    color: var(--primary-color);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 25px 20px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: white;
    padding: 50px 0 30px;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-text {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.footer-links {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 20px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-links span {
    color: rgba(255, 255, 255, 0.3);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 20px;
    z-index: 1000;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay p {
    color: white;
    font-size: 18px;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .amount {
        font-size: 42px;
    }
    
    .hero-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-toggle {
        flex-direction: column;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 10px;
    }
    
    .footer-links span {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 50px 0 60px;
    }
    
    .features,
    .pricing,
    .faq {
        padding: 50px 0;
    }
    
    .btn {
        font-size: 14px;
        padding: 14px 20px;
    }
    
    .discount-badge {
        position: static;
        transform: none;
        margin-left: auto;
    }
}

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

.feature-card,
.pricing-card,
.faq-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Plan visibility toggle */
.monthly-plan,
.yearly-plan {
    display: none;
}

.monthly-plan.active,
.yearly-plan.active {
    display: block;
}