/* Variáveis e Reset */
:root {
  --primary: #b30000;
  --primary-dark: #800000;
  --primary-light: #ffe6e6;
  --secondary: #2d2d2d;
  --secondary-light: #4a4a4a;
  --light-gray: #f5f5f5;
  --medium-gray: #d9d9d9;
  --dark-gray: #666666;
  --success: #28a745;
  --success-light: #e6f4ea;
  --danger: #dc3545;
  --danger-light: #f8d7da;
  --warning: #ffc107;
  --warning-light: #fff3cd;
  --white: #ffffff;
  --black: #000000;
  --shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.15);
  --radius: 12px;
  --radius-sm: 6px;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--light-gray);
  color: var(--secondary);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1.2rem;
  color: var(--secondary);
}

p {
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

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

/* Header */
.header {
  background-color: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: var(--transition);
}

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

.logo {
  max-width: 200px;
  height: auto;
}

.logo-link {
  display: flex;
  align-items: center;
}

.nav ul {
  display: flex;
  gap: 2rem;
}

.nav a {
  color: var(--secondary-light);
  font-weight: 600;
  padding: 0.75rem 0;
  position: relative;
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.nav a:hover, .nav a.active {
  color: var(--primary);
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--primary);
  transition: var(--transition);
}

.nav a:hover::after, .nav a.active::after {
  width: 100%;
}

.nav .icon {
  margin-right: 0.6rem;
  font-size: 1.2rem;
}

/* Hero Sections */
.hero, .about-hero, .contact-hero {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 100%), 
              url('../images/grelha-concreto.png') center/cover no-repeat fixed;
  color: var(--white);
  text-align: center;
  padding: 8rem 1.5rem; /* Padding reduzido */
  margin-bottom: 4rem;
  position: relative;
  display: flex;
  align-items: center;
  min-height: 60vh; /* Altura mínima reduzida */
}

.hero .container, .about-hero .container, .contact-hero .container {
  position: relative;
  z-index: 2;
  max-width: 900px;
  animation: fadeInUp 1s ease-out;
}

.hero h2, .about-hero h1, .contact-hero h1 {
  font-size: 3rem; /* Tamanho de fonte reduzido */
  margin-bottom: 1.5rem;
  text-shadow: 3px 3px 10px rgba(0, 0, 0, 0.8);
  color: var(--white);
  line-height: 1.3;
  font-weight: 800;
}

.hero p, .about-hero p, .contact-hero p {
  font-size: 1.2rem; /* Tamanho de fonte reduzido */
  max-width: 750px;
  margin: 0 auto 2.5rem;
  text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.7);
}

.hero .btn {
  padding: 1.2rem 3rem;
  font-size: 1.2rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(45deg, var(--primary), var(--primary-dark));
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.hero .btn:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  background: linear-gradient(45deg, var(--primary-dark), var(--primary));
}

/* Animação */
@keyframes fadeInUp {
  from {
      opacity: 0;
      transform: translateY(40px);
  }
  to {
      opacity: 1;
      transform: translateY(0);
  }
}

/* Destaques */
.destaques {
  padding: 5rem 0;
  background-color: var(--white);
}

.destaques .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

.destaque-item {
  text-align: center;
  padding: 2.5rem;
  border-radius: var(--radius);
  background-color: var(--light-gray);
  transition: var(--transition);
}

.destaque-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.destaque-item i {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 1.8rem;
}

.destaque-item h3 {
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
}

/* Sobre */
.sobre, .about-content {
  padding: 5rem 0;
  background-color: var(--light-gray);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 5rem;
}

.about-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.about-image img:hover {
  transform: scale(1.02);
}

.values-section {
  margin-bottom: 5rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  margin-top: 2.5rem;
}

.value-card {
  background-color: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.value-card i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.value-card h3 {
  margin-bottom: 1.2rem;
  font-size: 1.3rem;
}

.team-section {
  text-align: center;
  padding: 4rem 0;
}

/* Produtos */
.produtos, .product-page {
  padding: 5rem 0;
  background-color: var(--white);
}

.page-header {
  text-align: center;
  margin-bottom: 4rem;
}

.page-header h1 {
  font-size: 3rem;
}

.product-filters {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 3rem;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.filter-group label {
  font-weight: 600;
}

.filter-group select {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--medium-gray);
  background-color: var(--white);
  font-size: 1rem;
}

.search-box {
  display: flex;
  align-items: center;
  border: 1px solid var(--medium-gray);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.search-box input {
  padding: 0.75rem 1.5rem;
  border: none;
  outline: none;
  min-width: 300px;
}

.search-box button {
  background: linear-gradient(45deg, var(--primary), var(--primary-dark));
  color: var(--white);
  border: none;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.search-box button:hover {
  background: linear-gradient(45deg, var(--primary-dark), var(--primary));
}

#product-list, .product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2.5rem;
  margin: 4rem 0;
}

.produto {
  background-color: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--medium-gray);
}

.produto:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-hover);
}

.produto-imagem {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3; 
  overflow: hidden;
  background-color: var(--light-gray); 
  display: flex;
  align-items: center;
  justify-content: center;
}

.produto-imagem img {
  width: 100%;
  height: 100%;
  object-fit: contain; 
  transition: var(--transition);
}

.produto:hover .produto-imagem img {
  transform: scale(1.05); /* Mantém o efeito de zoom no hover */
}

/* Fallback para navegadores sem suporte a aspect-ratio */
@supports not (aspect-ratio: 4 / 3) {
  .produto-imagem {
    padding-bottom: 75%; /* 3/4 = 75% para proporção 4:3 */
    position: relative;
  }
  .produto-imagem img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
}

.estoque-badge {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background-color: var(--danger);
  color: var(--white);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
}

.produto-info {
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.produto h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.produto-descricao {
  color: var(--dark-gray);
  font-size: 0.95rem;
  margin-bottom: 2rem;
  flex: 1;
}

.produto-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

/* Contato */
.contact-content {
  padding: 5rem 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.info-card {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.info-card i {
  font-size: 1.8rem;
  color: var(--primary);
  margin-top: 0.3rem;
}

.info-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.3rem;
}

.info-card p {
  margin-bottom: 0.3rem;
  font-size: 1rem;
  color: var(--secondary-light);
}

.contact-form {
  background-color: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

label {
  display: block;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

input, textarea, select {
  width: 100%;
  padding: 1rem 1.5rem;
  border: 1px solid var(--medium-gray);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

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

textarea {
  resize: vertical;
  min-height: 150px;
}

.map-section {
  padding: 5rem 0;
  background-color: var(--white);
}

.map-container {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-top: 3rem;
}

.map-container iframe {
  width: 100%;
  height: 500px;
  border: none;
  display: block;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: linear-gradient(45deg, var(--primary), var(--primary-dark));
  color: var(--white);
  padding: 1rem 2rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 600;
}

.btn:hover {
  background: linear-gradient(45deg, var(--primary-dark), var(--primary));
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

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

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

.btn-adicionar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: linear-gradient(45deg, var(--primary), var(--primary-dark));
  color: var(--white);
  padding: 1rem 2rem; 
  border: 1px solid var(--primary-dark); 
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.1rem; 
  font-weight: 600;
  box-shadow: var(--shadow); 
}

.btn-adicionar i {
  font-size: 1.3rem; /* Ícone maior */
}

.btn-adicionar:hover {
  background: linear-gradient(45deg, var(--primary-dark), var(--primary));
  transform: scale(1.05) translateY(-2px); 
  box-shadow: var(--shadow-hover); 
}

@media (max-width: 768px) {
  .produto-footer {
    flex-direction: column; /* Garante que o botão não fique espremido */
    gap: 1rem;
  }
}

.btn-adicionar:disabled {
  background: var(--medium-gray);
  border-color: var(--medium-gray);
  cursor: not-allowed;
  box-shadow: none;
}

.btn-adicionar.added {
  background: linear-gradient(45deg, var(--success), var(--success-light));
  border-color: var(--success);
  box-shadow: var(--shadow);
}

.btn-checkout {
  width: 100%;
  padding: 1.2rem;
  background: linear-gradient(45deg, var(--success), var(--success-light));
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 1.5rem;
}

.btn-checkout:hover {
  background: linear-gradient(45deg, var(--success-light), var(--success));
}

/* Carrinho */
.floating-cart {
  position: fixed;
  bottom: 2.5rem;
  right: 2.5rem;
  z-index: 1000;
}

#cart-toggle {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(45deg, var(--primary), var(--primary-dark));
  color: var(--white);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  transition: var(--transition);
}

#cart-toggle:hover {
  background: linear-gradient(45deg, var(--primary-dark), var(--primary));
  transform: scale(1.15);
}

#cart-toggle .count {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--danger);
  color: var(--white);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
}

#cart {
  position: fixed;
  bottom: 120px;
  right: 30px;
  width: 400px;
  max-width: 95%;
  background-color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  z-index: 999;
  display: none;
  max-height: 80vh;
  overflow-y: auto;
  transform: translateX(100%);
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

#cart.active {
  display: block;
  transform: translateX(0);
  opacity: 1;
}

.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem;
  border-bottom: 1px solid var(--medium-gray);
  position: sticky;
  top: 0;
  background-color: var(--white);
  z-index: 1;
}

.cart-header h2 {
  margin: 0;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

#close-cart {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--dark-gray);
  transition: var(--transition);
}

#close-cart:hover {
  color: var(--danger);
}

#cart-items {
  padding: 2rem;
}

.empty-cart {
  text-align: center;
  padding: 3rem;
  color: var(--dark-gray);
  font-style: italic;
  font-size: 1.1rem;
}

.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--medium-gray);
}

.cart-item:last-child {
  border-bottom: none;
}

.cart-item-info {
  flex: 1;
}

.cart-item-info h4 {
  margin: 0 0 0.5rem 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.quantity-control {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.quantity-btn {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background-color: var(--light-gray);
  border: 1px solid var(--medium-gray);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.quantity-btn:hover {
  background-color: var(--medium-gray);
}

.remove-item {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 1.2rem;
  transition: var(--transition);
}

.remove-item:hover {
  color: #c82333;
}

.cart-footer {
  padding: 2rem;
  border-top: 1px solid var(--medium-gray);
  position: sticky;
  bottom: 0;
  background-color: var(--white);
}

.cart-footer p {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.cart-footer span {
  color: var(--primary);
  font-size: 1.2rem;
}

/* Notificações */
.cart-notification {
  position: fixed;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: linear-gradient(45deg, var(--success), var(--success-light));
  color: var(--white);
  padding: 1.2rem 2rem;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-hover);
  z-index: 1100;
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cart-notification.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.cart-notification i {
  font-size: 1.5rem;
}

.alert {
  position: fixed;
  top: 3rem;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  padding: 1.2rem 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  z-index: 1100;
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 90%;
  text-align: center;
}

.alert.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.alert.success {
  background-color: var(--success-light);
  color: var(--success);
  border-left: 5px solid var(--success);
}

.alert.error {
  background-color: var(--danger-light);
  color: var(--danger);
  border-left: 5px solid var(--danger);
}

/* Footer */
.footer {
  background: linear-gradient(180deg, #222222, #1a1a1a);
  color: var(--white);
  padding: 5rem 0 0;
  margin-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-col h3 {
  color: var(--white);
  font-size: 1.5rem;
  margin-bottom: 2rem;
  position: relative;
  padding-bottom: 1rem;
}

.footer-col h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background-color: var(--primary);
}

.footer-col p, .footer-col a {
  color: #d9d9d9;
  margin-bottom: 1rem;
  display: block;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary);
  padding-left: 8px;
}

.footer-col i {
  margin-right: 0.75rem;
  width: 25px;
  text-align: center;
  color: var(--primary);
}

.social-links {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--white);
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--primary);
  transform: translateY(-5px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 2rem 0;
  text-align: center;
  font-size: 1rem;
  color: #b3b3b3;
}

/* Responsividade */
@media (max-width: 992px) {
  .about-grid {
      grid-template-columns: 1fr;
  }
  
  .about-image {
      order: -1;
  }
}

@media (max-width: 768px) {
  .header .container {
      flex-direction: column;
  }
  
  .nav ul {
      margin-top: 1.5rem;
      flex-wrap: wrap;
      justify-content: center;
      gap: 1rem;
  }
  
  .hero, .about-hero, .contact-hero {
      min-height: 50vh; /* Altura mínima reduzida para mobile */
      padding: 6rem 1rem; /* Padding reduzido para mobile */
  }
  
  .hero h2, .about-hero h1, .contact-hero h1 {
      font-size: 2.2rem; /* Tamanho de fonte ajustado */
  }
  
  .hero p, .about-hero p, .contact-hero p {
      font-size: 1.1rem;
  }
  
  .contact-grid {
      grid-template-columns: 1fr;
  }
  
  .form-row {
      grid-template-columns: 1fr;
      gap: 1.5rem;
  }
  
  #cart {
      right: 0;
      left: 0;
      width: 90%;
      margin: 0 auto;
      bottom: 100px;
  }
  
  .cart-item {
      flex-direction: column;
      align-items: flex-start;
      gap: 1rem;
  }
  
  .cart-item-controls {
      width: 100%;
      justify-content: space-between;
  }
}

@media (max-width: 576px) {
  .hero, .about-hero, .contact-hero {
      padding: 5rem 1rem; /* Padding ainda mais reduzido */
      background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('../images/concreto-hero.jpg') center/cover no-repeat;
  }
  
  .destaques .container {
      grid-template-columns: 1fr;
  }
  
  .product-filters {
      flex-direction: column;
      align-items: stretch;
  }
  
  .search-box input {
      min-width: auto;
      width: 100%;
  }
  
  .logo {
      max-width: 150px;
  }
}