/* Base CSS & Typography for HyperNova Technology */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.65rem; }
h2 { font-size: 1.95rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }

p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition-fast), transform var(--transition-fast);
}
a:hover {
  color: var(--accent-purple);
}

code, .font-mono {
  font-family: var(--font-mono);
}

/* Container & Grid Utilities */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ==========================================================================
   DYNAMIC MOTION & ANIMATIONS SUITE
   ========================================================================== */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 15px rgba(168, 85, 247, 0.2), inset 0 0 10px rgba(168, 85, 247, 0.1); }
  50% { box-shadow: 0 0 35px rgba(168, 85, 247, 0.45), inset 0 0 15px rgba(168, 85, 247, 0.25); }
}

@keyframes shimmerPass {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes haloPulse {
  0% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 0.3; }
  100% { transform: scale(1); opacity: 0.8; }
}

.animate-fade-in {
  animation: fadeIn 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-float {
  animation: floatSlow 4s ease-in-out infinite;
}

.animate-pulse-glow {
  animation: pulseGlow 3s ease-in-out infinite;
}

/* SVG Icon Helper */
.svg-icon {
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: inline-block;
  vertical-align: middle;
  transition: transform var(--transition-fast), stroke var(--transition-fast);
}