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

:root {
    /* Cores principais */
    --primary-dark: #1a365d;
    --primary-blue: #2d3748;
    --secondary-blue: #3182ce;
    --accent-blue: #4299e1;
    --light-blue: #e6f3ff;
    --teal: #38b2ac;
    --teal-light: #4fd1c7;
    
    /* Cores neutras */
    --white: #ffffff;
    --gray-50: #f7fafc;
    --gray-100: #edf2f7;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e0;
    --gray-400: #a0aec0;
    --gray-500: #718096;
    --gray-600: #4a5568;
    --gray-700: #2d3748;
    --gray-800: #1a202c;
    --gray-900: #171923;
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Espaçamentos */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* 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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transições */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* Utilitários */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-blue));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-blue));
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--secondary-blue);
    border: 2px solid var(--secondary-blue);
}

.btn-outline:hover {
    background: var(--secondary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-large {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.navbar {
    padding: var(--spacing-4) 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.logo {
    height: 45px;
    object-fit: contain;
}

.brand-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-dark);
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-8);
    margin: 0;
}

.nav-link {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-600);
    transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 50%, var(--secondary-blue) 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.animated-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(66, 153, 225, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(79, 209, 199, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(56, 178, 172, 0.2) 0%, transparent 50%);
    animation: backgroundMove 20s ease-in-out infinite;
}

@keyframes backgroundMove {
    0%, 100% {
        background-position: 0% 50%, 100% 20%, 40% 80%;
    }
    25% {
        background-position: 20% 30%, 80% 40%, 60% 60%;
    }
    50% {
        background-position: 40% 70%, 60% 60%, 20% 40%;
    }
    75% {
        background-position: 60% 40%, 40% 80%, 80% 20%;
    }
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.floating-element {
    position: absolute;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 1;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
    width: 100%;
}

.hero-text {
    color: var(--white);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
}

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

.hero-subtitle {
    font-size: var(--font-size-xl);
    line-height: 1.6;
    margin-bottom: var(--spacing-8);
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-10);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--teal-light);
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
}

.dashboard-preview {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform var(--transition-slow);
}

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

.dashboard-img {
    width: 100%;
    height: auto;
    display: block;
}

.dashboard-overlay {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
}

.live-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    background: rgba(0, 0, 0, 0.8);
    color: var(--white);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.pulse {
    width: 8px;
    height: 8px;
    background: #ef4444;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    }
}

/* Seções Gerais */
section {
    padding: var(--spacing-24) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-tag {
    display: inline-block;
    background: var(--light-blue);
    color: var(--secondary-blue);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-4);
}

.section-subtitle {
    font-size: var(--font-size-xl);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Seção Introdução */
.intro-section {
    background: var(--gray-50);
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.intro-item {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-8);
}

.intro-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-blue));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-xl);
}

.intro-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-2);
}

.intro-info p {
    color: var(--gray-600);
    line-height: 1.6;
}

.intro-actions {
    margin-top: var(--spacing-8);
}

.visual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
}

.visual-item {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
}

.visual-item:hover {
    transform: translateY(-5px);
}

.visual-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

/* Seção Serviços */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--secondary-blue);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-6);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.service-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-4);
}

.service-description {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: var(--spacing-6);
}

.service-features {
    display: flex;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

.feature-tag {
    background: var(--light-blue);
    color: var(--secondary-blue);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* Tipos de Pesquisa */
/* Estilos atualizados para a seção Tipos de Pesquisa */

/* Seção com background azul escuro */
.research-types {
    background: linear-gradient(135deg, #0a1628 0%, #1a202c 50%, #2d3748 100%);
    position: relative;
    overflow: hidden;
}

/* Efeito de overlay sutil */
.research-types::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

/* Container com z-index para ficar acima do overlay */
.research-types .container {
    position: relative;
    z-index: 2;
}

/* Ajustes no header da seção para contrastar com o fundo escuro */
.research-types .section-tag {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
    backdrop-filter: blur(10px);
}

.research-types .section-title {
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.research-types .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

/* Grid de pesquisas */
.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
}

/* Cards normais com degradê azul */
.research-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(30, 64, 175, 0.2) 100%);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.2),
        0 1px 8px rgba(59, 130, 246, 0.1);
    transition: all var(--transition-normal);
    text-align: center;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

/* Efeito de brilho nos cards normais */
.research-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transition: left 0.6s ease;
}

.research-card:hover::before {
    left: 100%;
}

.research-card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 1px 8px rgba(59, 130, 246, 0.2);
    border-color: rgba(96, 165, 250, 0.5);
}

/* Card especial de IA com degradê cinza claro */
.highlight-card {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #cbd5e0 100%);
    color: var(--gray-800);
    border: 1px solid rgba(203, 213, 224, 0.5);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.15),
        0 1px 8px rgba(203, 213, 224, 0.3);
    position: relative;
    overflow: hidden;
}

/* Efeito de brilho no card especial */
.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(59, 130, 246, 0.1),
        transparent
    );
    transition: left 0.6s ease;
}

.highlight-card:hover::before {
    left: 100%;
}

.highlight-card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.2),
        0 1px 8px rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.3);
}

/* Ícones dos cards */
.research-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-6);
    color: var(--white);
    font-size: var(--font-size-2xl);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    transition: all var(--transition-normal);
}

/* Ícone do card especial */
.highlight-card .research-icon {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.4);
}

.research-card:hover .research-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.highlight-card:hover .research-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.5);
}

/* Títulos dos cards */
.research-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
    color: rgba(255, 255, 255, 0.95);
}

.highlight-card h3 {
    color: var(--gray-800);
}

/* Descrições dos cards */
.research-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: var(--spacing-6);
}

.highlight-card p {
    color: var(--gray-700);
}

/* Texto destacado no card especial */
.highlight-text {
    position: relative;
    z-index: 1;
}

/* Links dos cards */
.research-link {
    color: #60a5fa;
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    transition: all var(--transition-normal);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-md);
    background: rgba(96, 165, 250, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.2);
}

.research-link:hover {
    gap: var(--spacing-3);
    background: rgba(96, 165, 250, 0.2);
    border-color: rgba(96, 165, 250, 0.4);
    transform: translateX(5px);
}

.highlight-card .research-link {
    color: var(--primary-dark);
    background: rgba(30, 64, 175, 0.1);
    border-color: rgba(30, 64, 175, 0.2);
}

.highlight-card .research-link:hover {
    background: rgba(30, 64, 175, 0.2);
    border-color: rgba(30, 64, 175, 0.4);
}

/* Badge de IA */
.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    color: var(--white);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-top: var(--spacing-4);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
    transition: all var(--transition-normal);
}

.ai-badge:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(30, 64, 175, 0.4);
}

/* Efeitos de partículas decorativas */
.research-types::after {
    content: '';
    position: absolute;
    top: 10%;
    right: 5%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
    z-index: 1;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.5;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.8;
    }
}

/* Responsividade */
@media (max-width: 768px) {
    .research-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .research-card {
        padding: var(--spacing-6);
    }
    
    .research-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-xl);
    }
}

/* Animações de entrada */
.research-card {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.research-card:nth-child(1) { animation-delay: 0.1s; }
.research-card:nth-child(2) { animation-delay: 0.2s; }
.research-card:nth-child(3) { animation-delay: 0.3s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}



/* Diferenciais */
.differentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
}

.differential-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.differential-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-blue), var(--teal));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.differential-card:hover::before {
    transform: scaleX(1);
}

.differential-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--secondary-blue);
}

.differential-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-blue));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-6);
}

.differential-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-4);
}

.differential-card p {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: var(--spacing-6);
}

.differential-feature {
    margin-top: var(--spacing-4);
}

.feature-highlight {
    background: var(--light-blue);
    color: var(--secondary-blue);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* Blog */
.blog-section {
    background: var(--gray-50);
}

.blog-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

.blog-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

.blog-card.featured {
    grid-row: span 2;
}

.blog-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.blog-card.featured .blog-image {
    height: 300px;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-image img {
    transform: scale(1.05);
}

.blog-category {
    position: absolute;
    top: var(--spacing-4);
    left: var(--spacing-4);
    background: var(--secondary-blue);
    color: var(--white);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.blog-content {
    padding: var(--spacing-6);
}

.blog-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-3);
    line-height: 1.4;
}

.blog-card.featured .blog-title {
    font-size: var(--font-size-2xl);
}

.blog-excerpt {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: var(--spacing-4);
}

.blog-meta {
    display: flex;
    gap: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.blog-actions {
    text-align: center;
}

/* Contato */
.contact-section {
    background: var(--primary-dark);
    color: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    margin-bottom: var(--spacing-16);
}

.contact-section .section-tag {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

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

.contact-section .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.contact-details {
    margin-top: var(--spacing-8);
}

.contact-item {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.contact-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal-light);
    font-size: var(--font-size-lg);
}

.contact-text h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-1);
}

.contact-text p {
    color: rgba(255, 255, 255, 0.8);
}

.contact-form-container {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    backdrop-filter: blur(10px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.form-group label {
    font-weight: 500;
    color: var(--white);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-3);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-family: inherit;
    transition: all var(--transition-normal);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--teal-light);
    background: rgba(255, 255, 255, 0.2);
}

.newsletter-section {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    text-align: center;
    backdrop-filter: blur(10px);
}

.newsletter-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
}

.newsletter-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-6);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-4);
    max-width: 400px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-3);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-16);
    margin-bottom: var(--spacing-12);
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.footer-logo img {
    height: 50px;
}

.footer-logo span {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.footer-description {
    color: var(--gray-400);
    line-height: 1.6;
    margin-bottom: var(--spacing-6);
}

.social-links {
    display: flex;
    gap: var(--spacing-4);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--secondary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-8);
}

.footer-column h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
}

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

.footer-column li {
    margin-bottom: var(--spacing-2);
}

.footer-column a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-8);
    text-align: center;
    color: var(--gray-400);
}

.footer-bottom p {
    margin-bottom: var(--spacing-2);
}

/* Responsividade */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
        text-align: center;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-stats {
        justify-content: center;
        gap: var(--spacing-6);
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .research-grid {
        grid-template-columns: 1fr;
    }
    
    .differentials-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-3);
    }
    
    section {
        padding: var(--spacing-16) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-large {
        width: 100%;
        max-width: 300px;
    }
}

/* Animações de entrada */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    animation-duration: 0.8s;
    animation-fill-mode: forwards;
}

.animate-on-scroll.animate {
    animation-name: fadeInUp;
}

/* Efeitos de hover adicionais */
.service-card:hover .service-icon {
    transform: scale(1.1);
}

.differential-card:hover .differential-icon {
    transform: rotate(5deg) scale(1.1);
}

.research-card:hover .research-icon {
    transform: scale(1.1);
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-blue);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}