/* 
* Wilson Junior Engenheiro Mecânico - Estilos CSS
* Desenvolvido com foco em performance, responsividade, acessibilidade e design profissional
*/

/* ===== VARIÁVEIS ===== */
:root {
    /* Cores principais */
    --primary-color: #1a73e8;
    --primary-dark: #0d47a1;
    --primary-light: #4285f4;
    --secondary-color: #34a853;
    --accent-color: #ea4335;
    
    /* Cores neutras */
    --dark: #212121;
    --dark-gray: #424242;
    --medium-gray: #757575;
    --light-gray: #e0e0e0;
    --off-white: #f5f5f5;
    --white: #ffffff;
    
    /* Tipografia */
    --heading-font: 'Montserrat', sans-serif;
    --body-font: 'Roboto', sans-serif;
    
    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Bordas e sombras */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --box-shadow-light: 0 2px 5px rgba(0, 0, 0, 0.1);
    --box-shadow-medium: 0 4px 10px rgba(0, 0, 0, 0.15);
    --box-shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container */
    --container-width: 1200px;
    --container-padding: 1.5rem;
}

/* Botão Flutuante do WhatsApp */
.whatsapp-float {
  position: fixed;
  inset-block-end: 30px;
  inset-inline-end: 30px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  min-inline-size: 60px;
  block-size: 60px;
  border-radius: var(--border-radius-lg);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
  z-index: 999;
  transition: all var(--transition-medium);
  box-shadow: var(--box-shadow-medium);
  text-decoration: none;
  padding: 0 var(--spacing-md);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.whatsapp-text {
  font-size: 14px;
  font-weight: 600;
  margin-inline-start: var(--spacing-sm);
  white-space: nowrap;
  display: none;
  font-family: var(--heading-font);
}

/* Efeito de Hover */
.whatsapp-float:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  box-shadow: var(--box-shadow-heavy);
  transform: translateY(-3px) scale(1.05);
  padding: 0 var(--spacing-lg);
  border-color: var(--white);
}

.whatsapp-float:hover .whatsapp-text {
  display: inline;
}

.whatsapp-float:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Animação de Pulso */
@keyframes pulse {
  0% {
      transform: scale(1);
      box-shadow: var(--box-shadow-medium);
  }
  70% {
      transform: scale(1.05);
      box-shadow: 0 0 20px rgba(26, 115, 232, 0.4);
  }
  100% {
      transform: scale(1);
      box-shadow: var(--box-shadow-medium);
  }
}

.whatsapp-float {
  animation: pulse 3s infinite;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Ajuste para compensar o header fixo */
}

body {
    font-family: var(--body-font);
    font-weight: 400;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

img {
    max-inline-size: 100%;
    block-size: auto;
    display: block;
}

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

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

a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

ul, ol {
    list-style: none;
}

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
    background: none;
}

button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Remover o efeito azul do menu hambúrguer */
button:focus, .mobile-menu-toggle:focus {
    outline: 2px solid var(--primary-color) !important;
    outline-offset: 2px !important;
    -webkit-tap-highlight-color: transparent;
}

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

.container {
    inline-size: 100%;
    max-inline-size: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ===== TIPOGRAFIA ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    font-weight: 700;
    line-height: 1.2;
    margin-block-end: var(--spacing-md);
    color: var(--dark);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

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

.section-title {
    font-size: 2.25rem;
    text-align: center;
    margin-block-end: var(--spacing-sm);
    color: var(--dark);
}

.section-divider {
    inline-size: 80px;
    block-size: 4px;
    background-color: var(--primary-color);
    margin: 0 auto var(--spacing-xl);
}

.section-header {
    margin-block-end: var(--spacing-xl);
}

/* ===== UTILITÁRIOS ===== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    text-align: center;
    transition: all var(--transition-medium);
    box-shadow: var(--box-shadow-light);
    min-block-size: 44px;
    min-inline-size: 44px;
}

.btn:focus {
    outline: 2px solid var(--white);
    outline-offset: 2px;
}

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

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

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

.btn-secondary:hover, .btn-secondary:focus {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: var(--box-shadow-medium);
    transform: translateY(-2px);
}

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

.full-width {
    inline-size: 100%;
}

/* ===== HEADER E NAVEGAÇÃO ===== */
.header {
    position: fixed;
    inset-block-start: 0;
    inset-inline-start: 0;
    inline-size: 100%;
    background-color: var(--white);
    box-shadow: var(--box-shadow-light);
    padding: 1rem 0;
    z-index: 1000;
    transition: all var(--transition-medium);
}

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

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

.logo {
    display: flex;
    align-items: center;
    line-height: 1.2;
}

.logo-img {
    max-inline-size: 160px;
    block-size: auto;
    transition: transform var(--transition-medium);
}

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

.main-nav ul {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    position: relative;
    color: var(--dark-gray);
    font-weight: 500;
    padding: 0.5rem 0;
    min-block-size: 44px;
    min-inline-size: 44px;
    display: flex;
    align-items: center;
}

.nav-link::after {
    content: '';
    position: absolute;
    inset-block-end: 0;
    inset-inline-start: 0;
    inline-size: 0;
    block-size: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-medium);
}

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

.nav-link:hover::after, .nav-link:focus::after, .nav-link.active::after {
    inline-size: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    inline-size: 44px;
    block-size: 44px;
    background-color: transparent;
    border: none;
    padding: 10px;
}

.mobile-menu-toggle span {
    display: block;
    block-size: 3px;
    inline-size: 100%;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: all var(--transition-medium);
}

/* ===== HERO SECTION ===== */
.hero-section {
    block-size: 100vh;
    min-block-size: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../assets/img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 0;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-inline-size: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-logo {
    margin-block-end: var(--spacing-xl);
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo-img {
    max-inline-size: 350px;
    block-size: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    transition: transform var(--transition-medium);
}

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

.hero-title {
    font-size: 3.5rem;
    margin-block-end: var(--spacing-md);
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-block-end: var(--spacing-xl);
    color: var(--light-gray);
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

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

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

.image-placeholder {
    background-color: var(--light-gray);
    aspect-ratio: 1 / 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--medium-gray);
    font-size: 5rem;
}

.image-placeholder span {
    font-size: 1rem;
    margin-block-start: var(--spacing-sm);
}

.about-text h3 {
    color: var(--primary-color);
    margin-block-end: var(--spacing-xs);
}

.about-text h4 {
    color: var(--dark-gray);
    font-weight: 500;
    margin-block-end: var(--spacing-md);
}

.about-highlights {
    margin-block-start: var(--spacing-lg);
}

.about-highlights li {
    display: flex;
    align-items: center;
    margin-block-end: var(--spacing-sm);
}

.about-highlights i {
    color: var(--secondary-color);
    margin-inline-end: var(--spacing-sm);
}

/* ===== SERVICES SECTION ===== */
.services-section {
    background-color: var(--off-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, 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(--box-shadow-light);
    transition: all 0.15s cubic-bezier(0.25, 0.1, 0.25, 1);
    block-size: 100%;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-medium);
}

.service-card:focus-within {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-block-end: var(--spacing-md);
}

.service-title {
    font-size: 1.25rem;
    margin-block-end: var(--spacing-md);
    color: var(--dark);
}

.service-description {
    color: var(--dark-gray);
    margin-block-end: 0;
    flex-grow: 1;
}

/* ===== GALLERY SECTION ===== */
.gallery-section {
    background-color: var(--off-white);
    padding: var(--spacing-xxl) 0;
}

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-block-end: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-md);
    background-color: transparent;
    color: var(--primary-color);
    font-weight: 500;
    transition: all var(--transition-medium);
    cursor: pointer;
    min-block-size: 44px;
}

.filter-btn:hover,
.filter-btn:focus,
.filter-btn.active {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-medium);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--spacing-lg);
}

.gallery-item {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--box-shadow-light);
    transition: all 0.15s cubic-bezier(0.25, 0.1, 0.25, 1);
    text-align: center;
    cursor: pointer;
    block-size: 100%;
    display: flex;
    flex-direction: column;
}

.gallery-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-medium);
}

.gallery-item:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.gallery-item.hidden {
    display: none;
}

.gallery-image {
    inline-size: 100%;
    block-size: 350px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-image {
    transform: scale(1.05);
}

.gallery-caption {
    padding: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.gallery-caption h3 {
    font-size: 1.1rem;
    margin-block-end: var(--spacing-sm);
    color: var(--dark);
    line-height: 1.4;
}

.gallery-caption p {
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-block-end: 0;
}

/* Modal da Galeria - Melhorado */
.gallery-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    inset-inline-start: 0;
    inset-block-start: 0;
    inline-size: 100%;
    block-size: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-modal.active {
    display: flex;
    opacity: 1;
    align-items: center;
    justify-content: center;
}

.modal-content {
    position: relative;
    background-color: var(--white);
    margin: auto;
    padding: 0;
    inline-size: 90%;
    max-inline-size: 1200px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--box-shadow-heavy);
    animation: modalIn 0.3s ease;
    max-block-size: 90vh;
}

@keyframes modalIn {
    from {transform: scale(0.95); opacity: 0;}
    to {transform: scale(1); opacity: 1;}
}

.modal-close {
    position: absolute;
    inset-block-start: 15px;
    inset-inline-end: 15px;
    color: var(--white);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    z-index: 2010;
    inline-size: 44px;
    block-size: 44px;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.2s ease;
}

.modal-close:hover,
.modal-close:focus {
    background-color: var(--primary-color);
    transform: rotate(90deg);
    outline: 2px solid var(--white);
    outline-offset: 2px;
}

.modal-body {
    display: grid;
    grid-template-columns: 3fr 2fr;
    max-block-size: 90vh;
}

.modal-image-container {
    background-color: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--spacing-lg);
    block-size: 90vh;
}

.modal-image {
    max-inline-size: 100%;
    max-block-size: 85vh;
    object-fit: contain;
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow-medium);
}

.modal-description {
    padding: var(--spacing-xl);
    background-color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow-y: auto;
    max-block-size: 90vh;
}

.modal-title {
    color: var(--primary-color);
    margin-block-end: var(--spacing-md);
    font-size: 1.75rem;
    line-height: 1.3;
}

.modal-text {
    color: var(--dark-gray);
    line-height: 1.8;
    margin-block-end: var(--spacing-lg);
    font-size: 1.1rem;
}

/* Responsividade do modal */
@media (max-width: 992px) {
    .modal-body {
        grid-template-columns: 1fr;
        overflow-y: auto;
    }
    
    .modal-image-container {
        block-size: auto;
        min-block-size: 300px;
        max-block-size: 50vh;
    }
    
    .modal-image {
        max-block-size: 45vh;
    }
    
    .modal-description {
        max-block-size: none;
        overflow-y: visible;
    }
    
    .gallery-filters {
        gap: var(--spacing-sm);
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

/* ===== CONTACT SECTION ===== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
}

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

.contact-info h3 {
    color: var(--white);
    margin-block-end: var(--spacing-lg);
}

.contact-list {
    margin-block-end: var(--spacing-xl);
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    margin-block-end: var(--spacing-lg);
}

.contact-list i {
    font-size: 1.5rem;
    margin-inline-end: var(--spacing-md);
    margin-block-start: 0.25rem;
}

.contact-list h4 {
    color: var(--white);
    margin-block-end: var(--spacing-xs);
    font-size: 1rem;
}

.contact-list p {
    margin-block-end: 0;
    color: rgba(255, 255, 255, 0.8);
}

.contact-list a {
    color: var(--white);
    font-weight: 500;
}

.contact-list a:hover,
.contact-list a:focus {
    color: var(--light-gray);
    text-decoration: underline;
}

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

.social-link {
    display: flex;
    justify-content: center;
    align-items: center;
    inline-size: 44px;
    block-size: 44px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: all var(--transition-fast);
}

.social-link:hover,
.social-link:focus {
    background-color: var(--white);
    color: var(--primary-color);
}

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

.contact-form-container h3 {
    margin-block-end: var(--spacing-lg);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

.form-group.full-width {
    grid-column: span 2;
}

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

.form-group input, .form-group textarea, .form-group select {
    inline-size: 100%;
    padding: 0.75rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius-sm);
    background-color: var(--off-white);
    transition: border-color var(--transition-fast);
    min-block-size: 44px;
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    border-color: var(--primary-color);
    outline: 2px solid var(--primary-color);
    outline-offset: 0;
}

.contact-form .btn {
    grid-column: span 2;
    justify-self: start;
    margin-block-start: var(--spacing-sm);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--dark);
    color: var(--light-gray);
    padding-block-start: var(--spacing-xxl);
}

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

.footer-logo h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-block-end: var(--spacing-xs);
}

.footer-logo p {
    color: var(--light-gray);
    margin-block-end: var(--spacing-md);
}

.footer-links h4, .footer-services h4, .footer-contact h4 {
    color: var(--white);
    font-size: 1.25rem;
    margin-block-end: var(--spacing-md);
}

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

.footer-links a, .footer-services a {
    color: var(--light-gray);
    transition: color var(--transition-fast);
}

.footer-links a:hover, .footer-services a:hover,
.footer-links a:focus, .footer-services a:focus {
    color: var(--white);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-contact i {
    color: var(--primary-light);
}

.footer-contact a {
    color: var(--light-gray);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-block-start: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-bottom p {
    margin-block-end: 0;
    font-size: 0.875rem;
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 1200px) {
    .container {
        max-inline-size: 100%;
        padding: 0 var(--spacing-lg);
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
}

@media (max-width: 992px) {
    html {
        font-size: 15px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .about-image {
        max-inline-size: 400px;
        margin: 0 auto;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .hero-cta .btn {
        inline-size: 100%;
    }
    
    .hero-logo-img {
        max-inline-size: 280px;
    }
    
    .logo-img {
        max-inline-size: 130px;
    }
    
    .main-nav {
        position: fixed;
        inset-block-start: 70px;
        inset-inline-start: 0;
        inline-size: 100%;
        background-color: var(--white);
        padding: var(--spacing-md);
        box-shadow: var(--box-shadow-medium);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-medium);
        z-index: 999;
    }
    
    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .whatsapp-text {
        display: none !important;
    }
    
    .whatsapp-float {
        inline-size: 60px;
        padding: 0;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-logo-img {
        max-inline-size: 220px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        inline-size: 100%;
        max-inline-size: 200px;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .contact-form .btn {
        grid-column: 1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-contact li {
        justify-content: center;
    }
}

/* ===== MELHORIAS DE CONTRASTE ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== FOCO VISÍVEL ===== */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

*:focus:not(:focus-visible) {
    outline: none;
}

*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}