/* ========================================
   DESIGN SYSTEM - CASAL DA PECUÁRIA
   Design Tokens, Componentes Base & Utilities
   ======================================== */

/* ========================================
   1. TOKENS - CORES
   ======================================== */

:root {
  /* Primary Colors */
  --color-primary-green: #38C43B;
  --color-primary-green-dark: #2fa630;
  --color-primary-green-light: #5fd558;

  /* Accent Colors */
  --color-accent-gold: #FFB800;
  --color-accent-gold-dark: #FFA500;
  --color-accent-terra: #C85A2E;
  --color-accent-terra-light: #E07A4A;

  /* Neutral Colors */
  --color-neutral-dark-primary: #1a1a1a;
  --color-neutral-dark-secondary: #2a2a2a;
  --color-neutral-dark-tertiary: #3a3a3a;
  --color-neutral-light: #f8f8f8;
  --color-neutral-light-secondary: #fafafa;
  --color-neutral-text-primary: #333;
  --color-neutral-text-secondary: #666;
  --color-neutral-text-tertiary: #999;
  --color-neutral-border: #e0e0e0;

  /* Semantic Colors */
  --color-background-light: #f8f8f8;
  --color-background-dark: #1a1a1a;
  --color-surface-light: #ffffff;
  --color-surface-dark: rgba(255, 255, 255, 0.05);
  --color-text-on-light: #1a1a1a;
  --color-text-on-dark: #ffffff;
}

/* ========================================
   2. TOKENS - TIPOGRAFIA
   ======================================== */

:root {
  /* Font Families */
  --font-family-display: 'Crimson Text', 'Crimson Text Fallback', serif;
  --font-family-body: 'Plus Jakarta Sans', 'Plus Jakarta Sans Fallback', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Font Sizes - Escala Modular (1.125 ratio) */
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 28px;
  --font-size-3xl: 36px;
  --font-size-4xl: 48px;
  --font-size-5xl: 52px;
  --font-size-6xl: 56px;

  /* Font Weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Line Heights */
  --line-height-tight: 1.15;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;

  /* Letter Spacing */
  --letter-spacing-tight: -1px;
  --letter-spacing-normal: 0px;
  --letter-spacing-relaxed: 0.5px;
  --letter-spacing-expanded: 2px;
}

/* ========================================
   3. TOKENS - ESPAÇAMENTO
   ======================================== */

:root {
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 15px;
  --spacing-lg: 20px;
  --spacing-xl: 30px;
  --spacing-2xl: 40px;
  --spacing-3xl: 60px;
  --spacing-4xl: 80px;
}

/* ========================================
   4. TOKENS - SOMBRAS
   ======================================== */

:root {
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 12px 28px rgba(0, 0, 0, 0.25);
  --shadow-2xl: 0 20px 40px rgba(0, 0, 0, 0.3);
  --shadow-2xl-dark: 0 20px 50px rgba(0, 0, 0, 0.4);
  --shadow-glow-green: 0 0 0 4px rgba(56, 196, 59, 0.15);
  --shadow-glow-gold: 0 0 0 4px rgba(255, 184, 0, 0.2);
}

/* ========================================
   5. TOKENS - BORDER RADIUS
   ======================================== */

:root {
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
}

/* ========================================
   6. TOKENS - TRANSIÇÕES
   ======================================== */

:root {
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.4s ease;
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  --timing-ease-out: cubic-bezier(0.34, 1.56, 0.64, 1);
  --timing-ease-in: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   7. TOKENS - Z-INDEX
   ======================================== */

:root {
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 1000;
}

/* ========================================
   8. ANIMAÇÕES GLOBAIS
   ======================================== */

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(56, 196, 59, 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(56, 196, 59, 0);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes shimmerButton {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* ========================================
   9. COMPONENTES - BUTTON
   ======================================== */

.btn {
  font-family: var(--font-family-body);
  font-weight: var(--font-weight-bold);
  border: none;
  cursor: pointer;
  transition: all var(--transition-bounce);
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  position: relative;
  overflow: hidden;
  font-size: var(--font-size-sm);
}

.btn:active {
  transform: translateY(-1px) scale(0.98);
}

/* Button - Primary */
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-green), var(--color-primary-green-dark));
  color: var(--color-text-on-dark);
  padding: var(--spacing-md) var(--spacing-lg);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-green-dark), #26932a);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(56, 196, 59, 0.35);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmerButton 0.5s forwards;
  will-change: transform;
}

/* Button - Secondary (Gold) */
.btn-secondary {
  background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-gold-dark));
  color: var(--color-text-on-light);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--color-accent-gold-dark), #FF9500);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 20px rgba(255, 184, 0, 0.4);
}

/* ========================================
   10. COMPONENTES - INPUT
   ======================================== */

.input {
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid var(--color-neutral-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-family: var(--font-family-body);
  transition: all var(--transition-base);
  background: var(--color-surface-light);
  width: 100%;
}

.input:focus {
  outline: none;
  border-color: var(--color-primary-green);
  background: var(--color-neutral-light-secondary);
  box-shadow: var(--shadow-glow-green);
  transform: translateY(-2px);
}

.input::placeholder {
  color: var(--color-neutral-text-tertiary);
}

/* ========================================
   11. COMPONENTES - CARD
   ======================================== */

.card {
  background: var(--color-surface-dark);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: var(--spacing-2xl) var(--spacing-xl);
  border-radius: var(--radius-lg);
  transition: all var(--transition-bounce);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 184, 0, 0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(200, 90, 46, 0.4);
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-2xl);
}

.card:hover::before {
  opacity: 1;
}

.card-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
  display: block;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.card-title {
  font-family: var(--font-family-body);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-on-dark);
}

.card-text {
  font-size: var(--font-size-sm);
  color: #bbb;
  line-height: var(--line-height-relaxed);
}

/* ========================================
   12. COMPONENTES - STAT BOX
   ======================================== */

.stat-box {
  background: var(--color-surface-light);
  padding: var(--spacing-md) var(--spacing-sm);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 2px solid var(--color-neutral-border);
  transition: all var(--transition-bounce);
  position: relative;
  overflow: hidden;
}

.stat-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(56, 196, 59, 0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.stat-box:hover {
  border-color: var(--color-primary-green);
  box-shadow: 0 12px 28px rgba(56, 196, 59, 0.15);
  transform: translateY(-4px);
}

.stat-box:hover::before {
  opacity: 1;
}

.stat-icon {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.stat-number {
  font-family: var(--font-family-display);
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-green);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-neutral-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-relaxed);
  font-weight: var(--font-weight-semibold);
}

/* ========================================
   13. COMPONENTES - TIMELINE
   ======================================== */

.timeline-item {
  display: flex;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  align-items: flex-start;
  position: relative;
  padding-left: 60px;
  animation: slideUp 0.8s ease-out both;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  background: var(--color-accent-gold);
  border-radius: 50%;
  z-index: var(--z-base);
  box-shadow: 0 0 0 4px rgba(255, 184, 0, 0.2);
  transition: all var(--transition-base);
}

.timeline-item:hover::before {
  box-shadow: 0 0 0 8px rgba(255, 184, 0, 0.3);
  transform: scale(1.2);
}

.timeline-item::after {
  content: '';
  position: absolute;
  left: 11px;
  top: 24px;
  width: 2px;
  height: calc(100% + 40px);
  background: linear-gradient(180deg, var(--color-accent-gold) 0%, rgba(255, 184, 0, 0) 100%);
  z-index: calc(var(--z-base) - 1);
}

.timeline-item:last-child::after {
  display: none;
}

.timeline-time {
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-base);
  color: var(--color-accent-terra);
}

.timeline-title {
  font-family: var(--font-family-body);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-on-dark);
}

.timeline-text {
  font-size: var(--font-size-sm);
  color: #aaa;
}

/* ========================================
   14. UTILITY - TYPOGRAPHY
   ======================================== */

.heading-1 {
  font-family: var(--font-family-display);
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
}

.heading-2 {
  font-family: var(--font-family-display);
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
}

.heading-3 {
  font-family: var(--font-family-display);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
}

.body-base {
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
}

.body-secondary {
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
}

.label-uppercase {
  font-family: var(--font-family-body);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-expanded);
  text-transform: uppercase;
}

/* ========================================
   15. UTILITY - SPACING
   ======================================== */

.mt-xs { margin-top: var(--spacing-xs); }
.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); }
.mt-2xl { margin-top: var(--spacing-2xl); }
.mt-3xl { margin-top: var(--spacing-3xl); }
.mt-4xl { margin-top: var(--spacing-4xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.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); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }
.mb-3xl { margin-bottom: var(--spacing-3xl); }
.mb-4xl { margin-bottom: var(--spacing-4xl); }

.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }
.p-2xl { padding: var(--spacing-2xl); }
.p-3xl { padding: var(--spacing-3xl); }
.p-4xl { padding: var(--spacing-4xl); }

.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }
.gap-2xl { gap: var(--spacing-2xl); }

/* ========================================
   16. UTILITY - FLEXBOX
   ======================================== */

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

/* ========================================
   17. UTILITY - GRID
   ======================================== */

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* ========================================
   18. UTILITY - COLORS
   ======================================== */

.text-primary { color: var(--color-primary-green); }
.text-terra { color: var(--color-accent-terra); }
.text-gold { color: var(--color-accent-gold); }
.text-secondary { color: var(--color-neutral-text-secondary); }

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

/* ========================================
   19. UTILITY - ANIMAÇÕES
   ======================================== */

.animate-slideUp {
  animation: slideUp 0.8s ease-out;
}

.animate-fadeIn {
  animation: fadeIn 1s ease-out;
}

.animate-glow {
  animation: glow infinite 2s ease-in-out;
}

/* ========================================
   20. RESPONSIVE HELPERS
   ======================================== */

@media (max-width: 768px) {
  :root {
    --font-size-6xl: 36px;
    --font-size-5xl: 32px;
    --font-size-4xl: 28px;
    --spacing-4xl: 60px;
  }

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

@media (max-width: 480px) {
  :root {
    --font-size-6xl: 28px;
    --font-size-5xl: 24px;
    --font-size-4xl: 20px;
    --spacing-2xl: 20px;
    --spacing-3xl: 40px;
  }

  .heading-1 {
    font-size: var(--font-size-4xl);
  }
}