/* ============================================
   LZM AI - CSS ULTRA PREMIUM OTIMIZADO
   Design System Profissional | v4.1
   Contraste Perfeito + Mobile First
   ============================================ */

/* 1. VARIÁVEIS & RESET OTIMIZADOS */
:root {
    /* Palette Primária - Alto Contraste */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    --primary-950: #172554;
    
    /* Palette Secundária - Contraste Aprimorado */
    --secondary-50: #faf5ff;
    --secondary-100: #f3e8ff;
    --secondary-200: #e9d5ff;
    --secondary-300: #d8b4fe;
    --secondary-400: #c084fc;
    --secondary-500: #a855f7;
    --secondary-600: #9333ea;
    --secondary-700: #7e22ce;
    --secondary-800: #6b21a8;
    --secondary-900: #581c87;
    --secondary-950: #3b0764;
    
    /* Acents - Mais Vibrantes */
    --accent: #f59e0b;
    --accent-light: #fcd34d;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Neutros com Melhor Contraste */
    --neutral-50: #ffffff;
    --neutral-100: #f8fafc;
    --neutral-200: #f1f5f9;
    --neutral-300: #e2e8f0;
    --neutral-400: #cbd5e1;
    --neutral-500: #94a3b8;
    --neutral-600: #64748b;
    --neutral-700: #475569;
    --neutral-800: #334155;
    --neutral-900: #1e293b;
    --neutral-950: #0f172a;
    
    /* Gradientes Ajustados */
    --gradient-primary: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
    --gradient-primary-reverse: linear-gradient(135deg, var(--secondary-600), var(--primary-600));
    --gradient-accent: linear-gradient(135deg, var(--accent), #fbbf24);
    --gradient-dark: linear-gradient(135deg, var(--neutral-900), var(--neutral-800));
    --gradient-light: linear-gradient(135deg, var(--neutral-50), var(--primary-50));
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
    --gradient-card: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    
    /* Tipografia Mobile-First */
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    
    /* Espaçamento Mobile-Otimizado */
    --space-3xs: 0.25rem;  /* 4px */
    --space-2xs: 0.5rem;   /* 8px */
    --space-xs: 0.75rem;   /* 12px */
    --space-sm: 1rem;      /* 16px */
    --space-md: 1.5rem;    /* 24px */
    --space-lg: 2rem;      /* 32px */
    --space-xl: 3rem;      /* 48px */
    --space-2xl: 4rem;     /* 64px */
    --space-3xl: 6rem;     /* 96px */
    --space-4xl: 8rem;     /* 128px */
    
    /* Sombras Suaves para Mobile */
    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-2xl: 0 50px 100px -20px rgba(0, 0, 0, 0.15);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-glow: 0 0 60px rgba(59, 130, 246, 0.15);
    
    /* Bordas Mobile-Friendly */
    --radius-xs: 0.375rem;
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
    --radius-pill: 1000px;
    
    /* Transições Otimizadas para Mobile */
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Container Responsivo */
    --container-xs: 20rem;
    --container-sm: 24rem;
    --container-md: 28rem;
    --container-lg: 32rem;
    --container-xl: 36rem;
    --container-2xl: 42rem;
    --container-3xl: 48rem;
    --container-4xl: 56rem;
    --container-5xl: 64rem;
    --container-6xl: 72rem;
    --container-7xl: 80rem;
    
    /* Z-index Mobile-Otimizado */
    --z-below: -1;
    --z-base: 0;
    --z-above: 1;
    --z-docked: 10;
    --z-dropdown: 1000;
    --z-sticky: 1100;
    --z-banner: 1200;
    --z-overlay: 1300;
    --z-modal: 1400;
    --z-popover: 1500;
    --z-toast: 1600;
    --z-tooltip: 1700;
}

/* 2. RESET COMPLETO PARA MOBILE */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 5rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--neutral-800);
    background-color: var(--neutral-50);
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    -webkit-overflow-scrolling: touch;
}

/* 3. BARRA DE PROGRESSO OTIMIZADA */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient-primary);
    z-index: var(--z-toast);
    transition: width var(--transition-normal);
    box-shadow: var(--shadow-glow);
}

.scroll-progress::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100px); }
    100% { transform: translateX(calc(100vw + 100px)); }
}

/* 4. CONTAINER RESPONSIVO MOBILE-FIRST */
.container {
    width: 100%;
    max-width: var(--container-7xl);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* 5. TYPOGRAPHY SYSTEM COM ALTO CONTRASTE */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--neutral-900);
    margin-bottom: var(--space-sm);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
}

h4 {
    font-size: 1.125rem;
    font-weight: 600;
}

p {
    margin-bottom: var(--space-md);
    color: var(--neutral-700);
    line-height: 1.7;
}

.lead {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--neutral-800);
    font-weight: 500;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* 6. BOTÕES MOBILE-FRIENDLY */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xs);
    padding: var(--space-xs) var(--space-lg);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9375rem;
    line-height: 1;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    isolation: isolate;
    user-select: none;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    -webkit-appearance: none;
    touch-action: manipulation;
    min-height: 44px;
    min-width: 44px;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.btn:hover::before,
.btn:focus::before {
    opacity: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
    border: none;
}

.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.btn-cta {
    background: var(--gradient-accent);
    color: var(--neutral-900);
    font-weight: 700;
    font-size: 1rem;
    padding: var(--space-sm) var(--space-xl);
    box-shadow: var(--shadow-lg);
    border: none;
}

.btn-cta:hover,
.btn-cta:focus {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-600);
    border-color: var(--primary-600);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background: var(--primary-600);
    color: white;
    transform: translateY(-2px);
    border-color: var(--primary-600);
}

.btn-outline {
    background: transparent;
    color: var(--neutral-700);
    border-color: var(--neutral-300);
}

.btn-outline:hover,
.btn-outline:focus {
    background: var(--neutral-100);
    border-color: var(--neutral-400);
    color: var(--neutral-800);
}

.btn-block {
    width: 100%;
    display: flex;
}

.btn-sm {
    padding: var(--space-2xs) var(--space-md);
    font-size: 0.875rem;
    min-height: 36px;
    min-width: 36px;
}

/* 7. HEADER OTIMIZADO PARA MOBILE */
.header-fixo {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--neutral-200);
    z-index: var(--z-sticky);
    transition: all var(--transition-normal);
    padding: var(--space-xs) 0;
    box-shadow: var(--shadow-sm);
}

.header-fixo.scrolled {
    box-shadow: var(--shadow-lg);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) 0;
}

/* Logo com Alto Contraste */
.logo-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
    transition: transform var(--transition-normal);
}

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

.logo-img {
    height: 2.5rem;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--neutral-900);
    letter-spacing: -0.02em;
}

.logo-accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* Menu Mobile Touch-Friendly */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 2.5rem;
    height: 2rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.375rem;
    z-index: var(--z-docked);
    position: relative;
    -webkit-appearance: none;
    touch-action: manipulation;
    min-height: 44px;
    min-width: 44px;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--neutral-900);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
    transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(0.75rem) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-0.75rem) rotate(-45deg);
}

/* Navegação Mobile-First */
.nav-main {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--neutral-700);
    text-decoration: none;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    display: block;
    min-height: 44px;
    display: flex;
    align-items: center;
}

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

.nav-link:hover,
.nav-link:focus {
    color: var(--primary-600);
    background: var(--primary-50);
    outline: none;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link.active {
    color: var(--primary-600);
    font-weight: 600;
}

.nav-buttons {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-left: var(--space-md);
}

/* 8. BANNER HERO OTIMIZADO PARA MOBILE */
.banner-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-dark);
    overflow: hidden;
    margin-top: 5rem;
    padding: var(--space-2xl) 0;
}

.banner-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 15% 85%, rgba(59, 130, 246, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 85% 15%, rgba(147, 51, 234, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.banner-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide-content {
    position: relative;
    z-index: 2;
    max-width: 48rem;
    padding: var(--space-xl);
    text-align: center;
}

.banner-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    color: white;
    margin-bottom: var(--space-md);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.banner-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    flex-wrap: wrap;
    justify-content: center;
}

.slide-image {
    display: none;
}

/* Controles do Banner Touch-Friendly */
.banner-controls {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    z-index: var(--z-above);
}

.control-prev,
.control-next {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    -webkit-appearance: none;
    touch-action: manipulation;
    min-height: 48px;
    min-width: 48px;
}

.control-prev:hover,
.control-next:hover,
.control-prev:focus,
.control-next:focus {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
    outline: none;
}

.control-dots {
    display: flex;
    gap: var(--space-sm);
}

.dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    -webkit-appearance: none;
    touch-action: manipulation;
    min-height: 16px;
    min-width: 16px;
}

.dot::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.dot.active {
    transform: scale(1.2);
}

.dot.active::after {
    opacity: 1;
}

/* 9. SEÇÕES COM ESPAÇAMENTO OTIMIZADO */
.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto var(--space-2xl);
}

.section-title {
    margin-bottom: var(--space-md);
    color: var(--neutral-900);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--neutral-700);
    line-height: 1.7;
    max-width: 36rem;
    margin: 0 auto;
}

/* 10. SOBRE NÓS COM ALTO CONTRASTE */
.sobre-section {
    background: var(--neutral-50);
    position: relative;
    overflow: hidden;
}

.sobre-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
    position: relative;
}

@media (min-width: 768px) {
    .sobre-content {
        grid-template-columns: 1fr 1fr;
    }
}

.sobre-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--neutral-700);
    margin-bottom: var(--space-lg);
}

.sobre-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.stat {
    text-align: center;
    padding: var(--space-md);
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.stat:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-600);
    line-height: 1;
    margin-bottom: var(--space-2xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--neutral-600);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

@media (min-width: 768px) {
    .sobre-image {
        order: 0;
    }
}

.image-frame {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.image-frame::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0.1;
    z-index: 1;
    mix-blend-mode: multiply;
}

.placeholder-img {
    width: 100%;
    height: 300px;
    background: var(--gradient-card);
    position: relative;
}

.image-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: var(--gradient-accent);
    color: var(--neutral-900);
    padding: var(--space-2xs) var(--space-md);
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: var(--shadow-md);
    z-index: 2;
}

/* 11. FUNCIONALIDADES COM CONTRASTE PERFEITO */
.servicos-section {
    background: white;
    position: relative;
}

.servicos-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    position: relative;
}

@media (min-width: 640px) {
    .servicos-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

.servico-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    height: 100%;
    box-shadow: var(--shadow-sm);
}

.servico-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.servico-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

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

.servico-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto var(--space-lg);
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.servico-card:hover .servico-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-lg);
}

.servico-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    text-align: center;
    color: var(--neutral-900);
}

.servico-card p {
    color: var(--neutral-700);
    margin-bottom: var(--space-lg);
    text-align: center;
    line-height: 1.7;
}

.servico-lista {
    list-style: none;
    margin: var(--space-lg) 0 0 0;
    padding: 0;
}

.servico-lista li {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
    color: var(--neutral-800);
    font-size: 0.9375rem;
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--neutral-100);
}

.servico-lista li:last-child {
    border-bottom: none;
}

.servico-lista i {
    color: var(--success);
    font-size: 0.875rem;
    flex-shrink: 0;
    min-width: 16px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--primary-600);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    margin-top: var(--space-md);
    transition: all var(--transition-fast);
    width: fit-content;
}

.service-link:hover,
.service-link:focus {
    gap: var(--space-sm);
    color: var(--primary-700);
    outline: none;
}

/* 12. PLANOS COM CONTRASTE APRIMORADO */
.produtos-section {
    background: var(--neutral-50);
    position: relative;
    overflow: hidden;
}

.pricing-toggle-container {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-sm);
    margin-top: var(--space-lg);
    border: 1px solid var(--neutral-300);
}

.toggle-switch {
    position: relative;
    width: 3.5rem;
    height: 1.75rem;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--neutral-300);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 1.25rem;
    width: 1.25rem;
    left: 0.25rem;
    bottom: 0.25rem;
    background: white;
    border-radius: 50%;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

input:checked + .toggle-slider {
    background: var(--gradient-primary);
}

input:checked + .toggle-slider:before {
    transform: translateX(1.75rem);
}

.produtos-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

@media (min-width: 768px) {
    .produtos-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
}

.produto-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 2px solid var(--neutral-200);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
}

.produto-card.featured {
    border-color: var(--primary-500);
    box-shadow: var(--shadow-lg);
    transform: scale(1);
}

@media (min-width: 768px) {
    .produto-card.featured {
        transform: scale(1.02);
    }
}

.produto-card.featured::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.produto-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-500);
}

.produto-card.featured:hover {
    transform: scale(1.02) translateY(-8px);
}

.produto-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: var(--gradient-accent);
    color: var(--neutral-900);
    padding: var(--space-3xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-sm);
}

.produto-header {
    text-align: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--neutral-200);
}

.produto-header h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    color: var(--neutral-900);
}

.produto-price {
    margin: var(--space-md) 0;
}

.produto-price .price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--neutral-900);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0.125rem;
    line-height: 1;
}

.produto-price .price strong {
    color: var(--primary-600);
    font-size: 3rem;
}

.produto-price .period {
    font-size: 1rem;
    color: var(--neutral-600);
    margin-left: var(--space-3xs);
    align-self: flex-end;
    margin-bottom: 0.5rem;
}

.produto-desc {
    color: var(--neutral-600);
    font-size: 0.9375rem;
    margin-top: var(--space-xs);
}

.produto-body {
    margin-bottom: var(--space-xl);
    flex: 1;
}

.produto-features {
    list-style: none;
    margin: 0;
    padding: 0;
}

.produto-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: var(--neutral-700);
    font-size: 0.9375rem;
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--neutral-100);
}

.produto-features li:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.produto-features .fa-check {
    color: var(--success);
    font-size: 0.875rem;
    flex-shrink: 0;
    min-width: 16px;
}

.produto-features .fa-times {
    color: var(--neutral-400);
    font-size: 0.875rem;
    flex-shrink: 0;
    min-width: 16px;
}

.produto-footer {
    margin-top: auto;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--neutral-200);
}

.plano-personalizado {
    background: var(--gradient-light);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-top: var(--space-2xl);
    border: 1px solid var(--neutral-200);
}

.personalizado-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    text-align: center;
}

@media (min-width: 640px) {
    .personalizado-content {
        flex-direction: row;
        text-align: left;
    }
}

.personalizado-content i {
    font-size: 2rem;
    color: var(--primary-600);
    flex-shrink: 0;
}

.personalizado-content h4 {
    color: var(--neutral-900);
    margin-bottom: var(--space-2xs);
}

.personalizado-content p {
    color: var(--neutral-700);
    margin-bottom: 0;
}

/* 13. BENEFÍCIOS COM ALTO CONTRASTE */
.beneficios-section {
    background: white;
}

.beneficios-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 640px) {
    .beneficios-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

.beneficio-card {
    text-align: center;
    padding: var(--space-xl);
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition-normal);
    height: 100%;
    box-shadow: var(--shadow-sm);
}

.beneficio-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.beneficio-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto var(--space-lg);
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.beneficio-card:hover .beneficio-icon {
    transform: scale(1.1) rotate(15deg);
    box-shadow: var(--shadow-lg);
}

.beneficio-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--neutral-900);
}

.beneficio-card p {
    color: var(--neutral-700);
    line-height: 1.7;
    margin-bottom: 0;
}

/* 14. AVALIAÇÕES COM CONTRASTE PERFEITO */
.avaliacoes-section {
    background: var(--neutral-50);
    position: relative;
}

.avaliacoes-slider {
    position: relative;
    max-width: 48rem;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.avaliacao-card {
    display: none;
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--neutral-200);
    animation: fadeIn 0.5s ease-out;
}

.avaliacao-card.active {
    display: block;
}

.avaliacao-content {
    position: relative;
    margin-bottom: var(--space-lg);
}

.avaliacao-content p {
    font-size: 1.125rem;
    color: var(--neutral-800);
    line-height: 1.8;
    font-style: italic;
    position: relative;
    padding-left: var(--space-xl);
    margin-bottom: 0;
}

.avaliacao-content p::before {
    content: '"';
    position: absolute;
    top: -1.5rem;
    left: 0;
    font-size: 4rem;
    color: var(--primary-500);
    opacity: 0.2;
    font-family: var(--font-heading);
    font-weight: 900;
    line-height: 1;
}

.avaliacao-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--neutral-200);
}

.author-avatar {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.author-info h4 {
    font-size: 1rem;
    margin-bottom: var(--space-3xs);
    color: var(--neutral-900);
}

.author-info span {
    font-size: 0.875rem;
    color: var(--neutral-600);
    display: block;
    margin-bottom: var(--space-xs);
}

.rating {
    display: flex;
    gap: 0.125rem;
}

.rating i {
    color: var(--accent);
    font-size: 0.875rem;
}

.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.slider-prev,
.slider-next {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    background: white;
    border: 1px solid var(--neutral-300);
    color: var(--neutral-700);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    -webkit-appearance: none;
    touch-action: manipulation;
    min-height: 48px;
    min-width: 48px;
}

.slider-prev:hover,
.slider-next:hover,
.slider-prev:focus,
.slider-next:focus {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
    outline: none;
}

/* 15. CONTATO COM ALTO CONTRASTE */
.contato-section {
    background: var(--gradient-dark);
    color: white;
    position: relative;
    overflow: hidden;
}

.contato-section .section-title,
.contato-section .section-subtitle {
    color: white;
}

.contato-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    position: relative;
}

@media (min-width: 768px) {
    .contato-content {
        grid-template-columns: 1fr 1fr;
    }
}

.contato-form {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    color: white;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
    resize: vertical;
    -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    background: rgba(255, 255, 255, 0.2);
}

.form-group textarea {
    min-height: 10rem;
}

.contato-info {
    padding: var(--space-md) 0;
}

.contato-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-xl);
    color: white;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all var(--transition-normal);
}

.info-item:hover,
.info-item:focus-within {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateX(4px);
}

.info-icon {
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.info-content h4 {
    font-size: 1rem;
    color: white;
    margin-bottom: var(--space-3xs);
}

.info-content p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-sm);
    line-height: 1.6;
}

.info-content .btn {
    margin-top: var(--space-xs);
}

/* 16. FOOTER COM ALTO CONTRASTE */
.footer {
    background: var(--neutral-900);
    color: var(--neutral-400);
    padding: var(--space-3xl) 0 var(--space-xl);
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

@media (min-width: 640px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-col {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.footer-logo-img {
    height: 2rem;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: white;
}

.footer-col p {
    color: var(--neutral-400);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    font-size: 0.9375rem;
}

.social-links {
    display: flex;
    gap: var(--space-sm);
    margin-top: auto;
}

.social-links a {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-400);
    text-decoration: none;
    transition: all var(--transition-fast);
    -webkit-appearance: none;
    touch-action: manipulation;
    min-height: 40px;
    min-width: 40px;
}

.social-links a:hover,
.social-links a:focus {
    background: var(--primary-600);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    outline: none;
}

.footer-col h3 {
    font-size: 1rem;
    color: white;
    margin-bottom: var(--space-lg);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: var(--space-sm);
}

.footer-col ul li a {
    color: var(--neutral-400);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 0.9375rem;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-2xs) 0;
}

.footer-col ul li a:hover,
.footer-col ul li a:focus {
    color: white;
    transform: translateX(4px);
    outline: none;
}

.footer-col ul li a::before {
    content: '→';
    opacity: 0;
    transition: opacity var(--transition-fast);
    font-size: 0.875rem;
}

.footer-col ul li a:hover::before,
.footer-col ul li a:focus::before {
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-xl);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.footer-bottom p {
    color: var(--neutral-500);
    font-size: 0.875rem;
    margin-bottom: 0;
    line-height: 1.5;
}

.footer-bottom .fa-heart {
    color: #ef4444;
    margin: 0 var(--space-3xs);
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* 17. OTIMIZAÇÕES ESPECÍFICAS PARA ANDROID/IOS */
@supports (-webkit-touch-callout: none) {
    /* iOS specific styles */
    .header-fixo {
        -webkit-backdrop-filter: blur(20px);
    }
    
    .contato-form {
        -webkit-backdrop-filter: blur(20px);
    }
    
    input, textarea, button {
        font-size: 16px !important; /* Prevents zoom on iOS */
    }
}

@media (hover: none) and (pointer: coarse) {
    /* Touch device optimizations */
    .btn, .nav-link, .control-prev, .control-next, .slider-prev, .slider-next, .dot, .social-links a {
        min-height: 44px;
        min-width: 44px;
    }
    
    .servico-card:hover, .beneficio-card:hover, .produto-card:hover {
        transform: none;
    }
    
    .servico-card:active, .beneficio-card:active, .produto-card:active {
        transform: translateY(-4px);
    }
    
    .nav-link:active {
        background: var(--primary-50);
    }
}

/* 18. ANIMAÇÕES OTIMIZADAS PARA MOBILE */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .scroll-progress::after {
        animation: none;
    }
    
    .footer-bottom .fa-heart {
        animation: none;
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* 19. UTILITÁRIOS MOBILE */
.text-center-mobile {
    text-align: center;
}

@media (min-width: 768px) {
    .text-center-mobile {
        text-align: left;
    }
}

.hide-mobile {
    display: none;
}

@media (min-width: 768px) {
    .hide-mobile {
        display: block;
    }
}

.show-mobile {
    display: block;
}

@media (min-width: 768px) {
    .show-mobile {
        display: none;
    }
}

/* 20. SCROLLBAR CUSTOM MOBILE-FRIENDLY */
@media (min-width: 768px) {
    ::-webkit-scrollbar {
        width: 10px;
        height: 10px;
    }
    
    ::-webkit-scrollbar-track {
        background: var(--neutral-100);
        border-radius: var(--radius-full);
    }
    
    ::-webkit-scrollbar-thumb {
        background: var(--gradient-primary);
        border-radius: var(--radius-full);
        border: 2px solid var(--neutral-100);
    }
    
    ::-webkit-scrollbar-thumb:hover {
        background: var(--primary-700);
    }
}

/* 21. SELECTION STYLES */
::selection {
    background: rgba(59, 130, 246, 0.2);
    color: var(--neutral-900);
}

::-moz-selection {
    background: rgba(59, 130, 246, 0.2);
    color: var(--neutral-900);
}

/* 22. FOCUS STYLES PARA ACESSIBILIDADE */
:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
    border-radius: var(--radius-xs);
}

/* 23. RESPONSIVIDADE EXTREMA */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .nav-main {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 320px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 5rem var(--space-xl) var(--space-xl);
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: var(--z-modal);
        box-shadow: var(--shadow-2xl);
        border-left: 1px solid var(--neutral-200);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .nav-main.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-xs);
        width: 100%;
    }
    
    .nav-link {
        padding: var(--space-sm) var(--space-md);
        font-size: 1rem;
        border-radius: var(--radius-md);
        text-align: left;
        justify-content: flex-start;
    }
    
    .nav-buttons {
        margin-left: 0;
        margin-top: var(--space-xl);
        flex-direction: column;
        width: 100%;
    }
    
    .banner-section {
        min-height: 90vh;
        margin-top: 4rem;
        padding: var(--space-xl) 0;
    }
    
    .slide-content {
        padding: var(--space-lg);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-sm);
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .banner-controls {
        bottom: var(--space-lg);
        gap: var(--space-lg);
    }
    
    .section {
        padding: var(--space-2xl) 0;
    }
    
    .sobre-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .pricing-toggle-container {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .banner-title {
        font-size: clamp(1.75rem, 5vw, 2.5rem);
    }
}

@media (max-width: 480px) {
    .sobre-stats {
        grid-template-columns: 1fr;
    }
    
    .stat {
        padding: var(--space-sm);
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .servico-card,
    .beneficio-card,
    .produto-card {
        padding: var(--space-lg);
    }
    
    .personalizado-content {
        text-align: center;
    }
    
    .personalizado-content .btn {
        width: 100%;
    }
    
    .footer-bottom {
        text-align: center;
    }
    
    .footer-bottom p {
        font-size: 0.8125rem;
    }
}

/* 24. OTIMIZAÇÕES DE PERFORMANCE */
@media (prefers-contrast: high) {
    :root {
        --neutral-50: #ffffff;
        --neutral-100: #ffffff;
        --neutral-200: #000000;
        --neutral-300: #000000;
        --neutral-400: #000000;
        --neutral-500: #000000;
        --neutral-600: #000000;
        --neutral-700: #000000;
        --neutral-800: #000000;
        --neutral-900: #000000;
        --neutral-950: #000000;
    }
    
    .btn-primary,
    .btn-cta,
    .btn-secondary {
        border: 2px solid #000000;
    }
    
    .nav-link {
        font-weight: 700;
    }
}

/* 25. PRINT STYLES */
@media print {
    .header-fixo,
    .banner-controls,
    .btn,
    .footer,
    .scroll-progress,
    .menu-toggle,
    .hero-actions .btn-secondary,
    .social-links,
    .plano-personalizado .btn {
        display: none !important;
    }
    
    body {
        color: #000000 !important;
        background: #ffffff !important;
        font-size: 12pt !important;
    }
    
    .container {
        max-width: 100% !important;
        padding: 0 !important;
    }
    
    .section {
        padding: 1rem 0 !important;
        page-break-inside: avoid;
    }
    
    a {
        color: #000000 !important;
        text-decoration: underline !important;
    }
    
    .servico-card,
    .beneficio-card,
    .produto-card,
    .avaliacao-card {
        box-shadow: none !important;
        border: 1px solid #000000 !important;
        break-inside: avoid;
    }
    
    .text-gradient {
        color: #000000 !important;
        background: none !important;
        -webkit-text-fill-color: #000000 !important;
    }
}

/* 26. FALLBACKS PARA BROWSERS ANTIGOS */
@supports not (backdrop-filter: blur(20px)) {
    .header-fixo {
        background: rgba(255, 255, 255, 0.98);
    }
    
    .contato-form {
        background: rgba(0, 0, 0, 0.3);
    }
    
    .nav-main {
        background: rgba(255, 255, 255, 0.98);
    }
}

/* 27. LOADING STATES */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid var(--neutral-300);
    border-top-color: var(--primary-600);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 28. IMAGE OPTIMIZATIONS */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 29. FORM VALIDATION STYLES */
input:invalid,
textarea:invalid {
    border-color: var(--error);
}

input:valid,
textarea:valid {
    border-color: var(--success);
}

.error-message {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: var(--space-2xs);
    display: none;
}

input:invalid + .error-message,
textarea:invalid + .error-message {
    display: block;
}

/* 30. ACCESSIBILITY IMPROVEMENTS */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-600);
    color: white;
    padding: var(--space-sm);
    z-index: var(--z-toast);
    text-decoration: none;
    border-radius: var(--radius-sm);
}

.skip-link:focus {
    top: var(--space-sm);
}

/* Logo mini na navegação */
.logo-nav {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-logo-mini {
    height: 1.25rem;
    width: auto;
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(210deg) brightness(104%) contrast(97%);
    transition: transform var(--transition-normal);
}

.logo-nav:hover .nav-logo-mini {
    transform: rotate(15deg) scale(1.1);
}

.logo-nav.active .nav-logo-mini {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.hide-on-mobile {
    display: inline;
}

@media (max-width: 768px) {
    .hide-on-mobile {
        display: none;
    }
    
    .logo-nav {
        padding: var(--space-sm);
        justify-content: center;
        min-width: 44px;
    }
}