:root {
    /* Cores principais - Paleta profissional */
    --primary-color: #1a365d;
    --secondary-color: #3182ce;
    --accent-color: #38a169;
    --light-color: #f7fafc;
    --lighter-color: #ffffff;
    --danger-color: #e53e3e;
    --success-color: #38a169;
    --warning-color: #d69e2e;
    --dark-color: #2d3748;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Espaçamentos consistentes */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Bordas e raios */
    --border-radius-sm: 6px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    
    /* Transições */
    --transition-fast: all 0.15s ease;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Tipografia */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-warning: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

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

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: var(--text-primary);
    line-height: 1.6;
    padding-bottom: 100px;
    min-height: 100vh;
}

/* Header profissional */
header {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    box-shadow: var(--shadow-xl);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.header-content {
    position: relative;
    z-index: 2;
}

.header-logo {
    text-align: center;
    
}

.logo-image {
    height: 70px;
    width: auto;
 
    transition: var(--transition);
}

.logo-image:hover {
    transform: scale(1.05);
    filter: brightness(0) invert(1) drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

header h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: -0.025em;
    margin-bottom: var(--spacing-sm);
}

.header-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    font-weight: 400;
}

.header-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.decoration-circle:nth-child(1) {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.decoration-circle:nth-child(2) {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.decoration-circle:nth-child(3) {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

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

/* Seções */
.section {
    display: none;
    min-height: calc(100vh - 200px);
    animation: fadeIn 0.5s ease-in-out;
}

.section.active {
    display: block;
}

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

/* Cards profissionais */
.card {
    background: var(--lighter-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    transition: var(--transition);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-light);
    text-align: center;
}

.card-logo {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.card-logo-image {
    height: 40px;
    width: auto;
    transition: var(--transition);
}

.card-logo-image:hover {
    transform: scale(1.1);
}

.card h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card h2::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-sm);
}

.card-description {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    font-weight: 400;
    margin: 0;
}

.card h3 {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

/* Formulário profissional */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.form-group label {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-group input,
.form-group select {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: var(--transition);
    background: var(--lighter-color);
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
    transform: translateY(-1px);
}

.form-group input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

.form-help {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

/* Botões profissionais */
.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.025em;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--lighter-color);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
}

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

.btn-danger {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Resultados profissionais */
.results-card {
    border-left: 4px solid var(--success-color);
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

.results-actions {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
    text-align: center;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.result-item {
    background: var(--lighter-color);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.result-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-success);
    transform: scaleX(0);
    transition: var(--transition);
}

.result-item:hover::before {
    transform: scaleX(1);
}

.result-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.result-value {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-value.positive {
    background: var(--gradient-success);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-value.negative {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Simulações */
.simulation-item {
    background: var(--lighter-color);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.simulation-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--secondary-color);
}

.simulation-info {
    flex: 1;
    min-width: 250px;
}

.simulation-info h4 {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.simulation-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Comparação com Benchmarks */
.comparison-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.benchmark-section,
.chart-section,
.analysis-section,
.tips-section {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
    position: relative;
}

.section-logo {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-logo-image {
    height: 30px;
    width: auto;
    transition: var(--transition);
}

.section-logo-image:hover {
    transform: scale(1.1);
}

.benchmark-section h3,
.chart-section h3,
.analysis-section h3,
.tips-section h3 {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.benchmark-section h3::before,
.chart-section h3::before,
.analysis-section h3::before,
.tips-section h3::before {
    content: '';
    width: 3px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-sm);
}

.chart-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-style: italic;
}

/* Grid de Benchmarks */
.benchmark-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.benchmark-item {
    background: var(--lighter-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 120px;
}

.benchmark-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.benchmark-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.benchmark-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.benchmark-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Seção de Gráfico */
.chart-section {
    text-align: center;
}

.chart-container {
    position: relative;
    height: 400px;
    margin: var(--spacing-lg) 0;
    background: var(--lighter-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

/* Seção de Análise */
.analysis-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* Classes de posicionamento */
.position-first {
    color: #d69e2e !important;
    font-weight: 800;
}

.position-second {
    color: #718096 !important;
    font-weight: 700;
}

.position-third {
    color: #a0522d !important;
    font-weight: 700;
}

.position-other {
    color: var(--text-secondary) !important;
    font-weight: 600;
}

/* Seção de Dicas */
.tips-section {
    background: linear-gradient(135deg, #fefce8 0%, #fef3c7 100%);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.tip-card {
    background: var(--lighter-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.tip-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-warning);
}

.tip-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tip-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
    text-align: center;
}

.tip-logo-image {
    height: 30px;
    width: auto;
    transition: var(--transition);
}

.tip-logo-image:hover {
    transform: scale(1.1);
}

.tip-card h4 {
    color: var(--primary-color);
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.tip-card p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin: 0;
}

/* Cenários */
.scenario-controls {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
}

.scenario-value {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 700;
    font-size: var(--font-size-lg);
    min-width: 80px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.scenario-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.scenario-item {
    background: var(--lighter-color);
    border: 2px solid var(--border-light);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.scenario-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-warning);
}

.scenario-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--secondary-color);
}

.scenario-item h4 {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

/* Recomendações */
.recommendations {
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
}

.recommendations-header {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.recommendations-header h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.recommendations-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

.recommendation-item {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    background: var(--lighter-color);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--secondary-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.recommendation-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.recommendation-item strong {
    color: var(--primary-color);
    font-size: var(--font-size-base);
    font-weight: 700;
}

.recommendation-item p {
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    line-height: 1.6;
}

/* FAQ */
.faq-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.faq-item {
    background: var(--lighter-color);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.faq-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.faq-item:hover::before {
    opacity: 1;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--lighter-color);
    border: none;
    text-align: left;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.faq-logo {
    margin-right: var(--spacing-md);
}

.faq-logo-image {
    height: 20px;
    width: auto;
    transition: var(--transition);
}

.faq-logo-image:hover {
    transform: scale(1.1);
}

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

.faq-question[aria-expanded="true"] {
    background: var(--primary-color);
    color: white;
}

.faq-question[aria-expanded="true"] .faq-icon {
    color: white;
    transform: rotate(45deg);
}

.faq-icon {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary-color);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

.faq-answer {
    padding: var(--spacing-lg);
    background: white;
    border-top: 1px solid var(--border-light);
    color: var(--text-secondary);
    line-height: 1.6;
    animation: slideDown 0.3s ease-out;
}

.faq-answer p {
    margin: 0;
}

.faq-answer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.faq-answer a:hover {
    text-decoration: underline;
    color: var(--secondary-color);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navegação inferior */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-xl);
    z-index: 1000;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    padding: var(--spacing-sm) var(--spacing-xs);
    transition: var(--transition);
    min-width: 60px;
    border-radius: var(--border-radius-sm);
    position: relative;
}

.nav-item i {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    transition: var(--transition);
}

.nav-item.active {
    color: var(--secondary-color);
    transform: translateY(-4px);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--secondary-color);
    border-radius: 50%;
}

.nav-item:hover {
    color: var(--secondary-color);
    transform: translateY(-2px);
}

/* Disclaimer Banner */
.disclaimer-banner {
    background: linear-gradient(135deg, #fefce8 0%, #fef3c7 100%);
    border: 1px solid #fbbf24;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.disclaimer-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.disclaimer-icon {
    font-size: var(--font-size-xl);
    flex-shrink: 0;
    margin-top: 2px;
    text-align: center;
}

.disclaimer-logo-image {
    height: 30px;
    width: auto;
    transition: var(--transition);
}

.disclaimer-logo-image:hover {
    transform: scale(1.1);
}

.disclaimer-text {
    color: #92400e;
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin: 0;
}

.disclaimer-text strong {
    color: #78350f;
    font-weight: 700;
}

/* Footer */
footer {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    padding: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
}

.footer-section {
   
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
}

.footer-links {
   
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
}

.footer-links a:hover {
    color: var(--accent-color);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.separator {
    color: var(--light-color);
    font-weight: 300;
    margin: 0 var(--spacing-xs);
}

.footer-website {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 200px;
    margin: 0 auto;
    text-align: center;
}

.footer-website a {
    color: white;
    text-decoration: none;
    font-size: var(--font-size-sm);
    line-height: 1.5;
    opacity: 0.9;
    font-weight: 600;
    transition: var(--transition);
    display: block;
    padding: var(--spacing-xs);
}

.footer-website a:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    transform: translateY(-1px);
}

/* Estados e utilitários */
.hidden {
    display: none !important;
}

.loading {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-muted);
    font-style: italic;
    font-size: var(--font-size-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-light);
    border-top: 4px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    padding: var(--spacing-2xl);
    font-size: var(--font-size-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.empty-icon {
    font-size: var(--font-size-3xl);
    opacity: 0.5;
    text-align: center;
}

.empty-logo-image {
    height: 40px;
    width: auto;
    opacity: 0.6;
    transition: var(--transition);
}

.empty-logo-image:hover {
    opacity: 1;
    transform: scale(1.1);
}

.empty-state p {
    margin: 0;
    font-weight: 500;
}

.empty-state small {
    font-size: var(--font-size-sm);
    opacity: 0.7;
}

/* Alertas profissionais */
.alert {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
    font-weight: 600;
    border: 1px solid;
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.alert-success {
    background: rgba(56, 161, 105, 0.1);
    color: var(--success-color);
    border-color: var(--success-color);
}

.alert-success::before {
    background: var(--success-color);
}

.alert-danger {
    background: rgba(229, 62, 62, 0.1);
    color: var(--danger-color);
    border-color: var(--danger-color);
}

.alert-danger::before {
    background: var(--danger-color);
}

.alert-warning {
    background: rgba(214, 158, 46, 0.1);
    color: var(--warning-color);
    border-color: var(--warning-color);
}

.alert-warning::before {
    background: var(--warning-color);
}

/* Análise de resultados */
.analysis-section {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
}

.analysis-section h4 {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.analysis-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--lighter-color);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-light);
}

.analysis-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.analysis-value {
    font-weight: 700;
    color: var(--primary-color);
    font-size: var(--font-size-sm);
}

.conclusion-box {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.conclusion-box.positive {
    background: rgba(56, 161, 105, 0.1);
    color: var(--success-color);
    border: 2px solid var(--success-color);
}

.conclusion-box.negative {
    background: rgba(229, 62, 62, 0.1);
    color: var(--danger-color);
    border: 2px solid var(--danger-color);
}

.tip-box {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: var(--warning-color);
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 500;
    border: 1px solid var(--warning-color);
}

/* Gráficos */
.chart-container {
    position: relative;
    height: 400px;
    margin: var(--spacing-xl) 0;
    background: var(--lighter-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

#comparisonChart {
    max-width: 100%;
    height: auto;
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }
    
    .card {
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-md);
    }
    
    header h1 {
        font-size: var(--font-size-2xl);
    }
    
    .results-grid,
    .benchmark-grid,
    .scenario-results {
        grid-template-columns: 1fr;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .analysis-grid {
        grid-template-columns: 1fr;
    }
    
    .simulation-item {
        flex-direction: column;
        align-items: stretch;
    }
    
    .simulation-actions {
        justify-content: center;
        width: 100%;
    }
    
    .nav-item {
        font-size: var(--font-size-xs);
        min-width: 50px;
    }
    
    .nav-item i {
        font-size: var(--font-size-base);
    }
    
    .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .btn:last-child {
        margin-bottom: 0;
    }
    
    .comparison-content {
        gap: var(--spacing-lg);
    }
    
    .benchmark-section,
    .chart-section,
    .analysis-section,
    .tips-section {
        padding: var(--spacing-lg);
    }
    
    .disclaimer-banner {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
    
    .disclaimer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .disclaimer-icon {
        margin: 0 auto;
    }
    
    .footer-content {
        gap: var(--spacing-md);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .separator {
        display: none;
    }
    
    .footer-website {
        max-width: 100%;
        margin-top: var(--spacing-sm);
    }
    
    .faq-container {
        gap: var(--spacing-md);
    }
    
    .faq-question {
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .faq-answer {
        padding: var(--spacing-md);
    }
    
    .faq-logo .faq-logo-image {
        height: 16px;
    }
    
    .empty-logo-image {
        height: 30px;
    }
    
    .tip-logo-image {
        height: 25px;
    }
    
    .disclaimer-logo-image {
        height: 25px;
    }
    
    .language-toggle-container {
        top: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    .language-toggle-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .language-dropdown {
        min-width: 140px;
    }
    
    .header-logo .logo-image {
        height: 40px;
    }
    
    .card-logo .card-logo-image {
        height: 30px;
    }
    
    .section-logo .section-logo-image {
        height: 25px;
    }
    
    .terms-header .logo-image,
    .privacy-header .logo-image,
    .test-header .logo-image {
        height: 40px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    .card {
        margin-bottom: var(--spacing-sm);
        padding: var(--spacing-md);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .nav-item {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs);
    }
    
    .nav-item span {
        display: none;
    }
    
    .results-grid {
        gap: var(--spacing-md);
    }
    
    .result-item {
        padding: var(--spacing-md);
    }
}

@media (min-width: 1200px) {
    .container {
        padding: var(--spacing-2xl);
    }
    
    .results-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .benchmark-container {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .scenario-results {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Toast de Confirmação de Simulação Salva */
.simulation-saved-toast {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    max-width: 350px;
    animation: toastSlideIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border-left: 4px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.simulation-saved-toast.success {
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
}

.simulation-saved-toast.error {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.simulation-saved-toast.warning {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

.toast-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.toast-icon {
    font-size: 1.5rem;
    animation: iconPulse 0.6s ease-out;
}

.toast-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin: 0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.toast-message {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
    line-height: 1.4;
}

.toast-details {
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.toast-details p {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin: 0;
    text-align: center;
}

.toast-actions {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: flex-end;
}

.toast-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-size-xs);
    font-weight: 600;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.toast-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-1px);
}

.toast-btn.primary {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

.toast-btn.primary:hover {
    background: rgba(255, 255, 255, 0.35);
}

/* Animações para o toast */
@keyframes toastSlideIn {
    0% {
        opacity: 0;
        transform: translateX(100%);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes iconPulse {
    0% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Toast responsivo */
@media (max-width: 768px) {
    .simulation-saved-toast {
        top: var(--spacing-md);
        right: var(--spacing-md);
        left: var(--spacing-md);
        max-width: none;
        animation: toastSlideInMobile 0.4s ease-out;
    }
    
    .toast-actions {
        justify-content: center;
    }
}

@keyframes toastSlideInMobile {
    0% {
        opacity: 0;
        transform: translateY(-100%);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.section.active .card {
    animation: slideInUp 0.6s ease-out;
}

.section.active .card:nth-child(2) {
    animation-delay: 0.1s;
}

.section.active .card:nth-child(3) {
    animation-delay: 0.2s;
}

/* Melhorias para inputs específicos */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    outline: none;
    margin: var(--spacing-sm) 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-md);
}

/* Melhorias para selects */
select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--border-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Toggle de Idioma */
.language-toggle-container {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 10;
}

.language-toggle-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm) var(--spacing-md);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.language-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-1px);
}

.language-flag {
    font-size: var(--font-size-lg);
}

.language-text {
    font-weight: 700;
}

.toggle-arrow {
    font-size: var(--font-size-xs);
    transition: var(--transition);
}

.language-toggle-btn[aria-expanded="true"] .toggle-arrow {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    margin-top: var(--spacing-xs);
    overflow: hidden;
}

.language-option {
    padding: var(--spacing-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition);
    border-bottom: 1px solid var(--border-light);
}

.language-option:last-child {
    border-bottom: none;
}

.language-option:hover {
    background: var(--lighter-color);
}

.language-option .language-flag {
    font-size: var(--font-size-lg);
}

.language-option .language-name {
    color: var(--text-primary);
    font-weight: 500;
}

/* Estilos para logos dos headers dos outros arquivos */
.terms-header,
.privacy-header,
.test-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-light);
}

.terms-header .header-logo,
.privacy-header .header-logo,
.test-header .header-logo {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.terms-header .logo-image,
.privacy-header .logo-image,
.test-header .logo-image {
    height: 50px;
    width: auto;
    transition: var(--transition);
}

.terms-header .logo-image:hover,
.privacy-header .logo-image:hover,
.test-header .logo-image:hover {
    transform: scale(1.05);
}