/* ============================================
   IMERSÃO GLOBAL - PREMIUM DESIGN SYSTEM
   ============================================ */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Montserrat:wght@700;800;900&display=swap');

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
  /* Colors - Primary */
  --color-primary: #B4FF39;
  --color-primary-hover: #9EE835;
  --color-primary-glow: rgba(180, 255, 57, 0.3);

  /* Colors - Accent */
  --color-accent-blue: #4A90E2;
  --color-accent-yellow: #FFB800;

  /* Colors - Dark Theme */
  --color-bg-primary: #0A0A0A;
  --color-bg-secondary: #141414;
  --color-bg-tertiary: #1A1A1A;
  --color-bg-card: #1E1E1E;
  --color-bg-card-hover: #252525;

  /* Colors - Text */
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #B0B0B0;
  --color-text-muted: #6B6B6B;

  /* Gradients */
  --gradient-hero: radial-gradient(circle at 30% 20%, rgba(74, 144, 226, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(180, 255, 57, 0.1) 0%, transparent 50%);
  --gradient-card: linear-gradient(145deg, rgba(30, 30, 30, 0.8) 0%, rgba(20, 20, 20, 0.9) 100%);
  --gradient-primary: linear-gradient(135deg, #B4FF39 0%, #9EE835 100%);
  --gradient-accent: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);

  /* 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;

  /* Typography Scale */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-heading: 'Montserrat', sans-serif;

  --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: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;
  --font-size-6xl: 4.5rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px var(--color-primary-glow);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 600ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family-primary);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-family-heading);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

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

h2 {
  font-size: var(--font-size-4xl);
  letter-spacing: -0.01em;
}

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

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

/* Text Utilities */
.text-primary {
  color: var(--color-text-primary);
}

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

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

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

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

/* ============================================
   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-family-heading);
  font-size: var(--font-size-lg);
  font-weight: 700;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg), 0 0 40px var(--color-primary-glow);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

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

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-bg-primary);
  transform: translateY(-2px);
}

/* Button Ripple Effect */
.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:active::before {
  width: 300px;
  height: 300px;
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--gradient-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  border: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  transform: translateY(-8px);
  background: var(--color-bg-card-hover);
  border-color: rgba(180, 255, 57, 0.2);
  box-shadow: var(--shadow-xl), 0 8px 32px rgba(180, 255, 57, 0.15);
}

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

/* Card with 3D Tilt Effect (applied via JS) */
.card-tilt {
  transform-style: preserve-3d;
  will-change: transform;
}

.card-tilt:hover {
  transform: translateY(-8px);
}

/* ============================================
   GRID SYSTEMS
   ============================================ */
.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));
}

/* ============================================
   ANIMATIONS & KEYFRAMES
   ============================================ */

/* Fade In */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* Slide Up */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Slide In From Left */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Slide In From Right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Float */
@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-10px);
  }
}

/* Pulse */
@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

/* Shimmer */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }

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

/* Rotate */
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

/* Glow Pulse */
@keyframes glowPulse {

  0%,
  100% {
    box-shadow: var(--shadow-md), 0 0 20px var(--color-primary-glow);
  }

  50% {
    box-shadow: var(--shadow-lg), 0 0 40px var(--color-primary-glow);
  }
}

/* Scale In */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ============================================
   ANIMATION UTILITY CLASSES
   ============================================ */
@keyframes buttonPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(180, 255, 57, 0.4);
  }

  70% {
    box-shadow: 0 0 0 20px rgba(180, 255, 57, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(180, 255, 57, 0);
  }
}

.pulse-animation {
  animation: buttonPulse 2s infinite;
}

.animate-on-scroll {
  opacity: 0;
}

.animate-on-scroll.animated {
  animation-duration: 0.6s;
  animation-fill-mode: both;
  animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in {
  animation-name: fadeIn;
}

.slide-up {
  animation-name: slideUp;
}

.slide-in-left {
  animation-name: slideInLeft;
}

.slide-in-right {
  animation-name: slideInRight;
}

.scale-in {
  animation-name: scaleIn;
}

/* Stagger delays for sequential animations */
.stagger-1 {
  animation-delay: 0.1s;
}

.stagger-2 {
  animation-delay: 0.2s;
}

.stagger-3 {
  animation-delay: 0.3s;
}

.stagger-4 {
  animation-delay: 0.4s;
}

.stagger-5 {
  animation-delay: 0.5s;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
    --space-3xl: 3rem;
    --space-2xl: 2.5rem;
  }

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

  .container {
    padding: 0 var(--space-sm);
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
  }

  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-base);
  }
}

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

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

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

.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);
}

.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);
}