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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --traevo-yellow: #FFD700;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --background: #ffffff;
    --background-light: #f8fafc;
    --background-dark: #0f172a;
    --border-color: #e2e8f0;
    --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);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    font-size: 16px;
}

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

/* Header */
.header {
    background: var(--background);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--background-light);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.nav {
    display: flex;
    gap: 2rem;
}

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

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

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--background-light) 0%, var(--background) 100%);
    padding: 4rem 0;
    border-bottom: 1px solid var(--border-color);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    margin-bottom: 1.5rem;
}

.hero-badge span {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.highlight {
    color: var(--primary-color);
    position: relative;
}

.hero-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.author-details {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
}

.author-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.reading-time {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Article */
.article {
    padding: 4rem 0;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
}

.content-section {
    margin-bottom: 3rem;
}

.content-section h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.content-section p {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-primary);
}

.content-section p:last-child {
    margin-bottom: 0;
}

.lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--primary-color);
}

/* Quote Box */
.quote-box {
    margin: 2rem 0;
    padding: 2rem;
    background: var(--background-light);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--border-radius);
}

.quote-box.warning {
    border-left-color: var(--accent-color);
    background: #fef3c7;
}

.quote-box blockquote {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.6;
}

/* Highlight Section */
.highlight-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    margin: 3rem 0;
}

.highlight-section h2 {
    color: white;
}

.highlight-section p {
    color: rgba(255, 255, 255, 0.9);
}

.methodology-box {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-top: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.methodology-box h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.methodology-box p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

/* Principles Grid */
.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.principle-card {
    background: var(--background-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.principle-card h4 {
    color: var(--primary-color);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.principle-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
}

/* Services List */
.services-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2rem 0;
}

.service-item {
    background: var(--background-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.service-item h4 {
    color: var(--primary-color);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.service-item p {
    color: var(--text-secondary);
    margin: 0;
}

/* CTA Box */
.cta-box {
    background: linear-gradient(135deg, var(--accent-color) 0%, #f59e0b 100%);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    margin: 2rem 0;
    text-align: center;
}

.cta-text {
    color: white;
    font-size: 1.25rem;
    font-weight: 500;
    margin: 0;
}

/* Final Section */
.final-section {
    border-top: 2px solid var(--border-color);
    padding-top: 3rem;
}

.conclusion {
    background: var(--background-light);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
}

/* Author Section */
.author-section {
    background: var(--background-light);
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
}

.author-card {
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.author-avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
    flex-shrink: 0;
}

.author-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.author-role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.author-bio {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Company Section */
.company-section {
    padding: 4rem 0;
    background: white;
}

.company-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.company-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.company-content > p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.7;
}

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

.value-item {
    background: var(--background-light);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.value-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.value-item h4 {
    color: var(--primary-color);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.value-item p {
    color: var(--text-secondary);
    margin: 0;
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    height: 32px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: var(--text-light);
    margin: 0;
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

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

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

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 1rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .logo {
        justify-content: center;
    }
    
    .nav {
        gap: 1rem;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .hero-meta {
        flex-direction: column;
        gap: 1rem;
    }
    
    .article {
        padding: 2rem 0;
    }
    
    .content-section {
        margin-bottom: 2rem;
    }
    
    .content-section h2 {
        font-size: 1.5rem;
    }
    
    .content-section p {
        font-size: 1rem;
    }
    
    .quote-box {
        padding: 1.5rem;
    }
    
    .highlight-section {
        padding: 2rem;
        margin: 2rem 0;
    }
    
    .principles-grid {
        grid-template-columns: 1fr;
    }
    
    .author-card {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
    }
    
    .company-values {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .quote-box blockquote {
        font-size: 1.125rem;
    }
    
    .cta-text {
        font-size: 1.125rem;
    }
    
    .methodology-box,
    .principle-card,
    .service-item,
    .value-item {
        padding: 1.5rem;
    }
    
    .logo-img {
        height: 32px;
    }
    
    .footer-logo {
        height: 28px;
    }
}

/* Smooth animations */
@media (prefers-reduced-motion: no-preference) {
    .principle-card,
    .value-item,
    .service-item {
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
}

/* Print styles */
@media print {
    .header,
    .footer,
    .author-section,
    .company-section {
        display: none;
    }
    
    .article {
        padding: 0;
    }
    
    .hero {
        padding: 1rem 0;
        background: white;
    }
    
    .logo-img,
    .footer-logo {
        filter: none;
    }
}