/* 
 * styles.css - Folha de estilos principal para o site da Genesys Engenharia e Sistemas
 * Autor: Blackbox AI
 * Data: Agosto/2025
 */

/* ======================================
 * Reset e Estilos Globais
 * ====================================== */
:root {
    /* Esquema de cores principal */
    --primary-color: #2563eb;           /* Azul escuro */
    --primary-color-dark: #1d4ed8;      /* Azul mais escuro para hover */
    --secondary-color: #10b981;         /* Verde turquesa */
    --secondary-color-dark: #059669;    /* Verde mais escuro para hover */
    --light-color: #f3f4f6;             /* Cinza muito claro para fundos */
    --dark-color: #1e293b;              /* Azul escuro quase preto */
    --text-color: #374151;              /* Cinza escuro para texto */
    --text-light: #6b7280;              /* Cinza médio para textos secundários */
    --border-color: #e5e7eb;            /* Cinza claro para bordas */
    --white: #ffffff;
    --black: #111827;
    
    /* Espaçamentos padrão */
    --spacing-xs: 0.25rem;  /* 4px */
    --spacing-sm: 0.5rem;   /* 8px */
    --spacing-md: 1rem;     /* 16px */
    --spacing-lg: 1.5rem;   /* 24px */
    --spacing-xl: 2rem;     /* 32px */
    --spacing-xxl: 3rem;    /* 48px */
    
    /* Arredondamento de bordas */
    --border-radius-sm: 0.25rem;  /* 4px */
    --border-radius-md: 0.5rem;   /* 8px */
    --border-radius-lg: 1rem;     /* 16px */
    
    /* 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);
    
    /* Transições */
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color var(--transition-speed);
}

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

ul {
    list-style: none;
}

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

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

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

/* Títulos de seção padronizados */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    margin: var(--spacing-sm) auto var(--spacing-lg);
    border-radius: 2px;
}

.section-description {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    color: var(--text-light);
    font-size: 1.1rem;
}

/* ======================================
 * Botões
 * ====================================== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
    text-align: center;
    border: none;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

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

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

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

.btn-secondary:hover {
    background-color: var(--secondary-color-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

/* ======================================
 * Cabeçalho / Navegação
 * ====================================== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: var(--spacing-md) 0;
    transition: all var(--transition-speed);
}

#header.scrolled {
    padding: var(--spacing-sm) 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    flex-direction: column;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.logo p {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

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

#nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

nav a {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding: var(--spacing-sm) 0;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-speed);
}

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

#mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

#mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    margin: 5px 0;
    border-radius: 3px;
    transition: all var(--transition-speed);
}

/* ======================================
 * Seção Hero / Banner
 * ====================================== */
.hero {
    height: 100vh;
    min-height: 600px;
    background: url('../img/hero-bg.jpg') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    color: var(--white);
    text-align: center;
    margin-top: 0;
    padding: 0;
}

.hero .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(30, 41, 59, 0.9), rgba(30, 41, 59, 0.7));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.hero-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

/* ======================================
 * Seção de Serviços
 * ====================================== */
.services {
    background-color: var(--light-color);
}

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

.service-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.service-icon i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--dark-color);
}

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

.service-card ul {
    list-style: disc;
    padding-left: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.service-card ul li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

/* ======================================
 * Seção Sobre Nós
 * ====================================== */
.about {
    background-color: var(--white);
}

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

.about-text {
    padding-right: var(--spacing-xl);
}

.about-text h2 {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.about-text h2::after {
    margin-left: 0;
    margin-right: auto;
}

.about-text p {
    margin-bottom: var(--spacing-md);
    font-size: 1.05rem;
}

.about-text h3 {
    font-size: 1.3rem;
    margin: var(--spacing-lg) 0 var(--spacing-md);
    color: var(--dark-color);
}

.values-list {
    list-style: none;
}

.values-list li {
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: baseline;
}

.values-list li::before {
    content: '•';
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-right: var(--spacing-sm);
}

.about-image {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

/* ======================================
 * Seção de Projetos
 * ====================================== */
.projects {
    background-color: var(--light-color);
}

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

.project-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

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

.project-image {
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-details {
    padding: var(--spacing-lg);
}

.project-details h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-color);
}

.project-category {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.project-details p {
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

.more-projects {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ======================================
 * Seção de Depoimentos
 * ====================================== */
.testimonials {
    background-color: var(--white);
    padding: var(--spacing-xxl) 0;
}

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial-card {
    background-color: var(--light-color);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    margin: var(--spacing-md);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding: 0 var(--spacing-md);
}

.testimonial-text::before,
.testimonial-text::after {
    content: '"';
    font-size: 4rem;
    color: rgba(37, 99, 235, 0.2);
    position: absolute;
    line-height: 1;
}

.testimonial-text::before {
    top: -20px;
    left: -10px;
}

.testimonial-text::after {
    bottom: -50px;
    right: -10px;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: var(--spacing-md);
    object-fit: cover;
}

.author-info h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-color);
}

.author-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.testimonial-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: var(--spacing-lg);
}

.testimonial-controls button {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: background-color var(--transition-speed);
    margin: 0 var(--spacing-md);
}

.testimonial-controls button:hover {
    background-color: var(--primary-color-dark);
}

.testimonial-dots {
    display: flex;
    gap: var(--spacing-sm);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border-color);
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

.dot.active {
    background-color: var(--primary-color);
}

/* ======================================
 * Seção de Contato
 * ====================================== */
.contact {
    background-color: var(--light-color);
}

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

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

.info-item {
    display: flex;
    align-items: flex-start;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: var(--spacing-md);
    min-width: 30px;
    text-align: center;
}

.info-item h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-color);
}

.social-media h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--dark-color);
}

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

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

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

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

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: var(--light-color);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

/* ======================================
 * Mapa
 * ====================================== */
.map-container {
    width: 100%;
    height: 450px;
    margin-top: var(--spacing-xl);
}

.map-container iframe {
    border: none;
    width: 100%;
    height: 100%;
}

/* ======================================
 * Footer
 * ====================================== */
.footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo h2 {
    font-size: 1.8rem;
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
}

.footer h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--white);
    position: relative;
}

.footer h3::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background-color: var(--primary-color);
    margin-top: var(--spacing-sm);
}

.footer-links ul,
.footer-services ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-speed);
}

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

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

.footer-newsletter form {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-newsletter input {
    flex: 1;
    padding: var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-sm);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.footer-newsletter input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.footer-newsletter input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.2);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

/* ======================================
 * Botão voltar ao topo
 * ====================================== */
#back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed);
    z-index: 99;
    box-shadow: var(--shadow-md);
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    background-color: var(--primary-color-dark);
    transform: translateY(-3px);
}

/* ======================================
 * Media Queries
 * ====================================== */
@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-text {
        padding-right: 0;
    }
    
    .about-image {
        order: -1;
        margin-bottom: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-content h2 {
        font-size: 2.2rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    #mobile-menu-btn {
        display: block;
    }
    
    #nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        height: calc(100vh - 70px);
        padding: var(--spacing-xl);
        transition: right var(--transition-speed);
        box-shadow: var(--shadow-md);
        z-index: 999;
    }
    
    #nav-menu.active {
        right: 0;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card {
        padding: var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .footer-newsletter form {
        flex-direction: column;
    }
}

/* ======================================
 * Animações
 * ====================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animated {
    animation: fadeIn 0.8s ease forwards;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* ======================================
 * Acessibilidade
 * ====================================== */
:focus {
    outline: 3px solid rgba(37, 99, 235, 0.5);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}