/* --- DESIGN SYSTEM & VARIABLES --- */
:root {
    /* Colors - Dark Theme Premium (Logo Match) */
    --bg-primary: #141C26;
    --bg-secondary: #0F151C;
    --bg-card: rgba(255, 255, 255, 0.03);
    
    --text-primary: #f4f4f5;
    --text-secondary: #a1a1aa;
    
    --accent-blue: #94A3B8;
    --accent-blue-hover: #CBD5E1;
    --accent-glow: rgba(148, 163, 184, 0.15);

    --border-light: rgba(255, 255, 255, 0.08);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-sm: 0.5rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 3rem;
    --spacing-xl: 6rem;

    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* --- RESET & BASICS --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: 1.5rem;
}

p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.highlight {
    color: var(--accent-blue);
}

/* --- LAYOUT & CONTAINERS --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

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

.section-dark {
    background-color: var(--bg-secondary);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg) auto;
}

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

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
}

.btn-primary {
    background-color: var(--accent-blue);
    color: var(--bg-primary);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
    background-color: var(--accent-blue-hover);
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

/* --- HEADER / NAVBAR --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all var(--transition-normal);
    background: transparent;
}

header.scrolled, header.header-solid {
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    padding: 1rem 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
    display: block;
}

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

.nav-links a {
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.nav-links a:hover {
    color: var(--accent-blue);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

/* --- HERO SECTION --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: radial-gradient(circle at top right, rgba(148, 163, 184, 0.08) 0%, transparent 50%),
                radial-gradient(circle at bottom left, rgba(255, 255, 255, 0.02) 0%, transparent 50%);
}

.hero-content {
    max-width: 800px;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
}

/* --- CARDS (EXPERTISE) --- */
.cards-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg) var(--spacing-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(148,163,184,0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(148, 163, 184, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 48px;
    height: 48px;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-md);
}

/* --- TIMELINE (METHOD) --- */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    width: 1px;
    height: 100%;
    background-color: var(--border-light);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: var(--spacing-lg);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    z-index: 1;
}

/* --- FOUNDERS --- */
.founders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.founder-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
}

.founder-info h3 {
    margin-bottom: 0.2rem;
}

.role {
    display: inline-block;
    color: var(--accent-blue);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.linkedin-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-weight: 500;
    margin-top: var(--spacing-md);
}

.linkedin-link:hover {
    color: #0077b5; /* LinkedIn Color */
}

/* --- FOOTER --- */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    padding-top: var(--spacing-xl);
}

.footer-cta {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-light);
}

.footer-cta h2 {
    margin-bottom: var(--spacing-sm);
}

.footer-cta p {
    margin-bottom: var(--spacing-md);
    margin-left: auto;
    margin-right: auto;
    max-width: 500px;
}

.footer-bottom {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-sm);
}

.company-name {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.2rem;
}

.cnpj {
    font-size: 0.85rem;
}

.footer-contact h4, .footer-links h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-contact p, .footer-links a {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

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

.footer-copyright {
    text-align: center;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--border-light);
    font-size: 0.85rem;
}

/* --- LEGAL PAGES SPECIFIC --- */
.legal-section {
    padding-top: 120px;
    min-height: 80vh;
}

.legal-container {
    max-width: 800px;
}

.legal-content h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.last-updated {
    font-size: 0.9rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 1rem;
}

.legal-content h2 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.legal-content p, .legal-content ul {
    margin-bottom: 1.5rem;
}

.legal-content ul {
    list-style-type: disc;
    padding-left: 2rem;
    color: var(--text-secondary);
}

.legal-content a {
    color: var(--accent-blue);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .nav-links, .header-container .btn {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .footer-bottom {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 15px;
    }

    .timeline-item {
        padding-left: 45px;
    }

    .timeline-dot {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
}