/* ============================================
   INSTITUTO DA PAZ - ESTILOS GLOBAIS
   Otimizado para Conversão e Performance
   ============================================ */

:root {
  /* Cores da Marca */
  --primary-color: #E91E63;
  --primary-dark: #C2185B;
  --primary-light: #F8BBD0;
  --secondary-color: #9C27B0;
  --accent-color: #FF4081;
  
  /* Cores Neutras */
  --white: #FFFFFF;
  --black: #000000;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-300: #E0E0E0;
  --gray-700: #616161;
  --gray-900: #212121;
  
  /* Cores de Status */
  --success: #4CAF50;
  --warning: #FF9800;
  --error: #F44336;
  
  /* Tipografia */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Poppins', 'Inter', sans-serif;
  
  /* Espaçamentos */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --shadow-md: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
  --shadow-lg: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
  
  /* Transições */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--gray-900);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

/* Containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Botões */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: var(--font-primary);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-large {
  padding: 1.25rem 2.5rem;
  font-size: 1.25rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* Formulários */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--gray-700);
}

.form-input {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
  border: 2px solid var(--gray-300);
  border-radius: 8px;
  transition: border-color var(--transition-fast);
  font-family: var(--font-primary);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-select {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
  border: 2px solid var(--gray-300);
  border-radius: 8px;
  background-color: var(--white);
  cursor: pointer;
  font-family: var(--font-primary);
}

/* Cards */
.card {
  background: var(--white);
  border-radius: 12px;
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 20px;
  background-color: var(--primary-light);
  color: var(--primary-dark);
}

/* Seções */
.section {
  padding: var(--spacing-2xl) 0;
}

.section-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #FFF0F5 0%, #F8BBD0 100%);
}

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

.section-gray {
  background-color: var(--gray-50);
}

/* Botão WhatsApp Flutuante */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 15px 30px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
  width: 35px;
  height: 35px;
  fill: var(--white);
}

/* Animação de Pulso */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

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

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

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

.text-secondary {
  color: var(--secondary-color);
}

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

/* Responsividade */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .btn {
    padding: 0.875rem 1.5rem;
  }
  
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 55px;
    height: 55px;
  }
  
  .whatsapp-float svg {
    width: 30px;
    height: 30px;
  }
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.spinner {
  border: 3px solid var(--gray-200);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Acessibilidade */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Print Styles */
@media print {
  .whatsapp-float,
  .btn,
  nav {
    display: none;
  }
}