/* ===== VARIÁVEIS CSS - SISTEMA DE CORES UNIVERSAIS ===== */
:root {
    /* Cores Primárias */
    --primary-blue: #1f1f1f;
    --primary-blue-dark: #080808;
    --primary-yellow: #f4cc07; /* amarelo principal */
    
    /* Cores Secundárias */
    --secondary-yellow: #f4cc07;
    --secondary-yellow-dark: #e0b900;
    
    /* Cores de Fundo */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #1f1f1f;
    --bg-blue: #1f1f1f;
    --bg-gradient: linear-gradient(135deg, #1f1f1f 0%, #080808 100%);
    
    /* Cores de Texto */
    --text-primary: #1f1f1f; /* texto padrão em fundos claros */
    --text-secondary: #1f1f1f;
    --text-white: #ffffff;
    --text-muted: #6b7280;

    /* Contrastes específicos (úteis para regras automáticas) */
    --text-on-yellow: #000000; /* quando o fundo for amarelo, texto preto */
    --text-on-dark: #ffffff;   /* quando o fundo for preto, texto branco */
    --text-highlight: #f4cc07; /* destaque amarelo sobre fundos escuros */
    --button-text: #000000; /* texto dos botões (sempre preto) */
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --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);
    
    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Bordas */
    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* Transições */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* Logo: transformação para branco via filtro (se preferir PNG transparente, posso gerar também) */
.hero-logo {
    max-width: 200px;
    margin-bottom: 15px;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ===== UTILITÁRIOS ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* BADGES: quando o fundo é amarelo, texto preto */
.section-badge,
.hero-badge,
.footer-badge {
    display: inline-block;
    background: var(--secondary-yellow);
    color: var(--text-on-yellow); /* texto preto sobre amarelo */
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

/* CTA: sempre texto preto (mesmo que o fundo do botão seja amarelo) */
.cta-button {
    display: inline-block;
    background: var(--secondary-yellow);
    color: var(--button-text) !important; /* garantir texto preto */
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-align: center;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--secondary-yellow);
}

.cta-button:hover {
    background: var(--secondary-yellow-dark);
    border-color: var(--secondary-yellow-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-center {
    text-align: center;
    margin-top: var(--spacing-3xl);
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.logo-img {
    height: 40px;
    width: auto;
}

.nav {
    display: flex;
    gap: var(--spacing-2xl);
}

.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition-normal);
}

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

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--bg-gradient);
    overflow: hidden;
    color: var(--text-on-dark); /* texto branco sobre fundo escuro */
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.12;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

/* Badge no hero: fundo amarelo → texto preto */
.hero-badge {
    display: inline-block;
    background: var(--secondary-yellow);
    color: var(--text-on-yellow);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--text-on-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.hero-cta {
    background: var(--secondary-yellow);
    border-color: var(--secondary-yellow);
    color: var(--button-text) !important;
}

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

.hero-camera {
    max-width: 500px;
    width: 100%;
    height: auto;
    filter: drop-shadow(var(--shadow-xl));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-img {
    width: 100%;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

.about-badge {
    position: absolute;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.badge-text {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.badge-highlight {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--secondary-yellow);
}

/* ===== TESTIMONIALS ===== */
.testimonials p {
    color: var(--primary-blue);
}

.testimonials {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-blue);
    color: var(--primary-yellow); /* texto branco sobre fundo preto */
    text-align: center;
}

.testimonials .section-title {
    color: var(--primary-yellow);
}

.testimonials .section-subtitle {
    color: var(--primary-yellow);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

/* Quando o card do depoimento tem fundo amarelo → texto preto */
.testimonial-card {
    background: var(--secondary-yellow);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: left;
    color: var(--text-on-yellow); /* texto preto sobre amarelo */
}

.testimonials-alt {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.testimonials-alt .testimonial-card {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid #e2e8f0;
}

.stars {
    color: var(--primary-blue);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    font-size: var(--font-size-base);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.testimonial-author {
    font-weight: 600;
    font-size: var(--font-size-sm);
    opacity: 0.95;
    color: var(--primary-blue);
}

/* ===== WHY CHOOSE US ===== */
.why-choose {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.why-choose-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.benefit-card {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.benefit-icon {
    margin-bottom: var(--spacing-lg);
}

.benefit-icon img {
    width: 150px;
    height: 150px;
    margin: 0 auto;
}

.benefit-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.benefit-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== SERVICES ===== */
.services {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.services .section-badge {
    display: block;
    text-align: center;
    margin: 0 auto var(--spacing-lg);
}

.services .section-title {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.service-image {
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-card h3,
.service-card p {
    padding: 0 var(--spacing-lg);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-blue);
    margin: var(--spacing-lg) 0 var(--spacing-md);
    line-height: 1.3;
}

.service-description {
    color: var(--text-secondary);
    line-height: 1.6;
    padding-bottom: var(--spacing-lg);
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
    text-align: center;
    color: var(--text-primary);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--secondary-yellow);
    color: var(--text-on-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0 auto var(--spacing-lg);
}

.step-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== ABOUT US ===== */
.about-us {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-primary);
    text-align: center;
    color: var(--text-primary);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin: var(--spacing-3xl) 0;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--secondary-yellow);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.video-section {
    margin-top: var(--spacing-3xl);
}

.video-title {
    font-size: var(--font-size-2xl);
    color: var(--primary-blue);
    font-weight: 600;
}

/* ===== AI SECTION ===== */
.ai-section {
    padding: var(--spacing-3xl) 0;
    background: #2e2e2e;
    color: var(--text-on-dark);
    text-align: center;
}

.ai-section .section-title {
    color: var(--text-on-dark);
    
}

.ai-section .section-description {
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin: 0 auto 30px;
}

/* ===== CONTACT ===== */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid #d1d5db;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.contact-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-yellow);
    margin: 30px 0 0 0px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-dark);
    color: var(--text-on-dark);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-badge {
    display: inline-block;
    background: var(--secondary-yellow);
    color: var(--text-on-yellow);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-lg);
}

.footer-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.contact-item strong {
    color: var(--text-on-dark);
    font-weight: 600;
}

.locations {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.location h4 {
    color: var(--secondary-yellow);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.location p {
    color: var(--text-muted);
    line-height: 1.5;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: var(--spacing-xl);
    text-align: center;
    color: var(--primary-yellow);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .header .container {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .nav {
        gap: var(--spacing-lg);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .cta-button {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
}

/* ===== ANIMAÇÕES ADICIONAIS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.animate-on-scroll {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-left {
    opacity: 0;
    animation: fadeInLeft 0.6s ease-out forwards;
}

.animate-right {
    opacity: 0;
    animation: fadeInRight 0.6s ease-out forwards;
}

/* Floating WhatsApp Button */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease-in-out;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

.whatsapp-icon {
    width: 35px;
    height: 35px;
    color: #FFF;
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 25px;
    }
    .whatsapp-icon {
        width: 30px;
        height: 30px;
    }
}