/* ===== VARIÁVEIS CSS E TEMA ===== */
:root {
    /* Cores principais - Paleta moderna */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #8b5cf6;
    --color-secondary: #06b6d4;
    --color-accent: #f59e0b;
    --color-danger: #ef4444;
    --color-success: #10b981;

    /* Cores neutras refinadas */
    --color-text: #0f172a;
    --color-text-light: #475569;
    --color-text-muted: #94a3b8;
    --color-bg: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-tertiary: #f1f5f9;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;

    /* Gradientes modernos */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-hero: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);

    /* Sistema de espaçamento */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 3rem;     /* 48px */
    --spacing-3xl: 4rem;     /* 64px */
    --spacing-4xl: 5rem;     /* 80px */
    --spacing-5xl: 6rem;     /* 96px */

    /* Tipografia moderna */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Fira Code', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;

    /* Sistema de sombras sofisticadas */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-colored: 0 8px 25px -8px rgb(99 102 241 / 0.25);

    /* Animações fluidas */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 300ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Breakpoints responsivos */
    --screen-sm: 640px;
    --screen-md: 768px;
    --screen-lg: 1024px;
    --screen-xl: 1280px;
    --screen-2xl: 1536px;

    /* Border radius moderno */
    --radius-xs: 0.25rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.25rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;

    /* Blur effects */
    --blur-sm: 4px;
    --blur-md: 8px;
    --blur-lg: 16px;
}

/* Tema escuro (opcional) */
@media (prefers-color-scheme: dark) {
    :root {
        --color-text: #f9fafb;
        --color-text-light: #d1d5db;
        --color-text-muted: #9ca3af;
        --color-bg: #111827;
        --color-bg-secondary: #1f2937;
        --color-bg-tertiary: #374151;
        --color-border: #374151;
        --color-border-light: #4b5563;
    }
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== LAYOUT CONTAINERS ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
    padding: var(--spacing-sm) 0;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.breadcrumb li {
    display: flex;
    align-items: center;
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    margin: 0 var(--spacing-sm);
    color: var(--color-text-muted);
    font-weight: normal;
    opacity: 0.6;
}

.breadcrumb a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
    padding: var(--spacing-xs) 0;
}

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

.breadcrumb li:last-child {
    color: var(--color-text);
    font-weight: 500;
    opacity: 0.8;
}

/* ===== HEADER E NAVEGAÇÃO ===== */
.site-header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.site-header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    transition: transform var(--transition-fast);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-menu {
    display: none;
    list-style: none;
    gap: var(--spacing-lg);
}

.menu-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.menu-toggle:hover {
    color: var(--color-primary);
}

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
    
    .menu-toggle {
        display: none;
    }
}

.nav-menu a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
    padding: var(--spacing-sm) 0;
}

.nav-menu a:hover {
    color: var(--color-primary);
}

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

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

/* ===== HERO SECTION ===== */
.hero {
    background: var(--gradient-hero);
    color: white;
    padding: var(--spacing-5xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.4;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.1) 100%);
}

.hero .container {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    font-weight: 400;
}

.search-box {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(var(--blur-sm));
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
}

.search-box:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-2xl), var(--shadow-colored);
}

.search-box input {
    flex: 1;
    padding: var(--spacing-lg) var(--spacing-xl);
    border: none;
    font-size: 1.125rem;
    color: var(--color-text);
    background: transparent;
    font-weight: 500;
}

.search-box input::placeholder {
    color: var(--color-text-muted);
    font-weight: 400;
}

.search-box input:focus {
    outline: none;
}

.search-box button {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--gradient-primary);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 1.25rem;
    transition: all var(--transition-base);
    min-width: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-box button:hover {
    background: var(--gradient-accent);
    transform: scale(1.05);
}

/* ===== MAIN CONTENT ===== */
main {
    flex: 1;
    padding: var(--spacing-3xl) 0;
}

/* ===== SECTIONS ===== */
section {
    margin-bottom: var(--spacing-3xl);
}

section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
    position: relative;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* ===== TOOLS GRID ===== */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.tool-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    text-decoration: none;
    color: var(--color-text);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(var(--blur-sm));
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.tool-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.tool-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl), var(--shadow-colored);
    border-color: rgba(99, 102, 241, 0.2);
}

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

.tool-card:hover::after {
    opacity: 1;
}

.tool-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    transition: all var(--transition-bounce);
}

.tool-card:hover .tool-icon {
    transform: scale(1.1) rotate(-5deg);
}

.tool-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.tool-card p {
    color: var(--color-text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

.tool-badge {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--gradient-accent);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-md);
    z-index: 2;
}

/* ===== FEATURES GRID ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--gradient-card);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(var(--blur-sm));
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-xl);
    background: var(--color-bg);
    border-color: rgba(6, 182, 212, 0.2);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    transition: all var(--transition-bounce);
    position: relative;
    z-index: 1;
}

.feature-card:hover .feature-icon {
    transform: scale(1.2) rotate(-10deg);
}

.feature-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    letter-spacing: -0.01em;
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: var(--color-text-light);
    line-height: 1.7;
    font-size: 1rem;
    position: relative;
    z-index: 1;
}

/* ===== STATS SECTION ===== */
.stats-section {
    background: var(--color-bg-secondary);
    padding: var(--spacing-3xl) 0;
    margin: var(--spacing-3xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-lg);
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 1.125rem;
    color: var(--color-text-light);
    font-weight: 500;
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

.footer-column h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-primary);
}

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

.social-links a {
    display: inline-block;
    font-size: 1.5rem;
    transition: transform var(--transition-fast);
}

.social-links a:hover {
    transform: scale(1.2);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-light);
}

/* ===== FERRAMENTA PRINCIPAL ===== */
.tool-container {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    border: 1px solid var(--color-border);
}

.text-input {
    width: 100%;
    min-height: 300px;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
    transition: border-color var(--transition-fast);
    background: var(--color-bg);
    color: var(--color-text);
}

.text-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.text-output {
    width: 100%;
    min-height: 200px;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
    background: var(--color-bg-secondary);
    color: var(--color-text);
    margin-top: var(--spacing-md);
}

.tool-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

/* ===== BOTÕES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-base);
}

.btn:hover::before {
    left: 100%;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--color-bg-secondary);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-border);
    transform: translateY(-1px);
}

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

.btn-success:hover {
    background: #059669;
    transform: translateY(-1px);
}

/* ===== GRID DE ESTATÍSTICAS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-card {
    background: var(--color-bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    transition: transform var(--transition-fast);
    border: 1px solid var(--color-border-light);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

/* ===== CONTEÚDO SEO ===== */
.content-section {
    margin: var(--spacing-2xl) 0;
    line-height: 1.8;
}

.content-section h2 {
    color: var(--color-text);
    font-size: 1.875rem;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-left: var(--spacing-md);
}

.content-section h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 70%;
    background: var(--color-primary);
    border-radius: 2px;
}

.content-section h3 {
    font-size: 1.375rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.content-section p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.content-section ul, .content-section ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.content-section li {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

/* ===== TABELA DE COMPARAÇÃO ===== */
.comparison-table {
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.comparison-table th {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
}

.comparison-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-light);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tr:hover {
    background: var(--color-bg-secondary);
}

/* ===== FAQ SECTION ===== */
.faq-item {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.faq-item h3 {
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.faq-item h3::before {
    content: '❓';
    font-size: 1.25rem;
}

/* ===== ANÚNCIOS ADSENSE ===== */
.ad-container {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    text-align: center;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed var(--color-border);
    position: relative;
}

.ad-container::before {
    content: 'Publicidade';
    position: absolute;
    top: -10px;
    left: 10px;
    font-size: 0.75rem;
    color: var(--color-text-light);
    background: var(--color-bg);
    padding: 0 var(--spacing-xs);
}

/* ===== NOTIFICAÇÕES ===== */
.notification {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition-base);
    z-index: 1000;
    font-weight: 500;
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

.notification-error {
    background: var(--color-danger);
}

.notification-success {
    background: var(--color-secondary);
}

/* ===== ANIMAÇÕES ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(99, 102, 241, 0.6);
    }
}

/* ===== UTILIDADES ===== */
.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;
}

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* ===== RESPONSIVIDADE MOBILE ===== */
@media (max-width: 767px) {
    .hero {
        padding: var(--spacing-3xl) 0;
        min-height: 70vh;
    }

    .hero h1 {
        font-size: clamp(2rem, 8vw, 2.5rem);
        margin-bottom: var(--spacing-md);
    }

    .hero-subtitle {
        font-size: clamp(1rem, 4vw, 1.125rem);
        margin-bottom: var(--spacing-xl);
    }

    .search-box {
        max-width: 100%;
        margin: 0 var(--spacing-md);
        flex-direction: column;
        border-radius: var(--radius-xl);
    }

    .search-box input {
        padding: var(--spacing-md);
        font-size: 1rem;
        border-bottom: 1px solid var(--color-border-light);
    }

    .search-box button {
        padding: var(--spacing-md);
        border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    }

    .tools-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        margin-top: var(--spacing-xl);
    }

    .tool-card {
        padding: var(--spacing-xl);
        border-radius: var(--radius-xl);
    }

    .tool-card:hover {
        transform: translateY(-4px) scale(1.01);
    }

    .tool-icon {
        font-size: 3rem;
        margin-bottom: var(--spacing-md);
    }

    .tool-card h3 {
        font-size: 1.25rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .feature-card {
        padding: var(--spacing-xl);
        border-radius: var(--radius-xl);
    }

    .feature-card:hover {
        transform: translateY(-4px) scale(1.01);
    }

    .feature-icon {
        font-size: 3rem;
        margin-bottom: var(--spacing-md);
    }

    .feature-card h3 {
        font-size: 1.25rem;
    }

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

    .stat-number {
        font-size: 2.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }

    .notification {
        left: var(--spacing-md);
        right: var(--spacing-md);
        bottom: var(--spacing-md);
        font-size: 0.875rem;
    }

    /* Menu mobile aprimorado */
    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(var(--blur-md));
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: var(--spacing-lg);
        transform: translateY(-100%);
        transition: all var(--transition-base);
        box-shadow: var(--shadow-2xl);
        z-index: 1000;
    }

    .nav-menu.active {
        display: flex;
        transform: translateY(0);
    }

    .nav-menu li {
        margin-bottom: var(--spacing-sm);
    }

    .nav-menu a {
        padding: var(--spacing-md) var(--spacing-lg);
        border-radius: var(--radius-lg);
        transition: all var(--transition-base);
        display: block;
        text-align: center;
    }

    .nav-menu a:hover {
        background: var(--color-bg-secondary);
        transform: scale(1.02);
    }

    /* Contêineres responsivos */
    .container {
        padding: 0 var(--spacing-md);
    }

    section {
        margin-bottom: var(--spacing-2xl);
    }

    section h2 {
        font-size: 2rem;
        margin-bottom: var(--spacing-lg);
    }

    main {
        padding: var(--spacing-2xl) 0;
    }
}

/* Tablet breakpoint */
@media (min-width: 768px) and (max-width: 1023px) {
    .hero {
        padding: var(--spacing-4xl) 0;
    }

    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Large screens */
@media (min-width: 1024px) {
    .tools-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===== SEO CONTENT SECTION ===== */
.seo-content {
    background: var(--color-bg-secondary);
    padding: var(--spacing-4xl) 0;
    margin: var(--spacing-3xl) 0;
}

.seo-content h2 {
    text-align: center;
    color: var(--color-text);
    margin-bottom: var(--spacing-3xl);
    font-size: 2.5rem;
    font-weight: 800;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.content-block {
    background: var(--color-bg);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.content-block h3 {
    color: var(--color-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.content-block h3:before {
    content: '▶';
    color: var(--color-secondary);
    font-size: 0.8em;
}

.content-block p {
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.feature-list, .target-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-lg) 0;
}

.feature-list li, .target-list li {
    padding: var(--spacing-sm) 0;
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-light);
    line-height: 1.6;
}

.feature-list li:last-child, .target-list li:last-child {
    border-bottom: none;
}

.feature-list li strong, .target-list li strong {
    color: var(--color-text);
    font-weight: 600;
}

.cta-section {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-3xl);
    border-radius: var(--radius-2xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.cta-section h3 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
}

.cta-section p {
    font-size: 1.25rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .content-block {
        padding: var(--spacing-xl);
    }

    .seo-content h2 {
        font-size: 2rem;
    }

    .cta-section {
        padding: var(--spacing-2xl);
    }

    .cta-section h3 {
        font-size: 1.5rem;
    }

    .cta-section p {
        font-size: 1.125rem;
    }
}

/* ===== TOOLS PAGE ===== */
.page-header {
    text-align: center;
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-card);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--spacing-3xl);
    border: 1px solid var(--color-border);
}

.page-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.page-description {
    font-size: 1.25rem;
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.7;
}

.tools-categories {
    margin-bottom: var(--spacing-3xl);
}

.tools-categories h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-size: 2rem;
    color: var(--color-text);
}

.category-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.filter-btn.active {
    background: var(--gradient-primary);
    border-color: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-colored);
}

.all-tools {
    margin-bottom: var(--spacing-4xl);
}

.tool-stats {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    font-size: 0.75rem;
    font-weight: 500;
}

.tool-stats span {
    background: var(--color-bg-secondary);
    color: var(--color-text-muted);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-light);
}

.tool-card:hover .tool-stats span {
    background: var(--color-bg);
    color: var(--color-text);
    border-color: var(--color-border);
}

.tool-badge.popular {
    background: var(--gradient-accent);
}

.coming-soon {
    opacity: 0.7;
    position: relative;
    cursor: not-allowed;
}

.coming-soon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255, 255, 255, 0.1) 10px,
        rgba(255, 255, 255, 0.1) 20px
    );
    border-radius: inherit;
    pointer-events: none;
}

.coming-soon .tool-badge {
    background: var(--color-text-muted);
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-2xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    margin: var(--spacing-xl) 0;
}

.no-results-content h3 {
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.no-results-content p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
}

/* Mobile optimizations for tools page */
@media (max-width: 767px) {
    .page-header {
        padding: var(--spacing-2xl) var(--spacing-md);
        margin-bottom: var(--spacing-2xl);
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .page-description {
        font-size: 1.125rem;
    }

    .category-filters {
        gap: var(--spacing-xs);
    }

    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.75rem;
    }

    .tools-categories h2 {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-lg);
    }

    .tool-stats {
        flex-wrap: wrap;
    }

    .tool-stats span {
        font-size: 0.6875rem;
    }

    .no-results {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
}

/* ===== LEGAL DOCUMENTS ===== */
.legal-document {
    max-width: 900px;
    margin: 0 auto;
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.document-header {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-3xl);
    text-align: center;
}

.document-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.document-meta {
    opacity: 0.9;
    font-size: 1rem;
    line-height: 1.6;
}

.lgpd-badge, .cookie-controls {
    margin-top: var(--spacing-lg);
}

.lgpd-badge span, .cookie-controls .btn {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    backdrop-filter: blur(var(--blur-sm));
}

.document-content {
    padding: var(--spacing-3xl);
    line-height: 1.8;
}

.document-content h2 {
    color: var(--color-primary);
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border-light);
}

.document-content h3 {
    color: var(--color-text);
    font-size: 1.375rem;
    font-weight: 600;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.document-content h4 {
    color: var(--color-text);
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.document-content p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.document-content ul, .document-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.document-content li {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-light);
}

.document-content strong {
    color: var(--color-text);
    font-weight: 600;
}

/* Elementos especiais dos documentos legais */
.privacy-summary, .cookie-summary {
    background: var(--color-bg-secondary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    margin-bottom: var(--spacing-2xl);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.summary-item {
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--color-border);
}

.highlight-box {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(245, 158, 11, 0.1) 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-danger);
    margin: var(--spacing-xl) 0;
}

.rights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.right-item {
    background: var(--color-bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

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

.third-party-table table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.third-party-table th {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
}

.third-party-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
}

.third-party-table tr:last-child td {
    border-bottom: none;
}

.document-footer {
    background: var(--color-bg-secondary);
    padding: var(--spacing-2xl);
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.compliance-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.compliance-badges .badge {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.legal-disclaimer {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-style: italic;
    margin-top: var(--spacing-md);
}

/* Estilos específicos para cookies */
.cookie-categories {
    margin: var(--spacing-xl) 0;
}

.cookie-category {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.cookie-category.essential {
    border-color: var(--color-success);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(16, 185, 129, 0.02) 100%);
}

.cookie-category h3 {
    background: var(--color-bg-secondary);
    padding: var(--spacing-lg);
    margin: 0;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 1.25rem;
}

.cookie-details {
    padding: var(--spacing-xl);
}

.cookie-table table {
    width: 100%;
    margin-top: var(--spacing-lg);
    border-collapse: collapse;
    font-size: 0.875rem;
}

.cookie-table th, .cookie-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}

.cookie-table th {
    background: var(--color-bg-tertiary);
    font-weight: 600;
}

/* Mobile optimizations para documentos legais */
@media (max-width: 767px) {
    .document-header {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .document-content {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .summary-grid, .rights-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .third-party-table {
        overflow-x: auto;
    }

    .compliance-badges {
        flex-direction: column;
        align-items: center;
    }

    .document-content h2 {
        font-size: 1.5rem;
    }

    .document-content h3 {
        font-size: 1.25rem;
    }
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    margin: var(--spacing-2xl) 0;
}

.contact-info-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.contact-method {
    background: var(--color-bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.contact-method:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.method-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.contact-method h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.contact-method p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.contact-method a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.contact-method a:hover {
    text-decoration: underline;
}

.contact-method small {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.response-time {
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
}

.response-time h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.response-time ul {
    list-style: none;
    padding: 0;
}

.response-time li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-light);
}

.response-time li:last-child {
    border-bottom: none;
}

/* ===== PRINT STYLES ===== */
@media print {
    .site-header,
    .site-footer,
    .ad-container,
    .tool-actions,
    .feedback-section {
        display: none;
    }
    
    .tool-container {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .hero {
        background: none;
        color: #000;
    }
}

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

/* Focus styles para acessibilidade */
button:focus,
input:focus,
textarea:focus,
a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000;
        --color-text-light: #000;
    }
}

/* ===== ESTILOS DAS PÁGINAS DE FERRAMENTAS ===== */

/* Container da ferramenta */
.tool-page {
    background: var(--color-bg-secondary);
    min-height: 100vh;
    padding: var(--spacing-xl) 0;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

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

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

/* Header da ferramenta */
.tool-header {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-2xl);
}

.tool-icon-large {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    animation: float 3s ease-in-out infinite;
}

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

.tool-header h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.tool-subtitle {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--color-text-light);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Interface da ferramenta */
.tool-interface {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

/* Seções de input/output */
.input-section,
.output-section {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.input-section:hover,
.output-section:hover {
    box-shadow: var(--shadow-lg);
}

.input-section label,
.output-section label {
    display: block;
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

/* Textareas estilizados */
textarea,
#text-input,
#text-output {
    width: 100%;
    min-height: 200px;
    padding: var(--spacing-lg);
    font-size: 1rem;
    font-family: var(--font-mono);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    resize: vertical;
    transition: all var(--transition-base);
}

textarea:focus,
#text-input:focus,
#text-output:focus {
    outline: none;
    border-color: var(--color-primary);
    background: white;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

textarea::placeholder,
#text-input::placeholder,
#text-output::placeholder {
    color: var(--color-text-muted);
}

textarea[readonly],
#text-output[readonly] {
    background: var(--color-bg-tertiary);
    cursor: not-allowed;
}

/* Grupos de botões */
.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    color: white;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    box-shadow: var(--shadow-colored);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px -10px rgba(99, 102, 241, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Seção de opções */
.options-section {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.options-section h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

/* Checkboxes e labels */
.option-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
}

.option-item:hover {
    background: var(--color-bg-tertiary);
}

.option-item input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.option-item label {
    cursor: pointer;
    user-select: none;
}

/* Inputs de formulário */
input[type="text"],
input[type="number"],
select {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    background: white;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* Estatísticas */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-box {
    background: var(--gradient-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-border-light);
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* Conteúdo SEO */
.seo-content {
    background: white;
    padding: var(--spacing-3xl) var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    margin-top: var(--spacing-3xl);
}

.seo-content h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.content-grid {
    display: grid;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.content-block {
    padding: var(--spacing-xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.content-block h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.content-block p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.content-block ul {
    list-style: none;
    padding-left: 0;
}

.content-block ul li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-xl);
    position: relative;
    line-height: 1.8;
}

.content-block ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 700;
}

.feature-list li::before {
    content: "⚡";
}

/* FAQ Section */
.faq-section {
    margin-top: var(--spacing-3xl);
}

.faq-section h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.faq-item {
    padding: var(--spacing-xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border: 2px solid var(--color-border-light);
    transition: var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.faq-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.faq-item p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-light);
}

/* Notificações */
.notification {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    padding: var(--spacing-lg) var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    font-weight: 500;
    z-index: 1000;
    opacity: 0;
    transform: translateY(100px);
    transition: all var(--transition-base);
    max-width: 400px;
}

.notification.show {
    opacity: 1;
    transform: translateY(0);
}

.notification-success {
    border-left: 4px solid var(--color-success);
    color: var(--color-success);
}

.notification-error {
    border-left: 4px solid var(--color-danger);
    color: var(--color-danger);
}

.notification-info {
    border-left: 4px solid var(--color-primary);
    color: var(--color-primary);
}

/* Kbd (atalhos de teclado) */
kbd {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.875rem;
    font-family: var(--font-mono);
    color: var(--color-text);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 0 var(--color-border);
}

/* Responsivo - Mobile */
@media (max-width: 768px) {
    .tool-page {
        padding: var(--spacing-md) 0;
    }

    .tool-header {
        padding: var(--spacing-xl) var(--spacing-md);
        margin-bottom: var(--spacing-xl);
    }

    .tool-icon-large {
        font-size: 3rem;
    }

    .input-section,
    .output-section,
    .options-section {
        padding: var(--spacing-lg);
    }

    textarea,
    #text-input,
    #text-output {
        min-height: 150px;
        padding: var(--spacing-md);
        font-size: 0.9375rem;
    }

    .button-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .options-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .seo-content {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .notification {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        left: var(--spacing-md);
        max-width: none;
    }
}

/* Responsivo - Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
    .options-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Print styles */
@media print {
    .tool-header,
    .button-group,
    .options-section,
    .notification {
        display: none;
    }

    .tool-interface {
        background: white;
        box-shadow: none;
    }
}