/* 
  Project: Sabor da Roça - Farinha de Mandioca Artesanal
  Design: Clean Minimalism com Marrom Principal
  Author: Manus AI
*/

:root {
  /* Color Palette - Based on Logo Brown */
  --color-primary: #6B4423; /* Marrom Principal (Logo) */
  --color-primary-light: #8B5A3C; /* Marrom Claro */
  --color-primary-dark: #4A2F1A; /* Marrom Escuro */
  
  --color-bg-body: #FFFFFF; /* Branco Puro */
  --color-bg-alt: #F8F6F3; /* Off-white Suave */
  --color-bg-section: #F2EFEB; /* Bege Claro */
  
  --color-text-primary: #2C2C2C; /* Cinza Escuro */
  --color-text-secondary: #666666; /* Cinza Médio */
  --color-text-light: #999999; /* Cinza Claro */
  
  --color-border: #E8E4E0; /* Borda Suave */
  --color-white: #FFFFFF;
  
  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Lato', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

ul {
  list-style: none;
}

/* Utility Classes */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 0.9rem;
  font-family: var(--font-body);
}

.btn:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(107, 68, 35, 0.2);
}

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

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

.section-padding {
  padding: var(--spacing-xl) 0;
}

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

.section-title {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 2px;
  background-color: var(--color-primary);
  margin: 12px auto 0;
}

/* Header */
.main-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  height: 80px;
  display: flex;
  align-items: center;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.logo img {
  height: 60px;
  width: auto;
  transition: transform 0.3s ease;
}

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

.main-nav ul {
  display: flex;
  gap: var(--spacing-lg);
}

.main-nav a {
  font-weight: 500;
  color: var(--color-text-primary);
  font-size: 0.95rem;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

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

.header-cta {
  display: block;
}

.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-primary);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  margin-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(107, 68, 35, 0.7) 0%, rgba(75, 47, 26, 0.7) 100%);
  z-index: 1;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  z-index: 0;
  object-fit: cover;
}

.hero-content {
  max-width: 800px;
  padding: var(--spacing-md);
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-white);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  font-weight: 300;
  opacity: 0.95;
  color: var(--color-white);
}

/* Nossa História */
.history {
  background-color: var(--color-bg-body);
}

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

.history-text p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.history-image img {
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

/* Sobre o Produto */
.product {
  background-color: var(--color-bg-alt);
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  margin-bottom: var(--spacing-md);
  transition: box-shadow 0.3s ease;
}

.product-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

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

.product-content h3 {
  margin-bottom: var(--spacing-sm);
}

.product-features {
  list-style: disc;
  padding-left: 1.5rem;
  margin-top: var(--spacing-sm);
  color: var(--color-text-secondary);
}

.product-features li {
  margin-bottom: 0.75rem;
  line-height: 1.7;
}

/* Processo de Produção */
.process {
  background-color: var(--color-bg-body);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.step-card {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  border: 1px solid var(--color-border);
}

.step-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  box-shadow: 0 8px 20px rgba(107, 68, 35, 0.1);
}

.step-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--color-primary);
  opacity: 0.4;
  margin-bottom: var(--spacing-xs);
}

.step-title {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

.step-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Galeria de Imagens */
.gallery {
  background-color: var(--color-bg-body);
}

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

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  aspect-ratio: 1;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.gallery-item:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(107, 68, 35, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay-icon {
  color: var(--color-white);
  font-size: 2rem;
}

/* Vantagens para Lojistas */
.advantages {
  background-color: var(--color-bg-alt);
}

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

.advantage-card {
  background: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.advantage-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(107, 68, 35, 0.1);
}

.advantage-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.advantage-card h3 {
  margin-bottom: var(--spacing-xs);
}

.advantage-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* Depoimentos */
.testimonials {
  background-color: var(--color-bg-body);
}

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

.testimonial-card {
  background: var(--color-bg-alt);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
}

.testimonial-text {
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}

.testimonial-author {
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.testimonial-role {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

/* Chamada para Revenda */
.resale-cta {
  background-color: var(--color-primary);
  color: var(--color-white);
  text-align: center;
}

.resale-cta h2 {
  color: var(--color-white);
}

.resale-cta p {
  max-width: 600px;
  margin: 0 auto var(--spacing-md);
  opacity: 0.95;
  font-size: 1.05rem;
}

/* Contato */
.contact {
  background-color: var(--color-bg-body);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

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

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
}

.contact-icon {
  margin-right: var(--spacing-sm);
  color: var(--color-primary);
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-info p {
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.contact-form {
  background: var(--color-bg-alt);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.contact-form h3 {
  margin-bottom: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background-color: var(--color-white);
  color: var(--color-text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(107, 68, 35, 0.1);
}

/* Footer */
.main-footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.9);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-col h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--color-white);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-links a {
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.3s ease;
}

.social-links a:hover {
  color: var(--color-white);
}

.copyright {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
}

/* Lightbox Modal */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
}

.lightbox-image {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: var(--color-white);
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
  transition: color 0.3s ease;
}

.lightbox-close:hover {
  color: var(--color-primary);
}

/* Responsividade Mobile-First */
@media (max-width: 480px) {
  :root {
    --spacing-lg: 2.5rem;
    --spacing-xl: 3rem;
  }
  
  .main-header {
    height: 70px;
  }
  
  .hero {
    margin-top: 70px;
    height: 80vh;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .btn {
    padding: 10px 16px;
    font-size: 0.8rem;
  }
  
  .container {
    width: 95%;
  }
  
  .main-nav {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .header-cta {
    display: none;
  }
  
  .history-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .process-steps {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .history-grid {
    grid-template-columns: 1fr;
  }
  
  .header-cta {
    display: none;
  }
}

/* Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
  .container {
    width: 92%;
  }
  
  .hero h1 {
    font-size: 3rem;
  }
  
  .section-title {
    font-size: 2.2rem;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Accessibility - High Contrast Mode */
@media (prefers-contrast: more) {
  :root {
    --color-text-primary: #000000;
    --color-primary: #4A2F1A;
  }
  
  .btn {
    border: 2px solid currentColor;
  }
}

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

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  z-index: 999;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
  transition: all 0.3s ease;
  animation: float-pulse 3s ease-in-out infinite;
}

.whatsapp-float:hover {
  background-color: #20BA5A;
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: white;
}

@keyframes float-pulse {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* Mobile responsiveness for WhatsApp button */
@media (max-width: 480px) {
  .whatsapp-float {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 55px;
    height: 55px;
  }
  
  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}

/* Print Styles */
@media print {
  .main-header,
  .main-footer,
  .btn,
  .contact-form {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
}