/* ================ VARIÁVEIS ================ */
:root {
  /* Cores Resolvido */
  --primary: #ff6f3d;       /* Laranja principal */
  --primary-dark: #e05a2b;  /* Laranja mais escuro */
  --primary-light: #ff8e5d; /* Laranja mais claro */
  --primary-extra-light: #fff0eb; /* Laranja muito claro */
  --secondary: #2a5ee8;     /* Azul */
  --secondary-dark: #1a4bc4;
  --dark: #2a2a2a;          /* Preto quase puro */
  --dark-2: #3d3d3d;        /* Preto mais claro */
  --dark-3: #555555;
  --light: #f9f9f9;         /* Branco de fundo */
  --light-2: #f0f0f0;       /* Cinza muito claro */
  --light-3: #e0e0e0;
  --gray: #8a8a8a;          /* Cinza médio */
  --gray-dark: #6a6a6a;
  --white: #ffffff;
  --black: #000000;
  
  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  --gradient-primary-light: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
  --gradient-light: linear-gradient(135deg, var(--light) 0%, var(--light-2) 100%);
  --gradient-dark: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  
  /* Tipografia */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Roboto Mono', monospace;
  
  /* Espaçamentos */
  --space-xxs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-xxl: 4rem;
  
  /* Bordas */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Sombras */
  --shadow-xs: 0 1px 2px rgba(42, 42, 42, 0.05);
  --shadow-sm: 0 1px 3px rgba(42, 42, 42, 0.1);
  --shadow-md: 0 4px 6px rgba(42, 42, 42, 0.1);
  --shadow-lg: 0 10px 25px rgba(42, 42, 42, 0.1);
  --shadow-xl: 0 20px 40px rgba(42, 42, 42, 0.15);
  --shadow-primary: 0 4px 20px rgba(255, 111, 61, 0.3);
  --shadow-primary-lg: 0 10px 30px rgba(255, 111, 61, 0.4);
  
  /* Transições */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  
  /* Z-index */
  --z-back: -10;
  --z-normal: 1;
  --z-tooltip: 10;
  --z-fixed: 100;
  --z-modal: 1000;
}

/* ================ RESET & BASE ================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--light);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Tipografia responsiva */
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
}

/* Seleção de texto */
::selection {
  background-color: var(--primary);
  color: var(--white);
}

/* Links */
a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

/* Listas */
ul, ol {
  list-style: none;
}

/* Botões e inputs */
button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  outline: none;
}

button {
  cursor: pointer;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Sections */
.section {
  padding: var(--space-xl) 0;
  position: relative;
}

.section-sm {
  padding: var(--space-lg) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
  color: var(--dark);
}

.section-subtitle {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  margin-bottom: var(--space-sm);
  position: relative;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.section-subtitle::before,
.section-subtitle::after {
  content: '';
  position: absolute;
  top: 50%;
  width: var(--space-md);
  height: 1px;
  background-color: var(--primary);
}

.section-subtitle::before {
  left: 0;
}

.section-subtitle::after {
  right: 0;
}

.section-description {
  color: var(--gray-dark);
  font-size: 1.125rem;
}

.section-footer {
  margin-top: var(--space-xl);
  text-align: center;
}

/* Backgrounds */
.bg-light {
  background-color: var(--light);
}

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

.bg-dark .section-title,
.bg-dark .section-description {
  color: var(--white);
}

.bg-dark .section-subtitle {
  color: var(--primary-light);
}

.bg-dark .section-subtitle::before,
.bg-dark .section-subtitle::after {
  background-color: var(--primary-light);
}

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

.bg-primary .section-title,
.bg-primary .section-description {
  color: var(--white);
}

.bg-primary .section-subtitle {
  color: var(--white);
  opacity: 0.8;
}

.bg-primary .section-subtitle::before,
.bg-primary .section-subtitle::after {
  background-color: var(--white);
  opacity: 0.5;
}

/* ================ COMPONENTES ================ */

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  text-align: center;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-primary-lg);
}

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

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

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

.btn-light:hover {
  background: var(--light-2);
  transform: translateY(-3px);
}

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

.btn-outline-light:hover {
  background: var(--white);
  color: var(--primary);
  transform: translateY(-3px);
}

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

.btn-dark:hover {
  background: var(--dark-2);
  transform: translateY(-3px);
}

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

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

.btn-link {
  color: var(--primary);
  font-weight: 600;
  padding: 0;
  box-shadow: none;
  background: transparent;
}

.btn-link:hover {
  transform: none;
  box-shadow: none;
  color: var(--primary-dark);
}

.btn-link i {
  margin-left: var(--space-xs);
  transition: margin var(--transition-normal);
}

.btn-link:hover i {
  margin-left: var(--space-sm);
}

.btn-icon i {
  margin-left: var(--space-sm);
  transition: transform var(--transition-normal);
}

.btn-icon:hover i {
  transform: translateX(3px);
}

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

.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.875rem;
}

.btn-video {
  display: inline-flex;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.btn-video i {
  margin-right: var(--space-xs);
  font-size: 0.8rem;
}

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

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  overflow: hidden;
}

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

/* Badges */
.badge {
  display: inline-block;
  padding: var(--space-xxs) var(--space-sm);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.badge-light {
  background: var(--light-2);
  color: var(--dark);
}

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

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

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
  color: var(--dark);
}

.form-control {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--light-3);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  transition: all var(--transition-normal);
  background-color: var(--white);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 111, 61, 0.2);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-row {
  display: flex;
  margin: 0 calc(-1 * var(--space-sm)) var(--space-md);
}

.form-row > .form-group {
  flex: 1;
  padding: 0 var(--space-sm);
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
  margin: 0 var(--space-sm);
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--light-3);
  transition: .4s;
  border-radius: var(--radius-full);
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 4px;
  background-color: var(--white);
  transition: .4s;
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background-color: var(--primary);
}

input:checked + .toggle-slider:before {
  transform: translateX(26px);
}

/* ================ LAYOUT ================ */

/* Grid */
.grid {
  display: grid;
  gap: var(--space-md);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Flex */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Spacing */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }
.mt-5 { margin-top: var(--space-xxl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }
.mb-5 { margin-bottom: var(--space-xxl); }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--space-sm); }
.pt-2 { padding-top: var(--space-md); }
.pt-3 { padding-top: var(--space-lg); }
.pt-4 { padding-top: var(--space-xl); }
.pt-5 { padding-top: var(--space-xxl); }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--space-sm); }
.pb-2 { padding-bottom: var(--space-md); }
.pb-3 { padding-bottom: var(--space-lg); }
.pb-4 { padding-bottom: var(--space-xl); }
.pb-5 { padding-bottom: var(--space-xxl); }

/* Text */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-dark { color: var(--dark); }
.text-light { color: var(--light); }
.text-white { color: var(--white); }
.text-gray { color: var(--gray); }

.text-sm { font-size: 0.875rem; }
.text-md { font-size: 1rem; }
.text-lg { font-size: 1.25rem; }
.text-xl { font-size: 1.5rem; }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader--hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader__inner {
  text-align: center;
}

.preloader__animation {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-md);
}

.preloader__circle {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 4px solid transparent;
  border-radius: 50%;
  box-sizing: border-box;
}

.preloader__circle--primary {
  border-top-color: var(--primary);
  animation: preloader-spin 1.5s linear infinite;
}

.preloader__circle--secondary {
  border-top-color: var(--primary-light);
  animation: preloader-spin 1.5s linear infinite reverse;
}

.preloader__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
}

.preloader__logo-icon {
  color: var(--primary);
  margin-right: var(--space-sm);
  font-size: 1.8rem;
}

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