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

:root {
    /* Cores principais */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    
    /* Cores de fundo */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    
    /* Cores de texto */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    
    /* Cores de estado */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Bordas */
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* Transições */
    --transition: all 0.2s ease-in-out;
    --transition-slow: all 0.3s ease-in-out;
}

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

/* Utilitários */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.brand-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.nav-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-icon {
    transition: var(--transition);
}

.btn:hover .btn-icon {
    transform: translateX(2px);
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/hero-image.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -1;
}



.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
    background: transparent;
}

.hero-content {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-xl);
    padding: 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

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

/* Dashboard Preview */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-xl);
    padding: 1rem;
}

.dashboard-preview {
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    width: 100%;
    max-width: 500px;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--transition-slow);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.dashboard-preview:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.preview-header {
    background: var(--bg-tertiary);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.preview-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.preview-title {
    font-weight: 600;
    color: var(--text-secondary);
}

.preview-content {
    padding: 2rem;
}

.chart-placeholder {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.chart-container {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    height: 250px;
    position: relative;
}

.chart-container canvas {
    border-radius: var(--border-radius);
}

.chart-bars {
    display: flex;
    align-items: end;
    gap: 0.5rem;
    height: 100px;
}

.bar {
    background: linear-gradient(to top, var(--primary-color), var(--primary-light));
    border-radius: 4px 4px 0 0;
    flex: 1;
    animation: growUp 1s ease-out;
}

@keyframes growUp {
    from { height: 0; }
    to { height: var(--height); }
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.stat-card {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

/* Demo Section */
.demo {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

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

.demo-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.demo-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.demo-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.check-icon {
    color: var(--success-color);
    flex-shrink: 0;
}

.demo-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.demo-screens {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.screen {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin-bottom: 1rem;
}

.screen-2 {
    transform: translateX(2rem) scale(0.9);
    opacity: 0.8;
}

.screen-header {
    background: var(--bg-tertiary);
    padding: 0.75rem 1rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.screen-content {
    padding: 1.5rem;
}

.mini-chart {
    background: var(--bg-secondary);
    height: 60px;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.mini-stats {
    display: flex;
    gap: 0.5rem;
}

.mini-stat {
    background: var(--bg-secondary);
    height: 30px;
    border-radius: var(--border-radius);
    flex: 1;
}

.mini-table {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.table-row {
    background: var(--bg-secondary);
    height: 20px;
    border-radius: var(--border-radius);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    color: var(--primary-light);
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--text-light);
    line-height: 1.6;
}

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

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

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

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

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

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

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    text-align: center;
    color: white;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

/* Responsividade */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .nav-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .demo-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 6rem 0 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }
    
    .features,
    .demo {
        padding: 4rem 0;
    }
}