/* ==========================================================================
   J3M TECH - Stylesheet
   Abordagem Mobile-First com Flexbox e Grid
   ========================================================================== */

/* ==========================================================================
   Acessibilidade
   ========================================================================== */

/* Skip to main content (para leitores de tela) */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 10000;
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 var(--radius-md) 0;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
    outline: 3px solid var(--color-white);
    outline-offset: 2px;
}

/* ==========================================================================
   Reset e Variáveis CSS
   ========================================================================== */

:root {
    /* Cores Principais - Nova Paleta J3MTECH */
    --color-primary: #00C2B2;
    --color-primary-dark: #009E94;
    --color-primary-light: #00E5D0;
    
    --color-secondary: #00C2B2;
    --color-secondary-dark: #009E94;
    
    --color-accent: #00C2B2;
    --color-accent-dark: #009E94;
    
    /* Cores Neutras */
    --color-dark: #002B45;
    --color-gray-900: #1A2E3B;
    --color-gray-800: #2C2C2C;
    --color-gray-700: #3A3A3A;
    --color-gray-600: #6F7A85;
    --color-gray-500: #8A95A0;
    --color-gray-400: #A5B0BB;
    --color-gray-300: #D0E2F2;
    --color-gray-200: #E0EAF4;
    --color-gray-100: #F4F7FA;
    --color-white: #ffffff;
    
    /* Cores de Status */
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transições */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Container */
    --container-max-width: 1200px;
    --container-padding: 1rem;
}

/* Reset Básico */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-gray-800);
    background-color: var(--color-gray-100);
    overflow-x: hidden;
}

/* ==========================================================================
   Tipografia
   ========================================================================== */

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

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

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

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

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

a:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

button:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
}

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

/* ==========================================================================
   Utilitários
   ========================================================================== */

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

.highlight {
    color: var(--color-primary);
}

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

.section-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
}

/* ==========================================================================
   Botões
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    min-height: 48px; /* Touch target mínimo recomendado */
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--color-primary);
}

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

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

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

.btn-link {
    background: none;
    color: var(--color-primary);
    padding: 0.5rem 0;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.btn-link:hover {
    color: var(--color-primary-dark);
    gap: var(--spacing-sm);
}

.btn-link i {
    transition: transform var(--transition-fast);
}

.btn-link:hover i {
    transform: translateX(4px);
}

.btn:focus-visible {
    outline: 3px solid var(--color-white);
    outline-offset: 3px;
}

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: #25D366;
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all var(--transition-base);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float i {
    font-size: 1.5rem;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 6rem;
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background-color: var(--color-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.scroll-to-top i {
    font-size: 1.25rem;
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
    background-color: var(--color-dark);
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.header .container {
    padding-top: 0;
    padding-bottom: 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0;
    gap: 2rem;
}

.logo-icon {
    height: 1.5rem;
    width: auto;
    display: block;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.5px;
}

.logo-highlight {
    color: var(--color-primary);
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: transform var(--transition-fast);
}

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

.logo-tagline {
    color: var(--color-gray-300);
    font-size: 0.75rem;
    display: none;
    max-width: 200px;
    line-height: 1.3;
}

/* Navegação Desktop */
.nav-list {
    display: none;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-white);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

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

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

/* Menu Toggle (Mobile) */
.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    position: relative;
    z-index: 1001;
}

.menu-toggle:hover {
    opacity: 0.8;
}

.menu-toggle:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

.hamburger,
.hamburger::before,
.hamburger::after {
    width: 100%;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition-base);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

/* Menu Mobile Ativo */
.nav.active {
    display: flex;
    position: fixed;
    top: 73px;
    left: 0;
    width: 100%;
    height: calc(100vh - 73px);
    background-color: var(--color-dark);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    animation: slideDown 0.3s ease-out;
}

.nav.active .nav-list {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-md);
}

.nav.active .nav-item {
    opacity: 0;
    animation: fadeInUp 0.4s ease-out forwards;
}

.nav.active .nav-item:nth-child(1) { animation-delay: 0.1s; }
.nav.active .nav-item:nth-child(2) { animation-delay: 0.15s; }
.nav.active .nav-item:nth-child(3) { animation-delay: 0.2s; }
.nav.active .nav-item:nth-child(4) { animation-delay: 0.25s; }
.nav.active .nav-item:nth-child(5) { animation-delay: 0.3s; }

.nav.active .nav-link {
    display: block;
    padding: var(--spacing-md);
    font-size: 1.25rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.nav.active .nav-link:hover {
    background-color: rgba(0, 194, 178, 0.1);
    transform: translateX(8px);
}

.menu-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.menu-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    padding: var(--spacing-lg) 0 var(--spacing-sm) 0;
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
    overflow: hidden;
}

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

.hero-content {
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: 2.25rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

.hero-image {
    max-width: 500px;
    animation: fadeIn 1s ease-out 0.3s both;
}

.hero-image img {
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

/* ==========================================================================
   Serviços Section
   ========================================================================== */

.servicos {
    padding: var(--spacing-sm) 0;
    background-color: var(--color-white);
}

.servicos-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.servico-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    animation: fadeInUp 0.6s ease-out both;
    cursor: default;
    position: relative;
    overflow: hidden;
}

.servico-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

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

.servico-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.servico-card:hover .servico-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 16px rgba(0, 194, 178, 0.3);
}

.servico-card:hover .servico-title {
    color: var(--color-primary);
}

.servico-card:hover .servico-description {
    color: var(--color-gray-800);
}

.servico-icon {
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    border-radius: var(--radius-lg);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
}

.servico-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
    transition: color var(--transition-base);
}

.servico-description {
    color: var(--color-gray-600);
    line-height: 1.7;
    transition: color var(--transition-base);
}

/* ==========================================================================
   Cases Section
   ========================================================================== */

.cases {
    padding: var(--spacing-sm) 0;
    background-color: var(--color-white);
}

.cases-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.case-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    animation: fadeInUp 0.6s ease-out both;
    cursor: default;
    display: flex;
    flex-direction: column;
    border: 2px solid transparent;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.case-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
    background-color: var(--color-gray-200);
    position: relative;
}

.case-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 43, 69, 0.3) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.case-card:hover .case-image::after {
    opacity: 1;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: transform var(--transition-slow);
    padding: var(--spacing-sm);
}

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

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

.case-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
    transition: color var(--transition-fast);
    line-height: 1.3;
}

.case-card:hover .case-title {
    color: var(--color-primary);
}

.case-description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
    flex-grow: 1;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.case-card:hover .case-description {
    color: var(--color-gray-700);
}

.case-results {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-top: 2px solid var(--color-gray-200);
    border-bottom: 2px solid var(--color-gray-200);
}

.result-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.result-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    transition: transform var(--transition-fast);
    line-height: 1;
}

.case-card:hover .result-number {
    transform: scale(1.08);
}

.result-label {
    font-size: 0.8rem;
    color: var(--color-gray-600);
    font-weight: 500;
    line-height: 1.2;
}

.case-btn {
    margin-top: auto;
    align-self: flex-start;
    font-size: 0.9rem;
}

/* ==========================================================================
   Sobre Section
   ========================================================================== */

.sobre {
    padding: var(--spacing-sm) 0;
    background-color: var(--color-white);
}

.sobre-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.sobre-text {
    background-color: var(--color-gray-50);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.sobre-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
}

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

.valores-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.valores-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.valor-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: 0.95rem;
}

.valor-item i {
    color: var(--color-primary);
    font-size: 1rem;
    margin-top: 0.15rem;
    flex-shrink: 0;
}

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

.stat-card {
    background: linear-gradient(135deg, var(--color-dark), var(--color-gray-900));
    color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    opacity: 0.9;
    line-height: 1.2;
}

/* ==========================================================================
   Contato Section
   ========================================================================== */

.contato {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-gray-100);
}

.contato-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.contato-form {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

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

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

.form-label {
    font-weight: 600;
    color: var(--color-dark);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.form-label::after {
    content: '*';
    color: var(--color-error);
    font-weight: 700;
}

.form-input {
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-family: var(--font-primary);
}

.form-input:hover {
    border-color: var(--color-gray-400);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(0, 194, 178, 0.1);
}

.form-input.error {
    border-color: var(--color-error);
    background-color: rgba(239, 68, 68, 0.05);
}

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

.form-error {
    color: var(--color-error);
    font-size: 0.875rem;
    display: none;
}

.form-error.active {
    display: block;
}

.form-actions {
    grid-column: 1 / -1;
}

.btn-submit {
    width: 100%;
    position: relative;
    min-height: 52px;
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: wait;
}

.btn-loading {
    display: none;
}

.btn-submit:disabled .btn-loading {
    display: inline;
}

.form-message {
    grid-column: 1 / -1;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    background-color: #d1fae5;
    color: #065f46;
    display: block;
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    display: block;
}

/* Informações de Contato */
.contato-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.info-item i {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-top: 0.25rem;
}

.info-item h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.info-item a {
    color: var(--color-gray-700);
}

.info-item a:hover {
    color: var(--color-primary);
}

.social-links h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

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

.social-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: 1.25rem;
    transition: all var(--transition-base);
}

.social-icon:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-xs) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: 0;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.logo-text-footer {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.5px;
}

.footer-contact {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-gray-400);
    font-size: 0.7rem;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-contact-item:hover {
    color: var(--color-primary);
}

.footer-contact-item i {
    color: var(--color-primary);
    font-size: 0.8rem;
}

.footer-divider {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin: var(--spacing-xs) 0;
}

.footer-bottom {
    text-align: center;
    padding-top: 0;
}

.copyright {
    color: var(--color-gray-500);
    font-size: 0.65rem;
}

/* ==========================================================================
   Modal
   ========================================================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal[hidden] {
    display: none;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.2s ease-out;
}

.modal-content {
    position: relative;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--spacing-xl);
    animation: slideUp 0.3s ease-out;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-100);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1.25rem;
    color: var(--color-gray-600);
    z-index: 10;
}

.modal-close:hover {
    background-color: var(--color-gray-200);
    color: var(--color-dark);
}

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

.modal-body {
    margin-top: var(--spacing-md);
}

/* ==========================================================================
   Animações
   ========================================================================== */

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

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

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Delay nas animações dos cards */
.servico-card:nth-child(1) { animation-delay: 0.1s; }
.servico-card:nth-child(2) { animation-delay: 0.2s; }
.servico-card:nth-child(3) { animation-delay: 0.3s; }
.servico-card:nth-child(4) { animation-delay: 0.4s; }
.servico-card:nth-child(5) { animation-delay: 0.5s; }
.servico-card:nth-child(6) { animation-delay: 0.6s; }

.case-card:nth-child(1) { animation-delay: 0.1s; }
.case-card:nth-child(2) { animation-delay: 0.3s; }
.case-card:nth-child(3) { animation-delay: 0.5s; }

/* ==========================================================================
   Media Queries - Mobile Adjustments
   ========================================================================== */

@media (max-width: 767px) {
    .whatsapp-float {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
    }
    
    .whatsapp-float i {
        font-size: 1.25rem;
    }
    
    .scroll-to-top {
        bottom: 5.5rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
    }
    
    .scroll-to-top.visible {
        right: 1.5rem;
        bottom: 5.5rem;
    }
    
    .scroll-to-top i {
        font-size: 1.1rem;
    }
    
    .modal {
        padding: var(--spacing-xs);
    }
    
    .modal-content {
        padding: var(--spacing-md);
    }
}

/* ==========================================================================
   Media Queries - Tablets (768px+)
   ========================================================================== */

@media (min-width: 768px) {
    /* Tipografia */
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .section-title { font-size: 2.5rem; }
    
    /* Container */
    :root {
        --container-padding: 2rem;
    }
    
    .logo-text-footer {
        font-size: 1.4rem;
    }
    
    /* Header - Menu Desktop */
    .menu-toggle {
        display: none;
    }
    
    .nav-list {
        display: flex;
    }
    
    .nav {
        display: block !important;
    }
    
    /* Hero */
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-cta {
        flex-direction: row;
    }
    
    /* Grids */
    .servicos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .case-image {
        height: 200px;
    }
    
    .case-content {
        padding: var(--spacing-md);
    }
    
    .sobre-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-md);
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 2.25rem;
    }
    
    .stat-label {
        font-size: 0.9rem;
    }
    
    .contato-form {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .logo-icon {
        height: .3rem;
    }
    
    .logo-text {
        font-size: 1.8rem;
    }
    
    .logo-tagline {
        display: block;
    }
    
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: var(--spacing-md);
    }
    
    .footer-logo {
        align-items: flex-start;
    }
    
    .footer-contact {
        gap: var(--spacing-md);
    }
    
    .footer {
        padding: var(--spacing-sm) 0;
    }
}

/* ==========================================================================
   Media Queries - Desktop (1024px+)
   ========================================================================== */

@media (min-width: 1024px) {
    /* Tipografia */
    h1 { font-size: 3rem; }
    .hero-title { font-size: 3.5rem; }
    
    /* Hero com imagem ao lado */
    .hero .container {
        flex-direction: row;
        align-items: center;
        text-align: left;
    }
    
    .hero-content {
        text-align: left;
        flex: 1;
    }
    
    .hero-subtitle {
        margin-left: 0;
        margin-right: 0;
    }
    
    .hero-cta {
        justify-content: flex-start;
    }
    
    .hero-image {
        flex: 1;
    }
    
    /* Grids */
    .servicos-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xl);
    }
    
    .case-image {
        height: 220px;
    }
    
    .case-content {
        padding: var(--spacing-lg);
    }
    
    .sobre-content {
        flex-direction: row;
        align-items: center;
        gap: var(--spacing-2xl);
    }
    
    .sobre-text {
        flex: 1.5;
    }
    
    .sobre-description {
        font-size: 1.05rem;
    }
    
    .valores-title {
        font-size: 1.4rem;
    }
    
    .valor-item {
        font-size: 1rem;
    }
    
    .sobre-stats {
        flex: 1;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .contato-content {
        flex-direction: row;
        align-items: flex-start;
    }
    
    .contato-form {
        flex: 1.5;
    }
    
    .contato-info {
        flex: 1;
    }
    
    .logo-icon {
        height: 2rem;
    }
    
    .logo-text {
        font-size: 2rem;
    }
    
    .logo-tagline {
        font-size: 0.8rem;
        max-width: 250px;
    }
    
    .logo-text-footer {
        font-size: 1.6rem;
    }
    
    .footer {
        padding: var(--spacing-sm) 0;
    }
    
    .footer-content {
        gap: var(--spacing-xl);
    }
    
    .footer-contact {
        gap: var(--spacing-md);
    }
    
    .footer-bottom {
        padding-top: 0;
    }
}

/* ==========================================================================
   Media Queries - Large Desktop (1280px+)
   ========================================================================== */

@media (min-width: 1280px) {
    .hero-title {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
}

/* ==========================================================================
   Acessibilidade
   ========================================================================== */

/* Modo de alto contraste */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #00A89D;
        --color-gray-600: #3A3A3A;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* Redução de movimento */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Loader/Spinner animation */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.btn-loading i {
    animation: spin 1s linear infinite;
}

/* Focus visible melhorado */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Smooth scroll para navegação */
html {
    scroll-padding-top: 90px;
}

/* Selection color */
::selection {
    background-color: var(--color-primary);
    color: var(--color-white);
}

::-moz-selection {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* Skip to main content (para leitores de tela) */
.skip-to-main {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-sm);
    z-index: 100;
}

.skip-to-main:focus {
    top: 0;
}