/*
 * Frente Parlamentar da Vacina - Versão 2.0 (FINAL - Carrossel e Mosaico Corrigidos)
 * CSS completo com adição das novas funcionalidades.
 */

/* ==========================================================================
   1. VARIÁVEIS GLOBAIS (ROOT)
   ========================================================================== */
:root {
  /* Cores */
  --primary: #14204B;
  --primary-dark: #172A63;
  --primary-light: #2E4C8C;
  --secondary: #317C60;
  --secondary-dark: #008c58;
  --secondary-light: #009c75;
  --dark: #1a2a36;
  --light: #f8f9fa;
  --white: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  
  /* Tipografia */
  --font-primary: 'Montserrat', sans-serif;
  --font-secondary: 'Open Sans', sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3.5rem;
  
  /* Espaçamento */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Bordas */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-xl: 2rem;
  --border-radius-full: 50%;
  
  /* Sombras */
  --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);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  
  /* Transições */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Layout */
  --container-width: 1200px;
  --header-height: 120px;
}

/* ==========================================================================
   2. RESET E ESTILOS GLOBAIS
   ========================================================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--gray-700);
  background-color: var(--white);
  overflow-x: hidden;
}

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

a:hover {
  color: var(--primary-light);
}

ul {
  list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
  margin-bottom: var(--spacing-md);
}

p {
  margin-bottom: var(--spacing-md);
}

/* ==========================================================================
   3. CLASSES UTILITÁRIAS
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-header h2,
.section-header h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--secondary-light);
  position: relative;
  display: inline-block;
}

.section-header h2 {
  font-size: var(--font-size-3xl);
}

.section-header h3 {
  font-size: var(--font-size-2xl);
}

.section-header h2::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -10px;
  width: 50px;
  height: 3px;
  background-color: var(--secondary-light);
  transform: translateX(-50%);
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-header.light h2,
.section-header.light h3,
.section-header.light p {
  color: var(--white);
}

.section-header.light h2::after {
  background-color: var(--white);
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-md);
  font-family: var(--font-primary);
  font-weight: 600;
  text-align: center;
  transition: var(--transition-normal);
  border: none;
  cursor: pointer;
  color: var(--white);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  color: var(--white);
}

.btn-secondary { background-color: var(--secondary); }
.btn-secondary:hover { background-color: var(--secondary-dark); }

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

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

.btn-light {
  background-color: var(--white);
  color: var(--primary);
}
.btn-light:hover {
  background-color: var(--gray-100);
  color: var(--primary-dark);
}

.bold-circle-list {
  list-style: none;
  padding-left: 0;
}

.bold-circle-list li {
  position: relative;
  padding-left: 25px;
  margin-bottom: 10px;
}

.bold-circle-list li::before {
  content: "\2022";
  color: var(--dark);
  font-weight: bold;
  font-size: 1.2em;
  position: absolute;
  left: 0;
  top: 0;
}

/* ==========================================================================
   4. COMPONENTES DO SITE
   ========================================================================== */

.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--white);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: var(--transition-normal);
}

.preloader.hide {
  opacity: 0;
  visibility: hidden;
}

.loader {
  width: 50px;
  height: 50px;
  border: 4px solid var(--gray-200);
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  z-index: 100;
  transition: var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.95);
}

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

.logo1 img { height: 135px; }
.logo2 img { height: 150px; }

.nav-list {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-list a {
  color: var(--dark);
  font-weight: 600;
  position: relative;
  padding: var(--spacing-sm) 0;
  font-family: var(--font-primary);
}

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

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

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

.menu-toggle {
  display: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--dark);
  position: absolute;
  left: 0;
  transition: var(--transition-normal);
}

.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 9px; }
.menu-toggle span:nth-child(3) { top: 18px; }

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg); top: 9px; }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg); top: 9px; }

.hero {
  position: relative;
  padding: calc(var(--header-height) + var(--spacing-2xl)) 0 var(--spacing-2xl);
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white);
  overflow: hidden;
  min-height: 785px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: var(--font-size-4xl);
  color: var(--white);
  margin-bottom: var(--spacing-lg);
}

.hero-content p {
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
}

.hero-wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  line-height: 0;
  z-index: 0;
}

/* --- Carrossel de Imagens do Hero --- */

/* CARROSSEL */
.hero-image-slider {
  position: relative;
  max-width: 600px;   /* você pode ajustar */
  height: 400px;      /* altura fixa do carrossel */
  margin: 20px auto;
  overflow: hidden;
}

.hero-image-slider img {
  width: 100%;
  height: 100%;
  object-fit: cover;   /* mantém proporção e preenche */
  object-position: center; /* centraliza a imagem */
  border-radius: 20px;     /* ajuste o valor para mais/menos arredondado */
}


.slides {
  position: relative;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.slide.active {
  opacity: 1;
  position: relative;
}

.slider-dots {
  display: flex;
  justify-content: center;
  margin-top: 10px;
}

.slider-dots .dot {
  height: 12px;
  width: 12px;
  margin: 0 4px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  cursor: pointer;
}

.slider-dots .dot.active {
  background-color: #317C60; /* verde do seu tema */
}

.metrics {
  padding: var(--spacing-lg) 0;
  position: relative;
  z-index: 2;
  background-color: var(--white);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.metric-card {
  background-color: var(--white);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: var(--transition-normal);
}

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

.metric-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  background-color: var(--primary-light);
  color: var(--white);
  border-radius: var(--border-radius-full);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: var(--font-size-xl);
}

.metric-content h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-xs);
  color: var(--primary);
}

.metric-content p {
  color: var(--gray-600);
  margin-bottom: 0;
  font-size: var(--font-size-sm);
}

/* Responsividade da seção Metrics */
@media (max-width: 1024px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr); /* tablet: 2 colunas */
  }
}

@media (max-width: 768px) {
  .metrics-grid {
    grid-template-columns: 1fr; /* mobile: 1 coluna */
  }
}


.about {
  padding: var(--spacing-lg) 0;
  background-color: var(--gray-100);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

/* --- Mosaico de Imagens (About) --- */
.about-mosaic {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: repeat(1, 1fr);
  grid-template-rows: repeat(1, 330px);
}

.mosaic-item {
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.mosaic-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

/* Responsividade do mosaico */
@media (max-width: 1024px) {
  .about-mosaic {
    grid-template-columns: repeat(1, 1fr); /* tablet*/
    grid-template-rows: 1fr;
  }
}

@media (max-width: 992px) {
  .about-mosaic {
    grid-template-columns: repeat(1, 1fr); /* mobile: empilhadas (1 por linha) */
    grid-template-rows: 1fr;
  }
}

@media (max-width: 768px) {
  .about-mosaic {
    grid-template-columns: repeat(1, 1fr); /* mobile: empilhadas (1 por linha) */
    grid-template-rows: 1fr;
  }
}

.about-features {
  margin-top: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.feature {
  display: flex;
  gap: var(--spacing-md);
}

.feature-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background-color: var(--primary-light);
  color: var(--white);
  border-radius: var(--border-radius-full);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: var(--font-size-lg);
}

.feature-text h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
}

.feature-text p {
  color: var(--gray-600);
  margin-bottom: 0;
}

.vaccines {
  padding: var(--spacing-4xl) 0;
  background-color: var(--white);
}

.vaccine-accordion {
  max-width: 900px;
  margin: 0 auto;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.vaccine-item {
  border-bottom: 1px solid var(--gray-200);
}

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

.vaccine-header {
  width: 100%;
  background-color: var(--white);
  border: none;
  padding: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-primary);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--primary);
  transition: background-color var(--transition-fast);
}

.vaccine-header:hover {
  background-color: var(--gray-100);
}

.vaccine-header i {
  color: var(--secondary);
  font-size: var(--font-size-base);
  transition: transform var(--transition-normal);
}

.vaccine-item.active > .vaccine-header i {
  transform: rotate(180deg);
}

.vaccine-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  background-color: var(--gray-100);
}

.vaccine-details {
  padding: 0 var(--spacing-lg);
}

.qa-item {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--gray-300);
}

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

.qa-header {
  width: 100%;
  background: none;
  border: none;
  padding: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--primary-light);
}

.qa-header i {
  color: var(--secondary);
  font-size: var(--font-size-sm);
  width: 20px;
  height: 20px;
  border: 1px solid var(--secondary);
  border-radius: var(--border-radius-full);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform var(--transition-normal), background-color var(--transition-normal), color var(--transition-normal);
}

.qa-item.active > .qa-header i {
  transform: rotate(45deg);
  background-color: var(--secondary);
  color: var(--white);
}

.qa-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding-top 0.4s ease;
}

.qa-content p, .qa-content li {
  padding-top: var(--spacing-md);
  margin-bottom: 0;
  color: var(--gray-700);
  font-size: var(--font-size-sm);
}

.statistics {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white);
}

.statistics-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.statistics-list {
  margin: var(--spacing-xl) 0;
}

.statistics-list li {
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.statistics-list li i {
  color: var(--secondary-light);
}

.dashboard-preview {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.dashboard-preview img {
  width: 100%;
  transition: var(--transition-normal);
}

.dashboard-preview:hover img {
  transform: scale(1.05);
}

.preview-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: var(--transition-normal);
}

.dashboard-preview:hover .preview-overlay {
  opacity: 1;
}

.preview-button {
  background-color: var(--white);
  color: var(--primary);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  transition: var(--transition-normal);
}

.preview-button:hover {
  background-color: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
}

.footer {
  background-color: var(--light);
  color: var(--primary-light);
  padding-top: var(--spacing-3xl);
  border-top: 1px solid var(--gray-200);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid var(--gray-200);
}

.footer-logo img {
  height: 160px;
  margin-bottom: var(--spacing-md);
}

.footer h4 {
  color: var(--primary-light);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.footer-nav ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-nav ul li a {
  color: var(--primary-light);
}

.footer-nav ul li a:hover {
  padding-left: var(--spacing-sm);
}

.footer-contact p {
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-contact p i {
  color: var(--primary-light);
}

.footer-contact p a {
  color: var(--primary-light);
}

.footer-bottom {
  padding: var(--spacing-lg) 0;
  text-align: center;
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 40px;
  height: 40px;
  background-color: var(--primary);
  color: var(--white);
  border-radius: var(--border-radius-full);
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
  z-index: 99;
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
}

/* ==========================================================================
   5. RESPONSIVIDADE
   ========================================================================== */
@media (max-width: 1200px) {
  :root {
    --container-width: 960px;
    --font-size-4xl: 3rem;
  }
}

@media (max-width: 992px) {
  :root {
    --container-width: 720px;
    --font-size-4xl: 2.5rem;
    --font-size-3xl: 2rem;
    --font-size-2xl: 1.75rem;
  }
  
  .hero .container,
  .about-content,
  .statistics-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    text-align: center;
  }
  
  .hero-image-slider {
    order: -1;
    margin: 0 auto var(--spacing-2xl);
    height: 300px;
  }

  .about-mosaic {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 150px);
    order: -1;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .footer-logo img {
    margin: 0 auto var(--spacing-md);
  }
  
  .feature, .footer-contact p {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 80px;
    --font-size-4xl: 2.25rem;
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.5rem;
    --font-size-xl: 1.25rem;
  }
  
  .header { height: var(--header-height); }
  .header .container { justify-content: space-between; }
  
  .logo1 img, .logo2 img { height: 60px; }
  
  .nav {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--white);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
    overflow-y: auto;
  }
  
  .nav.active { left: 0; }
  
  .nav-list {
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-md) 0;
  }
  
  .nav-list a {
    display: block;
    padding: var(--spacing-md) var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
  }
  
  .menu-toggle { display: block; }
  
  .hero {
    padding-top: calc(var(--header-height) + var(--spacing-2xl));
    min-height: auto;
  }
  
  .hero-content p {
    color: var