/* 
  Paleta de Cores (60/30/10)
  60% Branco / Fundos Claros
  30% Cor Primária (Cinza Escuro)
  10% Cor de Destaque (Laranja)
*/

:root {
  --color-white: #ffffff;
  --color-bg-light: #f8f9fa;
  --color-bg-alt: #f1f3f5;
  
  --color-primary: #333333; /* Cinza Escuro */
  --color-primary-light: #495057;
  --color-primary-foreground: #ffffff;
  
  --color-accent: #E67E22; /* Laranja */
  --color-accent-hover: #D35400;
  --color-accent-foreground: #ffffff;
  
  --color-text: #212529;
  --color-text-muted: #6c757d;
  
  --color-border: #dee2e6;
  
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  
  --radius-md: 8px;
  --radius-lg: 12px;
  
  --transition: all 0.3s ease;
  
  --font-sans: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* Compensa o header fixo */
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.6;
}

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

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

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

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Tipografia Comum */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto;
}

/* 
  Regras de Contraste para Botões (WCAG AA)
  Normal: Contraste Mínimo 4.5:1
  Hover: Evitar texto branco sobre fundo branco e escuro sobre escuro
*/

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-accent-foreground);
  border-color: var(--color-accent);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-accent-foreground);
}

.btn-secondary {
  background-color: var(--color-bg-alt);
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
  border-color: var(--color-primary);
}

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

.btn-outline:hover, .btn-outline:focus {
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
}

/* Botões sobre fundo escuro (ex: header dark, footer) */
.bg-dark .btn-outline {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.6);
  background-color: rgba(255, 255, 255, 0.1);
}

.bg-dark .btn-outline:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-accent-foreground);
}

/* Header Fixo */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  height: 80px;
  transition: var(--transition);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  height: 100%;
}

.logo img {
  height: 100%;
  width: auto;
  object-fit: contain;
}

.nav-menu ul {
  display: flex;
  gap: 32px;
}

.nav-menu a {
  color: var(--color-primary);
  font-weight: 500;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-accent);
  transition: var(--transition);
}

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

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

/* Seção Hero */
.hero {
  background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('../assets/bg_hero.jpg') center/cover no-repeat;
  padding: 100px 0;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  color: var(--color-white);
}

.hero-content {
  max-width: 800px;
}

.hero h1 {
  font-size: 1.25rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.hero h2 {
  font-size: 3.5rem;
  margin-bottom: 24px;
  color: var(--color-white);
}

.hero p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
}

/* Seção Sobre Nós */
.sobre {
  padding: 100px 0;
  background: linear-gradient(rgba(33, 37, 41, 0.9), rgba(33, 37, 41, 0.9)), url('../assets/bg_sobre.jpg') center/cover fixed;
}

.sobre .section-header h2 {
  color: var(--color-white);
}

.sobre .section-header p {
  color: rgba(255, 255, 255, 0.8);
}

.sobre-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.sobre-card {
  background-color: var(--color-bg-light);
  padding: 40px;
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.sobre-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.sobre-card p {
  color: var(--color-text-muted);
}

.sobre-card.valores {
  grid-column: span 2;
  border-left-color: var(--color-accent);
}

.valores ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.valores li {
  background-color: var(--color-white);
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.valores li strong {
  display: block;
  color: var(--color-primary);
  margin-bottom: 8px;
  font-family: var(--font-heading);
}

/* Seção Serviços */
.servicos {
  padding: 100px 0;
  background: linear-gradient(rgba(248, 249, 250, 0.92), rgba(248, 249, 250, 0.92)), url('../assets/bg_servicos.jpg') center/cover fixed;
}

.servicos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.servico-card {
  background-color: var(--color-white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  text-align: center;
}

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

.servico-card .icon {
  font-size: 3rem;
  margin-bottom: 24px;
}

.servico-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.servico-card p {
  color: var(--color-text-muted);
}

/* Seção Planos */
.planos {
  padding: 100px 0;
  background-color: var(--color-white);
}

.planos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: center;
}

.plano-card {
  background-color: var(--color-bg-light);
  padding: 48px 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: var(--transition);
}

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

.plano-card.destaque {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.plano-card.destaque:hover {
  transform: scale(1.05) translateY(-5px);
}

.badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.plano-card h3 {
  font-size: 2rem;
  margin-bottom: 8px;
}

.plano-card.destaque h3,
.plano-card.destaque .plano-desc,
.plano-card.destaque .plano-indicacao {
  color: var(--color-white);
}

.plano-desc {
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 32px;
}

.plano-features {
  margin-bottom: 32px;
}

.plano-features li {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}

.plano-card.destaque .plano-features li {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.plano-features li:last-child {
  border-bottom: none;
}

.plano-indicacao {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  font-style: italic;
}

.plano-card .btn {
  width: 100%;
}

.plano-card.destaque .btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.plano-card.destaque .btn-primary:hover {
  background-color: var(--color-accent-hover);
}

/* Seção Contato */
.contato {
  padding: 100px 0;
  background: linear-gradient(rgba(248, 249, 250, 0.95), rgba(248, 249, 250, 0.95)), url('../assets/bg_contato.jpg') center/cover fixed;
}

.contato-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contato-info h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.contato-info > p {
  color: var(--color-text-muted);
  margin-bottom: 40px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.info-item .icon {
  font-size: 1.5rem;
}

.info-item strong {
  display: block;
  font-family: var(--font-heading);
  color: var(--color-primary);
  margin-bottom: 4px;
}

.info-item p {
  color: var(--color-text-muted);
}

.contato-mapa iframe {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.mt-4 {
  margin-top: 32px;
}

/* Botão WhatsApp Flutuante */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background-color: #25D366; /* Cor oficial do WhatsApp */
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  transition: var(--transition);
}

.whatsapp-float:hover {
  background-color: #128C7E;
  transform: scale(1.05); /* Escala discreta, sem piscar */
}

/* Responsividade Avançada */

/* Telas muito grandes (Ultrawide e Full HD+) */
@media (min-width: 1600px) {
  .container {
    max-width: 1400px;
  }
  .hero h2 {
    font-size: 4.5rem;
  }
  .hero p {
    font-size: 1.5rem;
    max-width: 800px;
  }
}

/* Telas grandes e HD (Laptops - até 1200px) */
@media (max-width: 1200px) {
  .planos-grid {
    gap: 16px;
  }
  .plano-card {
    padding: 32px 24px;
  }
}

/* Tablets Landscape e Laptops pequenos (até 1024px) */
@media (max-width: 1024px) {
  .planos-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    max-width: 700px;
    margin: 0 auto;
  }
  .plano-card.destaque {
    transform: none;
  }
  .plano-card.destaque:hover {
    transform: translateY(-5px);
  }
  .servicos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sobre-grid {
    gap: 24px;
  }
  .hero h2 {
    font-size: 3rem;
  }
}

/* Tablets Portrait (até 992px) */
@media (max-width: 992px) {
  .sobre-grid,
  .contato-grid {
    grid-template-columns: 1fr;
  }
  
  .sobre-card.valores {
    grid-column: 1;
  }
  
  /* Menu Mobile */
  .nav-menu,
  header .btn {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }

  .nav-menu.active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    padding: 24px;
    box-shadow: var(--shadow-md);
    border-top: 1px solid var(--color-border);
  }
  
  .nav-menu.active ul {
    flex-direction: column;
    gap: 16px;
  }
  
  .servicos {
    padding: 60px 0;
  }
  .sobre, .planos, .contato, .hero {
    padding: 80px 0;
  }
}

/* Dispositivos móveis grandes (Phablets - até 768px) */
@media (max-width: 768px) {
  .servicos-grid {
    grid-template-columns: 1fr;
  }
  .hero h2 {
    font-size: 2.5rem;
  }
  .section-header h2 {
    font-size: 2rem;
  }
  .contato-mapa iframe {
    height: 300px;
  }
}

/* Dispositivos móveis comuns (Smartphones - até 576px) */
@media (max-width: 576px) {
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  .hero-buttons .btn {
    width: 100%;
  }
  .section-header h2 {
    font-size: 1.75rem;
  }
  .valores ul {
    grid-template-columns: 1fr;
  }
  .sobre-card, .servico-card, .plano-card {
    padding: 24px;
  }
  .sobre, .servicos, .planos, .contato, .hero {
    padding: 60px 0;
  }
}

/* Telas muito pequenas (Dispositivos antigos - até 400px) */
@media (max-width: 400px) {
  header {
    height: 70px;
  }
  .logo img {
    max-width: 180px;
    object-fit: contain;
  }
  .hero h2 {
    font-size: 2rem;
  }
  .hero h1 {
    font-size: 1rem;
  }
}

/* Efeitos de Animação (Scroll Reveal) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }