/* ============================================
   TIC ENGENHARIA E AUTOMAÇÃO
   CSS Principal - Design System
   ============================================ */

/* ------------------------------------------
   1. VARIÁVEIS CSS
   ------------------------------------------ */
:root {
  /* Cores Primárias */
  --tic-laranja: #E07B39;
  --tic-laranja-dark: #C46A2F;
  --tic-laranja-light: #F0955A;
  --tic-laranja-rgb: 224, 123, 57;
  
  /* Cores Secundárias */
  --tic-grafite: #3D3D3D;
  --tic-grafite-light: #5A5A5A;
  --tic-grafite-dark: #2A2A2A;
  --tic-grafite-rgb: 61, 61, 61;
  
  /* Cores de Suporte */
  --tic-cinza: #F5F5F5;
  --tic-cinza-medio: #E0E0E0;
  --tic-cinza-escuro: #9E9E9E;
  --tic-branco: #FFFFFF;
  --tic-preto: #1A1A1A;
  
  /* Cores de Feedback */
  --tic-sucesso: #27AE60;
  --tic-alerta: #F39C12;
  --tic-erro: #E74C3C;
  --tic-info: #3498DB;
  
  /* Cores de Redes Sociais */
  --whatsapp: #25D366;
  --linkedin: #0077B5;
  --instagram: #E4405F;
  --facebook: #1877F2;
  
  /* Tipografia */
  --font-titulo: 'Montserrat', sans-serif;
  --font-corpo: 'Open Sans', sans-serif;
  --font-mono: 'Roboto Mono', monospace;
  
  /* Tamanhos de Fonte */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */
  
  /* Espaçamento (base 8px) */
  --space-1: 0.5rem;       /* 8px */
  --space-2: 1rem;         /* 16px */
  --space-3: 1.5rem;       /* 24px */
  --space-4: 2rem;         /* 32px */
  --space-5: 3rem;         /* 48px */
  --space-6: 4rem;         /* 64px */
  --space-7: 6rem;         /* 96px */
  --space-8: 8rem;         /* 128px */
  
  /* Bordas */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-colored: 0 8px 20px rgba(var(--tic-laranja-rgb), 0.3);
  
  /* Transições */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Z-index Scale */
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
  --z-preloader: 9999;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-corpo);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--tic-grafite);
  background-color: var(--tic-branco);
  overflow-x: hidden;
}

/* Preloader ativo - prevenir scroll */
body.preloader-active {
  overflow: hidden;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-titulo);
  font-weight: 700;
  line-height: 1.2;
  color: var(--tic-preto);
}

/* ------------------------------------------
   3. UTILITÁRIOS
   ------------------------------------------ */

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.container-narrow {
  max-width: 960px;
}

.container-wide {
  max-width: 1440px;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-4);
}

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

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

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

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

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* Espaçamento */
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-7 { margin-top: var(--space-7); }
.mt-8 { margin-top: var(--space-8); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-7 { margin-bottom: var(--space-7); }
.mb-8 { margin-bottom: var(--space-8); }

.py-1 { padding-top: var(--space-1); padding-bottom: var(--space-1); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-5 { padding-top: var(--space-5); padding-bottom: var(--space-5); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-7 { padding-top: var(--space-7); padding-bottom: var(--space-7); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }

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

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }

.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.text-laranja { color: var(--tic-laranja); }
.text-grafite { color: var(--tic-grafite); }
.text-cinza { color: var(--tic-cinza-escuro); }
.text-branco { color: var(--tic-branco); }

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

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

/* ------------------------------------------
   4. COMPONENTES - BOTÕES
   ------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-titulo);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--tic-laranja);
  color: var(--tic-branco);
}

.btn-primary:hover {
  background-color: var(--tic-laranja-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-colored);
}

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

.btn-secondary:hover {
  background-color: var(--tic-laranja);
  color: var(--tic-branco);
}

.btn-white {
  background-color: var(--tic-branco);
  color: var(--tic-laranja);
}

.btn-white:hover {
  background-color: var(--tic-cinza);
}

.btn-lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-lg);
}

.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
}

/* Botão WhatsApp Flutuante */
.btn-whatsapp {
  position: fixed;
  bottom: var(--space-4);
  right: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: var(--whatsapp);
  color: var(--tic-branco);
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  z-index: var(--z-fixed);
  transition: transform var(--transition-base);
  animation: pulse-whatsapp 2s infinite;
}

.btn-whatsapp:hover {
  transform: scale(1.1);
  animation: none;
}

.btn-whatsapp svg {
  width: 28px;
  height: 28px;
}

@keyframes pulse-whatsapp {
  0%, 100% { box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.7); }
}

/* ------------------------------------------
   5. COMPONENTES - CARDS
   ------------------------------------------ */
.card {
  background-color: var(--tic-branco);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.card-icon {
  width: 64px;
  height: 64px;
  background-color: rgba(var(--tic-laranja-rgb), 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}

.card-icon svg {
  width: 32px;
  height: 32px;
  color: var(--tic-laranja);
}

.card-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--tic-preto);
}

.card-text {
  color: var(--tic-grafite-light);
  line-height: 1.6;
}

/* ------------------------------------------
   6. COMPONENTES - FORMULÁRIOS
   ------------------------------------------ */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-family: var(--font-titulo);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--tic-grafite);
  margin-bottom: var(--space-2);
}

.form-label span {
  color: var(--tic-erro);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3);
  font-size: var(--text-base);
  color: var(--tic-grafite);
  background-color: var(--tic-branco);
  border: 2px solid var(--tic-cinza-medio);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--tic-laranja);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--tic-cinza-escuro);
}

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

.form-error {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--tic-erro);
}

.form-success {
  background-color: rgba(39, 174, 96, 0.1);
  border: 1px solid var(--tic-sucesso);
  color: var(--tic-sucesso);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  text-align: center;
}

/* ------------------------------------------
   7. COMPONENTES - SEÇÕES
   ------------------------------------------ */
.section {
  padding: var(--space-7) 0;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-6);
}

.section-label {
  display: inline-block;
  font-family: var(--font-titulo);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--tic-laranja);
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--tic-preto);
  margin-bottom: var(--space-3);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--tic-grafite-light);
  line-height: 1.7;
}

.section-bg-cinza {
  background-color: var(--tic-cinza);
}

.section-bg-dark {
  background-color: var(--tic-grafite-dark);
  color: var(--tic-branco);
}

.section-bg-dark .section-title {
  color: var(--tic-branco);
}

/* ------------------------------------------
   8. RESPONSIVIDADE
   ------------------------------------------ */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .section-title {
    font-size: var(--text-3xl);
  }
}

@media (max-width: 768px) {
  :root {
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
    --text-3xl: 1.5rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: var(--space-5) 0;
  }
  
  .btn {
    width: 100%;
  }
  
  .btn-whatsapp {
    width: 56px;
    height: 56px;
    bottom: var(--space-3);
    right: var(--space-3);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-2);
  }
  
  .section-title {
    font-size: var(--text-2xl);
  }
}

/* ------------------------------------------
   9. ANIMAÇÕES
   ------------------------------------------ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Classe para animações */
.animate {
  opacity: 0;
}

.animate.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.animate.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate.fade-in-down {
  animation: fadeInDown 0.6s ease forwards;
}

.animate.scale-in {
  animation: scaleIn 0.6s ease forwards;
}

.animate.slide-left {
  animation: slideInLeft 0.6s ease forwards;
}

.animate.slide-right {
  animation: slideInRight 0.6s ease forwards;
}

/* Delays */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ------------------------------------------
   10. PRINT STYLES
   ------------------------------------------ */
@media print {
  .btn-whatsapp,
  .preloader,
  nav {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
}