/* 
* Main Stylesheet for Orlane Pereira - SST Website
* Author: Manus AI
* Version: 1.0
*/

/* ===== VARIABLES ===== */
:root {
    /* Colors */
    --primary: #1D9B78;
    --primary-dark: #167d61;
    --primary-light: #2cb08c;
    --secondary: #1A3E5E;
    --secondary-dark: #14324b;
    --secondary-light: #245580;
    --accent: #E6B54A;
    --accent-light: #f0c66e;
    --turquoise: #4ECDC4;
    --dark: #333333;
    --gray: #777777;
    --light-gray: #F5F5F5;
    --white: #FFFFFF;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --font-accent: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-round: 50%;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container */
    --container-width: 1200px;
    --container-padding: 2rem;
}

/* ===== RESET & BASE STYLES ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Account for fixed header */
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.8rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

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

ul, ol {
    list-style-position: inside;
    margin-bottom: var(--spacing-sm);
}

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

button {
    cursor: pointer;
    font-family: var(--font-body);
}

/* ===== UTILITY CLASSES ===== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary);
    transition: width var(--transition-normal);
}

.section-header:hover .section-title::after {
    width: 120px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    font-family: var(--font-accent);
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
}

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

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

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

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

.pulse-animation {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(29, 155, 120, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(29, 155, 120, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(29, 155, 120, 0);
    }
}

/* ===== PRELOADER ===== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity var(--transition-normal);
}

.preloader-icon {
    width: 50px;
    height: 50px;
    border: 3px solid var(--light-gray);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.preloader.fade-out {
    opacity: 0;
    pointer-events: none;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

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

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    transition: transform var(--transition-normal);
}

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

.main-nav {
    display: flex;
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
}

.nav-link {
    display: block;
    padding: 0 15px;
    color: var(--dark);
    font-weight: 500;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width var(--transition-normal);
}

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

.nav-link:hover::after, .nav-link.active::after {
    width: 70%;
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 200px;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    z-index: 100;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 8px 20px;
    color: var(--dark);
    transition: all var(--transition-fast);
}

.dropdown-menu a:hover {
    background-color: var(--light-gray);
    color: var(--primary);
    padding-left: 25px;
}

.header-cta {
    margin-left: var(--spacing-sm);
}

.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
}

.mobile-nav-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: var(--dark);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--secondary-light) 0%, var(--secondary) 100%);
    color: var(--white);
}

.hero .container {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    flex: 1;
    padding-right: var(--spacing-lg);
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s forwards 0.3s;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s forwards 0.6s;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s forwards 0.9s;
}

.hero-image {
    flex: 1;
    position: relative;
    opacity: 0;
    transform: translateX(20px);
    animation: fadeInRight 1s forwards 0.6s;
}

.hero-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 1;
}

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

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

/* ===== SOBRE SECTION ===== */
.sobre {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

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

.sobre-image {
    flex: 1;
    position: relative;
}

.image-container {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

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

.image-container img {
    width: 100%;
    transition: transform var(--transition-normal);
}

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

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--primary);
    color: var(--white);
    padding: 15px;
    border-radius: var(--radius-round);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    box-shadow: var(--shadow-md);
    animation: float 3s ease-in-out infinite;
}

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

.experience-badge .years {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.8rem;
    text-align: center;
}

.sobre-text {
    flex: 1;
}

.sobre-text h3 {
    color: var(--secondary);
    margin-bottom: var(--spacing-sm);
}

.credentials {
    margin: var(--spacing-md) 0;
}

.credential-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    padding: 15px;
    border-radius: var(--radius-md);
    background-color: var(--light-gray);
    transition: all var(--transition-normal);
}

.credential-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-sm);
    background-color: rgba(29, 155, 120, 0.1);
}

.credential-icon {
    margin-right: var(--spacing-sm);
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.credential-info h4 {
    margin-bottom: 0;
    font-size: 1.1rem;
}

.credential-info p {
    margin-bottom: 0;
    color: var(--gray);
}

.areas-atuacao {
    margin-top: var(--spacing-md);
}

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

.area-item {
    padding: 20px;
    text-align: center;
    border-radius: var(--radius-md);
    background-color: var(--light-gray);
    transition: all var(--transition-normal);
}

.area-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
    background-color: var(--white);
}

.area-icon {
    margin: 0 auto var(--spacing-sm);
    width: 60px;
    height: 60px;
    background-color: rgba(29, 155, 120, 0.1);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: all var(--transition-normal);
}

.area-item:hover .area-icon {
    background-color: var(--primary);
    color: var(--white);
    transform: rotateY(180deg);
}

.area-item h4 {
    margin-bottom: 0;
    font-size: 1rem;
}

/* ===== SERVIÇOS SECTION ===== */
.servicos {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
    position: relative;
}

.bg-dots {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(var(--primary) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.1;
    z-index: 1;
}

.servicos .container {
    position: relative;
    z-index: 2;
}

.services-tabs {
    margin-top: var(--spacing-lg);
}

.tabs-nav {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid rgba(29, 155, 120, 0.2);
}

.tab-btn {
    padding: 12px 24px;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--gray);
    position: relative;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width var(--transition-normal);
}

.tab-btn:hover, .tab-btn.active {
    color: var(--primary);
}

.tab-btn.active::after {
    width: 100%;
}

.tabs-content {
    position: relative;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s forwards;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.service-card {
    display: flex;
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

.service-icon {
    padding: var(--spacing-md);
    background-color: rgba(29, 155, 120, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
    background-color: rgba(29, 155, 120, 0.2);
}

.service-icon img {
    width: 120px;
    height: auto;
    transition: transform var(--transition-normal);
}

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

.service-info {
    padding: var(--spacing-md);
    flex: 1;
}

.service-info h3 {
    color: var(--secondary);
    margin-bottom: var(--spacing-sm);
}

.service-steps {
    margin: var(--spacing-md) 0;
}

.step {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-right: var(--spacing-sm);
    flex-shrink: 0;
}

.step-info h4 {
    margin-bottom: 0;
    font-size: 1.1rem;
}

.step-info p {
    margin-bottom: 0;
    color: var(--gray);
}

.service-benefits {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-sm);
    background-color: rgba(29, 155, 120, 0.05);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary);
}

.service-benefits h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--primary);
}

.service-benefits ul {
    list-style-type: none;
    margin-bottom: 0;
}

.service-benefits li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 5px;
}

.service-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.service-audience {
    margin: var(--spacing-md) 0;
}

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

.audience-item {
    text-align: center;
    padding: var(--spacing-sm);
    background-color: var(--light-gray);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.audience-item:hover {
    background-color: rgba(29, 155, 120, 0.1);
    transform: translateY(-5px);
}

.audience-icon {
    margin: 0 auto var(--spacing-xs);
    width: 50px;
    height: 50px;
    background-color: var(--white);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.audience-item p {
    margin-bottom: 0;
    font-weight: 500;
}

.training-features {
    margin: var(--spacing-md) 0;
}

.feature {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--light-gray);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.feature:hover {
    background-color: rgba(29, 155, 120, 0.1);
    transform: translateX(10px);
}

.feature-icon {
    margin-right: var(--spacing-sm);
    width: 50px;
    height: 50px;
    background-color: var(--white);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.feature-info h4 {
    margin-bottom: 0;
    font-size: 1.1rem;
}

.feature-info p {
    margin-bottom: 0;
    color: var(--gray);
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.topic-item {
    padding: var(--spacing-md);
    background-color: var(--light-gray);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.topic-item:hover {
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-10px);
}

.topic-icon {
    margin-bottom: var(--spacing-sm);
    width: 60px;
    height: 60px;
    background-color: rgba(29, 155, 120, 0.1);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: all var(--transition-normal);
}

.topic-item:hover .topic-icon {
    background-color: var(--primary);
    color: var(--white);
}

.topic-item h4 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.topic-item p {
    margin-bottom: 0;
    color: var(--gray);
}

/* ===== PRODUTOS SECTION ===== */
.produtos {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.produtos-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.filter-btn {
    padding: 8px 16px;
    margin: 5px;
    background: none;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--gray);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.produtos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.produto-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--light-gray);
}

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

.produto-icon {
    margin: 0 auto var(--spacing-sm);
    width: 80px;
    height: 80px;
}

.produto-icon img {
    width: 100%;
    height: auto;
    transition: transform var(--transition-normal);
}

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

.produto-card h3 {
    color: var(--secondary);
    margin-bottom: var(--spacing-xs);
    font-size: 1.3rem;
}

.produto-card p {
    color: var(--gray);
    margin-bottom: var(--spacing-md);
    min-height: 80px;
}

/* ===== LIVRO SECTION ===== */
.livro {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
    position: relative;
    overflow: hidden;
}

.bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(45deg, var(--primary) 25%, transparent 25%, transparent 75%, var(--primary) 75%, var(--primary)), 
                      linear-gradient(45deg, var(--primary) 25%, transparent 25%, transparent 75%, var(--primary) 75%, var(--primary));
    background-size: 60px 60px;
    background-position: 0 0, 30px 30px;
    opacity: 0.03;
    z-index: 1;
}

.livro .container {
    position: relative;
    z-index: 2;
}

.livro-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.livro-image {
    flex: 1;
    padding: var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
}

.book-3d {
    position: relative;
    perspective: 1000px;
    width: 300px;
    height: 400px;
}

.book-3d img {
    width: 100%;
    height: auto;
    transform: rotateY(-30deg);
    transition: transform var(--transition-normal);
    box-shadow: 5px 5px 20px rgba(0, 0, 0, 0.2);
}

.book-3d:hover img {
    transform: rotateY(0deg);
}

.livro-info {
    flex: 1;
    padding: var(--spacing-lg);
}

.livro-info h2 {
    color: var(--secondary);
    margin-bottom: var(--spacing-sm);
}

.livro-highlights {
    margin: var(--spacing-md) 0;
}

.highlight-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.highlight-icon {
    margin-right: var(--spacing-sm);
    width: 50px;
    height: 50px;
    background-color: rgba(29, 155, 120, 0.1);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.highlight-text h4 {
    margin-bottom: 0;
    font-size: 1.1rem;
}

.highlight-text p {
    margin-bottom: 0;
    color: var(--gray);
}

/* ===== DEPOIMENTOS SECTION ===== */
.depoimentos {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.testimonials-slider {
    position: relative;
    margin-top: var(--spacing-lg);
}

.testimonial-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.prev-testimonial, .next-testimonial {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-round);
    background-color: var(--light-gray);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.prev-testimonial:hover, .next-testimonial:hover {
    background-color: var(--primary);
    color: var(--white);
}

.testimonials-wrapper {
    position: relative;
    height: 300px;
}

.testimonial-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateX(50px);
    transition: all var(--transition-normal);
}

.testimonial-item.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.testimonial-content {
    background-color: var(--light-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    position: relative;
}

.testimonial-content::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 5rem;
    color: rgba(29, 155, 120, 0.1);
    font-family: serif;
    line-height: 1;
}

.testimonial-quote {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

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

.author-image {
    margin-right: var(--spacing-sm);
}

.author-placeholder {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-round);
    background-color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
}

.author-info h4 {
    margin-bottom: 0;
    font-size: 1.1rem;
}

.author-info p {
    margin-bottom: 0;
    color: var(--gray);
}

/* ===== CONTATO SECTION ===== */
.contato {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

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

.contato-info {
    flex: 1;
}

.contato-info h3 {
    color: var(--secondary);
    margin-bottom: var(--spacing-md);
}

.contact-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.contact-list li {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.contact-icon {
    margin-right: var(--spacing-sm);
    width: 40px;
    height: 40px;
    background-color: rgba(29, 155, 120, 0.1);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-text span {
    display: block;
    font-weight: 500;
    color: var(--dark);
}

.contact-text a {
    color: var(--primary);
    transition: color var(--transition-fast);
}

.contact-text a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.trabalhar-juntos {
    padding: var(--spacing-md);
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-top: var(--spacing-lg);
}

.trabalhar-juntos h3 {
    color: var(--secondary);
    margin-bottom: var(--spacing-sm);
}

.trabalhar-juntos p {
    margin-bottom: var(--spacing-sm);
}

.contato-form {
    flex: 1;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(29, 155, 120, 0.2);
}

.form-group textarea {
    resize: vertical;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--secondary);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    position: relative;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    height: 60px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-5px);
}

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

.copyright {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.back-to-top {
    position: absolute;
    bottom: 20px;
    right: 20px;
}

.back-to-top a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: var(--radius-round);
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.back-to-top a:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 1200px) {
    html {
        font-size: 15px;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        padding: 140px 0 80px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 992px) {
    html {
        font-size: 14px;
    }
    
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    .header-cta {
        display: none;
    }
    
    .hero .container {
        flex-direction: column;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: var(--spacing-lg);
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .sobre-content {
        flex-direction: column;
    }
    
    .sobre-image {
        margin-bottom: var(--spacing-lg);
    }
    
    .areas-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-card {
        flex-direction: column;
    }
    
    .service-icon {
        padding: var(--spacing-md) var(--spacing-md) 0;
        background-color: transparent;
    }
    
    .topics-grid {
        grid-template-columns: 1fr;
    }
    
    .livro-content {
        flex-direction: column;
    }
    
    .livro-image {
        margin-bottom: var(--spacing-md);
    }
    
    .contato-content {
        flex-direction: column;
    }
    
    .contato-info {
        margin-bottom: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-md) 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        z-index: 999;
    }
    
    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
    }
    
    .nav-list li {
        margin: var(--spacing-xs) 0;
    }
    
    .dropdown-menu {
        position: static;
        width: 100%;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0;
        margin-top: var(--spacing-xs);
        display: none;
    }
    
    .dropdown.active .dropdown-menu {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .areas-grid {
        grid-template-columns: 1fr;
    }
    
    .produtos-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    html {
        font-size: 13px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .tabs-nav {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        padding: 8px 16px;
        font-size: 1rem;
    }
    
    .produtos-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        margin: 3px 0;
    }
    
    .testimonial-content {
        padding: var(--spacing-md);
    }
    
    .testimonial-quote {
        font-size: 1rem;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-50px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(50px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 1s forwards;
}

.slide-up {
    animation: slideInUp 1s forwards;
}

.slide-left {
    animation: slideInLeft 1s forwards;
}

.slide-right {
    animation: slideInRight 1s forwards;
}

/* ===== ICON FONTS ===== */
/* These would normally be loaded from an icon font like Font Awesome */
/* For this example, we'll use placeholders that will be replaced with actual icons */

.icon-certificate::before,
.icon-briefcase::before,
.icon-book::before,
.icon-building::before,
.icon-mining::before,
.icon-energy::before,
.icon-professional::before,
.icon-leader::before,
.icon-specialist::before,
.icon-practical::before,
.icon-update::before,
.icon-hierarchy::before,
.icon-psychosocial::before,
.icon-human::before,
.icon-psychological::before,
.icon-methodology::before,
.icon-results::before,
.icon-tools::before,
.icon-email::before,
.icon-globe::before,
.icon-whatsapp::before,
.icon-linkedin::before,
.icon-instagram::before,
.icon-arrow-left::before,
.icon-arrow-right::before,
.icon-arrow-up::before {
    content: '';
    display: inline-block;
    width: 1em;
    height: 1em;
    background-color: currentColor;
    mask-size: cover;
    -webkit-mask-size: cover;
}

/* Placeholder for icon masks - in a real project, these would be SVG paths */
.icon-certificate::before { mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 15a3 3 0 100-6 3 3 0 000 6z"/><path d="M12 1a11 11 0 100 22 11 11 0 000-22zm0 20a9 9 0 110-18 9 9 0 010 18z"/></svg>'); }
.icon-briefcase::before { mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 6h-4V4c0-1.1-.9-2-2-2h-4c-1.1 0-2 .9-2 2v2H4c-1.1 0-2 .9-2 2v11c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2zm-6 0h-4V4h4v2z"/></svg>'); }
.icon-book::before { mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M21 4H3c-1.1 0-2 .9-2 2v13c0 1.1.9 2 2 2h18c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zM3 19V6h8v13H3zm18 0h-8V6h8v13zm-7-9.5h6V11h-6V9.5zm0 2.5h6v1.5h-6V12zm0 2.5h6V16h-6v-1.5z"/></svg>'); }

/* Add more icon placeholders as needed */