/* ==========================================================================
   OBELIX - Omni Blockchain Event & Ledger Intelligence eXplorer
   Design System & Main Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Color Palette - White / Light Infographic Theme */
  --bg-dark: #EDF2F4;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-card-hover: #FFFFFF;
  --bg-surface: #F8FAFC;
  --bg-surface-elevated: #FFFFFF;

  --accent-primary: #00A859;
  --accent-primary-hover: #008F4C;
  --accent-glow: rgba(0, 168, 89, 0.25);
  --accent-glow-subtle: rgba(0, 168, 89, 0.08);
  --accent-cyan: #0288D1;
  --accent-cyan-glow: rgba(2, 136, 209, 0.2);

  --border-color: rgba(0, 168, 89, 0.2);
  --border-highlight: rgba(0, 168, 89, 0.5);
  --border-subtle: rgba(0, 0, 0, 0.08);

  --text-main: #0F172A;
  --text-muted: #475569;
  --text-dark: #64748B;
  --text-neon: #00A859;

  /* Typography */
  --font-heading: 'Outfit', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-code: 'JetBrains Mono', monospace;

  /* Spacing & Layout */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-glow: 0 10px 30px rgba(0, 168, 89, 0.12);
  --shadow-card: 0 12px 35px rgba(15, 23, 42, 0.08);
}

/* Reset & Global Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
  position: relative;
  background: radial-gradient(circle at 50% 0%, #F5F8FA 0%, #E2E8F0 100%);
}

/* Canvas Background for Ambient Grid & Glowing Particles */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.35;
}

/* Utility Containers */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

.section {
  padding: 5rem 0;
  position: relative;
  z-index: 1;
}

/* Typography Helpers */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  line-height: 1.15;
  font-weight: 700;
}

.gradient-text {
  background: linear-gradient(135deg, #0F172A 0%, #00A859 60%, #0288D1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-green {
  background: linear-gradient(135deg, #00A859 0%, #007A40 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(0, 255, 135, 0.08);
  border: 1px solid var(--border-color);
  color: var(--accent-primary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  box-shadow: 0 0 15px rgba(0, 255, 135, 0.1);
}

.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-primary);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {

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

  50% {
    opacity: 0.4;
    transform: scale(1.4);
  }
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 3.25rem;
  }
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 700px;
  margin-bottom: 3rem;
}

/* Glassmorphism Card Base */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 135, 0.4), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), var(--shadow-glow);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, #00FF87 0%, #00C865 100%);
  color: #041009;
  box-shadow: 0 4px 20px rgba(0, 255, 135, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #26FF9B 0%, #00E575 100%);
  box-shadow: 0 6px 28px rgba(0, 255, 135, 0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(0, 255, 135, 0.1);
  border-color: var(--border-highlight);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 50%;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

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

/* Flex Utilities */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* Pulse Badge */
.pulse-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(0, 255, 135, 0.1);
  border: 1px solid rgba(0, 255, 135, 0.3);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
}

.pulse-badge .dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-primary);
  animation: pulse-dot 1.5s infinite;
}