/* 
 * Farma Brasil Gestão Contábil
 * Estilos principais do site institucional
 */

/* ===== VARIÁVEIS ===== */
:root {
    /* Cores principais */
    --blue-dark: #050766;
    --blue-secondary: #252cb7;
    --yellow-primary: #dd9e00;
    --yellow-secondary: #f6bc43;
    
    /* Cores complementares */
    --white: #FFFFFF;
    --gray-light: #f5f5f7;
    --gray-medium: #e0e0e5;
    --gray-dark: #4a4a4a;
    --black: #000000;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Bordas */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    
    /* Transições */
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 2rem;
}

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

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

body {
    font-family: 'Guanabara Sans', sans-serif;
    font-weight: 300; /* Light */
    line-height: 1.6;
    color: var(--gray-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

/* ===== TIPOGRAFIA ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Guanabara Sans', sans-serif;
    font-weight: 800; /* Extra Bold */
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--blue-dark);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
    color: var(--blue-secondary);
}

h4 {
    font-size: 1.5rem;
    color: var(--blue-secondary);
}

h5 {
    font-size: 1.25rem;
    font-weight: 300; /* Light */
}

h6 {
    font-size: 1.125rem;
    font-weight: 300; /* Light */
}

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

.subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
}

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

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-header.light h2,
.section-header.light p {
    color: var(--white);
}

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

.bg-light {
    background-color: var(--gray-light);
}

.bg-primary {
    background-color: var(--blue-dark);
    color: var(--white);
}

.bg-secondary {
    background-color: var(--yellow-primary);
    color: var(--blue-dark);
}

/* ===== BOTÕES ===== */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border-radius: var(--border-radius-md);
    font-weight: 800; /* Extra Bold */
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    font-size: 1rem;
}

.btn:hover {
    transform: scale(1.05);
}

.btn:active {
    transform: scale(0.98);
}

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

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

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

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

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

.btn-secondary-light:hover {
    background-color: var(--gray-light);
    color: var(--blue-dark);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition-normal);
}

.header.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-md);
}

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

.logo img {
    height: 50px;
    width: auto;
}

.logo-mobile {
    display: none;
}

.main-nav .nav-list {
    display: flex;
    gap: var(--spacing-md);
}

.main-nav .nav-list a {
    color: var(--blue-dark);
    font-weight: 300; /* Light */
    padding: 0.5rem;
    position: relative;
}

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

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--blue-dark);
    margin: 5px 0;
    transition: var(--transition-fast);
}

/* ===== HERO SECTION ===== */
.hero {
    padding-top: 120px;
    padding-bottom: var(--spacing-xxl);
    background-color: var(--white);
    position: relative;
    overflow: hidden;
}

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

.hero-text {
    flex: 1;
}

.hero-image {
    flex: 1;
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-overlay {
    position: absolute;
    top: 10%;
    right: -15%;
    width: 60%;
    transform: rotate(15deg);
    opacity: 0.85;
    filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.2));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(15deg);
    }
    50% {
        transform: translateY(-20px) rotate(15deg);
    }
}

/* ===== PROBLEMS SECTION ===== */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.problem-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

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

.problem-icon {
    font-size: 2.5rem;
    color: var(--yellow-primary);
    margin-bottom: var(--spacing-md);
}

.problem-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

/* ===== SOLUTIONS SECTION ===== */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.solution-card {
    background-color: var(--gray-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    transition: var(--transition-normal);
    height: 100%;
}

.solution-card:hover {
    background-color: var(--white);
    box-shadow: var(--shadow-md);
}

.solution-icon {
    width: 60px;
    height: 60px;
    background-color: var(--blue-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.solution-icon i {
    font-size: 1.75rem;
    color: var(--yellow-primary);
}

.solution-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

/* ===== SERVICES SECTION ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    transition: var(--transition-normal);
    height: 100%;
    color: var(--white);
}

.service-card:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: var(--yellow-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.service-icon i {
    font-size: 1.75rem;
    color: var(--blue-dark);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

/* ===== DIFFERENTIALS SECTION ===== */
.differentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.differential-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    height: 100%;
}

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

.differential-icon {
    width: 60px;
    height: 60px;
    background-color: var(--blue-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.differential-icon i {
    font-size: 1.75rem;
    color: var(--yellow-primary);
}

.differential-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-slider {
    position: relative;
    overflow: hidden;
}

.testimonial-slide {
    display: none;
}

.testimonial-slide.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.testimonial-image {
    flex: 0 0 120px;
}

.testimonial-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--yellow-primary);
}

.testimonial-text {
    flex: 1;
}

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

.testimonial-text p::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -10px;
    font-size: 2.5rem;
    color: var(--yellow-primary);
    font-family: serif;
}

.testimonial-author h4 {
    margin-bottom: 0.25rem;
    color: var(--blue-dark);
}

.testimonial-author p {
    margin-bottom: 0;
    font-size: 0.875rem;
}

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

.testimonial-prev,
.testimonial-next {
    background-color: var(--blue-secondary);
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.testimonial-dots {
    display: flex;
    gap: 8px;
    margin: 0 var(--spacing-md);
}

.testimonial-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--gray-medium);
    cursor: pointer;
    transition: var(--transition-fast);
}

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

/* ===== DIAGNOSTIC SECTION ===== */
.diagnostic-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.diagnostic-text h2 {
    color: var(--blue-dark);
}

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

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

.diagnostic-benefits i {
    color: var(--blue-dark);
    margin-right: var(--spacing-sm);
}

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

.diagnostic-form h3 {
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--blue-dark);
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: var(--spacing-xs);
    font-weight: 300; /* Light */
    color: var(--gray-dark);
}

.form-group input,
.form-group select {
    padding: 0.875rem 1rem;
    border: 1px solid var(--gray-medium);
    border-radius: var(--border-radius-md);
    font-family: 'Guanabara Sans', sans-serif;
    font-weight: 300; /* Light */
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--blue-secondary);
    box-shadow: 0 0 0 2px rgba(37, 44, 183, 0.2);
}

.form-group.checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.form-group.checkbox input {
    margin-top: 0.25rem;
}

.form-group.checkbox label {
    margin-bottom: 0;
    font-size: 0.875rem;
}

.privacy-link {
    text-decoration: underline;
}

.form-alternative {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.whatsapp-button {
    display: inline-flex;
    align-items: center;
    background-color: #25D366;
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    margin-top: var(--spacing-sm);
    transition: var(--transition-fast);
}

.whatsapp-button:hover {
    background-color: #128C7E;
    color: var(--white);
}

.whatsapp-button i {
    font-size: 1.25rem;
    margin-right: var(--spacing-sm);
}

/* ===== ABOUT SECTION ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    align-items: center;
}

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

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800; /* Extra Bold */
    color: var(--yellow-primary);
    display: block;
    line-height: 1;
}

.stat-text {
    font-size: 0.875rem;
    color: var(--gray-dark);
}

.about-values {
    margin-top: var(--spacing-lg);
}

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

.value-item h4 {
    color: var(--blue-dark);
    margin-bottom: var(--spacing-xs);
}

.value-item ul {
    list-style: disc;
    padding-left: var(--spacing-lg);
}

.value-item li {
    margin-bottom: var(--spacing-xs);
}

/* ===== BLOG SECTION ===== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.blog-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

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

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

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

.blog-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.blog-content p {
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.blog-link {
    display: inline-flex;
    align-items: center;
    color: var(--blue-secondary);
    font-weight: 800; /* Extra Bold */
    margin-top: auto;
}

.blog-link i {
    margin-left: var(--spacing-xs);
    transition: var(--transition-fast);
}

.blog-link:hover i {
    transform: translateX(5px);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--blue-dark);
    color: var(--white);
    padding-top: var(--spacing-xxl);
}

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

.footer-logo img {
    height: 80px;
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    font-size: 0.875rem;
    opacity: 0.8;
}

.footer h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

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

.footer-links a {
    color: var(--white);
    opacity: 0.8;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--yellow-primary);
}

.footer-contact address {
    font-style: normal;
    line-height: 1.6;
    opacity: 0.8;
}

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

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

.social-icons a {
    width: 36px;
    height: 36px;
    background-color: var(--blue-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.footer-legal a {
    color: var(--white);
    opacity: 0.8;
    font-size: 0.875rem;
}

.footer-legal a:hover {
    opacity: 1;
    color: var(--yellow-primary);
}

.separator {
    opacity: 0.5;
}

.footer-copyright {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 99;
    transition: var(--transition-normal);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    color: var(--white);
    transform: scale(1.1);
    animation: none;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--blue-secondary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-md);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
}

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

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

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 1023px) {
    :root {
        --container-padding: 1.5rem;
    }
    
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .section-padding {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-content {
        flex-direction: column;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .diagnostic-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .about-image {
        order: -1;
    }
}

@media (max-width: 767px) {
    :root {
        --container-padding: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .section-padding {
        padding: var(--spacing-lg) 0;
    }
    
    .header-content {
        flex-wrap: wrap;
    }
    
    .logo-desktop {
        display: none;
    }
    
    .logo-mobile {
        display: block;
        height: 60px;
    }
    
    .menu-toggle {
        display: block;
        order: 1;
    }
    
    .main-nav {
        order: 3;
        width: 100%;
        margin-top: var(--spacing-md);
        display: none;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav .nav-list {
        flex-direction: column;
        gap: 0;
    }
    
    .main-nav .nav-list a {
        display: block;
        padding: var(--spacing-sm);
        border-bottom: 1px solid var(--gray-light);
    }
    
    .cta-header {
        order: 2;
    }
    
    .cta-header .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .hero {
        padding-top: 100px;
    }
    
    .testimonial-content {
        flex-direction: column;
        text-align: center;
    }
    
    .testimonial-image {
        margin-bottom: var(--spacing-md);
    }
    
    .testimonial-text p {
        padding-left: 0;
    }
    
    .testimonial-text p::before {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-content {
        gap: var(--spacing-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
}

/* ===== ANIMAÇÕES ===== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ===== ACESSIBILIDADE ===== */
:focus {
    outline: 2px solid var(--blue-secondary);
    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;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}