:root {
    /* Theme Colors - Light Mode */
    /* Paleta de cores */
    --color-primary: #0074FF;      /* Azul Elétrico */
    --color-secondary: #1B1F24;    /* Cinza Chumbo */
    --color-accent: #FFD700;       /* Amarelo Relâmpago */
    --color-neutral: #F5F5F5;      /* Branco Gelo */
    --color-complementary: #00264D; /* Azul Escuro */
    
    /* Variações */
    --color-primary-light: #3391FF;
    --color-primary-dark: #005ACC;
    --color-text: #1B1F24;
    --color-text-light: #F5F5F5;
    --color-background: #FFFFFF;
    
    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    
    /* Border radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
}

/* Dark Mode Colors */
:root.dark-mode {
    --color-primary: #3391FF;      /* Azul Elétrico mais claro */
    --color-secondary: #2A2F36;    /* Cinza Chumbo mais escuro */
    --color-accent: #FFE44D;       /* Amarelo Relâmpago mais claro */
    --color-neutral: #1A1A1A;      /* Fundo escuro */
    --color-complementary: #004C99; /* Azul Escuro ajustado */
    --color-text: #F5F5F5;         /* Texto claro */
    --color-text-light: #FFFFFF;   /* Texto mais claro */
    --color-background: #121212;   /* Fundo muito escuro */
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid transparent;
    color: white;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    border-color: var(--color-accent);
}

.theme-toggle i {
    font-size: 1.4rem;
    transition: transform 0.3s ease;
}

.theme-toggle:hover i {
    transform: rotate(-10deg);
}

/* Tooltip Styles */
.tooltip {
    position: fixed;
    display: none;
    background: var(--color-primary);
    color: white;
    padding: 10px 16px;
    border-radius: var(--border-radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    pointer-events: none;
    max-width: 280px;
    text-align: center;
    line-height: 1.4;
    transform: translateY(0);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.tooltip::after {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 0 6px 6px 6px;
    border-style: solid;
    border-color: transparent transparent var(--color-primary) transparent;
}

.tooltip.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* Dark Mode Transitions */
body, section, .header, .footer, .card, button, a, .tooltip, .theme-toggle {
    transition: all 0.3s ease;
}

/* Dark Mode Specific Styles */
.dark-mode {
    --color-card-bg: var(--color-secondary);
    --color-card-text: var(--color-text-light);
}

.dark-mode table {
    background: white;
}

.dark-mode td {
    color: var(--color-secondary);
    background: white;
}

.dark-mode th {
    background-color: var(--color-primary);
    color: white;
}

.dark-mode .theme-toggle {
    background: var(--color-accent);
    color: var(--color-secondary);
}

.dark-mode .solution-card,
.dark-mode .feature-card,
.dark-mode .benefit-card,
.dark-mode .testimonial-card,
.dark-mode .pricing-card,
.dark-mode .faq-item {
    background: var(--color-card-bg);
    color: var(--color-card-text);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.dark-mode .discount {
    background-color: rgba(51, 145, 255, 0.15);
    background-image: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.dark-mode .solution-card:hover,
.dark-mode .feature-card:hover,
.dark-mode .benefit-card:hover {
    box-shadow: 0 8px 30px rgba(0, 116, 255, 0.3);
}

.dark-mode .tooltip {
    background: var(--color-accent);
    color: var(--color-secondary);
}

.dark-mode .tooltip::after {
    border-color: transparent transparent var(--color-accent) transparent;
}

.dark-mode .hero {
    background: linear-gradient(135deg, var(--color-neutral), var(--color-background));
}

.dark-mode .nav-menu a {
    color: var(--color-secondary);
    font-weight: 600;
}

.dark-mode .nav-menu a:hover {
    color: var(--color-accent);
}

/* Reset e Estilos Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
}

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

h1 {
    font-size: 3.5rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

h2 {
    font-size: 2.5rem;
    color: var(--color-complementary);
}

h3 {
    font-size: 1.75rem;
}

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

/* Header e Navegação */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.logo-icon {
    font-size: 1.2em;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo-icon i {
    background: inherit;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Botões */
.cta-button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    border: none;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: var(--color-accent);
    color: var(--color-secondary);
    min-width: 180px;
    text-align: center;
    text-decoration: none;
}

.cta-button.primary {
    background-color: var(--color-accent);
    color: var(--color-secondary);
}

.cta-button.primary:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
    filter: brightness(1.1);
}

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

.cta-button.secondary:hover {
    background-color: var(--color-primary);
    color: white;
}

.cta-button.large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.2rem;
    min-width: 240px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--color-neutral), white);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    text-align: center;
    padding: var(--spacing-xl) 0;
}

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

/* Cards e Grids */
.solutions-grid,
.features-grid,
.benefits-grid,
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.solution-card,
.feature-card,
.benefit-card,
.testimonial-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.solution-card:hover,
.feature-card:hover,
.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 116, 255, 0.15);
}

/* Benefit Icons */
.benefit-image {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-neutral);
    border-radius: 50%;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.benefit-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255,255,255,0.2) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.benefit-card:hover .benefit-image::before {
    opacity: 1;
}

.benefit-icon {
    width: 50px;
    height: 50px;
    color: var(--color-primary);
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.benefit-card:hover .benefit-image {
    background: var(--color-primary);
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 20px rgba(0, 116, 255, 0.2);
}

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

/* Dark Mode Benefit Cards */
.dark-mode .benefit-image {
    background: var(--color-secondary);
}

.dark-mode .benefit-card:hover .benefit-image {
    background: var(--color-accent);
}

.dark-mode .benefit-icon {
    color: var(--color-accent);
}

.dark-mode .benefit-card:hover .benefit-icon {
    color: var(--color-secondary);
}

/* Seções */
section {
    padding: var(--spacing-xl) var(--spacing-md);
}

section h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

/* Tabela Comparativa */
.comparison-table {
    max-width: 900px;
    margin: 0 auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

th, td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-neutral);
}

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

@media (max-width: 768px) {
    table {
        display: block;
    }
    
    th {
        display: none;
    }
    
    tr {
        display: block;
        margin-bottom: var(--spacing-md);
        background: white;
        border-radius: var(--border-radius-md);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    td {
        display: flex;
        padding: var(--spacing-sm) var(--spacing-md);
        border: none;
        color: var(--color-secondary);
    }
    
    td:first-child {
        font-weight: bold;
        background: var(--color-primary);
        color: white;
        border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
    }
    
    td:nth-child(2), td:nth-child(3) {
        justify-content: space-between;
        background: white;
    }
    
    td:nth-child(2)::before {
        content: "WaThor:";
        font-weight: 600;
        margin-right: var(--spacing-md);
        color: var(--color-secondary);
    }
    
    td:nth-child(3)::before {
        content: "Outras:";
        font-weight: 600;
        margin-right: var(--spacing-md);
        color: var(--color-secondary);
    }

    .dark-mode td {
        color: var(--color-secondary);
        background: white;
    }

    .dark-mode td:first-child {
        background: var(--color-primary);
        color: white;
    }
}

/* Planos de Preço */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.pricing-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.pricing-card.featured {
    transform: scale(1.05);
    border: 2px solid var(--color-primary);
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.installments {
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.discount {
    position: relative;
    display: inline-block;
    font-size: 1rem;
    color: var(--color-text);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    z-index: 1;
}

.discount {
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--border-radius-sm);
    transition: all 0.3s ease;
    background-color: rgba(0, 116, 255, 0.1);
    background-image: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.discount:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

.price-discount {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.period {
    color: var(--color-text);
    opacity: 0.7;
    margin-bottom: var(--spacing-lg);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.pricing-card ul {
    list-style: none;
    margin: var(--spacing-lg) 0;
}

.pricing-card li {
    margin-bottom: var(--spacing-sm);
}

/* Aviso de Licença */
.license-notice {
    font-size: 0.9rem;
    color: var(--color-text);
    opacity: 0.8;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-neutral);
}

/* FAQ */
.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.faq-item h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

/* CTA Final */
.final-cta {
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-complementary));
    color: white;
    padding: var(--spacing-xl) var(--spacing-md);
}

.final-cta h2,
.final-cta p {
    color: white;
}

/* Footer */
.footer {
    background-color: var(--color-secondary);
    color: var(--color-text-light);
    padding: var(--spacing-xl) var(--spacing-md);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

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

.footer-column a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

/* Menu Mobile */
.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.menu-icon {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-primary);
    position: relative;
    transition: background-color 0.3s;
}

.menu-icon::before,
.menu-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transition: transform 0.3s;
}

.menu-icon::before {
    top: -8px;
}

.menu-icon::after {
    bottom: -8px;
}

.mobile-menu-button.active .menu-icon {
    background-color: transparent;
}

.mobile-menu-button.active .menu-icon::before {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-button.active .menu-icon::after {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Responsividade */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
        padding: 0 var(--spacing-md);
    }

    h2 {
        font-size: 2rem;
        padding: 0 var(--spacing-md);
    }

    .hero-content {
        padding: calc(var(--spacing-xl) + 80px) var(--spacing-md) var(--spacing-xl);
    }

    section {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .solutions-grid,
    .features-grid,
    .benefits-grid,
    .testimonials-grid {
        padding: 0;
    }

    .cta-button {
        display: block;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1.1rem;
        width: 100%;
        max-width: 320px;
        margin: 10px auto;
        text-align: center;
        box-sizing: border-box;
    }
    
    .pricing-card .cta-button {
        width: 80%;
        min-width: 200px;
        max-width: 280px;
        padding: var(--spacing-md) var(--spacing-md);
        margin: var(--spacing-md) auto;
        font-size: 1rem;
    }

    .cta-button.large {
        padding: var(--spacing-lg) var(--spacing-xl);
        font-size: 1.2rem;
    }

    .mobile-menu-button {
        display: block;
    }

    .nav-container {
        flex-wrap: wrap;
        justify-content: space-between;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: var(--spacing-md);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
        width: 100%;
        z-index: 1001;
    }

    .nav-menu a {
        width: 100%;
        text-align: center;
        padding: var(--spacing-sm) 0;
        display: block;
    }

    .nav-menu.active {
        display: flex;
    }
    
    .header .cta-button {
        margin: var(--spacing-sm) auto;
        font-size: 0.9rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: none;
    }

    .solutions-grid,
    .features-grid,
    .benefits-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        padding: var(--spacing-md);
    }

    .comparison-table {
        margin: 0 var(--spacing-md);
    }
}

/* WhatsApp Button */
.whatsapp-button {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25D366;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-button i {
    font-size: 2rem;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: #25D366;
    color: white;
    padding: 8px 16px;
    border-radius: var(--border-radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.whatsapp-button:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(-10px);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

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

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}