/* ========================================
   AMOEDO SOLUÇÕES CORPORATIVAS
   Design System & Global Styles
   ======================================== */

/* === ROOT VARIABLES === */
:root {
  /* Color Palette - Green Professional Theme */
  --primary-dark: #1a4d2e;
  --primary-medium: #2d6a4f;
  --primary-base: #40916c;
  --primary-light: #52b788;
  --primary-lighter: #74c69d;
  --primary-pale: #95d5b2;
  --primary-subtle: #b7e4c7;
  --primary-ghost: #d8f3dc;
  
  /* Neutral Colors */
  --neutral-900: #1b1b1b;
  --neutral-800: #2d2d2d;
  --neutral-700: #404040;
  --neutral-600: #666666;
  --neutral-500: #808080;
  --neutral-400: #a0a0a0;
  --neutral-300: #cccccc;
  --neutral-200: #e5e5e5;
  --neutral-100: #f5f5f5;
  --neutral-50: #fafafa;
  
  /* Semantic Colors */
  --success: #40916c;
  --warning: #f4a261;
  --error: #e63946;
  --info: #457b9d;
  
  /* Typography */
  --font-system: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 
                 Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: 'Courier New', Courier, monospace;
  
  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  
  /* Container Widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* === RESET & 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-system);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--neutral-800);
  background-color: var(--neutral-50);
  overflow-x: hidden;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary-dark);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
}

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

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
  font-weight: 600;
}

p {
  margin-bottom: var(--space-sm);
  max-width: 70ch;
}

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

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

strong {
  font-weight: 600;
  color: var(--neutral-900);
}

/* === LAYOUT UTILITIES === */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-lg {
  max-width: var(--container-lg);
}

.container-md {
  max-width: var(--container-md);
}

.section {
  padding: var(--space-3xl) 0;
}

.section-sm {
  padding: var(--space-2xl) 0;
}

.section-lg {
  padding: 5rem 0;
}

/* === HEADER === */
.site-header {
  background: white;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-base);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  max-width: var(--container-xl);
  margin: 0 auto;
}

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

.logo {
  height: 50px;
  width: auto;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
}

.main-nav a {
  color: var(--neutral-700);
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.main-nav a:hover {
  color: var(--primary-base);
  background: var(--primary-ghost);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--neutral-700);
  margin: 5px 0;
  transition: all var(--transition-base);
  border-radius: 2px;
}

/* === HERO SECTION === */
.hero {
  background: linear-gradient(135deg, var(--primary-ghost) 0%, var(--primary-subtle) 100%);
  padding: var(--space-3xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: url('../assets/images/hero.svg') no-repeat center;
  background-size: cover;
  opacity: 0.6;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
}

.hero-tag {
  display: inline-block;
  background: var(--primary-base);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero h1 {
  color: var(--primary-dark);
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--neutral-700);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

/* === CONTENT SECTIONS === */
.content-section {
  background: white;
  padding: var(--space-3xl) 0;
  position: relative;
}

.content-section:nth-child(even) {
  background: var(--neutral-50);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-2xl);
}

.section-tag {
  display: inline-block;
  color: var(--primary-base);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-sm);
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-description {
  font-size: 1.125rem;
  color: var(--neutral-600);
  max-width: 100%;
}

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

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

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* === CARDS === */
.card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid var(--neutral-200);
}

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

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-ghost);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--primary-base);
  font-size: 1.5rem;
  font-weight: 700;
}

.card-title {
  font-size: 1.25rem;
  color: var(--primary-dark);
  margin-bottom: var(--space-sm);
}

.card-text {
  color: var(--neutral-600);
  line-height: 1.7;
}

/* === INFO BOXES === */
.info-box {
  background: var(--primary-ghost);
  border-left: 4px solid var(--primary-base);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  margin: var(--space-lg) 0;
}

.info-box-warning {
  background: #fff3cd;
  border-left-color: var(--warning);
}

.info-box-error {
  background: #f8d7da;
  border-left-color: var(--error);
}

.info-box-title {
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-xs);
  font-size: 1.1rem;
}

/* === TABLES === */
.table-wrapper {
  overflow-x: auto;
  margin: var(--space-lg) 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

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

th {
  padding: var(--space-md);
  text-align: left;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--neutral-200);
}

tbody tr:hover {
  background: var(--primary-ghost);
}

/* === LISTS === */
.styled-list {
  list-style: none;
  margin: var(--space-lg) 0;
}

.styled-list li {
  padding: var(--space-sm) 0;
  padding-left: var(--space-lg);
  position: relative;
  line-height: 1.7;
}

.styled-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-base);
  font-weight: 700;
  font-size: 1.2rem;
}

/* === BUTTONS === */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  text-align: center;
}

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

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

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

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

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

.form-label {
  display: block;
  font-weight: 600;
  color: var(--neutral-800);
  margin-bottom: var(--space-xs);
  font-size: 0.95rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--neutral-300);
  border-radius: var(--radius-md);
  font-family: var(--font-system);
  font-size: 1rem;
  transition: all var(--transition-fast);
  background: white;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-base);
  box-shadow: 0 0 0 3px var(--primary-ghost);
}

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

.form-error {
  color: var(--error);
  font-size: 0.875rem;
  margin-top: var(--space-xs);
  display: none;
}

.form-group.error .form-error {
  display: block;
}

.form-group.error .form-input,
.form-group.error .form-textarea {
  border-color: var(--error);
}

/* === FAQ ACCORDION === */
.faq-item {
  background: white;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  border: 1px solid var(--neutral-200);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: none;
  border: none;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-fast);
}

.faq-question:hover {
  background: var(--primary-ghost);
}

.faq-icon {
  transition: transform var(--transition-base);
  font-size: 1.5rem;
  color: var(--primary-base);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
  max-height: 1000px;
}

.faq-answer-content {
  padding: 0 var(--space-lg) var(--space-lg);
  color: var(--neutral-700);
  line-height: 1.7;
}

/* === FOOTER === */
.site-footer {
  background: var(--primary-dark);
  color: white;
  padding: var(--space-2xl) 0 var(--space-sm);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-section h4 {
  color: var(--primary-pale);
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
}

.footer-section p,
.footer-section a {
  color: var(--primary-subtle);
  font-size: 0.95rem;
  line-height: 1.8;
}

.footer-section a:hover {
  color: white;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-xs);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-md);
  text-align: center;
  font-size: 0.75rem;
  opacity: 0.5;
  line-height: 1.3;
}

.footer-bottom p {
  margin-bottom: 0.25rem;
  max-width: 100%;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    box-shadow: var(--shadow-md);
  }
  
  .main-nav.active {
    display: block;
  }
  
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: var(--space-md);
  }
  
  .main-nav li {
    border-bottom: 1px solid var(--neutral-200);
  }
  
  .main-nav a {
    display: block;
    padding: var(--space-md);
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero::before {
    width: 100%;
    opacity: 0.3;
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 14px;
  }
  
  .container {
    padding: 0 var(--space-sm);
  }
  
  .section {
    padding: var(--space-xl) 0;
  }
}

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

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

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

.hidden { display: none; }
.visible { display: block; }

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

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

/* === SUCCESS MESSAGE === */
.success-message {
  background: var(--success);
  color: white;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  margin-top: var(--space-md);
  display: none;
  text-align: center;
  font-weight: 600;
}

.success-message.show {
  display: block;
  animation: fadeIn 0.4s ease;
}