/* ============================================
   BATERIAS JF - CSS OTIMIZADO E LEVE
   ============================================ */

/* Reset e Variáveis */
:root {
  --primary: #dc2626;
  --primary-dark: #991b1b;
  --primary-light: #fee2e2;
  --secondary: #1f2937;
  --accent: #f59e0b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #dc2626;
  --light: #f9fafb;
  --gray: #6b7280;
  --border: #e5e7eb;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --transition: all 0.3s ease;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--secondary);
  background-color: #fff;
  line-height: 1.6;
  font-size: 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  color: #fff;
}

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

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header e Navegação */
header {
  background: var(--secondary);
  color: white;
  padding: 1rem 0;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  font-size: 1.8rem;
}

nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav a {
  color: white;
  font-weight: 500;
  transition: var(--transition);
}

nav a:hover {
  color: var(--accent);
  text-decoration: none;
}

.whatsapp-btn {
  background: #25d366;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 25px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.whatsapp-btn:hover {
  background: #1da851;
  color: white;
  text-decoration: none;
  transform: scale(1.05);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 4rem 1rem;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: rgba(255,255,255,0.95);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Botões */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 5px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-block;
  text-align: center;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: white;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
  text-decoration: none;
}

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

.btn-success:hover {
  background: #059669;
  color: white;
  text-decoration: none;
}

/* Seções */
section {
  padding: 3rem 1rem;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.section-title p {
  color: var(--gray);
  font-size: 1.1rem;
}

/* Grid de Produtos */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.product-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

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

.product-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--primary-light) 0%, #fecaca 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--primary);
}

.product-content {
  padding: 1.5rem;
}

.product-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--secondary);
}

.product-description {
  color: var(--gray);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.product-price {
  font-size: 1.5rem;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 1rem;
}

.product-btn {
  width: 100%;
}

/* Grid de Bairros */
.neighborhoods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.neighborhood-card {
  background: white;
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

.neighborhood-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.neighborhood-card h3 {
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

.neighborhood-region {
  color: var(--gray);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.neighborhood-card a {
  color: var(--primary);
  font-weight: 600;
}

/* Seção de Serviços */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.service-card {
  text-align: center;
  padding: 2rem 1rem;
}

.service-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.service-card h3 {
  color: var(--secondary);
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--gray);
}

/* Formulário de Contato */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--secondary);
}

input, textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: var(--transition);
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
footer {
  background: var(--secondary);
  color: white;
  padding: 3rem 1rem 1rem;
  margin-top: 3rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: var(--accent);
  margin-bottom: 1rem;
}

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

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

.footer-section a {
  color: rgba(255,255,255,0.8);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 1rem;
  text-align: center;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
}

/* Breadcrumb */
.breadcrumb {
  padding: 1rem 0;
  color: var(--gray);
  font-size: 0.9rem;
}

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

/* Alerta */
.alert {
  padding: 1rem;
  border-radius: 5px;
  margin-bottom: 1rem;
}

.alert-success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.alert-error {
  background: #fee2e2;
  color: #7f1d1d;
  border: 1px solid #fecaca;
}

.alert-info {
  background: #dbeafe;
  color: #0c2340;
  border: 1px solid #bfdbfe;
}

/* Responsivo */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  nav {
    gap: 1rem;
    flex-wrap: wrap;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .products-grid,
  .neighborhoods-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }

  section {
    padding: 2rem 1rem;
  }
}

@media (max-width: 480px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }

  nav {
    width: 100%;
    justify-content: center;
  }

  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }

  .hero {
    padding: 2rem 1rem;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .hero p {
    font-size: 0.95rem;
  }
}

/* Utilitários */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-gray { color: var(--gray); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }