/* 
 * Frente Parlamentar da Vacina - Versão 1
 * Estilo moderno e profissional
 */

:root {
  /* Cores principais */
  --primary: #14204B;
  --primary-dark: #172A63;
  --primary-light: #2E4C8C;
  --secondary: #317C60;
  --secondary-dark: #008c58;
  --secondary-light: #33c18b;
  --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: 80px;
}

/* ===== RESET ===== */
*, *::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);
}

/* ===== UTILITÁRIOS ===== */
.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 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}

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

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
}

.section-header.light h2,
.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-weight: 600;
  text-align: center;
  transition: var(--transition-normal);
  border: none;
  cursor: pointer;
  font-family: var(--font-primary);
}

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

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

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

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

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

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

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

.btn-light:hover {
  background-color: var(--gray-100);
  color: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

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

.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%;
}

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

.logo img {
  height: 120px;
}

.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::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%;
}

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

.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 SECTION ===== */
.hero {
  position: relative;
  padding: calc(var(--header-height) + var(--spacing-4xl)) 0 var(--spacing-4xl);
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white);
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

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

.hero-content p {
  font-size: var(--font-size-xs);
  margin-bottom: var(--spacing-xs);
  color: var(--secondary);
  opacity: 1.5;
  /*text-shadow: 1px 1px 3px rgba(0, 0, 0, 2);  Added for better visibility */
}

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

.hero-image img {
  max-height: 400px;
  margin-left: auto;
  border-radius: 30px; /* Added for rounded corners */
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15); /* Added for depth */
}

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

/* ===== METRICS SECTION ===== */
.metrics {
  padding: var(--spacing-2xl) 0;
}

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

/* ===== ABOUT SECTION ===== */
.about {
  padding: var(--spacing-4xl) 0;
  background-color: var(--gray-100);
}

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

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

.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;
}

/* ===== STATISTICS SECTION ===== */
.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);
}

.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;
}

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

.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);
}

/* ===== CTA SECTION ===== */
.cta {
  padding: var(--spacing-3xl) 0;
  background-color: var(--gray-100);
  text-align: center;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

.cta-content p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  color: var(--gray-600);
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--white);
  color: var(--primary-light);
  padding-top: var(--spacing-3xl);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.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);
  transition: var(--transition-normal);
}

.footer-nav ul li a:hover {
  color: var(--primary-light);
  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-bottom {
  padding: var(--spacing-lg) 0;
  text-align: center;
}

/* ===== BACK TO TOP ===== */
.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);
  color: var(--white);
  transform: translateY(-3px);
}

/* ===== 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);
  }
  
  .hero-image {
    order: -1;
    text-align: center;
  }
  
  .hero-image img {
    margin: 0 auto;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    text-align: center;
  }
  
  .footer-logo img {
    margin: 0 auto var(--spacing-md);
  }
  
  .feature,
  .footer-contact p {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  :root {
    --container-width: 540px;
    --header-height: 70px;
    --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);
  }
  
  .logo img {
    height: 50px;
  }
  
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: 0;
    background-color: var(--white);
    overflow: hidden;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
  }
  
  .nav.active {
    height: auto;
  }
  
  .nav-list {
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-md) 0;
  }
  
  .nav-list li {
    width: 100%;
  }
  
  .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));
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .feature {
    flex-direction: column;
    text-align: center;
  }
  
  .feature-icon {
    margin: 0 auto var(--spacing-md);
  }
}

@media (max-width: 576px) {
  :root {
    --container-width: 100%;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  
  .section-header {
    margin-bottom: var(--spacing-2xl);
  }
}