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

:root {
    /* Paleta de cores baseada na logo URVEN */
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --dark-gray: #1f2937;
    --light-gray: #f8fafc;
    --medium-gray: #64748b;
    --white: #ffffff;
    --text-dark: #0f172a;
    --text-light: #64748b;
    
    /* 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;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* 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);
    
    /* Transições */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

html {
    scroll-behavior: smooth;
}

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

/* Utilitários */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

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

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

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

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

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

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* 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(30, 58, 138, 0.1);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.nav {
    padding: var(--spacing-sm) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo {
    height: 55px;
    width: auto;
    max-width: 200px;
    transition: transform var(--transition-fast);
    object-fit: contain;
}

.nav-logo .logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

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

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--light-gray) 0%, rgba(6, 182, 212, 0.05) 100%);
    padding-top: 80px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 400px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.carousel-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

.carousel-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    transform: translateY(-50%);
    pointer-events: none;
}

.carousel-btn {
    background: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-blue);
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: all;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: scale(1.1);
}

.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: var(--primary-blue);
    transform: scale(1.2);
}

/* About Section */
.about {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

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

.about-text p {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.value-item {
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: 12px;
    background: var(--light-gray);
    transition: transform var(--transition-normal);
}

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

.value-item i {
    font-size: var(--font-size-3xl);
    color: var(--accent-cyan);
    margin-bottom: var(--spacing-sm);
}

.value-item h3 {
    font-size: var(--font-size-xl);
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.value-item p {
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

/* Services Section */
.services {
    padding: var(--spacing-2xl) 0;
    background: var(--light-gray);
}

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

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    text-align: center;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.service-icon i {
    font-size: var(--font-size-2xl);
    color: var(--white);
}

.service-card h3 {
    font-size: var(--font-size-xl);
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.service-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.service-link:hover {
    color: var(--accent-cyan);
}

/* Technologies Section */
.technologies {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-light);
}

.technologies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.tech-item {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-light);
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.tech-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    transition: transform var(--transition-normal);
}

.tech-item:hover .tech-icon {
    transform: scale(1.1);
}

.tech-icon i {
    font-size: 2rem;
    color: var(--white);
}

.tech-item h3 {
    font-size: var(--font-size-xl);
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.tech-item p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: var(--font-size-base);
}

/* Contact Section */
.contact {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info h2 {
    font-size: var(--font-size-3xl);
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.contact-details {
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    text-decoration: none;
}

.contact-item i {
    color: var(--accent-cyan);
    font-size: var(--font-size-lg);
    width: 20px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    text-decoration: none;
    transition: all var(--transition-normal);
}

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

.contact-form {
    background: var(--light-gray);
    padding: var(--spacing-xl);
    border-radius: 12px;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid transparent;
    border-radius: 8px;
    background: var(--white);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-section h3 {
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: var(--medium-gray);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--accent-cyan);
}

.footer-logo {
    height: 40px;
    margin-bottom: var(--spacing-sm);
}

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

/* WhatsApp Button */
.whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.whatsapp-button a {
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-2xl);
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    animation: pulse 2s infinite;
}

.whatsapp-button a:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: var(--spacing-lg) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .tech-illustration {
        width: 300px;
        height: 300px;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        justify-content: center;
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .technologies-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .values {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .tech-illustration {
        width: 250px;
        height: 250px;
    }

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

    .tech-item {
        padding: var(--spacing-md);
    }

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

    .value-item {
        padding: var(--spacing-md);
    }
}

/* Scroll suave para elementos animados */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Estados de foco para acessibilidade */
.btn:focus,
.nav-link:focus,
.social-link:focus,
.form-group input:focus,
.form-group textarea:focus {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 2px;
}

/* Melhorias de performance */
.hero-image,
.tech-illustration {
    will-change: transform;
}

/* Otimizações para impressão */
@media print {
    .header,
    .whatsapp-button,
    .hero-buttons,
    .contact-form {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
}

/* Otimizações de performance adicionais */
.hero-illustration,
.service-card,
.tech-item {
    will-change: transform;
}

/* Preload de fontes críticas */
@font-face {
    font-family: 'Inter';
    font-display: swap;
}

/* Otimização para animações */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Melhorias de acessibilidade */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000080;
        --secondary-color: #000040;
        --text-color: #000000;
        --bg-color: #ffffff;
    }
}