/* ============================================================================
   CREDILLE CONTABILIDADE - ESTILOS GLOBAIS
   Design: Elegância Contemporânea com Profundidade
   Paleta: Azul Marinho (#0F2540), Dourado (#B8860B), Cinza Quente (#6B7280)
   ============================================================================ */

/* RESET E VARIÁVEIS CSS */
:root {
  /* Cores Primárias */
  --color-primary: #0F2540;
  --color-primary-light: #1a3a52;
  --color-secondary: #B8860B;
  --color-secondary-light: #d4a574;
  --color-neutral-warm: #6B7280;
  --color-neutral-light: #F8F9FA;
  --color-white: #FFFFFF;
  --color-text-dark: #1f2937;
  --color-text-light: #6b7280;
  --color-border: #e5e7eb;
  --color-success: #10b981;
  --color-error: #ef4444;
  
  /* Tipografia */
  --font-serif: 'Georgia', 'Garamond', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-mono: 'Courier New', monospace;
  
  /* Tamanhos de Fonte */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  
  /* 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;
  
  /* Sombras */
  --shadow-sm: 0 1px 2px 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);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.2);
  
  /* Raios de Borda */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  
  /* Transições */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* RESET GLOBAL */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-dark);
  background-color: var(--color-white);
  overflow-x: hidden;
}

/* TIPOGRAFIA */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

h1 {
  font-size: var(--font-size-5xl);
  font-family: var(--font-serif);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: var(--font-size-4xl);
  font-family: var(--font-serif);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  position: relative;
  padding-bottom: var(--spacing-md);
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--color-secondary);
}

h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
}

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

h6 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
  position: relative;
}

a:hover {
  color: var(--color-secondary);
}

/* LINKS COM UNDERLINE ANIMADO */
a.link-animated {
  position: relative;
  display: inline-block;
}

a.link-animated::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-secondary);
  transition: width var(--transition-base);
}

a.link-animated:hover::after {
  width: 100%;
}

/* LISTAS */
ul, ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

li {
  margin-bottom: var(--spacing-sm);
}

/* TABELAS */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--color-primary);
}

td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

tbody tr:hover {
  background-color: var(--color-neutral-light);
  transition: background-color var(--transition-base);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* BLOCKQUOTES */
blockquote {
  border-left: 4px solid var(--color-secondary);
  padding-left: var(--spacing-lg);
  margin-left: 0;
  margin-bottom: var(--spacing-lg);
  color: var(--color-neutral-warm);
  font-style: italic;
  background-color: rgba(184, 134, 11, 0.05);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
}

/* CÓDIGO */
code {
  font-family: var(--font-mono);
  background-color: var(--color-neutral-light);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
  color: var(--color-primary);
}

pre {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

pre code {
  background-color: transparent;
  color: inherit;
  padding: 0;
}

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

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

/* GRID */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

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

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

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

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

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

.gap-lg {
  gap: var(--spacing-lg);
}

/* BOTÕES */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  text-align: center;
  font-family: var(--font-sans);
}

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

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

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

.btn-secondary:hover {
  background-color: var(--color-secondary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

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

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

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

/* CARDS */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}

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

.card-header {
  border-bottom: 2px solid var(--color-secondary);
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-bottom: 0;
}

/* SEÇÕES */
section {
  padding: var(--spacing-4xl) 0;
}

section:nth-child(odd) {
  background-color: var(--color-white);
}

section:nth-child(even) {
  background-color: var(--color-neutral-light);
}

section.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: var(--spacing-4xl) 0;
  position: relative;
  overflow: hidden;
}

section.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="80" cy="20" r="30" fill="rgba(255,255,255,0.05)"/><circle cx="20" cy="80" r="40" fill="rgba(255,255,255,0.03)"/></svg>');
  background-repeat: repeat;
  z-index: 0;
}

section.hero .container {
  position: relative;
  z-index: 1;
}

section.hero h1,
section.hero h2 {
  color: var(--color-white);
}

section.hero h2::after {
  background-color: var(--color-secondary);
}

/* BARRA LATERAL DOURADA */
.accent-bar {
  border-left: 4px solid var(--color-secondary);
  padding-left: var(--spacing-lg);
}

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

.text-right {
  text-align: right;
}

.text-left {
  text-align: left;
}

.text-muted {
  color: var(--color-text-light);
}

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

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

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

.text-sm {
  font-size: var(--font-size-sm);
}

.text-lg {
  font-size: var(--font-size-lg);
}

.text-bold {
  font-weight: 700;
}

.text-italic {
  font-style: italic;
}

.text-uppercase {
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

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

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

.mt-2xl {
  margin-top: var(--spacing-2xl);
}

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

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

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

.mb-2xl {
  margin-bottom: var(--spacing-2xl);
}

.pt-lg {
  padding-top: var(--spacing-lg);
}

.pt-xl {
  padding-top: var(--spacing-xl);
}

.pb-lg {
  padding-bottom: var(--spacing-lg);
}

.pb-xl {
  padding-bottom: var(--spacing-xl);
}

.px-lg {
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

.opacity-50 {
  opacity: 0.5;
}

.opacity-75 {
  opacity: 0.75;
}

/* RESPONSIVIDADE */
@media (max-width: 768px) {
  h1 {
    font-size: var(--font-size-3xl);
  }

  h2 {
    font-size: var(--font-size-2xl);
  }

  h3 {
    font-size: var(--font-size-xl);
  }

  section {
    padding: var(--spacing-2xl) 0;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

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

/* ANIMAÇÕES */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@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);
  }
}

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

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

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

/* SCROLL REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}