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

:root {
    /* Cores principais */
    --primary-color: #00BCD4;
    --primary-dark: #0097A7;
    --primary-light: #B2EBF2;
    --secondary-color: #1A2B4A;
    --secondary-dark: #0F1A2E;
    --accent-color: #00E5FF;
    
    /* Cores neutras */
    --white: #FFFFFF;
    --black: #000000;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Tipografia */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Sombras */
    --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);
    
    /* Transições */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--gray-900);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    box-sizing: border-box;
}

/* Header */
.header {
    background-color: var(--secondary-color);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

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

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

.nav {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

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

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

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

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

.btn-login {
    color: var(--white);
    text-decoration: none;
    padding: 0.5rem 1.25rem;
    border: 2px solid var(--white);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-login:hover {
    background-color: var(--white);
    color: var(--secondary-color);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
    border: 2px solid var(--primary-color);
    white-space: nowrap;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 100vw;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 188, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 188, 212, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    color: var(--gray-200);
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.95rem;
}

.hero-feature .icon {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.btn-cta {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    padding: 1rem 2.5rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1.125rem;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-xl);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-cta:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 25px 35px -5px rgba(0, 188, 212, 0.4);
}

.hero-price {
    margin-top: var(--spacing-md);
    font-size: 0.95rem;
    color: var(--gray-300);
}

.hero-visual {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, rgba(0, 188, 212, 0.2) 0%, rgba(0, 229, 255, 0.1) 100%);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(0, 188, 212, 0.3);
    position: relative;
}

.hero-visual::before {
    content: '🔒';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 6rem;
    opacity: 0.3;
}

/* Sections */
.section {
    padding: var(--spacing-3xl) 0;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

.section-light {
    background-color: var(--white);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.section-dark .section-title {
    color: var(--white);
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--gray-600);
    margin-bottom: var(--spacing-2xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-dark .section-subtitle {
    color: var(--gray-300);
}

/* Steps */
.steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

@media (max-width: 1024px) {
    .steps {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

.step {
    text-align: center;
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background-color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon svg {
    width: 40px;
    height: 40px;
    color: var(--primary-dark);
    stroke-width: 2;
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* Video Section */
.video-section {
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-xl);
    background-color: var(--gray-50);
    border-radius: var(--radius-xl);
}

.subsection-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.subsection-text {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

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

.video-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.video-placeholder {
    width: 100%;
    height: 150px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.video-placeholder svg {
    width: 60px;
    height: 60px;
    color: var(--white);
}

.video-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-xs);
}

.video-card p {
    font-size: 0.9rem;
    color: var(--gray-600);
}

/* Legal Content */
.legal-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.legal-text {
    font-size: 1rem;
    line-height: 1.8;
}

.legal-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.section-dark .legal-text h3 {
    color: var(--white);
}

.legal-text p {
    margin-bottom: var(--spacing-md);
}

.legal-list {
    list-style: none;
    padding: 0;
}

.legal-list li {
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.legal-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.link-inline {
    color: var(--primary-color);
    text-decoration: underline;
    transition: color var(--transition-fast);
}

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

.section-dark .link-inline {
    color: var(--accent-color);
}

.legal-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.legal-feature-card {
    background-color: rgba(0, 188, 212, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--primary-color);
}

.legal-icon {
    width: 50px;
    height: 50px;
    margin-bottom: var(--spacing-md);
}

.legal-icon svg {
    width: 100%;
    height: 100%;
    color: var(--primary-color);
}

.legal-feature-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.legal-feature-card p {
    font-size: 0.9rem;
    color: var(--gray-300);
    line-height: 1.6;
}

/* Use Cases */
.use-cases {
    margin-top: var(--spacing-3xl);
}

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

.use-case-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.use-case-card:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.use-case-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.use-case-card p {
    font-size: 0.95rem;
    color: var(--gray-300);
    line-height: 1.6;
}

/* Methodology */
.methodology-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--spacing-2xl);
}

.methodology-intro p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.highlight-text {
    background-color: var(--primary-light);
    color: var(--primary-dark);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    display: inline-block;
}

.methodology-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.methodology-step {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background-color: var(--gray-50);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.methodology-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    box-shadow: var(--shadow-lg);
}

.methodology-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.methodology-description {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.methodology-details {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.methodology-details h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.methodology-details ul {
    list-style: none;
    padding: 0;
}

.methodology-details li {
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    position: relative;
    line-height: 1.7;
}

.methodology-details li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.methodology-footer {
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-xl);
    color: var(--white);
}

.methodology-highlight h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.methodology-highlight p {
    font-size: 1.125rem;
    line-height: 1.8;
}

/* Pricing */
.pricing-table {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 1200px) {
    .pricing-table {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .pricing-table {
        grid-template-columns: 1fr;
    }
}

.pricing-card {
    background-color: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.pricing-featured {
    border-color: var(--primary-color);
    border-width: 3px;
    box-shadow: var(--shadow-lg);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
}

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

.pricing-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-xs);
}

.pricing-description {
    font-size: 0.95rem;
    color: var(--gray-600);
}

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

.price-currency {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-600);
    vertical-align: top;
}

.price-value {
    font-size: 4rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.price-period {
    font-size: 1rem;
    color: var(--gray-600);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
    color: var(--gray-700);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.feature-disabled {
    color: var(--gray-400);
    text-decoration: line-through;
}

.feature-enabled {
    color: var(--primary-color);
    font-weight: 600;
}

.btn-pricing {
    display: block;
    text-align: center;
    padding: 1rem;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 700;
    transition: all var(--transition-base);
}

.btn-pricing:hover {
    background-color: var(--secondary-dark);
    transform: scale(1.05);
}

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

.btn-pricing-featured:hover {
    background-color: var(--primary-dark);
}

.pricing-footer {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--gray-50);
    border-radius: var(--radius-lg);
}

.pricing-footer p {
    margin-bottom: var(--spacing-xs);
    color: var(--gray-700);
}

/* Validator */
.validator-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.validator-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.validator-info p {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-300);
}

.validator-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.validator-method {
    background-color: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.validator-method h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.validator-method p {
    margin: 0;
}

.validator-details {
    background-color: rgba(0, 188, 212, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.validator-details h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.validator-details ul {
    list-style: none;
    padding: 0;
}

.validator-details li {
    padding: var(--spacing-xs) 0;
    color: var(--gray-300);
}

.validator-form {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.validator-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.validator-tab {
    flex: 1;
    padding: var(--spacing-md);
    background-color: var(--gray-100);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.validator-tab.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.validator-tab-content {
    display: none;
}

.validator-tab-content.active {
    display: block;
}

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

.validation-form label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.validation-form input {
    padding: var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.validation-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-validate {
    padding: var(--spacing-md);
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1.125rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.validator-note {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-600);
    text-align: center;
}

/* Contact */
.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-family);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.btn-submit {
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1.125rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.contact-info-card {
    background-color: var(--gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
}

.contact-info-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

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

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--gray-600);
    margin: 0;
}

.contact-social {
    background-color: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.contact-social h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.social-link:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
    fill: var(--white);
}

/* Footer */
.footer {
    background-color: var(--secondary-dark);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-column h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.footer-column p {
    color: var(--gray-300);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.footer-compliance {
    font-size: 0.875rem;
    color: var(--gray-400);
}

.footer-links {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--gray-400);
}

.footer-bottom p {
    margin-bottom: var(--spacing-xs);
}

.footer-cnpj {
    font-size: 0.875rem;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    padding: var(--spacing-lg);
    z-index: 9999;
    display: none;
}

.cookie-banner.show {
    display: block;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.cookie-content p {
    flex: 1;
    color: var(--gray-700);
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.btn-cookie-settings {
    padding: 0.75rem 1.5rem;
    background-color: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-cookie-settings:hover {
    background-color: var(--gray-100);
}

.btn-cookie-accept {
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-cookie-accept:hover {
    background-color: var(--primary-dark);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content,
    .legal-content,
    .validator-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .nav {
        display: none;
    }
}

@media (max-width: 768px) {
    /* Header mobile */
    .header {
        padding: 0.75rem 0;
    }

    .header-content {
        flex-wrap: nowrap;
        justify-content: space-between;
        gap: 0.5rem;
    }

    .logo {
        flex-shrink: 0;
    }

    .logo-img {
        height: 30px;
    }

    .header-actions {
        flex-shrink: 0;
        flex-wrap: nowrap;
        gap: 0.4rem;
        margin-left: auto;
    }

    .btn-login {
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
        white-space: nowrap;
    }

    .btn-primary {
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
        white-space: nowrap;
    }

    /* Hero */
    .hero-visual {
        display: none;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .step {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .step-icon {
        width: 70px;
        height: 70px;
        margin-bottom: var(--spacing-md);
    }

    .step-title {
        font-size: 1.15rem;
    }

    .step-description {
        font-size: 0.9rem;
    }

    /* Metodologia mobile */
    .methodology-step {
        grid-template-columns: 1fr;
        text-align: center;
        padding: var(--spacing-lg);
    }

    .methodology-number {
        width: 70px;
        height: 70px;
        margin: 0 auto var(--spacing-md);
        font-size: 1.75rem;
    }

    .methodology-content h3 {
        font-size: 1.5rem;
    }

    .methodology-description {
        font-size: 1rem;
    }

    .methodology-details {
        text-align: left;
    }

    /* Validador mobile */
    .validator-form {
        padding: var(--spacing-md);
    }

    .validator-tabs {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .validator-tab {
        padding: var(--spacing-sm);
        font-size: 0.9rem;
    }

    .pricing-table {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-actions {
        width: 100%;
        flex-direction: column;
    }

    .btn-cookie-settings,
    .btn-cookie-accept {
        width: 100%;
    }
}

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

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

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

/* Mobile pequeno - Empilhar botões verticalmente */
@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }

    .header {
        padding: 0.5rem 0;
    }

    .header-content {
        padding: 0;
        gap: 0.5rem;
        flex-wrap: wrap;
    }

    .logo {
        flex: 1 1 auto;
    }

    .logo-img {
        height: 28px;
    }

    .header-actions {
        flex-direction: column;
        gap: 0.4rem;
        width: auto;
        align-items: stretch;
    }

    .btn-login {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
        border-width: 2px;
        text-align: center;
    }

    .btn-primary {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
        text-align: center;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.75rem;
    }
}



/* File Upload Styling */
.file-upload-wrapper {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.file-upload-wrapper input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    background-color: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: all var(--transition-base);
}

.file-upload-label:hover {
    border-color: var(--primary-color);
    background-color: rgba(0, 188, 212, 0.1);
}

.file-upload-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.file-upload-text {
    color: var(--white);
    font-size: 0.95rem;
    text-align: center;
}

.file-upload-wrapper input[type="file"]:focus + .file-upload-label {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}


/* Nav Link Active State (moved from script.js to fix CSP violation) */
.nav-link.active {
    color: var(--primary-color);
    position: relative;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}