/* Estilos customizados para o site da Ecoss Engenharia */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  color: #333;
}

/* Header e Navegação */
.header {
  background: white;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 50px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-menu a:hover {
  color: #2563eb;
}

.nav-menu .dropdown {
  position: relative;
}

.dropdown-content {
  display: none;
  position: absolute;
  background: white;
  min-width: 250px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.1);
  border-radius: 8px;
  padding: 0.5rem 0;
  top: 100%;
  left: 0;
  margin-top: 0.5rem;
}

.dropdown:hover .dropdown-content {
  display: block;
}

.dropdown-content a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: #333;
  text-decoration: none;
  transition: background 0.3s;
}

.dropdown-content a:hover {
  background: #f3f4f6;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  background: linear-gradient(to right, #2563eb, #10b981);
  color: white;
  padding: 5rem 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

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

.btn {
  padding: 0.75rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  display: inline-block;
}

.btn-primary {
  background: #10b981;
  color: white;
}

.btn-primary:hover {
  background: #059669;
}

.btn-secondary {
  background: white;
  color: #2563eb;
}

.btn-secondary:hover {
  background: #f3f4f6;
}

/* Sections */
.section {
  padding: 5rem 2rem;
}

.section-gray {
  background: #f9fafb;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
}

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

.section-title h2 {
  font-size: 2.5rem;
  color: #2563eb;
  margin-bottom: 1rem;
}

.section-title p {
  font-size: 1.25rem;
  color: #6b7280;
  max-width: 800px;
  margin: 0 auto;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Cards */
.card {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: center;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}

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

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #111827;
}

.card p {
  color: #6b7280;
  margin-bottom: 1.5rem;
}

/* Estatísticas */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  text-align: center;
  padding: 3rem 0;
}

.stat-number {
  font-size: 3rem;
  font-weight: bold;
  color: #2563eb;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: #6b7280;
  font-weight: 500;
}

/* Footer */
.footer {
  background: #f3f4f6;
  padding: 3rem 2rem 1rem;
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: #111827;
}

.footer ul {
  list-style: none;
}

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

.footer a {
  color: #6b7280;
  text-decoration: none;
  transition: color 0.3s;
}

.footer a:hover {
  color: #2563eb;
}

.footer-bottom {
  border-top: 1px solid #d1d5db;
  padding-top: 2rem;
  text-align: center;
  color: #6b7280;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: #2563eb;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
}

.social-links a:hover {
  background: #1d4ed8;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1.125rem;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
}

/* Utilitários */
.text-center {
  text-align: center;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mt-8 {
  margin-top: 2rem;
}