:root {
  /* Design System Tokens */
  --color-primary: #FF5722; /* Vibrant Orange for high conversion */
  --color-primary-dark: #E64A19;
  --color-secondary: #212121;
  --color-bg: #FAFAFA;
  --color-surface: #FFFFFF;
  --color-text: #333333;
  --color-text-light: #757575;
  --color-border: #E0E0E0;
  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #128C7E;

  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

ul {
  list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-secondary);
  font-weight: 700;
  line-height: 1.2;
}

/* Layout Elements */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* Header */
.site-header {
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 80px;
  padding: 0.5rem 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--color-secondary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--color-secondary);
  cursor: pointer;
  padding: 0.2rem;
  align-items: center;
  justify-content: center;
}

.main-nav {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 70px;
  left: -100%;
  width: 250px;
  height: calc(100vh - 70px);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-md);
  gap: var(--spacing-sm);
  transition: left 0.3s ease;
  z-index: 90;
}

.main-nav.active {
  left: 0;
}

.main-nav a {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-weight: 500;
}

@media (max-width: 767px) {
  .mobile-menu-btn {
    display: flex;
  }
  .btn-whatsapp {
    padding: 0.5rem;
  }
  .btn-whatsapp span {
    display: none; /* Hide text on very small screens to fit header */
  }
}

@media (min-width: 768px) {
  .main-nav {
    position: static;
    flex-direction: row;
    height: auto;
    width: auto;
    flex: 1;
    margin: 0 2rem;
    background: transparent;
    box-shadow: none;
    padding: 0;
    left: auto;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .main-nav a {
    border-bottom: none;
    padding: 0.25rem 0.5rem;
    font-size: 0.95rem;
    white-space: nowrap;
    border-radius: var(--radius-sm);
  }

  .main-nav a:hover {
    color: var(--color-primary);
    background-color: rgba(255, 87, 34, 0.05);
  }
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
  transform: translateY(-2px);
}

/* Main Content Area */
.main-content {
  flex: 1;
  min-height: 100vh; /* Reserva espaço para evitar que o footer pule durante o load do JS (Navegação Agêntica) */
}

/* Footer */
.site-footer {
  background-color: var(--color-secondary);
  color: var(--color-surface);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: auto;
}

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

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
  }
}

.footer-seo-block h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.footer-seo-block p {
  color: #BDBDBD;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #9E9E9E;
  font-size: 0.85rem;
}

/* --- Etapa 3: Home Page Styles --- */

/* Hero Banner */
.hero-banner {
  width: 100%;
  background-color: var(--color-surface);
}

.hero-banner a {
  display: block;
}

.hero-banner img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 1920 / 600; /* Define a proporção para evitar CLS no desktop */
}

@media (max-width: 768px) {
  .hero-banner img {
    aspect-ratio: 1 / 1; /* Proporção do banner mobile para zerar o CLS */
  }
}

/* Mini Banners */
.mini-banners-section {
  padding: var(--spacing-sm) var(--spacing-sm);
  margin-top: 0;
}

.mini-banners-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-sm);
}

@media (min-width: 768px) {
  .mini-banners-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
  }
}

.mini-banner-card {
  background-color: var(--color-primary);
  color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.2rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  justify-content: center;
  transition: transform var(--transition-fast);
}

@media (max-width: 767px) {
  .mini-banner-card {
    padding: 0.7rem 1rem;
    gap: 0.75rem;
  }
  .mini-banner-icon svg {
    width: 32px;
    height: 32px;
  }
  .mini-banner-text h4 {
    font-size: 1rem;
  }
  .mini-banner-text p {
    font-size: 0.8rem;
  }
}

.mini-banner-card:hover {
  transform: translateY(-2px);
}

.mini-banner-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mini-banner-text h4 {
  color: var(--color-surface);
  font-size: 1.1rem;
  margin-bottom: 0.1rem;
}

.mini-banner-text p {
  font-size: 0.85rem;
  margin: 0;
  opacity: 0.95;
}

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

.hero-text h1 {
  color: var(--color-surface);
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -1px;
}

.hero-text p {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.95;
}

.btn-primary {
  display: inline-block;
  background-color: var(--color-surface);
  color: var(--color-primary);
  padding: 0.8rem 2.5rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  color: var(--color-primary-dark);
}

/* Categories Section */
.categories-section {
  padding-top: var(--spacing-lg); /* Diminui o espaço superior no desktop */
  padding-bottom: var(--spacing-xl);
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
  text-align: center;
}

@media (max-width: 767px) {
  .categories-section {
    padding-top: var(--spacing-md); /* Espaço bem menor no celular */
    padding-bottom: var(--spacing-lg);
  }
}

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

@media (max-width: 767px) {
  .categories-section h2 {
    margin-bottom: var(--spacing-md);
  }
}

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

@media (min-width: 768px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
}

@media (min-width: 1024px) {
  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }
}

.category-card {
  background-color: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

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

.category-card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.4rem;
}

.category-card p {
  color: var(--color-text-light);
}

/* Products Vitrine */
.products-section {
  padding: 0 var(--spacing-sm) var(--spacing-xl);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  font-size: 2rem;
}

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

@media (min-width: 600px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
  }
}

@media (min-width: 900px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
  }
}

@media (min-width: 1200px) {
  .products-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
  }
}

.product-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.product-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: #F5F5F5;
  border-bottom: 1px solid var(--color-border);
}

.product-info {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-category {
  font-size: 0.75rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-xs);
  font-weight: 700;
}

.product-title {
  font-size: 1.05rem;
  margin-bottom: var(--spacing-sm);
  flex: 1;
  color: var(--color-secondary);
}

.product-price {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.btn-secondary {
  display: block;
  text-align: center;
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  padding: 0.5rem;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-fast);
}

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

/* --- Etapa 4: Product Page Styles --- */
.product-page {
  padding: var(--spacing-md) var(--spacing-sm) var(--spacing-xl);
}

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

.breadcrumb a {
  color: var(--color-text-light);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

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

@media (min-width: 768px) {
  .product-detail-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.product-detail-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-secondary);
}

.product-detail-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.product-description, .how-it-works {
  margin-bottom: var(--spacing-md);
}

.product-description h3, .how-it-works h3 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-secondary);
}

.product-description p {
  color: var(--color-text);
  line-height: 1.8;
}

.how-it-works {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
}

.how-it-works ul {
  list-style: none;
}

.how-it-works li {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
  font-size: 0.95rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.how-it-works li::before {
  content: '✓';
  color: var(--color-whatsapp);
  font-weight: bold;
}

.btn-whatsapp-large {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background-color: var(--color-whatsapp);
  color: white;
  padding: 1rem;
  border-radius: var(--radius-md);
  font-size: 1.2rem;
  font-weight: 700;
  width: 100%;
  box-shadow: var(--shadow-md);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn-whatsapp-large:hover {
  background-color: var(--color-whatsapp-dark);
  transform: translateY(-3px);
}