/* Base */
body {
  font-family: 'Inter', sans-serif;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Scrolled Header Style */
header {
  transition: background-color 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}
header.scrolled {
  background-color: rgba(238, 242, 249, 0.82);  
  backdrop-filter: blur(7px);
  box-shadow: 0 4px 10px -2px rgba(0,0,0,0.15);
}
.dark header.scrolled {
  background-color: rgb(0 20 52 / 84%);
  box-shadow: 0 4px 10px -2px rgba(0,0,0,0.2);
}

/* Neuromorphic Shadows */
.neu-card {
  border-radius: 20px;
  transition: all 0.3s ease;
}

/* Light Mode Neuromorphism */
.neu-card {
  background: #eef2f9;
  box-shadow: 8px 8px 16px #d1d9e6, -8px -8px 16px #ffffff;
}
.neu-card:hover {
  box-shadow: 12px 12px 24px #d1d9e6, -12px -12px 24px #ffffff;
  transform: translateY(-4px);
}
.neu-button {
  border-radius: 12px;
  background: #eef2f9;
  box-shadow: 4px 4px 8px #d1d9e6, -4px -4px 8px #ffffff;
  transition: all 0.2s ease-out;
}
.neu-button:active {
  box-shadow: inset 4px 4px 8px #d1d9e6, inset -4px -4px 8px #ffffff;
}

/* Dark Mode Neuromorphism */
.dark .neu-card {
  background: #031a3f;
  box-shadow: 8px 8px 16px #000f27, -8px -8px 16px #14294fc2;
}
.dark .neu-card:hover {
  box-shadow: 12px 12px 24px #1a2433, -12px -12px 24px #222e43;
}
.dark .neu-button {
  background: #1e293b;
  box-shadow: 4px 4px 8px #1a2433, -4px -4px 8px #222e43;
}
.dark .neu-button:active {
  box-shadow: inset 4px 4px 8px #1a2433, inset -4px -4px 8px #222e43;
}

/* Hero gradient text */
.hero-gradient-text {
  background: -webkit-linear-gradient(45deg, #2dd4bf, #14b8a6, #0d9488);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Cursor glow */
#cursor-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: -1;
  background: radial-gradient(circle, rgba(0, 238, 255, 0.31), transparent 60%);
}