/* Eco Núcleo Engenharia e Tecnologia - Styles */

/* Paleta de cores "Eco-Tech" */
:root {
  --background: #f7fafc;      /* Fundo branco-gelo */
  --surface: #ffffff;         /* Superfície branca */
  --primary: #84d96a;        /* Verde claro do logo */
  --secondary: #3b9ab2;        /* Azul-teal do logo */
  --text-primary: #1e6091;   /* Azul escuro do texto do logo */
  --text-secondary: #52796f; /* Verde-cinza para parágrafos */
  --border: #e0e7ee;
  --shadow: rgba(30, 96, 145, 0.1);
  --shadow-hover: rgba(30, 96, 145, 0.2);
}

/* Reset e base */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Poppins', Arial, sans-serif;
  color: var(--text-secondary);
  background-color: var(--background);
  line-height: 1.7;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 1rem 0;
  color: var(--text-primary);
}

h1 { font-size: 3rem; font-weight: 700; letter-spacing: -0.05em; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin: 0 0 1.5rem 0;
}

/* Links e botões */
a {
  color: var(--secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover, a:focus-visible {
  color: var(--primary);
}

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 2px;
}

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

/* Header e Logo */
header {
  background: rgba(255, 255, 255, 0.8);
  color: var(--text-primary);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}

.logo img {
  height: 40px;
  width: auto;
  vertical-align: middle;
}
.logo-text {
  font-size: 1.5rem;
  font-weight: 600;
  margin-left: 0.5rem;
  color: var(--text-primary);
}

.nav-link {
  font-size: 1rem;
  padding: 0.5rem 0;
  margin: 0 0.75rem;
  position: relative;
  color: var(--text-secondary);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}
.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  padding: 0.6rem 1.5rem;
  border-radius: 999px;
  margin-left: 1rem;
  transition: all 0.3s ease;
}
.nav-cta:hover {
  color: #fff;
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow);
}
.nav-cta::after {
  display: none;
}


/* Hero Section */
.hero {
  background: #fff;
  text-align: center;
  padding: 6rem 1rem;
  border-bottom: 1px solid var(--border);
}
.hero-content {
  max-width: 800px;
  margin: 0 auto;
}
.hero .badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background-color: var(--surface);
  color: var(--text-primary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}
.hero .badge strong {
  color: var(--primary);
}
.hero h1 {
  font-size: 3.5rem;
  line-height: 1.2;
}
.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 1.5rem auto 2.5rem;
}
.hero .cta {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-weight: 600;
  padding: 1rem 3rem;
  border-radius: 999px;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px var(--shadow);
}
.hero .cta:hover {
  filter: brightness(1.1);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px var(--shadow-hover);
}

/* About Section */
.about-section {
  background-color: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.credenciais-selo {
  margin-top: 2rem;
  text-align: left;
  padding: 1rem;
  background: var(--background);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.credenciais-selo img {
  max-width: 100%;
  height: auto;
  transition: transform 0.2s ease;
}

.credenciais-selo img:hover {
  transform: scale(1.02);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: start;
}

.about-text {
  background: var(--surface);
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--primary);
}

.about-text p {
  margin-bottom: 1rem;
}

.about-text a {
  color: var(--primary);
  font-weight: 500;
}

.formacao-section,
.competencias-section,
.contato-section {
  margin-bottom: 2rem;
}

.formacao-section h4,
.competencias-section h4,
.contato-section h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 0.5rem;
}

.formacao-list,
.competencias-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.formacao-list li,
.competencias-list li {
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 0.5rem 0;
  position: relative;
  padding-left: 1.5rem;
  line-height: 1.5;
}

.formacao-list li::before,
.competencias-list li::before {
  content: '🎓';
  position: absolute;
  left: 0;
  font-size: 1rem;
}

.competencias-list li::before {
  content: '⚙️';
}

.contato-section p {
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contato-section a {
  color: var(--primary);
  font-weight: 500;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.highlight-card {
  background: var(--background);
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.highlight-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px var(--shadow-hover);
  border-color: var(--secondary);
}

.highlight-card h3 {
  color: var(--text-primary);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.highlight-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

/* Services Section */
.services-section {
  background-color: var(--background);
}

/* Legalização Section */
.legalizacao-section {
  background: var(--background);
  border-top: 1px solid var(--border);
  padding: 4rem 0;
}

.legalizacao-intro {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.legalizacao-intro p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.legalizacao-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.legalizacao-card {
  background: var(--surface);
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  height: 100%;
}

.legalizacao-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.legalizacao-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px var(--shadow-hover);
  border-color: var(--secondary);
}

.legalizacao-icon {
  margin-bottom: 1.5rem;
}

.legalizacao-icon img {
  transition: transform 0.3s ease;
}

.legalizacao-card:hover .legalizacao-icon img {
  transform: scale(1.1);
}

.legalizacao-card h3 {
  color: var(--text-primary);
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  text-align: center;
}

.legalizacao-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  text-align: center;
}

.legalizacao-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
}

.legalizacao-card li {
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 0.25rem 0;
  position: relative;
  padding-left: 1.5rem;
}

.legalizacao-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

.benefit-tag {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  margin-top: auto;
}

.legalizacao-cta {
  background: var(--surface);
  padding: 3rem 2rem;
  border-radius: 16px;
  text-align: center;
  border: 2px solid var(--primary);
}

.legalizacao-cta h3 {
  color: var(--text-primary);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.legalizacao-cta p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.cta-whatsapp,
.cta-email {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1rem;
}

.cta-whatsapp {
  background: var(--primary);
  color: var(--text-primary);
}

.cta-whatsapp:hover {
  background: var(--secondary);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(74, 124, 89, 0.3);
  color: var(--text-primary);
}

.cta-email {
  background: var(--text-primary);
  color: var(--primary);
  border: 2px solid var(--primary);
}

.cta-email:hover {
  background: var(--primary);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(74, 124, 89, 0.3);
}

.cta-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-style: italic;
  margin: 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.service-card {
  background: var(--surface);
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px var(--shadow-hover);
  border-color: var(--primary);
}

.service-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
}

.service-card h3 {
  font-size: 1.25rem;
}

.service-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Contact Section */
.contact-section {
  background: var(--surface);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

.contact-info {
  background: var(--surface);
  padding: 2rem;
  border-radius: 12px;
}

.contact-info h3 {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.contact-item {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-item strong {
  color: var(--text-primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.contact-item a {
  color: var(--primary);
  font-weight: 500;
}

.contact-item strong img {
  transition: transform 0.2s ease;
}

.contact-item strong img:hover {
  transform: scale(1.1);
}

/* Formulário de contato */
.contact-form {
  background: var(--surface);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 2px 12px var(--shadow);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #e1e8e1;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.1);
}

.form-group input:invalid,
.form-group textarea:invalid {
  border-color: #e74c3c;
}

.error-message {
  display: block;
  color: #e74c3c;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.submit-btn {
  background: var(--primary);
  color: var(--text-primary);
  font-weight: 600;
  padding: 1rem 2rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
}

.submit-btn:hover, .submit-btn:focus-visible {
  background: var(--secondary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(74, 124, 89, 0.3);
}

/* Footer */
footer {
  background: var(--primary-dark);
  color: var(--text-primary);
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

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

.footer-section h3,
.footer-section h4 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.2s ease;
}

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

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.2s ease;
}

.social-link:hover {
  color: var(--secondary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
  font-size: 0.9rem;
}

/* Menu mobile */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--primary-dark);
  padding: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu a {
  color: var(--text-primary);
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: color 0.2s ease;
}

.mobile-menu a:hover {
  color: var(--secondary);
}

/* Hero refinements */
.hero-badge {
  background: rgba(255,255,255,.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,.25);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: .85rem;
  margin-bottom: .75rem;
  backdrop-filter: blur(4px);
}

.cta-group {display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center;}
.cta-secondary {
  background: var(--surface); 
  color: var(--text-primary);
} 
.cta-secondary:hover {
  background: var(--background); 
  color: var(--text-primary);
  border-color: var(--primary);
} 

/* Brand banner */
.brand-banner { display: none; }

/* Responsividade */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .about-highlights {
    grid-template-columns: 1fr;
  }
  
  .legalizacao-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-whatsapp,
  .cta-email {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
  
  section {
    padding: 2rem 0;
  }
  
  .container {
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.75rem;
  }
  
  .hero .cta {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }
  
  .service-card,
  .contact-form,
  .about-text,
  .legalizacao-card,
  .legalizacao-cta {
    padding: 1.5rem;
  }
}

/* Animações */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.service-card,
.highlight-card {
  animation: fadeInUp 0.6s ease-out;
}

/* Estados de foco aprimorados para acessibilidade */
.service-card:focus-within {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Melhorias de contraste para WCAG AA */
@media (prefers-contrast: high) {
  :root {
    --primary-green: #0d2a1a;
    --secondary-green: #1a3d2e;
    --accent-green: #2d5a3d;
  }
}

/* Botão flutuante do WhatsApp */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--primary);
  color: var(--text-primary);
  padding: 12px 16px;
  border-radius: 50px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 16px rgba(74, 124, 89, 0.3);
  transition: all 0.3s ease;
  z-index: 1000;
  font-weight: 500;
  font-size: 14px;
}

.whatsapp-float:hover {
  background: var(--secondary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(74, 124, 89, 0.4);
  color: var(--text-primary);
}

.whatsapp-text {
  white-space: nowrap;
}

/* Esconder texto em telas pequenas */
@media (max-width: 480px) {
  .whatsapp-text {
    display: none;
  }
  
  .whatsapp-float {
    padding: 12px;
    border-radius: 50%;
  }
}

/* Animação de pulsação */
@keyframes pulse {
  0% {
    box-shadow: 0 4px 16px rgba(74, 124, 89, 0.3);
  }
  50% {
    box-shadow: 0 4px 16px rgba(74, 124, 89, 0.6), 0 0 0 10px rgba(74, 124, 89, 0.1);
  }
  100% {
    box-shadow: 0 4px 16px rgba(74, 124, 89, 0.3);
  }
}

.whatsapp-float {
  animation: pulse 2s infinite;
}

/* Redução de movimento para usuários sensíveis */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
  
  .whatsapp-float {
    animation: none;
  }
}