/* ============================================
   INVERSA CONSULTORIA E CONTABILIDADE
   Estilos Principais - Modernismo Corporativo Humanizado
   ============================================ */

/* ============ VARIÁVEIS DE DESIGN ============ */
:root {
    /* Cores Primárias */
    --color-primary: #1E3A5F;
    --color-secondary: #0D7377;
    --color-accent: #E8A87C;
    
    /* Cores Neutras */
    --color-bg-light: #F5F7FA;
    --color-bg-white: #FFFFFF;
    --color-text-dark: #2D3E50;
    --color-text-light: #5A6B7D;
    --color-border: #E0E6ED;
    
    /* Cores de Suporte */
    --color-success: #27AE60;
    --color-warning: #E8A87C;
    --color-error: #D64045;
    
    /* Tipografia */
    --font-display: Georgia, 'Times New Roman', serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Tamanhos de Fonte */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* Transições */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

/* ============ RESET E ESTILOS BASE ============ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-bg-white);
    overflow-x: hidden;
}

/* ============ CONTAINER ============ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* ============ HEADER / NAVEGAÇÃO ============ */
.header {
    background-color: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    flex-shrink: 0;
}

.logo-image {
    height: 50px;
    width: auto;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-dark);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--color-secondary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link-cta {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 4px;
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    background-color: var(--color-secondary);
    color: var(--color-bg-white);
}

/* ============ BOTÕES ============ */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-fast);
    text-align: center;
}

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

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

.btn-large {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

/* ============ SEÇÕES ============ */
.section {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.section-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-bg-white);
    padding: var(--spacing-2xl) 0;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="pattern" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><line x1="0" y1="0" x2="20" y2="20" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/><line x1="20" y1="0" x2="0" y2="20" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23pattern)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.section-intro {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ============ DIVISORES ============ */
.divider-top,
.divider-bottom {
    width: 100%;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    position: relative;
    margin: 0;
}

.divider-top {
    clip-path: polygon(0 60%, 100% 0, 100% 100%, 0 100%);
}

.divider-bottom {
    clip-path: polygon(0 0, 100% 60%, 100% 100%, 0 100%);
}

/* ============ GRID DE RISCOS ============ */
.risks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.risk-card {
    background-color: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border-left: 4px solid var(--color-secondary);
    transition: all var(--transition-base);
}

.risk-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--color-accent);
}

.risk-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.risk-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.risk-card p {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============ ESTATÍSTICAS ============ */
.risk-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    background-color: var(--color-primary);
    color: var(--color-bg-white);
    padding: var(--spacing-xl);
    border-radius: 8px;
    margin-top: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.stat-label {
    display: block;
    font-size: var(--font-size-sm);
    line-height: 1.6;
    opacity: 0.9;
}

/* ============ GRID DE CONTEÚDO ============ */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.content-block {
    background-color: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: 8px;
}

.content-block h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
}

.content-block p {
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ============ COMPONENTES ============ */
.components-section {
    margin: var(--spacing-xl) 0;
}

.subsection-title {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
}

.components-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.component-card {
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-white) 100%);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.component-card:hover {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-md);
}

.component-card h4 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.component-card p {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============ FLUXO ============ */
.flow-section {
    margin: var(--spacing-xl) 0;
}

.flow-diagram {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    background-color: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: 8px;
    margin-top: var(--spacing-md);
}

.flow-step {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 4px;
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-align: center;
    min-width: 150px;
}

.flow-arrow {
    font-size: var(--font-size-2xl);
    color: var(--color-secondary);
    font-weight: 700;
}

/* ============ DUAS COLUNAS ============ */
.two-column {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.column h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
}

.column p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

/* ============ LISTAS ============ */
.list-styled {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.list-styled li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-text-light);
    line-height: 1.7;
}

.list-styled li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
}

/* ============ CAIXAS ESPECIAIS ============ */
.equation-box,
.example-box {
    background-color: var(--color-bg-light);
    border-left: 4px solid var(--color-accent);
    padding: var(--spacing-lg);
    border-radius: 4px;
    margin: var(--spacing-md) 0;
}

.example-box.highlight {
    background: linear-gradient(135deg, rgba(232, 168, 124, 0.1) 0%, rgba(13, 115, 119, 0.05) 100%);
    border-left-color: var(--color-accent);
}

.equation-box h4,
.example-box h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.equation {
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-lg);
    color: var(--color-secondary);
    font-weight: 600;
    padding: var(--spacing-md);
    background-color: var(--color-bg-white);
    border-radius: 4px;
    text-align: center;
}

/* ============ REGIMES E RECUPERAÇÃO ============ */
.regimes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.regime-card {
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-white) 100%);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

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

.regime-card h4 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.recuperacao-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.recuperacao-item {
    background-color: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border-top: 3px solid var(--color-accent);
}

.recuperacao-item h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.recuperacao-item p {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============ INDICADORES ============ */
.indicators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.indicator-card {
    background-color: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border-left: 4px solid var(--color-secondary);
    transition: all var(--transition-base);
}

.indicator-card:hover {
    border-left-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.indicator-card h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.indicator-card p {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ============ CHECKLIST ============ */
.checklist {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    background-color: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: 8px;
    margin: var(--spacing-lg) 0;
}

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

.checklist-item input[type="checkbox"] {
    margin-top: 4px;
    cursor: pointer;
    accent-color: var(--color-secondary);
}

.checklist-item label {
    color: var(--color-text-light);
    line-height: 1.6;
    cursor: pointer;
}

/* ============ SOBRE ============ */
.about-content {
    display: grid;
    gap: var(--spacing-xl);
}

.about-block {
    background-color: var(--color-bg-light);
    padding: var(--spacing-xl);
    border-radius: 8px;
}

.about-block h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xl);
}

.about-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.value {
    background-color: var(--color-bg-white);
    padding: var(--spacing-lg);
    border-radius: 4px;
    border-top: 3px solid var(--color-secondary);
}

.value h4 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.value p {
    color: var(--color-text-light);
    line-height: 1.7;
}

.credentials {
    display: grid;
    gap: var(--spacing-lg);
}

.credential {
    background-color: var(--color-bg-white);
    padding: var(--spacing-lg);
    border-radius: 4px;
    border-left: 4px solid var(--color-accent);
}

.credential h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.credential p {
    color: var(--color-text-light);
    line-height: 1.7;
    margin: var(--spacing-xs) 0;
}

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

.ethics-column h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

/* ============ FORMULÁRIO DE CONTATO ============ */
.contact-form-wrapper {
    max-width: 600px;
    margin: var(--spacing-xl) auto;
    background-color: var(--color-bg-light);
    padding: var(--spacing-xl);
    border-radius: 8px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--color-text-dark);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(13, 115, 119, 0.1);
}

.form-group textarea {
    resize: vertical;
    font-family: var(--font-body);
}

.error-message {
    color: var(--color-error);
    font-size: var(--font-size-xs);
    display: none;
}

.error-message.show {
    display: block;
}

.form-group.error input,
.form-group.error textarea,
.form-group.error select {
    border-color: var(--color-error);
    background-color: rgba(214, 64, 69, 0.05);
}

.form-message {
    padding: var(--spacing-md);
    border-radius: 4px;
    text-align: center;
    display: none;
    font-weight: 600;
}

.form-message.success {
    display: block;
    background-color: rgba(39, 174, 96, 0.1);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.form-message.error {
    display: block;
    background-color: rgba(214, 64, 69, 0.1);
    color: var(--color-error);
    border: 1px solid var(--color-error);
}

/* ============ RODAPÉ ============ */
.footer {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg) 0;
    margin-top: var(--spacing-2xl);
}

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

.footer-section h4 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.footer-section p {
    font-size: var(--font-size-sm);
    line-height: 1.8;
    opacity: 0.85;
}

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

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--color-bg-white);
    text-decoration: none;
    font-size: var(--font-size-sm);
    opacity: 0.85;
    transition: opacity var(--transition-fast);
}

.footer-section a:hover {
    opacity: 1;
    text-decoration: underline;
}

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

.footer-bottom p {
    font-size: var(--font-size-xs);
    opacity: 0.7;
    margin: var(--spacing-xs) 0;
}

.footer-disclaimer {
    font-style: italic;
}

/* ============ RESPONSIVIDADE ============ */
@media (max-width: 768px) {
    .nav-list {
        gap: var(--spacing-md);
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .two-column {
        grid-template-columns: 1fr;
    }

    .flow-diagram {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .flow-arrow {
        transform: rotate(90deg);
    }

    .risks-grid,
    .components-grid,
    .regimes-grid,
    .indicators-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: var(--spacing-xl) 0;
    }
}

@media (max-width: 480px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav-list {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
    }

    .hero-title {
        font-size: var(--font-size-xl);
    }

    .section-title {
        font-size: var(--font-size-xl);
    }

    .risk-stats {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: var(--font-size-2xl);
    }

    .btn-large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }

    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ============ ANIMAÇÕES ============ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section {
    animation: fadeInUp 0.6s ease-out;
}

/* ============ SCROLL REVEAL ============ */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}