/* ===================================
   APRESENTAÇÃO - DESIGN SYSTEM
   Premium Strategic Presentation
   =================================== */

/* ===== IMPORTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@400;500;600;700&display=swap');

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

/* ===== ROOT VARIABLES ===== */
:root {
  /* Colors - Light & Premium Palette */
  --color-bg-primary: #FAFAF9;
  --color-bg-secondary: #F5F5F4;
  --color-bg-tertiary: #F8F7F4;
  --color-accent-soft: #E8E5E1;
  
  /* Soft Pastels */
  --color-green-soft: #E8F5E9;
  --color-green-medium: #A5D6A7;
  --color-green-primary: #66BB6A;
  
  --color-blue-soft: #E3F2FD;
  --color-blue-medium: #90CAF9;
  --color-blue-primary: #42A5F5;
  
  --color-beige-soft: #F5F1E8;
  --color-beige-medium: #E8DCC8;
  
  /* Text Colors */
  --color-text-primary: #2C2C2C;
  --color-text-secondary: #5A5A5A;
  --color-text-tertiary: #8A8A8A;
  --color-text-light: #FFFFFF;
  
  /* Gradients */
  --gradient-soft: linear-gradient(135deg, #F8F7F4 0%, #E8F5E9 100%);
  --gradient-premium: linear-gradient(135deg, #FAFAF9 0%, #E3F2FD 50%, #E8F5E9 100%);
  --gradient-accent: linear-gradient(135deg, #66BB6A 0%, #42A5F5 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.6) 100%);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 200ms ease-out;
  --transition-base: 300ms ease-out;
  --transition-slow: 500ms ease-out;
  --transition-bounce: 400ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Z-Index */
  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 100;
  --z-overlay: 1000;
  --z-modal: 10000;
}

/* ===== GLOBAL STYLES ===== */
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--gradient-premium);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.2;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--text-5xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--text-4xl);
  font-weight: 600;
}

h3 {
  font-size: var(--text-3xl);
  font-weight: 600;
}

h4 {
  font-size: var(--text-2xl);
  font-weight: 600;
}

p {
  font-family: var(--font-primary);
  line-height: 1.8;
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

.text-large {
  font-size: var(--text-xl);
  line-height: 1.7;
}

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

/* ===== LAYOUT CONTAINERS ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-narrow {
  max-width: 800px;
}

.container-wide {
  max-width: 1400px;
}

/* ===== SECTIONS ===== */
section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4xl) 0;
  position: relative;
  overflow: hidden;
}

.section-content {
  width: 100%;
  z-index: var(--z-base);
  position: relative;
}

/* ===== GLASS CARDS ===== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

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

.glass-card-sm {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  line-height: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: var(--gradient-accent);
  color: var(--color-text-light);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  color: var(--color-text-primary);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
}

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

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* Scroll Animation Classes */
.fade-in {
  opacity: 0;
  animation: fadeIn 0.8s ease-out forwards;
}

.fade-in-left {
  opacity: 0;
  animation: fadeInLeft 0.8s ease-out forwards;
}

.fade-in-right {
  opacity: 0;
  animation: fadeInRight 0.8s ease-out forwards;
}

.scale-in {
  opacity: 0;
  animation: scaleIn 0.6s ease-out forwards;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }

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

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

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

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

/* ===== FEATURE CARDS ===== */
.feature-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

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

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  background: var(--gradient-accent);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  color: white;
  transition: all var(--transition-bounce);
}

.feature-card:hover .feature-icon {
  transform: rotate(10deg) scale(1.1);
}

/* ===== NAVIGATION ===== */
.nav-container {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: var(--z-sticky);
}

.nav-dots {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  padding: var(--space-md);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
}

.nav-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
}

.nav-dot:hover {
  background: var(--color-green-medium);
  transform: scale(1.3);
}

.nav-dot.active {
  background: var(--color-green-primary);
  transform: scale(1.5);
}

/* ===== STATS / NUMBERS ===== */
.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-label {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ===== BACKGROUND DECORATIONS ===== */
.bg-decoration {
  position: absolute;
  border-radius: 50%;
  opacity: 0.3;
  filter: blur(80px);
  pointer-events: none;
}

.bg-circle-1 {
  width: 500px;
  height: 500px;
  background: var(--color-green-soft);
  top: -250px;
  right: -250px;
}

.bg-circle-2 {
  width: 400px;
  height: 400px;
  background: var(--color-blue-soft);
  bottom: -200px;
  left: -200px;
}

.bg-circle-3 {
  width: 300px;
  height: 300px;
  background: var(--color-beige-soft);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* ===== DIVIDERS ===== */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-soft), transparent);
  margin: var(--space-2xl) 0;
}

.divider-vertical {
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, transparent, var(--color-accent-soft), transparent);
}

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  :root {
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
    --text-3xl: 1.75rem;
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
    --text-3xl: 1.5rem;
    --space-4xl: 4rem;
    --space-3xl: 3rem;
  }
  
  section {
    padding: var(--space-3xl) 0;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .nav-container {
    bottom: var(--space-lg);
    right: 50%;
    transform: translateX(50%);
    top: auto;
  }
  
  .nav-dots {
    flex-direction: row;
  }
}

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

.mt-xs { margin-top: var(--space-xs); }
.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-xs { margin-bottom: var(--space-xs); }
.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; }