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

:root {
    /* Paleta de cores acinzentadas */
    --color-primary: #2c3e50;
    --color-secondary: #34495e;
    --color-accent: #27ae60;
    --color-light: #ecf0f1;
    --color-dark: #1a252f;
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #6c757d;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    
    /* Tipografia */
    --font-family: Tahoma, Verdana, Arial, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-family);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-gray-100);
    text-align: justify;
    overflow-x: hidden;
}

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

/* Navegação */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.5px;
    white-space: nowrap;
}

.logo-text {
    color: var(--color-gray-800);
}

.logo-accent {
    color: var(--color-accent);
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--color-gray-700);
    font-weight: var(--font-weight-regular);
    transition: var(--transition-fast);
    position: relative;
}

.nav-menu a:hover {
    color: var(--color-gray-900);
    font-weight: var(--font-weight-bold);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gray-600);
    transition: var(--transition-normal);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.hamburger:hover {
    background-color: var(--color-gray-200);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--color-gray-700);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e9ecef" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

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

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

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.title-line {
    display: block;
    opacity: 0;
    animation: slideInLeft 0.8s ease-out forwards;
}

.title-line:nth-child(1) { animation-delay: 0.2s; }
.title-line:nth-child(2) { animation-delay: 0.4s; }
.title-line:nth-child(3) { animation-delay: 0.6s; }

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
    text-align: justify;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    animation: fadeInUp 1s ease-out 1s both;
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    text-decoration: none;
    border-radius: 8px;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--color-accent);
    color: white;
    box-shadow: 0 4px 15px rgba(39, 174, 96, 0.3);
}

.btn-primary:hover {
    background: #229954;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(39, 174, 96, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-gray-700);
    border: 2px solid var(--color-gray-300);
}

.btn-secondary:hover {
    background: var(--color-gray-200);
    border-color: var(--color-gray-400);
    transform: translateY(-2px);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out 0.5s both;
}

.code-animation {
    width: 300px;
    height: 200px;
    background: var(--color-gray-900);
    border-radius: 12px;
    padding: var(--spacing-md);
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.code-line {
    height: 12px;
    background: var(--color-gray-600);
    margin-bottom: var(--spacing-sm);
    border-radius: 6px;
    animation: codeTyping 2s ease-in-out infinite;
}

.code-line:nth-child(1) { width: 80%; animation-delay: 0s; }
.code-line:nth-child(2) { width: 60%; animation-delay: 0.5s; }
.code-line:nth-child(3) { width: 90%; animation-delay: 1s; }
.code-line:nth-child(4) { width: 40%; animation-delay: 1.5s; }

/* Seções */
section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

section:nth-child(even) {
    background: var(--color-gray-100);
}

section:nth-child(odd) {
    background: white;
}

/* Separador entre seções */
section:not(:last-child)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
    opacity: 0.3;
}

.section-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-900);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 2px;
}

/* Serviços */
.services {
    background: white;
    padding: var(--spacing-2xl) 0;
}

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

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

.service-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    border: 1px solid var(--color-gray-200);
    text-align: left;
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), #229954);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.service-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--color-accent);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    display: block;
    text-align: center;
}

.service-card h3 {
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
    text-align: center;
    line-height: 1.2;
}

.service-card p {
    color: var(--color-gray-600);
    text-align: justify;
    line-height: 1.8;
    font-size: 1rem;
    flex-grow: 1;
    margin: 0;
}

/* Sobre */
.about {
    background: var(--color-gray-100);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-top: var(--spacing-md);
}

.about-text p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    text-align: justify;
    line-height: 1.8;
}

.stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.stat {
    text-align: center;
    flex: 1;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-gray-600);
    font-weight: var(--font-weight-medium);
}

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

.tech-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: 8px;
    text-align: center;
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-200);
    transition: var(--transition-normal);
    animation: fadeInUp 0.6s ease-out;
    position: relative;
    overflow: hidden;
}

.tech-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(39, 174, 96, 0.1), transparent);
    transition: var(--transition-normal);
}

.tech-item:hover::before {
    left: 100%;
}

.tech-item:hover {
    background: var(--color-accent);
    color: white;
    transform: scale(1.05);
}

/* Compliance */
.compliance {
    background: white;
}

.compliance-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-top: var(--spacing-md);
}

.compliance-text p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    text-align: justify;
    line-height: 1.8;
}

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

.compliance-badge {
    background: white;
    padding: var(--spacing-md);
    border-radius: 8px;
    text-align: center;
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-200);
    transition: var(--transition-normal);
    animation: fadeInUp 0.6s ease-out;
    position: relative;
    overflow: hidden;
}

.compliance-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: var(--transition-normal);
    z-index: -1;
}

.compliance-badge:hover::before {
    left: 100%;
}

.compliance-badge:hover {
    background: var(--color-accent);
    color: white;
    transform: scale(1.05);
}

/* Contato */
.contact {
    background: var(--color-gray-100);
}

.contact-content {
    display: flex;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
    margin-top: var(--spacing-md);
}

.contact-info h3 {
    font-size: 1.8rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.contact-info p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
    text-align: justify;
    line-height: 1.7;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-700);
    font-weight: var(--font-weight-medium);
}

.contact-icon {
    font-size: 1.2rem;
}

.contact-form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray-200);
    border-radius: 8px;
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition-normal);
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
}

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

/* Footer */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-lg);
}

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

.footer-logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    white-space: nowrap;
}

.footer-logo .logo-text {
    color: var(--color-gray-300);
}

.footer-logo .logo-accent {
    color: var(--color-accent);
}

.footer-text {
    text-align: justify;
    line-height: 1.6;
    color: var(--color-gray-400);
}

.footer-links {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-800);
    color: var(--color-gray-500);
}

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

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

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

@keyframes codeTyping {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
}

/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(15px);
        width: 100%;
        text-align: center;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        padding: var(--spacing-xl) 0;
        z-index: 999;
        border-top: 1px solid var(--color-gray-200);
    }

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

    .nav-menu li {
        margin: var(--spacing-md) 0;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.3s ease;
    }

    .nav-menu.active li {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-menu li:nth-child(1) { transition-delay: 0.1s; }
    .nav-menu li:nth-child(2) { transition-delay: 0.2s; }
    .nav-menu li:nth-child(3) { transition-delay: 0.3s; }
    .nav-menu li:nth-child(4) { transition-delay: 0.4s; }
    .nav-menu li:nth-child(5) { transition-delay: 0.5s; }

    .nav-menu a {
        display: block;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1.1rem;
        font-weight: var(--font-weight-semibold);
        border-radius: 8px;
        margin: 0 var(--spacing-md);
        transition: all 0.3s ease;
    }

    .nav-menu a:hover {
        background-color: var(--color-accent);
        color: white;
        transform: translateX(5px);
    }

    .nav-menu a::after {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    /* Prevenir scroll quando menu está aberto */
    body.menu-open {
        overflow: hidden;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .compliance-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .tech-stack {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .compliance-badges {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* Ajustar espaçamentos para mobile */
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .services {
        padding: var(--spacing-2xl) 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        margin-top: var(--spacing-lg);
    }
    
    .service-card {
        padding: var(--spacing-lg);
    }
    
    .service-card h3 {
        font-size: 1.6rem;
    }
    
    .service-icon {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
    }
    
    .tech-stack {
        grid-template-columns: 1fr;
    }
    
    .compliance-badges {
        grid-template-columns: 1fr;
    }
    
    /* Reduzir ainda mais espaçamentos para telas pequenas */
    section {
        padding: var(--spacing-md) 0;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: var(--spacing-md);
    }
    
    .services {
        padding: var(--spacing-xl) 0;
    }
    
    .services-grid {
        gap: var(--spacing-md);
        margin-top: var(--spacing-md);
    }
    
    .service-card {
        padding: var(--spacing-md);
    }
    
    .service-card h3 {
        font-size: 1.4rem;
    }
    
    .service-icon {
        font-size: 2.5rem;
    }
}