/* ============================================
   RESET E VARIÁVEIS GLOBAIS
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores */
    --primary: #00B1B0;
    --primary-dark: #008B8A;
    --primary-light: #E0F7F6;
    --dark: #1A237E;
    --dark-light: #2C3E7F;
    --gray-light: #F5F5F5;
    --gray-lighter: #FAFAFA;
    --gray-medium: #E8E8E8;
    --gray-dark: #666666;
    --text-primary: #15202B;
    --text-secondary: #657786;
    --white: #FFFFFF;
    --border-color: #E1E8ED;
    
    /* Tipografia */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Lato', sans-serif;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Raio de borda */
    --radius: 8px;
    --radius-lg: 12px;
}

/* ============================================
   TIPOGRAFIA GLOBAL
   ============================================ */

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background-color: var(--white);
    line-height: 1.6;
    font-size: 16px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* ============================================
   CONTAINER E LAYOUT
   ============================================ */

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   HEADER
   ============================================ */

.header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    display: none;
}

@media (min-width: 640px) {
    .logo-text {
        display: inline;
    }
}

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

@media (min-width: 768px) {
    .nav {
        display: flex;
    }
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    background: linear-gradient(135deg, var(--gray-lighter) 0%, var(--primary-light) 100%);
    padding: var(--spacing-2xl) var(--spacing-md);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
}

.highlight {
    color: var(--primary);
    font-weight: 700;
}

/* Cupom Box */
.cupom-box {
    background-color: var(--white);
    border: 2px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
}

.cupom-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.cupom-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cupom-code {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    font-family: 'Courier New', monospace;
    letter-spacing: 2px;
}

.btn-copy {
    background-color: var(--primary);
    color: var(--white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: background-color 0.3s ease;
    font-family: var(--font-heading);
}

.btn-copy:hover {
    background-color: var(--primary-dark);
}

.copy-icon {
    font-size: 1.2rem;
}

.copy-text {
    display: none;
}

@media (min-width: 480px) {
    .copy-text {
        display: inline;
    }
}

/* Botões */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius);
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: var(--font-heading);
}

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

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

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

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

/* Trust Badges */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-top: var(--spacing-2xl);
}

.badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.badge-icon {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.2rem;
}

/* ============================================
   SEÇÃO DE PRODUTOS
   ============================================ */

.produtos {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.produtos-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
    .produtos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .produtos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Produto Card */
.produto-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.produto-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.produto-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.produto-icon {
    font-size: 2rem;
}

.desconto-badge {
    background-color: var(--primary-light);
    color: var(--primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

.produto-nome {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.produto-descricao {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.produto-preco {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.preco-original {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: line-through;
}

.preco-final {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

/* Bonus Box */
.bonus-box {
    background-color: rgba(0, 177, 176, 0.05);
    border: 1px solid rgba(0, 177, 176, 0.2);
    border-radius: var(--radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.bonus-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.bonus-text {
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* Info Box */
.info-box {
    background-color: var(--gray-lighter);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border-left: 4px solid var(--primary);
}

.info-box p {
    margin: 0;
}

/* ============================================
   SEÇÃO COMO USAR
   ============================================ */

.como-usar {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--gray-lighter);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.step {
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0 auto var(--spacing-md);
}

.step-title {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ============================================
   SEÇÃO FAQ
   ============================================ */

.faq {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--white);
}

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

@media (min-width: 768px) {
    .faq-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.faq-item {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.faq-answer {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0;
}

/* ============================================
   SEÇÃO CTA FINAL
   ============================================ */

.final-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-2xl) var(--spacing-md);
    color: var(--white);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) var(--spacing-md);
}

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

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.footer-section p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

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

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

.footer-section a {
    color: var(--primary);
    font-size: 0.9rem;
}

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

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: var(--spacing-xs) 0;
}

/* ============================================
   RESPONSIVIDADE MOBILE
   ============================================ */

@media (max-width: 640px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .cupom-code {
        font-size: 1.8rem;
    }

    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

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

    .produtos,
    .como-usar,
    .faq,
    .final-cta {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .nav {
        display: none;
    }
}

/* ============================================
   ANIMAÇÕES
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.produto-card,
.faq-item,
.step {
    animation: fadeIn 0.5s ease-out;
}

/* ============================================
   ACESSIBILIDADE
   ============================================ */

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

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

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .header,
    .footer,
    .btn,
    .nav {
        display: none;
    }

    body {
        font-size: 12pt;
    }
}